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raze-gles/source/build/src/polymost.cpp
Christoph Oelckers 61d2e31610 - fixed another bad merge
2019-09-20 09:44:58 +02:00

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/**************************************************************************************************
"POLYMOST" code originally written by Ken Silverman
Ken Silverman's official web site: http://www.advsys.net/ken
"POLYMOST2" changes Copyright (c) 2018, Alex Dawson
**************************************************************************************************/
#ifdef USE_OPENGL
#include "build.h"
#include "common.h"
#include "engine_priv.h"
#include "kplib.h"
#include "mdsprite.h"
#include "polymost.h"
#include "../../glbackend/glbackend.h"
extern char textfont[2048], smalltextfont[2048];
bool playing_rr;
bool playing_blood;
int32_t rendmode=0;
int32_t usemodels=1;
int32_t usehightile=1;
typedef struct { float x, cy[2], fy[2]; int32_t tag; int16_t n, p, ctag, ftag; } vsptyp;
#define VSPMAX 2048 //<- careful!
static vsptyp vsp[VSPMAX];
static int32_t gtag;
static float xbl, xbr, xbt, xbb;
int32_t domost_rejectcount;
#ifdef YAX_ENABLE
typedef struct { float x, cy[2]; int32_t tag; int16_t n, p, ctag; } yax_vsptyp;
static yax_vsptyp yax_vsp[YAX_MAXBUNCHES*2][VSPMAX];
typedef struct { float x0, x1, cy[2], fy[2]; } yax_hole_t;
static yax_hole_t yax_holecf[2][VSPMAX];
static int32_t yax_holencf[2];
static int32_t yax_drawcf = -1;
#endif
static float dxb1[MAXWALLSB], dxb2[MAXWALLSB];
#define SCISDIST 1.0f //1.0: Close plane clipping distance
#define SOFTROTMAT 0
float shadescale = 1.0f;
int32_t shadescale_unbounded = 0;
int32_t r_enablepolymost2 = 0;
int32_t r_pogoDebug = 0;
int32_t r_usenewshading = 4;
int32_t r_npotwallmode = 2;
int32_t polymostcenterhoriz = 100;
static float gviewxrange;
static float ghoriz, ghoriz2;
static float ghorizcorrect;
double gxyaspect;
float gyxscale, ghalfx, grhalfxdown10, grhalfxdown10x, ghalfy;
float gcosang, gsinang, gcosang2, gsinang2;
float gchang, gshang, gctang, gstang, gvisibility;
float gtang = 0.f;
static vec3d_t xtex, ytex, otex, xtex2, ytex2, otex2;
float fcosglobalang, fsinglobalang;
float fxdim, fydim, fydimen, fviewingrange;
static int32_t preview_mouseaim=1; // when 1, displays a CROSSHAIR tsprite at the _real_ aimed position
static int32_t drawpoly_srepeat = 0, drawpoly_trepeat = 0;
#define MAX_DRAWPOLY_VERTS 8
struct glfiltermodes glfiltermodes[NUMGLFILTERMODES] =
{
{"GL_NEAREST",GL_NEAREST,GL_NEAREST},
{"GL_LINEAR",GL_LINEAR,GL_LINEAR},
{"GL_NEAREST_MIPMAP_NEAREST",GL_NEAREST_MIPMAP_NEAREST,GL_NEAREST},
{"GL_LINEAR_MIPMAP_NEAREST",GL_LINEAR_MIPMAP_NEAREST,GL_LINEAR},
{"GL_NEAREST_MIPMAP_LINEAR",GL_NEAREST_MIPMAP_LINEAR,GL_NEAREST},
{"GL_LINEAR_MIPMAP_LINEAR",GL_LINEAR_MIPMAP_LINEAR,GL_LINEAR}
};
int32_t glanisotropy = 0; // 0 = maximum supported by card
int32_t gltexfiltermode = TEXFILTER_OFF;
int32_t r_polygonmode = 0; // 0:GL_FILL,1:GL_LINE,2:GL_POINT //FUK
static int32_t lastglpolygonmode = 0; //FUK
#ifdef USE_GLEXT
int32_t glmultisample = 0, glnvmultisamplehint = 0;
int32_t r_detailmapping = 1;
int32_t r_glowmapping = 1;
#endif
int32_t gltexmaxsize = 0; // 0 means autodetection on first run
int32_t gltexmiplevel = 0; // discards this many mipmap levels
int32_t glprojectionhacks = 1;
static FHardwareTexture *polymosttext = 0;
int32_t glrendmode = REND_POLYMOST;
int32_t r_shadeinterpolate = 1;
// This variable, and 'shadeforfullbrightpass' control the drawing of
// fullbright tiles. Also see 'fullbrightloadingpass'.
int32_t r_fullbrights = 1;
#ifdef USE_GLEXT
//POGOTODO: we no longer support rendering without VBOs -- update any outdated pre-GL2 code that renders without VBOs
int32_t r_vbocount = 64;
#endif
int32_t r_animsmoothing = 1;
int32_t r_downsize = 0;
int32_t r_downsizevar = -1;
int32_t r_brightnesshack = 0;
int32_t r_rortexture = 0;
int32_t r_rortexturerange = 0;
int32_t r_rorphase = 0;
int32_t r_yshearing = 0;
// used for fogcalc
static float fogresult, fogresult2;
coltypef fogcol, fogtable[MAXPALOOKUPS];
static uint32_t currentShaderProgramID = 0;
static GLenum currentActiveTexture = 0;
static uint32_t currentTextureID = 0;
static GLuint quadVertsID = 0;
static GLuint polymost2BasicShaderProgramID = 0;
static GLint texSamplerLoc = -1;
static GLint fullBrightSamplerLoc = -1;
static GLint projMatrixLoc = -1;
static GLint mvMatrixLoc = -1;
static GLint texOffsetLoc = -1;
static GLint texScaleLoc = -1;
static GLint tintLoc = -1;
static GLint alphaLoc = -1;
static GLint fogRangeLoc = -1;
static GLint fogColorLoc = -1;
#define PALSWAP_TEXTURE_SIZE 2048
int32_t r_useindexedcolortextures = -1;
static GLint tilesheetSize = 0;
static vec2f_t tilesheetHalfTexelSize = { 0.f, 0.f };
static int32_t lastbasepal = -1;
static FHardwareTexture *paletteTextureIDs[MAXBASEPALS];
static FHardwareTexture *palswapTextureID = nullptr;
static GLuint polymost1CurrentShaderProgramID = 0;
static GLuint polymost1BasicShaderProgramID = 0;
static GLuint polymost1ExtendedShaderProgramID = 0;
static GLint polymost1TexSamplerLoc = -1;
static GLint polymost1PalSwapSamplerLoc = -1;
static GLint polymost1PaletteSamplerLoc = -1;
static GLint polymost1DetailSamplerLoc = -1;
static GLint polymost1GlowSamplerLoc = -1;
static GLint polymost1TexturePosSizeLoc = -1;
static vec4f_t polymost1TexturePosSize = { 0.f, 0.f, 1.f, 1.f };
static GLint polymost1HalfTexelSizeLoc = -1;
static vec2f_t polymost1HalfTexelSize = { 0.f, 0.f };
static GLint polymost1PalswapPosLoc = -1;
static vec2f_t polymost1PalswapPos = { 0.f, 0.f };
static GLint polymost1PalswapSizeLoc = -1;
static vec2f_t polymost1PalswapSize = { 0.f, 0.f };
static vec2f_t polymost1PalswapInnerSize = { 0.f, 0.f };
static GLint polymost1ShadeLoc = -1;
static float polymost1Shade = 0.f;
static GLint polymost1NumShadesLoc = -1;
static float polymost1NumShades = 64.f;
static GLint polymost1VisFactorLoc = -1;
static float polymost1VisFactor = 128.f;
static GLint polymost1FogEnabledLoc = -1;
static float polymost1FogEnabled = 1.f;
static GLint polymost1UseColorOnlyLoc = -1;
static float polymost1UseColorOnly = 0.f;
static GLint polymost1UsePaletteLoc = -1;
static float polymost1UsePalette = 1.f;
static GLint polymost1UseDetailMappingLoc = -1;
static float polymost1UseDetailMapping = 0.f;
static GLint polymost1UseGlowMappingLoc = -1;
static float polymost1UseGlowMapping = 0.f;
static GLint polymost1NPOTEmulationLoc = -1;
static float polymost1NPOTEmulation = 0.f;
static GLint polymost1NPOTEmulationFactorLoc = -1;
static float polymost1NPOTEmulationFactor = 1.f;
static GLint polymost1NPOTEmulationXOffsetLoc = -1;
static float polymost1NPOTEmulationXOffset = 0.f;
static GLint polymost1BrightnessLoc = -1;
static float polymost1Brightness = 1.f;
static GLint polymost1RotMatrixLoc = -1;
static float polymost1RotMatrix[16] = { 1.f, 0.f, 0.f, 0.f,
0.f, 1.f, 0.f, 0.f,
0.f, 0.f, 1.f, 0.f,
0.f, 0.f, 0.f, 1.f };
static GLint polymost1ShadeInterpolateLoc = -1;
static float polymost1ShadeInterpolate = 1.f;
static inline float float_trans(uint32_t maskprops, uint8_t blend)
{
switch (maskprops)
{
case DAMETH_TRANS1:
case DAMETH_TRANS2:
return glblend[blend].def[maskprops-2].alpha;
default:
return 1.0f;
}
}
char ptempbuf[MAXWALLSB<<1];
// polymost ART sky control
int32_t r_parallaxskyclamping = 1;
int32_t r_parallaxskypanning = 1;
#define MIN_CACHETIME_PRINT 10
#define Bfabsf fabsf
int32_t mdtims, omdtims;
uint8_t alphahackarray[MAXTILES];
int32_t drawingskybox = 0;
int32_t hicprecaching = 0;
hitdata_t polymost_hitdata;
void gltexinvalidate(int32_t dapicnum, int32_t dapalnum, int32_t dameth)
{
const int32_t pic = (dapicnum&(GLTEXCACHEADSIZ-1));
for (pthtyp *pth=texcache.list[pic]; pth; pth=pth->next)
if (pth->picnum == dapicnum && pth->palnum == dapalnum &&
(pth->flags & PTH_CLAMPED) == TO_PTH_CLAMPED(dameth))
{
pth->flags |= PTH_INVALIDATED;
if (pth->flags & PTH_HASFULLBRIGHT)
pth->ofb->flags |= PTH_INVALIDATED;
}
}
//Make all textures "dirty" so they reload, but not re-allocate
//This should be much faster than polymost_glreset()
//Use this for palette effects ... but not ones that change every frame!
void gltexinvalidatetype(int32_t type)
{
for (bssize_t j=0; j<=GLTEXCACHEADSIZ-1; j++)
{
for (pthtyp *pth=texcache.list[j]; pth; pth=pth->next)
{
if (type == INVALIDATE_ALL ||
(type == INVALIDATE_ALL_NON_INDEXED && !(pth->flags & PTH_INDEXED)) ||
(type == INVALIDATE_ART && pth->hicr == NULL) ||
(type == INVALIDATE_ART_NON_INDEXED && pth->hicr == NULL && !(pth->flags & PTH_INDEXED)))
{
pth->flags |= PTH_INVALIDATED;
if (pth->flags & PTH_HASFULLBRIGHT)
pth->ofb->flags |= PTH_INVALIDATED;
}
}
}
clearskins(type);
#ifdef DEBUGGINGAIDS
OSD_Printf("gltexinvalidateall()\n");
#endif
}
void gltexapplyprops(void)
{
if (videoGetRenderMode() == REND_CLASSIC)
return;
if (glinfo.maxanisotropy > 1.f)
{
if (glanisotropy <= 0 || glanisotropy > glinfo.maxanisotropy)
glanisotropy = (int32_t)glinfo.maxanisotropy;
}
GLInterface.mSamplers->SetTextureFilterMode(gltexfiltermode, glanisotropy);
gltexfiltermode = clamp(gltexfiltermode, 0, NUMGLFILTERMODES-1);
r_useindexedcolortextures = !gltexfiltermode;
}
//--------------------------------------------------------------------------------------------------
float glox1, gloy1, glox2, gloy2, gloyxscale, gloxyaspect, glohoriz2, glohorizcorrect, glotang;
//Use this for both initialization and uninitialization of OpenGL.
static int32_t gltexcacnum = -1;
//in-place multiply m0=m0*m1
static float* multiplyMatrix4f(float m0[4*4], const float m1[4*4])
{
float mR[4*4];
#define multMatrix4RowCol(r, c) mR[r*4+c] = m0[r*4]*m1[c] + m0[r*4+1]*m1[c+4] + m0[r*4+2]*m1[c+8] + m0[r*4+3]*m1[c+12]
multMatrix4RowCol(0, 0);
multMatrix4RowCol(0, 1);
multMatrix4RowCol(0, 2);
multMatrix4RowCol(0, 3);
multMatrix4RowCol(1, 0);
multMatrix4RowCol(1, 1);
multMatrix4RowCol(1, 2);
multMatrix4RowCol(1, 3);
multMatrix4RowCol(2, 0);
multMatrix4RowCol(2, 1);
multMatrix4RowCol(2, 2);
multMatrix4RowCol(2, 3);
multMatrix4RowCol(3, 0);
multMatrix4RowCol(3, 1);
multMatrix4RowCol(3, 2);
multMatrix4RowCol(3, 3);
Bmemcpy(m0, mR, sizeof(float)*4*4);
return m0;
#undef multMatrix4RowCol
}
static void calcmat(vec3f_t a0, const vec2f_t *offset, float f, float mat[16], int16_t angle)
{
float g;
float k0, k1, k2, k3, k4, k5, k6, k7;
k0 = a0.y;
k1 = a0.x;
a0.x += offset->x;
a0.z += offset->y;
f = gcosang2*gshang;
g = gsinang2*gshang;
k4 = (float)sintable[(angle+1024)&2047] * (1.f/16384.f);
k5 = (float)sintable[(angle+512)&2047] * (1.f/16384.f);
k2 = k0*(1-k4)+k1*k5;
k3 = k1*(1-k4)-k0*k5;
k6 = f*gstang - gsinang*gctang; k7 = g*gstang + gcosang*gctang;
mat[0] = k4*k6 + k5*k7; mat[4] = gchang*gstang; mat[ 8] = k4*k7 - k5*k6; mat[12] = k2*k6 + k3*k7;
k6 = f*gctang + gsinang*gstang; k7 = g*gctang - gcosang*gstang;
mat[1] = k4*k6 + k5*k7; mat[5] = gchang*gctang; mat[ 9] = k4*k7 - k5*k6; mat[13] = k2*k6 + k3*k7;
k6 = gcosang2*gchang; k7 = gsinang2*gchang;
mat[2] = k4*k6 + k5*k7; mat[6] =-gshang; mat[10] = k4*k7 - k5*k6; mat[14] = k2*k6 + k3*k7;
mat[12] = (mat[12] + a0.y*mat[0]) + (a0.z*mat[4] + a0.x*mat[ 8]);
mat[13] = (mat[13] + a0.y*mat[1]) + (a0.z*mat[5] + a0.x*mat[ 9]);
mat[14] = (mat[14] + a0.y*mat[2]) + (a0.z*mat[6] + a0.x*mat[10]);
}
static GLuint polymost2_compileShader(GLenum shaderType, const char* const source)
{
GLuint shaderID = glCreateShader(shaderType);
if (shaderID == 0)
{
return 0;
}
const char* const sources[1] = {source};
glShaderSource(shaderID,
1,
sources,
NULL);
glCompileShader(shaderID);
GLint compileStatus;
glGetShaderiv(shaderID, GL_COMPILE_STATUS, &compileStatus);
if (!compileStatus)
{
GLint logLength;
glGetShaderiv(shaderID, GL_INFO_LOG_LENGTH, &logLength);
OSD_Printf("Compile Status: %u\n", compileStatus);
if (logLength > 0)
{
char *infoLog = (char*)Xmalloc(logLength);
glGetShaderInfoLog(shaderID, logLength, &logLength, infoLog);
OSD_Printf("Log:\n%s\n", infoLog);
free(infoLog);
}
}
return shaderID;
}
void polymost_glreset()
{
for (bssize_t i=0; i<=MAXPALOOKUPS-1; i++)
{
fogtable[i].r = palookupfog[i].r * (1.f/255.f);
fogtable[i].g = palookupfog[i].g * (1.f/255.f);
fogtable[i].b = palookupfog[i].b * (1.f/255.f);
fogtable[i].a = 0;
}
//Reset if this is -1 (meaning 1st texture call ever), or > 0 (textures in memory)
if (gltexcacnum < 0)
{
gltexcacnum = 0;
//Hack for polymost_dorotatesprite calls before 1st polymost_drawrooms()
gcosang = gcosang2 = 16384.f/262144.f;
gsinang = gsinang2 = 0.f;
}
else
{
for (bssize_t i = 0; i <= GLTEXCACHEADSIZ-1; i++)
{
for (pthtyp *pth = texcache.list[i]; pth;)
{
pthtyp *const next = pth->next;
if (pth->flags & PTH_HASFULLBRIGHT)
{
delete pth->ofb->glpic;
Bfree(pth->ofb);
}
delete pth->glpic;
Bfree(pth);
pth = next;
}
texcache.list[i] = NULL;
}
clearskins(INVALIDATE_ALL);
}
if (polymosttext)
delete polymosttext;
polymosttext=nullptr;
Bmemset(texcache.list,0,sizeof(texcache.list));
glox1 = -1;
#ifdef DEBUGGINGAIDS
OSD_Printf("polymost_glreset()\n");
#endif
}
#if defined EDUKE32_GLES
static void Polymost_DetermineTextureFormatSupport(void);
#endif
// reset vertex pointers to polymost default
void polymost_resetVertexPointers()
{
polymost_resetProgram();
}
void polymost_disableProgram()
{
if (videoGetRenderMode() != REND_POLYMOST)
return;
useShaderProgram(0);
}
void polymost_resetProgram()
{
if (videoGetRenderMode() != REND_POLYMOST)
return;
if (r_enablepolymost2)
useShaderProgram(polymost2BasicShaderProgramID);
else
useShaderProgram(polymost1CurrentShaderProgramID);
// ensure that palswapTexture and paletteTexture[curbasepal] is bound
GLInterface.BindTexture(1, palswapTextureID);
GLInterface.BindTexture(2, paletteTextureIDs[curbasepal]);
}
static void polymost_setCurrentShaderProgram(uint32_t programID)
{
polymost1CurrentShaderProgramID = programID;
useShaderProgram(programID);
//update the uniform locations
polymost1TexSamplerLoc = glGetUniformLocation(polymost1CurrentShaderProgramID, "s_texture");
polymost1PalSwapSamplerLoc = glGetUniformLocation(polymost1CurrentShaderProgramID, "s_palswap");
polymost1PaletteSamplerLoc = glGetUniformLocation(polymost1CurrentShaderProgramID, "s_palette");
polymost1DetailSamplerLoc = glGetUniformLocation(polymost1CurrentShaderProgramID, "s_detail");
polymost1GlowSamplerLoc = glGetUniformLocation(polymost1CurrentShaderProgramID, "s_glow");
polymost1TexturePosSizeLoc = glGetUniformLocation(polymost1CurrentShaderProgramID, "u_texturePosSize");
polymost1HalfTexelSizeLoc = glGetUniformLocation(polymost1CurrentShaderProgramID, "u_halfTexelSize");
polymost1PalswapPosLoc = glGetUniformLocation(polymost1CurrentShaderProgramID, "u_palswapPos");
polymost1PalswapSizeLoc = glGetUniformLocation(polymost1CurrentShaderProgramID, "u_palswapSize");
polymost1ShadeLoc = glGetUniformLocation(polymost1CurrentShaderProgramID, "u_shade");
polymost1NumShadesLoc = glGetUniformLocation(polymost1CurrentShaderProgramID, "u_numShades");
polymost1VisFactorLoc = glGetUniformLocation(polymost1CurrentShaderProgramID, "u_visFactor");
polymost1FogEnabledLoc = glGetUniformLocation(polymost1CurrentShaderProgramID, "u_fogEnabled");
polymost1UsePaletteLoc = glGetUniformLocation(polymost1CurrentShaderProgramID, "u_usePalette");
polymost1UseColorOnlyLoc = glGetUniformLocation(polymost1CurrentShaderProgramID, "u_useColorOnly");
polymost1UseDetailMappingLoc = glGetUniformLocation(polymost1CurrentShaderProgramID, "u_useDetailMapping");
polymost1UseGlowMappingLoc = glGetUniformLocation(polymost1CurrentShaderProgramID, "u_useGlowMapping");
polymost1NPOTEmulationLoc = glGetUniformLocation(polymost1CurrentShaderProgramID, "u_npotEmulation");
polymost1NPOTEmulationFactorLoc = glGetUniformLocation(polymost1CurrentShaderProgramID, "u_npotEmulationFactor");
polymost1NPOTEmulationXOffsetLoc = glGetUniformLocation(polymost1CurrentShaderProgramID, "u_npotEmulationXOffset");
polymost1BrightnessLoc = glGetUniformLocation(polymost1CurrentShaderProgramID, "u_brightness");
polymost1RotMatrixLoc = glGetUniformLocation(polymost1CurrentShaderProgramID, "u_rotMatrix");
polymost1ShadeInterpolateLoc = glGetUniformLocation(polymost1CurrentShaderProgramID, "u_shadeInterpolate");
//set the uniforms to the current values
glUniform4f(polymost1TexturePosSizeLoc, polymost1TexturePosSize.x, polymost1TexturePosSize.y, polymost1TexturePosSize.z, polymost1TexturePosSize.w);
glUniform2f(polymost1HalfTexelSizeLoc, polymost1HalfTexelSize.x, polymost1HalfTexelSize.y);
glUniform2f(polymost1PalswapPosLoc, polymost1PalswapPos.x, polymost1PalswapPos.y);
glUniform2f(polymost1PalswapSizeLoc, polymost1PalswapInnerSize.x, polymost1PalswapInnerSize.y);
glUniform1f(polymost1ShadeLoc, polymost1Shade);
glUniform1f(polymost1NumShadesLoc, polymost1NumShades);
glUniform1f(polymost1VisFactorLoc, polymost1VisFactor);
glUniform1f(polymost1FogEnabledLoc, polymost1FogEnabled);
glUniform1f(polymost1UseColorOnlyLoc, polymost1UseColorOnly);
glUniform1f(polymost1UsePaletteLoc, polymost1UsePalette);
glUniform1f(polymost1UseDetailMappingLoc, polymost1UseDetailMapping);
glUniform1f(polymost1UseGlowMappingLoc, polymost1UseGlowMapping);
glUniform1f(polymost1NPOTEmulationLoc, polymost1NPOTEmulation);
glUniform1f(polymost1NPOTEmulationFactorLoc, polymost1NPOTEmulationFactor);
glUniform1f(polymost1NPOTEmulationXOffsetLoc, polymost1NPOTEmulationXOffset);
glUniform1f(polymost1BrightnessLoc, polymost1Brightness);
glUniformMatrix4fv(polymost1RotMatrixLoc, 1, false, polymost1RotMatrix);
glUniform1f(polymost1ShadeInterpolateLoc, polymost1ShadeInterpolate);
}
void polymost_setTexturePosSize(vec4f_t const &texturePosSize)
{
if (currentShaderProgramID != polymost1CurrentShaderProgramID)
return;
polymost1TexturePosSize = texturePosSize;
glUniform4f(polymost1TexturePosSizeLoc, polymost1TexturePosSize.x, polymost1TexturePosSize.y, polymost1TexturePosSize.z, polymost1TexturePosSize.w);
}
static inline void polymost_setHalfTexelSize(vec2f_t const &halfTexelSize)
{
if (currentShaderProgramID != polymost1CurrentShaderProgramID)
return;
polymost1HalfTexelSize = halfTexelSize;
glUniform2f(polymost1HalfTexelSizeLoc, polymost1HalfTexelSize.x, polymost1HalfTexelSize.y);
}
static void polymost_setPalswap(uint32_t index)
{
static uint32_t lastPalswapIndex;
if (currentShaderProgramID != polymost1CurrentShaderProgramID)
return;
lastPalswapIndex = index;
polymost1PalswapPos.x = index*polymost1PalswapSize.x;
polymost1PalswapPos.y = floorf(polymost1PalswapPos.x);
polymost1PalswapPos = { polymost1PalswapPos.x - polymost1PalswapPos.y + (0.5f/PALSWAP_TEXTURE_SIZE),
polymost1PalswapPos.y * polymost1PalswapSize.y + (0.5f/PALSWAP_TEXTURE_SIZE) };
glUniform2f(polymost1PalswapPosLoc, polymost1PalswapPos.x, polymost1PalswapPos.y);
}
static void polymost_setPalswapSize(uint32_t width, uint32_t height)
{
if (currentShaderProgramID != polymost1CurrentShaderProgramID)
return;
polymost1PalswapSize = { width*(1.f/PALSWAP_TEXTURE_SIZE),
height*(1.f/PALSWAP_TEXTURE_SIZE) };
polymost1PalswapInnerSize = { (width-1)*(1.f/PALSWAP_TEXTURE_SIZE),
(height-1)*(1.f/PALSWAP_TEXTURE_SIZE) };
glUniform2f(polymost1PalswapSizeLoc, polymost1PalswapInnerSize.x, polymost1PalswapInnerSize.y);
}
static void polymost_setShade(int32_t shade)
{
if (currentShaderProgramID != polymost1CurrentShaderProgramID)
return;
if (globalflags & GLOBAL_NO_GL_TILESHADES)
shade = 0;
static int32_t lastShade;
static int32_t lastNumShades;
if (shade != lastShade)
{
lastShade = shade;
polymost1Shade = shade;
glUniform1f(polymost1ShadeLoc, polymost1Shade);
}
if (numshades != lastNumShades)
{
lastNumShades = numshades;
polymost1NumShades = numshades;
glUniform1f(polymost1NumShadesLoc, polymost1NumShades);
}
}
static void polymost_setVisibility(float visibility)
{
if (currentShaderProgramID != polymost1CurrentShaderProgramID)
return;
polymost1VisFactor = visibility * fviewingrange * (1.f / (64.f * 65536.f));
glUniform1f(polymost1VisFactorLoc, polymost1VisFactor);
}
void polymost_setFogEnabled(char fogEnabled)
{
if (currentShaderProgramID != polymost1CurrentShaderProgramID)
return;
polymost1FogEnabled = fogEnabled;
glUniform1f(polymost1FogEnabledLoc, polymost1FogEnabled);
}
void polymost_useColorOnly(char useColorOnly)
{
if (currentShaderProgramID != polymost1CurrentShaderProgramID)
return;
polymost1UseColorOnly = useColorOnly;
glUniform1f(polymost1UseColorOnlyLoc, polymost1UseColorOnly);
}
void polymost_usePaletteIndexing(char usePaletteIndexing)
{
if (currentShaderProgramID != polymost1CurrentShaderProgramID)
return;
polymost1UsePalette = usePaletteIndexing;
glUniform1f(polymost1UsePaletteLoc, polymost1UsePalette);
}
void polymost_useDetailMapping(char useDetailMapping)
{
if (currentShaderProgramID != polymost1CurrentShaderProgramID || useDetailMapping == polymost1UseDetailMapping)
return;
if (useDetailMapping)
polymost_setCurrentShaderProgram(polymost1ExtendedShaderProgramID);
polymost1UseDetailMapping = useDetailMapping;
glUniform1f(polymost1UseDetailMappingLoc, polymost1UseDetailMapping);
}
void polymost_useGlowMapping(char useGlowMapping)
{
if (currentShaderProgramID != polymost1CurrentShaderProgramID || useGlowMapping == polymost1UseGlowMapping)
return;
if (useGlowMapping)
polymost_setCurrentShaderProgram(polymost1ExtendedShaderProgramID);
polymost1UseGlowMapping = useGlowMapping;
glUniform1f(polymost1UseGlowMappingLoc, polymost1UseGlowMapping);
}
void polymost_npotEmulation(char npotEmulation, float factor, float xOffset)
{
if (currentShaderProgramID != polymost1CurrentShaderProgramID || npotEmulation == polymost1NPOTEmulation)
return;
polymost1NPOTEmulation = npotEmulation;
glUniform1f(polymost1NPOTEmulationLoc, polymost1NPOTEmulation);
polymost1NPOTEmulationFactor = factor;
glUniform1f(polymost1NPOTEmulationFactorLoc, polymost1NPOTEmulationFactor);
polymost1NPOTEmulationXOffset = xOffset;
glUniform1f(polymost1NPOTEmulationXOffsetLoc, polymost1NPOTEmulationXOffset);
}
void polymost_shadeInterpolate(int32_t shadeInterpolate)
{
if (currentShaderProgramID == polymost1CurrentShaderProgramID)
{
polymost1ShadeInterpolate = shadeInterpolate;
glUniform1f(polymost1ShadeInterpolateLoc, polymost1ShadeInterpolate);
}
}
void polymost_setBrightness(int brightness){
if (currentShaderProgramID == polymost1CurrentShaderProgramID)
{
polymost1Brightness = 8.f / (brightness+8.f);
glUniform1f(polymost1BrightnessLoc, polymost1Brightness);
}
}
static void polymost_bindPth(pthtyp const * const pPth, int sampler)
{
Bassert(pPth);
vec4f_t texturePosSize = { 0.f, 0.f, 1.f, 1.f };
vec2f_t halfTexelSize = { 0.f, 0.f };
polymost_setTexturePosSize(texturePosSize);
polymost_setHalfTexelSize(halfTexelSize);
GLInterface.BindTexture(0, pPth->glpic, sampler);
}
void useShaderProgram(uint32_t shaderID)
{
glUseProgram(shaderID);
currentShaderProgramID = shaderID;
}
// one-time initialization of OpenGL for polymost
void polymost_glinit()
{
glEnable(GL_TEXTURE_2D);
glHint(GL_FOG_HINT, GL_NICEST);
glFogi(GL_FOG_MODE, (r_usenewshading < 2) ? GL_EXP2 : GL_LINEAR);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glPixelStorei(GL_PACK_ALIGNMENT, 1);
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
//glHint(GL_LINE_SMOOTH_HINT, GL_NICEST);
//glEnable(GL_LINE_SMOOTH);
globalflags |= GLOBAL_NO_GL_TILESHADES; // This re-enables the old fading logic without re-adding the r_usetileshades variable. The entire thing will have to be done on a more abstract level anyway.
GLInterface.Init();
GLInterface.mSamplers->SetTextureFilterMode(gltexfiltermode, glanisotropy);
#ifdef USE_GLEXT
if (glmultisample > 0 && glinfo.multisample)
{
if (glinfo.nvmultisamplehint)
glHint(GL_MULTISAMPLE_FILTER_HINT_NV, glnvmultisamplehint ? GL_NICEST:GL_FASTEST);
glEnable(GL_MULTISAMPLE);
}
#endif
currentTextureID = 0;
glGetIntegerv(GL_MAX_TEXTURE_SIZE, &tilesheetSize);
tilesheetHalfTexelSize = { 0.5f/tilesheetSize, 0.5f/tilesheetSize };
vec2_t maxTexDimensions = { tilesheetSize, tilesheetSize };
char allPacked = false;
const char* const POLYMOST2_BASIC_VERTEX_SHADER_CODE =
"#version 110\n\
\n\
// input\n\
attribute vec3 i_vertPos;\n\
attribute vec2 i_texCoord;\n\
uniform mat4 u_mvMatrix;\n\
uniform mat4 u_projMatrix;\n\
uniform vec2 u_texOffset;\n\
uniform vec2 u_texScale;\n\
\n\
// output\n\
varying vec2 v_texCoord;\n\
varying float v_distance;\n\
\n\
void main()\n\
{\n\
vec4 eyeCoordPosition = u_mvMatrix * vec4(i_vertPos, 1.0);\n\
gl_Position = u_projMatrix * eyeCoordPosition;\n\
\n\
eyeCoordPosition.xyz /= eyeCoordPosition.w;\n\
\n\
v_texCoord = i_texCoord * u_texScale + u_texOffset;\n\
v_distance = eyeCoordPosition.z;\n\
}\n";
const char* const POLYMOST2_BASIC_FRAGMENT_SHADER_CODE =
"#version 110\n\
\n\
varying vec2 v_texCoord;\n\
uniform sampler2D s_texture;\n\
uniform sampler2D s_fullBright;\n\
\n\
uniform vec4 u_tint;\n\
uniform float u_alpha;\n\
\n\
varying float v_distance;\n\
uniform vec2 u_fogRange;\n\
uniform vec4 u_fogColor;\n\
\n\
const float c_zero = 0.0;\n\
const float c_one = 1.0;\n\
\n\
void main()\n\
{\n\
vec4 color = texture2D(s_texture, v_texCoord);\n\
vec4 fullBrightColor = texture2D(s_fullBright, v_texCoord);\n\
\n\
float fogFactor = clamp((u_fogRange.y-v_distance)/(u_fogRange.y-u_fogRange.x), c_zero, c_one);\n\
\n\
color.rgb = mix(u_fogColor.rgb, color.rgb, fogFactor);\n\
color.rgb *= u_tint.rgb * u_tint.a * color.a;\n\
color.rgb = mix(color.rgb, fullBrightColor.rgb, fullBrightColor.a);\n\
\n\
color.a *= u_alpha;\n\
\n\
gl_FragColor = color;\n\
}\n";
polymost2BasicShaderProgramID = glCreateProgram();
GLuint polymost2BasicVertexShaderID = polymost2_compileShader(GL_VERTEX_SHADER, POLYMOST2_BASIC_VERTEX_SHADER_CODE);
GLuint polymost2BasicFragmentShaderID = polymost2_compileShader(GL_FRAGMENT_SHADER, POLYMOST2_BASIC_FRAGMENT_SHADER_CODE);
glBindAttribLocation(polymost2BasicShaderProgramID, 0, "i_vertPos");
glBindAttribLocation(polymost2BasicShaderProgramID, 1, "i_texCoord");
glAttachShader(polymost2BasicShaderProgramID, polymost2BasicVertexShaderID);
glAttachShader(polymost2BasicShaderProgramID, polymost2BasicFragmentShaderID);
glLinkProgram(polymost2BasicShaderProgramID);
// Get the attribute/uniform locations
texSamplerLoc = glGetUniformLocation(polymost2BasicShaderProgramID, "s_texture");
fullBrightSamplerLoc = glGetUniformLocation(polymost2BasicShaderProgramID, "s_fullBright");
projMatrixLoc = glGetUniformLocation(polymost2BasicShaderProgramID, "u_projMatrix");
mvMatrixLoc = glGetUniformLocation(polymost2BasicShaderProgramID, "u_mvMatrix");
texOffsetLoc = glGetUniformLocation(polymost2BasicShaderProgramID, "u_texOffset");
texScaleLoc = glGetUniformLocation(polymost2BasicShaderProgramID, "u_texScale");
tintLoc = glGetUniformLocation(polymost2BasicShaderProgramID, "u_tint");
alphaLoc = glGetUniformLocation(polymost2BasicShaderProgramID, "u_alpha");
fogRangeLoc = glGetUniformLocation(polymost2BasicShaderProgramID, "u_fogRange");
fogColorLoc = glGetUniformLocation(polymost2BasicShaderProgramID, "u_fogColor");
const char* const POLYMOST1_BASIC_VERTEX_SHADER_CODE =
"#version 110\n\
\n\
varying vec4 v_color;\n\
varying float v_distance;\n\
\n\
//u_texturePosSize is the texture position & size packaged into a single vec4 as {pos.x, pos.y, size.x, size.y}\n\
uniform vec4 u_texturePosSize;\n\
uniform float u_usePalette;\n\
uniform mat4 u_rotMatrix;\n\
\n\
const float c_zero = 0.0;\n\
const float c_one = 1.0;\n\
\n\
void main()\n\
{\n\
vec4 vertex = u_rotMatrix * gl_Vertex;\n\
vec4 eyeCoordPosition = gl_ModelViewMatrix * vertex;\n\
gl_Position = gl_ModelViewProjectionMatrix * vertex;\n\
\n\
eyeCoordPosition.xyz /= eyeCoordPosition.w;\n\
\n\
gl_TexCoord[0] = gl_TextureMatrix[0] * gl_MultiTexCoord0;\n\
gl_TexCoord[0] = mix(gl_TexCoord[0].xyzw, gl_TexCoord[0].yxzw, u_usePalette);\n\
\n\
gl_TexCoord[3] = gl_TextureMatrix[3] * gl_MultiTexCoord3;\n\
gl_TexCoord[4] = gl_TextureMatrix[4] * gl_MultiTexCoord4;\n\
\n\
gl_FogFragCoord = abs(eyeCoordPosition.z);\n\
//gl_FogFragCoord = clamp((gl_Fog.end-abs(eyeCoordPosition.z))*gl_Fog.scale, c_zero, c_one);\n\
\n\
v_color = gl_Color;\n\
v_distance = gl_Vertex.z;\n\
}\n";
const char* const POLYMOST1_BASIC_FRAGMENT_SHADER_CODE =
"#version 110\n\
\n\
//s_texture points to an indexed color texture\n\
uniform sampler2D s_texture;\n\
//s_palswap is the palette swap texture where u is the color index and v is the shade\n\
uniform sampler2D s_palswap;\n\
//s_palette is the base palette texture where u is the color index\n\
uniform sampler2D s_palette;\n\
\n\
//u_texturePosSize is the texture position & size packaged into a single vec4 as {pos.x, pos.y, size.x, size.y}\n\
uniform vec4 u_texturePosSize;\n\
uniform vec2 u_halfTexelSize;\n\
uniform vec2 u_palswapPos;\n\
uniform vec2 u_palswapSize;\n\
\n\
uniform float u_shade;\n\
uniform float u_numShades;\n\
uniform float u_visFactor;\n\
uniform float u_fogEnabled;\n\
\n\
uniform float u_useColorOnly;\n\
uniform float u_usePalette;\n\
uniform float u_npotEmulation;\n\
uniform float u_npotEmulationFactor;\n\
uniform float u_npotEmulationXOffset;\n\
uniform float u_brightness;\n\
uniform float u_shadeInterpolate;\n\
\n\
varying vec4 v_color;\n\
varying float v_distance;\n\
\n\
const float c_basepalScale = 255.0/256.0;\n\
const float c_basepalOffset = 0.5/256.0;\n\
\n\
const float c_zero = 0.0;\n\
const float c_one = 1.0;\n\
const float c_two = 2.0;\n\
const vec4 c_vec4_one = vec4(c_one);\n\
const float c_wrapThreshold = 0.9;\n\
\n\
void main()\n\
{\n\
float coordY = mix(gl_TexCoord[0].y,gl_TexCoord[0].x,u_usePalette);\n\
float coordX = mix(gl_TexCoord[0].x,gl_TexCoord[0].y,u_usePalette);\n\
float period = floor(coordY/u_npotEmulationFactor);\n\
coordX += u_npotEmulationXOffset*floor(mod(coordY,u_npotEmulationFactor));\n\
coordY = period+mod(coordY,u_npotEmulationFactor);\n\
vec2 newCoord = mix(gl_TexCoord[0].xy,mix(vec2(coordX,coordY),vec2(coordY,coordX),u_usePalette),u_npotEmulation);\n\
//GLSL 130+ could alternatively use texture2DGrad()\n\
vec2 transitionBlend = fwidth(floor(newCoord.xy));\n\
transitionBlend = fwidth(transitionBlend)+transitionBlend;\n\
vec2 texCoord = mix(fract(newCoord.xy), abs(c_one-mod(newCoord.xy+c_one, c_two)), transitionBlend);\n\
texCoord = clamp(u_texturePosSize.zw*texCoord, u_halfTexelSize, u_texturePosSize.zw-u_halfTexelSize);\n\
vec4 color = texture2D(s_texture, u_texturePosSize.xy+texCoord);\n\
\n\
float shade = clamp((u_shade+u_visFactor*v_distance), c_zero, u_numShades-c_one);\n\
float shadeFrac = mod(shade, c_one);\n\
float colorIndex = texture2D(s_palswap, u_palswapPos+u_palswapSize*vec2(color.r, floor(shade)/u_numShades)).r;\n\
colorIndex = c_basepalOffset + c_basepalScale*colorIndex;\n\
vec4 palettedColor = texture2D(s_palette, vec2(colorIndex, c_zero));\n\
colorIndex = texture2D(s_palswap, u_palswapPos+u_palswapSize*vec2(color.r, (floor(shade)+c_one)/u_numShades)).r;\n\
colorIndex = c_basepalOffset + c_basepalScale*colorIndex;\n\
vec4 palettedColorNext = texture2D(s_palette, vec2(colorIndex, c_zero));\n\
palettedColor.rgb = mix(palettedColor.rgb, palettedColorNext.rgb, shadeFrac*u_shadeInterpolate);\n\
float fullbright = mix(u_usePalette*palettedColor.a, c_zero, u_useColorOnly);\n\
palettedColor.a = c_one-floor(color.r);\n\
color = mix(color, palettedColor, u_usePalette);\n\
\n\
color = mix(color, c_vec4_one, u_useColorOnly);\n\
\n\
// DEBUG \n\
//color = texture2D(s_palswap, gl_TexCoord[0].xy);\n\
//color = texture2D(s_palette, gl_TexCoord[0].xy);\n\
//color = texture2D(s_texture, gl_TexCoord[0].yx);\n\
\n\
color.rgb = mix(v_color.rgb*color.rgb, color.rgb, fullbright);\n\
\n\
float fogEnabled = mix(u_fogEnabled, c_zero, u_usePalette);\n\
fullbright = max(c_one-fogEnabled, fullbright);\n\
float fogFactor = clamp((gl_Fog.end-gl_FogFragCoord)*gl_Fog.scale, fullbright, c_one);\n\
//float fogFactor = clamp(gl_FogFragCoord, fullbright, c_one);\n\
color.rgb = mix(gl_Fog.color.rgb, color.rgb, fogFactor);\n\
\n\
color.a *= v_color.a;\n\
\n\
color.rgb = pow(color.rgb, vec3(u_brightness));\n\
\n\
gl_FragData[0] = color;\n\
}\n";
const char* const POLYMOST1_EXTENDED_FRAGMENT_SHADER_CODE =
"#version 110\n\
\n\
//s_texture points to an indexed color texture\n\
uniform sampler2D s_texture;\n\
//s_palswap is the palette swap texture where u is the color index and v is the shade\n\
uniform sampler2D s_palswap;\n\
//s_palette is the base palette texture where u is the color index\n\
uniform sampler2D s_palette;\n\
\n\
uniform sampler2D s_detail;\n\
uniform sampler2D s_glow;\n\
\n\
//u_texturePosSize is the texture position & size packaged into a single vec4 as {pos.x, pos.y, size.x, size.y}\n\
uniform vec4 u_texturePosSize;\n\
uniform vec2 u_halfTexelSize;\n\
uniform vec2 u_palswapPos;\n\
uniform vec2 u_palswapSize;\n\
\n\
uniform float u_shade;\n\
uniform float u_numShades;\n\
uniform float u_visFactor;\n\
uniform float u_fogEnabled;\n\
\n\
uniform float u_useColorOnly;\n\
uniform float u_usePalette;\n\
uniform float u_npotEmulation;\n\
uniform float u_npotEmulationFactor;\n\
uniform float u_npotEmulationXOffset;\n\
uniform float u_brightness;\n\
uniform float u_shadeInterpolate;\n\
\n\
uniform float u_useDetailMapping;\n\
uniform float u_useGlowMapping;\n\
\n\
varying vec4 v_color;\n\
varying float v_distance;\n\
\n\
const float c_basepalScale = 255.0/256.0;\n\
const float c_basepalOffset = 0.5/256.0;\n\
\n\
const float c_zero = 0.0;\n\
const float c_one = 1.0;\n\
const float c_two = 2.0;\n\
const vec4 c_vec4_one = vec4(c_one);\n\
const float c_wrapThreshold = 0.9;\n\
\n\
void main()\n\
{\n\
float coordY = mix(gl_TexCoord[0].y,gl_TexCoord[0].x,u_usePalette);\n\
float coordX = mix(gl_TexCoord[0].x,gl_TexCoord[0].y,u_usePalette);\n\
float period = floor(coordY/u_npotEmulationFactor);\n\
coordX += u_npotEmulationXOffset*floor(mod(coordY,u_npotEmulationFactor));\n\
coordY = period+mod(coordY,u_npotEmulationFactor);\n\
vec2 newCoord = mix(gl_TexCoord[0].xy,mix(vec2(coordX,coordY),vec2(coordY,coordX),u_usePalette),u_npotEmulation);\n\
//GLSL 130+ could alternatively use texture2DGrad()\n\
vec2 transitionBlend = fwidth(floor(newCoord.xy));\n\
transitionBlend = fwidth(transitionBlend)+transitionBlend;\n\
vec2 texCoord = mix(fract(newCoord.xy), abs(c_one-mod(newCoord.xy+c_one, c_two)), transitionBlend);\n\
texCoord = clamp(u_texturePosSize.zw*texCoord, u_halfTexelSize, u_texturePosSize.zw-u_halfTexelSize);\n\
vec4 color = texture2D(s_texture, u_texturePosSize.xy+texCoord);\n\
\n\
float shade = clamp((u_shade+u_visFactor*v_distance), c_zero, u_numShades-c_one);\n\
float shadeFrac = mod(shade, c_one);\n\
float colorIndex = texture2D(s_palswap, u_palswapPos+u_palswapSize*vec2(color.r, floor(shade)/u_numShades)).r;\n\
colorIndex = c_basepalOffset + c_basepalScale*colorIndex;\n\
vec4 palettedColor = texture2D(s_palette, vec2(colorIndex, c_zero));\n\
colorIndex = texture2D(s_palswap, u_palswapPos+u_palswapSize*vec2(color.r, (floor(shade)+c_one)/u_numShades)).r;\n\
colorIndex = c_basepalOffset + c_basepalScale*colorIndex;\n\
vec4 palettedColorNext = texture2D(s_palette, vec2(colorIndex, c_zero));\n\
palettedColor.rgb = mix(palettedColor.rgb, palettedColorNext.rgb, shadeFrac*u_shadeInterpolate);\n\
float fullbright = mix(u_usePalette*palettedColor.a, c_zero, u_useColorOnly);\n\
palettedColor.a = c_one-floor(color.r);\n\
color = mix(color, palettedColor, u_usePalette);\n\
\n\
vec4 detailColor = texture2D(s_detail, newCoord);\n\
detailColor = mix(c_vec4_one, 2.0*detailColor, u_useDetailMapping*detailColor.a);\n\
color.rgb *= detailColor.rgb;\n\
\n\
color = mix(color, c_vec4_one, u_useColorOnly);\n\
\n\
// DEBUG \n\
//color = texture2D(s_palswap, gl_TexCoord[0].xy);\n\
//color = texture2D(s_palette, gl_TexCoord[0].xy);\n\
//color = texture2D(s_texture, gl_TexCoord[0].yx);\n\
\n\
color.rgb = mix(v_color.rgb*color.rgb, color.rgb, fullbright);\n\
\n\
float fogEnabled = mix(u_fogEnabled, c_zero, u_usePalette);\n\
fullbright = max(c_one-fogEnabled, fullbright);\n\
float fogFactor = clamp((gl_Fog.end-gl_FogFragCoord)*gl_Fog.scale, fullbright, c_one);\n\
//float fogFactor = clamp(gl_FogFragCoord, fullbright, c_one);\n\
color.rgb = mix(gl_Fog.color.rgb, color.rgb, fogFactor);\n\
\n\
vec4 glowColor = texture2D(s_glow, newCoord);\n\
color.rgb = mix(color.rgb, glowColor.rgb, u_useGlowMapping*glowColor.a*(c_one-u_useColorOnly));\n\
\n\
color.a *= v_color.a;\n\
\n\
color.rgb = pow(color.rgb, vec3(u_brightness));\n\
\n\
gl_FragData[0] = color;\n\
}\n";
polymost1BasicShaderProgramID = glCreateProgram();
GLuint polymost1BasicVertexShaderID = polymost2_compileShader(GL_VERTEX_SHADER, POLYMOST1_BASIC_VERTEX_SHADER_CODE);
GLuint polymost1BasicFragmentShaderID = polymost2_compileShader(GL_FRAGMENT_SHADER, POLYMOST1_BASIC_FRAGMENT_SHADER_CODE);
glAttachShader(polymost1BasicShaderProgramID, polymost1BasicVertexShaderID);
glAttachShader(polymost1BasicShaderProgramID, polymost1BasicFragmentShaderID);
glLinkProgram(polymost1BasicShaderProgramID);
polymost1ExtendedShaderProgramID = glCreateProgram();
GLuint polymost1ExtendedFragmentShaderID = polymost2_compileShader(GL_FRAGMENT_SHADER, POLYMOST1_EXTENDED_FRAGMENT_SHADER_CODE);
glAttachShader(polymost1ExtendedShaderProgramID, polymost1BasicVertexShaderID);
glAttachShader(polymost1ExtendedShaderProgramID, polymost1ExtendedFragmentShaderID);
glLinkProgram(polymost1ExtendedShaderProgramID);
// set defaults
polymost_setCurrentShaderProgram(polymost1ExtendedShaderProgramID);
glUniform1i(polymost1TexSamplerLoc, 0);
glUniform1i(polymost1PalSwapSamplerLoc, 1);
glUniform1i(polymost1PaletteSamplerLoc, 2);
glUniform1i(polymost1DetailSamplerLoc, 3);
glUniform1i(polymost1GlowSamplerLoc, 4);
polymost_setPalswapSize(256, numshades+1);
polymost_setCurrentShaderProgram(polymost1BasicShaderProgramID);
glUniform1i(polymost1TexSamplerLoc, 0);
glUniform1i(polymost1PalSwapSamplerLoc, 1);
glUniform1i(polymost1PaletteSamplerLoc, 2);
useShaderProgram(0);
lastbasepal = -1;
for (int basepalnum = 0; basepalnum < MAXBASEPALS; ++basepalnum)
{
paletteTextureIDs[basepalnum] = 0;
uploadbasepalette(basepalnum);
}
palswapTextureID = 0;
for (int palookupnum = 0; palookupnum < MAXPALOOKUPS; ++palookupnum)
{
uploadpalswap(palookupnum);
}
polymost_resetVertexPointers();
#if defined EDUKE32_GLES
Polymost_DetermineTextureFormatSupport();
#endif
}
void polymost_init()
{
lastbasepal = -1;
polymost_resetVertexPointers();
}
////////// VISIBILITY FOG ROUTINES //////////
// only for r_usenewshading < 2 (not preferred)
static void fogcalc_old(int32_t shade, int32_t vis)
{
float f;
if (r_usenewshading == 1)
{
f = 0.9f * shade;
f = (vis > 239) ? (float)(gvisibility * (vis - 240 + f)) :
(float)(gvisibility * (vis + 16 + f));
}
else
{
f = (shade < 0) ? shade * 3.5f : shade * .66f;
f = (vis > 239) ? (float)(gvisibility * ((vis - 240 + f) / (klabs(vis - 256)))) :
(float)(gvisibility * (vis + 16 + f));
}
fogresult = clamp(f, 0.001f, 100.0f);
}
// For GL_LINEAR fog:
#define FOGDISTCONST 600
#define FULLVIS_BEGIN 2.9e30f
#define FULLVIS_END 3.0e30f
static inline void fogcalc(int32_t shade, int32_t vis, int32_t pal)
{
fogcol = fogtable[pal];
if (r_usenewshading < 2)
{
fogcalc_old(shade, vis);
return;
}
float combvis = (float) globalvisibility * (uint8_t) (vis+16);
if (combvis == 0.f)
{
if (r_usenewshading == 2 && shade > 0)
{
// beg = -D*shade, end = D*(NUMSHADES-1-shade)
// => end/beg = -(NUMSHADES-1-shade)/shade
fogresult = -FULLVIS_BEGIN;
fogresult2 = FULLVIS_BEGIN * (float)(numshades-1-shade) / shade;
}
else
{
fogresult = FULLVIS_BEGIN;
fogresult2 = FULLVIS_END;
}
}
else if (r_usenewshading == 3 && shade >= numshades-1)
{
fogresult = -1;
fogresult2 = 0;
}
else
{
combvis = 1.f/combvis;
fogresult = (r_usenewshading == 3 && shade > 0) ? 0.f : -(FOGDISTCONST * shade) * combvis;
fogresult2 = (FOGDISTCONST * (numshades-1-shade)) * combvis;
}
}
#define GL_FOG_MAX 1.0e37f
void polymost2_calc_fog(int32_t shade, int32_t vis, int32_t pal)
{
if (nofog) return;
fogresult = 0.f;
fogcol = fogtable[pal];
if (((uint8_t)(vis + 16)) > 0 && g_visibility > 0)
{
constexpr GLfloat glfogconstant = 262144.f;
GLfloat fogrange = (frealmaxshade * glfogconstant) / (((uint8_t)(vis + 16)) * globalvisibility);
GLfloat normalizedshade = shade / frealmaxshade;
GLfloat fogshade = normalizedshade * fogrange;
// fogresult = -fogshade; // uncomment this to incorporate shades in the fog
fogresult2 = fogrange - fogshade;
}
else
fogresult2 = -GL_FOG_MAX; // hide fog behind the camera
}
void calc_and_apply_fog(int32_t shade, int32_t vis, int32_t pal)
{
if (nofog) return;
if (r_usenewshading == 4)
{
fogresult = 0.f;
fogcol = fogtable[pal];
if (((uint8_t)(vis + 16)) > 0 && globalvisibility > 0)
{
constexpr GLfloat glfogconstant = 262144.f;
GLfloat fogrange = (frealmaxshade * glfogconstant) / (((uint8_t)(vis + 16)) * globalvisibility);
GLfloat normalizedshade = shade / frealmaxshade;
GLfloat fogshade = normalizedshade * fogrange;
// fogresult = -fogshade; // uncomment this to incorporate shades in the fog
fogresult2 = fogrange - fogshade;
}
else
fogresult2 = -GL_FOG_MAX; // hide fog behind the camera
glFogf(GL_FOG_START, fogresult);
glFogf(GL_FOG_END, fogresult2);
glFogfv(GL_FOG_COLOR, (GLfloat *)&fogcol);
return;
}
fogcalc(shade, vis, pal);
glFogfv(GL_FOG_COLOR, (GLfloat *)&fogcol);
if (r_usenewshading < 2)
glFogf(GL_FOG_DENSITY, fogresult);
else
{
glFogf(GL_FOG_START, fogresult);
glFogf(GL_FOG_END, fogresult2);
}
}
void calc_and_apply_fog_factor(int32_t shade, int32_t vis, int32_t pal, float factor)
{
if (nofog) return;
if (r_usenewshading == 4)
{
fogcol = fogtable[pal];
if (((uint8_t)(vis + 16)) > 0 && ((((uint8_t)(vis + 16)) / 8.f) + shade) > 0)
{
GLfloat normalizedshade = shade / frealmaxshade;
GLfloat fogrange = (((uint8_t)(vis + 16)) / (8.f * frealmaxshade)) + normalizedshade;
// subtract shades from fog
if (shade > 0 && shade < realmaxshade)
fogrange = (fogrange - normalizedshade) / (1.f - normalizedshade);
fogresult = -(GL_FOG_MAX * fogrange);
fogresult2 = GL_FOG_MAX - (GL_FOG_MAX * fogrange);
}
else
{
fogresult = 0.f;
fogresult2 = -GL_FOG_MAX; // hide fog behind the camera
}
glFogf(GL_FOG_START, fogresult);
glFogf(GL_FOG_END, fogresult2);
glFogfv(GL_FOG_COLOR, (GLfloat *)&fogcol);
return;
}
// NOTE: for r_usenewshading >= 2, the fog beginning/ending distance results are
// unused.
fogcalc(shade, vis, pal);
glFogfv(GL_FOG_COLOR, (GLfloat *)&fogcol);
if (r_usenewshading < 2)
glFogf(GL_FOG_DENSITY, fogresult*factor);
else
{
glFogf(GL_FOG_START, (GLfloat) FULLVIS_BEGIN);
glFogf(GL_FOG_END, (GLfloat) FULLVIS_END);
}
}
////////////////////
static float get_projhack_ratio(void)
{
if (glprojectionhacks && !r_yshearing)
{
float const projhack_zoom = 1.4f *
// adjust for the FOV, increasing the FOV reduces the zenith glitch
// don't apply if the zenith is cut from the viewing area
(65536.f / fviewingrange) *
(float)(windowxy2.y-windowxy1.y+1) /
(float)(windowxy2.x-windowxy1.x+1) *
(float)(xdim)/(float)(ydim);
if (projhack_zoom < 1.f)
return 1.f;
static constexpr float const maxcoshoriz = 0.540971179375801f; // 128/sqrt(128^2+199^2) = cos of an horiz diff of 199
float const factor = (projhack_zoom - 1.f) * (1.f / maxcoshoriz);
return 1.f + (factor * (1.f - Bfabsf(gchang)));
}
// No projection hacks (legacy or new-aspect)
return 1.f;
}
static void resizeglcheck(void)
{
#ifndef EDUKE32_GLES
//FUK
if (lastglpolygonmode != r_polygonmode)
{
lastglpolygonmode = r_polygonmode;
switch (r_polygonmode)
{
default:
case 0:
glPolygonMode(GL_FRONT_AND_BACK,GL_FILL); break;
case 1:
glPolygonMode(GL_FRONT_AND_BACK,GL_LINE); break;
case 2:
glPolygonMode(GL_FRONT_AND_BACK,GL_POINT); break;
}
}
if (r_polygonmode) //FUK
{
glClearColor(1.0,1.0,1.0,0.0);
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
}
#else
glPolygonMode(GL_FRONT_AND_BACK,GL_FILL);
#endif
if ((glox1 != windowxy1.x) || (gloy1 != windowxy1.y) || (glox2 != windowxy2.x) || (gloy2 != windowxy2.y) || (gloxyaspect != gxyaspect) || (gloyxscale != gyxscale) || (glohoriz2 != ghoriz2) || (glohorizcorrect != ghorizcorrect) || (glotang != gtang))
{
const int32_t ourxdimen = (windowxy2.x-windowxy1.x+1);
float ratio = get_projhack_ratio();
const int32_t fovcorrect = (int32_t)(ourxdimen*ratio - ourxdimen);
ratio = 1.f/ratio;
glox1 = (float)windowxy1.x; gloy1 = (float)windowxy1.y;
glox2 = (float)windowxy2.x; gloy2 = (float)windowxy2.y;
glViewport(windowxy1.x-(fovcorrect/2), ydim-(windowxy2.y+1),
ourxdimen+fovcorrect, windowxy2.y-windowxy1.y+1);
glMatrixMode(GL_PROJECTION);
float m[4][4];
Bmemset(m,0,sizeof(m));
float const nearclip = SCISDIST / (gxyaspect * gyxscale * 1024.f);
float const farclip = 64.f;
gloxyaspect = gxyaspect;
gloyxscale = gyxscale;
glohoriz2 = ghoriz2;
glohorizcorrect = ghorizcorrect;
glotang = gtang;
m[0][0] = 1.f;
m[1][1] = fxdimen / (fydimen * ratio);
m[2][0] = 2.f * ghoriz2 * gstang / fxdimen;
m[2][1] = 2.f * (ghoriz2 * gctang + ghorizcorrect) / (fydimen * ratio);
m[2][2] = (farclip + nearclip) / (farclip - nearclip);
m[2][3] = 1.f;
m[3][2] = -(2.f * farclip * nearclip) / (farclip - nearclip);
glLoadMatrixf(&m[0][0]);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
if (!nofog) polymost_setFogEnabled(true);
}
}
static void fixtransparency(coltype *dapic, vec2_t dasiz, vec2_t dasiz2, int32_t dameth)
{
if (!(dameth & DAMETH_MASKPROPS))
return;
vec2_t doxy = { dasiz2.x-1, dasiz2.y-1 };
if (dameth & DAMETH_CLAMPED)
doxy = { min(doxy.x, dasiz.x), min(doxy.y, dasiz.y) };
else dasiz = dasiz2; //Make repeating textures duplicate top/left parts
dasiz.x--; dasiz.y--; //Hacks for optimization inside loop
int32_t const naxsiz2 = -dasiz2.x;
//Set transparent pixels to average color of neighboring opaque pixels
//Doing this makes bilinear filtering look much better for masked textures (I.E. sprites)
for (bssize_t y=doxy.y; y>=0; y--)
{
coltype * wpptr = &dapic[y*dasiz2.x+doxy.x];
for (bssize_t x=doxy.x; x>=0; x--,wpptr--)
{
if (wpptr->a) continue;
int r = 0, g = 0, b = 0, j = 0;
if ((x> 0) && (wpptr[ -1].a)) { r += wpptr[ -1].r; g += wpptr[ -1].g; b += wpptr[ -1].b; j++; }
if ((x<dasiz.x) && (wpptr[ +1].a)) { r += wpptr[ +1].r; g += wpptr[ +1].g; b += wpptr[ +1].b; j++; }
if ((y> 0) && (wpptr[naxsiz2].a)) { r += wpptr[naxsiz2].r; g += wpptr[naxsiz2].g; b += wpptr[naxsiz2].b; j++; }
if ((y<dasiz.y) && (wpptr[dasiz2.x].a)) { r += wpptr[dasiz2.x].r; g += wpptr[dasiz2.x].g; b += wpptr[dasiz2.x].b; j++; }
switch (j)
{
case 1:
wpptr->r = r ; wpptr->g = g ; wpptr->b = b ; break;
case 2:
wpptr->r = ((r + 1)>>1); wpptr->g = ((g + 1)>>1); wpptr->b = ((b + 1)>>1); break;
case 3:
wpptr->r = ((r*85+128)>>8); wpptr->g = ((g*85+128)>>8); wpptr->b = ((b*85+128)>>8); break;
case 4:
wpptr->r = ((r + 2)>>2); wpptr->g = ((g + 2)>>2); wpptr->b = ((b + 2)>>2); break;
}
}
}
}
void uploadtexture(FHardwareTexture *tex, int32_t doalloc, vec2_t siz, int32_t texfmt,
coltype* pic, vec2_t tsiz, int32_t dameth)
{
#ifdef TIMING
cycle_t clock;
clock.Reset();
clock.Clock();
#endif
tex->LoadTexture((uint8_t *)pic);
#ifdef TIMING
clock.Unclock();
static int ttt;
OSD_Printf("%d: texture upload %d x %d took %2.3f ms\n", ttt++, siz.x, siz.y, clock.TimeMS());
#endif
}
void uploadbasepalette(int32_t basepalnum)
{
if (!polymost1BasicShaderProgramID)
{
//POGO: if we haven't initialized properly yet, we shouldn't be uploading base palettes
return;
}
if (!basepaltable[basepalnum])
{
return;
}
//POGO: this is only necessary for GL fog/vertex color shade compatibility, since those features don't index into shade tables
uint8_t basepalWFullBrightInfo[4*256];
for (int i = 0; i < 256; ++i)
{
basepalWFullBrightInfo[i*4] = basepaltable[basepalnum][i*3];
basepalWFullBrightInfo[i*4+1] = basepaltable[basepalnum][i*3+1];
basepalWFullBrightInfo[i*4+2] = basepaltable[basepalnum][i*3+2];
basepalWFullBrightInfo[i*4+3] = 0-(IsPaletteIndexFullbright(i) != 0);
}
if (!paletteTextureIDs[basepalnum])
{
auto &p = paletteTextureIDs[basepalnum];
p = GLInterface.NewTexture();
p->CreateTexture(256, 1, false, false);
p->SetSampler(Sampler2DNoFilter);
}
paletteTextureIDs[basepalnum]->LoadTexture(basepalWFullBrightInfo); // RGBA
}
void uploadpalswap(int32_t palookupnum)
{
if (!polymost1BasicShaderProgramID)
{
//POGO: if we haven't initialized properly yet, we shouldn't be uploading palette swap tables
return;
}
if (!palookup[palookupnum])
{
return;
}
// No point porting this, it's too much work for a short lived solution.
#if 0
char allocateTexture = !palswapTextureID;
if (allocateTexture)
{
G etTextureHandle(&palswapTextureID);
}
g lBindTexture(GL_TEXTURE_2D, palswapTextureID);
if (allocateTexture)
{
g lTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_BASE_LEVEL, 0);
g lTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, 0);
g lTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
g lTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
g lTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT, 1);
g lTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
g lTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
g lTexImage2D(GL_TEXTURE_2D, 0, GL_RED, PALSWAP_TEXTURE_SIZE, PALSWAP_TEXTURE_SIZE, 0, GL_RED, GL_UNSIGNED_BYTE, NULL);
}
int32_t column = palookupnum%(PALSWAP_TEXTURE_SIZE/256);
int32_t row = palookupnum/(PALSWAP_TEXTURE_SIZE/256);
int32_t rowOffset = (numshades+1)*row;
if (rowOffset > PALSWAP_TEXTURE_SIZE)
{
OSD_Printf("Polymost: palswaps are too large for palswap tilesheet!\n");
return;
}
g lTexSubImage2D(GL_TEXTURE_2D, 0, 256*column, rowOffset, 256, numshades+1, GL_RED, GL_UNSIGNED_BYTE, palookup[palookupnum]);
#endif
}
static void polymost_setuptexture(FHardwareTexture *tex, const int32_t dameth, int filter)
{
if (!(dameth & DAMETH_CLAMPED))
{
tex->SetSampler(SamplerRepeat);
}
else
{
// For sprite textures, clamping looks better than wrapping
tex->SetSampler(SamplerClampXY);
}
}
static void gloadtile_art_indexed(int32_t dapic, int32_t dameth, pthtyp *pth, int32_t doalloc)
{
vec2s_t const & tsizart = tilesiz[dapic];
vec2_t siz = { tsizart.x, tsizart.y };
//POGOTODO: npoty
char npoty = 0;
//POGOTODO: if !glinfo.texnpot, then we could allocate a texture of the pow2 size, and then populate the subportion using buffersubdata func
//if (!glinfo.texnpot)
if (waloff[dapic])
{
if (doalloc)
{
assert(pth->glpic == nullptr);
pth->glpic = GLInterface.NewTexture();
pth->glpic->CreateTexture(siz.x, siz.y, true, false);
pth->glpic->SetSampler(SamplerNoFilter);
polymost_setuptexture(pth->glpic, dameth, 0);
}
pth->glpic->LoadTexture((uint8_t*)waloff[dapic]); // Indexed
}
else
{
assert(false);
}
pth->picnum = dapic;
pth->palnum = 0;
pth->shade = 0;
pth->effects = 0;
pth->flags = TO_PTH_CLAMPED(dameth) | TO_PTH_NOTRANSFIX(dameth) | (PTH_HASALPHA|PTH_ONEBITALPHA) | (npoty*PTH_NPOTWALL) | PTH_INDEXED;
pth->hicr = NULL;
}
void gloadtile_art(int32_t dapic, int32_t dapal, int32_t tintpalnum, int32_t dashade, int32_t dameth, pthtyp *pth, int32_t doalloc)
{
if (dameth & PTH_INDEXED)
{
return gloadtile_art_indexed(dapic, dameth, pth, doalloc);
}
static int32_t fullbrightloadingpass = 0;
vec2s_t const & tsizart = tilesiz[dapic];
vec2_t siz = { 0, 0 }, tsiz = { tsizart.x, tsizart.y };
int const picdim = tsiz.x*tsiz.y;
char hasalpha = 0, hasfullbright = 0;
char npoty = 0;
{
if (!glinfo.texnpot)
{
for (siz.x = 1; siz.x < tsiz.x; siz.x += siz.x) { }
for (siz.y = 1; siz.y < tsiz.y; siz.y += siz.y) { }
}
else
{
if ((tsiz.x|tsiz.y) == 0)
siz.x = siz.y = 1;
else
siz = tsiz;
}
coltype *pic = (coltype *)Xmalloc(siz.x*siz.y*sizeof(coltype));
if (!waloff[dapic])
{
//Force invalid textures to draw something - an almost purely transparency texture
//This allows the Z-buffer to be updated for mirrors (which are invalidated textures)
pic[0].r = pic[0].g = pic[0].b = 0; pic[0].a = 1;
tsiz.x = tsiz.y = 1; hasalpha = 1;
}
else
{
const int dofullbright = !(picanm[dapic].sf & PICANM_NOFULLBRIGHT_BIT) && !(globalflags & GLOBAL_NO_GL_FULLBRIGHT);
for (bssize_t y = 0; y < siz.y; y++)
{
coltype *wpptr = &pic[y * siz.x];
int32_t y2 = (y < tsiz.y) ? y : y - tsiz.y;
for (bssize_t x = 0; x < siz.x; x++, wpptr++)
{
int32_t dacol;
int32_t x2 = (x < tsiz.x) ? x : x-tsiz.x;
if ((dameth & DAMETH_CLAMPED) && (x >= tsiz.x || y >= tsiz.y)) //Clamp texture
{
wpptr->r = wpptr->g = wpptr->b = wpptr->a = 0;
continue;
}
dacol = *(char *)(waloff[dapic]+x2*tsiz.y+y2);
if (dacol == 255)
{
wpptr->a = 0;
hasalpha = 1;
}
else
wpptr->a = 255;
char *p = (char *)(palookup[dapal])+(int32_t)(dashade<<8);
dacol = (uint8_t)p[dacol];
if (!fullbrightloadingpass)
{
// regular texture
if (IsPaletteIndexFullbright(dacol) && dofullbright)
hasfullbright = 1;
}
else
{
// texture with only fullbright areas
if (!IsPaletteIndexFullbright(dacol)) // regular colors
{
wpptr->a = 0;
hasalpha = 1;
}
}
bricolor((palette_t *)wpptr, dacol);
if (!fullbrightloadingpass && tintpalnum >= 0)
{
polytint_t const & tint = hictinting[tintpalnum];
polytintflags_t const effect = tint.f;
uint8_t const r = tint.r;
uint8_t const g = tint.g;
uint8_t const b = tint.b;
if (effect & HICTINT_GRAYSCALE)
{
wpptr->g = wpptr->r = wpptr->b = (uint8_t) ((wpptr->r * GRAYSCALE_COEFF_RED) +
(wpptr->g * GRAYSCALE_COEFF_GREEN) +
(wpptr->b * GRAYSCALE_COEFF_BLUE));
}
if (effect & HICTINT_INVERT)
{
wpptr->b = 255 - wpptr->b;
wpptr->g = 255 - wpptr->g;
wpptr->r = 255 - wpptr->r;
}
if (effect & HICTINT_COLORIZE)
{
wpptr->b = min((int32_t)((wpptr->b) * b) >> 6, 255);
wpptr->g = min((int32_t)((wpptr->g) * g) >> 6, 255);
wpptr->r = min((int32_t)((wpptr->r) * r) >> 6, 255);
}
switch (effect & HICTINT_BLENDMASK)
{
case HICTINT_BLEND_SCREEN:
wpptr->b = 255 - (((255 - wpptr->b) * (255 - b)) >> 8);
wpptr->g = 255 - (((255 - wpptr->g) * (255 - g)) >> 8);
wpptr->r = 255 - (((255 - wpptr->r) * (255 - r)) >> 8);
break;
case HICTINT_BLEND_OVERLAY:
wpptr->b = wpptr->b < 128 ? (wpptr->b * b) >> 7 : 255 - (((255 - wpptr->b) * (255 - b)) >> 7);
wpptr->g = wpptr->g < 128 ? (wpptr->g * g) >> 7 : 255 - (((255 - wpptr->g) * (255 - g)) >> 7);
wpptr->r = wpptr->r < 128 ? (wpptr->r * r) >> 7 : 255 - (((255 - wpptr->r) * (255 - r)) >> 7);
break;
case HICTINT_BLEND_HARDLIGHT:
wpptr->b = b < 128 ? (wpptr->b * b) >> 7 : 255 - (((255 - wpptr->b) * (255 - b)) >> 7);
wpptr->g = g < 128 ? (wpptr->g * g) >> 7 : 255 - (((255 - wpptr->g) * (255 - g)) >> 7);
wpptr->r = r < 128 ? (wpptr->r * r) >> 7 : 255 - (((255 - wpptr->r) * (255 - r)) >> 7);
break;
}
}
//swap r & b so that we deal with the data as BGRA
uint8_t tmpR = wpptr->r;
wpptr->r = wpptr->b;
wpptr->b = tmpR;
}
}
}
if (doalloc)
{
pth->glpic = GLInterface.NewTexture();
pth->glpic->CreateTexture(siz.x, siz.y, false, true);
}
fixtransparency(pic,tsiz,siz,dameth);
if (polymost_want_npotytex(dameth, siz.y) && tsiz.x == siz.x && tsiz.y == siz.y) // XXX
{
const int32_t nextpoty = 1 << ((picsiz[dapic] >> 4) + 1);
const int32_t ydif = nextpoty - siz.y;
coltype *paddedpic;
Bassert(ydif < siz.y);
paddedpic = (coltype *)Xrealloc(pic, siz.x * nextpoty * sizeof(coltype));
pic = paddedpic;
Bmemcpy(&pic[siz.x * siz.y], pic, siz.x * ydif * sizeof(coltype));
siz.y = tsiz.y = nextpoty;
npoty = 1;
}
uploadtexture(pth->glpic, doalloc, siz, GL_BGRA, pic, tsiz,
dameth | DAMETH_ARTIMMUNITY |
(dapic >= MAXUSERTILES ? (DAMETH_NOTEXCOMPRESS|DAMETH_NODOWNSIZE) : 0) | /* never process these short-lived tiles */
(hasfullbright ? DAMETH_HASFULLBRIGHT : 0) |
(npoty ? DAMETH_NPOTWALL : 0) |
(hasalpha ? (DAMETH_HASALPHA|DAMETH_ONEBITALPHA) : 0));
Bfree(pic);
}
polymost_setuptexture(pth->glpic, dameth, -1);
pth->picnum = dapic;
pth->palnum = dapal;
pth->shade = dashade;
pth->effects = 0;
pth->flags = TO_PTH_CLAMPED(dameth) | TO_PTH_NOTRANSFIX(dameth) | (hasalpha*(PTH_HASALPHA|PTH_ONEBITALPHA)) | (npoty*PTH_NPOTWALL);
pth->hicr = NULL;
if (hasfullbright && !fullbrightloadingpass)
{
// Load the ONLY texture that'll be assembled with the regular one to
// make the final texture with fullbright pixels.
fullbrightloadingpass = 1;
if (!pth->ofb)
pth->ofb = (pthtyp *)Xcalloc(1,sizeof(pthtyp));
pth->flags |= PTH_HASFULLBRIGHT;
gloadtile_art(dapic, dapal, -1, 0, (dameth & ~DAMETH_MASKPROPS) | DAMETH_MASK, pth->ofb, 1);
fullbrightloadingpass = 0;
}
}
int32_t gloadtile_hi(int32_t dapic,int32_t dapalnum, int32_t facen, hicreplctyp *hicr,
int32_t dameth, pthtyp *pth, int32_t doalloc, polytintflags_t effect)
{
if (!hicr) return -1;
char *fn;
if (facen > 0)
{
if (!hicr->skybox || facen > 6 || !hicr->skybox->face[facen-1])
return -1;
fn = hicr->skybox->face[facen-1];
}
else
{
if (!hicr->filename)
return -1;
fn = hicr->filename;
}
buildvfs_kfd filh;
if (EDUKE32_PREDICT_FALSE((filh = kopen4load(fn, 0)) == buildvfs_kfd_invalid))
{
OSD_Printf("hightile: %s (pic %d) not found\n", fn, dapic);
return -2;
}
int32_t picfillen = kfilelength(filh);
kclose(filh); // FIXME: shouldn't have to do this. bug in cache1d.c
int32_t startticks = timerGetTicks(), willprint = 0;
char onebitalpha = 1;
char hasalpha;
vec2_t siz = { 0, 0 }, tsiz = { 0, 0 };
{
// CODEDUP: mdloadskin
int32_t isart = 0;
int32_t const length = kpzbufload(fn);
if (length == 0)
return -1;
// tsizx/y = replacement texture's natural size
// xsiz/y = 2^x size of replacement
#ifdef WITHKPLIB
kpgetdim(kpzbuf,picfillen,&tsiz.x,&tsiz.y);
#endif
if (tsiz.x == 0 || tsiz.y == 0)
{
if (artCheckUnitFileHeader((uint8_t *)kpzbuf, picfillen))
return -1;
tsiz = { B_LITTLE16(B_UNBUF16(&kpzbuf[16])), B_LITTLE16(B_UNBUF16(&kpzbuf[18])) };
if (tsiz.x == 0 || tsiz.y == 0)
return -1;
isart = 1;
}
pth->siz = tsiz;
if (!glinfo.texnpot)
{
for (siz.x=1; siz.x<tsiz.x; siz.x+=siz.x) { }
for (siz.y=1; siz.y<tsiz.y; siz.y+=siz.y) { }
}
else
siz = tsiz;
if (isart)
{
if (tsiz.x * tsiz.y + ARTv1_UNITOFFSET > picfillen)
return -2;
}
int32_t const bytesperline = siz.x * sizeof(coltype);
coltype *pic = (coltype *)Xcalloc(siz.y, bytesperline);
static coltype *lastpic = NULL;
static char *lastfn = NULL;
static int32_t lastsize = 0;
if (lastpic && lastfn && !Bstrcmp(lastfn,fn))
{
willprint=1;
Bmemcpy(pic, lastpic, siz.x*siz.y*sizeof(coltype));
}
else
{
if (isart)
{
artConvertRGB((palette_t *)pic, (uint8_t *)&kpzbuf[ARTv1_UNITOFFSET], siz.x, tsiz.x, tsiz.y);
}
#ifdef WITHKPLIB
else
{
if (kprender(kpzbuf,picfillen,(intptr_t)pic,bytesperline,siz.x,siz.y))
{
Bfree(pic);
return -2;
}
}
#endif
willprint=2;
if (hicprecaching)
{
lastfn = fn; // careful...
if (!lastpic)
{
lastpic = (coltype *)Xmalloc(siz.x*siz.y*sizeof(coltype));
lastsize = siz.x*siz.y;
}
else if (lastsize < siz.x*siz.y)
{
Bfree(lastpic);
lastpic = (coltype *)Xmalloc(siz.x*siz.y*sizeof(coltype));
}
if (lastpic)
Bmemcpy(lastpic, pic, siz.x*siz.y*sizeof(coltype));
}
else if (lastpic)
{
DO_FREE_AND_NULL(lastpic);
lastfn = NULL;
lastsize = 0;
}
}
char *cptr = britable[gammabrightness ? 0 : curbrightness];
polytint_t const & tint = hictinting[dapalnum];
int32_t r = (glinfo.bgra) ? tint.r : tint.b;
int32_t g = tint.g;
int32_t b = (glinfo.bgra) ? tint.b : tint.r;
char al = 255;
for (bssize_t y = 0, j = 0; y < tsiz.y; ++y, j += siz.x)
{
coltype tcol, *rpptr = &pic[j];
for (bssize_t x = 0; x < tsiz.x; ++x)
{
tcol.b = cptr[rpptr[x].b];
tcol.g = cptr[rpptr[x].g];
tcol.r = cptr[rpptr[x].r];
al &= tcol.a = rpptr[x].a;
onebitalpha &= tcol.a == 0 || tcol.a == 255;
if (effect & HICTINT_GRAYSCALE)
{
tcol.g = tcol.r = tcol.b = (uint8_t) ((tcol.b * GRAYSCALE_COEFF_RED) +
(tcol.g * GRAYSCALE_COEFF_GREEN) +
(tcol.r * GRAYSCALE_COEFF_BLUE));
}
if (effect & HICTINT_INVERT)
{
tcol.b = 255 - tcol.b;
tcol.g = 255 - tcol.g;
tcol.r = 255 - tcol.r;
}
if (effect & HICTINT_COLORIZE)
{
tcol.b = min((int32_t)((tcol.b) * r) >> 6, 255);
tcol.g = min((int32_t)((tcol.g) * g) >> 6, 255);
tcol.r = min((int32_t)((tcol.r) * b) >> 6, 255);
}
switch (effect & HICTINT_BLENDMASK)
{
case HICTINT_BLEND_SCREEN:
tcol.b = 255 - (((255 - tcol.b) * (255 - r)) >> 8);
tcol.g = 255 - (((255 - tcol.g) * (255 - g)) >> 8);
tcol.r = 255 - (((255 - tcol.r) * (255 - b)) >> 8);
break;
case HICTINT_BLEND_OVERLAY:
tcol.b = tcol.b < 128 ? (tcol.b * r) >> 7 : 255 - (((255 - tcol.b) * (255 - r)) >> 7);
tcol.g = tcol.g < 128 ? (tcol.g * g) >> 7 : 255 - (((255 - tcol.g) * (255 - g)) >> 7);
tcol.r = tcol.r < 128 ? (tcol.r * b) >> 7 : 255 - (((255 - tcol.r) * (255 - b)) >> 7);
break;
case HICTINT_BLEND_HARDLIGHT:
tcol.b = r < 128 ? (tcol.b * r) >> 7 : 255 - (((255 - tcol.b) * (255 - r)) >> 7);
tcol.g = g < 128 ? (tcol.g * g) >> 7 : 255 - (((255 - tcol.g) * (255 - g)) >> 7);
tcol.r = b < 128 ? (tcol.r * b) >> 7 : 255 - (((255 - tcol.r) * (255 - b)) >> 7);
break;
}
rpptr[x] = tcol;
}
}
hasalpha = (al != 255);
onebitalpha &= hasalpha;
if ((!(dameth & DAMETH_CLAMPED)) || facen) //Duplicate texture pixels (wrapping tricks for non power of 2 texture sizes)
{
if (siz.x > tsiz.x) // Copy left to right
{
for (int32_t y = 0, *lptr = (int32_t *)pic; y < tsiz.y; y++, lptr += siz.x)
Bmemcpy(&lptr[tsiz.x], lptr, (siz.x - tsiz.x) << 2);
}
if (siz.y > tsiz.y) // Copy top to bottom
Bmemcpy(&pic[siz.x * tsiz.y], pic, (siz.y - tsiz.y) * siz.x << 2);
}
if (!glinfo.bgra)
{
for (bssize_t i=siz.x*siz.y, j=0; j<i; j++)
swapchar(&pic[j].r, &pic[j].b);
}
// end CODEDUP
if (tsiz.x>>r_downsize <= tilesiz[dapic].x || tsiz.y>>r_downsize <= tilesiz[dapic].y)
hicr->flags |= HICR_ARTIMMUNITY;
if ((doalloc & 3) == 1)
{
pth->glpic = GLInterface.NewTexture();
pth->glpic->CreateTexture(siz.x, siz.y, false, true);
}
fixtransparency(pic,tsiz,siz,dameth);
int32_t const texfmt = glinfo.bgra ? GL_BGRA : GL_RGBA;
uploadtexture(pth->glpic, doalloc,siz,texfmt,pic,tsiz,
dameth | DAMETH_HI | DAMETH_NOFIX |
TO_DAMETH_NODOWNSIZE(hicr->flags) |
TO_DAMETH_NOTEXCOMPRESS(hicr->flags) |
TO_DAMETH_ARTIMMUNITY(hicr->flags) |
(onebitalpha ? DAMETH_ONEBITALPHA : 0) |
(hasalpha ? DAMETH_HASALPHA : 0));
Bfree(pic);
}
// precalculate scaling parameters for replacement
if (facen > 0)
pth->scale = { (float)tsiz.x * (1.0f/64.f), (float)tsiz.y * (1.0f/64.f) };
else
pth->scale = { (float)tsiz.x / (float)tilesiz[dapic].x, (float)tsiz.y / (float)tilesiz[dapic].y };
polymost_setuptexture(pth->glpic, dameth, (hicr->flags & HICR_FORCEFILTER) ? TEXFILTER_ON : -1);
if (tsiz.x>>r_downsize <= tilesiz[dapic].x || tsiz.y>>r_downsize <= tilesiz[dapic].y)
hicr->flags |= HICR_ARTIMMUNITY;
pth->picnum = dapic;
pth->effects = effect;
pth->flags = TO_PTH_CLAMPED(dameth) | TO_PTH_NOTRANSFIX(dameth) |
PTH_HIGHTILE | ((facen>0) * PTH_SKYBOX) |
(onebitalpha ? PTH_ONEBITALPHA : 0) |
(hasalpha ? PTH_HASALPHA : 0) |
((hicr->flags & HICR_FORCEFILTER) ? PTH_FORCEFILTER : 0);
pth->skyface = facen;
pth->hicr = hicr;
if (willprint)
{
int32_t etime = timerGetTicks()-startticks;
if (etime>=MIN_CACHETIME_PRINT)
OSD_Printf("Load tile %4d: p%d-m%d-e%d %s... %d ms\n", dapic, dapalnum, dameth, effect,
willprint==2 ? fn : "", etime);
}
return 0;
}
#ifdef USE_GLEXT
void polymost_setupdetailtexture(const int32_t texunits, FHardwareTexture *tex)
{
GLInterface.BindTexture(texunits, tex, SamplerRepeat);
}
void polymost_setupglowtexture(const int32_t texunits, FHardwareTexture* tex)
{
GLInterface.BindTexture(texunits, tex, SamplerRepeat);
}
#endif
//(dpx,dpy) specifies an n-sided polygon. The polygon must be a convex clockwise loop.
// n must be <= 8 (assume clipping can double number of vertices)
//method: 0:solid, 1:masked(255 is transparent), 2:transluscent #1, 3:transluscent #2
// +4 means it's a sprite, so wraparound isn't needed
// drawpoly's hack globals
static int32_t pow2xsplit = 0, skyclamphack = 0, skyzbufferhack = 0;
static float drawpoly_alpha = 0.f;
static uint8_t drawpoly_blend = 0;
static inline pthtyp *our_texcache_fetch(int32_t dameth)
{
if (r_usenewshading == 4)
return texcache_fetch(globalpicnum, globalpal, getpalookup(!(globalflags & GLOBAL_NO_GL_TILESHADES), globalshade), dameth);
return texcache_fetch(globalpicnum, globalpal, getpalookup(!(globalflags & GLOBAL_NO_GL_TILESHADES) ? globvis>>3 : 0, globalshade), dameth);
}
int32_t polymost_maskWallHasTranslucency(uwalltype const * const wall)
{
if (wall->cstat & CSTAT_WALL_TRANSLUCENT)
return true;
//POGO: only hightiles may have translucency in their texture
if (!usehightile)
return false;
uint8_t pal = wall->pal;
if (palookup[pal] == NULL)
pal = 0;
pthtyp* pth = texcache_fetch(wall->picnum, pal, 0, DAMETH_MASK | DAMETH_WALL);
return pth && (pth->flags & PTH_HASALPHA) && !(pth->flags & PTH_ONEBITALPHA);
}
int32_t polymost_spriteHasTranslucency(uspritetype const * const tspr)
{
if ((tspr->cstat & (CSTAT_SPRITE_TRANSLUCENT | CSTAT_SPRITE_RESERVED1)) ||
spriteext[tspr->owner].alpha)
return true;
//POGO: only hightiles may have translucency in their texture
if (!usehightile)
return false;
uint8_t pal = tspr->shade;
if (palookup[pal] == NULL)
pal = 0;
pthtyp* pth = texcache_fetch(tspr->picnum, pal, 0, DAMETH_MASK | DAMETH_CLAMPED);
return pth && (pth->flags & PTH_HASALPHA) && !(pth->flags & PTH_ONEBITALPHA);
}
static void polymost_updatePalette()
{
if (videoGetRenderMode() != REND_POLYMOST)
{
return;
}
polymost_setPalswap(globalpal);
polymost_setShade(globalshade);
//POGO: only bind the base pal once when it's swapped
if (curbasepal != lastbasepal)
{
GLInterface.BindTexture(2, paletteTextureIDs[curbasepal], Sampler2DNoFilter);
lastbasepal = curbasepal;
}
}
static void polymost_updaterotmat(void)
{
if (currentShaderProgramID == polymost1CurrentShaderProgramID)
{
float matrix[16] = {
1.f, 0.f, 0.f, 0.f,
0.f, 1.f, 0.f, 0.f,
0.f, 0.f, 1.f, 0.f,
0.f, 0.f, 0.f, 1.f,
};
#if !SOFTROTMAT
//Up/down rotation
float udmatrix[16] = {
1.f, 0.f, 0.f, 0.f,
0.f, gchang, -gshang, 0.f,
0.f, gshang, gchang, 0.f,
0.f, 0.f, 0.f, 1.f,
};
// Tilt rotation
float tiltmatrix[16] = {
gctang, -gstang, 0.f, 0.f,
gstang, gctang, 0.f, 0.f,
0.f, 0.f, 1.f, 0.f,
0.f, 0.f, 0.f, 1.f,
};
multiplyMatrix4f(matrix, udmatrix);
multiplyMatrix4f(matrix, tiltmatrix);
#endif
Bmemcpy(polymost1RotMatrix, matrix, sizeof(matrix));
glUniformMatrix4fv(polymost1RotMatrixLoc, 1, false, polymost1RotMatrix);
}
}
static void polymost_identityrotmat(void)
{
if (currentShaderProgramID == polymost1CurrentShaderProgramID)
{
float matrix[16] = {
1.f, 0.f, 0.f, 0.f,
0.f, 1.f, 0.f, 0.f,
0.f, 0.f, 1.f, 0.f,
0.f, 0.f, 0.f, 1.f,
};
Bmemcpy(polymost1RotMatrix, matrix, sizeof(matrix));
glUniformMatrix4fv(polymost1RotMatrixLoc, 1, false, polymost1RotMatrix);
}
}
static void polymost_drawpoly(vec2f_t const * const dpxy, int32_t const n, int32_t method)
{
if (method == DAMETH_BACKFACECULL ||
#ifdef YAX_ENABLE
g_nodraw ||
#endif
(uint32_t)globalpicnum >= MAXTILES)
return;
const int32_t method_ = method;
if (n == 3)
{
if ((dpxy[0].x-dpxy[1].x) * (dpxy[2].y-dpxy[1].y) >=
(dpxy[2].x-dpxy[1].x) * (dpxy[0].y-dpxy[1].y)) return; //for triangle
}
else
{
float f = 0; //f is area of polygon / 2
for (bssize_t i=n-2, j=n-1,k=0; k<n; i=j,j=k,k++)
f += (dpxy[i].x-dpxy[k].x)*dpxy[j].y;
if (f <= 0) return;
}
if (palookup[globalpal] == NULL)
globalpal = 0;
//Load texture (globalpicnum)
setgotpic(globalpicnum);
vec2s_t const & tsizart = tilesiz[globalpicnum];
vec2_t tsiz = { tsizart.x, tsizart.y };
if (!waloff[globalpicnum])
{
tileLoad(globalpicnum);
if (!waloff[globalpicnum])
{
tsiz.x = tsiz.y = 1;
method = DAMETH_MASK; //Hack to update Z-buffer for invalid mirror textures
}
}
Bassert(n <= MAX_DRAWPOLY_VERTS);
int j = 0;
float px[8], py[8], dd[8], uu[8], vv[8];
#if SOFTROTMAT
float const ozgs = ghalfx * gshang,
ozgc = ghalfx * gchang;
#endif
for (bssize_t i=0; i<n; ++i)
{
#if SOFTROTMAT
//Up/down rotation
vec3f_t const orot = { dpxy[i].x - ghalfx,
(dpxy[i].y - ghoriz) * gchang - ozgs,
(dpxy[i].y - ghoriz) * gshang + ozgc };
// Tilt rotation
float const r = ghalfx / orot.z;
px[j] = ghalfx + (((orot.x * gctang) - (orot.y * gstang)) * r);
py[j] = ghoriz + (((orot.x * gstang) + (orot.y * gctang)) * r);
dd[j] = (dpxy[i].x * xtex.d + dpxy[i].y * ytex.d + otex.d) * r;
uu[j] = (dpxy[i].x * xtex.u + dpxy[i].y * ytex.u + otex.u) * r;
vv[j] = (dpxy[i].x * xtex.v + dpxy[i].y * ytex.v + otex.v) * r;
if ((!j) || (px[j] != px[j-1]) || (py[j] != py[j-1]))
j++;
#else
px[j] = dpxy[i].x;
py[j] = dpxy[i].y;
dd[j] = (dpxy[i].x * xtex.d + dpxy[i].y * ytex.d + otex.d);
uu[j] = (dpxy[i].x * xtex.u + dpxy[i].y * ytex.u + otex.u);
vv[j] = (dpxy[i].x * xtex.v + dpxy[i].y * ytex.v + otex.v);
j++;
#endif
}
while ((j >= 3) && (px[j-1] == px[0]) && (py[j-1] == py[0])) j--;
if (j < 3)
return;
int const npoints = j;
if (skyclamphack) method |= DAMETH_CLAMPED;
pthtyp *pth = our_texcache_fetch(method | (videoGetRenderMode() == REND_POLYMOST && r_useindexedcolortextures ? PTH_INDEXED : 0));
if (!pth)
{
if (editstatus)
{
Bsprintf(ptempbuf, "pth==NULL! (bad pal?) pic=%d pal=%d", globalpicnum, globalpal);
polymost_printext256(8,8, editorcolors[15],editorcolors[5], ptempbuf, 0);
}
return;
}
static int32_t fullbright_pass = 0;
if (pth->flags & PTH_HASFULLBRIGHT && r_fullbrights)
{
if (!fullbright_pass)
fullbright_pass = 1;
else if (fullbright_pass == 2)
pth = pth->ofb;
}
Bassert(pth);
// If we aren't rendmode 3, we're in Polymer, which means this code is
// used for rotatesprite only. Polymer handles all the material stuff,
// just submit the geometry and don't mess with textures.
if (videoGetRenderMode() == REND_POLYMOST)
{
//POGOTODO: I could move this into bindPth
if (!(pth->flags & PTH_INDEXED))
polymost_usePaletteIndexing(false);
// The entire logic here is just one lousy hack.
int mSampler = NoSampler;
if (pth->glpic->GetSampler() != SamplerRepeat)
{
if (drawpoly_srepeat && drawpoly_trepeat) mSampler = SamplerRepeat;
else if (drawpoly_srepeat) mSampler = SamplerClampY;
else if (drawpoly_trepeat) mSampler = SamplerClampX;
else mSampler = SamplerClampXY;
}
polymost_bindPth(pth, mSampler);
}
// texture scale by parkar request
if (pth->hicr && !drawingskybox && ((pth->hicr->scale.x != 1.0f) || (pth->hicr->scale.y != 1.0f)))
{
glMatrixMode(GL_TEXTURE);
glLoadIdentity();
glScalef(pth->hicr->scale.x, pth->hicr->scale.y, 1.0f);
glMatrixMode(GL_MODELVIEW);
}
#ifdef USE_GLEXT
int32_t texunits = GL_TEXTURE0;
if (videoGetRenderMode() == REND_POLYMOST)
{
polymost_updatePalette();
texunits += 4;
}
// detail texture
if (r_detailmapping)
{
pthtyp *detailpth = NULL;
if (usehightile && !drawingskybox && hicfindsubst(globalpicnum, DETAILPAL, 1) &&
(detailpth = texcache_fetch(globalpicnum, DETAILPAL, 0, method & ~DAMETH_MASKPROPS)) &&
detailpth->hicr && detailpth->hicr->palnum == DETAILPAL)
{
polymost_useDetailMapping(true);
polymost_setupdetailtexture(3, detailpth->glpic);
glActiveTexture(GL_TEXTURE3);
glMatrixMode(GL_TEXTURE);
glLoadIdentity();
if (pth->hicr && ((pth->hicr->scale.x != 1.0f) || (pth->hicr->scale.y != 1.0f)))
glScalef(pth->hicr->scale.x, pth->hicr->scale.y, 1.0f);
if ((detailpth->hicr->scale.x != 1.0f) || (detailpth->hicr->scale.y != 1.0f))
glScalef(detailpth->hicr->scale.x, detailpth->hicr->scale.y, 1.0f);
glMatrixMode(GL_MODELVIEW);
glActiveTexture(GL_TEXTURE0);
}
}
// glow texture
if (r_glowmapping)
{
pthtyp *glowpth = NULL;
if (usehightile && !drawingskybox && hicfindsubst(globalpicnum, GLOWPAL, 1) &&
(glowpth = texcache_fetch(globalpicnum, GLOWPAL, 0, (method & ~DAMETH_MASKPROPS) | DAMETH_MASK)) &&
glowpth->hicr && (glowpth->hicr->palnum == GLOWPAL))
{
polymost_useGlowMapping(true);
polymost_setupglowtexture(4, glowpth->glpic);
}
}
if (glinfo.texnpot && r_npotwallmode == 2 && (method & DAMETH_WALL) != 0)
{
int32_t size = tilesiz[globalpicnum].y;
int32_t size2;
for (size2 = 1; size2 < size; size2 += size2) {}
if (size == size2)
polymost_npotEmulation(false, 1.f, 0.f);
else
{
float xOffset = 1.f / tilesiz[globalpicnum].x;
polymost_npotEmulation(true, (1.f*size2) / size, xOffset);
}
}
else
{
polymost_npotEmulation(false, 1.f, 0.f);
}
#endif
vec2f_t hacksc = { 1.f, 1.f };
if (pth->flags & PTH_HIGHTILE)
{
hacksc = pth->scale;
tsiz = pth->siz;
}
vec2_t tsiz2 = tsiz;
if (!glinfo.texnpot)
{
for (tsiz2.x = 1; tsiz2.x < tsiz.x; tsiz2.x += tsiz2.x)
; /* do nothing */
for (tsiz2.y = 1; tsiz2.y < tsiz.y; tsiz2.y += tsiz2.y)
; /* do nothing */
}
static int32_t skyzbufferhack_pass = 0;
if (method & DAMETH_MASKPROPS || fullbright_pass == 2)
{
float const al = alphahackarray[globalpicnum] != 0 ? alphahackarray[globalpicnum] * (1.f/255.f) :
(pth->hicr && pth->hicr->alphacut >= 0.f ? pth->hicr->alphacut : 0.f);
glAlphaFunc(GL_GREATER, al);
handle_blend((method & DAMETH_MASKPROPS) > DAMETH_MASK, drawpoly_blend, (method & DAMETH_MASKPROPS) == DAMETH_TRANS2);
}
float pc[4];
#ifdef POLYMER
if (videoGetRenderMode() == REND_POLYMER && pr_artmapping && !(globalflags & GLOBAL_NO_GL_TILESHADES) && polymer_eligible_for_artmap(globalpicnum, pth))
pc[0] = pc[1] = pc[2] = 1.0f;
else
#endif
{
polytint_t const & tint = hictinting[globalpal];
float shadeFactor = (pth->flags & PTH_INDEXED) &&
!(globalflags & GLOBAL_NO_GL_TILESHADES) ? 1.f : getshadefactor(globalshade);
pc[0] = (1.f-(tint.sr*(1.f/255.f)))*shadeFactor+(tint.sr*(1.f/255.f));
pc[1] = (1.f-(tint.sg*(1.f/255.f)))*shadeFactor+(tint.sg*(1.f/255.f));
pc[2] = (1.f-(tint.sb*(1.f/255.f)))*shadeFactor+(tint.sb*(1.f/255.f));
}
// spriteext full alpha control
pc[3] = float_trans(method & DAMETH_MASKPROPS, drawpoly_blend) * (1.f - drawpoly_alpha);
// tinting
polytintflags_t const tintflags = hictinting[globalpal].f;
if (!(tintflags & HICTINT_PRECOMPUTED))
{
if (pth->flags & PTH_HIGHTILE)
{
if (pth->palnum != globalpal || (pth->effects & HICTINT_IN_MEMORY) || (tintflags & HICTINT_APPLYOVERALTPAL))
hictinting_apply(pc, globalpal);
}
else if (tintflags & (HICTINT_USEONART|HICTINT_ALWAYSUSEART))
hictinting_apply(pc, globalpal);
}
// global tinting
if ((pth->flags & PTH_HIGHTILE) && have_basepal_tint())
hictinting_apply(pc, MAXPALOOKUPS-1);
globaltinting_apply(pc);
if (skyzbufferhack_pass)
pc[3] = 0.01f;
glColor4f(pc[0], pc[1], pc[2], pc[3]);
//POGOTODO: remove this, replace it with a shader implementation
//Hack for walls&masked walls which use textures that are not a power of 2
if ((pow2xsplit) && (tsiz.x != tsiz2.x))
{
vec3f_t const opxy[3] = { { py[1] - py[2], py[2] - py[0], py[0] - py[1] },
{ px[2] - px[1], px[0] - px[2], px[1] - px[0] },
{ px[0] - .5f, py[0] - .5f, 0 } };
float const r = 1.f / (opxy[0].x*px[0] + opxy[0].y*px[1] + opxy[0].z*px[2]);
vec3f_t ngx = { (opxy[0].x * dd[0] + opxy[0].y * dd[1] + opxy[0].z * dd[2]) * r,
((opxy[0].x * uu[0] + opxy[0].y * uu[1] + opxy[0].z * uu[2]) * r) * hacksc.x,
((opxy[0].x * vv[0] + opxy[0].y * vv[1] + opxy[0].z * vv[2]) * r) * hacksc.y };
vec3f_t ngy = { (opxy[1].x * dd[0] + opxy[1].y * dd[1] + opxy[1].z * dd[2]) * r,
((opxy[1].x * uu[0] + opxy[1].y * uu[1] + opxy[1].z * uu[2]) * r) * hacksc.x,
((opxy[1].x * vv[0] + opxy[1].y * vv[1] + opxy[1].z * vv[2]) * r) * hacksc.y };
vec3f_t ngo = { dd[0] - opxy[2].x * ngx.d - opxy[2].y * ngy.d,
(uu[0] - opxy[2].x * ngx.u - opxy[2].y * ngy.u) * hacksc.x,
(vv[0] - opxy[2].x * ngx.v - opxy[2].y * ngy.v) * hacksc.y };
float const uoffs = ((float)(tsiz2.x - tsiz.x) * 0.5f);
ngx.u -= ngx.d * uoffs;
ngy.u -= ngy.d * uoffs;
ngo.u -= ngo.d * uoffs;
float du0 = 0.f, du1 = 0.f;
//Find min&max u coordinates (du0...du1)
for (bssize_t i=0; i<npoints; ++i)
{
vec2f_t const o = { px[i], py[i] };
float const f = (o.x*ngx.u + o.y*ngy.u + ngo.u) / (o.x*ngx.d + o.y*ngy.d + ngo.d);
if (!i) { du0 = du1 = f; continue; }
if (f < du0) du0 = f;
else if (f > du1) du1 = f;
}
float const rf = 1.0f / tsiz.x;
int const ix1 = (int)floorf(du1 * rf);
for (bssize_t ix0 = (int)floorf(du0 * rf); ix0 <= ix1; ++ix0)
{
du0 = (float)(ix0 * tsiz.x); // + uoffs;
du1 = (float)((ix0 + 1) * tsiz.x); // + uoffs;
float duj = (px[0]*ngx.u + py[0]*ngy.u + ngo.u) / (px[0]*ngx.d + py[0]*ngy.d + ngo.d);
int i = 0, nn = 0;
do
{
j = i + 1;
if (j == npoints)
j = 0;
float const dui = duj;
duj = (px[j]*ngx.u + py[j]*ngy.u + ngo.u) / (px[j]*ngx.d + py[j]*ngy.d + ngo.d);
if ((du0 <= dui) && (dui <= du1))
{
uu[nn] = px[i];
vv[nn] = py[i];
nn++;
}
//ox*(ngx.u-ngx.d*du1) + oy*(ngy.u-ngdy*du1) + (ngo.u-ngo.d*du1) = 0
//(px[j]-px[i])*f + px[i] = ox
//(py[j]-py[i])*f + py[i] = oy
///Solve for f
//((px[j]-px[i])*f + px[i])*(ngx.u-ngx.d*du1) +
//((py[j]-py[i])*f + py[i])*(ngy.u-ngdy*du1) + (ngo.u-ngo.d*du1) = 0
//POGOTODO: this could be a static inline function -- the do/while loop should be just a pair of braces
#define DRAWPOLY_MATH_BULLSHIT(XXX) \
do \
{ \
float const f = -(px[i] * (ngx.u - ngx.d * XXX) + py[i] * (ngy.u - ngy.d * XXX) + (ngo.u - ngo.d * XXX)) / \
((px[j] - px[i]) * (ngx.u - ngx.d * XXX) + (py[j] - py[i]) * (ngy.u - ngy.d * XXX)); \
uu[nn] = (px[j] - px[i]) * f + px[i]; \
vv[nn] = (py[j] - py[i]) * f + py[i]; \
++nn; \
} while (0)
if (duj <= dui)
{
if ((du1 < duj) != (du1 < dui)) DRAWPOLY_MATH_BULLSHIT(du1);
if ((du0 < duj) != (du0 < dui)) DRAWPOLY_MATH_BULLSHIT(du0);
}
else
{
if ((du0 < duj) != (du0 < dui)) DRAWPOLY_MATH_BULLSHIT(du0);
if ((du1 < duj) != (du1 < dui)) DRAWPOLY_MATH_BULLSHIT(du1);
}
#undef DRAWPOLY_MATH_BULLSHIT
i = j;
}
while (i);
if (nn < 3) continue;
vec2f_t const invtsiz2 = { 1.f / tsiz2.x, 1.f / tsiz2.y };
auto data = GLInterface.AllocVertices(nn);
auto vt = data.second;
for (i = 0; i<nn; ++i, vt++)
{
vec2f_t const o = { uu[i], vv[i] };
vec3f_t const p = { o.x * ngx.d + o.y * ngy.d + ngo.d,
o.x * ngx.u + o.y * ngy.u + ngo.u,
o.x * ngx.v + o.y * ngy.v + ngo.v };
float const r = 1.f/p.d;
//update texcoords
vt->SetTexCoord(
(p.u * r - du0 + uoffs) * invtsiz2.x,
p.v * r * invtsiz2.y);
//update verts
vt->SetVertex(
(o.x - ghalfx) * r * grhalfxdown10x,
(ghalfy - o.y) * r * grhalfxdown10,
r * (1.f / 1024.f));
}
GLInterface.Draw(DT_TRIANGLE_FAN, data.first, nn);
}
}
else
{
vec2f_t const scale = { 1.f / tsiz2.x * hacksc.x, 1.f / tsiz2.y * hacksc.y };
auto data = GLInterface.AllocVertices(npoints);
auto vt = data.second;
for (bssize_t i = 0; i < npoints; ++i, vt++)
{
float const r = 1.f / dd[i];
//update texcoords
vt->SetTexCoord(
uu[i] * r * scale.x,
vv[i] * r * scale.y);
//update verts
vt->SetVertex(
(px[i] - ghalfx) * r * grhalfxdown10x,
(ghalfy - py[i]) * r * grhalfxdown10,
r * (1.f / 1024.f));
}
GLInterface.Draw(DT_TRIANGLE_FAN, data.first, npoints);
}
#ifdef USE_GLEXT
polymost_useDetailMapping(false);
polymost_useGlowMapping(false);
polymost_npotEmulation(false, 1.f, 0.f);
#endif
if (pth->hicr)
{
glMatrixMode(GL_TEXTURE);
glLoadIdentity();
glMatrixMode(GL_MODELVIEW);
}
if (videoGetRenderMode() != REND_POLYMOST)
return;
if (!(pth->flags & PTH_INDEXED))
{
// restore palette usage if we were just rendering a non-indexed color texture
polymost_usePaletteIndexing(true);
}
if (fullbright_pass == 1)
{
int32_t const shade = globalshade;
globalshade = -128;
fullbright_pass = 2;
polymost_setFogEnabled(false);
glDepthFunc(GL_EQUAL);
polymost_drawpoly(dpxy, n, method_);
glDepthFunc(GL_LEQUAL);
if (!nofog)
polymost_setFogEnabled(true);
globalshade = shade;
fullbright_pass = 0;
}
if (skyzbufferhack && skyzbufferhack_pass == 0)
{
vec3d_t const bxtex = xtex, bytex = ytex, botex = otex;
xtex = xtex2, ytex = ytex2, otex = otex2;
skyzbufferhack_pass++;
glColorMask(false, false, false, false);
polymost_drawpoly(dpxy, n, DAMETH_MASK);
glColorMask(true, true, true, true);
xtex = bxtex, ytex = bytex, otex = botex;
skyzbufferhack_pass--;
}
}
static inline void vsp_finalize_init(int32_t const vcnt)
{
for (bssize_t i=0; i<vcnt; ++i)
{
vsp[i].cy[1] = vsp[i+1].cy[0]; vsp[i].ctag = i;
vsp[i].fy[1] = vsp[i+1].fy[0]; vsp[i].ftag = i;
vsp[i].n = i+1; vsp[i].p = i-1;
// vsp[i].tag = -1;
}
vsp[vcnt-1].n = 0; vsp[0].p = vcnt-1;
//VSPMAX-1 is dummy empty node
for (bssize_t i=vcnt; i<VSPMAX; i++) { vsp[i].n = i+1; vsp[i].p = i-1; }
vsp[VSPMAX-1].n = vcnt; vsp[vcnt].p = VSPMAX-1;
}
#ifdef YAX_ENABLE
static inline void yax_vsp_finalize_init(int32_t const yaxbunch, int32_t const vcnt)
{
for (bssize_t i=0; i<vcnt; ++i)
{
yax_vsp[yaxbunch][i].cy[1] = yax_vsp[yaxbunch][i+1].cy[0]; yax_vsp[yaxbunch][i].ctag = i;
yax_vsp[yaxbunch][i].n = i+1; yax_vsp[yaxbunch][i].p = i-1;
// vsp[i].tag = -1;
}
yax_vsp[yaxbunch][vcnt-1].n = 0; yax_vsp[yaxbunch][0].p = vcnt-1;
//VSPMAX-1 is dummy empty node
for (bssize_t i=vcnt; i<VSPMAX; i++) { yax_vsp[yaxbunch][i].n = i+1; yax_vsp[yaxbunch][i].p = i-1; }
yax_vsp[yaxbunch][VSPMAX-1].n = vcnt; yax_vsp[yaxbunch][vcnt].p = VSPMAX-1;
}
#endif
#define COMBINE_STRIPS
#ifdef COMBINE_STRIPS
static inline void vsdel(int32_t const i)
{
//Delete i
int const pi = vsp[i].p;
int const ni = vsp[i].n;
vsp[ni].p = pi;
vsp[pi].n = ni;
//Add i to empty list
vsp[i].n = vsp[VSPMAX-1].n;
vsp[i].p = VSPMAX-1;
vsp[vsp[VSPMAX-1].n].p = i;
vsp[VSPMAX-1].n = i;
}
# ifdef YAX_ENABLE
static inline void yax_vsdel(int32_t const yaxbunch, int32_t const i)
{
//Delete i
int const pi = yax_vsp[yaxbunch][i].p;
int const ni = yax_vsp[yaxbunch][i].n;
yax_vsp[yaxbunch][ni].p = pi;
yax_vsp[yaxbunch][pi].n = ni;
//Add i to empty list
yax_vsp[yaxbunch][i].n = yax_vsp[yaxbunch][VSPMAX - 1].n;
yax_vsp[yaxbunch][i].p = VSPMAX - 1;
yax_vsp[yaxbunch][yax_vsp[yaxbunch][VSPMAX - 1].n].p = i;
yax_vsp[yaxbunch][VSPMAX - 1].n = i;
}
# endif
#endif
static inline int32_t vsinsaft(int32_t const i)
{
//i = next element from empty list
int32_t const r = vsp[VSPMAX-1].n;
vsp[vsp[r].n].p = VSPMAX-1;
vsp[VSPMAX-1].n = vsp[r].n;
vsp[r] = vsp[i]; //copy i to r
//insert r after i
vsp[r].p = i; vsp[r].n = vsp[i].n;
vsp[vsp[i].n].p = r; vsp[i].n = r;
return r;
}
#ifdef YAX_ENABLE
static inline int32_t yax_vsinsaft(int32_t const yaxbunch, int32_t const i)
{
//i = next element from empty list
int32_t const r = yax_vsp[yaxbunch][VSPMAX - 1].n;
yax_vsp[yaxbunch][yax_vsp[yaxbunch][r].n].p = VSPMAX - 1;
yax_vsp[yaxbunch][VSPMAX - 1].n = yax_vsp[yaxbunch][r].n;
yax_vsp[yaxbunch][r] = yax_vsp[yaxbunch][i]; //copy i to r
//insert r after i
yax_vsp[yaxbunch][r].p = i; yax_vsp[yaxbunch][r].n = yax_vsp[yaxbunch][i].n;
yax_vsp[yaxbunch][yax_vsp[yaxbunch][i].n].p = r; yax_vsp[yaxbunch][i].n = r;
return r;
}
#endif
static int32_t domostpolymethod = DAMETH_NOMASK;
#define DOMOST_OFFSET .01f
static void polymost_clipmost(vec2f_t *dpxy, int &n, float x0, float x1, float y0top, float y0bot, float y1top, float y1bot)
{
if (y0bot < y0top || y1bot < y1top)
return;
//Clip to (x0,y0top)-(x1,y1top)
vec2f_t dp2[8];
float t0, t1;
int n2 = 0;
t1 = -((dpxy[0].x - x0) * (y1top - y0top) - (dpxy[0].y - y0top) * (x1 - x0));
for (bssize_t i=0; i<n; i++)
{
int j = i + 1;
if (j >= n)
j = 0;
t0 = t1;
t1 = -((dpxy[j].x - x0) * (y1top - y0top) - (dpxy[j].y - y0top) * (x1 - x0));
if (t0 >= 0)
dp2[n2++] = dpxy[i];
if ((t0 >= 0) != (t1 >= 0) && (t0 <= 0) != (t1 <= 0))
{
float const r = t0 / (t0 - t1);
dp2[n2] = { (dpxy[j].x - dpxy[i].x) * r + dpxy[i].x,
(dpxy[j].y - dpxy[i].y) * r + dpxy[i].y };
n2++;
}
}
if (n2 < 3)
{
n = 0;
return;
}
//Clip to (x1,y1bot)-(x0,y0bot)
t1 = -((dp2[0].x - x1) * (y0bot - y1bot) - (dp2[0].y - y1bot) * (x0 - x1));
n = 0;
for (bssize_t i = 0, j = 1; i < n2; j = ++i + 1)
{
if (j >= n2)
j = 0;
t0 = t1;
t1 = -((dp2[j].x - x1) * (y0bot - y1bot) - (dp2[j].y - y1bot) * (x0 - x1));
if (t0 >= 0)
dpxy[n++] = dp2[i];
if ((t0 >= 0) != (t1 >= 0) && (t0 <= 0) != (t1 <= 0))
{
float const r = t0 / (t0 - t1);
dpxy[n] = { (dp2[j].x - dp2[i].x) * r + dp2[i].x,
(dp2[j].y - dp2[i].y) * r + dp2[i].y };
n++;
}
}
if (n < 3)
{
n = 0;
return;
}
}
static void polymost_domost(float x0, float y0, float x1, float y1, float y0top = 0.f, float y0bot = -1.f, float y1top = 0.f, float y1bot = -1.f)
{
int const dir = (x0 < x1);
y0top -= DOMOST_OFFSET;
y1top -= DOMOST_OFFSET;
y0bot += DOMOST_OFFSET;
y1bot += DOMOST_OFFSET;
if (dir) //clip dmost (floor)
{
y0 -= DOMOST_OFFSET;
y1 -= DOMOST_OFFSET;
}
else //clip umost (ceiling)
{
if (x0 == x1) return;
swapfloat(&x0, &x1);
swapfloat(&y0, &y1);
swapfloat(&y0top, &y1top);
swapfloat(&y0bot, &y1bot);
y0 += DOMOST_OFFSET;
y1 += DOMOST_OFFSET; //necessary?
}
x0 -= DOMOST_OFFSET;
x1 += DOMOST_OFFSET;
// Test if span is outside screen bounds
if (x1 < xbl || x0 > xbr)
{
domost_rejectcount++;
return;
}
vec2f_t dm0 = { x0, y0 };
vec2f_t dm1 = { x1, y1 };
float const slop = (dm1.y - dm0.y) / (dm1.x - dm0.x);
if (dm0.x < xbl)
{
dm0.y += slop*(xbl-dm0.x);
dm0.x = xbl;
}
if (dm1.x > xbr)
{
dm1.y += slop*(xbr-dm1.x);
dm1.x = xbr;
}
drawpoly_alpha = 0.f;
drawpoly_blend = 0;
vec2f_t n0, n1;
float spx[4];
int32_t spt[4];
for (bssize_t newi, i=vsp[0].n; i; i=newi)
{
newi = vsp[i].n; n0.x = vsp[i].x; n1.x = vsp[newi].x;
if ((dm0.x >= n1.x) || (n0.x >= dm1.x) || (vsp[i].ctag <= 0)) continue;
float const dx = n1.x-n0.x;
float const cy[2] = { vsp[i].cy[0], vsp[i].fy[0] },
cv[2] = { vsp[i].cy[1]-cy[0], vsp[i].fy[1]-cy[1] };
int scnt = 0;
//Test if left edge requires split (dm0.x,dm0.y) (nx0,cy(0)),<dx,cv(0)>
if ((dm0.x > n0.x) && (dm0.x < n1.x))
{
float const t = (dm0.x-n0.x)*cv[dir] - (dm0.y-cy[dir])*dx;
if (((!dir) && (t < 0.f)) || ((dir) && (t > 0.f)))
{ spx[scnt] = dm0.x; spt[scnt] = -1; scnt++; }
}
//Test for intersection on umost (0) and dmost (1)
float const d[2] = { ((dm0.y - dm1.y) * dx) - ((dm0.x - dm1.x) * cv[0]),
((dm0.y - dm1.y) * dx) - ((dm0.x - dm1.x) * cv[1]) };
float const n[2] = { ((dm0.y - cy[0]) * dx) - ((dm0.x - n0.x) * cv[0]),
((dm0.y - cy[1]) * dx) - ((dm0.x - n0.x) * cv[1]) };
float const fnx[2] = { dm0.x + ((n[0] / d[0]) * (dm1.x - dm0.x)),
dm0.x + ((n[1] / d[1]) * (dm1.x - dm0.x)) };
if ((Bfabsf(d[0]) > Bfabsf(n[0])) && (d[0] * n[0] >= 0.f) && (fnx[0] > n0.x) && (fnx[0] < n1.x))
spx[scnt] = fnx[0], spt[scnt++] = 0;
if ((Bfabsf(d[1]) > Bfabsf(n[1])) && (d[1] * n[1] >= 0.f) && (fnx[1] > n0.x) && (fnx[1] < n1.x))
spx[scnt] = fnx[1], spt[scnt++] = 1;
//Nice hack to avoid full sort later :)
if ((scnt >= 2) && (spx[scnt-1] < spx[scnt-2]))
{
swapfloat(&spx[scnt-1], &spx[scnt-2]);
swaplong(&spt[scnt-1], &spt[scnt-2]);
}
//Test if right edge requires split
if ((dm1.x > n0.x) && (dm1.x < n1.x))
{
float const t = (dm1.x-n0.x)*cv[dir] - (dm1.y-cy[dir])*dx;
if (((!dir) && (t < 0.f)) || ((dir) && (t > 0.f)))
{ spx[scnt] = dm1.x; spt[scnt] = -1; scnt++; }
}
vsp[i].tag = vsp[newi].tag = -1;
float const rdx = 1.f/dx;
for (bssize_t z=0, vcnt=0; z<=scnt; z++,i=vcnt)
{
float t;
if (z == scnt)
goto skip;
t = (spx[z]-n0.x)*rdx;
vcnt = vsinsaft(i);
vsp[i].cy[1] = t*cv[0] + cy[0];
vsp[i].fy[1] = t*cv[1] + cy[1];
vsp[vcnt].x = spx[z];
vsp[vcnt].cy[0] = vsp[i].cy[1];
vsp[vcnt].fy[0] = vsp[i].fy[1];
vsp[vcnt].tag = spt[z];
skip: ;
int32_t const ni = vsp[i].n; if (!ni) continue; //this 'if' fixes many bugs!
float const dx0 = vsp[i].x; if (dm0.x > dx0) continue;
float const dx1 = vsp[ni].x; if (dm1.x < dx1) continue;
n0.y = (dx0-dm0.x)*slop + dm0.y;
n1.y = (dx1-dm0.x)*slop + dm0.y;
// dx0 dx1
// ~ ~
//----------------------------
// t0+=0 t1+=0
// vsp[i].cy[0] vsp[i].cy[1]
//============================
// t0+=1 t1+=3
//============================
// vsp[i].fy[0] vsp[i].fy[1]
// t0+=2 t1+=6
//
// ny0 ? ny1 ?
int k = 4;
if ((vsp[i].tag == 0) || (n0.y <= vsp[i].cy[0]+DOMOST_OFFSET)) k--;
if ((vsp[i].tag == 1) || (n0.y >= vsp[i].fy[0]-DOMOST_OFFSET)) k++;
if ((vsp[ni].tag == 0) || (n1.y <= vsp[i].cy[1]+DOMOST_OFFSET)) k -= 3;
if ((vsp[ni].tag == 1) || (n1.y >= vsp[i].fy[1]-DOMOST_OFFSET)) k += 3;
if (!dir)
{
switch (k)
{
case 4:
case 5:
case 7:
{
#ifdef YAX_ENABLE
if (g_nodraw)
{
if (yax_drawcf != -1)
yax_holecf[yax_drawcf][yax_holencf[yax_drawcf]++] = { dx0, dx1, vsp[i].cy[0], vsp[i].cy[1], n0.y, n1.y };
}
else
#endif
{
vec2f_t dpxy[8] = {
{ dx0, vsp[i].cy[0] }, { dx1, vsp[i].cy[1] }, { dx1, n1.y }, { dx0, n0.y }
};
int n = 4;
polymost_clipmost(dpxy, n, x0, x1, y0top, y0bot, y1top, y1bot);
polymost_drawpoly(dpxy, n, domostpolymethod);
}
vsp[i].cy[0] = n0.y;
vsp[i].cy[1] = n1.y;
vsp[i].ctag = gtag;
}
break;
case 1:
case 2:
{
#ifdef YAX_ENABLE
if (g_nodraw)
{
if (yax_drawcf != -1)
yax_holecf[yax_drawcf][yax_holencf[yax_drawcf]++] = { dx0, dx1, vsp[i].cy[0], vsp[i].cy[1], n0.y, vsp[i].cy[1] };
}
else
#endif
{
vec2f_t dpxy[8] = { { dx0, vsp[i].cy[0] }, { dx1, vsp[i].cy[1] }, { dx0, n0.y } };
int n = 3;
polymost_clipmost(dpxy, n, x0, x1, y0top, y0bot, y1top, y1bot);
polymost_drawpoly(dpxy, n, domostpolymethod);
}
vsp[i].cy[0] = n0.y;
vsp[i].ctag = gtag;
}
break;
case 3:
case 6:
{
#ifdef YAX_ENABLE
if (g_nodraw)
{
if (yax_drawcf != -1)
yax_holecf[yax_drawcf][yax_holencf[yax_drawcf]++] = { dx0, dx1, vsp[i].cy[0], vsp[i].cy[1], vsp[i].cy[0], n1.y };
}
else
#endif
{
vec2f_t dpxy[8] = { { dx0, vsp[i].cy[0] }, { dx1, vsp[i].cy[1] }, { dx1, n1.y } };
int n = 3;
polymost_clipmost(dpxy, n, x0, x1, y0top, y0bot, y1top, y1bot);
polymost_drawpoly(dpxy, n, domostpolymethod);
}
vsp[i].cy[1] = n1.y;
vsp[i].ctag = gtag;
}
break;
case 8:
{
#ifdef YAX_ENABLE
if (g_nodraw)
{
if (yax_drawcf != -1)
yax_holecf[yax_drawcf][yax_holencf[yax_drawcf]++] = { dx0, dx1, vsp[i].cy[0], vsp[i].cy[1], vsp[i].fy[0], vsp[i].fy[1] };
}
else
#endif
{
vec2f_t dpxy[8] = {
{ dx0, vsp[i].cy[0] }, { dx1, vsp[i].cy[1] }, { dx1, vsp[i].fy[1] }, { dx0, vsp[i].fy[0] }
};
int n = 4;
polymost_clipmost(dpxy, n, x0, x1, y0top, y0bot, y1top, y1bot);
polymost_drawpoly(dpxy, n, domostpolymethod);
}
vsp[i].ctag = vsp[i].ftag = -1;
}
default: break;
}
}
else
{
switch (k)
{
case 4:
case 3:
case 1:
{
#ifdef YAX_ENABLE
if (g_nodraw)
{
if (yax_drawcf != -1)
yax_holecf[yax_drawcf][yax_holencf[yax_drawcf]++] = { dx0, dx1, n0.y, n1.y, vsp[i].fy[0], vsp[i].fy[1] };
}
else
#endif
{
vec2f_t dpxy[8] = {
{ dx0, n0.y }, { dx1, n1.y }, { dx1, vsp[i].fy[1] }, { dx0, vsp[i].fy[0] }
};
int n = 4;
polymost_clipmost(dpxy, n, x0, x1, y0top, y0bot, y1top, y1bot);
polymost_drawpoly(dpxy, n, domostpolymethod);
}
vsp[i].fy[0] = n0.y;
vsp[i].fy[1] = n1.y;
vsp[i].ftag = gtag;
}
break;
case 7:
case 6:
{
#ifdef YAX_ENABLE
if (g_nodraw)
{
if (yax_drawcf != -1)
yax_holecf[yax_drawcf][yax_holencf[yax_drawcf]++] = { dx0, dx1, n0.y, vsp[i].fy[1], vsp[i].fy[0], vsp[i].fy[1] };
}
else
#endif
{
vec2f_t dpxy[8] = { { dx0, n0.y }, { dx1, vsp[i].fy[1] }, { dx0, vsp[i].fy[0] } };
int n = 3;
polymost_clipmost(dpxy, n, x0, x1, y0top, y0bot, y1top, y1bot);
polymost_drawpoly(dpxy, n, domostpolymethod);
}
vsp[i].fy[0] = n0.y;
vsp[i].ftag = gtag;
}
break;
case 5:
case 2:
{
#ifdef YAX_ENABLE
if (g_nodraw)
{
if (yax_drawcf != -1)
yax_holecf[yax_drawcf][yax_holencf[yax_drawcf]++] = { dx0, dx1, vsp[i].fy[0], n1.y, vsp[i].fy[0], vsp[i].fy[1] };
}
else
#endif
{
vec2f_t dpxy[8] = { { dx0, vsp[i].fy[0] }, { dx1, n1.y }, { dx1, vsp[i].fy[1] } };
int n = 3;
polymost_clipmost(dpxy, n, x0, x1, y0top, y0bot, y1top, y1bot);
polymost_drawpoly(dpxy, n, domostpolymethod);
}
vsp[i].fy[1] = n1.y;
vsp[i].ftag = gtag;
}
break;
case 0:
{
#ifdef YAX_ENABLE
if (g_nodraw)
{
if (yax_drawcf != -1)
yax_holecf[yax_drawcf][yax_holencf[yax_drawcf]++] = { dx0, dx1, vsp[i].cy[0], vsp[i].cy[1], vsp[i].fy[0], vsp[i].fy[1] };
}
else
#endif
{
vec2f_t dpxy[8] = { { dx0, vsp[i].cy[0] }, { dx1, vsp[i].cy[1] }, { dx1, vsp[i].fy[1] }, { dx0, vsp[i].fy[0] } };
int n = 4;
polymost_clipmost(dpxy, n, x0, x1, y0top, y0bot, y1top, y1bot);
polymost_drawpoly(dpxy, n, domostpolymethod);
}
vsp[i].ctag = vsp[i].ftag = -1;
}
default:
break;
}
}
}
}
gtag++;
//Combine neighboring vertical strips with matching collinear top&bottom edges
//This prevents x-splits from propagating through the entire scan
#ifdef COMBINE_STRIPS
int i = vsp[0].n;
do
{
if ((vsp[i].cy[0] >= vsp[i].fy[0]) && (vsp[i].cy[1] >= vsp[i].fy[1]))
vsp[i].ctag = vsp[i].ftag = -1;
int const ni = vsp[i].n;
if ((vsp[i].ctag == vsp[ni].ctag) && (vsp[i].ftag == vsp[ni].ftag))
{
vsp[i].cy[1] = vsp[ni].cy[1];
vsp[i].fy[1] = vsp[ni].fy[1];
vsdel(ni);
}
else i = ni;
}
while (i);
#endif
}
#ifdef YAX_ENABLE
static void yax_polymost_domost(const int yaxbunch, float x0, float y0, float x1, float y1)
{
int const dir = (x0 < x1);
if (dir) //clip dmost (floor)
{
y0 -= DOMOST_OFFSET;
y1 -= DOMOST_OFFSET;
}
else //clip umost (ceiling)
{
if (x0 == x1) return;
swapfloat(&x0, &x1);
swapfloat(&y0, &y1);
y0 += DOMOST_OFFSET;
y1 += DOMOST_OFFSET; //necessary?
}
// Test if span is outside screen bounds
if (x1 < xbl || x0 > xbr)
{
domost_rejectcount++;
return;
}
vec2f_t dm0 = { x0, y0 };
vec2f_t dm1 = { x1, y1 };
float const slop = (dm1.y - dm0.y) / (dm1.x - dm0.x);
if (dm0.x < xbl)
{
dm0.y += slop*(xbl-dm0.x);
dm0.x = xbl;
}
if (dm1.x > xbr)
{
dm1.y += slop*(xbr-dm1.x);
dm1.x = xbr;
}
vec2f_t n0, n1;
float spx[4];
int32_t spt[4];
for (bssize_t newi, i=yax_vsp[yaxbunch][0].n; i; i=newi)
{
newi = yax_vsp[yaxbunch][i].n; n0.x = yax_vsp[yaxbunch][i].x; n1.x = yax_vsp[yaxbunch][newi].x;
if ((dm0.x >= n1.x) || (n0.x >= dm1.x) || (yax_vsp[yaxbunch][i].ctag <= 0)) continue;
double const dx = double(n1.x)-double(n0.x);
double const cy = yax_vsp[yaxbunch][i].cy[0],
cv = yax_vsp[yaxbunch][i].cy[1]-cy;
int scnt = 0;
//Test if left edge requires split (dm0.x,dm0.y) (nx0,cy(0)),<dx,cv(0)>
if ((dm0.x > n0.x) && (dm0.x < n1.x))
{
double const t = (dm0.x-n0.x)*cv - (dm0.y-cy)*dx;
if (((!dir) && (t <= 0.0)) || ((dir) && (t >= 0.0)))
{ spx[scnt] = dm0.x; spt[scnt] = -1; scnt++; }
}
//Test for intersection on umost (0) and dmost (1)
double const d = ((double(dm0.y) - double(dm1.y)) * dx) - ((double(dm0.x) - double(dm1.x)) * cv);
double const n = ((double(dm0.y) - cy) * dx) - ((double(dm0.x) - double(n0.x)) * cv);
double const fnx = double(dm0.x) + ((n / d) * (double(dm1.x) - double(dm0.x)));
if ((fabs(d) > fabs(n)) && (d * n >= 0.0) && (fnx > n0.x) && (fnx < n1.x))
spx[scnt] = fnx, spt[scnt++] = 0;
//Nice hack to avoid full sort later :)
if ((scnt >= 2) && (spx[scnt-1] < spx[scnt-2]))
{
swapfloat(&spx[scnt-1], &spx[scnt-2]);
swaplong(&spt[scnt-1], &spt[scnt-2]);
}
//Test if right edge requires split
if ((dm1.x > n0.x) && (dm1.x < n1.x))
{
double const t = (double(dm1.x)- double(n0.x))*cv - (double(dm1.y)- double(cy))*dx;
if (((!dir) && (t <= 0.0)) || ((dir) && (t >= 0.0)))
{ spx[scnt] = dm1.x; spt[scnt] = -1; scnt++; }
}
yax_vsp[yaxbunch][i].tag = yax_vsp[yaxbunch][newi].tag = -1;
float const rdx = 1.f/dx;
for (bssize_t z=0, vcnt=0; z<=scnt; z++,i=vcnt)
{
float t;
if (z == scnt)
goto skip;
t = (spx[z]-n0.x)*rdx;
vcnt = yax_vsinsaft(yaxbunch, i);
yax_vsp[yaxbunch][i].cy[1] = t*cv + cy;
yax_vsp[yaxbunch][vcnt].x = spx[z];
yax_vsp[yaxbunch][vcnt].cy[0] = yax_vsp[yaxbunch][i].cy[1];
yax_vsp[yaxbunch][vcnt].tag = spt[z];
skip: ;
int32_t const ni = yax_vsp[yaxbunch][i].n; if (!ni) continue; //this 'if' fixes many bugs!
float const dx0 = yax_vsp[yaxbunch][i].x; if (dm0.x > dx0) continue;
float const dx1 = yax_vsp[yaxbunch][ni].x; if (dm1.x < dx1) continue;
n0.y = (dx0-dm0.x)*slop + dm0.y;
n1.y = (dx1-dm0.x)*slop + dm0.y;
// dx0 dx1
// ~ ~
//----------------------------
// t0+=0 t1+=0
// vsp[i].cy[0] vsp[i].cy[1]
//============================
// t0+=1 t1+=3
//============================
// vsp[i].fy[0] vsp[i].fy[1]
// t0+=2 t1+=6
//
// ny0 ? ny1 ?
int k = 4;
if (!dir)
{
if ((yax_vsp[yaxbunch][i].tag == 0) || (n0.y <= yax_vsp[yaxbunch][i].cy[0]+DOMOST_OFFSET)) k--;
if ((yax_vsp[yaxbunch][ni].tag == 0) || (n1.y <= yax_vsp[yaxbunch][i].cy[1]+DOMOST_OFFSET)) k -= 3;
switch (k)
{
case 4:
{
yax_vsp[yaxbunch][i].cy[0] = n0.y;
yax_vsp[yaxbunch][i].cy[1] = n1.y;
yax_vsp[yaxbunch][i].ctag = gtag;
}
break;
case 1:
case 2:
{
yax_vsp[yaxbunch][i].cy[0] = n0.y;
yax_vsp[yaxbunch][i].ctag = gtag;
}
break;
case 3:
{
yax_vsp[yaxbunch][i].cy[1] = n1.y;
yax_vsp[yaxbunch][i].ctag = gtag;
}
break;
default: break;
}
}
else
{
if ((yax_vsp[yaxbunch][i].tag == 0) || (n0.y >= yax_vsp[yaxbunch][i].cy[0]-DOMOST_OFFSET)) k++;
if ((yax_vsp[yaxbunch][ni].tag == 0) || (n1.y >= yax_vsp[yaxbunch][i].cy[1]-DOMOST_OFFSET)) k += 3;
switch (k)
{
case 4:
{
yax_vsp[yaxbunch][i].cy[0] = n0.y;
yax_vsp[yaxbunch][i].cy[1] = n1.y;
yax_vsp[yaxbunch][i].ctag = gtag;
}
break;
case 7:
case 6:
{
yax_vsp[yaxbunch][i].cy[0] = n0.y;
yax_vsp[yaxbunch][i].ctag = gtag;
}
break;
case 5:
{
yax_vsp[yaxbunch][i].cy[1] = n1.y;
yax_vsp[yaxbunch][i].ctag = gtag;
}
break;
default:
break;
}
}
}
}
gtag++;
//Combine neighboring vertical strips with matching collinear top&bottom edges
//This prevents x-splits from propagating through the entire scan
#ifdef COMBINE_STRIPS
int i = yax_vsp[yaxbunch][0].n;
do
{
int const ni = yax_vsp[yaxbunch][i].n;
if ((yax_vsp[yaxbunch][i].ctag == yax_vsp[yaxbunch][ni].ctag))
{
yax_vsp[yaxbunch][i].cy[1] = yax_vsp[yaxbunch][ni].cy[1];
yax_vsdel(yaxbunch, ni);
}
else i = ni;
}
while (i);
#endif
}
static int32_t should_clip_cfwall(float x0, float y0, float x1, float y1)
{
int const dir = (x0 < x1);
if (dir && yax_globallev >= YAX_MAXDRAWS)
return 1;
if (!dir && yax_globallev <= YAX_MAXDRAWS)
return 1;
if (dir) //clip dmost (floor)
{
y0 -= DOMOST_OFFSET;
y1 -= DOMOST_OFFSET;
}
else //clip umost (ceiling)
{
if (x0 == x1) return 1;
swapfloat(&x0, &x1);
swapfloat(&y0, &y1);
y0 += DOMOST_OFFSET;
y1 += DOMOST_OFFSET; //necessary?
}
x0 -= DOMOST_OFFSET;
x1 += DOMOST_OFFSET;
// Test if span is outside screen bounds
if (x1 < xbl || x0 > xbr)
return 1;
vec2f_t dm0 = { x0, y0 };
vec2f_t dm1 = { x1, y1 };
float const slop = (dm1.y - dm0.y) / (dm1.x - dm0.x);
if (dm0.x < xbl)
{
dm0.y += slop*(xbl-dm0.x);
dm0.x = xbl;
}
if (dm1.x > xbr)
{
dm1.y += slop*(xbr-dm1.x);
dm1.x = xbr;
}
vec2f_t n0, n1;
float spx[6], spcy[6], spfy[6];
int32_t spt[6];
for (bssize_t newi, i=vsp[0].n; i; i=newi)
{
newi = vsp[i].n; n0.x = vsp[i].x; n1.x = vsp[newi].x;
if ((dm0.x >= n1.x) || (n0.x >= dm1.x) || (vsp[i].ctag <= 0)) continue;
float const dx = n1.x-n0.x;
float const cy[2] = { vsp[i].cy[0], vsp[i].fy[0] },
cv[2] = { vsp[i].cy[1]-cy[0], vsp[i].fy[1]-cy[1] };
int scnt = 0;
spx[scnt] = n0.x; spt[scnt] = -1; scnt++;
//Test if left edge requires split (dm0.x,dm0.y) (nx0,cy(0)),<dx,cv(0)>
if ((dm0.x > n0.x) && (dm0.x < n1.x))
{
float const t = (dm0.x-n0.x)*cv[dir] - (dm0.y-cy[dir])*dx;
if (((!dir) && (t < 0.f)) || ((dir) && (t > 0.f)))
{ spx[scnt] = dm0.x; spt[scnt] = -1; scnt++; }
}
//Test for intersection on umost (0) and dmost (1)
float const d[2] = { ((dm0.y - dm1.y) * dx) - ((dm0.x - dm1.x) * cv[0]),
((dm0.y - dm1.y) * dx) - ((dm0.x - dm1.x) * cv[1]) };
float const n[2] = { ((dm0.y - cy[0]) * dx) - ((dm0.x - n0.x) * cv[0]),
((dm0.y - cy[1]) * dx) - ((dm0.x - n0.x) * cv[1]) };
float const fnx[2] = { dm0.x + ((n[0] / d[0]) * (dm1.x - dm0.x)),
dm0.x + ((n[1] / d[1]) * (dm1.x - dm0.x)) };
if ((Bfabsf(d[0]) > Bfabsf(n[0])) && (d[0] * n[0] >= 0.f) && (fnx[0] > n0.x) && (fnx[0] < n1.x))
spx[scnt] = fnx[0], spt[scnt++] = 0;
if ((Bfabsf(d[1]) > Bfabsf(n[1])) && (d[1] * n[1] >= 0.f) && (fnx[1] > n0.x) && (fnx[1] < n1.x))
spx[scnt] = fnx[1], spt[scnt++] = 1;
//Nice hack to avoid full sort later :)
if ((scnt >= 2) && (spx[scnt-1] < spx[scnt-2]))
{
swapfloat(&spx[scnt-1], &spx[scnt-2]);
swaplong(&spx[scnt-1], &spx[scnt-2]);
}
//Test if right edge requires split
if ((dm1.x > n0.x) && (dm1.x < n1.x))
{
float const t = (dm1.x-n0.x)*cv[dir] - (dm1.y-cy[dir])*dx;
if (((!dir) && (t < 0.f)) || ((dir) && (t > 0.f)))
{ spx[scnt] = dm1.x; spt[scnt] = -1; scnt++; }
}
spx[scnt] = n1.x; spt[scnt] = -1; scnt++;
float const rdx = 1.f/dx;
for (bssize_t z=0; z<scnt; z++)
{
float const t = (spx[z]-n0.x)*rdx;
spcy[z] = t*cv[0]+cy[0];
spfy[z] = t*cv[1]+cy[1];
}
for (bssize_t z=0; z<scnt-1; z++)
{
float const dx0 = spx[z];
float const dx1 = spx[z+1];
n0.y = (dx0-dm0.x)*slop + dm0.y;
n1.y = (dx1-dm0.x)*slop + dm0.y;
// dx0 dx1
// ~ ~
//----------------------------
// t0+=0 t1+=0
// vsp[i].cy[0] vsp[i].cy[1]
//============================
// t0+=1 t1+=3
//============================
// vsp[i].fy[0] vsp[i].fy[1]
// t0+=2 t1+=6
//
// ny0 ? ny1 ?
int k = 4;
if (dir)
{
if ((spt[z] == 0) || (n0.y <= spcy[z]+DOMOST_OFFSET)) k--;
if ((spt[z+1] == 0) || (n1.y <= spcy[z+1]+DOMOST_OFFSET)) k -= 3;
if (k != 0)
return 1;
}
else
{
if ((spt[z] == 1) || (n0.y >= spfy[z]-DOMOST_OFFSET)) k++;
if ((spt[z+1] == 1) || (n1.y >= spfy[z+1]-DOMOST_OFFSET)) k += 3;
if (k != 8)
return 1;
}
}
}
return 0;
}
#endif
void polymost_editorfunc(void)
{
const float ratio = (r_usenewaspect ? (fxdim / fydim) / (320.f / 240.f) : 1.f) * (1.f / get_projhack_ratio());
vec3f_t tvect = { (searchx - ghalfx) * ratio,
(searchy - ghoriz) * ratio,
ghalfx };
//Tilt rotation
vec3f_t o = { tvect.x * gctang + tvect.y * gstang, tvect.y * gctang - tvect.x * gstang, tvect.z };
//Up/down rotation
tvect = { o.z * gchang - o.y * gshang,
o.x,
o.y * gchang + o.z * gshang };
//Standard Left/right rotation
vec3_t v = { Blrintf(tvect.x * fcosglobalang - tvect.y * fsinglobalang),
Blrintf(tvect.x * fsinglobalang + tvect.y * fcosglobalang), Blrintf(tvect.z * 16384.f) };
vec3_t vect = { globalposx, globalposy, globalposz };
hitdata_t *hit = &polymost_hitdata;
hitallsprites = 1;
hitscan((const vec3_t *) &vect, globalcursectnum, //Start position
v.x>>10, v.y>>10, v.z>>6, hit, 0xffff0030);
if (hit->sect != -1) // if hitsect is -1, hitscan overflowed somewhere
{
int32_t cz, fz;
getzsofslope(hit->sect, hit->pos.x, hit->pos.y, &cz, &fz);
hitallsprites = 0;
searchsector = hit->sect;
if (hit->pos.z<cz) searchstat = 1;
else if (hit->pos.z>fz) searchstat = 2;
else if (hit->wall >= 0)
{
searchbottomwall = searchwall = hit->wall; searchstat = 0;
if (wall[hit->wall].nextwall >= 0)
{
getzsofslope(wall[hit->wall].nextsector, hit->pos.x, hit->pos.y, &cz, &fz);
if (hit->pos.z > fz)
{
searchisbottom = 1;
if (wall[hit->wall].cstat&2) //'2' bottoms of walls
searchbottomwall = wall[hit->wall].nextwall;
}
else
{
searchisbottom = 0;
if ((hit->pos.z > cz) && (wall[hit->wall].cstat&(16+32))) //masking or 1-way
searchstat = 4;
}
}
}
else if (hit->sprite >= 0) { searchwall = hit->sprite; searchstat = 3; }
else
{
getzsofslope(hit->sect, hit->pos.x, hit->pos.y, &cz, &fz);
if ((hit->pos.z<<1) < cz+fz) searchstat = 1; else searchstat = 2;
//if (vz < 0) searchstat = 1; else searchstat = 2; //Won't work for slopes :/
}
if (preview_mouseaim)
{
if (spritesortcnt == maxspritesonscreen)
spritesortcnt--;
uspritetype *tsp = &tsprite[spritesortcnt];
double dadist, x, y, z;
Bmemcpy(tsp, &hit->pos, sizeof(vec3_t));
x = tsp->x-globalposx; y=tsp->y-globalposy; z=(tsp->z-globalposz)/16.0;
dadist = Bsqrt(x*x + y*y + z*z);
tsp->sectnum = hit->sect;
tsp->picnum = 2523; // CROSSHAIR
tsp->cstat = 128;
if (hit->wall != -1)
{
tsp->cstat |= 16;
int const ang = getangle(wall[hit->wall].x - POINT2(hit->wall).x, wall[hit->wall].y - POINT2(hit->wall).y);
tsp->ang = ang + 512;
vec2_t const offs = { sintable[(ang + 1024) & 2047] >> 11,
sintable[(ang + 512) & 2047] >> 11};
tsp->x -= offs.x;
tsp->y -= offs.y;
}
else if (hit->sprite == -1 && (hit->pos.z == sector[hit->sect].floorz || hit->pos.z == sector[hit->sect].ceilingz))
{
tsp->cstat = 32;
tsp->ang = getangle(hit->pos.x - globalposx, hit->pos.y - globalposy);
}
else if (hit->sprite >= 0)
{
if (sprite[hit->sprite].cstat & 16)
{
tsp->cstat |= 16;
tsp->ang = sprite[hit->sprite].ang;
}
else tsp->ang = (globalang + 1024) & 2047;
vec2_t const offs = { sintable[(tsp->ang + 1536) & 2047] >> 11,
sintable[(tsp->ang + 1024) & 2047] >> 11 };
tsp->x -= offs.x;
tsp->y -= offs.y;
}
static int lastupdate = 0;
static int shd = 30;
static int shdinc = 1;
if (totalclock > lastupdate)
{
shd += shdinc;
if (shd >= 30 || shd <= 0)
{
shdinc = -shdinc;
shd += shdinc;
}
lastupdate = totalclock + 3;
}
tsp->shade = 30-shd;
tsp->owner = MAXSPRITES-1;
tsp->xrepeat = tsp->yrepeat = min(max(1, (int32_t) (dadist*((double)(shd*3)/3200.0))), 255);
tsp->extra = 0;
sprite[tsp->owner].xoffset = sprite[tsp->owner].yoffset = 0;
tspriteptr[spritesortcnt++] = tsp;
}
if ((searchstat == 1 || searchstat == 2) && searchsector >= 0)
{
vec2_t const scrv = { (v.x >> 12), (v.y >> 12) };
vec2_t const scrv_r = { scrv.y, -scrv.x };
walltype const * const wal = &wall[sector[searchsector].wallptr];
uint64_t bestwdistsq = 0x7fffffff;
int32_t bestk = -1;
for (bssize_t k = 0; k < sector[searchsector].wallnum; k++)
{
vec2_t const w1 = { wal[k].x, wal[k].y };
vec2_t const w2 = { wall[wal[k].point2].x, wall[wal[k].point2].y };
vec2_t const w21 = { w1.x - w2.x, w1.y - w2.y };
vec2_t const pw1 = { w1.x - hit->pos.x, w1.y - hit->pos.y };
vec2_t const pw2 = { w2.x - hit->pos.x, w2.y - hit->pos.y };
float w1d = (float)(scrv_r.x * pw1.x + scrv_r.y * pw1.y);
float w2d = (float)-(scrv_r.x * pw2.x + scrv_r.y * pw2.y);
if ((w1d == 0 && w2d == 0) || (w1d < 0 || w2d < 0))
continue;
vec2_t const ptonline = { (int32_t)(w2.x + (w2d / (w1d + w2d)) * w21.x),
(int32_t)(w2.y + (w2d / (w1d + w2d)) * w21.y) };
vec2_t const scrp = { ptonline.x - vect.x, ptonline.y - vect.y };
if (scrv.x * scrp.x + scrv.y * scrp.y <= 0)
continue;
int64_t const t1 = scrp.x;
int64_t const t2 = scrp.y;
uint64_t const wdistsq = t1 * t1 + t2 * t2;
if (wdistsq < bestwdistsq)
{
bestk = k;
bestwdistsq = wdistsq;
}
}
if (bestk >= 0)
searchwall = sector[searchsector].wallptr + bestk;
}
}
searchit = 0;
}
// variables that are set to ceiling- or floor-members, depending
// on which one is processed right now
static int32_t global_cf_z;
static float global_cf_xpanning, global_cf_ypanning, global_cf_heinum;
static int32_t global_cf_shade, global_cf_pal, global_cf_fogpal;
static int32_t (*global_getzofslope_func)(int16_t, int32_t, int32_t);
static void polymost_internal_nonparallaxed(vec2f_t n0, vec2f_t n1, float ryp0, float ryp1, float x0, float x1,
float y0, float y1, int32_t sectnum)
{
int const have_floor = sectnum & MAXSECTORS;
sectnum &= ~MAXSECTORS;
usectortype const * const sec = (usectortype *)&sector[sectnum];
// comments from floor code:
//(singlobalang/-16384*(sx-ghalfx) + 0*(sy-ghoriz) + (cosviewingrangeglobalang/16384)*ghalfx)*d + globalposx = u*16
//(cosglobalang/ 16384*(sx-ghalfx) + 0*(sy-ghoriz) + (sinviewingrangeglobalang/16384)*ghalfx)*d + globalposy = v*16
//( 0*(sx-ghalfx) + 1*(sy-ghoriz) + ( 0)*ghalfx)*d + globalposz/16 = (sec->floorz/16)
float ft[4] = { fglobalposx, fglobalposy, fcosglobalang, fsinglobalang };
if (globalorientation & 64)
{
//relative alignment
vec2_t const xy = { wall[wall[sec->wallptr].point2].x - wall[sec->wallptr].x,
wall[wall[sec->wallptr].point2].y - wall[sec->wallptr].y };
float r;
if (globalorientation & 2)
{
int i = krecipasm(nsqrtasm(uhypsq(xy.x,xy.y)));
r = i * (1.f/1073741824.f);
}
else
{
int i = nsqrtasm(uhypsq(xy.x,xy.y)); if (i == 0) i = 1024; else i = tabledivide32(1048576, i);
r = i * (1.f/1048576.f);
}
vec2f_t const fxy = { xy.x*r, xy.y*r };
ft[0] = ((float)(globalposx - wall[sec->wallptr].x)) * fxy.x + ((float)(globalposy - wall[sec->wallptr].y)) * fxy.y;
ft[1] = ((float)(globalposy - wall[sec->wallptr].y)) * fxy.x - ((float)(globalposx - wall[sec->wallptr].x)) * fxy.y;
ft[2] = fcosglobalang * fxy.x + fsinglobalang * fxy.y;
ft[3] = fsinglobalang * fxy.x - fcosglobalang * fxy.y;
globalorientation ^= (!(globalorientation & 4)) ? 32 : 16;
}
xtex.d = 0;
ytex.d = gxyaspect;
if (!(globalorientation&2) && global_cf_z-globalposz) // PK 2012: don't allow div by zero
ytex.d /= (double)(global_cf_z-globalposz);
otex.d = -ghoriz * ytex.d;
if (globalorientation & 8)
{
ft[0] *= (1.f / 8.f);
ft[1] *= -(1.f / 8.f);
ft[2] *= (1.f / 2097152.f);
ft[3] *= (1.f / 2097152.f);
}
else
{
ft[0] *= (1.f / 16.f);
ft[1] *= -(1.f / 16.f);
ft[2] *= (1.f / 4194304.f);
ft[3] *= (1.f / 4194304.f);
}
xtex.u = ft[3] * -(1.f / 65536.f) * (double)viewingrange;
xtex.v = ft[2] * -(1.f / 65536.f) * (double)viewingrange;
ytex.u = ft[0] * ytex.d;
ytex.v = ft[1] * ytex.d;
otex.u = ft[0] * otex.d;
otex.v = ft[1] * otex.d;
otex.u += (ft[2] - xtex.u) * ghalfx;
otex.v -= (ft[3] + xtex.v) * ghalfx;
//Texture flipping
if (globalorientation&4)
{
swapdouble(&xtex.u, &xtex.v);
swapdouble(&ytex.u, &ytex.v);
swapdouble(&otex.u, &otex.v);
}
if (globalorientation&16) { xtex.u = -xtex.u; ytex.u = -ytex.u; otex.u = -otex.u; }
if (globalorientation&32) { xtex.v = -xtex.v; ytex.v = -ytex.v; otex.v = -otex.v; }
//Texture panning
vec2f_t fxy = { global_cf_xpanning * ((float)(1 << (picsiz[globalpicnum] & 15))) * (1.0f / 256.f),
global_cf_ypanning * ((float)(1 << (picsiz[globalpicnum] >> 4))) * (1.0f / 256.f) };
if ((globalorientation&(2+64)) == (2+64)) //Hack for panning for slopes w/ relative alignment
{
float r = global_cf_heinum * (1.0f / 4096.f);
r = polymost_invsqrt_approximation(r * r + 1);
if (!(globalorientation & 4))
fxy.y *= r;
else
fxy.x *= r;
}
ytex.u += ytex.d*fxy.x; otex.u += otex.d*fxy.x;
ytex.v += ytex.d*fxy.y; otex.v += otex.d*fxy.y;
if (globalorientation&2) //slopes
{
//Pick some point guaranteed to be not collinear to the 1st two points
vec2f_t dxy = { n1.y - n0.y, n0.x - n1.x };
float const dxyr = polymost_invsqrt_approximation(dxy.x * dxy.x + dxy.y * dxy.y);
dxy.x *= dxyr * 4096.f;
dxy.y *= dxyr * 4096.f;
vec2f_t const oxy = { n0.x + dxy.x, n0.y + dxy.y };
float const ox2 = (oxy.y - fglobalposy) * gcosang - (oxy.x - fglobalposx) * gsinang;
float oy2 = 1.f / ((oxy.x - fglobalposx) * gcosang2 + (oxy.y - fglobalposy) * gsinang2);
double const px[3] = { x0, x1, (double)ghalfx * ox2 * oy2 + ghalfx };
oy2 *= gyxscale;
double py[3] = { ryp0 + (double)ghoriz, ryp1 + (double)ghoriz, oy2 + (double)ghoriz };
vec3d_t const duv[3] = {
{ (px[0] * xtex.d + py[0] * ytex.d + otex.d),
(px[0] * xtex.u + py[0] * ytex.u + otex.u),
(px[0] * xtex.v + py[0] * ytex.v + otex.v)
},
{ (px[1] * xtex.d + py[1] * ytex.d + otex.d),
(px[1] * xtex.u + py[1] * ytex.u + otex.u),
(px[1] * xtex.v + py[1] * ytex.v + otex.v)
},
{ (px[2] * xtex.d + py[2] * ytex.d + otex.d),
(px[2] * xtex.u + py[2] * ytex.u + otex.u),
(px[2] * xtex.v + py[2] * ytex.v + otex.v)
}
};
py[0] = y0;
py[1] = y1;
py[2] = double(global_getzofslope_func(sectnum, Blrintf(oxy.x), Blrintf(oxy.y)) - globalposz) * oy2 + ghoriz;
vec3f_t oxyz[2] = { { (float)(py[1] - py[2]), (float)(py[2] - py[0]), (float)(py[0] - py[1]) },
{ (float)(px[2] - px[1]), (float)(px[0] - px[2]), (float)(px[1] - px[0]) } };
float const r = 1.f / (oxyz[0].x * px[0] + oxyz[0].y * px[1] + oxyz[0].z * px[2]);
xtex.d = (oxyz[0].x * duv[0].d + oxyz[0].y * duv[1].d + oxyz[0].z * duv[2].d) * r;
xtex.u = (oxyz[0].x * duv[0].u + oxyz[0].y * duv[1].u + oxyz[0].z * duv[2].u) * r;
xtex.v = (oxyz[0].x * duv[0].v + oxyz[0].y * duv[1].v + oxyz[0].z * duv[2].v) * r;
ytex.d = (oxyz[1].x * duv[0].d + oxyz[1].y * duv[1].d + oxyz[1].z * duv[2].d) * r;
ytex.u = (oxyz[1].x * duv[0].u + oxyz[1].y * duv[1].u + oxyz[1].z * duv[2].u) * r;
ytex.v = (oxyz[1].x * duv[0].v + oxyz[1].y * duv[1].v + oxyz[1].z * duv[2].v) * r;
otex.d = duv[0].d - px[0] * xtex.d - py[0] * ytex.d;
otex.u = duv[0].u - px[0] * xtex.u - py[0] * ytex.u;
otex.v = duv[0].v - px[0] * xtex.v - py[0] * ytex.v;
if (globalorientation&64) //Hack for relative alignment on slopes
{
float r = global_cf_heinum * (1.0f / 4096.f);
r = Bsqrtf(r*r+1);
if (!(globalorientation&4)) { xtex.v *= r; ytex.v *= r; otex.v *= r; }
else { xtex.u *= r; ytex.u *= r; otex.u *= r; }
}
}
domostpolymethod = (globalorientation>>7) & DAMETH_MASKPROPS;
pow2xsplit = 0;
drawpoly_alpha = 0.f;
drawpoly_blend = 0;
//if ((usehightile && hicfindsubst(globalpicnum, globalpal, hictinting[globalpal].f & HICTINT_ALWAYSUSEART)))
calc_and_apply_fog(fogshade(global_cf_shade, global_cf_pal), sec->visibility, POLYMOST_CHOOSE_FOG_PAL(global_cf_fogpal, global_cf_pal));
if (have_floor)
{
if (globalposz > getflorzofslope(sectnum, globalposx, globalposy))
domostpolymethod = DAMETH_BACKFACECULL; //Back-face culling
if (domostpolymethod & DAMETH_MASKPROPS)
glEnable(GL_BLEND);
polymost_domost(x0, y0, x1, y1); //flor
}
else
{
if (globalposz < getceilzofslope(sectnum, globalposx, globalposy))
domostpolymethod = DAMETH_BACKFACECULL; //Back-face culling
if (domostpolymethod & DAMETH_MASKPROPS)
glEnable(GL_BLEND);
polymost_domost(x1, y1, x0, y0); //ceil
}
if (domostpolymethod & DAMETH_MASKPROPS)
glDisable(GL_BLEND);
domostpolymethod = DAMETH_NOMASK;
}
static void calc_ypanning(int32_t refposz, float ryp0, float ryp1,
float x0, float x1, uint8_t ypan, uint8_t yrepeat,
int32_t dopancor)
{
float const t0 = ((float)(refposz-globalposz))*ryp0 + ghoriz;
float const t1 = ((float)(refposz-globalposz))*ryp1 + ghoriz;
float t = (float(xtex.d*x0 + otex.d) * (float)yrepeat) / ((x1-x0) * ryp0 * 2048.f);
int i = (1<<(picsiz[globalpicnum]>>4));
if (i < tilesiz[globalpicnum].y) i <<= 1;
#ifdef NEW_MAP_FORMAT
if (g_loadedMapVersion >= 10)
i = tilesiz[globalpicnum].y;
else
#endif
if (polymost_is_npotmode())
{
t *= (float)tilesiz[globalpicnum].y / i;
i = tilesiz[globalpicnum].y;
}
else if (!(glinfo.texnpot && r_npotwallmode == 2) && dopancor)
{
// Carry out panning "correction" to make it look like classic in some
// cases, but failing in the general case.
int32_t yoffs = Blrintf((i-tilesiz[globalpicnum].y)*(255.f/i));
if (ypan > 256-yoffs)
ypan -= yoffs;
}
float const fy = (float)(ypan * i) * (1.f / 256.f);
xtex.v = double(t0 - t1) * t;
ytex.v = double(x1 - x0) * t;
otex.v = -xtex.v * x0 - ytex.v * t0 + fy * otex.d;
xtex.v += fy * xtex.d;
ytex.v += fy * ytex.d;
}
static inline int32_t testvisiblemost(float const x0, float const x1)
{
for (bssize_t i=vsp[0].n, newi; i; i=newi)
{
newi = vsp[i].n;
if ((x0 < vsp[newi].x) && (vsp[i].x < x1) && (vsp[i].ctag >= 0))
return 1;
}
return 0;
}
static inline int polymost_getclosestpointonwall(vec2_t const * const pos, int32_t dawall, vec2_t * const n)
{
vec2_t const w = { wall[dawall].x, wall[dawall].y };
vec2_t const d = { POINT2(dawall).x - w.x, POINT2(dawall).y - w.y };
int64_t i = d.x * ((int64_t)pos->x - w.x) + d.y * ((int64_t)pos->y - w.y);
if (i < 0)
return 1;
int64_t const j = (int64_t)d.x * d.x + (int64_t)d.y * d.y;
if (i > j)
return 1;
i = tabledivide64((i << 15), j) << 15;
n->x = w.x + ((d.x * i) >> 30);
n->y = w.y + ((d.y * i) >> 30);
return 0;
}
static void polymost_drawalls(int32_t const bunch)
{
drawpoly_alpha = 0.f;
drawpoly_blend = 0;
int32_t const sectnum = thesector[bunchfirst[bunch]];
usectortype const * const sec = (usectortype *)&sector[sectnum];
float const fglobalang = fix16_to_float(qglobalang);
//DRAW WALLS SECTION!
for (bssize_t z=bunchfirst[bunch]; z>=0; z=bunchp2[z])
{
int32_t const wallnum = thewall[z];
auto const wal = (uwalltype *)&wall[wallnum];
auto const wal2 = (uwalltype *)&wall[wal->point2];
int32_t const nextsectnum = wal->nextsector;
auto const nextsec = nextsectnum>=0 ? (usectortype *)&sector[nextsectnum] : NULL;
//Offset&Rotate 3D coordinates to screen 3D space
vec2f_t walpos = { (float)(wal->x-globalposx), (float)(wal->y-globalposy) };
vec2f_t p0 = { walpos.y * gcosang - walpos.x * gsinang, walpos.x * gcosang2 + walpos.y * gsinang2 };
vec2f_t const op0 = p0;
walpos = { (float)(wal2->x - globalposx),
(float)(wal2->y - globalposy) };
vec2f_t p1 = { walpos.y * gcosang - walpos.x * gsinang, walpos.x * gcosang2 + walpos.y * gsinang2 };
//Clip to close parallel-screen plane
vec2f_t n0, n1;
float t0, t1;
if (p0.y < SCISDIST)
{
if (p1.y < SCISDIST) continue;
t0 = (SCISDIST-p0.y)/(p1.y-p0.y);
p0 = { (p1.x-p0.x)*t0+p0.x, SCISDIST };
n0 = { (wal2->x-wal->x)*t0+wal->x,
(wal2->y-wal->y)*t0+wal->y };
}
else
{
t0 = 0.f;
n0 = { (float)wal->x, (float)wal->y };
}
if (p1.y < SCISDIST)
{
t1 = (SCISDIST-op0.y)/(p1.y-op0.y);
p1 = { (p1.x-op0.x)*t1+op0.x, SCISDIST };
n1 = { (wal2->x-wal->x)*t1+wal->x,
(wal2->y-wal->y)*t1+wal->y };
}
else
{
t1 = 1.f;
n1 = { (float)wal2->x, (float)wal2->y };
}
float ryp0 = 1.f/p0.y, ryp1 = 1.f/p1.y;
//Generate screen coordinates for front side of wall
float const x0 = ghalfx*p0.x*ryp0 + ghalfx, x1 = ghalfx*p1.x*ryp1 + ghalfx;
if (x1 <= x0) continue;
ryp0 *= gyxscale; ryp1 *= gyxscale;
int32_t cz, fz;
getzsofslope(sectnum,/*Blrintf(nx0)*/(int)n0.x,/*Blrintf(ny0)*/(int)n0.y,&cz,&fz);
float const cy0 = ((float)(cz-globalposz))*ryp0 + ghoriz, fy0 = ((float)(fz-globalposz))*ryp0 + ghoriz;
getzsofslope(sectnum,/*Blrintf(nx1)*/(int)n1.x,/*Blrintf(ny1)*/(int)n1.y,&cz,&fz);
float const cy1 = ((float)(cz-globalposz))*ryp1 + ghoriz, fy1 = ((float)(fz-globalposz))*ryp1 + ghoriz;
xtex2.d = (ryp0 - ryp1)*gxyaspect / (x0 - x1);
ytex2.d = 0;
otex2.d = ryp0 * gxyaspect - xtex2.d*x0;
xtex2.u = ytex2.u = otex2.u = 0;
xtex2.v = ytex2.v = otex2.v = 0;
#ifdef YAX_ENABLE
yax_holencf[YAX_FLOOR] = 0;
yax_drawcf = YAX_FLOOR;
#endif
// Floor
globalpicnum = sec->floorpicnum;
globalshade = sec->floorshade;
globalpal = sec->floorpal;
globalorientation = sec->floorstat;
globvis = (sector[sectnum].visibility != 0) ?
mulscale4(globalcisibility, (uint8_t)(sector[sectnum].visibility + 16)) :
globalcisibility;
globvis2 = (sector[sectnum].visibility != 0) ?
mulscale4(globalcisibility2, (uint8_t)(sector[sectnum].visibility + 16)) :
globalcisibility2;
polymost_setVisibility(globvis2);
DO_TILE_ANIM(globalpicnum, sectnum);
int32_t dapyscale, dapskybits, dapyoffs, daptileyscale;
int8_t const * dapskyoff = getpsky(globalpicnum, &dapyscale, &dapskybits, &dapyoffs, &daptileyscale);
global_cf_fogpal = sec->fogpal;
global_cf_shade = sec->floorshade, global_cf_pal = sec->floorpal; global_cf_z = sec->floorz; // REFACT
global_cf_xpanning = sec->floorxpanning; global_cf_ypanning = sec->floorypanning, global_cf_heinum = sec->floorheinum;
global_getzofslope_func = &getflorzofslope;
if (globalpicnum >= r_rortexture && globalpicnum < r_rortexture + r_rortexturerange && r_rorphase == 0)
{
xtex.d = (ryp0-ryp1)*gxyaspect / (x0-x1);
ytex.d = 0;
otex.d = ryp0*gxyaspect - xtex.d*x0;
xtex.u = ytex.u = otex.u = 0;
xtex.v = ytex.v = otex.v = 0;
polymost_domost(x0, fy0, x1, fy1);
}
else if (!(globalorientation&1))
{
int32_t fz = getflorzofslope(sectnum, globalposx, globalposy);
if (globalposz <= fz)
polymost_internal_nonparallaxed(n0, n1, ryp0, ryp1, x0, x1, fy0, fy1, sectnum | MAXSECTORS);
}
else if ((nextsectnum < 0) || (!(sector[nextsectnum].floorstat&1)))
{
//Parallaxing sky... hacked for Ken's mountain texture
//if ((usehightile && hicfindsubst(globalpicnum, globalpal, hictinting[globalpal].f & HICTINT_ALWAYSUSEART)))
calc_and_apply_fog_factor(sec->floorshade, sec->visibility, sec->floorpal, 0.005f);
globvis2 = globalpisibility;
if (sec->visibility != 0)
globvis2 = mulscale4(globvis2, (uint8_t)(sec->visibility + 16));
float viscale = xdimscale*fxdimen*(.0000001f/256.f);
polymost_setVisibility(globvis2*viscale);
//Use clamping for tiled sky textures
//(don't wrap around edges if the sky use multiple panels)
for (bssize_t i=(1<<dapskybits)-1; i>0; i--)
if (dapskyoff[i] != dapskyoff[i-1])
{ skyclamphack = r_parallaxskyclamping; break; }
skyzbufferhack = 1;
if (!usehightile || !hicfindskybox(globalpicnum, globalpal))
{
float const ghorizbak = ghoriz;
if (r_yshearing)
ghoriz = (qglobalhoriz*(1.f/65536.f)-float(ydimen>>1))*(dapyscale-65536.f)*(1.f/65536.f)+float(ydimen>>1);
float const dd = fxdimen*.0000001f; //Adjust sky depth based on screen size!
float vv[2];
float t = (float)((1<<(picsiz[globalpicnum]&15))<<dapskybits);
vv[1] = dd*((float)xdimscale*fviewingrange) * (1.f/(daptileyscale*65536.f));
vv[0] = dd*((float)((tilesiz[globalpicnum].y>>1)+dapyoffs)) - vv[1]*ghoriz;
int i = (1<<(picsiz[globalpicnum]>>4)); if (i != tilesiz[globalpicnum].y) i += i;
vec3f_t o;
if (playing_rr || ((tilesiz[globalpicnum].y * daptileyscale * (1.f/65536.f)) > 256))
{
//Hack to draw black rectangle below sky when looking down...
xtex.d = xtex.u = xtex.v = 0;
ytex.d = gxyaspect * (1.0 / 262144.0);
ytex.u = 0;
ytex.v = double(tilesiz[globalpicnum].y - 1) * ytex.d;
otex.d = -ghoriz * ytex.d;
otex.u = 0;
otex.v = double(tilesiz[globalpicnum].y - 1) * otex.d;
o.y = ((float)tilesiz[globalpicnum].y*dd-vv[0])/vv[1];
if ((o.y > fy0) && (o.y > fy1))
polymost_domost(x0,o.y,x1,o.y);
else if ((o.y > fy0) != (o.y > fy1))
{
// fy0 fy1
// \ /
//oy---------- oy----------
// \ /
// fy1 fy0
o.x = (o.y-fy0)*(x1-x0)/(fy1-fy0) + x0;
if (o.y > fy0)
{
polymost_domost(x0,o.y,o.x,o.y);
polymost_domost(o.x,o.y,x1,fy1);
}
else
{
polymost_domost(x0,fy0,o.x,o.y);
polymost_domost(o.x,o.y,x1,o.y);
}
}
else
polymost_domost(x0,fy0,x1,fy1);
}
else
skyclamphack = 0;
xtex.d = xtex.v = 0;
ytex.d = ytex.u = 0;
otex.d = dd;
xtex.u = otex.d * (t * double(((uint64_t)xdimscale * yxaspect) * viewingrange)) *
(1.0 / (16384.0 * 65536.0 * 65536.0 * 5.0 * 1024.0));
ytex.v = vv[1];
otex.v = r_parallaxskypanning ? vv[0] + dd*(float)sec->floorypanning*(float)i*(1.f/256.f) : vv[0];
int const npot = (1 << (picsiz[globalpicnum] & 15)) != tilesiz[globalpicnum].x;
i = globalpicnum;
float const r = (fy1-fy0)/(x1-x0); //slope of line
o.y = fviewingrange/(ghalfx*256.f); o.z = 1.f/o.y;
int y = ((int32_t)(((x0-ghalfx)*o.y)+fglobalang)>>(11-dapskybits));
float fx = x0;
do
{
globalpicnum = dapskyoff[y&((1<<dapskybits)-1)]+i;
if (!npot)
otex.u = otex.d*(t*((float)(fglobalang-(y<<(11-dapskybits)))) * (1.f/2048.f) + (float)((r_parallaxskypanning)?sec->floorxpanning:0)) - xtex.u*ghalfx;
else
{
int32_t picbits = picsiz[globalpicnum]&15;
int32_t np2 = tilesiz[globalpicnum].x != (1<<picbits);
otex.u = otex.d*(t*((float)(fglobalang-(np2 ? 0 : (y<<(11-dapskybits))))) * (1.f/2048.f) + (float)((r_parallaxskypanning)?sec->floorxpanning:0)) - xtex.u*ghalfx;
}
y++;
o.x = fx; fx = ((float)((y<<(11-dapskybits))-fglobalang))*o.z+ghalfx;
if (fx > x1) { fx = x1; i = -1; }
pow2xsplit = 0; polymost_domost(o.x,(o.x-x0)*r+fy0,fx,(fx-x0)*r+fy0); //flor
}
while (i >= 0);
ghoriz = ghorizbak;
}
else //NOTE: code copied from ceiling code... lots of duplicated stuff :/
{
//Skybox code for parallax floor!
float sky_t0, sky_t1; // _nx0, _ny0, _nx1, _ny1;
float sky_ryp0, sky_ryp1, sky_x0, sky_x1, sky_cy0, sky_fy0, sky_cy1, sky_fy1, sky_ox0, sky_ox1;
static vec2f_t const skywal[4] = { { -512, -512 }, { 512, -512 }, { 512, 512 }, { -512, 512 } };
pow2xsplit = 0;
skyclamphack = 1;
for (bssize_t i=0; i<4; i++)
{
walpos = skywal[i&3];
vec2f_t skyp0 = { walpos.y * gcosang - walpos.x * gsinang,
walpos.x * gcosang2 + walpos.y * gsinang2 };
walpos = skywal[(i + 1) & 3];
vec2f_t skyp1 = { walpos.y * gcosang - walpos.x * gsinang,
walpos.x * gcosang2 + walpos.y * gsinang2 };
vec2f_t const oskyp0 = skyp0;
//Clip to close parallel-screen plane
if (skyp0.y < SCISDIST)
{
if (skyp1.y < SCISDIST) continue;
sky_t0 = (SCISDIST - skyp0.y) / (skyp1.y - skyp0.y);
skyp0 = { (skyp1.x - skyp0.x) * sky_t0 + skyp0.x, SCISDIST };
}
else { sky_t0 = 0.f; }
if (skyp1.y < SCISDIST)
{
sky_t1 = (SCISDIST - oskyp0.y) / (skyp1.y - oskyp0.y);
skyp1 = { (skyp1.x - oskyp0.x) * sky_t1 + oskyp0.x, SCISDIST };
}
else { sky_t1 = 1.f; }
sky_ryp0 = 1.f/skyp0.y; sky_ryp1 = 1.f/skyp1.y;
//Generate screen coordinates for front side of wall
sky_x0 = ghalfx*skyp0.x*sky_ryp0 + ghalfx;
sky_x1 = ghalfx*skyp1.x*sky_ryp1 + ghalfx;
if ((sky_x1 <= sky_x0) || (sky_x0 >= x1) || (x0 >= sky_x1)) continue;
sky_ryp0 *= gyxscale; sky_ryp1 *= gyxscale;
sky_cy0 = -8192.f*sky_ryp0 + ghoriz;
sky_fy0 = 8192.f*sky_ryp0 + ghoriz;
sky_cy1 = -8192.f*sky_ryp1 + ghoriz;
sky_fy1 = 8192.f*sky_ryp1 + ghoriz;
sky_ox0 = sky_x0; sky_ox1 = sky_x1;
//Make sure: x0<=_x0<_x1<=x1
float nfy[2] = { fy0, fy1 };
if (sky_x0 < x0)
{
float const t = (x0-sky_x0)/(sky_x1-sky_x0);
sky_cy0 += (sky_cy1-sky_cy0)*t;
sky_fy0 += (sky_fy1-sky_fy0)*t;
sky_x0 = x0;
}
else if (sky_x0 > x0) nfy[0] += (sky_x0-x0)*(fy1-fy0)/(x1-x0);
if (sky_x1 > x1)
{
float const t = (x1-sky_x1)/(sky_x1-sky_x0);
sky_cy1 += (sky_cy1-sky_cy0)*t;
sky_fy1 += (sky_fy1-sky_fy0)*t;
sky_x1 = x1;
}
else if (sky_x1 < x1) nfy[1] += (sky_x1-x1)*(fy1-fy0)/(x1-x0);
// (skybox floor)
//(_x0,_fy0)-(_x1,_fy1)
// (skybox wall)
//(_x0,_cy0)-(_x1,_cy1)
// (skybox ceiling)
//(_x0,nfy0)-(_x1,nfy1)
//floor of skybox
drawingskybox = 6; //floor/6th texture/index 5 of skybox
float const ft[4] = { 512 / 16, 512 / -16, fcosglobalang * (1.f / 2147483648.f),
fsinglobalang * (1.f / 2147483648.f) };
xtex.d = 0;
ytex.d = gxyaspect*(1.0/4194304.0);
otex.d = -ghoriz*ytex.d;
xtex.u = ft[3]*fviewingrange*(-1.0/65536.0);
xtex.v = ft[2]*fviewingrange*(-1.0/65536.0);
ytex.u = ft[0]*ytex.d; ytex.v = ft[1]*ytex.d;
otex.u = ft[0]*otex.d; otex.v = ft[1]*otex.d;
otex.u += (ft[2]-xtex.u)*ghalfx;
otex.v -= (ft[3]+xtex.v)*ghalfx;
xtex.v = -xtex.v; ytex.v = -ytex.v; otex.v = -otex.v; //y-flip skybox floor
if ((sky_fy0 > nfy[0]) && (sky_fy1 > nfy[1]))
polymost_domost(sky_x0,sky_fy0,sky_x1,sky_fy1);
else if ((sky_fy0 > nfy[0]) != (sky_fy1 > nfy[1]))
{
//(ox,oy) is intersection of: (_x0,_fy0)-(_x1,_fy1)
// (_x0,nfy0)-(_x1,nfy1)
float const t = (sky_fy0-nfy[0])/(nfy[1]-nfy[0]-sky_fy1+sky_fy0);
vec2f_t const o = { sky_x0 + (sky_x1-sky_x0)*t, sky_fy0 + (sky_fy1-sky_fy0)*t };
if (nfy[0] > sky_fy0)
{
polymost_domost(sky_x0,nfy[0],o.x,o.y);
polymost_domost(o.x,o.y,sky_x1,sky_fy1);
}
else
{
polymost_domost(sky_x0,sky_fy0,o.x,o.y);
polymost_domost(o.x,o.y,sky_x1,nfy[1]);
}
}
else
polymost_domost(sky_x0,nfy[0],sky_x1,nfy[1]);
//wall of skybox
drawingskybox = i+1; //i+1th texture/index i of skybox
xtex.d = (sky_ryp0-sky_ryp1)*gxyaspect*(1.0/512.0) / (sky_ox0-sky_ox1);
ytex.d = 0;
otex.d = sky_ryp0*gxyaspect*(1.0/512.0) - xtex.d*sky_ox0;
xtex.u = (sky_t0*sky_ryp0 - sky_t1*sky_ryp1)*gxyaspect*(64.0/512.0) / (sky_ox0-sky_ox1);
otex.u = sky_t0*sky_ryp0*gxyaspect*(64.0/512.0) - xtex.u*sky_ox0;
ytex.u = 0;
sky_t0 = -8192.f*sky_ryp0 + ghoriz;
sky_t1 = -8192.f*sky_ryp1 + ghoriz;
float const t = ((xtex.d*sky_ox0 + otex.d)*8.f) / ((sky_ox1-sky_ox0) * sky_ryp0 * 2048.f);
xtex.v = (sky_t0-sky_t1)*t;
ytex.v = (sky_ox1-sky_ox0)*t;
otex.v = -xtex.v*sky_ox0 - ytex.v*sky_t0;
if ((sky_cy0 > nfy[0]) && (sky_cy1 > nfy[1]))
polymost_domost(sky_x0,sky_cy0,sky_x1,sky_cy1);
else if ((sky_cy0 > nfy[0]) != (sky_cy1 > nfy[1]))
{
//(ox,oy) is intersection of: (_x0,_fy0)-(_x1,_fy1)
// (_x0,nfy0)-(_x1,nfy1)
float const t = (sky_cy0-nfy[0])/(nfy[1]-nfy[0]-sky_cy1+sky_cy0);
vec2f_t const o = { sky_x0 + (sky_x1 - sky_x0) * t, sky_cy0 + (sky_cy1 - sky_cy0) * t };
if (nfy[0] > sky_cy0)
{
polymost_domost(sky_x0,nfy[0],o.x,o.y);
polymost_domost(o.x,o.y,sky_x1,sky_cy1);
}
else
{
polymost_domost(sky_x0,sky_cy0,o.x,o.y);
polymost_domost(o.x,o.y,sky_x1,nfy[1]);
}
}
else
polymost_domost(sky_x0,nfy[0],sky_x1,nfy[1]);
}
//Ceiling of skybox
drawingskybox = 5; //ceiling/5th texture/index 4 of skybox
float const ft[4] = { 512 / 16, -512 / -16, fcosglobalang * (1.f / 2147483648.f),
fsinglobalang * (1.f / 2147483648.f) };
xtex.d = 0;
ytex.d = gxyaspect*(-1.0/4194304.0);
otex.d = -ghoriz*ytex.d;
xtex.u = ft[3]*fviewingrange*(-1.0/65536.0);
xtex.v = ft[2]*fviewingrange*(-1.0/65536.0);
ytex.u = ft[0]*ytex.d; ytex.v = ft[1]*ytex.d;
otex.u = ft[0]*otex.d; otex.v = ft[1]*otex.d;
otex.u += (ft[2]-xtex.u)*ghalfx;
otex.v -= (ft[3]+xtex.v)*ghalfx;
polymost_domost(x0,fy0,x1,fy1);
skyclamphack = 0;
drawingskybox = 0;
}
skyclamphack = 0;
skyzbufferhack = 0;
if (!nofog)
polymost_setFogEnabled(true);
}
// Ceiling
#ifdef YAX_ENABLE
yax_holencf[YAX_CEILING] = 0;
yax_drawcf = YAX_CEILING;
#endif
globalpicnum = sec->ceilingpicnum;
globalshade = sec->ceilingshade;
globalpal = sec->ceilingpal;
globalorientation = sec->ceilingstat;
globvis = (sector[sectnum].visibility != 0) ?
mulscale4(globalcisibility, (uint8_t)(sector[sectnum].visibility + 16)) :
globalcisibility;
globvis2 = (sector[sectnum].visibility != 0) ?
mulscale4(globalcisibility2, (uint8_t)(sector[sectnum].visibility + 16)) :
globalcisibility2;
polymost_setVisibility(globvis2);
DO_TILE_ANIM(globalpicnum, sectnum);
dapskyoff = getpsky(globalpicnum, &dapyscale, &dapskybits, &dapyoffs, &daptileyscale);
global_cf_fogpal = sec->fogpal;
global_cf_shade = sec->ceilingshade, global_cf_pal = sec->ceilingpal; global_cf_z = sec->ceilingz; // REFACT
global_cf_xpanning = sec->ceilingxpanning; global_cf_ypanning = sec->ceilingypanning, global_cf_heinum = sec->ceilingheinum;
global_getzofslope_func = &getceilzofslope;
if (globalpicnum >= r_rortexture && globalpicnum < r_rortexture + r_rortexturerange && r_rorphase == 0)
{
xtex.d = (ryp0-ryp1)*gxyaspect / (x0-x1);
ytex.d = 0;
otex.d = ryp0*gxyaspect - xtex.d*x0;
xtex.u = ytex.u = otex.u = 0;
xtex.v = ytex.v = otex.v = 0;
polymost_domost(x1, cy1, x0, cy0);
}
else if (!(globalorientation&1))
{
int32_t cz = getceilzofslope(sectnum, globalposx, globalposy);
if (globalposz >= cz)
polymost_internal_nonparallaxed(n0, n1, ryp0, ryp1, x0, x1, cy0, cy1, sectnum);
}
else if ((nextsectnum < 0) || (!(sector[nextsectnum].ceilingstat&1)))
{
//Parallaxing sky... hacked for Ken's mountain texture
//if ((usehightile && hicfindsubst(globalpicnum, globalpal, hictinting[globalpal].f & HICTINT_ALWAYSUSEART)))
calc_and_apply_fog_factor(sec->ceilingshade, sec->visibility, sec->ceilingpal, 0.005f);
globvis2 = globalpisibility;
if (sec->visibility != 0)
globvis2 = mulscale4(globvis2, (uint8_t)(sec->visibility + 16));
float viscale = xdimscale*fxdimen*(.0000001f/256.f);
polymost_setVisibility(globvis2*viscale);
//Use clamping for tiled sky textures
//(don't wrap around edges if the sky use multiple panels)
for (bssize_t i=(1<<dapskybits)-1; i>0; i--)
if (dapskyoff[i] != dapskyoff[i-1])
{ skyclamphack = r_parallaxskyclamping; break; }
skyzbufferhack = 1;
if (!usehightile || !hicfindskybox(globalpicnum, globalpal))
{
float const ghorizbak = ghoriz;
if (r_yshearing)
ghoriz = (qglobalhoriz*(1.f/65536.f)-float(ydimen>>1))*(dapyscale-65536.f)*(1.f/65536.f)+float(ydimen>>1);
float const dd = fxdimen*.0000001f; //Adjust sky depth based on screen size!
float vv[2];
float t = (float)((1<<(picsiz[globalpicnum]&15))<<dapskybits);
vv[1] = dd*((float)xdimscale*fviewingrange) * (1.f/(daptileyscale*65536.f));
vv[0] = dd*((float)((tilesiz[globalpicnum].y>>1)+dapyoffs)) - vv[1]*ghoriz;
int i = (1<<(picsiz[globalpicnum]>>4)); if (i != tilesiz[globalpicnum].y) i += i;
vec3f_t o;
if (playing_rr || ((tilesiz[globalpicnum].y * daptileyscale * (1.f/65536.f)) > 256))
{
//Hack to draw color rectangle above sky when looking up...
xtex.d = xtex.u = xtex.v = 0;
ytex.d = gxyaspect * (1.0 / -262144.0);
ytex.u = 0;
ytex.v = 0;
otex.d = -ghoriz * ytex.d;
otex.u = 0;
otex.v = 0;
o.y = -vv[0]/vv[1];
if ((o.y < cy0) && (o.y < cy1))
polymost_domost(x1,o.y,x0,o.y);
else if ((o.y < cy0) != (o.y < cy1))
{
/* cy1 cy0
// / \
//oy---------- oy---------
// / \
// cy0 cy1 */
o.x = (o.y-cy0)*(x1-x0)/(cy1-cy0) + x0;
if (o.y < cy0)
{
polymost_domost(o.x,o.y,x0,o.y);
polymost_domost(x1,cy1,o.x,o.y);
}
else
{
polymost_domost(o.x,o.y,x0,cy0);
polymost_domost(x1,o.y,o.x,o.y);
}
}
else
polymost_domost(x1,cy1,x0,cy0);
}
else
skyclamphack = 0;
xtex.d = xtex.v = 0;
ytex.d = ytex.u = 0;
otex.d = dd;
xtex.u = otex.d * (t * double(((uint64_t)xdimscale * yxaspect) * viewingrange)) *
(1.0 / (16384.0 * 65536.0 * 65536.0 * 5.0 * 1024.0));
ytex.v = vv[1];
otex.v = r_parallaxskypanning ? vv[0] + dd*(float)sec->ceilingypanning*(float)i*(1.f/256.f) : vv[0];
int const npot = (1 << (picsiz[globalpicnum] & 15)) != tilesiz[globalpicnum].x;
i = globalpicnum;
float const r = (cy1-cy0)/(x1-x0); //slope of line
o.y = fviewingrange/(ghalfx*256.f); o.z = 1.f/o.y;
int y = ((int32_t)(((x0-ghalfx)*o.y)+fglobalang)>>(11-dapskybits));
float fx = x0;
do
{
globalpicnum = dapskyoff[y&((1<<dapskybits)-1)]+i;
if (!npot)
otex.u = otex.d*(t*((float)(fglobalang-(y<<(11-dapskybits)))) * (1.f/2048.f) + (float)((r_parallaxskypanning)?sec->ceilingxpanning:0)) - xtex.u*ghalfx;
else
{
int32_t picbits = picsiz[globalpicnum]&15;
int32_t np2 = tilesiz[globalpicnum].x != (1<<picbits);
otex.u = otex.d*(t*((float)(fglobalang-(np2 ? 0 : (y<<(11-dapskybits))))) * (1.f/2048.f) + (float)((r_parallaxskypanning)?sec->ceilingxpanning:0)) - xtex.u*ghalfx;
}
y++;
o.x = fx; fx = (((float) (y<<(11-dapskybits))-fglobalang))*o.z+ghalfx;
if (fx > x1) { fx = x1; i = -1; }
pow2xsplit = 0; polymost_domost(fx,(fx-x0)*r+cy0,o.x,(o.x-x0)*r+cy0); //ceil
}
while (i >= 0);
ghoriz = ghorizbak;
}
else
{
//Skybox code for parallax ceiling!
float sky_t0, sky_t1; // _nx0, _ny0, _nx1, _ny1;
float sky_ryp0, sky_ryp1, sky_x0, sky_x1, sky_cy0, sky_fy0, sky_cy1, sky_fy1, sky_ox0, sky_ox1;
static vec2f_t const skywal[4] = { { -512, -512 }, { 512, -512 }, { 512, 512 }, { -512, 512 } };
pow2xsplit = 0;
skyclamphack = 1;
for (bssize_t i=0; i<4; i++)
{
walpos = skywal[i&3];
vec2f_t skyp0 = { walpos.y * gcosang - walpos.x * gsinang,
walpos.x * gcosang2 + walpos.y * gsinang2 };
walpos = skywal[(i + 1) & 3];
vec2f_t skyp1 = { walpos.y * gcosang - walpos.x * gsinang,
walpos.x * gcosang2 + walpos.y * gsinang2 };
vec2f_t const oskyp0 = skyp0;
//Clip to close parallel-screen plane
if (skyp0.y < SCISDIST)
{
if (skyp1.y < SCISDIST) continue;
sky_t0 = (SCISDIST - skyp0.y) / (skyp1.y - skyp0.y);
skyp0 = { (skyp1.x - skyp0.x) * sky_t0 + skyp0.x, SCISDIST };
}
else { sky_t0 = 0.f; }
if (skyp1.y < SCISDIST)
{
sky_t1 = (SCISDIST - oskyp0.y) / (skyp1.y - oskyp0.y);
skyp1 = { (skyp1.x - oskyp0.x) * sky_t1 + oskyp0.x, SCISDIST };
}
else { sky_t1 = 1.f; }
sky_ryp0 = 1.f/skyp0.y; sky_ryp1 = 1.f/skyp1.y;
//Generate screen coordinates for front side of wall
sky_x0 = ghalfx*skyp0.x*sky_ryp0 + ghalfx;
sky_x1 = ghalfx*skyp1.x*sky_ryp1 + ghalfx;
if ((sky_x1 <= sky_x0) || (sky_x0 >= x1) || (x0 >= sky_x1)) continue;
sky_ryp0 *= gyxscale; sky_ryp1 *= gyxscale;
sky_cy0 = -8192.f*sky_ryp0 + ghoriz;
sky_fy0 = 8192.f*sky_ryp0 + ghoriz;
sky_cy1 = -8192.f*sky_ryp1 + ghoriz;
sky_fy1 = 8192.f*sky_ryp1 + ghoriz;
sky_ox0 = sky_x0; sky_ox1 = sky_x1;
//Make sure: x0<=_x0<_x1<=x1
float ncy[2] = { cy0, cy1 };
if (sky_x0 < x0)
{
float const t = (x0-sky_x0)/(sky_x1-sky_x0);
sky_cy0 += (sky_cy1-sky_cy0)*t;
sky_fy0 += (sky_fy1-sky_fy0)*t;
sky_x0 = x0;
}
else if (sky_x0 > x0) ncy[0] += (sky_x0-x0)*(cy1-cy0)/(x1-x0);
if (sky_x1 > x1)
{
float const t = (x1-sky_x1)/(sky_x1-sky_x0);
sky_cy1 += (sky_cy1-sky_cy0)*t;
sky_fy1 += (sky_fy1-sky_fy0)*t;
sky_x1 = x1;
}
else if (sky_x1 < x1) ncy[1] += (sky_x1-x1)*(cy1-cy0)/(x1-x0);
// (skybox ceiling)
//(_x0,_cy0)-(_x1,_cy1)
// (skybox wall)
//(_x0,_fy0)-(_x1,_fy1)
// (skybox floor)
//(_x0,ncy0)-(_x1,ncy1)
//ceiling of skybox
drawingskybox = 5; //ceiling/5th texture/index 4 of skybox
float const ft[4] = { 512 / 16, -512 / -16, fcosglobalang * (1.f / 2147483648.f),
fsinglobalang * (1.f / 2147483648.f) };
xtex.d = 0;
ytex.d = gxyaspect*(-1.0/4194304.0);
otex.d = -ghoriz*ytex.d;
xtex.u = ft[3]*fviewingrange*(-1.0/65536.0);
xtex.v = ft[2]*fviewingrange*(-1.0/65536.0);
ytex.u = ft[0]*ytex.d; ytex.v = ft[1]*ytex.d;
otex.u = ft[0]*otex.d; otex.v = ft[1]*otex.d;
otex.u += (ft[2]-xtex.u)*ghalfx;
otex.v -= (ft[3]+xtex.v)*ghalfx;
if ((sky_cy0 < ncy[0]) && (sky_cy1 < ncy[1]))
polymost_domost(sky_x1,sky_cy1,sky_x0,sky_cy0);
else if ((sky_cy0 < ncy[0]) != (sky_cy1 < ncy[1]))
{
//(ox,oy) is intersection of: (_x0,_cy0)-(_x1,_cy1)
// (_x0,ncy0)-(_x1,ncy1)
float const t = (sky_cy0-ncy[0])/(ncy[1]-ncy[0]-sky_cy1+sky_cy0);
vec2f_t const o = { sky_x0 + (sky_x1-sky_x0)*t, sky_cy0 + (sky_cy1-sky_cy0)*t };
if (ncy[0] < sky_cy0)
{
polymost_domost(o.x,o.y,sky_x0,ncy[0]);
polymost_domost(sky_x1,sky_cy1,o.x,o.y);
}
else
{
polymost_domost(o.x,o.y,sky_x0,sky_cy0);
polymost_domost(sky_x1,ncy[1],o.x,o.y);
}
}
else
polymost_domost(sky_x1,ncy[1],sky_x0,ncy[0]);
//wall of skybox
drawingskybox = i+1; //i+1th texture/index i of skybox
xtex.d = (sky_ryp0-sky_ryp1)*gxyaspect*(1.0/512.0) / (sky_ox0-sky_ox1);
ytex.d = 0;
otex.d = sky_ryp0*gxyaspect*(1.0/512.0) - xtex.d*sky_ox0;
xtex.u = (sky_t0*sky_ryp0 - sky_t1*sky_ryp1)*gxyaspect*(64.0/512.0) / (sky_ox0-sky_ox1);
otex.u = sky_t0*sky_ryp0*gxyaspect*(64.0/512.0) - xtex.u*sky_ox0;
ytex.u = 0;
sky_t0 = -8192.f*sky_ryp0 + ghoriz;
sky_t1 = -8192.f*sky_ryp1 + ghoriz;
float const t = ((xtex.d*sky_ox0 + otex.d)*8.f) / ((sky_ox1-sky_ox0) * sky_ryp0 * 2048.f);
xtex.v = (sky_t0-sky_t1)*t;
ytex.v = (sky_ox1-sky_ox0)*t;
otex.v = -xtex.v*sky_ox0 - ytex.v*sky_t0;
if ((sky_fy0 < ncy[0]) && (sky_fy1 < ncy[1]))
polymost_domost(sky_x1,sky_fy1,sky_x0,sky_fy0);
else if ((sky_fy0 < ncy[0]) != (sky_fy1 < ncy[1]))
{
//(ox,oy) is intersection of: (_x0,_fy0)-(_x1,_fy1)
// (_x0,ncy0)-(_x1,ncy1)
float const t = (sky_fy0-ncy[0])/(ncy[1]-ncy[0]-sky_fy1+sky_fy0);
vec2f_t const o = { sky_x0 + (sky_x1 - sky_x0) * t, sky_fy0 + (sky_fy1 - sky_fy0) * t };
if (ncy[0] < sky_fy0)
{
polymost_domost(o.x,o.y,sky_x0,ncy[0]);
polymost_domost(sky_x1,sky_fy1,o.x,o.y);
}
else
{
polymost_domost(o.x,o.y,sky_x0,sky_fy0);
polymost_domost(sky_x1,ncy[1],o.x,o.y);
}
}
else
polymost_domost(sky_x1,ncy[1],sky_x0,ncy[0]);
}
//Floor of skybox
drawingskybox = 6; //floor/6th texture/index 5 of skybox
float const ft[4] = { 512 / 16, 512 / -16, fcosglobalang * (1.f / 2147483648.f),
fsinglobalang * (1.f / 2147483648.f) };
xtex.d = 0;
ytex.d = gxyaspect*(1.0/4194304.0);
otex.d = -ghoriz*ytex.d;
xtex.u = ft[3]*fviewingrange*(-1.0/65536.0);
xtex.v = ft[2]*fviewingrange*(-1.0/65536.0);
ytex.u = ft[0]*ytex.d; ytex.v = ft[1]*ytex.d;
otex.u = ft[0]*otex.d; otex.v = ft[1]*otex.d;
otex.u += (ft[2]-xtex.u)*ghalfx;
otex.v -= (ft[3]+xtex.v)*ghalfx;
xtex.v = -xtex.v; ytex.v = -ytex.v; otex.v = -otex.v; //y-flip skybox floor
polymost_domost(x1,cy1,x0,cy0);
skyclamphack = 0;
drawingskybox = 0;
}
skyclamphack = 0;
skyzbufferhack = 0;
if (!nofog)
polymost_setFogEnabled(true);
}
#ifdef YAX_ENABLE
if (g_nodraw)
{
int32_t baselevp, checkcf, i, j;
int16_t bn[2];
# if 0
int32_t obunchchk = (1 && yax_globalbunch>=0 &&
haveymost[yax_globalbunch>>3]&(1<<(yax_globalbunch&7)));
// if (obunchchk)
const int32_t x2 = yax_globalbunch*xdimen;
# endif
baselevp = (yax_globallev == YAX_MAXDRAWS);
yax_getbunches(sectnum, &bn[0], &bn[1]);
checkcf = (bn[0]>=0) + ((bn[1]>=0)<<1);
if (!baselevp)
checkcf &= (1<<yax_globalcf);
for (i=0; i<2; i++)
if (checkcf&(1<<i))
{
if ((haveymost[bn[i]>>3]&(1<<(bn[i]&7)))==0)
{
// init yax *most arrays for that bunch
haveymost[bn[i]>>3] |= (1<<(bn[i]&7));
yax_vsp[bn[i]*2][1].x = xbl;
yax_vsp[bn[i]*2][2].x = xbr;
yax_vsp[bn[i]*2][1].cy[0] = xbb;
yax_vsp[bn[i]*2][2].cy[0] = xbb;
yax_vsp_finalize_init(bn[i]*2, 3);
yax_vsp[bn[i]*2+1][1].x = xbl;
yax_vsp[bn[i]*2+1][2].x = xbr;
yax_vsp[bn[i]*2+1][1].cy[0] = xbt;
yax_vsp[bn[i]*2+1][2].cy[0] = xbt;
yax_vsp_finalize_init(bn[i]*2+1, 3);
}
for (j = 0; j < yax_holencf[i]; j++)
{
yax_hole_t *hole = &yax_holecf[i][j];
yax_polymost_domost(bn[i]*2, hole->x0, hole->cy[0], hole->x1, hole->cy[1]);
yax_polymost_domost(bn[i]*2+1, hole->x1, hole->fy[1], hole->x0, hole->fy[0]);
}
}
}
#endif
// Wall
#ifdef YAX_ENABLE
yax_drawcf = -1;
#endif
xtex.d = (ryp0-ryp1)*gxyaspect / (x0-x1);
ytex.d = 0;
otex.d = ryp0*gxyaspect - xtex.d*x0;
xtex.u = (t0*ryp0 - t1*ryp1)*gxyaspect*(float)wal->xrepeat*8.f / (x0-x1);
otex.u = t0*ryp0*gxyaspect*wal->xrepeat*8.0 - xtex.u*x0;
otex.u += (float)wal->xpanning*otex.d;
xtex.u += (float)wal->xpanning*xtex.d;
ytex.u = 0;
float const ogux = xtex.u, oguy = ytex.u, oguo = otex.u;
Bassert(domostpolymethod == DAMETH_NOMASK);
domostpolymethod = DAMETH_WALL;
#ifdef YAX_ENABLE
if (yax_nomaskpass==0 || !yax_isislandwall(wallnum, !yax_globalcf) || (yax_nomaskdidit=1, 0))
#endif
if (nextsectnum >= 0)
{
getzsofslope(nextsectnum,/*Blrintf(nx0)*/(int)n0.x,/*Blrintf(ny0)*/(int)n0.y,&cz,&fz);
float const ocy0 = ((float)(cz-globalposz))*ryp0 + ghoriz;
float const ofy0 = ((float)(fz-globalposz))*ryp0 + ghoriz;
getzsofslope(nextsectnum,/*Blrintf(nx1)*/(int)n1.x,/*Blrintf(ny1)*/(int)n1.y,&cz,&fz);
float const ocy1 = ((float)(cz-globalposz))*ryp1 + ghoriz;
float const ofy1 = ((float)(fz-globalposz))*ryp1 + ghoriz;
if ((wal->cstat&48) == 16) maskwall[maskwallcnt++] = z;
if (((cy0 < ocy0) || (cy1 < ocy1)) && (!((sec->ceilingstat&sector[nextsectnum].ceilingstat)&1)))
{
globalpicnum = wal->picnum; globalshade = wal->shade; globalpal = (int32_t)((uint8_t)wal->pal);
globvis = globalvisibility;
if (sector[sectnum].visibility != 0) globvis = mulscale4(globvis, (uint8_t)(sector[sectnum].visibility+16));
globvis2 = globalvisibility2;
if (sector[sectnum].visibility != 0) globvis2 = mulscale4(globvis2, (uint8_t)(sector[sectnum].visibility+16));
polymost_setVisibility(globvis2);
globalorientation = wal->cstat;
DO_TILE_ANIM(globalpicnum, wallnum+16384);
int i = (!(wal->cstat&4)) ? sector[nextsectnum].ceilingz : sec->ceilingz;
// over
calc_ypanning(i, ryp0, ryp1, x0, x1, wal->ypanning, wal->yrepeat, wal->cstat&4);
if (wal->cstat&8) //xflip
{
float const t = (float)(wal->xrepeat*8 + wal->xpanning*2);
xtex.u = xtex.d*t - xtex.u;
ytex.u = ytex.d*t - ytex.u;
otex.u = otex.d*t - otex.u;
}
if (wal->cstat&256) { xtex.v = -xtex.v; ytex.v = -ytex.v; otex.v = -otex.v; } //yflip
//if ((usehightile && hicfindsubst(globalpicnum, globalpal, hictinting[globalpal].f & HICTINT_ALWAYSUSEART)))
calc_and_apply_fog(fogshade(wal->shade, wal->pal), sec->visibility, get_floor_fogpal(sec));
pow2xsplit = 1;
#ifdef YAX_ENABLE
if (should_clip_cfwall(x1,cy1,x0,cy0))
#endif
polymost_domost(x1,ocy1,x0,ocy0,cy1,ocy1,cy0,ocy0);
if (wal->cstat&8) { xtex.u = ogux; ytex.u = oguy; otex.u = oguo; }
}
if (((ofy0 < fy0) || (ofy1 < fy1)) && (!((sec->floorstat&sector[nextsectnum].floorstat)&1)))
{
uwalltype *nwal;
if (!(wal->cstat&2)) nwal = wal;
else
{
nwal = (uwalltype *)&wall[wal->nextwall];
otex.u += (float)(nwal->xpanning - wal->xpanning) * otex.d;
xtex.u += (float)(nwal->xpanning - wal->xpanning) * xtex.d;
ytex.u += (float)(nwal->xpanning - wal->xpanning) * ytex.d;
}
globalpicnum = nwal->picnum; globalshade = nwal->shade; globalpal = (int32_t)((uint8_t)nwal->pal);
globvis = globalvisibility;
if (sector[sectnum].visibility != 0) globvis = mulscale4(globvis, (uint8_t)(sector[sectnum].visibility+16));
globvis2 = globalvisibility2;
if (sector[sectnum].visibility != 0) globvis2 = mulscale4(globvis2, (uint8_t)(sector[sectnum].visibility+16));
polymost_setVisibility(globvis2);
globalorientation = nwal->cstat;
DO_TILE_ANIM(globalpicnum, wallnum+16384);
int i = (!(nwal->cstat&4)) ? sector[nextsectnum].floorz : sec->ceilingz;
// under
calc_ypanning(i, ryp0, ryp1, x0, x1, nwal->ypanning, wal->yrepeat, !(nwal->cstat&4));
if (wal->cstat&8) //xflip
{
float const t = (float)(wal->xrepeat*8 + nwal->xpanning*2);
xtex.u = xtex.d*t - xtex.u;
ytex.u = ytex.d*t - ytex.u;
otex.u = otex.d*t - otex.u;
}
if (nwal->cstat&256) { xtex.v = -xtex.v; ytex.v = -ytex.v; otex.v = -otex.v; } //yflip
//if ((usehightile && hicfindsubst(globalpicnum, globalpal, hictinting[globalpal].f & HICTINT_ALWAYSUSEART)))
calc_and_apply_fog(fogshade(nwal->shade, nwal->pal), sec->visibility, get_floor_fogpal(sec));
pow2xsplit = 1;
#ifdef YAX_ENABLE
if (should_clip_cfwall(x0,fy0,x1,fy1))
#endif
polymost_domost(x0,ofy0,x1,ofy1,ofy0,fy0,ofy1,fy1);
if (wal->cstat&(2+8)) { otex.u = oguo; xtex.u = ogux; ytex.u = oguy; }
}
}
if ((nextsectnum < 0) || (wal->cstat&32)) //White/1-way wall
{
do
{
const int maskingOneWay = (nextsectnum >= 0 && (wal->cstat&32));
if (maskingOneWay)
{
vec2_t n, pos = { globalposx, globalposy };
if (!polymost_getclosestpointonwall(&pos, wallnum, &n) && klabs(pos.x - n.x) + klabs(pos.y - n.y) <= 128)
break;
}
globalpicnum = (nextsectnum < 0) ? wal->picnum : wal->overpicnum;
globalshade = wal->shade;
globalpal = wal->pal;
globvis = (sector[sectnum].visibility != 0) ?
mulscale4(globalvisibility, (uint8_t)(sector[sectnum].visibility + 16)) :
globalvisibility;
globvis2 = (sector[sectnum].visibility != 0) ?
mulscale4(globalvisibility2, (uint8_t)(sector[sectnum].visibility + 16)) :
globalvisibility2;
polymost_setVisibility(globvis2);
globalorientation = wal->cstat;
DO_TILE_ANIM(globalpicnum, wallnum+16384);
int i;
int const nwcs4 = !(wal->cstat & 4);
if (nextsectnum >= 0) { i = nwcs4 ? nextsec->ceilingz : sec->ceilingz; }
else { i = nwcs4 ? sec->ceilingz : sec->floorz; }
// white / 1-way
calc_ypanning(i, ryp0, ryp1, x0, x1, wal->ypanning, wal->yrepeat, nwcs4 && !maskingOneWay);
if (wal->cstat&8) //xflip
{
float const t = (float) (wal->xrepeat*8 + wal->xpanning*2);
xtex.u = xtex.d*t - xtex.u;
ytex.u = ytex.d*t - ytex.u;
otex.u = otex.d*t - otex.u;
}
if (wal->cstat&256) { xtex.v = -xtex.v; ytex.v = -ytex.v; otex.v = -otex.v; } //yflip
//if ((usehightile && hicfindsubst(globalpicnum, globalpal, hictinting[globalpal].f & HICTINT_ALWAYSUSEART)))
calc_and_apply_fog(fogshade(wal->shade, wal->pal), sec->visibility, get_floor_fogpal(sec));
pow2xsplit = 1;
#ifdef YAX_ENABLE
// TODO: slopes?
if (globalposz > sec->floorz && yax_isislandwall(wallnum, YAX_FLOOR))
polymost_domost(x1, fy1, x0, fy0, cy1, fy1, cy0, fy0);
else
#endif
polymost_domost(x0, cy0, x1, cy1, cy0, fy0, cy1, fy1);
} while (0);
}
domostpolymethod = DAMETH_NOMASK;
if (nextsectnum >= 0)
if ((!(gotsector[nextsectnum>>3]&pow2char[nextsectnum&7])) && testvisiblemost(x0,x1))
polymost_scansector(nextsectnum);
}
}
static int32_t polymost_bunchfront(const int32_t b1, const int32_t b2)
{
int b1f = bunchfirst[b1];
const double x2b2 = dxb2[bunchlast[b2]];
const double x1b1 = dxb1[b1f];
if (nexttowardf(x1b1, x2b2) >= x2b2)
return -1;
int b2f = bunchfirst[b2];
const double x1b2 = dxb1[b2f];
if (nexttowardf(x1b2, dxb2[bunchlast[b1]]) >= dxb2[bunchlast[b1]])
return -1;
if (nexttowardf(x1b1, x1b2) > x1b2)
{
while (nexttowardf(dxb2[b2f], x1b1) <= x1b1) b2f=bunchp2[b2f];
return wallfront(b1f, b2f);
}
while (nexttowardf(dxb2[b1f], x1b2) <= x1b2) b1f=bunchp2[b1f];
return wallfront(b1f, b2f);
}
void polymost_scansector(int32_t sectnum)
{
if (sectnum < 0) return;
if (automapping) show2dsector[sectnum>>3] |= pow2char[sectnum&7];
sectorborder[0] = sectnum;
int sectorbordercnt = 1;
do
{
sectnum = sectorborder[--sectorbordercnt];
#ifdef YAX_ENABLE
if (scansector_collectsprites)
#endif
for (bssize_t z=headspritesect[sectnum]; z>=0; z=nextspritesect[z])
{
uspritetype const * const spr = (uspritetype *)&sprite[z];
if ((spr->cstat & 0x8000 && !showinvisibility) || spr->xrepeat == 0 || spr->yrepeat == 0)
continue;
vec2_t const s = { spr->x-globalposx, spr->y-globalposy };
if ((spr->cstat&48) || (usemodels && tile2model[spr->picnum].modelid>=0) || ((s.x * gcosang) + (s.y * gsinang) > 0))
{
if ((spr->cstat&(64+48))!=(64+16) || dmulscale6(sintable[(spr->ang+512)&2047],-s.x, sintable[spr->ang&2047],-s.y) > 0)
if (renderAddTsprite(z, sectnum))
break;
}
}
gotsector[sectnum>>3] |= pow2char[sectnum&7];
int const bunchfrst = numbunches;
int const onumscans = numscans;
int const startwall = sector[sectnum].wallptr;
int const endwall = sector[sectnum].wallnum + startwall;
int scanfirst = numscans;
vec2d_t p2 = { 0, 0 };
uwalltype *wal;
int z;
for (z=startwall,wal=(uwalltype *)&wall[z]; z<endwall; z++,wal++)
{
uwalltype const *const wal2 = (uwalltype *)&wall[wal->point2];
vec2d_t const fp1 = { double(wal->x - globalposx), double(wal->y - globalposy) };
vec2d_t const fp2 = { double(wal2->x - globalposx), double(wal2->y - globalposy) };
int const nextsectnum = wal->nextsector; //Scan close sectors
if (nextsectnum >= 0 && !(wal->cstat&32) && sectorbordercnt < ARRAY_SSIZE(sectorborder))
#ifdef YAX_ENABLE
if (yax_nomaskpass==0 || !yax_isislandwall(z, !yax_globalcf) || (yax_nomaskdidit=1, 0))
#endif
if ((gotsector[nextsectnum>>3]&pow2char[nextsectnum&7]) == 0)
{
double const d = fp1.x*fp2.y - fp2.x*fp1.y;
vec2d_t const p1 = { fp2.x-fp1.x, fp2.y-fp1.y };
// this said (SCISDIST*SCISDIST*260.f), but SCISDIST is 1 and the significance of 260 isn't obvious to me
// is 260 fudged to solve a problem, and does the problem still apply to our version of the renderer?
if (d*d < (p1.x*p1.x + p1.y*p1.y) * 256.f)
{
sectorborder[sectorbordercnt++] = nextsectnum;
gotsector[nextsectnum>>3] |= pow2char[nextsectnum&7];
}
}
vec2d_t p1;
if ((z == startwall) || (wall[z-1].point2 != z))
{
p1 = { (((fp1.y * fcosglobalang) - (fp1.x * fsinglobalang)) * (1.0/64.0)),
(((fp1.x * cosviewingrangeglobalang) + (fp1.y * sinviewingrangeglobalang)) * (1.0/64.0)) };
}
else { p1 = p2; }
p2 = { (((fp2.y * fcosglobalang) - (fp2.x * fsinglobalang)) * (1.0/64.0)),
(((fp2.x * cosviewingrangeglobalang) + (fp2.y * sinviewingrangeglobalang)) * (1.0/64.0)) };
if (numscans >= MAXWALLSB-1)
{
OSD_Printf("!!numscans\n");
return;
}
//if wall is facing you...
if ((p1.y >= SCISDIST || p2.y >= SCISDIST) && (nexttoward(p1.x*p2.y, p2.x*p1.y) < p2.x*p1.y))
{
dxb1[numscans] = (p1.y >= SCISDIST) ? float(p1.x*ghalfx/p1.y + ghalfx) : -1e32f;
dxb2[numscans] = (p2.y >= SCISDIST) ? float(p2.x*ghalfx/p2.y + ghalfx) : 1e32f;
if (nexttowardf(dxb1[numscans], dxb2[numscans]) < dxb2[numscans])
{
thesector[numscans] = sectnum;
thewall[numscans] = z;
bunchp2[numscans] = numscans + 1;
numscans++;
}
}
if ((wall[z].point2 < z) && (scanfirst < numscans))
{
bunchp2[numscans-1] = scanfirst;
scanfirst = numscans;
}
}
for (bssize_t z=onumscans; z<numscans; z++)
{
if ((wall[thewall[z]].point2 != thewall[bunchp2[z]]) || (dxb2[z] > nexttowardf(dxb1[bunchp2[z]], dxb2[z])))
{
bunchfirst[numbunches++] = bunchp2[z];
bunchp2[z] = -1;
#ifdef YAX_ENABLE
if (scansector_retfast)
return;
#endif
}
}
for (bssize_t z=bunchfrst; z<numbunches; z++)
{
int zz;
for (zz=bunchfirst[z]; bunchp2[zz]>=0; zz=bunchp2[zz]) { }
bunchlast[z] = zz;
}
}
while (sectorbordercnt > 0);
}
/*Init viewport boundary (must be 4 point convex loop):
// (px[0],py[0]).----.(px[1],py[1])
// / \
// / \
// (px[3],py[3]).--------------.(px[2],py[2])
*/
static void polymost_initmosts(const float * px, const float * py, int const n)
{
if (n < 3) return;
int32_t imin = (px[1] < px[0]);
for (bssize_t i=n-1; i>=2; i--)
if (px[i] < px[imin]) imin = i;
int32_t vcnt = 1; //0 is dummy solid node
vsp[vcnt].x = px[imin];
vsp[vcnt].cy[0] = vsp[vcnt].fy[0] = py[imin];
vcnt++;
int i = imin+1, j = imin-1;
if (i >= n) i = 0;
if (j < 0) j = n-1;
do
{
if (px[i] < px[j])
{
if (px[i] <= vsp[vcnt-1].x) vcnt--;
vsp[vcnt].x = px[i];
vsp[vcnt].cy[0] = py[i];
int k = j+1; if (k >= n) k = 0;
//(px[k],py[k])
//(px[i],?)
//(px[j],py[j])
vsp[vcnt].fy[0] = (px[i]-px[k])*(py[j]-py[k])/(px[j]-px[k]) + py[k];
vcnt++;
i++; if (i >= n) i = 0;
}
else if (px[j] < px[i])
{
if (px[j] <= vsp[vcnt-1].x) vcnt--;
vsp[vcnt].x = px[j];
vsp[vcnt].fy[0] = py[j];
int k = i-1; if (k < 0) k = n-1;
//(px[k],py[k])
//(px[j],?)
//(px[i],py[i])
vsp[vcnt].cy[0] = (px[j]-px[k])*(py[i]-py[k])/(px[i]-px[k]) + py[k];
vcnt++;
j--; if (j < 0) j = n-1;
}
else
{
if (px[i] <= vsp[vcnt-1].x) vcnt--;
vsp[vcnt].x = px[i];
vsp[vcnt].cy[0] = py[i];
vsp[vcnt].fy[0] = py[j];
vcnt++;
i++; if (i >= n) i = 0; if (i == j) break;
j--; if (j < 0) j = n-1;
}
} while (i != j);
if (px[i] > vsp[vcnt-1].x)
{
vsp[vcnt].x = px[i];
vsp[vcnt].cy[0] = vsp[vcnt].fy[0] = py[i];
vcnt++;
}
domost_rejectcount = 0;
vsp_finalize_init(vcnt);
xbl = px[0];
xbr = px[0];
xbt = py[0];
xbb = py[0];
for (bssize_t i=n-1; i>=1; i--)
{
if (xbl > px[i]) xbl = px[i];
if (xbr < px[i]) xbr = px[i];
if (xbt > py[i]) xbt = py[i];
if (xbb < py[i]) xbb = py[i];
}
gtag = vcnt;
}
void polymost_drawrooms()
{
if (videoGetRenderMode() == REND_CLASSIC) return;
videoBeginDrawing();
frameoffset = frameplace + windowxy1.y*bytesperline + windowxy1.x;
#ifdef YAX_ENABLE
if (numyaxbunches==0)
#endif
if (editstatus)
glClear(GL_COLOR_BUFFER_BIT);
#ifdef YAX_ENABLE
if (yax_polymostclearzbuffer)
#endif
glClear(GL_DEPTH_BUFFER_BIT);
glDisable(GL_BLEND);
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_ALWAYS); //NEVER,LESS,(,L)EQUAL,GREATER,(NOT,G)EQUAL,ALWAYS
// glDepthRange(0.0, 1.0); //<- this is more widely supported than glPolygonOffset
polymost_setBrightness(r_brightnesshack);
//Polymost supports true look up/down :) Here, we convert horizon to angle.
//gchang&gshang are cos&sin of this angle (respectively)
gyxscale = ((float)xdimenscale)*(1.0f/131072.f);
gxyaspect = ((double)xyaspect*fviewingrange)*(5.0/(65536.0*262144.0));
gviewxrange = fviewingrange * fxdimen * (1.f/(32768.f*1024.f));
gcosang = fcosglobalang*(1.0f/262144.f);
gsinang = fsinglobalang*(1.0f/262144.f);
gcosang2 = gcosang * (fviewingrange * (1.0f/65536.f));
gsinang2 = gsinang * (fviewingrange * (1.0f/65536.f));
ghalfx = (float)(xdimen>>1);
ghalfy = (float)(ydimen>>1);
grhalfxdown10 = 1.f/(ghalfx*1024.f);
ghoriz = fix16_to_float(qglobalhoriz);
ghorizcorrect = fix16_to_float((100-polymostcenterhoriz)*divscale16(xdimenscale, viewingrange));
gvisibility = ((float)globalvisibility)*FOGSCALE;
polymost_shadeInterpolate(r_shadeinterpolate);
//global cos/sin height angle
if (r_yshearing)
{
gshang = 0.f;
gchang = 1.f;
ghoriz2 = (float)(ydimen >> 1) - ghoriz - ghorizcorrect;
}
else
{
float r = (float)(ydimen >> 1) - ghoriz - ghorizcorrect;
gshang = r / Bsqrtf(r * r + ghalfx * ghalfx);
gchang = Bsqrtf(1.f - gshang * gshang);
ghoriz2 = 0.f;
}
ghoriz = (float)(ydimen>>1);
resizeglcheck();
//global cos/sin tilt angle
gctang = cosf(gtang);
gstang = sinf(gtang);
if (Bfabsf(gstang) < .001f) // This hack avoids nasty precision bugs in domost()
{
gstang = 0.f;
gctang = (gctang > 0.f) ? 1.f : -1.f;
}
if (mirrorrender)
gstang = -gstang;
//Generate viewport trapezoid (for handling screen up/down)
vec3f_t p[4] = { { 0-1, 0-1+ghorizcorrect, 0 },
{ (float)(windowxy2.x + 1 - windowxy1.x + 2), 0-1+ghorizcorrect, 0 },
{ (float)(windowxy2.x + 1 - windowxy1.x + 2), (float)(windowxy2.y + 1 - windowxy1.y + 2)+ghorizcorrect, 0 },
{ 0-1, (float)(windowxy2.y + 1 - windowxy1.y + 2)+ghorizcorrect, 0 } };
for (auto & v : p)
{
//Tilt rotation (backwards)
vec2f_t const o = { v.x-ghalfx, v.y-ghoriz };
vec3f_t const o2 = { o.x*gctang + o.y*gstang, o.y*gctang - o.x*gstang + ghoriz2, ghalfx };
//Up/down rotation (backwards)
v = { o2.x, o2.y * gchang + o2.z * gshang, o2.z * gchang - o2.y * gshang };
}
#if !SOFTROTMAT
if (mirrorrender)
gstang = -gstang;
#endif
//Clip to SCISDIST plane
int n = 0;
vec3f_t p2[6];
for (bssize_t i=0; i<4; i++)
{
int const j = i < 3 ? i + 1 : 0;
if (p[i].z >= SCISDIST)
p2[n++] = p[i];
if ((p[i].z >= SCISDIST) != (p[j].z >= SCISDIST))
{
float const r = (SCISDIST - p[i].z) / (p[j].z - p[i].z);
p2[n++] = { (p[j].x - p[i].x) * r + p[i].x, (p[j].y - p[i].y) * r + p[i].y, SCISDIST };
}
}
if (n < 3) { glDepthFunc(GL_LEQUAL); videoEndDrawing(); return; }
float sx[6], sy[6];
for (bssize_t i = 0; i < n; i++)
{
float const r = ghalfx / p2[i].z;
sx[i] = p2[i].x * r + ghalfx;
sy[i] = p2[i].y * r + ghoriz;
}
polymost_initmosts(sx, sy, n);
#ifdef YAX_ENABLE
if (yax_globallev != YAX_MAXDRAWS)
{
int i, newi;
int32_t nodrawbak = g_nodraw;
g_nodraw = 1;
for (i = yax_vsp[yax_globalbunch*2][0].n; i; i=newi)
{
newi = yax_vsp[yax_globalbunch*2][i].n;
if (!newi)
break;
polymost_domost(yax_vsp[yax_globalbunch*2][newi].x, yax_vsp[yax_globalbunch*2][i].cy[1]-DOMOST_OFFSET, yax_vsp[yax_globalbunch*2][i].x, yax_vsp[yax_globalbunch*2][i].cy[0]-DOMOST_OFFSET);
}
for (i = yax_vsp[yax_globalbunch*2+1][0].n; i; i=newi)
{
newi = yax_vsp[yax_globalbunch*2+1][i].n;
if (!newi)
break;
polymost_domost(yax_vsp[yax_globalbunch*2+1][i].x, yax_vsp[yax_globalbunch*2+1][i].cy[0]+DOMOST_OFFSET, yax_vsp[yax_globalbunch*2+1][newi].x, yax_vsp[yax_globalbunch*2+1][i].cy[1]+DOMOST_OFFSET);
}
g_nodraw = nodrawbak;
}
//else if (!g_nodraw) { videoEndDrawing(); return; }
#endif
if (searchit == 2)
polymost_editorfunc();
polymost_updaterotmat();
numscans = numbunches = 0;
// MASKWALL_BAD_ACCESS
// Fixes access of stale maskwall[maskwallcnt] (a "scan" index, in BUILD lingo):
maskwallcnt = 0;
// NOTE: globalcursectnum has been already adjusted in ADJUST_GLOBALCURSECTNUM.
Bassert((unsigned)globalcursectnum < MAXSECTORS);
polymost_scansector(globalcursectnum);
grhalfxdown10x = grhalfxdown10;
if (mirrorrender)
grhalfxdown10x = -grhalfxdown10;
if (inpreparemirror)
{
inpreparemirror = 0;
// see engine.c: INPREPAREMIRROR_NO_BUNCHES
if (numbunches > 0)
{
polymost_drawalls(0);
numbunches--;
bunchfirst[0] = bunchfirst[numbunches];
bunchlast[0] = bunchlast[numbunches];
}
}
while (numbunches > 0)
{
Bmemset(ptempbuf,0,numbunches+3); ptempbuf[0] = 1;
int32_t closest = 0; //Almost works, but not quite :(
for (bssize_t i=1; i<numbunches; ++i)
{
int const bnch = polymost_bunchfront(i,closest); if (bnch < 0) continue;
ptempbuf[i] = 1;
if (!bnch) { ptempbuf[closest] = 1; closest = i; }
}
for (bssize_t i=0; i<numbunches; ++i) //Double-check
{
if (ptempbuf[i]) continue;
int const bnch = polymost_bunchfront(i,closest); if (bnch < 0) continue;
ptempbuf[i] = 1;
if (!bnch) { ptempbuf[closest] = 1; closest = i; i = 0; }
}
polymost_drawalls(closest);
if (automapping)
{
for (int z = bunchfirst[closest]; z >= 0; z = bunchp2[z])
show2dwall[thewall[z] >> 3] |= pow2char[thewall[z] & 7];
}
numbunches--;
bunchfirst[closest] = bunchfirst[numbunches];
bunchlast[closest] = bunchlast[numbunches];
}
glDepthFunc(GL_LEQUAL); //NEVER,LESS,(,L)EQUAL,GREATER,(NOT,G)EQUAL,ALWAYS
// glDepthRange(0.0, 1.0); //<- this is more widely supported than glPolygonOffset
polymost_identityrotmat();
videoEndDrawing();
}
void polymost_drawmaskwall(int32_t damaskwallcnt)
{
int const z = maskwall[damaskwallcnt];
auto const wal = (uwalltype *)&wall[thewall[z]];
auto const wal2 = (uwalltype *)&wall[wal->point2];
int32_t const sectnum = thesector[z];
auto const sec = (usectortype *)&sector[sectnum];
// if (wal->nextsector < 0) return;
// Without MASKWALL_BAD_ACCESS fix:
// wal->nextsector is -1, WGR2 SVN Lochwood Hollow (Til' Death L1) (or trueror1.map)
auto const nsec = (usectortype *)&sector[wal->nextsector];
globalpicnum = wal->overpicnum;
if ((uint32_t)globalpicnum >= MAXTILES)
globalpicnum = 0;
if (!waloff[globalpicnum])
{
glEnable(GL_BLEND);
glDisable(GL_ALPHA_TEST);
}
globalorientation = (int32_t)wal->cstat;
DO_TILE_ANIM(globalpicnum, (int16_t)thewall[z]+16384);
globvis = globalvisibility;
globvis = (sector[sectnum].visibility != 0) ? mulscale4(globvis, (uint8_t)(sector[sectnum].visibility + 16)) : globalvisibility;
globvis2 = globalvisibility2;
globvis2 = (sector[sectnum].visibility != 0) ? mulscale4(globvis2, (uint8_t)(sector[sectnum].visibility + 16)) : globalvisibility2;
polymost_setVisibility(globvis2);
globalshade = (int32_t)wal->shade;
globalpal = (int32_t)((uint8_t)wal->pal);
vec2f_t s0 = { (float)(wal->x-globalposx), (float)(wal->y-globalposy) };
vec2f_t p0 = { s0.y*gcosang - s0.x*gsinang, s0.x*gcosang2 + s0.y*gsinang2 };
vec2f_t s1 = { (float)(wal2->x-globalposx), (float)(wal2->y-globalposy) };
vec2f_t p1 = { s1.y*gcosang - s1.x*gsinang, s1.x*gcosang2 + s1.y*gsinang2 };
if ((p0.y < SCISDIST) && (p1.y < SCISDIST)) return;
//Clip to close parallel-screen plane
vec2f_t const op0 = p0;
float t0 = 0.f;
if (p0.y < SCISDIST)
{
t0 = (SCISDIST - p0.y) / (p1.y - p0.y);
p0 = { (p1.x - p0.x) * t0 + p0.x, SCISDIST };
}
float t1 = 1.f;
if (p1.y < SCISDIST)
{
t1 = (SCISDIST - op0.y) / (p1.y - op0.y);
p1 = { (p1.x - op0.x) * t1 + op0.x, SCISDIST };
}
int32_t m0 = (int32_t)((wal2->x - wal->x) * t0 + wal->x);
int32_t m1 = (int32_t)((wal2->y - wal->y) * t0 + wal->y);
int32_t cz[4], fz[4];
getzsofslope(sectnum, m0, m1, &cz[0], &fz[0]);
getzsofslope(wal->nextsector, m0, m1, &cz[1], &fz[1]);
m0 = (int32_t)((wal2->x - wal->x) * t1 + wal->x);
m1 = (int32_t)((wal2->y - wal->y) * t1 + wal->y);
getzsofslope(sectnum, m0, m1, &cz[2], &fz[2]);
getzsofslope(wal->nextsector, m0, m1, &cz[3], &fz[3]);
float ryp0 = 1.f/p0.y;
float ryp1 = 1.f/p1.y;
//Generate screen coordinates for front side of wall
float const x0 = ghalfx*p0.x*ryp0 + ghalfx;
float const x1 = ghalfx*p1.x*ryp1 + ghalfx;
if (x1 <= x0) return;
ryp0 *= gyxscale; ryp1 *= gyxscale;
xtex.d = (ryp0-ryp1)*gxyaspect / (x0-x1);
ytex.d = 0;
otex.d = ryp0*gxyaspect - xtex.d*x0;
//gux*x0 + guo = t0*wal->xrepeat*8*yp0
//gux*x1 + guo = t1*wal->xrepeat*8*yp1
xtex.u = (t0*ryp0 - t1*ryp1)*gxyaspect*(float)wal->xrepeat*8.f / (x0-x1);
otex.u = t0*ryp0*gxyaspect*(float)wal->xrepeat*8.f - xtex.u*x0;
otex.u += (float)wal->xpanning*otex.d;
xtex.u += (float)wal->xpanning*xtex.d;
ytex.u = 0;
// mask
calc_ypanning((!(wal->cstat & 4)) ? max(nsec->ceilingz, sec->ceilingz) : min(nsec->floorz, sec->floorz), ryp0, ryp1,
x0, x1, wal->ypanning, wal->yrepeat, 0);
if (wal->cstat&8) //xflip
{
float const t = (float)(wal->xrepeat*8 + wal->xpanning*2);
xtex.u = xtex.d*t - xtex.u;
ytex.u = ytex.d*t - ytex.u;
otex.u = otex.d*t - otex.u;
}
if (wal->cstat&256) { xtex.v = -xtex.v; ytex.v = -ytex.v; otex.v = -otex.v; } //yflip
int method = DAMETH_MASK | DAMETH_WALL;
if (wal->cstat & 128)
method = DAMETH_WALL | (((wal->cstat & 512)) ? DAMETH_TRANS2 : DAMETH_TRANS1);
#ifdef NEW_MAP_FORMAT
uint8_t const blend = wal->blend;
#else
uint8_t const blend = wallext[thewall[z]].blend;
#endif
handle_blend(!!(wal->cstat & 128), blend, !!(wal->cstat & 512));
drawpoly_alpha = 0.f;
drawpoly_blend = blend;
//if ((usehightile && hicfindsubst(globalpicnum, globalpal, hictinting[globalpal].f & HICTINT_ALWAYSUSEART)))
calc_and_apply_fog(fogshade(wal->shade, wal->pal), sec->visibility, get_floor_fogpal(sec));
float const csy[4] = { ((float)(cz[0] - globalposz)) * ryp0 + ghoriz,
((float)(cz[1] - globalposz)) * ryp0 + ghoriz,
((float)(cz[2] - globalposz)) * ryp1 + ghoriz,
((float)(cz[3] - globalposz)) * ryp1 + ghoriz };
float const fsy[4] = { ((float)(fz[0] - globalposz)) * ryp0 + ghoriz,
((float)(fz[1] - globalposz)) * ryp0 + ghoriz,
((float)(fz[2] - globalposz)) * ryp1 + ghoriz,
((float)(fz[3] - globalposz)) * ryp1 + ghoriz };
//Clip 2 quadrilaterals
// /csy3
// / |
// csy0------/----csy2
// | /xxxxxxx|
// | /xxxxxxxxx|
// csy1/xxxxxxxxxxx|
// |xxxxxxxxxxx/fsy3
// |xxxxxxxxx/ |
// |xxxxxxx/ |
// fsy0----/------fsy2
// | /
// fsy1/
vec2f_t dpxy[16] = { { x0, csy[1] }, { x1, csy[3] }, { x1, fsy[3] }, { x0, fsy[1] } };
//Clip to (x0,csy[0])-(x1,csy[2])
vec2f_t dp2[8];
int n2 = 0;
t1 = -((dpxy[0].x - x0) * (csy[2] - csy[0]) - (dpxy[0].y - csy[0]) * (x1 - x0));
for (bssize_t i=0; i<4; i++)
{
int j = i + 1;
if (j >= 4)
j = 0;
t0 = t1;
t1 = -((dpxy[j].x - x0) * (csy[2] - csy[0]) - (dpxy[j].y - csy[0]) * (x1 - x0));
if (t0 >= 0)
dp2[n2++] = dpxy[i];
if ((t0 >= 0) != (t1 >= 0) && (t0 <= 0) != (t1 <= 0))
{
float const r = t0 / (t0 - t1);
dp2[n2++] = { (dpxy[j].x - dpxy[i].x) * r + dpxy[i].x, (dpxy[j].y - dpxy[i].y) * r + dpxy[i].y };
}
}
if (n2 < 3)
return;
//Clip to (x1,fsy[2])-(x0,fsy[0])
t1 = -((dp2[0].x - x1) * (fsy[0] - fsy[2]) - (dp2[0].y - fsy[2]) * (x0 - x1));
int n = 0;
for (bssize_t i = 0, j = 1; i < n2; j = ++i + 1)
{
if (j >= n2)
j = 0;
t0 = t1;
t1 = -((dp2[j].x - x1) * (fsy[0] - fsy[2]) - (dp2[j].y - fsy[2]) * (x0 - x1));
if (t0 >= 0)
dpxy[n++] = dp2[i];
if ((t0 >= 0) != (t1 >= 0) && (t0 <= 0) != (t1 <= 0))
{
float const r = t0 / (t0 - t1);
dpxy[n++] = { (dp2[j].x - dp2[i].x) * r + dp2[i].x, (dp2[j].y - dp2[i].y) * r + dp2[i].y };
}
}
if (n < 3)
return;
pow2xsplit = 0;
skyclamphack = 0;
polymost_updaterotmat();
polymost_drawpoly(dpxy, n, method);
polymost_identityrotmat();
if (!waloff[globalpicnum])
{
// restore this to normal
if (polymost_maskWallHasTranslucency(wal))
{
glEnable(GL_ALPHA_TEST);
} else
{
glDisable(GL_BLEND);
glEnable(GL_ALPHA_TEST);
}
}
}
typedef struct
{
uint32_t wrev;
uint32_t srev;
int16_t wall;
int8_t wdist;
int8_t filler;
} wallspriteinfo_t;
wallspriteinfo_t wsprinfo[MAXSPRITES];
void Polymost_prepare_loadboard(void)
{
Bmemset(wsprinfo, 0, sizeof(wsprinfo));
}
static inline int32_t polymost_findwall(uspritetype const * const tspr, vec2_t const * const tsiz, int32_t * rd)
{
int32_t dist = 4, closest = -1;
usectortype const * const sect = (usectortype * )&sector[tspr->sectnum];
vec2_t n;
for (bssize_t i=sect->wallptr; i<sect->wallptr + sect->wallnum; i++)
{
if ((wall[i].nextsector == -1 || ((sector[wall[i].nextsector].ceilingz > (tspr->z - ((tsiz->y * tspr->yrepeat) << 2))) ||
sector[wall[i].nextsector].floorz < tspr->z)) && !polymost_getclosestpointonwall((const vec2_t *) tspr, i, &n))
{
int const dst = klabs(tspr->x - n.x) + klabs(tspr->y - n.y);
if (dst <= dist)
{
dist = dst;
closest = i;
}
}
}
*rd = dist;
return closest;
}
int32_t polymost_lintersect(int32_t x1, int32_t y1, int32_t x2, int32_t y2,
int32_t x3, int32_t y3, int32_t x4, int32_t y4)
{
// p1 to p2 is a line segment
int32_t const x21 = x2 - x1, x34 = x3 - x4;
int32_t const y21 = y2 - y1, y34 = y3 - y4;
int32_t const bot = x21 * y34 - y21 * x34;
if (!bot)
return 0;
int32_t const x31 = x3 - x1, y31 = y3 - y1;
int32_t const topt = x31 * y34 - y31 * x34;
int rv = 1;
if (bot > 0)
{
if ((unsigned)topt >= (unsigned)bot)
rv = 0;
int32_t topu = x21 * y31 - y21 * x31;
if ((unsigned)topu >= (unsigned)bot)
rv = 0;
}
else
{
if ((unsigned)topt <= (unsigned)bot)
rv = 0;
int32_t topu = x21 * y31 - y21 * x31;
if ((unsigned)topu <= (unsigned)bot)
rv = 0;
}
return rv;
}
#define TSPR_OFFSET_FACTOR .000008f
#define TSPR_OFFSET(tspr) ((TSPR_OFFSET_FACTOR + ((tspr->owner != -1 ? tspr->owner & 63 : 1) * TSPR_OFFSET_FACTOR)) * (float)sepdist(globalposx - tspr->x, globalposy - tspr->y, globalposz - tspr->z) * 0.025f)
void polymost_drawsprite(int32_t snum)
{
uspritetype *const tspr = tspriteptr[snum];
if (EDUKE32_PREDICT_FALSE(bad_tspr(tspr)))
return;
const usectortype *sec;
int32_t spritenum = tspr->owner;
DO_TILE_ANIM(tspr->picnum, spritenum + 32768);
globalpicnum = tspr->picnum;
globalshade = tspr->shade;
globalpal = tspr->pal;
globalorientation = tspr->cstat;
globvis = globalvisibility;
if (sector[tspr->sectnum].visibility != 0)
globvis = mulscale4(globvis, (uint8_t)(sector[tspr->sectnum].visibility + 16));
globvis2 = globalvisibility2;
if (sector[tspr->sectnum].visibility != 0)
globvis2 = mulscale4(globvis2, (uint8_t)(sector[tspr->sectnum].visibility + 16));
polymost_setVisibility(globvis2);
vec2_t off = { 0, 0 };
if ((globalorientation & 48) != 48) // only non-voxel sprites should do this
{
int const flag = usehightile && h_xsize[globalpicnum];
off = { (int32_t)tspr->xoffset + (flag ? h_xoffs[globalpicnum] : picanm[globalpicnum].xofs),
(int32_t)tspr->yoffset + (flag ? h_yoffs[globalpicnum] : picanm[globalpicnum].yofs) };
}
int32_t method = DAMETH_MASK | DAMETH_CLAMPED;
if (tspr->cstat & 2)
method = DAMETH_CLAMPED | ((tspr->cstat & 512) ? DAMETH_TRANS2 : DAMETH_TRANS1);
handle_blend(!!(tspr->cstat & 2), tspr->blend, !!(tspr->cstat & 512));
drawpoly_alpha = spriteext[spritenum].alpha;
drawpoly_blend = tspr->blend;
sec = (usectortype *)&sector[tspr->sectnum];
//if ((usehightile && hicfindsubst(globalpicnum, globalpal, hictinting[globalpal].f & HICTINT_ALWAYSUSEART))
//|| (usemodels && md_tilehasmodel(globalpicnum, globalpal) >= 0))
calc_and_apply_fog(fogshade(globalshade, globalpal), sec->visibility, get_floor_fogpal(sec));
while (!(spriteext[spritenum].flags & SPREXT_NOTMD))
{
if (usemodels && tile2model[Ptile2tile(tspr->picnum, tspr->pal)].modelid >= 0 &&
tile2model[Ptile2tile(tspr->picnum, tspr->pal)].framenum >= 0)
{
if (polymost_mddraw(tspr)) return;
break; // else, render as flat sprite
}
if (usevoxels && (tspr->cstat & 48) != 48 && tiletovox[tspr->picnum] >= 0 && voxmodels[tiletovox[tspr->picnum]])
{
if (polymost_voxdraw(voxmodels[tiletovox[tspr->picnum]], tspr)) return;
break; // else, render as flat sprite
}
if ((tspr->cstat & 48) == 48 && voxmodels[tspr->picnum])
{
polymost_voxdraw(voxmodels[tspr->picnum], tspr);
return;
}
break;
}
vec2_t pos = *(vec2_t *)tspr;
if (spriteext[spritenum].flags & SPREXT_AWAY1)
{
pos.x += (sintable[(tspr->ang + 512) & 2047] >> 13);
pos.y += (sintable[(tspr->ang) & 2047] >> 13);
}
else if (spriteext[spritenum].flags & SPREXT_AWAY2)
{
pos.x -= (sintable[(tspr->ang + 512) & 2047] >> 13);
pos.y -= (sintable[(tspr->ang) & 2047] >> 13);
}
vec2s_t const oldsiz = tilesiz[globalpicnum];
vec2_t tsiz = { oldsiz.x, oldsiz.y };
if (usehightile && h_xsize[globalpicnum])
tsiz = { h_xsize[globalpicnum], h_ysize[globalpicnum] };
if (tsiz.x <= 0 || tsiz.y <= 0)
return;
polymost_updaterotmat();
vec2f_t const ftsiz = { (float) tsiz.x, (float) tsiz.y };
switch ((globalorientation >> 4) & 3)
{
case 0: // Face sprite
{
// Project 3D to 2D
if (globalorientation & 4)
off.x = -off.x;
// NOTE: yoff not negated not for y flipping, unlike wall and floor
// aligned sprites.
int const ang = (getangle(tspr->x - globalposx, tspr->y - globalposy) + 1024) & 2047;
float const foffs = TSPR_OFFSET(tspr);
vec2f_t const offs = { (float) (sintable[(ang + 512) & 2047] >> 6) * foffs,
(float) (sintable[(ang) & 2047] >> 6) * foffs };
vec2f_t s0 = { (float)(tspr->x - globalposx) + offs.x,
(float)(tspr->y - globalposy) + offs.y};
vec2f_t p0 = { s0.y * gcosang - s0.x * gsinang, s0.x * gcosang2 + s0.y * gsinang2 };
if (p0.y <= SCISDIST)
goto _drawsprite_return;
float const ryp0 = 1.f / p0.y;
s0 = { ghalfx * p0.x * ryp0 + ghalfx, ((float)(tspr->z - globalposz)) * gyxscale * ryp0 + ghoriz };
float const f = ryp0 * fxdimen * (1.0f / 160.f);
vec2f_t ff = { ((float)tspr->xrepeat) * f,
((float)tspr->yrepeat) * f * ((float)yxaspect * (1.0f / 65536.f)) };
if (tsiz.x & 1)
s0.x += ff.x * 0.5f;
if (globalorientation & 128 && tsiz.y & 1)
s0.y += ff.y * 0.5f;
s0.x -= ff.x * (float) off.x;
s0.y -= ff.y * (float) off.y;
ff.x *= ftsiz.x;
ff.y *= ftsiz.y;
vec2f_t pxy[4];
pxy[0].x = pxy[3].x = s0.x - ff.x * 0.5f;
pxy[1].x = pxy[2].x = s0.x + ff.x * 0.5f;
if (!(globalorientation & 128))
{
pxy[0].y = pxy[1].y = s0.y - ff.y;
pxy[2].y = pxy[3].y = s0.y;
}
else
{
pxy[0].y = pxy[1].y = s0.y - ff.y * 0.5f;
pxy[2].y = pxy[3].y = s0.y + ff.y * 0.5f;
}
xtex.d = ytex.d = ytex.u = xtex.v = 0;
otex.d = ryp0 * gviewxrange;
if (!(globalorientation & 4))
{
xtex.u = ftsiz.x * otex.d / (pxy[1].x - pxy[0].x + .002f);
otex.u = -xtex.u * (pxy[0].x - .001f);
}
else
{
xtex.u = ftsiz.x * otex.d / (pxy[0].x - pxy[1].x - .002f);
otex.u = -xtex.u * (pxy[1].x + .001f);
}
if (!(globalorientation & 8))
{
ytex.v = ftsiz.y * otex.d / (pxy[3].y - pxy[0].y + .002f);
otex.v = -ytex.v * (pxy[0].y - .001f);
}
else
{
ytex.v = ftsiz.y * otex.d / (pxy[0].y - pxy[3].y - .002f);
otex.v = -ytex.v * (pxy[3].y + .001f);
}
// sprite panning
if (spriteext[spritenum].xpanning)
{
ytex.u -= ytex.d * ((float) (spriteext[spritenum].xpanning) * (1.0f / 255.f)) * ftsiz.x;
otex.u -= otex.d * ((float) (spriteext[spritenum].xpanning) * (1.0f / 255.f)) * ftsiz.x;
drawpoly_srepeat = 1;
}
if (spriteext[spritenum].ypanning)
{
ytex.v -= ytex.d * ((float) (spriteext[spritenum].ypanning) * (1.0f / 255.f)) * ftsiz.y;
otex.v -= otex.d * ((float) (spriteext[spritenum].ypanning) * (1.0f / 255.f)) * ftsiz.y;
drawpoly_trepeat = 1;
}
// Clip sprites to ceilings/floors when no parallaxing and not sloped
if (!(sector[tspr->sectnum].ceilingstat & 3))
{
s0.y = ((float) (sector[tspr->sectnum].ceilingz - globalposz)) * gyxscale * ryp0 + ghoriz;
if (pxy[0].y < s0.y)
pxy[0].y = pxy[1].y = s0.y;
}
if (!(sector[tspr->sectnum].floorstat & 3))
{
s0.y = ((float) (sector[tspr->sectnum].floorz - globalposz)) * gyxscale * ryp0 + ghoriz;
if (pxy[2].y > s0.y)
pxy[2].y = pxy[3].y = s0.y;
}
tilesiz[globalpicnum] = { (int16_t)tsiz.x, (int16_t)tsiz.y };
pow2xsplit = 0;
polymost_drawpoly(pxy, 4, method);
drawpoly_srepeat = 0;
drawpoly_trepeat = 0;
}
break;
case 1: // Wall sprite
{
// Project 3D to 2D
if (globalorientation & 4)
off.x = -off.x;
if (globalorientation & 8)
off.y = -off.y;
vec2f_t const extent = { (float)tspr->xrepeat * (float)sintable[(tspr->ang) & 2047] * (1.0f / 65536.f),
(float)tspr->xrepeat * (float)sintable[(tspr->ang + 1536) & 2047] * (1.0f / 65536.f) };
float f = (float)(tsiz.x >> 1) + (float)off.x;
vec2f_t const vf = { extent.x * f, extent.y * f };
vec2f_t vec0 = { (float)(pos.x - globalposx) - vf.x,
(float)(pos.y - globalposy) - vf.y };
int32_t const s = tspr->owner;
int32_t walldist = 1;
int32_t w = (s == -1) ? -1 : wsprinfo[s].wall;
// find the wall most likely to be what the sprite is supposed to be ornamented against
// this is really slow, so cache the result
if (s == -1 || !wsprinfo[s].wall || (spritechanged[s] != wsprinfo[s].srev) ||
(w != -1 && wallchanged[w] != wsprinfo[s].wrev))
{
w = polymost_findwall(tspr, &tsiz, &walldist);
if (s != -1)
{
wallspriteinfo_t *ws = &wsprinfo[s];
ws->wall = w;
if (w != -1)
{
ws->wdist = walldist;
ws->wrev = wallchanged[w];
ws->srev = spritechanged[s];
}
}
}
else if (s != -1)
walldist = wsprinfo[s].wdist;
// detect if the sprite is either on the wall line or the wall line and sprite intersect
if (w != -1)
{
vec2_t v = { /*Blrintf(vf.x)*/(int)vf.x, /*Blrintf(vf.y)*/(int)vf.y };
if (walldist <= 2 || ((pos.x - v.x) + (pos.x + v.x)) == (wall[w].x + POINT2(w).x) ||
((pos.y - v.y) + (pos.y + v.y)) == (wall[w].y + POINT2(w).y) ||
polymost_lintersect(pos.x - v.x, pos.y - v.y, pos.x + v.x, pos.y + v.y, wall[w].x, wall[w].y,
POINT2(w).x, POINT2(w).y))
{
int32_t const ang = getangle(wall[w].x - POINT2(w).x, wall[w].y - POINT2(w).y);
float const foffs = TSPR_OFFSET(tspr);
vec2f_t const offs = { (float)(sintable[(ang + 1024) & 2047] >> 6) * foffs,
(float)(sintable[(ang + 512) & 2047] >> 6) * foffs};
vec0.x -= offs.x;
vec0.y -= offs.y;
}
}
vec2f_t p0 = { vec0.y * gcosang - vec0.x * gsinang,
vec0.x * gcosang2 + vec0.y * gsinang2 };
vec2f_t const pp = { extent.x * ftsiz.x + vec0.x,
extent.y * ftsiz.x + vec0.y };
vec2f_t p1 = { pp.y * gcosang - pp.x * gsinang,
pp.x * gcosang2 + pp.y * gsinang2 };
if ((p0.y <= SCISDIST) && (p1.y <= SCISDIST))
goto _drawsprite_return;
// Clip to close parallel-screen plane
vec2f_t const op0 = p0;
float t0 = 0.f, t1 = 1.f;
if (p0.y < SCISDIST)
{
t0 = (SCISDIST - p0.y) / (p1.y - p0.y);
p0 = { (p1.x - p0.x) * t0 + p0.x, SCISDIST };
}
if (p1.y < SCISDIST)
{
t1 = (SCISDIST - op0.y) / (p1.y - op0.y);
p1 = { (p1.x - op0.x) * t1 + op0.x, SCISDIST };
}
f = 1.f / p0.y;
const float ryp0 = f * gyxscale;
float sx0 = ghalfx * p0.x * f + ghalfx;
f = 1.f / p1.y;
const float ryp1 = f * gyxscale;
float sx1 = ghalfx * p1.x * f + ghalfx;
tspr->z -= ((off.y * tspr->yrepeat) << 2);
if (globalorientation & 128)
{
tspr->z += ((tsiz.y * tspr->yrepeat) << 1);
if (tsiz.y & 1)
tspr->z += (tspr->yrepeat << 1); // Odd yspans
}
xtex.d = (ryp0 - ryp1) * gxyaspect / (sx0 - sx1);
ytex.d = 0;
otex.d = ryp0 * gxyaspect - xtex.d * sx0;
if (globalorientation & 4)
{
t0 = 1.f - t0;
t1 = 1.f - t1;
}
// sprite panning
if (spriteext[spritenum].xpanning)
{
float const xpan = ((float)(spriteext[spritenum].xpanning) * (1.0f / 255.f));
t0 -= xpan;
t1 -= xpan;
drawpoly_srepeat = 1;
}
xtex.u = (t0 * ryp0 - t1 * ryp1) * gxyaspect * ftsiz.x / (sx0 - sx1);
ytex.u = 0;
otex.u = t0 * ryp0 * gxyaspect * ftsiz.x - xtex.u * sx0;
f = ((float) tspr->yrepeat) * ftsiz.y * 4;
float sc0 = ((float) (tspr->z - globalposz - f)) * ryp0 + ghoriz;
float sc1 = ((float) (tspr->z - globalposz - f)) * ryp1 + ghoriz;
float sf0 = ((float) (tspr->z - globalposz)) * ryp0 + ghoriz;
float sf1 = ((float) (tspr->z - globalposz)) * ryp1 + ghoriz;
// gvx*sx0 + gvy*sc0 + gvo = 0
// gvx*sx1 + gvy*sc1 + gvo = 0
// gvx*sx0 + gvy*sf0 + gvo = tsizy*(gdx*sx0 + gdo)
f = ftsiz.y * (xtex.d * sx0 + otex.d) / ((sx0 - sx1) * (sc0 - sf0));
if (!(globalorientation & 8))
{
xtex.v = (sc0 - sc1) * f;
ytex.v = (sx1 - sx0) * f;
otex.v = -xtex.v * sx0 - ytex.v * sc0;
}
else
{
xtex.v = (sf1 - sf0) * f;
ytex.v = (sx0 - sx1) * f;
otex.v = -xtex.v * sx0 - ytex.v * sf0;
}
// sprite panning
if (spriteext[spritenum].ypanning)
{
float const ypan = ((float)(spriteext[spritenum].ypanning) * (1.0f / 255.f)) * ftsiz.y;
xtex.v -= xtex.d * ypan;
ytex.v -= ytex.d * ypan;
otex.v -= otex.d * ypan;
drawpoly_trepeat = 1;
}
// Clip sprites to ceilings/floors when no parallaxing
if (!(sector[tspr->sectnum].ceilingstat & 1))
{
if (sector[tspr->sectnum].ceilingz > tspr->z - (float)((tspr->yrepeat * tsiz.y) << 2))
{
sc0 = (float)(sector[tspr->sectnum].ceilingz - globalposz) * ryp0 + ghoriz;
sc1 = (float)(sector[tspr->sectnum].ceilingz - globalposz) * ryp1 + ghoriz;
}
}
if (!(sector[tspr->sectnum].floorstat & 1))
{
if (sector[tspr->sectnum].floorz < tspr->z)
{
sf0 = (float)(sector[tspr->sectnum].floorz - globalposz) * ryp0 + ghoriz;
sf1 = (float)(sector[tspr->sectnum].floorz - globalposz) * ryp1 + ghoriz;
}
}
if (sx0 > sx1)
{
if (globalorientation & 64)
goto _drawsprite_return; // 1-sided sprite
swapfloat(&sx0, &sx1);
swapfloat(&sc0, &sc1);
swapfloat(&sf0, &sf1);
}
vec2f_t const pxy[4] = { { sx0, sc0 }, { sx1, sc1 }, { sx1, sf1 }, { sx0, sf0 } };
tilesiz[globalpicnum] = { (int16_t)tsiz.x, (int16_t)tsiz.y };
pow2xsplit = 0;
polymost_drawpoly(pxy, 4, method);
drawpoly_srepeat = 0;
drawpoly_trepeat = 0;
}
break;
case 2: // Floor sprite
globvis2 = globalhisibility2;
if (sector[tspr->sectnum].visibility != 0)
globvis2 = mulscale4(globvis2, (uint8_t)(sector[tspr->sectnum].visibility + 16));
polymost_setVisibility(globvis2);
if ((globalorientation & 64) != 0 && (globalposz > tspr->z) == (!(globalorientation & 8)))
goto _drawsprite_return;
else
{
if ((globalorientation & 4) > 0)
off.x = -off.x;
if ((globalorientation & 8) > 0)
off.y = -off.y;
vec2f_t const p0 = { (float)(((tsiz.x + 1) >> 1) - off.x) * tspr->xrepeat,
(float)(((tsiz.y + 1) >> 1) - off.y) * tspr->yrepeat },
p1 = { (float)((tsiz.x >> 1) + off.x) * tspr->xrepeat,
(float)((tsiz.y >> 1) + off.y) * tspr->yrepeat };
float const c = sintable[(tspr->ang + 512) & 2047] * (1.0f / 65536.f);
float const s = sintable[tspr->ang & 2047] * (1.0f / 65536.f);
vec2f_t pxy[6];
// Project 3D to 2D
for (bssize_t j = 0; j < 4; j++)
{
vec2f_t s0 = { (float)(tspr->x - globalposx), (float)(tspr->y - globalposy) };
if ((j + 0) & 2)
{
s0.y -= s * p0.y;
s0.x -= c * p0.y;
}
else
{
s0.y += s * p1.y;
s0.x += c * p1.y;
}
if ((j + 1) & 2)
{
s0.x -= s * p0.x;
s0.y += c * p0.x;
}
else
{
s0.x += s * p1.x;
s0.y -= c * p1.x;
}
pxy[j] = { s0.y * gcosang - s0.x * gsinang, s0.x * gcosang2 + s0.y * gsinang2 };
}
if (tspr->z < globalposz) // if floor sprite is above you, reverse order of points
{
EDUKE32_STATIC_ASSERT(sizeof(uint64_t) == sizeof(vec2f_t));
swap64bit(&pxy[0], &pxy[1]);
swap64bit(&pxy[2], &pxy[3]);
}
// Clip to SCISDIST plane
int32_t npoints = 0;
vec2f_t p2[6];
for (bssize_t i = 0, j = 1; i < 4; j = ((++i + 1) & 3))
{
if (pxy[i].y >= SCISDIST)
p2[npoints++] = pxy[i];
if ((pxy[i].y >= SCISDIST) != (pxy[j].y >= SCISDIST))
{
float const f = (SCISDIST - pxy[i].y) / (pxy[j].y - pxy[i].y);
vec2f_t const t = { (pxy[j].x - pxy[i].x) * f + pxy[i].x,
(pxy[j].y - pxy[i].y) * f + pxy[i].y };
p2[npoints++] = t;
}
}
if (npoints < 3)
goto _drawsprite_return;
// Project rotated 3D points to screen
int fadjust = 0;
// unfortunately, offsetting by only 1 isn't enough on most Android devices
if (tspr->z == sec->ceilingz || tspr->z == sec->ceilingz + 1)
tspr->z = sec->ceilingz + 2, fadjust = (tspr->owner & 31);
if (tspr->z == sec->floorz || tspr->z == sec->floorz - 1)
tspr->z = sec->floorz - 2, fadjust = -((tspr->owner & 31));
float f = (float)(tspr->z - globalposz + fadjust) * gyxscale;
for (bssize_t j = 0; j < npoints; j++)
{
float const ryp0 = 1.f / p2[j].y;
pxy[j] = { ghalfx * p2[j].x * ryp0 + ghalfx, f * ryp0 + ghoriz };
}
// gd? Copied from floor rendering code
xtex.d = 0;
ytex.d = gxyaspect / (double)(tspr->z - globalposz + fadjust);
otex.d = -ghoriz * ytex.d;
// copied&modified from relative alignment
vec2f_t const vv = { (float)tspr->x + s * p1.x + c * p1.y, (float)tspr->y + s * p1.y - c * p1.x };
vec2f_t ff = { -(p0.x + p1.x) * s, (p0.x + p1.x) * c };
f = polymost_invsqrt_approximation(ff.x * ff.x + ff.y * ff.y);
ff.x *= f;
ff.y *= f;
float const ft[4] = { ((float)(globalposy - vv.y)) * ff.y + ((float)(globalposx - vv.x)) * ff.x,
((float)(globalposx - vv.x)) * ff.y - ((float)(globalposy - vv.y)) * ff.x,
fsinglobalang * ff.y + fcosglobalang * ff.x,
fsinglobalang * ff.x - fcosglobalang * ff.y };
f = fviewingrange * -(1.f / (65536.f * 262144.f));
xtex.u = (float)ft[3] * f;
xtex.v = (float)ft[2] * f;
ytex.u = ft[0] * ytex.d;
ytex.v = ft[1] * ytex.d;
otex.u = ft[0] * otex.d;
otex.v = ft[1] * otex.d;
otex.u += (ft[2] * (1.0f / 262144.f) - xtex.u) * ghalfx;
otex.v -= (ft[3] * (1.0f / 262144.f) + xtex.v) * ghalfx;
f = 4.f / (float)tspr->xrepeat;
xtex.u *= f;
ytex.u *= f;
otex.u *= f;
f = -4.f / (float)tspr->yrepeat;
xtex.v *= f;
ytex.v *= f;
otex.v *= f;
if (globalorientation & 4)
{
xtex.u = ftsiz.x * xtex.d - xtex.u;
ytex.u = ftsiz.x * ytex.d - ytex.u;
otex.u = ftsiz.x * otex.d - otex.u;
}
// sprite panning
if (spriteext[spritenum].xpanning)
{
float const f = ((float)(spriteext[spritenum].xpanning) * (1.0f / 255.f)) * ftsiz.x;
ytex.u -= ytex.d * f;
otex.u -= otex.d * f;
drawpoly_srepeat = 1;
}
if (spriteext[spritenum].ypanning)
{
float const f = ((float)(spriteext[spritenum].ypanning) * (1.0f / 255.f)) * ftsiz.y;
ytex.v -= ytex.d * f;
otex.v -= otex.d * f;
drawpoly_trepeat = 1;
}
tilesiz[globalpicnum] = { (int16_t)tsiz.x, (int16_t)tsiz.y };
pow2xsplit = 0;
polymost_drawpoly(pxy, npoints, method);
drawpoly_srepeat = 0;
drawpoly_trepeat = 0;
}
break;
case 3: // Voxel sprite
break;
}
_drawsprite_return:
polymost_identityrotmat();
tilesiz[globalpicnum] = oldsiz;
}
EDUKE32_STATIC_ASSERT((int)RS_YFLIP == (int)HUDFLAG_FLIPPED);
//sx,sy center of sprite; screen coords*65536
//z zoom*65536. > is zoomed in
//a angle (0 is default)
//dastat&1 1:translucence
//dastat&2 1:auto-scale mode (use 320*200 coordinates)
//dastat&4 1:y-flip
//dastat&8 1:don't clip to startumost/startdmost
//dastat&16 1:force point passed to be top-left corner, 0:Editart center
//dastat&32 1:reverse translucence
//dastat&64 1:non-masked, 0:masked
//dastat&128 1:draw all pages (permanent)
//cx1,... clip window (actual screen coords)
void polymost_dorotatespritemodel(int32_t sx, int32_t sy, int32_t z, int16_t a, int16_t picnum,
int8_t dashade, char dapalnum, int32_t dastat, uint8_t daalpha, uint8_t dablend, int32_t uniqid)
{
float d, cosang, sinang, cosang2, sinang2;
float m[4][4];
const int32_t tilenum = Ptile2tile(picnum, dapalnum);
if (tile2model[tilenum].modelid == -1 || tile2model[tilenum].framenum == -1)
return;
vec3f_t vec1;
uspritetype tspr;
Bmemset(&tspr, 0, sizeof(spritetype));
hudtyp const * const hud = tile2model[tilenum].hudmem[(dastat&4)>>2];
if (!hud || hud->flags & HUDFLAG_HIDE)
return;
float const ogchang = gchang; gchang = 1.f;
float const ogshang = gshang; gshang = 0.f; d = (float) z*(1.0f/(65536.f*16384.f));
float const ogctang = gctang; gctang = (float) sintable[(a+512)&2047]*d;
float const ogstang = gstang; gstang = (float) sintable[a&2047]*d;
int const ogshade = globalshade; globalshade = dashade;
int const ogpal = globalpal; globalpal = (int32_t) ((uint8_t) dapalnum);
double const ogxyaspect = gxyaspect; gxyaspect = 1.f;
int const oldviewingrange = viewingrange; viewingrange = 65536;
float const oldfviewingrange = fviewingrange; fviewingrange = 65536.f;
polymost_updaterotmat();
vec1 = hud->add;
#ifdef POLYMER
if (pr_overridehud) {
vec1.x = pr_hudxadd;
vec1.y = pr_hudyadd;
vec1.z = pr_hudzadd;
}
#endif
if (!(hud->flags & HUDFLAG_NOBOB))
{
vec2f_t f = { (float)sx * (1.f / 65536.f), (float)sy * (1.f / 65536.f) };
if (dastat & RS_TOPLEFT)
{
vec2s_t siz = tilesiz[picnum];
vec2s_t off = { (int16_t)((siz.x >> 1) + picanm[picnum].xofs), (int16_t)((siz.y >> 1) + picanm[picnum].yofs) };
d = (float)z * (1.0f / (65536.f * 16384.f));
cosang2 = cosang = (float)sintable[(a + 512) & 2047] * d;
sinang2 = sinang = (float)sintable[a & 2047] * d;
if ((dastat & RS_AUTO) || (!(dastat & RS_NOCLIP))) // Don't aspect unscaled perms
{
d = (float)xyaspect * (1.0f / 65536.f);
cosang2 *= d;
sinang2 *= d;
}
vec2f_t const foff = { (float)off.x, (float)off.y };
f.x += -foff.x * cosang2 + foff.y * sinang2;
f.y += -foff.x * sinang - foff.y * cosang;
}
if (!(dastat & RS_AUTO))
{
vec1.x += f.x / ((float)(xdim << 15)) - 1.f; //-1: left of screen, +1: right of screen
vec1.y += f.y / ((float)(ydim << 15)) - 1.f; //-1: top of screen, +1: bottom of screen
}
else
{
vec1.x += f.x * (1.0f / 160.f) - 1.f; //-1: left of screen, +1: right of screen
vec1.y += f.y * (1.0f / 100.f) - 1.f; //-1: top of screen, +1: bottom of screen
}
}
tspr.ang = hud->angadd+globalang;
#ifdef POLYMER
if (pr_overridehud) {
tspr.ang = pr_hudangadd + globalang;
}
#endif
if (dastat & RS_YFLIP) { vec1.x = -vec1.x; vec1.y = -vec1.y; }
// In Polymost, we don't care if the model is very big
#ifdef POLYMER
if (videoGetRenderMode() == REND_POLYMER)
{
vec3f_t const vec2 = { fglobalposx + (gcosang * vec1.z - gsinang * vec1.x) * 2560.f,
fglobalposy + (gsinang * vec1.z + gcosang * vec1.x) * 2560.f,
fglobalposz + (vec1.y * (2560.f * 0.8f)) };
*(vec3f_t *)&tspr = vec2;
tspr.xrepeat = tspr.yrepeat = 5;
}
else
#endif
{
tspr.xrepeat = tspr.yrepeat = 32;
tspr.x = globalposx + Blrintf((gcosang*vec1.z - gsinang*vec1.x)*16384.f);
tspr.y = globalposy + Blrintf((gsinang*vec1.z + gcosang*vec1.x)*16384.f);
tspr.z = globalposz + Blrintf(vec1.y * (16384.f * 0.8f));
}
tspr.picnum = picnum;
tspr.shade = dashade;
tspr.pal = dapalnum;
tspr.owner = uniqid+MAXSPRITES;
// 1 -> 1
// 32 -> 32*16 = 512
// 4 -> 8
tspr.cstat = globalorientation = (dastat&RS_TRANS1) | ((dastat&RS_TRANS2)<<4) | ((dastat&RS_YFLIP)<<1);
if ((dastat&(RS_AUTO|RS_NOCLIP)) == RS_AUTO)
{
glViewport(windowxy1.x, ydim-(windowxy2.y+1), windowxy2.x-windowxy1.x+1, windowxy2.y-windowxy1.y+1);
glox1 = -1;
}
else
{
glViewport(0, 0, xdim, ydim);
glox1 = -1; //Force fullscreen (glox1=-1 forces it to restore)
}
if (videoGetRenderMode() < REND_POLYMER)
{
glMatrixMode(GL_PROJECTION);
Bmemset(m, 0, sizeof(m));
if ((dastat&(RS_AUTO|RS_NOCLIP)) == RS_AUTO)
{
float f = 1.f;
int32_t fov = hud->fov;
#ifdef POLYMER
if (pr_overridehud)
fov = pr_hudfov;
#endif
if (fov != -1)
f = 1.f/tanf(((float)fov * 2.56f) * ((.5f * fPI) * (1.0f/2048.f)));
m[0][0] = f*fydimen; m[0][2] = 1.f;
m[1][1] = f*fxdimen; m[1][2] = 1.f;
m[2][2] = 1.f; m[2][3] = fydimen;
m[3][2] =-1.f;
}
else
{
m[0][0] = m[2][3] = 1.f;
m[1][1] = fxdim/fydim;
m[2][2] = 1.0001f;
m[3][2] = 1-m[2][2];
}
glLoadMatrixf(&m[0][0]);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
}
if (hud->flags & HUDFLAG_NODEPTH)
glDisable(GL_DEPTH_TEST);
else
{
static int32_t onumframes = 0;
glEnable(GL_DEPTH_TEST);
if (onumframes != numframes)
{
onumframes = numframes;
glClear(GL_DEPTH_BUFFER_BIT);
}
}
spriteext[tspr.owner].alpha = daalpha * (1.0f / 255.0f);
tspr.blend = dablend;
polymost_setFogEnabled(false);
if (videoGetRenderMode() == REND_POLYMOST)
polymost_mddraw(&tspr);
# ifdef POLYMER
else
{
int32_t fov;
tspriteptr[maxspritesonscreen] = &tspr;
glEnable(GL_ALPHA_TEST);
glEnable(GL_BLEND);
spriteext[tspr.owner].roll = a;
spriteext[tspr.owner].offset.z = z;
fov = hud->fov;
if (fov == -1)
fov = pr_fov;
if (pr_overridehud)
fov = pr_hudfov;
polymer_setaspect(fov);
polymer_drawsprite(maxspritesonscreen);
polymer_setaspect(pr_fov);
spriteext[tspr.owner].offset.z = 0;
spriteext[tspr.owner].roll = 0;
glDisable(GL_BLEND);
glDisable(GL_ALPHA_TEST);
}
# endif
if (!nofog) polymost_setFogEnabled(true);
viewingrange = oldviewingrange;
fviewingrange = oldfviewingrange;
gxyaspect = ogxyaspect;
globalshade = ogshade;
globalpal = ogpal;
gchang = ogchang;
gshang = ogshang;
gctang = ogctang;
gstang = ogstang;
polymost_identityrotmat();
}
void polymost_dorotatesprite(int32_t sx, int32_t sy, int32_t z, int16_t a, int16_t picnum,
int8_t dashade, char dapalnum, int32_t dastat, uint8_t daalpha, uint8_t dablend,
int32_t cx1, int32_t cy1, int32_t cx2, int32_t cy2, int32_t uniqid)
{
if (usemodels && tile2model[picnum].hudmem[(dastat&4)>>2])
{
polymost_dorotatespritemodel(sx, sy, z, a, picnum, dashade, dapalnum, dastat, daalpha, dablend, uniqid);
return;
}
glViewport(0,0,xdim,ydim); glox1 = -1; //Force fullscreen (glox1=-1 forces it to restore)
glMatrixMode(GL_PROJECTION);
glPushMatrix();
globvis = 0;
globvis2 = 0;
polymost_setVisibility(globvis2);
int32_t const ogpicnum = globalpicnum;
globalpicnum = picnum;
int32_t const ogshade = globalshade;
globalshade = dashade;
int32_t const ogpal = globalpal;
globalpal = (int32_t)((uint8_t)dapalnum);
float const oghalfx = ghalfx;
ghalfx = fxdim * .5f;
float const oghalfy = ghalfy;
ghalfy = fydim * .5f;
float const ogrhalfxdown10 = grhalfxdown10;
grhalfxdown10 = 1.f / (ghalfx * 1024.f);
float const ogrhalfxdown10x = grhalfxdown10x;
grhalfxdown10x = grhalfxdown10;
float const oghoriz = ghoriz;
ghoriz = fydim * .5f;
int32_t const ofoffset = frameoffset;
frameoffset = frameplace;
float const ogchang = gchang;
gchang = 1.f;
float const ogshang = gshang;
gshang = 0.f;
float const ogctang = gctang;
gctang = 1.f;
float const ogstang = gstang;
gstang = 0.f;
polymost_updaterotmat();
float m[4][4];
Bmemset(m,0,sizeof(m));
m[0][0] = m[2][3] = 1.0f;
m[1][1] = fxdim / fydim;
m[2][2] = 1.0001f;
m[3][2] = 1 - m[2][2];
glLoadMatrixf(&m[0][0]);
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glLoadIdentity();
glDisable(GL_DEPTH_TEST);
#if defined(POLYMER)
# ifdef USE_GLEXT
const int32_t olddetailmapping = r_detailmapping, oldglowmapping = r_glowmapping;
# endif
const int32_t oldnormalmapping = pr_normalmapping;
#endif
int32_t method = DAMETH_CLAMPED; //Use OpenGL clamping - dorotatesprite never repeats
if (!(dastat & RS_NOMASK))
{
glEnable(GL_ALPHA_TEST);
glEnable(GL_BLEND);
if (dastat & RS_TRANS1)
method |= (dastat & RS_TRANS2) ? DAMETH_TRANS2 : DAMETH_TRANS1;
else
method |= DAMETH_MASK;
}
else
{
glDisable(GL_ALPHA_TEST);
glDisable(GL_BLEND);
}
handle_blend(!!(dastat & RS_TRANS1), dablend, !!(dastat & RS_TRANS2));
#ifdef POLYMER
if (videoGetRenderMode() == REND_POLYMER)
{
pr_normalmapping = 0;
polymer_inb4rotatesprite(picnum, dapalnum, dashade, method);
polymost_resetVertexPointers();
# ifdef USE_GLEXT
r_detailmapping = 0;
r_glowmapping = 0;
# endif
}
#endif
drawpoly_alpha = daalpha * (1.0f / 255.0f);
drawpoly_blend = dablend;
vec2s_t const siz = tilesiz[globalpicnum];
vec2s_t ofs = { 0, 0 };
if (!(dastat & RS_TOPLEFT))
{
ofs = { int16_t(picanm[globalpicnum].xofs + (siz.x>>1)),
int16_t(picanm[globalpicnum].yofs + (siz.y>>1)) };
}
if (dastat & RS_YFLIP)
ofs.y = siz.y - ofs.y;
int32_t ourxyaspect, temp;
dorotspr_handle_bit2(&sx, &sy, &z, dastat, cx1 + cx2, cy1 + cy2, &temp, &ourxyaspect);
float d = (float)z * (1.0f / (65536.f * 16384.f));
float const cosang = (float)sintable[(a + 512) & 2047] * d;
float cosang2 = cosang;
float const sinang = (float)sintable[a & 2047] * d;
float sinang2 = sinang;
if ((dastat & RS_AUTO) || (!(dastat & RS_NOCLIP))) // Don't aspect unscaled perms
{
d = (float)ourxyaspect * (1.0f / 65536.f);
cosang2 *= d;
sinang2 *= d;
}
vec2f_t const fofs = { (float)ofs.x, (float)ofs.y };
float const cx = floorf((float)sx * (1.0f / 65536.f) - fofs.x * cosang2 + fofs.y * sinang2);
float const cy = floorf((float)sy * (1.0f / 65536.f) - fofs.x * sinang - fofs.y * cosang);
vec2f_t pxy[8] = { { cx, cy },
{ cx + (float)siz.x * cosang2, cy + (float)siz.x * sinang },
{ 0, 0 },
{ cx - (float)siz.y * sinang2, cy + (float)siz.y * cosang } };
pxy[2]= { pxy[1].x + pxy[3].x - pxy[0].x,
pxy[1].y + pxy[3].y - pxy[0].y };
// Round after calculating pxy[2] so that it is calculated correctly
// Rounding pxy[0].x & pxy[0].y is unnecessary so long as pxy[0] can never have fractional values
//pxy[0].x = roundf(pxy[0].x); pxy[0].y = roundf(pxy[0].y);
pxy[1] = { roundf(pxy[1].x), roundf(pxy[1].y) };
pxy[2] = { roundf(pxy[2].x), roundf(pxy[2].y) };
pxy[3] = { roundf(pxy[3].x), roundf(pxy[3].y) };
int32_t n = 4;
xtex.d = 0; ytex.d = 0; otex.d = 1.f;
//px[0]*gux + py[0]*guy + guo = 0
//px[1]*gux + py[1]*guy + guo = xsiz-.0001
//px[3]*gux + py[3]*guy + guo = 0
d = 1.f/(pxy[0].x*(pxy[1].y-pxy[3].y) + pxy[1].x*(pxy[3].y-pxy[0].y) + pxy[3].x*(pxy[0].y-pxy[1].y));
float const sxd = ((float)siz.x-.0001f)*d;
xtex.u = (pxy[3].y-pxy[0].y)*sxd;
ytex.u = (pxy[0].x-pxy[3].x)*sxd;
otex.u = 0 - pxy[0].x*xtex.u - pxy[0].y*ytex.u;
float const syd = ((float)siz.y-.0001f)*d;
if (!(dastat & RS_YFLIP))
{
//px[0]*gvx + py[0]*gvy + gvo = 0
//px[1]*gvx + py[1]*gvy + gvo = 0
//px[3]*gvx + py[3]*gvy + gvo = ysiz-.0001
xtex.v = (pxy[0].y-pxy[1].y)*syd;
ytex.v = (pxy[1].x-pxy[0].x)*syd;
otex.v = 0 - pxy[0].x*xtex.v - pxy[0].y*ytex.v;
}
else
{
//px[0]*gvx + py[0]*gvy + gvo = ysiz-.0001
//px[1]*gvx + py[1]*gvy + gvo = ysiz-.0001
//px[3]*gvx + py[3]*gvy + gvo = 0
xtex.v = (pxy[1].y-pxy[0].y)*syd;
ytex.v = (pxy[0].x-pxy[1].x)*syd;
otex.v = (float)siz.y-.0001f - pxy[0].x*xtex.v - pxy[0].y*ytex.v;
}
cx2++; cy2++;
//Clippoly4 (converted from int32_t to double)
int32_t nn = z = 0;
float px2[8], py2[8];
do
{
int32_t zz = z+1; if (zz == n) zz = 0;
float const x1 = pxy[z].x, x2 = pxy[zz].x-x1;
if (((float)cx1 <= x1) && (x1 <= (float)cx2)) { px2[nn] = x1; py2[nn] = pxy[z].y; nn++; }
float fx = (float)(x2 <= 0 ? cx2 : cx1); d = fx-x1;
if ((d < x2) != (d < 0)) { px2[nn] = fx; py2[nn] = (pxy[zz].y-pxy[z].y)*d/x2 + pxy[z].y; nn++; }
fx = (float)(x2 <= 0 ? cx1 : cx2); d = fx-x1;
if ((d < x2) != (d < 0)) { px2[nn] = fx; py2[nn] = (pxy[zz].y-pxy[z].y)*d/x2 + pxy[z].y; nn++; }
z = zz;
}
while (z);
if (nn >= 3)
{
n = z = 0;
do
{
int32_t zz = z+1; if (zz == nn) zz = 0;
float const y1 = py2[z], y2 = py2[zz]-y1;
if ((cy1 <= y1) && (y1 <= cy2)) { pxy[n].y = y1; pxy[n].x = px2[z]; n++; }
float fy = (float)(y2 <= 0 ? cy2 : cy1); d = fy - y1;
if ((d < y2) != (d < 0)) { pxy[n].y = fy; pxy[n].x = (px2[zz]-px2[z])*d/y2 + px2[z]; n++; }
fy = (float)(y2 <= 0 ? cy1 : cy2); d = fy - y1;
if ((d < y2) != (d < 0)) { pxy[n].y = fy; pxy[n].x = (px2[zz]-px2[z])*d/y2 + px2[z]; n++; }
z = zz;
}
while (z);
polymost_setFogEnabled(false);
pow2xsplit = 0; polymost_drawpoly(pxy, n,method);
if (!nofog) polymost_setFogEnabled(true);
}
glDisable(GL_ALPHA_TEST);
glDisable(GL_BLEND);
#ifdef POLYMER
if (videoGetRenderMode() == REND_POLYMER)
{
# ifdef USE_GLEXT
r_detailmapping = olddetailmapping;
r_glowmapping = oldglowmapping;
# endif
polymer_postrotatesprite();
pr_normalmapping = oldnormalmapping;
}
#endif
glPopMatrix();
glMatrixMode(GL_PROJECTION);
glPopMatrix();
globalpicnum = ogpicnum;
globalshade = ogshade;
globalpal = ogpal;
ghalfx = oghalfx;
ghalfy = oghalfy;
grhalfxdown10 = ogrhalfxdown10;
grhalfxdown10x = ogrhalfxdown10x;
ghoriz = oghoriz;
frameoffset = ofoffset;
gchang = ogchang;
gshang = ogshang;
gctang = ogctang;
gstang = ogstang;
polymost_identityrotmat();
}
static float trapextx[2];
static void drawtrap(float x0, float x1, float y0, float x2, float x3, float y1)
{
if (y0 == y1) return;
float px[4], py[4];
int32_t n = 3;
px[0] = x0; py[0] = y0; py[2] = y1;
if (x0 == x1) { px[1] = x3; py[1] = y1; px[2] = x2; }
else if (x2 == x3) { px[1] = x1; py[1] = y0; px[2] = x3; }
else { px[1] = x1; py[1] = y0; px[2] = x3; px[3] = x2; py[3] = y1; n = 4; }
auto data = GLInterface.AllocVertices(n);
auto vt = data.second;
for (bssize_t i=0; i<n; i++, vt++)
{
px[i] = min(max(px[i],trapextx[0]),trapextx[1]);
vt->SetTexCoord(px[i]*xtex.u + py[i]*ytex.u + otex.u,
px[i]*xtex.v + py[i]*ytex.v + otex.v);
vt->SetVertex(px[i],py[i]);
}
GLInterface.Draw(DT_TRIANGLE_FAN, data.first, n);
}
static void tessectrap(const float *px, const float *py, const int32_t *point2, int32_t numpoints)
{
float x0, x1, m0, m1;
int32_t i, j, k, z, i0, i1, i2, i3, npoints, gap, numrst;
static int32_t allocpoints = 0, *slist = 0, *npoint2 = 0;
typedef struct { float x, y, xi; int32_t i; } raster;
static raster *rst = 0;
if (numpoints+16 > allocpoints) //16 for safety
{
allocpoints = numpoints+16;
rst = (raster *)Xrealloc(rst,allocpoints*sizeof(raster));
slist = (int32_t *)Xrealloc(slist,allocpoints*sizeof(int32_t));
npoint2 = (int32_t *)Xrealloc(npoint2,allocpoints*sizeof(int32_t));
}
//Remove unnecessary collinear points:
for (i=0; i<numpoints; i++) npoint2[i] = point2[i];
npoints = numpoints; z = 0;
for (i=0; i<numpoints; i++)
{
j = npoint2[i]; if ((i < numpoints-1) && (point2[i] < i)) z = 3;
if (j < 0) continue;
k = npoint2[j];
m0 = (px[j]-px[i])*(py[k]-py[j]);
m1 = (py[j]-py[i])*(px[k]-px[j]);
if (m0 < m1) { z |= 1; continue; }
if (m0 > m1) { z |= 2; continue; }
npoint2[i] = k; npoint2[j] = -1; npoints--; i--; //collinear
}
if (!z) return;
trapextx[0] = trapextx[1] = px[0];
for (i=j=0; i<numpoints; i++)
{
if (npoint2[i] < 0) continue;
if (px[i] < trapextx[0]) trapextx[0] = px[i];
if (px[i] > trapextx[1]) trapextx[1] = px[i];
slist[j++] = i;
}
if (z != 3) //Simple polygon... early out
{
auto data = GLInterface.AllocVertices(npoints);
auto vt = data.second;
for (i=0; i<npoints; i++, vt++)
{
j = slist[i];
vt->SetTexCoord(px[j]*xtex.u + py[j]*ytex.u + otex.u,
px[j]*xtex.v + py[j]*ytex.v + otex.v);
vt->SetVertex(px[j],py[j]);
}
GLInterface.Draw(DT_TRIANGLE_FAN, data.first, npoints);
return;
}
//Sort points by y's
for (gap=(npoints>>1); gap; gap>>=1)
for (i=0; i<npoints-gap; i++)
for (j=i; j>=0; j-=gap)
{
if (py[npoint2[slist[j]]] <= py[npoint2[slist[j+gap]]]) break;
k = slist[j]; slist[j] = slist[j+gap]; slist[j+gap] = k;
}
numrst = 0;
for (z=0; z<npoints; z++)
{
i0 = slist[z]; i1 = npoint2[i0]; if (py[i0] == py[i1]) continue;
i2 = i1; i3 = npoint2[i1];
if (py[i1] == py[i3]) { i2 = i3; i3 = npoint2[i3]; }
//i0 i3
// \ /
// i1--i2
// / \ ~
//i0 i3
if ((py[i1] < py[i0]) && (py[i2] < py[i3])) //Insert raster
{
for (i=numrst; i>0; i--)
{
if (rst[i-1].xi*(py[i1]-rst[i-1].y) + rst[i-1].x < px[i1]) break;
rst[i+1] = rst[i-1];
}
numrst += 2;
if (i&1) //split inside area
{
j = i-1;
x0 = (py[i1] - rst[j ].y)*rst[j ].xi + rst[j ].x;
x1 = (py[i1] - rst[j+1].y)*rst[j+1].xi + rst[j+1].x;
drawtrap(rst[j].x,rst[j+1].x,rst[j].y,x0,x1,py[i1]);
rst[j ].x = x0; rst[j ].y = py[i1];
rst[j+3].x = x1; rst[j+3].y = py[i1];
}
m0 = (px[i0]-px[i1]) / (py[i0]-py[i1]);
m1 = (px[i3]-px[i2]) / (py[i3]-py[i2]);
j = ((px[i1] > px[i2]) || ((i1 == i2) && (m0 >= m1))) + i;
k = (i<<1)+1 - j;
rst[j].i = i0; rst[j].xi = m0; rst[j].x = px[i1]; rst[j].y = py[i1];
rst[k].i = i3; rst[k].xi = m1; rst[k].x = px[i2]; rst[k].y = py[i2];
}
else
{
//NOTE:don't count backwards!
if (i1 == i2) { for (i=0; i<numrst; i++) if (rst[i].i == i1) break; }
else { for (i=0; i<numrst; i++) if ((rst[i].i == i1) || (rst[i].i == i2)) break; }
j = i&~1;
if ((py[i1] > py[i0]) && (py[i2] > py[i3])) //Delete raster
{
for (; j<=i+1; j+=2)
{
x0 = (py[i1] - rst[j ].y)*rst[j ].xi + rst[j ].x;
if ((i == j) && (i1 == i2)) x1 = x0; else x1 = (py[i1] - rst[j+1].y)*rst[j+1].xi + rst[j+1].x;
drawtrap(rst[j].x,rst[j+1].x,rst[j].y,x0,x1,py[i1]);
rst[j ].x = x0; rst[j ].y = py[i1];
rst[j+1].x = x1; rst[j+1].y = py[i1];
}
numrst -= 2; for (; i<numrst; i++) rst[i] = rst[i+2];
}
else
{
x0 = (py[i1] - rst[j ].y)*rst[j ].xi + rst[j ].x;
x1 = (py[i1] - rst[j+1].y)*rst[j+1].xi + rst[j+1].x;
drawtrap(rst[j].x,rst[j+1].x,rst[j].y,x0,x1,py[i1]);
rst[j ].x = x0; rst[j ].y = py[i1];
rst[j+1].x = x1; rst[j+1].y = py[i1];
if (py[i0] < py[i3]) { rst[i].x = px[i2]; rst[i].y = py[i2]; rst[i].i = i3; }
else { rst[i].x = px[i1]; rst[i].y = py[i1]; rst[i].i = i0; }
rst[i].xi = (px[rst[i].i] - rst[i].x) / (py[rst[i].i] - py[i1]);
}
}
}
}
void polymost_fillpolygon(int32_t npoints)
{
globvis2 = 0;
polymost_setVisibility(globvis2);
globalx1 = mulscale16(globalx1,xyaspect);
globaly2 = mulscale16(globaly2,xyaspect);
xtex.u = ((float)asm1) * (1.f / 4294967296.f);
xtex.v = ((float)asm2) * (1.f / 4294967296.f);
ytex.u = ((float)globalx1) * (1.f / 4294967296.f);
ytex.v = ((float)globaly2) * (-1.f / 4294967296.f);
otex.u = (fxdim * xtex.u + fydim * ytex.u) * -0.5f + fglobalposx * (1.f / 4294967296.f);
otex.v = (fxdim * xtex.v + fydim * ytex.v) * -0.5f - fglobalposy * (1.f / 4294967296.f);
//Convert int32_t to float (in-place)
for (bssize_t i=0; i<npoints; ++i)
{
((float *)rx1)[i] = ((float)rx1[i])*(1.0f/4096.f);
((float *)ry1)[i] = ((float)ry1[i])*(1.0f/4096.f);
}
if (gloy1 != -1) polymostSet2dView(); //disables blending, texturing, and depth testing
glEnable(GL_ALPHA_TEST);
pthtyp const * const pth = our_texcache_fetch(DAMETH_NOMASK | (videoGetRenderMode() == REND_POLYMOST && r_useindexedcolortextures ? PTH_INDEXED : 0));
if (pth)
{
polymost_bindPth(pth, -1);
if (!(pth->flags & PTH_INDEXED))
polymost_usePaletteIndexing(false);
}
polymost_updatePalette();
float const f = getshadefactor(globalshade);
uint8_t const maskprops = (globalorientation>>7)&DAMETH_MASKPROPS;
handle_blend(maskprops > DAMETH_MASK, 0, maskprops == DAMETH_TRANS2);
if (maskprops > DAMETH_MASK)
{
glEnable(GL_BLEND);
glColor4f(f, f, f, float_trans(maskprops, 0));
}
else
{
glDisable(GL_BLEND);
glColor3f(f, f, f);
}
tessectrap((float *)rx1,(float *)ry1,xb1,npoints);
if (pth && !(pth->flags & PTH_INDEXED))
{
// restore palette usage if we were just rendering a non-indexed color texture
polymost_usePaletteIndexing(true);
}
}
static int32_t gen_font_glyph_tex(void)
{
// construct a 256x128 texture for the font glyph matrix
polymosttext = GLInterface.NewTexture();
if (!polymosttext) return -1;
char * const tbuf = (char *)Xmalloc(256*128*4);
Bmemset(tbuf, 0, 256*128*4);
char * cptr = (char *)textfont;
for (bssize_t h=0; h<256; h++)
{
char *tptr = tbuf + (h%32)*8*4 + (h/32)*256*8*4;
for (bssize_t i=0; i<8; i++)
{
for (bssize_t j=0; j<8; j++)
{
if (cptr[h*8+i] & pow2char[7-j])
{
Bmemset(tptr+4*j, 255, 4);
}
}
tptr += 256*4;
}
}
cptr = (char *)smalltextfont;
for (bssize_t h=0; h<256; h++)
{
char *tptr = tbuf + 256*64*4 + (h%32)*8*4 + (h/32)*256*8*4;
for (bssize_t i=1; i<7; i++)
{
for (bssize_t j=2; j<6; j++)
{
if (cptr[h*8+i] & pow2char[7-j])
{
Bmemset(tptr+4*(j-2), 255, 4);
}
}
tptr += 256*4;
}
}
polymosttext->CreateTexture(256, 128, false, false);
polymosttext->LoadTexture((uint8_t*)tbuf); // RGBA
polymosttext->SetSampler(Sampler2DNoFilter);
Bfree(tbuf);
return 0;
}
int32_t polymost_printext256(int32_t xpos, int32_t ypos, int16_t col, int16_t backcol, const char *name, char fontsize)
{
int const arbackcol = (unsigned)backcol < 256 ? backcol : 0;
// FIXME?
if (col < 0)
col = 0;
palette_t p, b;
bricolor(&p, col);
bricolor(&b, arbackcol);
if (videoGetRenderMode() < REND_POLYMOST || !in3dmode() || (!polymosttext && gen_font_glyph_tex() < 0))
return -1;
GLInterface.BindTexture(0, polymosttext);
polymost_setTexturePosSize({0, 0, 1, 1});
polymost_usePaletteIndexing(false);
polymostSet2dView(); // disables blending, texturing, and depth testing
glDisable(GL_ALPHA_TEST);
glDepthMask(GL_FALSE); // disable writing to the z-buffer
// glPushAttrib(GL_POLYGON_BIT|GL_ENABLE_BIT);
// XXX: Don't fogify the OSD text in Mapster32 with r_usenewshading >= 2.
polymost_setFogEnabled(false);
// We want to have readable text in wireframe mode, too:
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
lastglpolygonmode = 0;
if (backcol >= 0)
{
int const c = Bstrlen(name);
glColor4ub(b.r,b.g,b.b,255);
auto data = GLInterface.AllocVertices(4);
auto vt = data.second;
vt->SetTexCoord(); vt->SetVertex(xpos, ypos); vt++;
vt->SetTexCoord(); vt->SetVertex(xpos, ypos + (fontsize ? 6 : 8)); vt++;
vt->SetTexCoord(); vt->SetVertex(xpos + (c << (3 - fontsize)), ypos + (fontsize ? 6 : 8)); vt++;
vt->SetTexCoord(); vt->SetVertex(xpos+(c<<(3-fontsize)), ypos);
GLInterface.Draw(DT_TRIANGLE_FAN, data.first, 4);
}
glEnable(GL_BLEND);
glColor4ub(p.r,p.g,p.b,255);
vec2f_t const tc = { fontsize ? (4.f / 256.f) : (8.f / 256.f),
fontsize ? (6.f / 128.f) : (8.f / 128.f) };
for (bssize_t c=0; name[c]; ++c)
{
if (name[c] == '^' && isdigit(name[c+1]))
{
char smallbuf[8];
int bi = 0;
while (isdigit(name[c+1]) && bi<3)
{
smallbuf[bi++]=name[c+1];
c++;
}
smallbuf[bi++] = 0;
if (col)
{
col = Batol(smallbuf);
if ((unsigned) col >= 256)
col = 0;
}
bricolor(&p, col);
glColor4ub(p.r, p.g, p.b, 255);
continue;
}
vec2f_t const t = { (float)(name[c] % 32) * (1.0f / 32.f),
(float)((name[c] / 32) + (fontsize * 8)) * (1.0f / 16.f) };
auto data = GLInterface.AllocVertices(4);
auto vt = data.second;
vt->SetTexCoord(t.x, t.y);
vt->SetVertex(xpos, ypos);
vt++;
vt->SetTexCoord(t.x + tc.x, t.y);
vt->SetVertex(xpos + (8 >> fontsize), ypos);
vt++;
vt->SetTexCoord(t.x + tc.x, t.y + tc.y);
vt->SetVertex(xpos + (8 >> fontsize), ypos + (fontsize ? 6 : 8));
vt++;
vt->SetTexCoord(t.x, t.y + tc.y);
vt->SetVertex(xpos, ypos + (fontsize ? 6 : 8));
vt++;
GLInterface.Draw(DT_TRIANGLE_FAN, data.first, 4);
xpos += (8>>fontsize);
}
glDepthMask(GL_TRUE); // re-enable writing to the z-buffer
// glPopAttrib();
if (!nofog) polymost_setFogEnabled(true);
polymost_usePaletteIndexing(true);
return 0;
}
// Console commands by JBF
static int32_t gltexturemode(osdcmdptr_t parm)
{
int32_t m;
char *p;
if (parm->numparms != 1)
{
OSD_Printf("Current texturing mode is %s\n", glfiltermodes[gltexfiltermode].name);
OSD_Printf(" Vaild modes are:\n");
for (m = 0; m < NUMGLFILTERMODES; m++)
OSD_Printf(" %d - %s\n", m, glfiltermodes[m].name);
return OSDCMD_OK;
}
m = Bstrtoul(parm->parms[0], &p, 10);
if (p == parm->parms[0])
{
// string
for (m = 0; m < NUMGLFILTERMODES; m++)
{
if (!Bstrcasecmp(parm->parms[0], glfiltermodes[m].name))
break;
}
if (m == NUMGLFILTERMODES)
m = gltexfiltermode; // no change
}
else
{
m = clamp(m, 0, NUMGLFILTERMODES-1);
}
gltexfiltermode = m;
gltexapplyprops();
OSD_Printf("Texture filtering mode changed to %s\n", glfiltermodes[gltexfiltermode].name);
return OSDCMD_OK;
}
static int osdcmd_cvar_set_polymost(osdcmdptr_t parm)
{
int32_t r = osdcmd_cvar_set(parm);
if (xdim == 0 || ydim == 0 || bpp == 0) // video not set up yet
{
if (r == OSDCMD_OK)
{
#ifdef POLYMER
if (!Bstrcasecmp(parm->name, "r_pr_maxlightpasses"))
pr_maxlightpasses = r_pr_maxlightpasses;
#endif
}
return r;
}
if (r == OSDCMD_OK)
{
if (!Bstrcasecmp(parm->name, "r_swapinterval"))
vsync = videoSetVsync(vsync);
else if (!Bstrcasecmp(parm->name, "r_downsize"))
{
if (r_downsizevar == -1)
r_downsizevar = r_downsize;
if (in3dmode() && r_downsize != r_downsizevar)
{
videoResetMode();
if (videoSetGameMode(fullscreen,xres,yres,bpp,upscalefactor))
OSD_Printf("restartvid: Reset failed...\n");
}
r_downsizevar = r_downsize;
}
else if (!Bstrcasecmp(parm->name, "r_anisotropy"))
gltexapplyprops();
else if (!Bstrcasecmp(parm->name, "r_texfilter"))
gltexturemode(parm);
else if (!Bstrcasecmp(parm->name, "r_usenewshading"))
glFogi(GL_FOG_MODE, (r_usenewshading < 2) ? GL_EXP2 : GL_LINEAR);
}
return r;
}
void polymost_initosdfuncs(void)
{
uint32_t i;
static osdcvardata_t cvars_polymost[] =
{
{ "r_enablepolymost2","enable/disable polymost2",(void *) &r_enablepolymost2, CVAR_BOOL, 0, 0 }, //POGO: temporarily disable this variable
{ "r_pogoDebug","",(void *) &r_pogoDebug, CVAR_BOOL | CVAR_NOSAVE, 0, 1 },
{ "r_animsmoothing","enable/disable model animation smoothing",(void *) &r_animsmoothing, CVAR_BOOL, 0, 1 },
{ "r_downsize","controls downsizing factor (quality) for hires textures",(void *) &r_downsize, CVAR_INT|CVAR_FUNCPTR, 0, 5 },
{ "r_fullbrights","enable/disable fullbright textures",(void *) &r_fullbrights, CVAR_BOOL, 0, 1 },
{ "r_parallaxskyclamping","enable/disable parallaxed floor/ceiling sky texture clamping", (void *) &r_parallaxskyclamping, CVAR_BOOL, 0, 1 },
{ "r_parallaxskypanning","enable/disable parallaxed floor/ceiling panning when drawing a parallaxing sky", (void *) &r_parallaxskypanning, CVAR_BOOL, 0, 1 },
#ifdef USE_GLEXT
{ "r_detailmapping","enable/disable detail mapping",(void *) &r_detailmapping, CVAR_BOOL, 0, 1 },
{ "r_glowmapping","enable/disable glow mapping",(void *) &r_glowmapping, CVAR_BOOL, 0, 1 },
#endif
#ifndef EDUKE32_GLES
{ "r_polygonmode","debugging feature",(void *) &r_polygonmode, CVAR_INT | CVAR_NOSAVE, 0, 3 },
#endif
{ "r_shadescale","multiplier for shading",(void *) &shadescale, CVAR_FLOAT, 0, 10 },
{ "r_shadescale_unbounded","enable/disable allowance of complete blackness",(void *) &shadescale_unbounded, CVAR_BOOL, 0, 1 },
{ "r_swapinterval","sets the GL swap interval (VSync)",(void *) &vsync, CVAR_INT|CVAR_FUNCPTR, -1, 1 },
{
"r_npotwallmode", "enable/disable emulation of walls with non-power-of-two height textures (Polymost, r_hightile 0)",
(void *) &r_npotwallmode, CVAR_INT, 0, 2
},
{ "r_anisotropy", "changes the OpenGL texture anisotropy setting", (void *) &glanisotropy, CVAR_INT|CVAR_FUNCPTR, 0, 16 },
{ "r_texturemaxsize","changes the maximum OpenGL texture size limit",(void *) &gltexmaxsize, CVAR_INT | CVAR_NOSAVE, 0, 4096 },
{ "r_texturemiplevel","changes the highest OpenGL mipmap level used",(void *) &gltexmiplevel, CVAR_INT, 0, 6 },
{ "r_texfilter", "changes the texture filtering settings (may require restart)", (void *) &gltexfiltermode, CVAR_INT|CVAR_FUNCPTR, 0, 5 },
{ "r_useindexedcolortextures", "enable/disable indexed color texture rendering", (void *) &r_useindexedcolortextures, CVAR_INT, 0, 1 },
{ "r_usenewshading",
"visibility/fog code: 0: orig. Polymost 1: 07/2011 2: linear 12/2012 3: no neg. start 03/2014 4: base constant on shade table 11/2017",
(void *) &r_usenewshading, CVAR_INT|CVAR_FUNCPTR, 0, 4
},
{ "r_projectionhack", "enable/disable projection hack", (void *) &glprojectionhacks, CVAR_INT, 0, 1 },
{ "r_shadeinterpolate", "enable/disable shade interpolation", (void *) &r_shadeinterpolate, CVAR_INT, 0, 1 },
{ "r_yshearing", "enable/disable y-shearing", (void*)&r_yshearing, CVAR_INT, 0, 1 },
#ifdef __ANDROID__
{ "r_models","enable/disable model rendering",(void *) &usemodels, CVAR_BOOL | CVAR_NOSAVE, 0, 1 },
#else
{ "r_models","enable/disable model rendering",(void *) &usemodels, CVAR_BOOL, 0, 1 },
#endif
{ "r_nofog", "enable/disable GL fog", (void *)&nofog, CVAR_BOOL, 0, 1},
{ "r_hightile","enable/disable hightile texture rendering",(void *) &usehightile, CVAR_BOOL, 0, 1 },
{ "r_preview_mouseaim", "toggles mouse aiming preview, use this to calibrate yxaspect in Polymost Mapster32", (void *) &preview_mouseaim, CVAR_BOOL, 0, 1 },
};
for (i=0; i<ARRAY_SIZE(cvars_polymost); i++)
OSD_RegisterCvar(&cvars_polymost[i], (cvars_polymost[i].flags & CVAR_FUNCPTR) ? osdcmd_cvar_set_polymost : osdcmd_cvar_set);
}
void polymost_precache(int32_t dapicnum, int32_t dapalnum, int32_t datype)
{
// dapicnum and dapalnum are like you'd expect
// datype is 0 for a wall/floor/ceiling and 1 for a sprite
// basically this just means walls are repeating
// while sprites are clamped
if (videoGetRenderMode() < REND_POLYMOST) return;
if ((dapalnum < (MAXPALOOKUPS - RESERVEDPALS)) && (palookup[dapalnum] == NULL)) return;//dapalnum = 0;
//OSD_Printf("precached %d %d type %d\n", dapicnum, dapalnum, datype);
hicprecaching = 1;
texcache_fetch(dapicnum, dapalnum, 0, (datype & 1)*(DAMETH_CLAMPED|DAMETH_MASK));
hicprecaching = 0;
if (datype == 0 || !usemodels) return;
int const mid = md_tilehasmodel(dapicnum, dapalnum);
if (mid < 0 || models[mid]->mdnum < 2) return;
int const surfaces = (models[mid]->mdnum == 3) ? ((md3model_t *)models[mid])->head.numsurfs : 0;
for (int i = 0; i <= surfaces; i++)
mdloadskin((md2model_t *)models[mid], 0, dapalnum, i);
}
#else /* if !defined USE_OPENGL */
#include "compat.h"
#endif
// vim:ts=4:sw=4:
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