/**************************************************************************************************
"POLYMOST" code originally written by Ken Silverman
Ken Silverman's official web site: http://www.advsys.net/ken
**************************************************************************************************/
#ifdef USE_OPENGL
#include "compat.h"
#include "build.h"
#include "glbuild.h"
#include "mdsprite.h"
#include "pragmas.h"
#include "baselayer.h"
#include "osd.h"
#include "engine_priv.h"
#include "hightile.h"
#include "polymost.h"
#include "polymer.h"
#include "cache1d.h"
#include "kplib.h"
#include "texcache.h"
#include "common.h"
#ifndef _WIN32
extern int32_t filelength(int h); // kplib.c
#endif
extern char textfont[2048], smalltextfont[2048];
int32_t rendmode=0;
int32_t usemodels=1;
int32_t usehightile=1;
int32_t vsync=0;
#include <math.h> //<-important!
#include <float.h>
typedef struct { float x, cy[2], fy[2]; int32_t tag; int16_t n, p, ctag, ftag; } vsptyp;
#define VSPMAX 4096 //<- careful!
static vsptyp vsp[VSPMAX];
static int32_t gtag;
static float dxb1[MAXWALLSB], dxb2[MAXWALLSB];
#define SCISDIST 1.0f //1.0: Close plane clipping distance
float shadescale = 1.0f;
int32_t shadescale_unbounded = 0;
int32_t r_usenewshading = 3;
int32_t r_usetileshades = 2;
int32_t r_npotwallmode = 0;
static float gviewxrange;
static float ghoriz;
float gxyaspect;
float gyxscale, ghalfx, grhalfxdown10, grhalfxdown10x;
float gcosang, gsinang, gcosang2, gsinang2;
float gchang, gshang, gctang, gstang, gvisibility;
float gtang = 0.f;
static vec3d_t xtex, ytex, otex;
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;
#ifdef REDBLUEMODE
int32_t glredbluemode = 0;
static int32_t lastglredbluemode = 0, redblueclearcnt = 0;
#endif
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 = 1; // 0 = maximum supported by card
int32_t gltexfiltermode = TEXFILTER_OFF;
#ifdef EDUKE32_GLES
int32_t glusetexcompr = 0;
int32_t glusetexcache = 0, glusememcache = 0;
#else
int32_t glusetexcompr = 1;
int32_t glusetexcache = 2, glusememcache = 1;
int32_t r_polygonmode = 0; // 0:GL_FILL,1:GL_LINE,2:GL_POINT //FUK
static int32_t lastglpolygonmode = 0; //FUK
#endif
#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 GLuint polymosttext = 0;
int32_t glrendmode = REND_POLYMOST;
// This variable, and 'shadeforfullbrightpass' control the drawing of
// fullbright tiles. Also see 'fullbrightloadingpass'.
int32_t r_fullbrights = 1;
int32_t r_vertexarrays = 1;
#ifdef USE_GLEXT
int32_t r_vbos = 1;
int32_t r_vbocount = 64;
#endif
int32_t r_animsmoothing = 1;
int32_t r_downsize = 0;
int32_t r_downsizevar = -1;
// used for fogcalc
static float fogresult, fogresult2;
coltypef fogcol, fogtable[MAXPALOOKUPS];
static const float float_trans[4] = { 1.0f, 1.0f, 0.66f, 0.33f };
char ptempbuf[MAXWALLSB<<1];
// polymost ART sky control
int32_t r_parallaxskyclamping = 1;
int32_t r_parallaxskypanning = 0;
#define MIN_CACHETIME_PRINT 10
// this was faster in MSVC but slower with GCC... currently unknown on ARM where both
// the FPU and possibly the optimization path in the compiler need improvement
#if 0
static inline int32_t __float_as_int(float f) { return *(int32_t *) &f; }
static inline float __int_as_float(int32_t d) { return *(float *) &d; }
static inline float Bfabsf(float f) { return __int_as_float(__float_as_int(f)&0x7fffffff); }
#else
#define Bfabsf fabsf
#endif
int32_t mdtims, omdtims;
uint8_t alphahackarray[MAXTILES];
int32_t drawingskybox = 0;
int32_t hicprecaching = 0;
hitdata_t polymost_hitdata;
#if 0
static inline int32_t gltexmayhavealpha(int32_t dapicnum, int32_t dapalnum)
{
const int32_t j = (dapicnum&(GLTEXCACHEADSIZ-1));
pthtyp *pth;
for (pth=texcache.list[j]; pth; pth=pth->next)
if (pth->picnum == dapicnum && pth->palnum == dapalnum)
return ((pth->flags&PTH_HASALPHA) != 0);
return 1;
}
#endif
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 (int j=0; j<=GLTEXCACHEADSIZ-1; j++)
{
for (pthtyp *pth=texcache.list[j]; pth; pth=pth->next)
{
if (type == INVALIDATE_ALL || (type == INVALIDATE_ART && pth->hicr == NULL))
{
pth->flags |= PTH_INVALIDATED;
if (pth->flags & PTH_HASFULLBRIGHT)
pth->ofb->flags |= PTH_INVALIDATED;
}
}
}
clearskins(type);
#ifdef DEBUGGINGAIDS
OSD_Printf("gltexinvalidateall()\n");
#endif
}
static void bind_2d_texture(GLuint texture, int filter)
{
if (filter == -1)
filter = gltexfiltermode;
bglBindTexture(GL_TEXTURE_2D, texture);
bglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, glfiltermodes[filter].mag);
bglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, glfiltermodes[filter].min);
#ifdef USE_GLEXT
if (glinfo.maxanisotropy > 1.f)
bglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT, glanisotropy);
#endif
}
void gltexapplyprops(void)
{
if (getrendermode() == REND_CLASSIC)
return;
if (glinfo.maxanisotropy > 1.f)
{
if (glanisotropy <= 0 || glanisotropy > glinfo.maxanisotropy)
glanisotropy = (int32_t)glinfo.maxanisotropy;
}
gltexfiltermode = clamp(gltexfiltermode, 0, NUMGLFILTERMODES-1);
for (int i=0; i<=GLTEXCACHEADSIZ-1; i++)
{
for (pthtyp *pth=texcache.list[i]; pth; pth=pth->next)
{
int32_t const filter = pth->flags & PTH_FORCEFILTER ? TEXFILTER_ON : -1;
bind_2d_texture(pth->glpic, filter);
if (r_fullbrights && pth->flags & PTH_HASFULLBRIGHT)
bind_2d_texture(pth->ofb->glpic, filter);
}
}
for (int i=0; i<nextmodelid; i++)
{
md2model_t *m = (md2model_t *)models[i];
if (m->mdnum < 2)
continue;
for (int j = 0; j < m->numskins * (HICEFFECTMASK + 1); j++)
{
if (!m->texid[j])
continue;
bind_2d_texture(m->texid[j], -1);
}
for (mdskinmap_t *sk = m->skinmap; sk; sk = sk->next)
for (int j = 0; j < (HICEFFECTMASK + 1); j++)
{
if (!sk->texid[j])
continue;
bind_2d_texture(sk->texid[j], sk->flags & HICR_FORCEFILTER ? TEXFILTER_ON : -1);
}
}
}
//--------------------------------------------------------------------------------------------------
float glox1, gloy1, glox2, gloy2;
//Use this for both initialization and uninitialization of OpenGL.
static int32_t gltexcacnum = -1;
void polymost_glreset()
{
for (int 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 (int i = 0; i <= GLTEXCACHEADSIZ-1; i++)
{
for (pthtyp *pth = texcache.list[i]; pth;)
{
pthtyp *const next = pth->next;
if (pth->flags & PTH_HASFULLBRIGHT)
{
bglDeleteTextures(1, &pth->ofb->glpic);
Bfree(pth->ofb);
}
bglDeleteTextures(1, &pth->glpic);
Bfree(pth);
pth = next;
}
texcache.list[i] = NULL;
}
clearskins(INVALIDATE_ALL);
}
if (polymosttext)
bglDeleteTextures(1,&polymosttext);
polymosttext=0;
#ifdef USE_GLEXT
md_freevbos();
#endif
Bmemset(texcache.list,0,sizeof(texcache.list));
glox1 = -1;
texcache_freeptrs();
texcache_syncmemcache();
#ifdef DEBUGGINGAIDS
OSD_Printf("polymost_glreset()\n");
#endif
}
// one-time initialization of OpenGL for polymost
void polymost_glinit()
{
bglHint(GL_FOG_HINT, GL_NICEST);
bglFogi(GL_FOG_MODE, (r_usenewshading < 2) ? GL_EXP2 : GL_LINEAR);
bglBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
bglPixelStorei(GL_PACK_ALIGNMENT, 1);
bglPixelStorei(GL_UNPACK_ALIGNMENT, 1);
//bglHint(GL_LINE_SMOOTH_HINT, GL_NICEST);
//bglEnable(GL_LINE_SMOOTH);
#ifdef USE_GLEXT
if (glmultisample > 0 && glinfo.multisample)
{
if (glinfo.nvmultisamplehint)
bglHint(GL_MULTISAMPLE_FILTER_HINT_NV, glnvmultisamplehint ? GL_NICEST:GL_FASTEST);
bglEnable(GL_MULTISAMPLE_ARB);
}
if (!glinfo.multitex || !glinfo.envcombine)
{
if (r_detailmapping)
{
OSD_Printf("Your OpenGL implementation doesn't support detail mapping. Disabling...\n");
r_detailmapping = 0;
}
if (r_glowmapping)
{
OSD_Printf("Your OpenGL implementation doesn't support glow mapping. Disabling...\n");
r_glowmapping = 0;
}
}
if (r_vbos && (!glinfo.vbos))
{
OSD_Printf("Your OpenGL implementation doesn't support Vertex Buffer Objects. Disabling...\n");
r_vbos = 0;
}
#endif
bglEnableClientState(GL_VERTEX_ARRAY);
bglEnableClientState(GL_TEXTURE_COORD_ARRAY);
texcache_init();
texcache_loadoffsets();
texcache_openfiles();
texcache_setupmemcache();
texcache_checkgarbage();
}
////////// VISIBILITY FOG ROUTINES //////////
extern int32_t nofog; // in windows/SDL layers
// 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));
}
if (f < 0.001f)
f = 0.001f;
else if (f > 100.0f)
f = 100.0f;
fogresult = f;
}
// For GL_LINEAR fog:
#define FOGDISTCONST 600
#define FULLVIS_BEGIN 2.9e30f
#define FULLVIS_END 3.0e30f
static inline void fogcalc(int32_t tile, int32_t shade, int32_t vis, int32_t pal)
{
if (shade > 0 && getrendermode() == REND_POLYMOST && r_usetileshades == 1 &&
!(globalflags & GLOBAL_NO_GL_TILESHADES) &&
(!usehightile || !hicfindsubst(tile, pal)) &&
(!usemodels || md_tilehasmodel(tile, pal) < 0))
shade >>= 1;
fogcol = fogtable[pal];
if (r_usenewshading < 2)
{
fogcalc_old(shade, vis);
return;
}
float combvis = (float) globalvisibility * (uint8_t) (vis+16);
if (combvis == 0)
{
if (r_usenewshading == 2 && shade > 0)
{
// beg = -D*shade, end = D*(NUMSHADES-1-shade)
// => end/beg = -(NUMSHADES-1-shade)/shade
fogresult = (float) -FULLVIS_BEGIN;
fogresult2 = FULLVIS_BEGIN * (float) (numshades-1-shade)/shade;
}
else
{
fogresult = (float) FULLVIS_BEGIN;
fogresult2 = (float) 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 : -(FOGDISTCONST * shade) * combvis;
fogresult2 = (FOGDISTCONST * (numshades-1-shade)) * combvis;
}
}
void calc_and_apply_fog(int32_t tile, int32_t shade, int32_t vis, int32_t pal)
{
fogcalc(tile, shade, vis, pal);
bglFogfv(GL_FOG_COLOR, (GLfloat *)&fogcol);
if (r_usenewshading < 2)
bglFogf(GL_FOG_DENSITY, fogresult);
else
{
bglFogf(GL_FOG_START, fogresult);
bglFogf(GL_FOG_END, fogresult2);
}
}
void calc_and_apply_fog_factor(int32_t tile, int32_t shade, int32_t vis, int32_t pal, float factor)
{
// NOTE: for r_usenewshading >= 2, the fog beginning/ending distance results are
// unused.
fogcalc(tile, shade, vis, pal);
bglFogfv(GL_FOG_COLOR, (GLfloat *)&fogcol);
if (r_usenewshading < 2)
bglFogf(GL_FOG_DENSITY, fogresult*factor);
else
{
bglFogf(GL_FOG_START, (GLfloat) FULLVIS_BEGIN);
bglFogf(GL_FOG_END, (GLfloat) FULLVIS_END);
}
}
////////////////////
static float get_projhack_ratio(void)
{
if (glprojectionhacks)
{
float const mul = (gshang * gshang);
return 1.05f + mul * mul * mul * mul;
}
// No projection hacks (legacy or new-aspect)
return 1.f;
}
static void resizeglcheck(void)
{
#ifdef REDBLUEMODE
if (glredbluemode < lastglredbluemode)
{
glox1 = -1;
bglColorMask(1,1,1,1);
}
else if (glredbluemode != lastglredbluemode)
{
redblueclearcnt = 0;
}
lastglredbluemode = glredbluemode;
#endif
#ifndef EDUKE32_GLES
//FUK
if (lastglpolygonmode != r_polygonmode)
{
lastglpolygonmode = r_polygonmode;
switch (r_polygonmode)
{
default:
case 0:
bglPolygonMode(GL_FRONT_AND_BACK,GL_FILL); break;
case 1:
bglPolygonMode(GL_FRONT_AND_BACK,GL_LINE); break;
case 2:
bglPolygonMode(GL_FRONT_AND_BACK,GL_POINT); break;
}
}
if (r_polygonmode) //FUK
{
bglClearColor(1.0,1.0,1.0,0.0);
bglClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
bglDisable(GL_TEXTURE_2D);
}
#else
bglPolygonMode(GL_FRONT_AND_BACK,GL_FILL);
#endif
if ((glox1 != windowx1) || (gloy1 != windowy1) || (glox2 != windowx2) || (gloy2 != windowy2))
{
const int32_t ourxdimen = (windowx2-windowx1+1);
float ratio = get_projhack_ratio();
const int32_t fovcorrect = (int32_t)(ourxdimen*ratio - ourxdimen);
ratio = 1.f/ratio;
glox1 = (float)windowx1; gloy1 = (float)windowy1;
glox2 = (float)windowx2; gloy2 = (float)windowy2;
bglViewport(windowx1-(fovcorrect/2), yres-(windowy2+1),
ourxdimen+fovcorrect, windowy2-windowy1+1);
bglMatrixMode(GL_PROJECTION);
float m[4][4];
Bmemset(m,0,sizeof(m));
m[0][0] = fydimen * ratio; m[0][2] = 1.f;
m[1][1] = fxdimen; m[1][2] = 1.f;
m[2][2] = 1.f; m[2][3] = fydimen * ratio;
m[3][2] =-1.f;
bglLoadMatrixf(&m[0][0]);
bglMatrixMode(GL_MODELVIEW);
bglLoadIdentity();
if (!nofog) bglEnable(GL_FOG);
//bglEnable(GL_TEXTURE_2D);
}
}
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.x = min(doxy.x, dasiz.x); doxy.y = 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 (int y=doxy.y; y>=0; y--)
{
coltype * wpptr = &dapic[y*dasiz2.x+doxy.x];
for (int 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;
}
}
}
}
#if defined EDUKE32_GLES
// sorted first in increasing order of size, then in decreasing order of quality
static int32_t const texfmts_rgb_mask[] = { GL_RGB5_A1, GL_RGBA, 0 };
static int32_t const texfmts_rgb[] = { GL_RGB565, GL_RGB5_A1, GL_RGB, GL_RGBA, 0 };
static int32_t const texfmts_rgba[] = { GL_RGBA4, GL_RGBA, 0 } ;
static int32_t const *texfmt_rgb_mask = texfmts_rgb_mask;
static int32_t const *texfmt_rgb = texfmts_rgb;
static int32_t const *texfmt_rgba = texfmts_rgba;
static int32_t polymost_glTexImage2D_error(int32_t * intexfmt, int32_t const **intexfmt_master)
{
GLenum err;
while ((err = bglGetError()) != GL_NO_ERROR)
{
if ((*intexfmt = *++*intexfmt_master) == 0)
{
initprintf("No texture formats supported (error 0x%X).\n", err);
Bfflush(NULL);
uninitengine();
Bexit(565);
}
return 1;
}
return 0;
}
#else
# define polymost_glTexImage2D_error(...) (0)
#endif
void uploadtexture(int32_t doalloc, vec2_t siz, int32_t texfmt,
coltype *pic, vec2_t tsiz, int32_t dameth)
{
const int artimmunity = !!(dameth & DAMETH_ARTIMMUNITY);
const int hi = !!(dameth & DAMETH_HI);
const int nodownsize = !!(dameth & DAMETH_NODOWNSIZE) || artimmunity;
const int nomiptransfix = !!(dameth & DAMETH_NOFIX);
const int hasalpha = !!(dameth & DAMETH_HASALPHA) && (dameth & DAMETH_MASKPROPS) != DAMETH_NOMASK;
#if !defined EDUKE32_GLES
const int texcompress_ok = glinfo.texcompr && !(dameth & DAMETH_NOTEXCOMPRESS) && (glusetexcompr == 2 || (glusetexcompr && !artimmunity));
int32_t intexfmt;
if (texcompress_ok)
intexfmt = hasalpha ? GL_COMPRESSED_RGBA_ARB : GL_COMPRESSED_RGB_ARB;
else
intexfmt = hasalpha ? GL_RGBA : GL_RGB;
#else
const int onebitalpha = !!(dameth & DAMETH_ONEBITALPHA);
int32_t const ** intexfmt_master = hasalpha ? (onebitalpha ? &texfmt_rgb_mask : &texfmt_rgba) : &texfmt_rgb;
int32_t intexfmt = **intexfmt_master;
#endif
dameth &= ~DAMETH_UPLOADTEXTURE_MASK;
if (gltexmaxsize <= 0)
{
GLint i = 0;
bglGetIntegerv(GL_MAX_TEXTURE_SIZE, &i);
if (!i) gltexmaxsize = 6; // 2^6 = 64 == default GL max texture size
else
{
gltexmaxsize = 0;
for (; i>1; i>>=1) gltexmaxsize++;
#ifdef EDUKE32_GLES
while ((1<<gltexmaxsize) > xdim)
gltexmaxsize--;
#endif
}
}
gltexmiplevel = max(0, min(gltexmaxsize-1, gltexmiplevel));
int miplevel = gltexmiplevel;
while ((siz.x >> miplevel) > (1 << gltexmaxsize) || (siz.y >> miplevel) > (1 << gltexmaxsize))
miplevel++;
if (hi && !nodownsize && r_downsize > miplevel)
miplevel = r_downsize;
if (!miplevel)
{
BuildGLErrorCheck(); // XXX
do
{
if (doalloc&1)
bglTexImage2D(GL_TEXTURE_2D,0,intexfmt,siz.x,siz.y,0,texfmt,GL_UNSIGNED_BYTE,pic); //loading 1st time
else
bglTexSubImage2D(GL_TEXTURE_2D,0,0,0,siz.x,siz.y,texfmt,GL_UNSIGNED_BYTE,pic); //overwrite old texture
}
while (polymost_glTexImage2D_error(&intexfmt, intexfmt_master));
}
vec2_t siz2 = siz;
for (int j=1; (siz2.x > 1) || (siz2.y > 1); j++)
{
vec2_t const siz3 = { max(1, siz2.x >> 1), max(1, siz2.y >> 1) }; // this came from the GL_ARB_texture_non_power_of_two spec
//x3 = ((x2+1)>>1); y3 = ((y2+1)>>1);
for (int y=0; y<siz3.y; y++)
{
coltype *wpptr = &pic[y*siz3.x];
coltype const *rpptr = &pic[(y<<1)*siz2.x];
for (int x=0; x<siz3.x; x++,wpptr++,rpptr+=2)
{
int32_t r=0, g=0, b=0, a=0, k=0;
if (rpptr[0].a) { r += rpptr[0].r; g += rpptr[0].g; b += rpptr[0].b; a += rpptr[0].a; k++; }
if ((x+x+1 < siz2.x) && (rpptr[1].a)) { r += rpptr[1].r; g += rpptr[1].g; b += rpptr[1].b; a += rpptr[1].a; k++; }
if (y+y+1 < siz2.y)
{
if ((rpptr[siz2.x].a)) { r += rpptr[siz2.x ].r; g += rpptr[siz2.x ].g; b += rpptr[siz2.x ].b; a += rpptr[siz2.x ].a; k++; }
if ((x+x+1 < siz2.x) && (rpptr[siz2.x+1].a)) { r += rpptr[siz2.x+1].r; g += rpptr[siz2.x+1].g; b += rpptr[siz2.x+1].b; a += rpptr[siz2.x+1].a; k++; }
}
switch (k)
{
case 0:
case 1:
wpptr->r = r; wpptr->g = g; wpptr->b = b; wpptr->a = a; break;
case 2:
wpptr->r = ((r+1)>>1); wpptr->g = ((g+1)>>1); wpptr->b = ((b+1)>>1); wpptr->a = ((a+1)>>1); break;
case 3:
wpptr->r = ((r*85+128)>>8); wpptr->g = ((g*85+128)>>8); wpptr->b = ((b*85+128)>>8); wpptr->a = ((a*85+128)>>8); break;
case 4:
wpptr->r = ((r+2)>>2); wpptr->g = ((g+2)>>2); wpptr->b = ((b+2)>>2); wpptr->a = ((a+2)>>2); break;
default:
EDUKE32_UNREACHABLE_SECTION(break);
}
//if (wpptr->a) wpptr->a = 255;
}
}
if (!nomiptransfix)
{
vec2_t const tsizzle = { (tsiz.x + (1 << j)-1) >> j, (tsiz.y + (1 << j)-1) >> j };
vec2_t const mnizzle = { siz3.x, siz3.y };
fixtransparency(pic, tsizzle, mnizzle, dameth);
}
if (j >= miplevel)
{
BuildGLErrorCheck(); // XXX
do
{
if (doalloc & 1) // loading 1st time
bglTexImage2D(GL_TEXTURE_2D, j - miplevel, intexfmt, siz3.x, siz3.y, 0, texfmt, GL_UNSIGNED_BYTE, pic);
else // overwrite old texture
bglTexSubImage2D(GL_TEXTURE_2D, j - miplevel, 0, 0, siz3.x, siz3.y, texfmt, GL_UNSIGNED_BYTE, pic);
}
while (polymost_glTexImage2D_error(&intexfmt, intexfmt_master));
}
siz2 = siz3;
}
}
#if 0
// TODO: make configurable
static int32_t tile_is_sky(int32_t tilenum)
{
return return (tilenum >= 78 /*CLOUDYOCEAN*/ && tilenum <= 99 /*REDSKY2*/);
}
#else
# define tile_is_sky(x) (0)
#endif
static void polymost_setuptexture(const int32_t dameth, int filter)
{
const GLuint clamp_mode = glinfo.clamptoedge ? GL_CLAMP_TO_EDGE : GL_CLAMP;
gltexfiltermode = clamp(gltexfiltermode, 0, NUMGLFILTERMODES-1);
if (filter == -1)
filter = gltexfiltermode;
bglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, glfiltermodes[filter].mag);
bglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, glfiltermodes[filter].min);
#ifdef USE_GLEXT
if (glinfo.maxanisotropy > 1.f)
{
uint32_t i = (unsigned)Blrintf(glinfo.maxanisotropy);
if ((unsigned)glanisotropy > i)
glanisotropy = i;
bglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT, glanisotropy);
}
#endif
if (!(dameth & DAMETH_CLAMPED))
{
bglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, !tile_is_sky(dapic) ? GL_REPEAT : clamp_mode);
bglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
}
else
{
// For sprite textures, clamping looks better than wrapping
bglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, clamp_mode);
bglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, clamp_mode);
}
}
void gloadtile_art(int32_t dapic, int32_t dapal, int32_t tintpalnum, int32_t dashade, int32_t dameth, pthtyp *pth, int32_t doalloc)
{
static int32_t fullbrightloadingpass = 0;
vec2_t siz, tsiz = tilesiz[dapic];
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));
char hasalpha = 0, hasfullbright = 0;
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 (int y = 0; y < siz.y; y++)
{
coltype *wpptr = &pic[y * siz.x];
int32_t y2 = (y < tsiz.y) ? y : y - tsiz.y;
for (int 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)
{
uint8_t const r = hictinting[tintpalnum].r;
uint8_t const g = hictinting[tintpalnum].g;
uint8_t const b = hictinting[tintpalnum].b;
uint8_t const effect = hictinting[tintpalnum].f;
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;
}
}
}
}
}
if (doalloc) bglGenTextures(1,(GLuint *)&pth->glpic); //# of textures (make OpenGL allocate structure)
bglBindTexture(GL_TEXTURE_2D,pth->glpic);
fixtransparency(pic,tsiz,siz,dameth);
int32_t npoty = 0;
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 = PTH_NPOTWALL;
}
uploadtexture(doalloc, siz, GL_RGBA, pic, tsiz,
dameth | DAMETH_ARTIMMUNITY |
(dapic >= MAXUSERTILES ? (DAMETH_NOTEXCOMPRESS|DAMETH_NODOWNSIZE) : 0) | /* never process these short-lived tiles */
(hasalpha ? (DAMETH_HASALPHA|DAMETH_ONEBITALPHA) : 0));
Bfree(pic);
polymost_setuptexture(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) | npoty;
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;
pth->ofb = (pthtyp *)Xcalloc(1,sizeof(pthtyp));
pth->flags |= PTH_HASFULLBRIGHT;
gloadtile_art(dapic, dapal, -1, 0, dameth, 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, char 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;
}
int32_t filh;
if (EDUKE32_PREDICT_FALSE((filh = kopen4load(fn, 0)) < 0))
{
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 = getticks(), willprint = 0;
char hasalpha;
texcacheheader cachead;
int32_t gotcache = texcache_readtexheader(fn, picfillen+(dapalnum<<8), dameth, effect, &cachead, 0);
vec2_t siz = { 0, 0 }, tsiz = { 0, 0 };
if (gotcache && !texcache_loadtile(&cachead, &doalloc, pth))
{
tsiz.x = cachead.xdim;
tsiz.y = cachead.ydim;
hasalpha = !!(cachead.flags & CACHEAD_HASALPHA);
}
else
{
// CODEDUP: mdloadskin
int32_t isart = 0;
gotcache = 0; // the compressed version will be saved to disk
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 (E_CheckUnitArtFileHeader((uint8_t *)kpzbuf, picfillen))
return -1;
tsiz.x = B_LITTLE16(B_UNBUF16(&kpzbuf[16]));
tsiz.y = 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)
{
E_RenderArtDataIntoBuffer((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 *)Bmalloc(siz.x*siz.y*sizeof(coltype));
lastsize = siz.x*siz.y;
}
else if (lastsize < siz.x*siz.y)
{
Bfree(lastpic);
lastpic = (coltype *)Bmalloc(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];
int32_t r = (glinfo.bgra) ? hictinting[dapalnum].r : hictinting[dapalnum].b;
int32_t g = hictinting[dapalnum].g;
int32_t b = (glinfo.bgra) ? hictinting[dapalnum].b : hictinting[dapalnum].r;
char al = 255;
char onebitalpha = 1;
for (int32_t y = 0, j = 0; y < tsiz.y; ++y, j += siz.x)
{
coltype tcol, *rpptr = &pic[j];
for (int32_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);
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 (int 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)
bglGenTextures(1, &pth->glpic); //# of textures (make OpenGL allocate structure)
bglBindTexture(GL_TEXTURE_2D,pth->glpic);
fixtransparency(pic,tsiz,siz,dameth);
int32_t const texfmt = glinfo.bgra ? GL_BGRA : GL_RGBA;
uploadtexture(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.x = (float)tsiz.x * (1.0f/64.f);
pth->scale.y = (float)tsiz.y * (1.0f/64.f);
}
else
{
pth->scale.x = (float)tsiz.x / (float)tilesiz[dapic].x;
pth->scale.y = (float)tsiz.y / (float)tilesiz[dapic].y;
}
polymost_setuptexture(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) |
(hasalpha ? PTH_HASALPHA : 0) |
(hicr->flags & HICR_FORCEFILTER ? PTH_FORCEFILTER : 0);
pth->skyface = facen;
pth->hicr = hicr;
if (!gotcache && glinfo.texcompr && glusetexcache && !(hicr->flags & HICR_NOTEXCOMPRESS) &&
(glusetexcompr == 2 || (glusetexcompr && !(hicr->flags & HICR_ARTIMMUNITY))))
{
const int32_t nonpow2 = check_nonpow2(siz.x) || check_nonpow2(siz.y);
// save off the compressed version
cachead.quality = (hicr->flags & (HICR_NODOWNSIZE|HICR_ARTIMMUNITY)) ? 0 : r_downsize;
cachead.xdim = tsiz.x >> cachead.quality;
cachead.ydim = tsiz.y >> cachead.quality;
// handle nodownsize:
cachead.flags = nonpow2 * CACHEAD_NONPOW2 | (hasalpha ? CACHEAD_HASALPHA : 0) |
(hicr->flags & (HICR_NODOWNSIZE|HICR_ARTIMMUNITY) ? CACHEAD_NODOWNSIZE : 0);
/// OSD_Printf("Caching \"%s\"\n", fn);
texcache_writetex(fn, picfillen + (dapalnum << 8), dameth, effect, &cachead);
if (willprint)
{
int32_t etime = getticks() - startticks;
if (etime >= MIN_CACHETIME_PRINT)
OSD_Printf("Load tile %4d: p%d-m%d-e%d %s... cached... %d ms\n", dapic, dapalnum, dameth, effect,
willprint == 2 ? fn : "", etime);
willprint = 0;
}
else
OSD_Printf("Cached \"%s\"\n", fn);
}
if (willprint)
{
int32_t etime = getticks()-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, const int32_t tex)
{
bglActiveTextureARB(texunits);
bglEnable(GL_TEXTURE_2D);
bglBindTexture(GL_TEXTURE_2D, tex);
bglTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_ARB);
bglTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_RGB_ARB, GL_MODULATE);
bglTexEnvf(GL_TEXTURE_ENV, GL_SOURCE0_RGB_ARB, GL_PREVIOUS_ARB);
bglTexEnvf(GL_TEXTURE_ENV, GL_OPERAND0_RGB_ARB, GL_SRC_COLOR);
bglTexEnvf(GL_TEXTURE_ENV, GL_SOURCE1_RGB_ARB, GL_TEXTURE);
bglTexEnvf(GL_TEXTURE_ENV, GL_OPERAND1_RGB_ARB, GL_SRC_COLOR);
bglTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_ARB, GL_REPLACE);
bglTexEnvf(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_ARB, GL_PREVIOUS_ARB);
bglTexEnvf(GL_TEXTURE_ENV, GL_OPERAND0_ALPHA_ARB, GL_SRC_ALPHA);
bglTexEnvf(GL_TEXTURE_ENV, GL_RGB_SCALE_ARB, 2.0f);
bglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
bglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
}
void polymost_setupglowtexture(const int32_t texunits, const int32_t tex)
{
bglActiveTextureARB(texunits);
bglEnable(GL_TEXTURE_2D);
bglBindTexture(GL_TEXTURE_2D, tex);
bglTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_ARB);
bglTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_RGB_ARB, GL_INTERPOLATE_ARB);
bglTexEnvf(GL_TEXTURE_ENV, GL_SOURCE0_RGB_ARB, GL_PREVIOUS_ARB);
bglTexEnvf(GL_TEXTURE_ENV, GL_OPERAND0_RGB_ARB, GL_SRC_COLOR);
bglTexEnvf(GL_TEXTURE_ENV, GL_SOURCE1_RGB_ARB, GL_TEXTURE);
bglTexEnvf(GL_TEXTURE_ENV, GL_OPERAND1_RGB_ARB, GL_SRC_COLOR);
bglTexEnvf(GL_TEXTURE_ENV, GL_SOURCE2_RGB_ARB, GL_TEXTURE);
bglTexEnvf(GL_TEXTURE_ENV, GL_OPERAND2_RGB_ARB, GL_ONE_MINUS_SRC_ALPHA);
bglTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_ARB, GL_REPLACE);
bglTexEnvf(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_ARB, GL_PREVIOUS_ARB);
bglTexEnvf(GL_TEXTURE_ENV, GL_OPERAND0_ALPHA_ARB, GL_SRC_ALPHA);
bglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
bglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
}
#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;
static float drawpoly_alpha = 0.f;
static inline pthtyp *our_texcache_fetch(int32_t dameth)
{
// r_usetileshades 1 is TX's method.
return texcache_fetch(globalpicnum, globalpal, getpalookup((r_usetileshades == 1 && !(globalflags & GLOBAL_NO_GL_TILESHADES)) ? globvis>>3 : 0, globalshade), dameth);
}
static void polymost_drawpoly(vec2f_t const * const dpxy, int32_t const n, int32_t method)
{
#ifdef YAX_ENABLE
if (g_nodraw) return;
#endif
if (method == DAMETH_BACKFACECULL || (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 (int 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);
vec2_t tsiz = tilesiz[globalpicnum];
if (!waloff[globalpicnum])
{
loadtile(globalpicnum);
if (!waloff[globalpicnum])
{
tsiz.x = tsiz.y = 1;
method = DAMETH_MASK; //Hack to update Z-buffer for invalid mirror textures
}
}
Bassert(n <= 8);
int j = 0;
float px[8], py[8], dd[8], uu[8], vv[8];
float const ozgs = ghalfx * gshang,
ozgc = ghalfx * gchang;
for (int i=0; i<n; ++i)
{
//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++;
}
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);
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;
}
// 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 (getrendermode() == REND_POLYMOST)
{
bglBindTexture(GL_TEXTURE_2D, pth ? pth->glpic : 0);
if (drawpoly_srepeat)
bglTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_WRAP_S,GL_REPEAT);
if (drawpoly_trepeat)
bglTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_WRAP_T,GL_REPEAT);
}
// texture scale by parkar request
if (pth && pth->hicr && !drawingskybox && ((pth->hicr->scale.x != 1.0f) || (pth->hicr->scale.y != 1.0f)))
{
bglMatrixMode(GL_TEXTURE);
bglLoadIdentity();
bglScalef(pth->hicr->scale.x, pth->hicr->scale.y, 1.0f);
bglMatrixMode(GL_MODELVIEW);
}
#ifdef USE_GLEXT
int32_t texunits = GL_TEXTURE0_ARB;
// detail texture
pthtyp *detailpth = NULL;
if (r_detailmapping)
{
if (usehightile && !drawingskybox && hicfindsubst(globalpicnum, DETAILPAL) &&
(detailpth = texcache_fetch(globalpicnum, DETAILPAL, 0, method & ~DAMETH_MASKPROPS)) &&
detailpth->hicr && detailpth->hicr->palnum == DETAILPAL)
{
polymost_setupdetailtexture(++texunits, detailpth ? detailpth->glpic : 0);
bglMatrixMode(GL_TEXTURE);
bglLoadIdentity();
if (pth && pth->hicr && ((pth->hicr->scale.x != 1.0f) || (pth->hicr->scale.y != 1.0f)))
bglScalef(pth->hicr->scale.x, pth->hicr->scale.y, 1.0f);
if (detailpth && detailpth->hicr && ((detailpth->hicr->scale.x != 1.0f) || (detailpth->hicr->scale.y != 1.0f)))
bglScalef(detailpth->hicr->scale.x, detailpth->hicr->scale.y, 1.0f);
bglMatrixMode(GL_MODELVIEW);
}
}
// glow texture
pthtyp *glowpth = NULL;
if (r_glowmapping)
{
if (usehightile && !drawingskybox && hicfindsubst(globalpicnum, GLOWPAL) &&
(glowpth = texcache_fetch(globalpicnum, GLOWPAL, 0, method | DAMETH_MASK)) &&
glowpth->hicr && (glowpth->hicr->palnum == GLOWPAL))
polymost_setupglowtexture(++texunits, glowpth ? glowpth->glpic : 0);
}
#endif
vec2f_t hacksc = { 1.f, 1.f };
if (pth && (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 */
}
if (!(method & DAMETH_MASKPROPS) && fullbright_pass < 2)
{
bglDisable(GL_BLEND);
bglDisable(GL_ALPHA_TEST);
}
else
{
float const al = waloff[globalpicnum] ? alphahackarray[globalpicnum] * (1.f/255.f) ? alphahackarray[globalpicnum] * (1.f/255.f):
(pth && pth->hicr && pth->hicr->alphacut >= 0.f ? pth->hicr->alphacut : 0.f) : 0.f;
bglAlphaFunc(GL_GREATER, al);
bglEnable(GL_BLEND);
bglEnable(GL_ALPHA_TEST);
}
float pc[4];
#ifdef POLYMER
if (getrendermode() == 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
pc[0] = pc[1] = pc[2] = getshadefactor(globalshade);
// spriteext full alpha control
pc[3] = float_trans[method & DAMETH_MASKPROPS] * (1.f - drawpoly_alpha);
if (pth)
{
// tinting
if (!(hictinting[globalpal].f & HICTINT_PRECOMPUTED))
{
if (pth->flags & PTH_HIGHTILE)
{
if (pth->palnum != globalpal || (pth->effects & HICTINT_IN_MEMORY) || (hictinting[globalpal].f & HICTINT_APPLYOVERALTPAL))
hictinting_apply(pc, globalpal);
}
else if (hictinting[globalpal].f & HICTINT_USEONART)
hictinting_apply(pc, globalpal);
}
// global tinting
if ((pth->flags & PTH_HIGHTILE) && have_basepal_tint())
hictinting_apply(pc, MAXPALOOKUPS-1);
}
bglColor4f(pc[0], pc[1], pc[2], pc[3]);
//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]);
float ngdx = (opxy[0].x*dd[0] + opxy[0].y*dd[1] + opxy[0].z*dd[2])*r,
ngux = (opxy[0].x*uu[0] + opxy[0].y*uu[1] + opxy[0].z*uu[2])*r,
ngvx = (opxy[0].x*vv[0] + opxy[0].y*vv[1] + opxy[0].z*vv[2])*r;
float ngdy = (opxy[1].x*dd[0] + opxy[1].y*dd[1] + opxy[1].z*dd[2])*r,
nguy = (opxy[1].x*uu[0] + opxy[1].y*uu[1] + opxy[1].z*uu[2])*r,
ngvy = (opxy[1].x*vv[0] + opxy[1].y*vv[1] + opxy[1].z*vv[2])*r;
float ngdo = dd[0] - opxy[2].x * ngdx - opxy[2].y * ngdy,
nguo = uu[0] - opxy[2].x * ngux - opxy[2].y * nguy,
ngvo = vv[0] - opxy[2].x * ngvx - opxy[2].y * ngvy;
ngux *= hacksc.x; nguy *= hacksc.x; nguo *= hacksc.x;
ngvx *= hacksc.y; ngvy *= hacksc.y; ngvo *= hacksc.y;
float const uoffs = ((float)(tsiz2.x - tsiz.x) * 0.5f);
ngux -= ngdx * uoffs;
nguy -= ngdy * uoffs;
nguo -= ngdo * uoffs;
float du0, du1;
//Find min&max u coordinates (du0...du1)
for (int i=0; i<npoints; ++i)
{
vec2f_t const o = { px[i], py[i] };
float const f = (o.x*ngux + o.y*nguy + nguo) / (o.x*ngdx + o.y*ngdy + ngdo);
if (!i) { du0 = du1 = f; continue; }
if (f < du0) du0 = f;
else if (f > du1) du1 = f;
}
float const rf = 1.0f / tsiz.x;
int32_t ix0 = (int)floorf(du0 * rf);
int32_t const ix1 = (int)floorf(du1 * rf);
for (; ix0<=ix1; ++ix0)
{
du0 = (float)(ix0 * tsiz.x); // + uoffs;
du1 = (float)((ix0 + 1) * tsiz.x); // + uoffs;
float duj = (px[0]*ngux + py[0]*nguy + nguo) / (px[0]*ngdx + py[0]*ngdy + ngdo);
int i = 0, nn = 0;
do
{
j = i + 1;
if (j == npoints)
j = 0;
float const dui = duj;
duj = (px[j]*ngux + py[j]*nguy + nguo) / (px[j]*ngdx + py[j]*ngdy + ngdo);
if ((du0 <= dui) && (dui <= du1))
{
uu[nn] = px[i];
vv[nn] = py[i];
nn++;
}
//ox*(ngux-ngdx*du1) + oy*(nguy-ngdy*du1) + (nguo-ngdo*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])*(ngux-ngdx*du1) +
//((py[j]-py[i])*f + py[i])*(nguy-ngdy*du1) + (nguo-ngdo*du1) = 0
#define DRAWPOLY_MATH_BULLSHIT(XXX) \
do \
{ \
float const f = -(px[i] * (ngux - ngdx * XXX) + py[i] * (nguy - ngdy * XXX) + (nguo - ngdo * XXX)) / \
((px[j] - px[i]) * (ngux - ngdx * XXX) + (py[j] - py[i]) * (nguy - ngdy * 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 };
bglBegin(GL_TRIANGLE_FAN);
for (i=0; i<nn; i++)
{
vec2f_t const o = { uu[i], vv[i] };
float const dp = o.x*ngdx + o.y*ngdy + ngdo,
up = o.x*ngux + o.y*nguy + nguo,
vp = o.x*ngvx + o.y*ngvy + ngvo;
float const r = 1.f/dp;
#ifdef USE_GLEXT
if (texunits > GL_TEXTURE0_ARB)
{
j = GL_TEXTURE0_ARB;
while (j <= texunits)
bglMultiTexCoord2fARB(j++, (up * r - du0 + uoffs) * invtsiz2.x, vp * r * invtsiz2.y);
}
else
#endif
bglTexCoord2f((up * r - du0 + uoffs) * invtsiz2.x, vp * r * invtsiz2.y);
bglVertex3f((o.x - ghalfx) * r * grhalfxdown10x,
(ghoriz - o.y) * r * grhalfxdown10,
r * (1.f / 1024.f));
}
bglEnd();
}
}
else
{
vec2f_t const scale ={ 1.f / tsiz2.x * hacksc.x, 1.f / tsiz2.y * hacksc.y };
bglBegin(GL_TRIANGLE_FAN);
for (int i = 0; i < npoints; i++)
{
float const r = 1.f / dd[i];
#ifdef USE_GLEXT
if (texunits > GL_TEXTURE0_ARB)
{
j = GL_TEXTURE0_ARB;
while (j <= texunits) bglMultiTexCoord2fARB(j++, uu[i] * r * scale.x, vv[i] * r * scale.y);
}
else
#endif
bglTexCoord2f(uu[i] * r * scale.x, vv[i] * r * scale.y);
bglVertex3f((px[i] - ghalfx) * r * grhalfxdown10x,
(ghoriz - py[i]) * r * grhalfxdown10,
r * (1.f / 1024.f));
}
bglEnd();
}
#ifdef USE_GLEXT
while (texunits > GL_TEXTURE0_ARB)
{
bglActiveTextureARB(texunits);
bglMatrixMode(GL_TEXTURE);
bglLoadIdentity();
bglMatrixMode(GL_MODELVIEW);
bglTexEnvf(GL_TEXTURE_ENV, GL_RGB_SCALE_ARB, 1.0f);
bglDisable(GL_TEXTURE_2D);
--texunits;
}
bglActiveTextureARB(GL_TEXTURE0_ARB);
#endif
bglMatrixMode(GL_TEXTURE);
bglLoadIdentity();
bglMatrixMode(GL_MODELVIEW);
if (getrendermode() == REND_POLYMOST)
{
int const clamp_mode = glinfo.clamptoedge ? GL_CLAMP_TO_EDGE : GL_CLAMP;
if (drawpoly_srepeat)
bglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, clamp_mode);
if (drawpoly_trepeat)
bglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, clamp_mode);
}
if (fullbright_pass == 1)
{
int32_t const shade = globalshade;
globalshade = -128;
fullbright_pass = 2;
bglDisable(GL_FOG);
bglDepthFunc(GL_EQUAL);
polymost_drawpoly(dpxy, n, method_);
bglDepthFunc(GL_LEQUAL);
if (!nofog)
bglEnable(GL_FOG);
globalshade = shade;
fullbright_pass = 0;
}
}
static inline void vsp_finalize_init(int32_t const vcnt)
{
for (int 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 (int 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;
}
#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;
}
#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;
}
static int32_t domostpolymethod = DAMETH_NOMASK;
#define DOMOST_OFFSET .01f
static void polymost_domost(float x0, float y0, float x1, float y1)
{
int32_t 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?
}
vec2f_t const dm0 = { x0, y0 };
vec2f_t const dm1 = { x1, y1 };
float const slop = (dm1.y - dm0.y) / (dm1.x - dm0.x);
drawpoly_alpha = 0.f;
vec2f_t n0, n1;
float spx[4];
int32_t spt[4];
for (int 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))
{
const float t = (dm1.x-n0.x)*cv[dir] - (dm1.y-cy[dir])*dx;
if (((!dir) && (t < 0)) || ((dir) && (t > 0)))
{ spx[scnt] = dm1.x; spt[scnt] = -1; scnt++; }
}
vsp[i].tag = vsp[newi].tag = -1;
float const rdx = 1.f/dx;
for (int 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:
{
vec2f_t const dpxy[4] = {
{ dx0, vsp[i].cy[0] }, { dx1, vsp[i].cy[1] }, { dx1, n1.y }, { dx0, n0.y }
};
vsp[i].cy[0] = n0.y;
vsp[i].cy[1] = n1.y;
vsp[i].ctag = gtag;
polymost_drawpoly(dpxy, 4, domostpolymethod);
}
break;
case 1:
case 2:
{
vec2f_t const dpxy[3] = { { dx0, vsp[i].cy[0] }, { dx1, vsp[i].cy[1] }, { dx0, n0.y } };
vsp[i].cy[0] = n0.y;
vsp[i].ctag = gtag;
polymost_drawpoly(dpxy, 3, domostpolymethod);
}
break;
case 3:
case 6:
{
vec2f_t const dpxy[3] = { { dx0, vsp[i].cy[0] }, { dx1, vsp[i].cy[1] }, { dx1, n1.y } };
vsp[i].cy[1] = n1.y;
vsp[i].ctag = gtag;
polymost_drawpoly(dpxy, 3, domostpolymethod);
}
break;
case 8:
{
vec2f_t const dpxy[4] = {
{ dx0, vsp[i].cy[0] }, { dx1, vsp[i].cy[1] }, { dx1, vsp[i].fy[1] }, { dx0, vsp[i].fy[0] }
};
vsp[i].ctag = vsp[i].ftag = -1;
polymost_drawpoly(dpxy, 4, domostpolymethod);
}
default: break;
}
}
else
{
switch (k)
{
case 4:
case 3:
case 1:
{
vec2f_t const dpxy[4] ={
{ dx0, n0.y }, { dx1, n1.y }, { dx1, vsp[i].fy[1] }, { dx0, vsp[i].fy[0] }
};
vsp[i].fy[0] = n0.y;
vsp[i].fy[1] = n1.y;
vsp[i].ftag = gtag;
polymost_drawpoly(dpxy, 4, domostpolymethod);
}
break;
case 7:
case 6:
{
vec2f_t const dpxy[3] = { { dx0, n0.y }, { dx1, vsp[i].fy[1] }, { dx0, vsp[i].fy[0] } };
vsp[i].fy[0] = n0.y;
vsp[i].ftag = gtag;
polymost_drawpoly(dpxy, 3, domostpolymethod);
}
break;
case 5:
case 2:
{
vec2f_t const dpxy[3] ={ { dx0, vsp[i].fy[0] }, { dx1, n1.y }, { dx1, vsp[i].fy[1] } };
vsp[i].fy[1] = n1.y;
vsp[i].ftag = gtag;
polymost_drawpoly(dpxy, 3, domostpolymethod);
}
break;
case 0:
{
vec2f_t const dpxy[4] ={ { dx0, vsp[i].cy[0] }, { dx1, vsp[i].cy[1] }, { dx1, vsp[i].fy[1] }, { dx0, vsp[i].fy[0] } };
vsp[i].ctag = vsp[i].ftag = -1;
polymost_drawpoly(dpxy, 4, domostpolymethod);
}
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;
while (i)
{
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;
}
#endif
}
#define POINT2(i) (wall[wall[i].point2])
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.x = o.z*gchang - o.y*gshang;
tvect.y = o.x;
tvect.z = 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--;
tspritetype *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);
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 (int32_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;
}
void polymost_scansector(int32_t sectnum);
// 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;
tsectortype const * const sec = (tsectortype *)§or[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
vec2f_t fxy = { (float)(wall[wall[sec->wallptr].point2].x - wall[sec->wallptr].x),
(float)(wall[wall[sec->wallptr].point2].y - wall[sec->wallptr].y) };
float r = polymost_invsqrt_approximation(fxy.x * fxy.x + fxy.y * fxy.y);
fxy.x *= r;
fxy.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)
{
swap64bit(&xtex.u, &xtex.v);
swap64bit(&ytex.u, &ytex.v);
swap64bit(&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 const oxy = { n0.x + (n1.y - n0.y), n0.y + (n0.x - n1.x) };
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, ghalfx * ox2 * oy2 + ghalfx };
oy2 *= gyxscale;
double py[3] = { ryp0 + (double)ghoriz, ryp1 + (double)ghoriz, oy2 + (double)ghoriz };
vec3f_t const duv[3] = {
{ (float)(px[0] * xtex.d + py[0] * ytex.d + otex.d),
(float)(px[0] * xtex.u + py[0] * ytex.u + otex.u),
(float)(px[0] * xtex.v + py[0] * ytex.v + otex.v)
},
{ (float)(px[1] * xtex.d + py[1] * ytex.d + otex.d),
(float)(px[1] * xtex.u + py[1] * ytex.u + otex.u),
(float)(px[1] * xtex.v + py[1] * ytex.v + otex.v)
},
{ (float)(px[2] * xtex.d + py[2] * ytex.d + otex.d),
(float)(px[2] * xtex.u + py[2] * ytex.u + otex.u),
(float)(px[2] * xtex.v + py[2] * ytex.v + otex.v)
}
};
py[0] = y0;
py[1] = y1;
py[2] = (double)((float)(global_getzofslope_func(sectnum, (int)oxy.x, (int)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;
if (!nofog) calc_and_apply_fog(globalpicnum, fogpal_shade(sec, global_cf_shade), 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
polymost_domost(x0, y0, x1, y1); //flor
}
else
{
if (globalposz < getceilzofslope(sectnum, globalposx, globalposy))
domostpolymethod = DAMETH_BACKFACECULL; //Back-face culling
polymost_domost(x1, y1, x0, y0); //ceil
}
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 = ((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 (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 = (t0-t1)*t;
ytex.v = (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 (int 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 * (pos->x - w.x) + d.y * (pos->y - w.y);
if (i < 0)
return 1;
int64_t const j = d.x * d.x + 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;
int32_t const sectnum = thesector[bunchfirst[bunch]];
tsectortype const * const sec = (tsectortype *)§or[sectnum];
//DRAW WALLS SECTION!
for (int z=bunchfirst[bunch]; z>=0; z=bunchp2[z])
{
int32_t const wallnum = thewall[z];
#ifdef YAX_ENABLE
if (yax_nomaskpass==1 && yax_isislandwall(wallnum, !yax_globalcf) && (yax_nomaskdidit=1))
continue;
#endif
twalltype * const wal = (twalltype *)&wall[wallnum], *wal2 = (twalltype *)&wall[wal->point2];
int32_t const nextsectnum = wal->nextsector;
tsectortype * const nextsec = nextsectnum>=0 ? (tsectortype *)§or[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.x = (float)(wal2->x-globalposx); walpos.y = (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.x = (p1.x-p0.x)*t0+p0.x; p0.y = SCISDIST;
n0.x = (wal2->x-wal->x)*t0+wal->x;
n0.y = (wal2->y-wal->y)*t0+wal->y;
}
else { t0 = 0.f; n0.x = (float)wal->x; n0.y = (float)wal->y; }
if (p1.y < SCISDIST)
{
t1 = (SCISDIST-op0.y)/(p1.y-op0.y); p1.x = (p1.x-op0.x)*t1+op0.x; p1.y = SCISDIST;
n1.x = (wal2->x-wal->x)*t1+wal->x;
n1.y = (wal2->y-wal->y)*t1+wal->y;
}
else { t1 = 1.f; n1.x = (float)wal2->x; n1.y = (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;
// 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;
DO_TILE_ANIM(globalpicnum, sectnum);
int32_t dapskybits;
int8_t const * dapskyoff = getpsky(globalpicnum, NULL, &dapskybits);
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 (!(globalorientation&1))
{
#ifdef YAX_ENABLE
if (globalposz <= sec->floorz || yax_getbunch(sectnum, YAX_FLOOR) < 0 || yax_getnextwall(wallnum, YAX_FLOOR) >= 0)
#endif
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 (!nofog) calc_and_apply_fog_factor(sec->floorpicnum, sec->floorshade, sec->visibility, sec->floorpal, 0.005f);
//Use clamping for tiled sky textures
for (int i=(1<<dapskybits)-1; i>0; i--)
if (dapskyoff[i] != dapskyoff[i-1])
{ skyclamphack = r_parallaxskyclamping; break; }
if (!usehightile || !hicfindskybox(globalpicnum, globalpal))
{
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/(65536.f*65536.f));
vv[0] = dd*((float)((tilesiz[globalpicnum].y>>1)+parallaxyoffs_override/*+g_psky.yoffs*/)) - vv[1]*ghoriz;
int i = (1<<(picsiz[globalpicnum]>>4)); if (i != tilesiz[globalpicnum].y) i += i;
vec3f_t o;
//Hack to draw black rectangle below sky when looking down...
xtex.d = xtex.u = xtex.v = 0;
ytex.d = gxyaspect * (1.f / 262144.f);
ytex.u = 0;
ytex.v = (float)(tilesiz[globalpicnum].y - 1) * ytex.d;
otex.d = -ghoriz * ytex.d;
otex.u = 0;
otex.v = (float)(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);
xtex.d = xtex.v = 0;
ytex.d = ytex.u = 0;
otex.d = dd;
xtex.u = otex.d * (t * (float)((uint64_t)(xdimscale * yxaspect) * viewingrange)) *
(1.f / (16384.f * 65536.f * 65536.f * 5.f * 1024.f));
ytex.v = vv[1];
otex.v = r_parallaxskypanning ? vv[0] + dd*(float)sec->floorypanning*(float)i*(1.f/256.f) : vv[0];
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))+globalang)>>(11-dapskybits));
float fx = x0;
do
{
globalpicnum = dapskyoff[y&((1<<dapskybits)-1)]+i;
otex.u = otex.d*(t*((float)(globalang-(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))-globalang))*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);
}
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 (int 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.x = (skyp1.x-skyp0.x)*sky_t0+skyp0.x; skyp0.y = SCISDIST;
}
else { sky_t0 = 0.f; }
if (skyp1.y < SCISDIST)
{
sky_t1 = (SCISDIST-oskyp0.y)/(skyp1.y-oskyp0.y); skyp1.x = (skyp1.x-oskyp0.x)*sky_t1+oskyp0.x; skyp1.y = 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.f/4194304.f);
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.f/512.f) / (sky_ox0-sky_ox1);
ytex.d = 0;
otex.d = sky_ryp0*gxyaspect*(1.f/512.f) - xtex.d*sky_ox0;
xtex.u = (sky_t0*sky_ryp0 - sky_t1*sky_ryp1)*gxyaspect*(64.f/512.f) / (sky_ox0-sky_ox1);
otex.u = sky_t0*sky_ryp0*gxyaspect*(64.f/512.f) - 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.f/4194304.f);
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;
if (!nofog)
bglEnable(GL_FOG);
}
// Ceiling
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;
DO_TILE_ANIM(globalpicnum, sectnum);
dapskyoff = getpsky(globalpicnum, NULL, &dapskybits);
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 (!(globalorientation&1))
{
#ifdef YAX_ENABLE
if (globalposz >= sec->ceilingz || yax_getbunch(sectnum, YAX_CEILING) < 0 || yax_getnextwall(wallnum, YAX_CEILING) >= 0)
#endif
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 (!nofog) calc_and_apply_fog_factor(sec->ceilingpicnum, sec->ceilingshade, sec->visibility, sec->ceilingpal, 0.005f);
//Use clamping for tiled sky textures
for (int i=(1<<dapskybits)-1; i>0; i--)
if (dapskyoff[i] != dapskyoff[i-1])
{ skyclamphack = r_parallaxskyclamping; break; }
if (!usehightile || !hicfindskybox(globalpicnum, globalpal))
{
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/(65536.f*65536.f));
vv[0] = dd*((float)((tilesiz[globalpicnum].y>>1)+parallaxyoffs_override/*+g_psky.yoffs*/)) - vv[1]*ghoriz;
int i = (1<<(picsiz[globalpicnum]>>4)); if (i != tilesiz[globalpicnum].y) i += i;
vec3f_t o;
//Hack to draw color rectangle above sky when looking up...
xtex.d = xtex.u = xtex.v = 0;
ytex.d = gxyaspect * (1.f / -262144.f);
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);
xtex.d = xtex.v = 0;
ytex.d = ytex.u = 0;
otex.d = dd;
xtex.u = otex.d * (t * (float)((uint64_t)(xdimscale * yxaspect) * viewingrange)) *
(1.f / (16384.f * 65536.f * 65536.f * 5.f * 1024.f));
ytex.v = vv[1];
otex.v = r_parallaxskypanning ? vv[0] + dd*(float)sec->ceilingypanning*(float)i*(1.f/256.f) : vv[0];
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))+globalang)>>(11-dapskybits));
float fx = x0;
do
{
globalpicnum = dapskyoff[y&((1<<dapskybits)-1)]+i;
otex.u = otex.d*(t*((float)(globalang-(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))-globalang))*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);
}
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 (int 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.x = (skyp1.x-skyp0.x)*sky_t0+skyp0.x; skyp0.y = SCISDIST;
}
else { sky_t0 = 0.f; }
if (skyp1.y < SCISDIST)
{
sky_t1 = (SCISDIST-oskyp0.y)/(skyp1.y-oskyp0.y); skyp1.x = (skyp1.x-oskyp0.x)*sky_t1+oskyp0.x; skyp1.y = 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.f/4194304.f);
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.f/512.f) / (sky_ox0-sky_ox1);
ytex.d = 0;
otex.d = sky_ryp0*gxyaspect*(1.f/512.f) - xtex.d*sky_ox0;
xtex.u = (sky_t0*sky_ryp0 - sky_t1*sky_ryp1)*gxyaspect*(64.f/512.f) / (sky_ox0-sky_ox1);
otex.u = sky_t0*sky_ryp0*gxyaspect*(64.f/512.f) - 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.f/4194304.f);
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;
if (!nofog)
bglEnable(GL_FOG);
}
// Wall
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*(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;
float const ogux = xtex.u, oguy = ytex.u, oguo = otex.u;
Bassert(domostpolymethod == DAMETH_NOMASK);
domostpolymethod = DAMETH_WALL;
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§or[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));
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 (!nofog) calc_and_apply_fog(wal->picnum, fogpal_shade(sec, wal->shade), sec->visibility, get_floor_fogpal(sec));
pow2xsplit = 1; polymost_domost(x1,ocy1,x0,ocy0);
if (wal->cstat&8) { xtex.u = ogux; ytex.u = oguy; otex.u = oguo; }
}
if (((ofy0 < fy0) || (ofy1 < fy1)) && (!((sec->floorstat§or[nextsectnum].floorstat)&1)))
{
twalltype *nwal;
if (!(wal->cstat&2)) nwal = wal;
else
{
nwal = (twalltype *)&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));
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 (!nofog) calc_and_apply_fog(nwal->picnum, fogpal_shade(sec, nwal->shade), sec->visibility, get_floor_fogpal(sec));
pow2xsplit = 1; polymost_domost(x0,ofy0,x1,ofy1);
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;
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 (!nofog) calc_and_apply_fog(wal->picnum, fogpal_shade(sec, wal->shade), sec->visibility, get_floor_fogpal(sec));
pow2xsplit = 1; polymost_domost(x0, cy0, x1, cy1);
} 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 float x2b2 = dxb2[bunchlast[b2]];
const float x1b1 = dxb1[b1f];
if (x1b1 >= x2b2)
return -1;
int b2f = bunchfirst[b2];
const float x1b2 = dxb1[b2f];
if (x1b2 >= dxb2[bunchlast[b1]])
return -1;
if (x1b1 >= x1b2)
{
for (; dxb2[b2f]<=x1b1; b2f=bunchp2[b2f]) { }
return wallfront(b1f, b2f);
}
for (; dxb2[b1f]<=x1b2; b1f=bunchp2[b1f]) { }
return wallfront(b1f, b2f);
}
void polymost_scansector(int32_t sectnum)
{
if (sectnum < 0) return;
sectorborder[0] = sectnum;
int sectorbordercnt = 1;
do
{
sectnum = sectorborder[--sectorbordercnt];
for (int z=headspritesect[sectnum]; z>=0; z=nextspritesect[z])
{
tspritetype const * const spr = (tspritetype *)&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 (engine_addtsprite(z, sectnum))
break;
}
}
gotsector[sectnum>>3] |= pow2char[sectnum&7];
int const bunchfrst = numbunches;
int const numscansbefore = numscans;
int const startwall = sector[sectnum].wallptr;
int const endwall = sector[sectnum].wallnum+startwall;
int scanfirst = numscans;
vec2f_t p2 = { 0, 0 };
twalltype *wal;
int z;
for (z=startwall,wal=(twalltype *)&wall[z]; z<endwall; z++,wal++)
{
twalltype const * const wal2 = (twalltype *)&wall[wal->point2];
vec2f_t const fp1 = { (float)(wal->x-globalposx), (float)(wal->y-globalposy) };
vec2f_t const fp2 = { (float)(wal2->x-globalposx), (float)(wal2->y-globalposy) };
int const nextsectnum = wal->nextsector; //Scan close sectors
vec2f_t p1;
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)
{
float const d = fp1.x*fp2.y - fp2.x*fp1.y;
p1.x = fp2.x-fp1.x;
p1.y = fp2.y-fp1.y;
if (d*d <= (p1.x*p1.x + p1.y*p1.y) * (SCISDIST*SCISDIST*260.f))
{
sectorborder[sectorbordercnt++] = nextsectnum;
gotsector[nextsectnum>>3] |= pow2char[nextsectnum&7];
}
}
if ((z == startwall) || (wall[z-1].point2 != z))
{
p1.x = ((fp1.y * fcosglobalang) - (fp1.x * fsinglobalang)) * (1.0f/64.f);
p1.y = ((fp1.x * (float)cosviewingrangeglobalang) + (fp1.y * (float)sinviewingrangeglobalang)) * (1.0f/64.f);
}
else { p1 = p2; }
p2.x = ((fp2.y * fcosglobalang) - (fp2.x * fsinglobalang)) * (1.0f/64.f);
p2.y = ((fp2.x * (float) cosviewingrangeglobalang) + (fp2.y * (float) sinviewingrangeglobalang)) * (1.0f/64.f);
if ((p1.y >= SCISDIST) || (p2.y >= SCISDIST))
if (p1.x*p2.y < p2.x*p1.y) //if wall is facing you...
{
if (p1.y >= SCISDIST)
dxb1[numscans] = p1.x*ghalfx/p1.y + ghalfx;
else dxb1[numscans] = -1e32f;
if (p2.y >= SCISDIST)
dxb2[numscans] = p2.x*ghalfx/p2.y + ghalfx;
else dxb2[numscans] = 1e32f;
if (dxb1[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 (int z=numscansbefore; z<numscans; z++)
if ((wall[thewall[z]].point2 != thewall[bunchp2[z]]) || (dxb2[z] > dxb1[bunchp2[z]]))
{
bunchfirst[numbunches++] = bunchp2[z]; bunchp2[z] = -1;
#ifdef YAX_ENABLE
if (scansector_retfast)
return;
#endif
}
for (int 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 (int 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 ((vcnt > 1) && (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 ((vcnt > 1) && (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 ((vcnt > 1) && (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++;
}
vsp_finalize_init(vcnt);
gtag = vcnt;
}
void polymost_drawrooms()
{
if (getrendermode() == REND_CLASSIC) return;
begindrawing();
frameoffset = frameplace + windowy1*bytesperline + windowx1;
resizeglcheck();
#ifdef YAX_ENABLE
if (numyaxbunches==0)
#endif
if (editstatus)
bglClear(GL_COLOR_BUFFER_BIT);
bglClear(GL_DEPTH_BUFFER_BIT);
bglDisable(GL_BLEND);
bglEnable(GL_TEXTURE_2D);
bglEnable(GL_DEPTH_TEST);
bglDepthFunc(GL_LEQUAL); //NEVER,LESS,(,L)EQUAL,GREATER,(NOT,G)EQUAL,ALWAYS
// bglDepthRange(0.0, 1.0); //<- this is more widely supported than glPolygonOffset
//Enable this for OpenGL red-blue glasses mode :)
#ifdef REDBLUEMODE
if (glredbluemode)
{
static int32_t grbfcnt = 0; grbfcnt++;
if (redblueclearcnt < numpages) { redblueclearcnt++; bglColorMask(1,1,1,1); bglClear(GL_COLOR_BUFFER_BIT); }
if (grbfcnt&1)
{
bglViewport(windowx1-16,yres-(windowy2+1),windowx2-(windowx1-16)+1,windowy2-windowy1+1);
bglColorMask(1,0,0,1);
globalposx += singlobalang>>10;
globalposy -= cosglobalang>>10;
}
else
{
bglViewport(windowx1,yres-(windowy2+1),windowx2+16-windowx1+1,windowy2-windowy1+1);
bglColorMask(0,1,1,1);
globalposx -= singlobalang>>10;
globalposy += cosglobalang>>10;
}
}
#endif
//Polymost supports true look up/down :) Here, we convert horizon to angle.
//gchang&gshang are cos&sin of this angle (respectively)
fviewingrange = (float) viewingrange;
gyxscale = ((float)xdimenscale)*(1.0f/131072.f);
gxyaspect = ((float)xyaspect*fviewingrange)*(5.f/(65536.f*262144.f));
gviewxrange = fviewingrange * fxdimen * (1.f/(32768.f*1024.f));
fcosglobalang = (float) cosglobalang;
gcosang = fcosglobalang*(1.0f/262144.f);
fsinglobalang = (float) singlobalang;
gsinang = fsinglobalang*(1.0f/262144.f);
gcosang2 = gcosang * (fviewingrange * (1.0f/65536.f));
gsinang2 = gsinang * (fviewingrange * (1.0f/65536.f));
ghalfx = (float)(xdimen>>1);
grhalfxdown10 = 1.f/(ghalfx*1024.f);
ghoriz = (float)globalhoriz;
gvisibility = ((float)globalvisibility)*FOGSCALE;
//global cos/sin height angle
float r = (float)(ydimen>>1) - ghoriz;
gshang = r/Bsqrtf(r*r+ghalfx*ghalfx);
gchang = Bsqrtf(1.f-gshang*gshang);
ghoriz = (float)(ydimen>>1);
//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 (inpreparemirror)
gstang = -gstang;
//Generate viewport trapezoid (for handling screen up/down)
vec3f_t p[4] = { { 0-1, 0-1, 0 },
{ (float)(windowx2 + 1 - windowx1 + 2), 0-1, 0 },
{ (float)(windowx2 + 1 - windowx1 + 2), (float)(windowy2 + 1 - windowy1 + 2), 0 },
{ 0-1, (float)(windowy2 + 1 - windowy1 + 2), 0 } };
for (int i=0; i<4; i++)
{
//Tilt rotation (backwards)
vec2f_t const o = { p[i].x-ghalfx, p[i].y-ghoriz };
vec3f_t const o2 = { o.x*gctang + o.y*gstang, o.y*gctang - o.x*gstang, ghalfx };
//Up/down rotation (backwards)
p[i].x = o2.x;
p[i].y = o2.y*gchang + o2.z*gshang;
p[i].z = o2.z*gchang - o2.y*gshang;
}
//Clip to SCISDIST plane
int n = 0;
vec3f_t p2[6];
for (int 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].x = (p[j].x - p[i].x) * r + p[i].x;
p2[n].y = (p[j].y - p[i].y) * r + p[i].y;
p2[n].z = SCISDIST; n++;
}
}
if (n < 3) { enddrawing(); return; }
float sx[4], sy[4];
for (int 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);
if (searchit == 2)
polymost_editorfunc();
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 (inpreparemirror)
{
grhalfxdown10x = -grhalfxdown10;
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 (int 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 (int 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);
numbunches--;
bunchfirst[closest] = bunchfirst[numbunches];
bunchlast[closest] = bunchlast[numbunches];
}
bglDepthFunc(GL_LEQUAL); //NEVER,LESS,(,L)EQUAL,GREATER,(NOT,G)EQUAL,ALWAYS
// bglDepthRange(0.0, 1.0); //<- this is more widely supported than glPolygonOffset
enddrawing();
}
void polymost_drawmaskwall(int32_t damaskwallcnt)
{
int const z = maskwall[damaskwallcnt];
twalltype const * const wal = (twalltype *)&wall[thewall[z]], *wal2 = (twalltype *)&wall[wal->point2];
int32_t const sectnum = thesector[z];
tsectortype const * const sec = (tsectortype *)§or[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)
tsectortype const * const nsec = (tsectortype *)§or[wal->nextsector];
globalpicnum = wal->overpicnum;
if ((uint32_t)globalpicnum >= MAXTILES)
globalpicnum = 0;
DO_TILE_ANIM(globalpicnum, (int16_t)thewall[z]+16384);
globvis = (sector[sectnum].visibility != 0) ? mulscale4(globvis, (uint8_t)(sector[sectnum].visibility + 16)) : globalvisibility;
globalshade = (int32_t)wal->shade;
globalpal = (int32_t)((uint8_t)wal->pal);
globalorientation = (int32_t)wal->cstat;
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.x = (p1.x - p0.x) * t0 + p0.x;
p0.y = SCISDIST;
}
float t1 = 1.f;
if (p1.y < SCISDIST)
{
t1 = (SCISDIST - op0.y) / (p1.y - op0.y);
p1.x = (p1.x - op0.x) * t1 + op0.x;
p1.y = 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)
{
if (!(wal->cstat & 512))
method = DAMETH_TRANS1 | DAMETH_WALL;
else
method = DAMETH_TRANS2 | DAMETH_WALL;
}
if (!nofog)
calc_and_apply_fog(wal->picnum, fogpal_shade(sec, wal->shade), 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[4] = { { x0, csy[1] }, { x1, csy[3] }, { x1, fsy[3] }, { x0, fsy[1] } };
//Clip to (x0,csy[0])-(x1,csy[2])
vec2f_t dp2[4];
int n2 = 0;
t1 = -((dpxy[0].x - x0) * (csy[2] - csy[0]) - (dpxy[0].y - csy[0]) * (x1 - x0));
for (int 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))
{
float const r = t0 / (t0 - t1);
dp2[n2].x = (dpxy[j].x - dpxy[i].x) * r + dpxy[i].x;
dp2[n2].y = (dpxy[j].y - dpxy[i].y) * r + dpxy[i].y;
n2++;
}
}
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 (int 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))
{
float const r = t0 / (t0 - t1);
dpxy[n].x = (dp2[j].x - dp2[i].x) * r + dp2[i].x;
dpxy[n].y = (dp2[j].y - dp2[i].y) * r + dp2[i].y;
n++;
}
}
if (n < 3)
return;
pow2xsplit = 0;
skyclamphack = 0;
drawpoly_alpha = 0.f;
polymost_drawpoly(dpxy, n, method);
}
typedef struct
{
uint32_t wrev;
uint32_t srev;
int16_t wall;
int8_t wdist;
int8_t filler;
} wallspriteinfo_t;
wallspriteinfo_t wsprinfo[MAXSPRITES];
static inline int32_t polymost_findwall(tspritetype const * const tspr, int32_t * rd)
{
int32_t dist = 4, closest = -1;
tsectortype const * const sect = (tsectortype * )§or[tspr->sectnum];
vec2_t n;
for (int i=sect->wallptr; i<sect->wallptr + sect->wallnum; i++)
{
if (!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(tspr) \
(((FindDistance2D((tspr->x - globalposx), (tspr->y - globalposy)) >> 3) * .0002f) + \
((tspr->owner != -1 ? tspr->owner & 63 : 0) * .0002f))
void polymost_drawsprite(int32_t snum)
{
tspritetype *const tspr = tspriteptr[snum];
if (EDUKE32_PREDICT_FALSE(bad_tspr(tspr)))
return;
const tsectortype *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));
vec2_t off = { 0, 0 };
if ((globalorientation & 48) != 48) // only non-voxel sprites should do this
{
int const flag = usehightile && h_xsize[globalpicnum];
off.x = (int32_t)tspr->xoffset + (flag ? h_xoffs[globalpicnum] : picanm[globalpicnum].xofs);
off.y = (int32_t)tspr->yoffset + (flag ? h_yoffs[globalpicnum] : picanm[globalpicnum].yofs);
}
int32_t method = DAMETH_MASK | DAMETH_CLAMPED;
if (tspr->cstat & 2)
{
if (!(tspr->cstat & 512))
method = DAMETH_TRANS1 | DAMETH_CLAMPED;
else
method = DAMETH_TRANS2 | DAMETH_CLAMPED;
}
drawpoly_alpha = spriteext[spritenum].alpha;
sec = (tsectortype *)§or[tspr->sectnum];
if (!nofog)
calc_and_apply_fog(tspr->picnum, fogpal_shade(sec, globalshade), 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);
}
vec2_t tsiz = tilesiz[globalpicnum], oldsiz = tsiz;
if (usehightile && h_xsize[globalpicnum])
{
tsiz.x = h_xsize[globalpicnum];
tsiz.y = h_ysize[globalpicnum];
}
if (tsiz.x <= 0 || tsiz.y <= 0)
return;
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)
return;
float const ryp0 = 1.f / p0.y;
s0.x = ghalfx * p0.x * ryp0 + ghalfx;
s0.y = ((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;
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] = tsiz;
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, &walldist);
if (s != -1 && w != -1)
{
wallspriteinfo_t *ws = &wsprinfo[s];
ws->wall = w;
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))
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.x = (p1.x - p0.x) * t0 + p0.x;
p0.y = SCISDIST;
}
if (p1.y < SCISDIST)
{
t1 = (SCISDIST - op0.y) / (p1.y - op0.y);
p1.x = (p1.x - op0.x) * t1 + op0.x;
p1.y = 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)
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] = tsiz;
pow2xsplit = 0;
polymost_drawpoly(pxy, 4, method);
drawpoly_srepeat = 0;
drawpoly_trepeat = 0;
}
break;
case 2: // Floor sprite
if ((globalorientation & 64) != 0 && (globalposz > tspr->z) == (!(globalorientation & 8)))
return;
else
{
if ((globalorientation & 4) > 0)
off.x = -off.x;
if ((globalorientation & 8) > 0)
off.y = -off.y;
vec2f_t pxy[6];
vec2f_t const p0 = { (float)((tsiz.x >> 1) - off.x) * tspr->xrepeat,
(float)((tsiz.y >> 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);
// Project 3D to 2D
for (int 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].x = s0.y * gcosang - s0.x * gsinang;
pxy[j].y = 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 (int 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)
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 (int j = 0; j < npoints; j++)
{
float const ryp0 = 1.f / p2[j].y;
pxy[j].x = ghalfx * p2[j].x * ryp0 + ghalfx;
pxy[j].y = 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,
singlobalang * ff.y + cosglobalang * ff.x,
singlobalang * ff.x - cosglobalang * 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] = tsiz;
pow2xsplit = 0;
polymost_drawpoly(pxy, npoints, method);
drawpoly_srepeat = 0;
drawpoly_trepeat = 0;
}
break;
case 3: // Voxel sprite
break;
}
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, 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;
tspritetype 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);
float const ogxyaspect = gxyaspect; gxyaspect = 1.f;
int const oldviewingrange = viewingrange; viewingrange = 65536;
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)
{
vec2_t siz = tilesiz[picnum];
vec2_t off = { picanm[picnum].xofs + (siz.x >> 1), picanm[picnum].yofs + (siz.y >> 1) };
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;
}
f.x += -(float)off.x * cosang2 + (float)off.y * sinang2;
f.y += -(float)off.x * sinang - (float)off.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 (getrendermode() == 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)
bglViewport(windowx1, yres-(windowy2+1), windowx2-windowx1+1, windowy2-windowy1+1);
else
{
bglViewport(0, 0, xdim, ydim);
glox1 = -1; //Force fullscreen (glox1=-1 forces it to restore)
}
if (getrendermode() < REND_POLYMER)
{
bglMatrixMode(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 * (float)PI) * (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];
}
bglLoadMatrixf(&m[0][0]);
bglMatrixMode(GL_MODELVIEW);
bglLoadIdentity();
}
if (hud->flags & HUDFLAG_NODEPTH)
bglDisable(GL_DEPTH_TEST);
else
{
static int32_t onumframes = 0;
bglEnable(GL_DEPTH_TEST);
if (onumframes != numframes)
{
onumframes = numframes;
bglClear(GL_DEPTH_BUFFER_BIT);
}
}
spriteext[tspr.owner].alpha = daalpha * (1.0f / 255.0f);
bglDisable(GL_FOG);
if (getrendermode() == REND_POLYMOST)
polymost_mddraw(&tspr);
# ifdef POLYMER
else
{
int32_t fov;
tspriteptr[MAXSPRITESONSCREEN] = &tspr;
bglEnable(GL_ALPHA_TEST);
bglEnable(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;
bglDisable(GL_BLEND);
bglDisable(GL_ALPHA_TEST);
}
# endif
if (!nofog) bglEnable(GL_FOG);
viewingrange = oldviewingrange;
gxyaspect = ogxyaspect;
globalshade = ogshade;
globalpal = ogpal;
gchang = ogchang;
gshang = ogshang;
gctang = ogctang;
gstang = ogstang;
}
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,
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, uniqid);
return;
}
bglViewport(0,0,xdim,ydim); glox1 = -1; //Force fullscreen (glox1=-1 forces it to restore)
bglMatrixMode(GL_PROJECTION);
bglPushMatrix();
globvis = 0;
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 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;
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];
bglLoadMatrixf(&m[0][0]);
bglMatrixMode(GL_MODELVIEW);
// bglPushMatrix();
bglLoadIdentity();
bglDisable(GL_DEPTH_TEST);
bglDisable(GL_ALPHA_TEST);
bglEnable(GL_TEXTURE_2D);
#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))
{
if (dastat & RS_TRANS1)
method |= (dastat & RS_TRANS2) ? DAMETH_TRANS2 : DAMETH_TRANS1;
else
method |= DAMETH_MASK;
}
#ifdef POLYMER
if (getrendermode() == REND_POLYMER)
{
pr_normalmapping = 0;
polymer_inb4rotatesprite(picnum, dapalnum, dashade, method);
# ifdef USE_GLEXT
r_detailmapping = 0;
r_glowmapping = 0;
# endif
}
#endif
drawpoly_alpha = daalpha * (1.0f / 255.0f);
vec2_t const siz = tilesiz[globalpicnum];
vec2_t ofs ={ 0, 0 };
if (!(dastat & RS_TOPLEFT))
{
ofs.x = picanm[globalpicnum].xofs + (siz.x>>1);
ofs.y = 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;
}
float const cx = (float)sx * (1.0f / 65536.f) - (float)ofs.x * cosang2 + (float)ofs.y * sinang2;
float const cy = (float)sy * (1.0f / 65536.f) - (float)ofs.x * sinang - (float)ofs.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].x = pxy[1].x + pxy[3].x - pxy[0].x;
pxy[2].y = pxy[1].y + pxy[3].y - pxy[0].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);
bglDisable(GL_FOG);
pow2xsplit = 0; polymost_drawpoly(pxy, n,method);
if (!nofog) bglEnable(GL_FOG);
}
#ifdef POLYMER
if (getrendermode() == REND_POLYMER)
{
# ifdef USE_GLEXT
r_detailmapping = olddetailmapping;
r_glowmapping = oldglowmapping;
# endif
polymer_postrotatesprite();
pr_normalmapping = oldnormalmapping;
}
#endif
// bglPopMatrix();
bglMatrixMode(GL_PROJECTION);
bglPopMatrix();
globalpicnum = ogpicnum;
globalshade = ogshade;
globalpal = ogpal;
ghalfx = oghalfx;
grhalfxdown10 = ogrhalfxdown10;
grhalfxdown10x = ogrhalfxdown10x;
ghoriz = oghoriz;
frameoffset = ofoffset;
gchang = ogchang;
gshang = ogshang;
gctang = ogctang;
gstang = ogstang;
}
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; }
bglBegin(GL_TRIANGLE_FAN);
for (int i=0; i<n; i++)
{
px[i] = min(max(px[i],trapextx[0]),trapextx[1]);
bglTexCoord2f(px[i]*xtex.u + py[i]*ytex.u + otex.u,
px[i]*xtex.v + py[i]*ytex.v + otex.v);
bglVertex2f(px[i],py[i]);
}
bglEnd();
}
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 ((point2[i] < i) && (i < numpoints-1)) 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
{
bglBegin(GL_TRIANGLE_FAN);
for (i=0; i<npoints; i++)
{
j = slist[i];
bglTexCoord2f(px[j]*xtex.u + py[j]*ytex.u + otex.u,
px[j]*xtex.v + py[j]*ytex.v + otex.v);
bglVertex2f(px[j],py[j]);
}
bglEnd();
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)
{
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 (int 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) setpolymost2dview(); //disables blending, texturing, and depth testing
bglEnable(GL_ALPHA_TEST);
bglEnable(GL_TEXTURE_2D);
pthtyp *pth = our_texcache_fetch(DAMETH_NOMASK);
bglBindTexture(GL_TEXTURE_2D, pth ? pth->glpic : 0);
float const f = getshadefactor(globalshade);
if (((globalorientation>>7)&3) > 1)
{
bglEnable(GL_BLEND);
bglColor4f(f, f, f, float_trans[(globalorientation>>7)&3]);
}
else
{
bglDisable(GL_BLEND);
bglColor3f(f, f, f);
}
tessectrap((float *)rx1,(float *)ry1,xb1,npoints);
}
int32_t polymost_drawtilescreen(int32_t tilex, int32_t tiley, int32_t wallnum, int32_t dimen, int32_t tilezoom,
int32_t usehitile, uint8_t *loadedhitile)
{
float xdime, ydime, xdimepad, ydimepad, scx, scy, ratio = 1.f;
int32_t i;
pthtyp *pth;
if (getrendermode() < REND_POLYMOST || !in3dmode())
return -1;
if (!glinfo.texnpot)
{
i = (1<<(picsiz[wallnum]&15)); if (i < tilesiz[wallnum].x) i += i; xdimepad = (float)i;
i = (1<<(picsiz[wallnum]>>4)); if (i < tilesiz[wallnum].y) i += i; ydimepad = (float)i;
}
else
{
xdimepad = (float)tilesiz[wallnum].x;
ydimepad = (float)tilesiz[wallnum].y;
}
xdime = (float)tilesiz[wallnum].x; xdimepad = xdime/xdimepad;
ydime = (float)tilesiz[wallnum].y; ydimepad = ydime/ydimepad;
if ((xdime <= dimen) && (ydime <= dimen))
{
scx = xdime;
scy = ydime;
}
else
{
scx = (float)dimen;
scy = (float)dimen;
if (xdime < ydime)
scx *= xdime/ydime;
else
scy *= ydime/xdime;
}
{
int32_t ousehightile = usehightile;
usehightile = usehitile && usehightile;
pth = texcache_fetch(wallnum, 0, 0, DAMETH_CLAMPED);
if (usehightile)
loadedhitile[wallnum>>3] |= (1<<(wallnum&7));
usehightile = ousehightile;
}
bglBindTexture(GL_TEXTURE_2D, pth ? pth->glpic : 0);
bglDisable(GL_ALPHA_TEST);
if (tilezoom)
{
if (scx > scy) ratio = dimen/scx;
else ratio = dimen/scy;
}
if (!pth || (pth->flags & PTH_HASALPHA))
{
bglDisable(GL_TEXTURE_2D);
bglBegin(GL_TRIANGLE_FAN);
if (gammabrightness)
bglColor3f((float)curpalette[255].r*(1.0f/255.f),
(float)curpalette[255].g*(1.0f/255.f),
(float)curpalette[255].b*(1.0f/255.f));
else
bglColor3f((float)britable[curbrightness][ curpalette[255].r ] * (1.0f/255.f),
(float)britable[curbrightness][ curpalette[255].g ] * (1.0f/255.f),
(float)britable[curbrightness][ curpalette[255].b ] * (1.0f/255.f));
bglVertex2f((float)tilex ,(float)tiley);
bglVertex2f((float)tilex+(scx*ratio),(float)tiley);
bglVertex2f((float)tilex+(scx*ratio),(float)tiley+(scy*ratio));
bglVertex2f((float)tilex ,(float)tiley+(scy*ratio));
bglEnd();
}
bglColor3f(1,1,1);
bglEnable(GL_TEXTURE_2D);
bglEnable(GL_BLEND);
bglBegin(GL_TRIANGLE_FAN);
bglTexCoord2f(0, 0); bglVertex2f((float)tilex ,(float)tiley);
bglTexCoord2f(xdimepad, 0); bglVertex2f((float)tilex+(scx*ratio),(float)tiley);
bglTexCoord2f(xdimepad,ydimepad); bglVertex2f((float)tilex+(scx*ratio),(float)tiley+(scy*ratio));
bglTexCoord2f(0, ydimepad); bglVertex2f((float)tilex ,(float)tiley+(scy*ratio));
bglEnd();
return 0;
}
static int32_t gen_font_glyph_tex(void)
{
// construct a 256x128 8-bit alpha-only texture for the font glyph matrix
bglGenTextures(1,&polymosttext);
if (!polymosttext) return -1;
char * const tbuf = (char *)Xmalloc(256*128);
Bmemset(tbuf, 0, 256*128);
char * cptr = (char *)textfont;
for (int h=0; h<256; h++)
{
char *tptr = tbuf + (h%32)*8 + (h/32)*256*8;
for (int i=0; i<8; i++)
{
for (int j=0; j<8; j++)
{
if (cptr[h*8+i] & pow2char[7-j]) tptr[j] = 255;
}
tptr += 256;
}
}
cptr = (char *)smalltextfont;
for (int h=0; h<256; h++)
{
char *tptr = tbuf + 256*64 + (h%32)*8 + (h/32)*256*8;
for (int i=1; i<7; i++)
{
for (int j=2; j<6; j++)
{
if (cptr[h*8+i] & pow2char[7-j]) tptr[j-2] = 255;
}
tptr += 256;
}
}
bglBindTexture(GL_TEXTURE_2D, polymosttext);
bglTexImage2D(GL_TEXTURE_2D,0,GL_ALPHA,256,128,0,GL_ALPHA,GL_UNSIGNED_BYTE,(GLvoid *)tbuf);
bglTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_NEAREST);
bglTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_NEAREST);
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 (getrendermode() < REND_POLYMOST || !in3dmode() || (!polymosttext && gen_font_glyph_tex() < 0))
return -1;
else
bglBindTexture(GL_TEXTURE_2D, polymosttext);
setpolymost2dview(); // disables blending, texturing, and depth testing
bglDisable(GL_ALPHA_TEST);
bglDepthMask(GL_FALSE); // disable writing to the z-buffer
// bglPushAttrib(GL_POLYGON_BIT|GL_ENABLE_BIT);
// XXX: Don't fogify the OSD text in Mapster32 with r_usenewshading >= 2.
bglDisable(GL_FOG);
// We want to have readable text in wireframe mode, too:
bglPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
if (backcol >= 0)
{
int const c = Bstrlen(name);
bglColor4ub(b.r,b.g,b.b,255);
bglBegin(GL_QUADS);
bglVertex2i(xpos,ypos);
bglVertex2i(xpos,ypos+(fontsize?6:8));
bglVertex2i(xpos+(c<<(3-fontsize)), ypos+(fontsize ? 6 : 8));
bglVertex2i(xpos+(c<<(3-fontsize)), ypos);
bglEnd();
}
bglEnable(GL_TEXTURE_2D);
bglEnable(GL_BLEND);
bglColor4ub(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) };
bglBegin(GL_QUADS);
for (int 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);
bglColor4ub(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) };
bglTexCoord2f(t.x, t.y);
bglVertex2i(xpos, ypos);
bglTexCoord2f(t.x + tc.x, t.y);
bglVertex2i(xpos + (8 >> fontsize), ypos);
bglTexCoord2f(t.x + tc.x, t.y + tc.y);
bglVertex2i(xpos + (8 >> fontsize), ypos + (fontsize ? 6 : 8));
bglTexCoord2f(t.x, t.y + tc.y);
bglVertex2i(xpos, ypos + (fontsize ? 6 : 8));
xpos += (8>>fontsize);
}
bglEnd();
bglDepthMask(GL_TRUE); // re-enable writing to the z-buffer
// bglPopAttrib();
if (!nofog) bglEnable(GL_FOG);
return 0;
}
// Console commands by JBF
static int32_t gltexturemode(const osdfuncparm_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 int32_t osdcmd_cvar_set_polymost(const osdfuncparm_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"))
setvsync(vsync);
else if (!Bstrcasecmp(parm->name, "r_downsize"))
{
if (r_downsizevar == -1)
r_downsizevar = r_downsize;
if (in3dmode() && r_downsize != r_downsizevar)
{
texcache_invalidate();
resetvideomode();
if (setgamemode(fullscreen,xdim,ydim,bpp))
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"))
bglFogi(GL_FOG_MODE, (r_usenewshading < 2) ? GL_EXP2 : GL_LINEAR);
#ifdef POLYMER
else if (!Bstrcasecmp(parm->name, "r_pr_maxlightpasses"))
{
if (pr_maxlightpasses != r_pr_maxlightpasses)
{
polymer_invalidatelights();
pr_maxlightpasses = r_pr_maxlightpasses;
}
}
#endif
}
return r;
}
void polymost_initosdfuncs(void)
{
uint32_t i;
cvar_t cvars_polymost[] =
{
{ "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 },
{ "r_texcache","enable/disable OpenGL compressed texture cache",(void *) &glusetexcache, CVAR_INT, 0, 2 },
{ "r_memcache","enable/disable texture cache memory cache",(void *) &glusememcache, CVAR_BOOL, 0, 1 },
{ "r_texcompr","enable/disable OpenGL texture compression: 0: off 1: hightile only 2: ART and hightile",(void *) &glusetexcompr, CVAR_INT, 0, 2 },
#endif
#ifdef REDBLUEMODE
{ "r_redbluemode","enable/disable experimental OpenGL red-blue glasses mode",(void *) &glredbluemode, CVAR_BOOL, 0, 1 },
#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_BOOL, 0, 1
},
{ "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", (void *) &gltexfiltermode, CVAR_INT|CVAR_FUNCPTR, 0, 5 },
{ "r_usenewshading",
"visibility/fog code: 0: orig. Polymost 1: 07/2011 2: linear 12/2012 3: no neg. start 03/2014",
(void *) &r_usenewshading, CVAR_INT|CVAR_FUNCPTR, 0, 3
},
{ "r_usetileshades", "enable/disable Polymost tile shade textures", (void *) &r_usetileshades, CVAR_INT | CVAR_INVALIDATEART, 0, 2 },
#ifdef USE_GLEXT
{ "r_vbocount","sets the number of Vertex Buffer Objects to use when drawing models",(void *) &r_vbocount, CVAR_INT, 1, 256 },
{ "r_vbos"," enable/disable using Vertex Buffer Objects when drawing models",(void *) &r_vbos, CVAR_BOOL, 0, 1 },
#endif
{ "r_vertexarrays","enable/disable using vertex arrays when drawing models",(void *) &r_vertexarrays, CVAR_BOOL, 0, 1 },
{ "r_projectionhack", "enable/disable projection hack", (void *) &glprojectionhacks, CVAR_INT, 0, 1 },
#ifdef POLYMER
// polymer cvars
{ "r_pr_lighting", "enable/disable dynamic lights - restarts renderer", (void *) &pr_lighting, CVAR_INT | CVAR_RESTARTVID, 0, 2 },
{ "r_pr_normalmapping", "enable/disable virtual displacement mapping", (void *) &pr_normalmapping, CVAR_BOOL, 0, 1 },
{ "r_pr_specularmapping", "enable/disable specular mapping", (void *) &pr_specularmapping, CVAR_BOOL, 0, 1 },
{ "r_pr_shadows", "enable/disable dynamic shadows", (void *) &pr_shadows, CVAR_BOOL, 0, 1 },
{ "r_pr_shadowcount", "maximal amount of shadow emitting lights on screen - you need to restart the renderer for it to take effect", (void *) &pr_shadowcount, CVAR_INT, 0, 64 },
{ "r_pr_shadowdetail", "sets the shadow map resolution - you need to restart the renderer for it to take effect", (void *) &pr_shadowdetail, CVAR_INT, 0, 5 },
{ "r_pr_shadowfiltering", "enable/disable shadow edges filtering - you need to restart the renderer for it to take effect", (void *) &pr_shadowfiltering, CVAR_BOOL, 0, 1 },
{ "r_pr_maxlightpasses", "the maximal amount of lights a single object can by affected by", (void *) &r_pr_maxlightpasses, CVAR_INT|CVAR_FUNCPTR, 0, PR_MAXLIGHTS },
{ "r_pr_maxlightpriority", "lowering that value removes less meaningful lights from the scene", (void *) &pr_maxlightpriority, CVAR_INT, 0, PR_MAXLIGHTPRIORITY },
{ "r_pr_fov", "sets the field of vision in build angle", (void *) &pr_fov, CVAR_INT, 0, 1023},
{ "r_pr_customaspect", "if non-zero, forces the 3D view aspect ratio", (void *) &pr_customaspect, CVAR_DOUBLE, 0, 3 },
{ "r_pr_billboardingmode", "face sprite display method. 0: classic mode; 1: polymost mode", (void *) &pr_billboardingmode, CVAR_INT, 0, 1 },
{ "r_pr_verbosity", "verbosity level of the polymer renderer", (void *) &pr_verbosity, CVAR_INT, 0, 3 },
{ "r_pr_wireframe", "toggles wireframe mode", (void *) &pr_wireframe, CVAR_INT | CVAR_NOSAVE, 0, 1 },
{ "r_pr_vbos", "contols Vertex Buffer Object usage. 0: no VBOs. 1: VBOs for map data. 2: VBOs for model data.", (void *) &pr_vbos, CVAR_INT | CVAR_RESTARTVID, 0, 2 },
{ "r_pr_buckets", "controls batching of primitives. 0: no batching. 1: buckets of materials.", (void *)&pr_buckets, CVAR_BOOL | CVAR_NOSAVE | CVAR_RESTARTVID, 0, 1 },
{ "r_pr_gpusmoothing", "toggles model animation interpolation", (void *)&pr_gpusmoothing, CVAR_INT, 0, 1 },
{ "r_pr_overrideparallax", "overrides parallax mapping scale and bias values with values from the pr_parallaxscale and pr_parallaxbias cvars; use it to fine-tune DEF tokens",
(void *) &pr_overrideparallax, CVAR_BOOL | CVAR_NOSAVE, 0, 1 },
{ "r_pr_parallaxscale", "overriden parallax mapping offset scale", (void *) &pr_parallaxscale, CVAR_FLOAT | CVAR_NOSAVE, -10, 10 },
{ "r_pr_parallaxbias", "overriden parallax mapping offset bias", (void *) &pr_parallaxbias, CVAR_FLOAT | CVAR_NOSAVE, -10, 10 },
{ "r_pr_overridespecular", "overrides specular material power and factor values with values from the pr_specularpower and pr_specularfactor cvars; use it to fine-tune DEF tokens",
(void *) &pr_overridespecular, CVAR_BOOL | CVAR_NOSAVE, 0, 1 },
{ "r_pr_specularpower", "overriden specular material power", (void *) &pr_specularpower, CVAR_FLOAT | CVAR_NOSAVE, -10, 1000 },
{ "r_pr_specularfactor", "overriden specular material factor", (void *) &pr_specularfactor, CVAR_FLOAT | CVAR_NOSAVE, -10, 1000 },
{ "r_pr_highpalookups", "enable/disable highpalookups", (void *) &pr_highpalookups, CVAR_BOOL, 0, 1 },
{ "r_pr_artmapping", "enable/disable art mapping", (void *) &pr_artmapping, CVAR_BOOL | CVAR_INVALIDATEART, 0, 1 },
{ "r_pr_overridehud", "overrides hud model parameters with values from the pr_hud* cvars; use it to fine-tune DEF tokens", (void *) &pr_overridehud, CVAR_BOOL | CVAR_NOSAVE, 0, 1 },
{ "r_pr_hudxadd", "overriden HUD xadd; see r_pr_overridehud", (void *) &pr_hudxadd, CVAR_FLOAT | CVAR_NOSAVE, -100, 100 },
{ "r_pr_hudyadd", "overriden HUD yadd; see r_pr_overridehud", (void *) &pr_hudyadd, CVAR_FLOAT | CVAR_NOSAVE, -100, 100 },
{ "r_pr_hudzadd", "overriden HUD zadd; see r_pr_overridehud", (void *) &pr_hudzadd, CVAR_FLOAT | CVAR_NOSAVE, -100, 100 },
{ "r_pr_hudangadd", "overriden HUD angadd; see r_pr_overridehud", (void *) &pr_hudangadd, CVAR_INT | CVAR_NOSAVE, -1024, 1024 },
{ "r_pr_hudfov", "overriden HUD fov; see r_pr_overridehud", (void *) &pr_hudfov, CVAR_INT | CVAR_NOSAVE, 0, 1023 },
{ "r_pr_overridemodelscale", "overrides model scale if non-zero; use it to fine-tune DEF tokens", (void *) &pr_overridemodelscale, CVAR_FLOAT | CVAR_NOSAVE, 0, 500 },
{ "r_pr_ati_fboworkaround", "enable this to workaround an ATI driver bug that causes sprite shadows to be square - you need to restart the renderer for it to take effect", (void *) &pr_ati_fboworkaround, CVAR_BOOL | CVAR_NOSAVE, 0, 1 },
{ "r_pr_ati_nodepthoffset", "enable this to workaround an ATI driver bug that causes sprite drawing to freeze the game on Radeon X1x00 hardware - you need to restart the renderer for it to take effect", (void *) &pr_ati_nodepthoffset, CVAR_BOOL | CVAR_NOSAVE, 0, 1 },
{ "r_pr_nullrender", "disable all draws when enabled, 2: disables updates too", (void *)&pr_nullrender, CVAR_INT | CVAR_NOSAVE, 0, 3 },
#endif
#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++)
{
// can't do this: editstatus is set after this function
// if (editstatus==0 && !Bstrcmp(cvars_polymost[i].name, "r_preview_mouseaim"))
// continue;
if (OSD_RegisterCvar(&cvars_polymost[i])) continue;
OSD_RegisterFunction(cvars_polymost[i].name, cvars_polymost[i].desc,
cvars_polymost[i].type & 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
int32_t mid;
if (getrendermode() < REND_POLYMOST) return;
if ((palookup[dapalnum] == NULL) && (dapalnum < (MAXPALOOKUPS - RESERVEDPALS))) 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;
mid = md_tilehasmodel(dapicnum,dapalnum);
if (mid < 0 || models[mid]->mdnum < 2) return;
int j = (models[mid]->mdnum == 3) ? ((md3model_t *)models[mid])->head.numsurfs : 0;
for (int i = 0; i <= j; i++) mdloadskin((md2model_t *)models[mid], 0, dapalnum, i);
}
#else /* if !defined USE_OPENGL */
#include "compat.h"
int32_t polymost_drawtilescreen(int32_t tilex, int32_t tiley, int32_t wallnum, int32_t dimen,
int32_t usehitile, uint8_t *loadedhitile)
{
UNREFERENCED_PARAMETER(tilex);
UNREFERENCED_PARAMETER(tiley);
UNREFERENCED_PARAMETER(wallnum);
UNREFERENCED_PARAMETER(dimen);
UNREFERENCED_PARAMETER(usehitile);
UNREFERENCED_PARAMETER(loadedhitile);
return -1;
}
#endif
// vim:ts=4:sw=4: