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fteqw/engine/d3d/d3d_backend.c
Spoike da09f7ba44 Me having lots of fun with voice chat. 
git-svn-id: https://svn.code.sf.net/p/fteqw/code/branches/wip@3656 fc73d0e0-1445-4013-8a0c-d673dee63da5
2010-11-15 02:40:31 +00:00

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#include "quakedef.h"
#ifdef D3DQUAKE
#include "shader.h"
#include <d3d9.h>
#ifndef GLQUAKE
/*shaders have a few GL_FOO constants in them. they shouldn't, but they do.*/
#include <GL/gl.h>
#include "glsupp.h"
#endif
extern LPDIRECT3DDEVICE9 pD3DDev9;
//#define d3dcheck(foo) foo
#define d3dcheck(foo) do{HRESULT err = foo; if (FAILED(err)) Sys_Error("D3D reported error on backend line %i - error 0x%x\n", __LINE__, err);} while(0)
#define MAX_TMUS 4
/*========================================== tables for deforms =====================================*/
#define frand() (rand()*(1.0/RAND_MAX))
#define FTABLE_SIZE 1024
#define FTABLE_CLAMP(x) (((int)((x)*FTABLE_SIZE) & (FTABLE_SIZE-1)))
#define FTABLE_EVALUATE(table,x) (table ? table[FTABLE_CLAMP(x)] : frand()*((x)-floor(x)))
static float r_sintable[FTABLE_SIZE];
static float r_triangletable[FTABLE_SIZE];
static float r_squaretable[FTABLE_SIZE];
static float r_sawtoothtable[FTABLE_SIZE];
static float r_inversesawtoothtable[FTABLE_SIZE];
static float *FTableForFunc ( unsigned int func )
{
switch (func)
{
case SHADER_FUNC_SIN:
return r_sintable;
case SHADER_FUNC_TRIANGLE:
return r_triangletable;
case SHADER_FUNC_SQUARE:
return r_squaretable;
case SHADER_FUNC_SAWTOOTH:
return r_sawtoothtable;
case SHADER_FUNC_INVERSESAWTOOTH:
return r_inversesawtoothtable;
}
//bad values allow us to crash (so I can debug em)
return NULL;
}
static void FTable_Init(void)
{
unsigned int i;
double t;
for (i = 0; i < FTABLE_SIZE; i++)
{
t = (double)i / (double)FTABLE_SIZE;
r_sintable[i] = sin(t * 2*M_PI);
if (t < 0.25)
r_triangletable[i] = t * 4.0;
else if (t < 0.75)
r_triangletable[i] = 2 - 4.0 * t;
else
r_triangletable[i] = (t - 0.75) * 4.0 - 1.0;
if (t < 0.5)
r_squaretable[i] = 1.0f;
else
r_squaretable[i] = -1.0f;
r_sawtoothtable[i] = t;
r_inversesawtoothtable[i] = 1.0 - t;
}
}
typedef vec3_t mat3_t[3];
static mat3_t axisDefault={{1, 0, 0},
{0, 1, 0},
{0, 0, 1}};
static void Matrix3_Transpose (mat3_t in, mat3_t out)
{
out[0][0] = in[0][0];
out[1][1] = in[1][1];
out[2][2] = in[2][2];
out[0][1] = in[1][0];
out[0][2] = in[2][0];
out[1][0] = in[0][1];
out[1][2] = in[2][1];
out[2][0] = in[0][2];
out[2][1] = in[1][2];
}
static void Matrix3_Multiply_Vec3 (const mat3_t a, const vec3_t b, vec3_t product)
{
product[0] = a[0][0]*b[0] + a[0][1]*b[1] + a[0][2]*b[2];
product[1] = a[1][0]*b[0] + a[1][1]*b[1] + a[1][2]*b[2];
product[2] = a[2][0]*b[0] + a[2][1]*b[1] + a[2][2]*b[2];
}
static int Matrix3_Compare(const mat3_t in, const mat3_t out)
{
return !memcmp(in, out, sizeof(mat3_t));
}
/*================================================*/
typedef struct
{
backendmode_t mode;
unsigned int flags;
float curtime;
const entity_t *curentity;
shader_t *curshader;
texnums_t *curtexnums;
texid_t curlightmap;
texid_t curdeluxmap;
int curvertdecl;
unsigned int shaderbits;
unsigned int curcull;
unsigned int lastpasscount;
texid_t curtex[MAX_TMUS];
unsigned int tmuflags[MAX_TMUS];
mesh_t **meshlist;
unsigned int nummeshes;
D3DCOLOR passcolour;
qboolean passsinglecolour;
/*FIXME: we shouldn't lock these so much - we need to cache which batches have been submitted and set up streams separately from the vertex data*/
IDirect3DVertexBuffer9 *dynxyz_buff;
unsigned int dynxyz_offs;
unsigned int dynxyz_size;
IDirect3DVertexBuffer9 *dynst_buff[MAX_TMUS];
unsigned int dynst_offs[MAX_TMUS];
unsigned int dynst_size;
IDirect3DVertexBuffer9 *dyncol_buff;
unsigned int dyncol_offs;
unsigned int dyncol_size;
IDirect3DIndexBuffer9 *dynidx_buff;
unsigned int dynidx_offs;
unsigned int dynidx_size;
unsigned int wbatch;
unsigned int maxwbatches;
batch_t *wbatches;
} d3dbackend_t;
#define DYNVBUFFSIZE 65536
#define DYNIBUFFSIZE 65536
static d3dbackend_t shaderstate;
extern int be_maxpasses;
enum
{
D3D_VDEC_COL4B = 1<<0,
//D3D_VDEC_NORMS = 1<<1,
D3D_VDEC_ST0 = 1<<1,
D3D_VDEC_ST1 = 1<<2,
D3D_VDEC_ST2 = 1<<3,
D3D_VDEC_ST3 = 1<<4,
D3D_VDEC_MAX = 1<<5
};
IDirect3DVertexDeclaration9 *vertexdecls[D3D_VDEC_MAX];
void BE_D3D_Reset(qboolean before)
{
int i, tmu;
if (before)
{
IDirect3DDevice9_SetVertexDeclaration(pD3DDev9, NULL);
shaderstate.curvertdecl = 0;
for (i = 0; i < 5+MAX_TMUS; i++)
IDirect3DDevice9_SetStreamSource(pD3DDev9, i, NULL, 0, 0);
IDirect3DDevice9_SetIndices(pD3DDev9, NULL);
if (shaderstate.dynxyz_buff)
IDirect3DVertexBuffer9_Release(shaderstate.dynxyz_buff);
shaderstate.dynxyz_buff = NULL;
for (tmu = 0; tmu < MAX_TMUS; tmu++)
{
if (shaderstate.dynst_buff[tmu])
IDirect3DVertexBuffer9_Release(shaderstate.dynst_buff[tmu]);
shaderstate.dynst_buff[tmu] = NULL;
}
if (shaderstate.dyncol_buff)
IDirect3DVertexBuffer9_Release(shaderstate.dyncol_buff);
shaderstate.dyncol_buff = NULL;
if (shaderstate.dynidx_buff)
IDirect3DIndexBuffer9_Release(shaderstate.dynidx_buff);
shaderstate.dynidx_buff = NULL;
for (i = 0; i < D3D_VDEC_MAX; i++)
{
if (vertexdecls[i])
IDirect3DVertexDeclaration9_Release(vertexdecls[i]);
vertexdecls[i] = NULL;
}
}
else
{
D3DVERTEXELEMENT9 decl[8], declend=D3DDECL_END();
int elements;
for (i = 0; i < D3D_VDEC_MAX; i++)
{
elements = 0;
decl[elements].Stream = 0;
decl[elements].Offset = 0;
decl[elements].Type = D3DDECLTYPE_FLOAT3;
decl[elements].Method = D3DDECLMETHOD_DEFAULT;
decl[elements].Usage = D3DDECLUSAGE_POSITION;
decl[elements].UsageIndex = 0;
elements++;
if (i & D3D_VDEC_COL4B)
{
decl[elements].Stream = 1;
decl[elements].Offset = 0;
decl[elements].Type = D3DDECLTYPE_D3DCOLOR;
decl[elements].Method = D3DDECLMETHOD_DEFAULT;
decl[elements].Usage = D3DDECLUSAGE_COLOR;
decl[elements].UsageIndex = 0;
elements++;
}
/* if (i & D3D_VDEC_NORMS)
{
decl[elements].Stream = 2;
decl[elements].Offset = 0;
decl[elements].Type = D3DDECLTYPE_FLOAT2;
decl[elements].Method = D3DDECLMETHOD_DEFAULT;
decl[elements].Usage = D3DDECLUSAGE_TEXCOORD;
decl[elements].UsageIndex = 1;
elements++;
decl[elements].Stream = 3;
decl[elements].Offset = 0;
decl[elements].Type = D3DDECLTYPE_FLOAT2;
decl[elements].Method = D3DDECLMETHOD_DEFAULT;
decl[elements].Usage = D3DDECLUSAGE_TEXCOORD;
decl[elements].UsageIndex = 1;
elements++;
decl[elements].Stream = 4;
decl[elements].Offset = 0;
decl[elements].Type = D3DDECLTYPE_FLOAT2;
decl[elements].Method = D3DDECLMETHOD_DEFAULT;
decl[elements].Usage = D3DDECLUSAGE_TEXCOORD;
decl[elements].UsageIndex = 1;
elements++;
}
*/
for (tmu = 0; tmu < MAX_TMUS; tmu++)
{
if (i & (D3D_VDEC_ST0<<tmu))
{
decl[elements].Stream = 5+tmu;
decl[elements].Offset = 0;
decl[elements].Type = D3DDECLTYPE_FLOAT2;
decl[elements].Method = D3DDECLMETHOD_DEFAULT;
decl[elements].Usage = D3DDECLUSAGE_TEXCOORD;
decl[elements].UsageIndex = tmu;
elements++;
}
}
decl[elements] = declend;
elements++;
IDirect3DDevice9_CreateVertexDeclaration(pD3DDev9, decl, &vertexdecls[i]);
}
IDirect3DDevice9_CreateVertexBuffer(pD3DDev9, shaderstate.dynxyz_size, D3DUSAGE_DYNAMIC|D3DUSAGE_WRITEONLY, 0, D3DPOOL_DEFAULT, &shaderstate.dynxyz_buff, NULL);
for (tmu = 0; tmu < MAX_TMUS; tmu++)
IDirect3DDevice9_CreateVertexBuffer(pD3DDev9, shaderstate.dynst_size, D3DUSAGE_DYNAMIC|D3DUSAGE_WRITEONLY, 0, D3DPOOL_DEFAULT, &shaderstate.dynst_buff[tmu], NULL);
IDirect3DDevice9_CreateVertexBuffer(pD3DDev9, shaderstate.dyncol_size, D3DUSAGE_DYNAMIC|D3DUSAGE_WRITEONLY, 0, D3DPOOL_DEFAULT, &shaderstate.dyncol_buff, NULL);
IDirect3DDevice9_CreateIndexBuffer(pD3DDev9, shaderstate.dynidx_size, D3DUSAGE_DYNAMIC|D3DUSAGE_WRITEONLY, D3DFMT_QINDEX, D3DPOOL_DEFAULT, &shaderstate.dynidx_buff, NULL);
}
}
static void BE_ApplyTMUState(unsigned int tu, unsigned int flags)
{
if ((flags ^ shaderstate.tmuflags[tu]) & SHADER_PASS_CLAMP)
{
shaderstate.tmuflags[tu] ^= SHADER_PASS_CLAMP;
if (flags & SHADER_PASS_CLAMP)
{
IDirect3DDevice9_SetSamplerState(pD3DDev9, tu, D3DSAMP_ADDRESSU, D3DTADDRESS_CLAMP);
IDirect3DDevice9_SetSamplerState(pD3DDev9, tu, D3DSAMP_ADDRESSV, D3DTADDRESS_CLAMP);
IDirect3DDevice9_SetSamplerState(pD3DDev9, tu, D3DSAMP_ADDRESSW, D3DTADDRESS_CLAMP);
}
else
{
IDirect3DDevice9_SetSamplerState(pD3DDev9, tu, D3DSAMP_ADDRESSU, D3DTADDRESS_WRAP);
IDirect3DDevice9_SetSamplerState(pD3DDev9, tu, D3DSAMP_ADDRESSV, D3DTADDRESS_WRAP);
IDirect3DDevice9_SetSamplerState(pD3DDev9, tu, D3DSAMP_ADDRESSW, D3DTADDRESS_WRAP);
}
}
if ((flags ^ shaderstate.tmuflags[tu]) & SHADER_PASS_NOMIPMAP)
{
shaderstate.tmuflags[tu] ^= SHADER_PASS_NOMIPMAP;
/*lightmaps don't use mipmaps*/
if (flags & SHADER_PASS_NOMIPMAP)
{
IDirect3DDevice9_SetSamplerState(pD3DDev9, tu, D3DSAMP_MINFILTER, D3DTEXF_LINEAR);
IDirect3DDevice9_SetSamplerState(pD3DDev9, tu, D3DSAMP_MIPFILTER, D3DTEXF_NONE);
IDirect3DDevice9_SetSamplerState(pD3DDev9, tu, D3DSAMP_MAGFILTER, D3DTEXF_LINEAR);
}
else
{
IDirect3DDevice9_SetSamplerState(pD3DDev9, tu, D3DSAMP_MINFILTER, D3DTEXF_LINEAR);
IDirect3DDevice9_SetSamplerState(pD3DDev9, tu, D3DSAMP_MIPFILTER, D3DTEXF_LINEAR);
IDirect3DDevice9_SetSamplerState(pD3DDev9, tu, D3DSAMP_MAGFILTER, D3DTEXF_LINEAR);
}
}
}
static void D3DBE_ApplyShaderBits(unsigned int bits)
{
unsigned int delta;
delta = bits ^ shaderstate.shaderbits;
if (!delta)
return;
shaderstate.shaderbits = bits;
if (delta & SBITS_BLEND_BITS)
{
if (bits & SBITS_BLEND_BITS)
{
D3DBLEND src;
D3DBLEND dst;
switch(bits & SBITS_SRCBLEND_BITS)
{
case SBITS_SRCBLEND_ZERO: src = D3DBLEND_ZERO; break;
case SBITS_SRCBLEND_ONE: src = D3DBLEND_ONE; break;
case SBITS_SRCBLEND_DST_COLOR: src = D3DBLEND_DESTCOLOR; break;
case SBITS_SRCBLEND_ONE_MINUS_DST_COLOR: src = D3DBLEND_INVDESTCOLOR; break;
case SBITS_SRCBLEND_SRC_ALPHA: src = D3DBLEND_SRCALPHA; break;
case SBITS_SRCBLEND_ONE_MINUS_SRC_ALPHA: src = D3DBLEND_INVSRCALPHA; break;
case SBITS_SRCBLEND_DST_ALPHA: src = D3DBLEND_DESTALPHA; break;
case SBITS_SRCBLEND_ONE_MINUS_DST_ALPHA: src = D3DBLEND_INVDESTALPHA; break;
case SBITS_SRCBLEND_ALPHA_SATURATE: src = D3DBLEND_SRCALPHASAT; break;
default: Sys_Error("Bad shader blend src\n"); return;
}
switch(bits & SBITS_DSTBLEND_BITS)
{
case SBITS_DSTBLEND_ZERO: dst = D3DBLEND_ZERO; break;
case SBITS_DSTBLEND_ONE: dst = D3DBLEND_ONE; break;
case SBITS_DSTBLEND_SRC_ALPHA: dst = D3DBLEND_SRCALPHA; break;
case SBITS_DSTBLEND_ONE_MINUS_SRC_ALPHA: dst = D3DBLEND_INVSRCALPHA; break;
case SBITS_DSTBLEND_DST_ALPHA: dst = D3DBLEND_DESTALPHA; break;
case SBITS_DSTBLEND_ONE_MINUS_DST_ALPHA: dst = D3DBLEND_INVDESTALPHA; break;
case SBITS_DSTBLEND_SRC_COLOR: dst = D3DBLEND_SRCCOLOR; break;
case SBITS_DSTBLEND_ONE_MINUS_SRC_COLOR: dst = D3DBLEND_INVSRCCOLOR; break;
default: Sys_Error("Bad shader blend dst\n"); return;
}
IDirect3DDevice9_SetRenderState(pD3DDev9, D3DRS_ALPHABLENDENABLE, TRUE);
IDirect3DDevice9_SetRenderState(pD3DDev9, D3DRS_SRCBLEND, src);
IDirect3DDevice9_SetRenderState(pD3DDev9, D3DRS_DESTBLEND, dst);
}
else
IDirect3DDevice9_SetRenderState(pD3DDev9, D3DRS_ALPHABLENDENABLE, FALSE);
}
if (delta & SBITS_ATEST_BITS)
{
switch(bits & SBITS_ATEST_BITS)
{
case SBITS_ATEST_NONE:
IDirect3DDevice9_SetRenderState(pD3DDev9, D3DRS_ALPHATESTENABLE, FALSE);
// IDirect3DDevice9_SetRenderState(pD3DDev9, D3DRS_ALPHAREF, 0);
// IDirect3DDevice9_SetRenderState(pD3DDev9, D3DRS_ALPHAFUNC, 0);
break;
case SBITS_ATEST_GT0:
IDirect3DDevice9_SetRenderState(pD3DDev9, D3DRS_ALPHATESTENABLE, TRUE);
IDirect3DDevice9_SetRenderState(pD3DDev9, D3DRS_ALPHAREF, 0);
IDirect3DDevice9_SetRenderState(pD3DDev9, D3DRS_ALPHAFUNC, D3DCMP_GREATER);
break;
case SBITS_ATEST_LT128:
IDirect3DDevice9_SetRenderState(pD3DDev9, D3DRS_ALPHATESTENABLE, TRUE);
IDirect3DDevice9_SetRenderState(pD3DDev9, D3DRS_ALPHAREF, 128);
IDirect3DDevice9_SetRenderState(pD3DDev9, D3DRS_ALPHAFUNC, D3DCMP_LESS);
break;
case SBITS_ATEST_GE128:
IDirect3DDevice9_SetRenderState(pD3DDev9, D3DRS_ALPHATESTENABLE, TRUE);
IDirect3DDevice9_SetRenderState(pD3DDev9, D3DRS_ALPHAREF, 128);
IDirect3DDevice9_SetRenderState(pD3DDev9, D3DRS_ALPHAFUNC, D3DCMP_GREATEREQUAL);
break;
}
}
if (delta & SBITS_MISC_DEPTHWRITE)
{
if (bits & SBITS_MISC_DEPTHWRITE)
IDirect3DDevice9_SetRenderState(pD3DDev9, D3DRS_ZWRITEENABLE, TRUE);
else
IDirect3DDevice9_SetRenderState(pD3DDev9, D3DRS_ZWRITEENABLE, FALSE);
}
if(delta & SBITS_MISC_NODEPTHTEST)
{
if(bits & SBITS_MISC_NODEPTHTEST)
IDirect3DDevice9_SetRenderState(pD3DDev9, D3DRS_ZENABLE, FALSE);
else
IDirect3DDevice9_SetRenderState(pD3DDev9, D3DRS_ZENABLE, TRUE);
}
if (delta & (SBITS_MISC_DEPTHEQUALONLY|SBITS_MISC_DEPTHCLOSERONLY))
{
switch(bits & (SBITS_MISC_DEPTHEQUALONLY|SBITS_MISC_DEPTHCLOSERONLY))
{
default:
case 0:
IDirect3DDevice9_SetRenderState(pD3DDev9, D3DRS_ZFUNC, D3DCMP_LESSEQUAL);
break;
case SBITS_MISC_DEPTHEQUALONLY:
IDirect3DDevice9_SetRenderState(pD3DDev9, D3DRS_ZFUNC, D3DCMP_EQUAL);
break;
case SBITS_MISC_DEPTHCLOSERONLY:
IDirect3DDevice9_SetRenderState(pD3DDev9, D3DRS_ZFUNC, D3DCMP_LESS);
break;
}
}
}
void BE_Init(void)
{
unsigned int i;
be_maxpasses = MAX_TMUS;
memset(&shaderstate, 0, sizeof(shaderstate));
shaderstate.curvertdecl = -1;
FTable_Init();
shaderstate.dynxyz_size = sizeof(vecV_t) * DYNVBUFFSIZE;
shaderstate.dyncol_size = sizeof(byte_vec4_t) * DYNVBUFFSIZE;
shaderstate.dynst_size = sizeof(vec2_t) * DYNVBUFFSIZE;
shaderstate.dynidx_size = sizeof(index_t) * DYNIBUFFSIZE;
BE_D3D_Reset(false);
/*force all state to change, thus setting a known state*/
shaderstate.shaderbits = ~0;
D3DBE_ApplyShaderBits(0);
for (i = 0; i < MAX_TMUS; i++)
{
shaderstate.tmuflags[i] = ~0;
BE_ApplyTMUState(i, 0);
}
}
static void allocvertexbuffer(IDirect3DVertexBuffer9 *buff, unsigned int bmaxsize, unsigned int *offset, void **data, unsigned int bytes)
{
unsigned int boff;
if (*offset + bytes > bmaxsize)
{
boff = 0;
*offset = bytes;
}
else
{
boff = *offset;
*offset += bytes;
}
d3dcheck(IDirect3DVertexBuffer9_Lock(buff, boff, bytes, data, boff?D3DLOCK_NOOVERWRITE:D3DLOCK_DISCARD));
}
static unsigned int allocindexbuffer(void **dest, unsigned int entries)
{
unsigned int bytes = entries*sizeof(index_t);
unsigned int offset;
if (shaderstate.dynidx_offs + bytes > DYNIBUFFSIZE)
{
offset = 0;
shaderstate.dynidx_offs = 0;
}
else
{
offset = shaderstate.dynidx_offs;
shaderstate.dynidx_offs += bytes;
}
d3dcheck(IDirect3DIndexBuffer9_Lock(shaderstate.dynidx_buff, offset, entries, dest, offset?D3DLOCK_NOOVERWRITE:D3DLOCK_DISCARD));
return offset/sizeof(index_t);
}
static void BindTexture(unsigned int tu, void *id)
{
if (shaderstate.curtex[tu].ptr != id)
{
shaderstate.curtex[tu].ptr = id;
IDirect3DDevice9_SetTexture (pD3DDev9, tu, id);
}
}
static void SelectPassTexture(unsigned int tu, shaderpass_t *pass)
{
switch(pass->texgen)
{
default:
case T_GEN_DIFFUSE:
BindTexture(tu, shaderstate.curtexnums->base.ptr);
break;
case T_GEN_NORMALMAP:
BindTexture( tu, shaderstate.curtexnums->bump.ptr);
break;
case T_GEN_SPECULAR:
BindTexture(tu, shaderstate.curtexnums->specular.ptr);
break;
case T_GEN_UPPEROVERLAY:
BindTexture(tu, shaderstate.curtexnums->upperoverlay.ptr);
break;
case T_GEN_LOWEROVERLAY:
BindTexture(tu, shaderstate.curtexnums->loweroverlay.ptr);
break;
case T_GEN_FULLBRIGHT:
BindTexture(tu, shaderstate.curtexnums->fullbright.ptr);
break;
case T_GEN_ANIMMAP:
BindTexture(tu, pass->anim_frames[(int)(pass->anim_fps * shaderstate.curtime) % pass->anim_numframes].ptr);
break;
case T_GEN_SINGLEMAP:
BindTexture(tu, pass->anim_frames[0].ptr);
break;
case T_GEN_DELUXMAP:
BindTexture(tu, shaderstate.curdeluxmap.ptr);
break;
case T_GEN_LIGHTMAP:
BindTexture(tu, shaderstate.curlightmap.ptr);
break;
/*case T_GEN_CURRENTRENDER:
FIXME: no code to grab the current screen and convert to a texture
break;*/
case T_GEN_VIDEOMAP:
BindTexture(tu, Media_UpdateForShader(pass->cin).ptr);
break;
}
BE_ApplyTMUState(tu, pass->flags);
switch (pass->blendmode)
{
case GL_DOT3_RGB_ARB:
IDirect3DDevice9_SetTextureStageState(pD3DDev9, tu, D3DTSS_COLORARG1, D3DTA_TEXTURE);
IDirect3DDevice9_SetTextureStageState(pD3DDev9, tu, D3DTSS_COLORARG2, D3DTA_CURRENT);
IDirect3DDevice9_SetTextureStageState(pD3DDev9, tu, D3DTSS_COLOROP, D3DTOP_DOTPRODUCT3);
IDirect3DDevice9_SetTextureStageState(pD3DDev9, tu, D3DTSS_ALPHAARG1, D3DTA_TEXTURE);
// IDirect3DDevice9_SetTextureStageState(pD3DDev9, tu, D3DTSS_ALPHAARG2, D3DTA_DIFFUSE);
IDirect3DDevice9_SetTextureStageState(pD3DDev9, tu, D3DTSS_ALPHAOP, D3DTOP_SELECTARG1);
break;
case GL_REPLACE:
IDirect3DDevice9_SetTextureStageState(pD3DDev9, tu, D3DTSS_COLORARG1, D3DTA_TEXTURE);
IDirect3DDevice9_SetTextureStageState(pD3DDev9, tu, D3DTSS_COLOROP, D3DTOP_SELECTARG1);
IDirect3DDevice9_SetTextureStageState(pD3DDev9, tu, D3DTSS_ALPHAARG1, D3DTA_TEXTURE);
// IDirect3DDevice9_SetTextureStageState(pD3DDev9, tu, D3DTSS_ALPHAARG2, D3DTA_DIFFUSE);
IDirect3DDevice9_SetTextureStageState(pD3DDev9, tu, D3DTSS_ALPHAOP, D3DTOP_SELECTARG1);
break;
case GL_ADD:
IDirect3DDevice9_SetTextureStageState(pD3DDev9, tu, D3DTSS_COLORARG1, D3DTA_TEXTURE);
IDirect3DDevice9_SetTextureStageState(pD3DDev9, tu, D3DTSS_COLORARG2, D3DTA_CURRENT);
IDirect3DDevice9_SetTextureStageState(pD3DDev9, tu, D3DTSS_COLOROP, D3DTOP_BLENDTEXTUREALPHA);
shaderstate.passcolour &= 0xff000000;
IDirect3DDevice9_SetTextureStageState(pD3DDev9, tu, D3DTSS_ALPHAARG1, D3DTA_TEXTURE);
IDirect3DDevice9_SetTextureStageState(pD3DDev9, tu, D3DTSS_ALPHAARG2, D3DTA_DIFFUSE);
IDirect3DDevice9_SetTextureStageState(pD3DDev9, tu, D3DTSS_ALPHAOP, D3DTOP_MODULATE);
break;
case GL_DECAL:
if (!tu)
goto forcemod;
IDirect3DDevice9_SetTextureStageState(pD3DDev9, tu, D3DTSS_COLORARG1, D3DTA_TEXTURE);
IDirect3DDevice9_SetTextureStageState(pD3DDev9, tu, D3DTSS_COLORARG2, D3DTA_CURRENT);
IDirect3DDevice9_SetTextureStageState(pD3DDev9, tu, D3DTSS_COLOROP, D3DTOP_BLENDTEXTUREALPHA);
IDirect3DDevice9_SetTextureStageState(pD3DDev9, tu, D3DTSS_ALPHAARG1, D3DTA_TEXTURE);
// IDirect3DDevice9_SetTextureStageState(pD3DDev9, tu, D3DTSS_ALPHAARG2, D3DTA_CURRENT);
IDirect3DDevice9_SetTextureStageState(pD3DDev9, tu, D3DTSS_ALPHAOP, D3DTOP_SELECTARG1);
break;
default:
case GL_MODULATE:
forcemod:
IDirect3DDevice9_SetTextureStageState(pD3DDev9, tu, D3DTSS_COLORARG1, D3DTA_TEXTURE);
IDirect3DDevice9_SetTextureStageState(pD3DDev9, tu, D3DTSS_COLORARG2, D3DTA_CURRENT);
IDirect3DDevice9_SetTextureStageState(pD3DDev9, tu, D3DTSS_COLOROP, D3DTOP_MODULATE);
IDirect3DDevice9_SetTextureStageState(pD3DDev9, tu, D3DTSS_ALPHAARG1, D3DTA_TEXTURE);
IDirect3DDevice9_SetTextureStageState(pD3DDev9, tu, D3DTSS_ALPHAARG2, D3DTA_CURRENT);
IDirect3DDevice9_SetTextureStageState(pD3DDev9, tu, D3DTSS_ALPHAOP, D3DTOP_MODULATE);
break;
}
if (tu == 0)
{
if (shaderstate.passsinglecolour)
{
IDirect3DDevice9_SetTextureStageState(pD3DDev9, tu, D3DTSS_COLORARG2, D3DTA_CONSTANT);
IDirect3DDevice9_SetTextureStageState(pD3DDev9, tu, D3DTSS_ALPHAARG2, D3DTA_CONSTANT);
IDirect3DDevice9_SetTextureStageState(pD3DDev9, tu, D3DTSS_CONSTANT, shaderstate.passcolour);
}
else
{
IDirect3DDevice9_SetTextureStageState(pD3DDev9, tu, D3DTSS_COLORARG2, D3DTA_DIFFUSE);
IDirect3DDevice9_SetTextureStageState(pD3DDev9, tu, D3DTSS_ALPHAARG2, D3DTA_DIFFUSE);
}
}
}
static void colourgenbyte(const shaderpass_t *pass, int cnt, const byte_vec4_t *src, byte_vec4_t *dst, const mesh_t *mesh)
{
D3DCOLOR block;
switch (pass->rgbgen)
{
case RGB_GEN_ENTITY:
block = D3DCOLOR_COLORVALUE(shaderstate.curentity->shaderRGBAf[0], shaderstate.curentity->shaderRGBAf[1], shaderstate.curentity->shaderRGBAf[2], shaderstate.curentity->shaderRGBAf[3]);
while((cnt)--)
{
((D3DCOLOR*)dst)[cnt] = block;
}
break;
case RGB_GEN_ONE_MINUS_ENTITY:
block = D3DCOLOR_COLORVALUE(1-shaderstate.curentity->shaderRGBAf[0], 1-shaderstate.curentity->shaderRGBAf[1], 1-shaderstate.curentity->shaderRGBAf[2], 1-shaderstate.curentity->shaderRGBAf[3]);
while((cnt)--)
{
((D3DCOLOR*)dst)[cnt] = block;
}
break;
case RGB_GEN_VERTEX:
case RGB_GEN_EXACT_VERTEX:
if (!src)
{
while((cnt)--)
{
dst[cnt][0] = 255;//shaderstate.identitylighting;
dst[cnt][1] = 255;//shaderstate.identitylighting;
dst[cnt][2] = 255;//shaderstate.identitylighting;
}
}
else
{
while((cnt)--)
{
qbyte r, g, b;
r=src[cnt][0];
g=src[cnt][1];
b=src[cnt][2];
dst[cnt][0] = b;
dst[cnt][1] = g;
dst[cnt][2] = r;
}
}
break;
case RGB_GEN_ONE_MINUS_VERTEX:
while((cnt)--)
{
qbyte r, g, b;
r=255-src[cnt][0];
g=255-src[cnt][1];
b=255-src[cnt][2];
dst[cnt][0] = b;
dst[cnt][1] = g;
dst[cnt][2] = r;
}
break;
case RGB_GEN_IDENTITY_LIGHTING:
//compensate for overbrights
while((cnt)--)
{
dst[cnt][0] = 255;//shaderstate.identitylighting;
dst[cnt][1] = 255;//shaderstate.identitylighting;
dst[cnt][2] = 255;//shaderstate.identitylighting;
}
break;
default:
case RGB_GEN_IDENTITY:
block = D3DCOLOR_RGBA(255, 255, 255, 255);
while((cnt)--)
{
((D3DCOLOR*)dst)[cnt] = block;
}
break;
case RGB_GEN_CONST:
block = D3DCOLOR_COLORVALUE(pass->rgbgen_func.args[0], pass->rgbgen_func.args[1], pass->rgbgen_func.args[2], 1);
while((cnt)--)
{
((D3DCOLOR*)dst)[cnt] = block;
}
break;
case RGB_GEN_LIGHTING_DIFFUSE:
//collect lighting details for mobile entities
if (!mesh->normals_array)
{
block = D3DCOLOR_RGBA(255, 255, 255, 255);
while((cnt)--)
{
((D3DCOLOR*)dst)[cnt] = block;
}
}
else
{
R_LightArraysByte_BGR(mesh->xyz_array, dst, cnt, mesh->normals_array);
}
break;
case RGB_GEN_WAVE:
{
float *table;
float c;
table = FTableForFunc(pass->rgbgen_func.type);
c = pass->rgbgen_func.args[2] + shaderstate.curtime * pass->rgbgen_func.args[3];
c = FTABLE_EVALUATE(table, c) * pass->rgbgen_func.args[1] + pass->rgbgen_func.args[0];
c = bound(0.0f, c, 1.0f);
block = D3DCOLOR_COLORVALUE(c, c, c, 1);
while((cnt)--)
{
((D3DCOLOR*)dst)[cnt] = block;
}
}
break;
case RGB_GEN_TOPCOLOR:
case RGB_GEN_BOTTOMCOLOR:
#pragma message("fix 24bit player colours")
block = D3DCOLOR_RGBA(255, 255, 255, 255);
while((cnt)--)
{
((D3DCOLOR*)dst)[cnt] = block;
}
// Con_Printf("RGB_GEN %i not supported\n", pass->rgbgen);
break;
}
}
static void alphagenbyte(const shaderpass_t *pass, int cnt, const byte_vec4_t *src, byte_vec4_t *dst, const mesh_t *mesh)
{
/*FIXME: Skip this if the rgbgen did it*/
float *table;
unsigned char t;
float f;
vec3_t v1, v2;
switch (pass->alphagen)
{
default:
case ALPHA_GEN_IDENTITY:
while(cnt--)
dst[cnt][3] = 255;
break;
case ALPHA_GEN_CONST:
t = pass->alphagen_func.args[0]*255;
while(cnt--)
dst[cnt][3] = t;
break;
case ALPHA_GEN_WAVE:
table = FTableForFunc(pass->alphagen_func.type);
f = pass->alphagen_func.args[2] + shaderstate.curtime * pass->alphagen_func.args[3];
f = FTABLE_EVALUATE(table, f) * pass->alphagen_func.args[1] + pass->alphagen_func.args[0];
t = bound(0.0f, f, 1.0f)*255;
while(cnt--)
dst[cnt][3] = t;
break;
case ALPHA_GEN_PORTAL:
//FIXME: should this be per-vert?
VectorAdd(mesh->xyz_array[0], shaderstate.curentity->origin, v1);
VectorSubtract(r_origin, v1, v2);
f = VectorLength(v2) * (1.0 / 255.0);
t = bound(0.0f, f, 1.0f)*255;
while(cnt--)
dst[cnt][3] = t;
break;
case ALPHA_GEN_VERTEX:
if (!src)
{
while(cnt--)
{
dst[cnt][3] = 255;
}
break;
}
while(cnt--)
{
dst[cnt][3] = src[cnt][3];
}
break;
case ALPHA_GEN_ENTITY:
t = bound(0, shaderstate.curentity->shaderRGBAf[3], 1)*255;
while(cnt--)
{
dst[cnt][3] = t;
}
break;
case ALPHA_GEN_SPECULAR:
{
int i;
VectorSubtract(r_origin, shaderstate.curentity->origin, v1);
if (!Matrix3_Compare(shaderstate.curentity->axis, axisDefault))
{
Matrix3_Multiply_Vec3(shaderstate.curentity->axis, v2, v2);
}
else
{
VectorCopy(v1, v2);
}
for (i = 0; i < cnt; i++)
{
VectorSubtract(v2, mesh->xyz_array[i], v1);
f = DotProduct(v1, mesh->normals_array[i] ) * Q_rsqrt(DotProduct(v1,v1));
f = f * f * f * f * f;
dst[i][3] = bound (0.0f, (int)(f*255), 255);
}
}
break;
}
}
static unsigned int BE_GenerateColourMods(unsigned int vertcount, const shaderpass_t *pass)
{
unsigned int ret = 0;
unsigned char *map;
const mesh_t *m;
unsigned int mno;
m = shaderstate.meshlist[0];
if (pass->flags & SHADER_PASS_NOCOLORARRAY)
{
shaderstate.passsinglecolour = true;
shaderstate.passcolour = D3DCOLOR_RGBA(255,255,255,255);
colourgenbyte(pass, 1, (byte_vec4_t*)&shaderstate.passcolour, (byte_vec4_t*)&shaderstate.passcolour, m);
alphagenbyte(pass, 1, (byte_vec4_t*)&shaderstate.passcolour, (byte_vec4_t*)&shaderstate.passcolour, m);
/*FIXME: just because there's no rgba set, there's no reason to assume it should be a single colour (unshaded ents)*/
d3dcheck(IDirect3DDevice9_SetStreamSource(pD3DDev9, 1, NULL, 0, 0));
}
else
{
unsigned int v;
int c;
float *src;
shaderstate.passsinglecolour = false;
ret |= D3D_VDEC_COL4B;
allocvertexbuffer(shaderstate.dyncol_buff, shaderstate.dyncol_size, &shaderstate.dyncol_offs, (void**)&map, vertcount*sizeof(D3DCOLOR));
if (m->colors4b_array)
{
for (vertcount = 0, mno = 0; mno < shaderstate.nummeshes; mno++)
{
m = shaderstate.meshlist[mno];
colourgenbyte(pass, m->numvertexes, (byte_vec4_t*)m->colors4b_array, (byte_vec4_t*)map, m);
alphagenbyte(pass, m->numvertexes, (byte_vec4_t*)m->colors4b_array, (byte_vec4_t*)map, m);
map += m->numvertexes*4;
vertcount += m->numvertexes;
}
}
else if (m->colors4f_array &&
((pass->rgbgen == RGB_GEN_VERTEX) ||
(pass->rgbgen == RGB_GEN_EXACT_VERTEX) ||
(pass->rgbgen == RGB_GEN_ONE_MINUS_VERTEX) ||
(pass->alphagen == ALPHA_GEN_VERTEX)))
{
for (vertcount = 0, mno = 0; mno < shaderstate.nummeshes; mno++)
{
m = shaderstate.meshlist[mno];
src = m->colors4f_array[0];
for (v = 0; v < m->numvertexes; v++)
{
c = src[0]*255;
map[0] = bound(0, c, 255);
c = src[1]*255;
map[1] = bound(0, c, 255);
c = src[2]*255;
map[2] = bound(0, c, 255);
c = src[3]*255;
map[3] = bound(0, c, 255);
map += 4;
src += 4;
}
vertcount += m->numvertexes;
}
map -= vertcount*4;
/*FIXME: m is wrong. its the last ent only*/
colourgenbyte(pass, vertcount, (byte_vec4_t*)map, (byte_vec4_t*)map, m);
alphagenbyte(pass, vertcount, (byte_vec4_t*)map, (byte_vec4_t*)map, m);
}
else
{
for (vertcount = 0, mno = 0; mno < shaderstate.nummeshes; mno++)
{
m = shaderstate.meshlist[mno];
colourgenbyte(pass, m->numvertexes, NULL, (byte_vec4_t*)map, m);
alphagenbyte(pass, m->numvertexes, NULL, (byte_vec4_t*)map, m);
map += m->numvertexes*4;
vertcount += m->numvertexes;
}
}
d3dcheck(IDirect3DVertexBuffer9_Unlock(shaderstate.dyncol_buff));
d3dcheck(IDirect3DDevice9_SetStreamSource(pD3DDev9, 1, shaderstate.dyncol_buff, shaderstate.dyncol_offs - vertcount*sizeof(D3DCOLOR), sizeof(D3DCOLOR)));
}
return ret;
}
/*********************************************************************************************************/
/*========================================== texture coord generation =====================================*/
static void tcgen_environment(float *st, unsigned int numverts, float *xyz, float *normal)
{
int i;
vec3_t viewer, reflected;
float d;
vec3_t rorg;
RotateLightVector(shaderstate.curentity->axis, shaderstate.curentity->origin, r_origin, rorg);
for (i = 0 ; i < numverts ; i++, xyz += 3, normal += 3, st += 2 )
{
VectorSubtract (rorg, xyz, viewer);
VectorNormalizeFast (viewer);
d = DotProduct (normal, viewer);
reflected[0] = normal[0]*2*d - viewer[0];
reflected[1] = normal[1]*2*d - viewer[1];
reflected[2] = normal[2]*2*d - viewer[2];
st[0] = 0.5 + reflected[1] * 0.5;
st[1] = 0.5 - reflected[2] * 0.5;
}
}
static float *tcgen(const shaderpass_t *pass, int cnt, float *dst, const mesh_t *mesh)
{
int i;
vecV_t *src;
switch (pass->tcgen)
{
default:
case TC_GEN_BASE:
return (float*)mesh->st_array;
case TC_GEN_LIGHTMAP:
return (float*)mesh->lmst_array;
case TC_GEN_NORMAL:
return (float*)mesh->normals_array;
case TC_GEN_SVECTOR:
return (float*)mesh->snormals_array;
case TC_GEN_TVECTOR:
return (float*)mesh->tnormals_array;
case TC_GEN_ENVIRONMENT:
tcgen_environment(dst, cnt, (float*)mesh->xyz_array, (float*)mesh->normals_array);
return dst;
case TC_GEN_DOTPRODUCT:
return dst;//mesh->st_array[0];
case TC_GEN_VECTOR:
src = mesh->xyz_array;
for (i = 0; i < cnt; i++, dst += 2)
{
static vec3_t tc_gen_s = { 1.0f, 0.0f, 0.0f };
static vec3_t tc_gen_t = { 0.0f, 1.0f, 0.0f };
dst[0] = DotProduct(tc_gen_s, src[i]);
dst[1] = DotProduct(tc_gen_t, src[i]);
}
return dst;
}
}
/*src and dst can be the same address when tcmods are chained*/
static void tcmod(const tcmod_t *tcmod, int cnt, const float *src, float *dst, const mesh_t *mesh)
{
float *table;
float t1, t2;
float cost, sint;
int j;
#define R_FastSin(x) sin((x)*(2*M_PI))
switch (tcmod->type)
{
case SHADER_TCMOD_ROTATE:
cost = tcmod->args[0] * shaderstate.curtime;
sint = R_FastSin(cost);
cost = R_FastSin(cost + 0.25);
for (j = 0; j < cnt; j++, dst+=2,src+=2)
{
t1 = cost * (src[0] - 0.5f) - sint * (src[1] - 0.5f) + 0.5f;
t2 = cost * (src[1] - 0.5f) + sint * (src[0] - 0.5f) + 0.5f;
dst[0] = t1;
dst[1] = t2;
}
break;
case SHADER_TCMOD_SCALE:
t1 = tcmod->args[0];
t2 = tcmod->args[1];
for (j = 0; j < cnt; j++, dst+=2,src+=2)
{
dst[0] = src[0] * t1;
dst[1] = src[1] * t2;
}
break;
case SHADER_TCMOD_TURB:
t1 = tcmod->args[2] + shaderstate.curtime * tcmod->args[3];
t2 = tcmod->args[1];
for (j = 0; j < cnt; j++, dst+=2,src+=2)
{
dst[0] = src[0] + R_FastSin (src[0]*t2+t1) * t2;
dst[1] = src[1] + R_FastSin (src[1]*t2+t1) * t2;
}
break;
case SHADER_TCMOD_STRETCH:
table = FTableForFunc(tcmod->args[0]);
t2 = tcmod->args[3] + shaderstate.curtime * tcmod->args[4];
t1 = FTABLE_EVALUATE(table, t2) * tcmod->args[2] + tcmod->args[1];
t1 = t1 ? 1.0f / t1 : 1.0f;
t2 = 0.5f - 0.5f * t1;
for (j = 0; j < cnt; j++, dst+=2,src+=2)
{
dst[0] = src[0] * t1 + t2;
dst[1] = src[1] * t1 + t2;
}
break;
case SHADER_TCMOD_SCROLL:
t1 = tcmod->args[0] * shaderstate.curtime;
t2 = tcmod->args[1] * shaderstate.curtime;
for (j = 0; j < cnt; j++, dst += 2, src+=2)
{
dst[0] = src[0] + t1;
dst[1] = src[1] + t2;
}
break;
case SHADER_TCMOD_TRANSFORM:
for (j = 0; j < cnt; j++, dst+=2, src+=2)
{
t1 = src[0];
t2 = src[1];
dst[0] = t1 * tcmod->args[0] + t2 * tcmod->args[2] + tcmod->args[4];
dst[1] = t2 * tcmod->args[1] + t1 * tcmod->args[3] + tcmod->args[5];
}
break;
default:
break;
}
}
static void GenerateTCMods(const shaderpass_t *pass, float *dest)
{
mesh_t *mesh;
unsigned int fvertex = 0, mno;
int i;
float *src;
for (mno = 0; mno < shaderstate.nummeshes; mno++)
{
mesh = shaderstate.meshlist[mno];
src = tcgen(pass, mesh->numvertexes, dest, mesh);
//tcgen might return unmodified info
if (pass->numtcmods)
{
tcmod(&pass->tcmods[0], mesh->numvertexes, src, dest, mesh);
for (i = 1; i < pass->numtcmods; i++)
{
tcmod(&pass->tcmods[i], mesh->numvertexes, dest, dest, mesh);
}
}
else if (src != dest)
{
memcpy(dest, src, 8*mesh->numvertexes);
}
dest += mesh->numvertexes*2;
}
}
//end texture coords
/*******************************************************************************************************************/
static void deformgen(const deformv_t *deformv, int cnt, const vecV_t *src, vecV_t *dst, const mesh_t *mesh)
{
float *table;
int j, k;
float args[4];
float deflect;
switch (deformv->type)
{
default:
case DEFORMV_NONE:
if (src != (const avec4_t*)dst)
memcpy(dst, src, sizeof(*src)*cnt);
break;
case DEFORMV_WAVE:
if (!mesh->normals_array)
{
if (src != (const avec4_t*)dst)
memcpy(dst, src, sizeof(*src)*cnt);
return;
}
args[0] = deformv->func.args[0];
args[1] = deformv->func.args[1];
args[3] = deformv->func.args[2] + deformv->func.args[3] * shaderstate.curtime;
table = FTableForFunc(deformv->func.type);
for ( j = 0; j < cnt; j++ )
{
deflect = deformv->args[0] * (src[j][0]+src[j][1]+src[j][2]) + args[3];
deflect = FTABLE_EVALUATE(table, deflect) * args[1] + args[0];
// Deflect vertex along its normal by wave amount
VectorMA(src[j], deflect, mesh->normals_array[j], dst[j]);
}
break;
case DEFORMV_NORMAL:
//normal does not actually move the verts, but it does change the normals array
//we don't currently support that.
if (src != (const avec4_t*)dst)
memcpy(dst, src, sizeof(*src)*cnt);
/*
args[0] = deformv->args[1] * shaderstate.curtime;
for ( j = 0; j < cnt; j++ )
{
args[1] = normalsArray[j][2] * args[0];
deflect = deformv->args[0] * R_FastSin(args[1]);
normalsArray[j][0] *= deflect;
deflect = deformv->args[0] * R_FastSin(args[1] + 0.25);
normalsArray[j][1] *= deflect;
VectorNormalizeFast(normalsArray[j]);
}
*/ break;
case DEFORMV_MOVE:
table = FTableForFunc(deformv->func.type);
deflect = deformv->func.args[2] + shaderstate.curtime * deformv->func.args[3];
deflect = FTABLE_EVALUATE(table, deflect) * deformv->func.args[1] + deformv->func.args[0];
for ( j = 0; j < cnt; j++ )
VectorMA(src[j], deflect, deformv->args, dst[j]);
break;
case DEFORMV_BULGE:
args[0] = deformv->args[0]/(2*M_PI);
args[1] = deformv->args[1];
args[2] = shaderstate.curtime * deformv->args[2]/(2*M_PI);
for (j = 0; j < cnt; j++)
{
deflect = R_FastSin(mesh->st_array[j][0]*args[0] + args[2])*args[1];
dst[j][0] = src[j][0]+deflect*mesh->normals_array[j][0];
dst[j][1] = src[j][1]+deflect*mesh->normals_array[j][1];
dst[j][2] = src[j][2]+deflect*mesh->normals_array[j][2];
}
break;
case DEFORMV_AUTOSPRITE:
if (mesh->numindexes < 6)
break;
for (j = 0; j < cnt-3; j+=4, src+=4, dst+=4)
{
vec3_t mid, d;
float radius;
mid[0] = 0.25*(src[0][0] + src[1][0] + src[2][0] + src[3][0]);
mid[1] = 0.25*(src[0][1] + src[1][1] + src[2][1] + src[3][1]);
mid[2] = 0.25*(src[0][2] + src[1][2] + src[2][2] + src[3][2]);
VectorSubtract(src[0], mid, d);
radius = 2*VectorLength(d);
for (k = 0; k < 4; k++)
{
dst[k][0] = mid[0] + radius*((mesh->st_array[k][0]-0.5)*r_refdef.m_view[0+0]-(mesh->st_array[k][1]-0.5)*r_refdef.m_view[0+1]);
dst[k][1] = mid[1] + radius*((mesh->st_array[k][0]-0.5)*r_refdef.m_view[4+0]-(mesh->st_array[k][1]-0.5)*r_refdef.m_view[4+1]);
dst[k][2] = mid[2] + radius*((mesh->st_array[k][0]-0.5)*r_refdef.m_view[8+0]-(mesh->st_array[k][1]-0.5)*r_refdef.m_view[8+1]);
}
}
break;
case DEFORMV_AUTOSPRITE2:
if (mesh->numindexes < 6)
break;
for (k = 0; k < mesh->numindexes; k += 6)
{
int long_axis, short_axis;
vec3_t axis;
float len[3];
mat3_t m0, m1, m2, result;
float *quad[4];
vec3_t rot_centre, tv;
quad[0] = (float *)(dst + mesh->indexes[k+0]);
quad[1] = (float *)(dst + mesh->indexes[k+1]);
quad[2] = (float *)(dst + mesh->indexes[k+2]);
for (j = 2; j >= 0; j--)
{
quad[3] = (float *)(dst + mesh->indexes[k+3+j]);
if (!VectorEquals (quad[3], quad[0]) &&
!VectorEquals (quad[3], quad[1]) &&
!VectorEquals (quad[3], quad[2]))
{
break;
}
}
// build a matrix were the longest axis of the billboard is the Y-Axis
VectorSubtract(quad[1], quad[0], m0[0]);
VectorSubtract(quad[2], quad[0], m0[1]);
VectorSubtract(quad[2], quad[1], m0[2]);
len[0] = DotProduct(m0[0], m0[0]);
len[1] = DotProduct(m0[1], m0[1]);
len[2] = DotProduct(m0[2], m0[2]);
if ((len[2] > len[1]) && (len[2] > len[0]))
{
if (len[1] > len[0])
{
long_axis = 1;
short_axis = 0;
}
else
{
long_axis = 0;
short_axis = 1;
}
}
else if ((len[1] > len[2]) && (len[1] > len[0]))
{
if (len[2] > len[0])
{
long_axis = 2;
short_axis = 0;
}
else
{
long_axis = 0;
short_axis = 2;
}
}
else //if ( (len[0] > len[1]) && (len[0] > len[2]) )
{
if (len[2] > len[1])
{
long_axis = 2;
short_axis = 1;
}
else
{
long_axis = 1;
short_axis = 2;
}
}
if (DotProduct(m0[long_axis], m0[short_axis]))
{
VectorNormalize2(m0[long_axis], axis);
VectorCopy(axis, m0[1]);
if (axis[0] || axis[1])
{
VectorVectors(m0[1], m0[2], m0[0]);
}
else
{
VectorVectors(m0[1], m0[0], m0[2]);
}
}
else
{
VectorNormalize2(m0[long_axis], axis);
VectorNormalize2(m0[short_axis], m0[0]);
VectorCopy(axis, m0[1]);
CrossProduct(m0[0], m0[1], m0[2]);
}
for (j = 0; j < 3; j++)
rot_centre[j] = (quad[0][j] + quad[1][j] + quad[2][j] + quad[3][j]) * 0.25;
if (shaderstate.curentity)
{
VectorAdd(shaderstate.curentity->origin, rot_centre, tv);
}
else
{
VectorCopy(rot_centre, tv);
}
VectorSubtract(r_origin, tv, tv);
// filter any longest-axis-parts off the camera-direction
deflect = -DotProduct(tv, axis);
VectorMA(tv, deflect, axis, m1[2]);
VectorNormalizeFast(m1[2]);
VectorCopy(axis, m1[1]);
CrossProduct(m1[1], m1[2], m1[0]);
Matrix3_Transpose(m1, m2);
Matrix3_Multiply(m2, m0, result);
for (j = 0; j < 4; j++)
{
VectorSubtract(quad[j], rot_centre, tv);
Matrix3_Multiply_Vec3(result, tv, quad[j]);
VectorAdd(rot_centre, quad[j], quad[j]);
}
}
break;
// case DEFORMV_PROJECTION_SHADOW:
// break;
}
}
/*does not do the draw call, does not consider indicies (except for billboard generation) */
static qboolean BE_DrawMeshChain_SetupPass(shaderpass_t *pass, unsigned int vertcount)
{
int vdec;
void *map;
int i;
unsigned int passno = 0, tmu;
int lastpass = pass->numMergedPasses;
for (i = 0; i < lastpass; i++)
{
if (pass[i].texgen == T_GEN_UPPEROVERLAY && !TEXVALID(shaderstate.curtexnums->upperoverlay))
continue;
if (pass[i].texgen == T_GEN_LOWEROVERLAY && !TEXVALID(shaderstate.curtexnums->loweroverlay))
continue;
if (pass[i].texgen == T_GEN_FULLBRIGHT && !TEXVALID(shaderstate.curtexnums->fullbright))
continue;
break;
}
if (i == lastpass)
return false;
/*all meshes in a chain must have the same features*/
vdec = 0;
/*we only use one colour, generated from the first pass*/
vdec |= BE_GenerateColourMods(vertcount, pass);
tmu = 0;
/*activate tmus*/
for (passno = 0; passno < lastpass; passno++)
{
if (pass[passno].texgen == T_GEN_UPPEROVERLAY && !TEXVALID(shaderstate.curtexnums->upperoverlay))
continue;
if (pass[passno].texgen == T_GEN_LOWEROVERLAY && !TEXVALID(shaderstate.curtexnums->loweroverlay))
continue;
if (pass[passno].texgen == T_GEN_FULLBRIGHT && !TEXVALID(shaderstate.curtexnums->fullbright))
continue;
SelectPassTexture(tmu, pass+passno);
vdec |= D3D_VDEC_ST0<<tmu;
allocvertexbuffer(shaderstate.dynst_buff[tmu], shaderstate.dynst_size, &shaderstate.dynst_offs[tmu], &map, vertcount*sizeof(vec2_t));
GenerateTCMods(pass+passno, map);
d3dcheck(IDirect3DVertexBuffer9_Unlock(shaderstate.dynst_buff[tmu]));
d3dcheck(IDirect3DDevice9_SetStreamSource(pD3DDev9, 5+tmu, shaderstate.dynst_buff[tmu], shaderstate.dynst_offs[tmu] - vertcount*sizeof(vec2_t), sizeof(vec2_t)));
tmu++;
}
/*deactivate any extras*/
for (; tmu < shaderstate.lastpasscount; )
{
d3dcheck(IDirect3DDevice9_SetStreamSource(pD3DDev9, 5+tmu, NULL, 0, 0));
BindTexture(tmu, NULL);
d3dcheck(IDirect3DDevice9_SetTextureStageState(pD3DDev9, tmu, D3DTSS_COLOROP, D3DTOP_DISABLE));
tmu++;
}
shaderstate.lastpasscount = tmu;
// if (meshchain->normals_array &&
// meshchain->2 &&
// meshchain->tnormals_array)
// vdec |= D3D_VDEC_NORMS;
if (vdec != shaderstate.curvertdecl)
{
shaderstate.curvertdecl = vdec;
d3dcheck(IDirect3DDevice9_SetVertexDeclaration(pD3DDev9, vertexdecls[shaderstate.curvertdecl]));
}
D3DBE_ApplyShaderBits(pass->shaderbits);
return true;
}
static void BE_Cull(unsigned int cullflags)
{
cullflags |= r_refdef.flipcull;
if (shaderstate.curcull != cullflags)
{
shaderstate.curcull = cullflags;
if (shaderstate.curcull & 1)
{
if (shaderstate.curcull & SHADER_CULL_FRONT)
IDirect3DDevice9_SetRenderState(pD3DDev9, D3DRS_CULLMODE, D3DCULL_CW);
else if (shaderstate.curcull & SHADER_CULL_BACK)
IDirect3DDevice9_SetRenderState(pD3DDev9, D3DRS_CULLMODE, D3DCULL_CCW);
else
IDirect3DDevice9_SetRenderState(pD3DDev9, D3DRS_CULLMODE, D3DCULL_NONE);
}
else
{
if (shaderstate.curcull & SHADER_CULL_FRONT)
IDirect3DDevice9_SetRenderState(pD3DDev9, D3DRS_CULLMODE, D3DCULL_CCW);
else if (shaderstate.curcull & SHADER_CULL_BACK)
IDirect3DDevice9_SetRenderState(pD3DDev9, D3DRS_CULLMODE, D3DCULL_CW);
else
IDirect3DDevice9_SetRenderState(pD3DDev9, D3DRS_CULLMODE, D3DCULL_NONE);
}
}
}
static void BE_DrawMeshChain_Internal(void)
{
unsigned int vertcount, idxcount, idxfirst;
mesh_t *m;
void *map;
int i;
unsigned int mno;
unsigned int passno = 0;
shaderpass_t *pass = shaderstate.curshader->passes;
BE_Cull(shaderstate.curshader->flags & (SHADER_CULL_FRONT | SHADER_CULL_BACK));
for (mno = 0, vertcount = 0, idxcount = 0; mno < shaderstate.nummeshes; mno++)
{
m = shaderstate.meshlist[mno];
vertcount += m->numvertexes;
idxcount += m->numindexes;
}
/*vertex buffers are common to all passes*/
allocvertexbuffer(shaderstate.dynxyz_buff, shaderstate.dynxyz_size, &shaderstate.dynxyz_offs, &map, vertcount*sizeof(vecV_t));
for (mno = 0, vertcount = 0; mno < shaderstate.nummeshes; mno++)
{
vecV_t *dest = (vecV_t*)((char*)map+vertcount*sizeof(vecV_t));
m = shaderstate.meshlist[mno];
deformgen(&shaderstate.curshader->deforms[0], m->numvertexes, m->xyz_array, dest, m);
for (i = 1; i < shaderstate.curshader->numdeforms; i++)
{
deformgen(&shaderstate.curshader->deforms[i], m->numvertexes, dest, dest, m);
}
vertcount += m->numvertexes;
}
d3dcheck(IDirect3DVertexBuffer9_Unlock(shaderstate.dynxyz_buff));
d3dcheck(IDirect3DDevice9_SetStreamSource(pD3DDev9, 0, shaderstate.dynxyz_buff, shaderstate.dynxyz_offs - vertcount*sizeof(vecV_t), sizeof(vecV_t)));
/*so are index buffers*/
idxfirst = allocindexbuffer(&map, idxcount);
for (mno = 0, vertcount = 0; mno < shaderstate.nummeshes; mno++)
{
m = shaderstate.meshlist[mno];
for (i = 0; i < m->numindexes; i++)
((index_t*)map)[i] = m->indexes[i]+vertcount;
map = (char*)map + m->numindexes*sizeof(index_t);
vertcount += m->numvertexes;
}
d3dcheck(IDirect3DIndexBuffer9_Unlock(shaderstate.dynidx_buff));
d3dcheck(IDirect3DDevice9_SetIndices(pD3DDev9, shaderstate.dynidx_buff));
if (shaderstate.mode == BEM_DEPTHONLY)
{
IDirect3DDevice9_SetRenderState(pD3DDev9, D3DRS_COLORWRITEENABLE, 0);
/*deactivate any extras*/
for (passno = 0; passno < shaderstate.lastpasscount; )
{
d3dcheck(IDirect3DDevice9_SetStreamSource(pD3DDev9, 5+passno, NULL, 0, 0));
BindTexture(passno, NULL);
d3dcheck(IDirect3DDevice9_SetTextureStageState(pD3DDev9, passno, D3DTSS_COLOROP, D3DTOP_DISABLE));
passno++;
}
shaderstate.lastpasscount = 0;
d3dcheck(IDirect3DDevice9_DrawIndexedPrimitive(pD3DDev9, D3DPT_TRIANGLELIST, 0, 0, vertcount, idxfirst, idxcount/3));
IDirect3DDevice9_SetRenderState(pD3DDev9, D3DRS_COLORWRITEENABLE, D3DCOLORWRITEENABLE_RED|D3DCOLORWRITEENABLE_GREEN|D3DCOLORWRITEENABLE_BLUE|D3DCOLORWRITEENABLE_ALPHA);
}
else
{
/*now go through and flush each pass*/
for (passno = 0; passno < shaderstate.curshader->numpasses; passno += pass->numMergedPasses)
{
if (!BE_DrawMeshChain_SetupPass(pass+passno, vertcount))
continue;
#ifdef BENCH
shaderstate.bench.draws++;
if (shaderstate.bench.clamp && shaderstate.bench.clamp < shaderstate.bench.draws)
continue;
#endif
d3dcheck(IDirect3DDevice9_DrawIndexedPrimitive(pD3DDev9, D3DPT_TRIANGLELIST, 0, 0, vertcount, idxfirst, idxcount/3));
}
}
}
void BE_SelectMode(backendmode_t mode, unsigned int flags)
{
shaderstate.mode = mode;
shaderstate.flags = flags;
}
void _CrtCheckMemory(void);
/*Generates an optimised vbo for each of the given model's textures*/
void BE_GenBrushModelVBO(model_t *mod)
{
unsigned int maxvboverts;
unsigned int maxvboelements;
unsigned int t;
unsigned int i;
unsigned int v;
unsigned int vcount, ecount;
unsigned int pervertsize; //erm, that name wasn't intentional
unsigned int meshes;
vbo_t *vbo;
char *vboedata;
mesh_t *m;
char *vbovdata;
if (!mod->numsurfaces)
return;
for (t = 0; t < mod->numtextures; t++)
{
if (!mod->textures[t])
continue;
vbo = &mod->textures[t]->vbo;
BE_ClearVBO(vbo);
maxvboverts = 0;
maxvboelements = 0;
meshes = 0;
for (i=0 ; i<mod->numsurfaces ; i++)
{
if (mod->surfaces[i].texinfo->texture != mod->textures[t])
continue;
m = mod->surfaces[i].mesh;
if (!m)
continue;
meshes++;
maxvboelements += m->numindexes;
maxvboverts += m->numvertexes;
}
#if sizeof_index_t == 2
if (maxvboverts > (1<<(sizeof(index_t)*8))-1)
continue;
#endif
if (!maxvboverts)
continue;
//fixme: stop this from leaking!
vcount = 0;
ecount = 0;
pervertsize = sizeof(vecV_t)+ //coord
sizeof(vec2_t)+ //tex
sizeof(vec2_t)+ //lm
sizeof(vec3_t)+ //normal
sizeof(vec3_t)+ //sdir
sizeof(vec3_t)+ //tdir
sizeof(vec4_t); //colours
vbovdata = BZ_Malloc(maxvboverts*pervertsize);
vboedata = BZ_Malloc(maxvboelements*sizeof(index_t));
vbo->coord = (vecV_t*)(vbovdata);
vbo->texcoord = (vec2_t*)((char*)vbo->coord+maxvboverts*sizeof(*vbo->coord));
vbo->lmcoord = (vec2_t*)((char*)vbo->texcoord+maxvboverts*sizeof(*vbo->texcoord));
vbo->normals = (vec3_t*)((char*)vbo->lmcoord+maxvboverts*sizeof(*vbo->lmcoord));
vbo->svector = (vec3_t*)((char*)vbo->normals+maxvboverts*sizeof(*vbo->normals));
vbo->tvector = (vec3_t*)((char*)vbo->svector+maxvboverts*sizeof(*vbo->svector));
vbo->colours4f = (vec4_t*)((char*)vbo->tvector+maxvboverts*sizeof(*vbo->tvector));
vbo->indicies = (index_t*)vboedata;
vbo->meshcount = meshes;
vbo->meshlist = BZ_Malloc(meshes*sizeof(*vbo->meshlist));
meshes = 0;
for (i=0 ; i<mod->numsurfaces ; i++)
{
if (mod->surfaces[i].texinfo->texture != mod->textures[t])
continue;
m = mod->surfaces[i].mesh;
if (!m)
continue;
mod->surfaces[i].mark = &vbo->meshlist[meshes++];
*mod->surfaces[i].mark = NULL;
m->vbofirstvert = vcount;
m->vbofirstelement = ecount;
for (v = 0; v < m->numindexes; v++)
vbo->indicies[ecount++] = vcount + m->indexes[v];
for (v = 0; v < m->numvertexes; v++)
{
vbo->coord[vcount+v][0] = m->xyz_array[v][0];
vbo->coord[vcount+v][1] = m->xyz_array[v][1];
vbo->coord[vcount+v][2] = m->xyz_array[v][2];
if (m->st_array)
{
vbo->texcoord[vcount+v][0] = m->st_array[v][0];
vbo->texcoord[vcount+v][1] = m->st_array[v][1];
}
if (m->lmst_array)
{
vbo->lmcoord[vcount+v][0] = m->lmst_array[v][0];
vbo->lmcoord[vcount+v][1] = m->lmst_array[v][1];
}
if (m->normals_array)
{
vbo->normals[vcount+v][0] = m->normals_array[v][0];
vbo->normals[vcount+v][1] = m->normals_array[v][1];
vbo->normals[vcount+v][2] = m->normals_array[v][2];
}
if (m->snormals_array)
{
vbo->svector[vcount+v][0] = m->snormals_array[v][0];
vbo->svector[vcount+v][1] = m->snormals_array[v][1];
vbo->svector[vcount+v][2] = m->snormals_array[v][2];
}
if (m->tnormals_array)
{
vbo->tvector[vcount+v][0] = m->tnormals_array[v][0];
vbo->tvector[vcount+v][1] = m->tnormals_array[v][1];
vbo->tvector[vcount+v][2] = m->tnormals_array[v][2];
}
if (m->colors4f_array)
{
vbo->colours4f[vcount+v][0] = m->colors4f_array[v][0];
vbo->colours4f[vcount+v][1] = m->colors4f_array[v][1];
vbo->colours4f[vcount+v][2] = m->colors4f_array[v][2];
vbo->colours4f[vcount+v][3] = m->colors4f_array[v][3];
}
}
vcount += v;
}
// if (GL_BuildVBO(vbo, vbovdata, vcount*pervertsize, vboedata, ecount*sizeof(index_t)))
{
BZ_Free(vbovdata);
BZ_Free(vboedata);
}
}
//for (i=0 ; i<mod->numsurfaces ; i++)
//{
// if (!mod->surfaces[i].mark)
// Host_EndGame("Surfaces with bad textures detected\n");
//}
}
/*Wipes a vbo*/
void BE_ClearVBO(vbo_t *vbo)
{
}
/*upload all lightmaps at the start to reduce lags*/
void BE_UploadLightmaps(qboolean force)
{
int i;
for (i = 0; i < numlightmaps; i++)
{
if (!lightmap[i])
continue;
if (force)
{
lightmap[i]->rectchange.l = 0;
lightmap[i]->rectchange.t = 0;
lightmap[i]->rectchange.w = LMBLOCK_WIDTH;
lightmap[i]->rectchange.h = LMBLOCK_HEIGHT;
}
if (lightmap[i]->modified)
{
IDirect3DTexture9 *tex = lightmap_textures[i].ptr;
D3DLOCKED_RECT lock;
RECT rect;
glRect_t *theRect = &lightmap[i]->rectchange;
int r;
if (tex)
{
lightmap[i]->modified = 0;
rect.left = theRect->l;
rect.right = theRect->l + theRect->w;
rect.top = theRect->t;
rect.bottom = theRect->t + theRect->h;
IDirect3DTexture9_LockRect(tex, 0, &lock, &rect, 0);
for (r = 0; r < lightmap[i]->rectchange.h; r++)
{
memcpy((char*)lock.pBits + r*lock.Pitch, lightmap[i]->lightmaps+(theRect->l+((r+theRect->t)*LMBLOCK_WIDTH))*lightmap_bytes, lightmap[i]->rectchange.w*lightmap_bytes);
}
IDirect3DTexture9_UnlockRect(tex, 0);
theRect->l = LMBLOCK_WIDTH;
theRect->t = LMBLOCK_HEIGHT;
theRect->h = 0;
theRect->w = 0;
}
else
lightmap_textures[i] = R_AllocNewTexture(LMBLOCK_WIDTH, LMBLOCK_HEIGHT);
}
}
}
void BE_UploadAllLightmaps(void)
{
BE_UploadLightmaps(true);
}
qboolean BE_LightCullModel(vec3_t org, model_t *model)
{
#ifdef RTLIGHTS
if ((shaderstate.mode == BEM_LIGHT || shaderstate.mode == BEM_STENCIL))
{
/*true if hidden from current light*/
/*we have no rtlight support, so mneh*/
}
#endif
return false;
}
batch_t *BE_GetTempBatch(void)
{
if (shaderstate.wbatch >= shaderstate.maxwbatches)
{
shaderstate.wbatch++;
return NULL;
}
return &shaderstate.wbatches[shaderstate.wbatch++];
}
static void BE_RotateForEntity (const entity_t *e, const model_t *mod)
{
float mv[16];
float m[16];
shaderstate.curentity = e;
m[0] = e->axis[0][0];
m[1] = e->axis[0][1];
m[2] = e->axis[0][2];
m[3] = 0;
m[4] = e->axis[1][0];
m[5] = e->axis[1][1];
m[6] = e->axis[1][2];
m[7] = 0;
m[8] = e->axis[2][0];
m[9] = e->axis[2][1];
m[10] = e->axis[2][2];
m[11] = 0;
m[12] = e->origin[0];
m[13] = e->origin[1];
m[14] = e->origin[2];
m[15] = 1;
if (e->scale != 1 && e->scale != 0) //hexen 2 stuff
{
float z;
float escale;
escale = e->scale;
switch(e->drawflags&SCALE_TYPE_MASKIN)
{
default:
case SCALE_TYPE_UNIFORM:
VectorScale((m+0), escale, (m+0));
VectorScale((m+4), escale, (m+4));
VectorScale((m+8), escale, (m+8));
break;
case SCALE_TYPE_XYONLY:
VectorScale((m+0), escale, (m+0));
VectorScale((m+4), escale, (m+4));
break;
case SCALE_TYPE_ZONLY:
VectorScale((m+8), escale, (m+8));
break;
}
if (mod && (e->drawflags&SCALE_TYPE_MASKIN) != SCALE_TYPE_XYONLY)
{
switch(e->drawflags&SCALE_ORIGIN_MASKIN)
{
case SCALE_ORIGIN_CENTER:
z = ((mod->maxs[2] + mod->mins[2]) * (1-escale))/2;
VectorMA((m+12), z, e->axis[2], (m+12));
break;
case SCALE_ORIGIN_BOTTOM:
VectorMA((m+12), mod->mins[2]*(1-escale), e->axis[2], (m+12));
break;
case SCALE_ORIGIN_TOP:
VectorMA((m+12), -mod->maxs[2], e->axis[2], (m+12));
break;
}
}
}
else if (mod && !strcmp(mod->name, "progs/eyes.mdl"))
{
/*resize eyes, to make them easier to see*/
m[14] -= (22 + 8);
VectorScale((m+0), 2, (m+0));
VectorScale((m+4), 2, (m+4));
VectorScale((m+8), 2, (m+8));
}
if (mod && !ruleset_allow_larger_models.ival && mod->clampscale != 1)
{ //possibly this should be on a per-frame basis, but that's a real pain to do
Con_DPrintf("Rescaling %s by %f\n", mod->name, mod->clampscale);
VectorScale((m+0), mod->clampscale, (m+0));
VectorScale((m+4), mod->clampscale, (m+4));
VectorScale((m+8), mod->clampscale, (m+8));
}
if (e->flags & Q2RF_WEAPONMODEL && r_refdef.currentplayernum>=0)
{
float *Matrix4_NewRotation(float a, float x, float y, float z);
/*FIXME: no bob*/
float iv[16];
Matrix4_Invert(r_refdef.m_view, iv);
Matrix4_NewRotation(90, 1, 0, 0);
Matrix4_Multiply(iv, m, mv);
Matrix4_Multiply(mv, Matrix4_NewRotation(-90, 1, 0, 0), iv);
Matrix4_Multiply(iv, Matrix4_NewRotation(90, 0, 0, 1), mv);
m[2] *= 0.1;
m[6] *= 0.1;
m[10] *= 0.1;
IDirect3DDevice9_SetTransform(pD3DDev9, D3DTS_WORLD, (D3DMATRIX*)mv);
}
else
{
IDirect3DDevice9_SetTransform(pD3DDev9, D3DTS_WORLD, (D3DMATRIX*)m);
}
}
void BE_SubmitBatch(batch_t *batch)
{
shaderstate.nummeshes = batch->meshes - batch->firstmesh;
if (!shaderstate.nummeshes)
return;
//FIXME: Why does this seem to work in GL?
if (batch->shader->flags & SHADER_FLARE)
return;
if (shaderstate.curentity != batch->ent)
{
BE_RotateForEntity(batch->ent, batch->ent->model);
shaderstate.curtime = r_refdef.time - shaderstate.curentity->shaderTime;
}
shaderstate.meshlist = batch->mesh + batch->firstmesh;
shaderstate.curshader = batch->shader;
shaderstate.curtexnums = batch->skin;
if (batch->lightmap < 0)
shaderstate.curlightmap = r_nulltex;
else
shaderstate.curlightmap = lightmap_textures[batch->lightmap];
BE_DrawMeshChain_Internal();
}
void BE_DrawMesh_List(shader_t *shader, int nummeshes, mesh_t **meshlist, vbo_t *vbo, texnums_t *texnums)
{
shaderstate.curshader = shader;
shaderstate.curtexnums = texnums;
shaderstate.curlightmap = r_nulltex;
shaderstate.meshlist = meshlist;
shaderstate.nummeshes = nummeshes;
BE_DrawMeshChain_Internal();
}
void BE_DrawMesh_Single(shader_t *shader, mesh_t *meshchain, vbo_t *vbo, texnums_t *texnums)
{
shaderstate.curtime = realtime;
shaderstate.curshader = shader;
shaderstate.curtexnums = texnums?texnums:&shader->defaulttextures;
shaderstate.curlightmap = r_nulltex;
shaderstate.meshlist = &meshchain;
shaderstate.nummeshes = 1;
BE_DrawMeshChain_Internal();
}
qboolean BE_ShouldDraw(entity_t *e)
{
if (!r_refdef.externalview && (e->externalmodelview & (1<<r_refdef.currentplayernum)))
return false;
if (!Cam_DrawPlayer(r_refdef.currentplayernum, e->keynum-1))
return false;
return true;
}
#ifdef Q3CLIENT
//q3 lightning gun
static void R_DrawLightning(entity_t *e)
{
vec3_t v;
vec3_t dir, cr;
float scale = e->scale;
float length;
vecV_t points[4];
vec2_t texcoords[4] = {{0, 0}, {0, 1}, {1, 1}, {1, 0}};
static index_t indexarray[6] = {0, 1, 2, 0, 2, 3};
mesh_t mesh;
if (!e->forcedshader)
return;
if (!scale)
scale = 10;
VectorSubtract(e->origin, e->oldorigin, dir);
length = Length(dir);
//this seems to be about right.
texcoords[2][0] = length/128;
texcoords[3][0] = length/128;
VectorSubtract(r_refdef.vieworg, e->origin, v);
CrossProduct(v, dir, cr);
VectorNormalize(cr);
VectorMA(e->origin, -scale/2, cr, points[0]);
VectorMA(e->origin, scale/2, cr, points[1]);
VectorSubtract(r_refdef.vieworg, e->oldorigin, v);
CrossProduct(v, dir, cr);
VectorNormalize(cr);
VectorMA(e->oldorigin, scale/2, cr, points[2]);
VectorMA(e->oldorigin, -scale/2, cr, points[3]);
memset(&mesh, 0, sizeof(mesh));
mesh.vbofirstelement = 0;
mesh.vbofirstvert = 0;
mesh.xyz_array = points;
mesh.indexes = indexarray;
mesh.numindexes = sizeof(indexarray)/sizeof(indexarray[0]);
mesh.colors4f_array = NULL;
mesh.lmst_array = NULL;
mesh.normals_array = NULL;
mesh.numvertexes = 4;
mesh.st_array = texcoords;
BE_DrawMesh_Single(e->forcedshader, &mesh, NULL, NULL);
}
//q3 railgun beam
static void R_DrawRailCore(entity_t *e)
{
vec3_t v;
vec3_t dir, cr;
float scale = e->scale;
float length;
mesh_t mesh;
vecV_t points[4];
vec2_t texcoords[4] = {{0, 0}, {0, 1}, {1, 1}, {1, 0}};
static index_t indexarray[6] = {0, 1, 2, 0, 2, 3};
vec4_t colors[4];
if (!e->forcedshader)
return;
if (!scale)
scale = 10;
VectorSubtract(e->origin, e->oldorigin, dir);
length = Length(dir);
//this seems to be about right.
texcoords[2][0] = length/128;
texcoords[3][0] = length/128;
VectorSubtract(r_refdef.vieworg, e->origin, v);
CrossProduct(v, dir, cr);
VectorNormalize(cr);
VectorMA(e->origin, -scale/2, cr, points[0]);
VectorMA(e->origin, scale/2, cr, points[1]);
VectorSubtract(r_refdef.vieworg, e->oldorigin, v);
CrossProduct(v, dir, cr);
VectorNormalize(cr);
VectorMA(e->oldorigin, scale/2, cr, points[2]);
VectorMA(e->oldorigin, -scale/2, cr, points[3]);
Vector4Copy(e->shaderRGBAf, colors[0]);
Vector4Copy(e->shaderRGBAf, colors[1]);
Vector4Copy(e->shaderRGBAf, colors[2]);
Vector4Copy(e->shaderRGBAf, colors[3]);
memset(&mesh, 0, sizeof(mesh));
mesh.vbofirstelement = 0;
mesh.vbofirstvert = 0;
mesh.xyz_array = points;
mesh.indexes = indexarray;
mesh.numindexes = sizeof(indexarray)/sizeof(indexarray[0]);
mesh.colors4f_array = (vec4_t*)colors;
mesh.lmst_array = NULL;
mesh.normals_array = NULL;
mesh.numvertexes = 4;
mesh.st_array = texcoords;
BE_DrawMesh_Single(e->forcedshader, &mesh, NULL, NULL);
}
#endif
static void BE_GenModelBatches(batch_t **batches)
{
int i;
entity_t *ent;
/*clear the batch list*/
for (i = 0; i < SHADER_SORT_COUNT; i++)
batches[i] = NULL;
if (!r_drawentities.ival)
return;
// draw sprites seperately, because of alpha blending
for (i=0 ; i<cl_numvisedicts ; i++)
{
ent = &cl_visedicts[i];
if (!BE_ShouldDraw(ent))
continue;
switch(ent->rtype)
{
case RT_MODEL:
default:
if (!ent->model)
continue;
if (ent->model->needload)
continue;
switch(ent->model->type)
{
case mod_brush:
if (r_drawentities.ival == 2)
continue;
Surf_GenBrushBatches(batches, ent);
break;
case mod_alias:
if (r_drawentities.ival == 3)
continue;
R_GAlias_GenerateBatches(ent, batches);
break;
case mod_sprite:
break;
}
break;
case RT_SPRITE:
//RQ_AddDistReorder(GLR_DrawSprite, currententity, NULL, currententity->origin);
break;
#ifdef Q3CLIENT
case RT_BEAM:
case RT_RAIL_RINGS:
case RT_LIGHTNING:
R_DrawLightning(ent);
continue;
case RT_RAIL_CORE:
R_DrawRailCore(ent);
continue;
#endif
case RT_POLY:
/*not implemented*/
break;
case RT_PORTALSURFACE:
/*nothing*/
break;
}
}
}
static void BE_SubmitMeshesSortList(batch_t *sortlist)
{
batch_t *batch;
for (batch = sortlist; batch; batch = batch->next)
{
if (batch->meshes == batch->firstmesh)
continue;
if (batch->buildmeshes)
batch->buildmeshes(batch);
else
{
batch->shader = R_TextureAnimation(batch->ent->framestate.g[FS_REG].frame[0], batch->texture)->shader;
batch->skin = &batch->shader->defaulttextures;
}
if (batch->shader->flags & SHADER_NODLIGHT)
if (shaderstate.mode == BEM_LIGHT || shaderstate.mode == BEM_SMAPLIGHT)
continue;
if (batch->shader->flags & SHADER_SKY)
{
if (shaderstate.mode == BEM_STANDARD)
R_DrawSkyChain (batch);
continue;
}
BE_SubmitBatch(batch);
}
}
/*generates a new modelview matrix, as well as vpn vectors*/
static void R_MirrorMatrix(plane_t *plane)
{
float mirror[16];
float view[16];
float result[16];
vec3_t pnorm;
VectorNegate(plane->normal, pnorm);
mirror[0] = 1-2*pnorm[0]*pnorm[0];
mirror[1] = -2*pnorm[0]*pnorm[1];
mirror[2] = -2*pnorm[0]*pnorm[2];
mirror[3] = 0;
mirror[4] = -2*pnorm[1]*pnorm[0];
mirror[5] = 1-2*pnorm[1]*pnorm[1];
mirror[6] = -2*pnorm[1]*pnorm[2] ;
mirror[7] = 0;
mirror[8] = -2*pnorm[2]*pnorm[0];
mirror[9] = -2*pnorm[2]*pnorm[1];
mirror[10] = 1-2*pnorm[2]*pnorm[2];
mirror[11] = 0;
mirror[12] = -2*pnorm[0]*plane->dist;
mirror[13] = -2*pnorm[1]*plane->dist;
mirror[14] = -2*pnorm[2]*plane->dist;
mirror[15] = 1;
view[0] = vpn[0];
view[1] = vpn[1];
view[2] = vpn[2];
view[3] = 0;
view[4] = -vright[0];
view[5] = -vright[1];
view[6] = -vright[2];
view[7] = 0;
view[8] = vup[0];
view[9] = vup[1];
view[10] = vup[2];
view[11] = 0;
view[12] = r_refdef.vieworg[0];
view[13] = r_refdef.vieworg[1];
view[14] = r_refdef.vieworg[2];
view[15] = 1;
VectorMA(r_refdef.vieworg, 0.25, plane->normal, r_refdef.pvsorigin);
Matrix4_Multiply(mirror, view, result);
vpn[0] = result[0];
vpn[1] = result[1];
vpn[2] = result[2];
vright[0] = -result[4];
vright[1] = -result[5];
vright[2] = -result[6];
vup[0] = result[8];
vup[1] = result[9];
vup[2] = result[10];
r_refdef.vieworg[0] = result[12];
r_refdef.vieworg[1] = result[13];
r_refdef.vieworg[2] = result[14];
}
static entity_t *R_NearestPortal(plane_t *plane)
{
int i;
entity_t *best = NULL;
float dist, bestd = 0;
for (i = 0; i < cl_numvisedicts; i++)
{
if (cl_visedicts[i].rtype == RT_PORTALSURFACE)
{
dist = DotProduct(cl_visedicts[i].origin, plane->normal)-plane->dist;
dist = fabs(dist);
if (dist < 64 && (!best || dist < bestd))
best = &cl_visedicts[i];
}
}
return best;
}
static void TransformCoord(vec3_t in, vec3_t planea[3], vec3_t planeo, vec3_t viewa[3], vec3_t viewo, vec3_t result)
{
int i;
vec3_t local;
vec3_t transformed;
float d;
local[0] = in[0] - planeo[0];
local[1] = in[1] - planeo[1];
local[2] = in[2] - planeo[2];
VectorClear(transformed);
for ( i = 0 ; i < 3 ; i++ )
{
d = DotProduct(local, planea[i]);
VectorMA(transformed, d, viewa[i], transformed);
}
result[0] = transformed[0] + viewo[0];
result[1] = transformed[1] + viewo[1];
result[2] = transformed[2] + viewo[2];
}
static void TransformDir(vec3_t in, vec3_t planea[3], vec3_t viewa[3], vec3_t result)
{
int i;
float d;
vec3_t tmp;
VectorCopy(in, tmp);
VectorClear(result);
for ( i = 0 ; i < 3 ; i++ )
{
d = DotProduct(tmp, planea[i]);
VectorMA(result, d, viewa[i], result);
}
}
static R_RenderScene(void)
{
IDirect3DDevice9_SetTransform(pD3DDev9, D3DTS_PROJECTION, (D3DMATRIX*)r_refdef.m_projection);
IDirect3DDevice9_SetTransform(pD3DDev9, D3DTS_VIEW, (D3DMATRIX*)r_refdef.m_view);
R_SetFrustum (r_refdef.m_projection, r_refdef.m_view);
Surf_DrawWorld();
}
static void R_DrawPortal(batch_t *batch, batch_t **blist)
{
entity_t *view;
float glplane[4];
plane_t plane;
refdef_t oldrefdef;
mesh_t *mesh = batch->mesh[batch->firstmesh];
int sort;
if (r_refdef.recurse)
return;
VectorCopy(mesh->normals_array[0], plane.normal);
plane.dist = DotProduct(mesh->xyz_array[0], plane.normal);
//if we're too far away from the surface, don't draw anything
if (batch->shader->flags & SHADER_AGEN_PORTAL)
{
/*there's a portal alpha blend on that surface, that fades out after this distance*/
if (DotProduct(r_refdef.vieworg, plane.normal)-plane.dist > batch->shader->portaldist)
return;
}
//if we're behind it, then also don't draw anything.
if (DotProduct(r_refdef.vieworg, plane.normal)-plane.dist < 0)
return;
view = R_NearestPortal(&plane);
//if (!view)
// return;
oldrefdef = r_refdef;
r_refdef.recurse = true;
r_refdef.externalview = true;
if (!view || VectorCompare(view->origin, view->oldorigin))
{
r_refdef.flipcull ^= true;
R_MirrorMatrix(&plane);
}
else
{
float d;
vec3_t paxis[3], porigin, vaxis[3], vorg;
void PerpendicularVector( vec3_t dst, const vec3_t src );
/*calculate where the surface is meant to be*/
VectorCopy(mesh->normals_array[0], paxis[0]);
PerpendicularVector(paxis[1], paxis[0]);
CrossProduct(paxis[0], paxis[1], paxis[2]);
d = DotProduct(view->origin, plane.normal) - plane.dist;
VectorMA(view->origin, -d, paxis[0], porigin);
/*grab the camera origin*/
VectorNegate(view->axis[0], vaxis[0]);
VectorNegate(view->axis[1], vaxis[1]);
VectorCopy(view->axis[2], vaxis[2]);
VectorCopy(view->oldorigin, vorg);
VectorCopy(vorg, r_refdef.pvsorigin);
/*rotate it a bit*/
RotatePointAroundVector(vaxis[1], vaxis[0], view->axis[1], sin(realtime)*4);
CrossProduct(vaxis[0], vaxis[1], vaxis[2]);
TransformCoord(oldrefdef.vieworg, paxis, porigin, vaxis, vorg, r_refdef.vieworg);
TransformDir(vpn, paxis, vaxis, vpn);
TransformDir(vright, paxis, vaxis, vright);
TransformDir(vup, paxis, vaxis, vup);
}
Matrix4_ModelViewMatrixFromAxis(r_refdef.m_view, vpn, vright, vup, r_refdef.vieworg);
VectorAngles(vpn, vup, r_refdef.viewangles);
VectorCopy(r_refdef.vieworg, r_origin);
/*FIXME: the batch stuff should be done in renderscene*/
/*fixup the first mesh index*/
for (sort = 0; sort < SHADER_SORT_COUNT; sort++)
for (batch = blist[sort]; batch; batch = batch->next)
{
batch->firstmesh = batch->meshes;
}
/*FIXME: can we get away with stenciling the screen?*/
/*Add to frustum culling instead of clip planes?*/
glplane[0] = plane.normal[0];
glplane[1] = plane.normal[1];
glplane[2] = plane.normal[2];
glplane[3] = -plane.dist;
IDirect3DDevice9_SetClipPlane(pD3DDev9, 0, glplane);
IDirect3DDevice9_SetRenderState(pD3DDev9, D3DRS_CLIPPLANEENABLE, D3DCLIPPLANE0);
R_RenderScene();
IDirect3DDevice9_SetRenderState(pD3DDev9, D3DRS_CLIPPLANEENABLE, 0);
for (sort = 0; sort < SHADER_SORT_COUNT; sort++)
for (batch = blist[sort]; batch; batch = batch->next)
{
batch->firstmesh = 0;
}
r_refdef = oldrefdef;
/*broken stuff*/
AngleVectors (r_refdef.viewangles, vpn, vright, vup);
VectorCopy (r_refdef.vieworg, r_origin);
IDirect3DDevice9_SetTransform(pD3DDev9, D3DTS_PROJECTION, (D3DMATRIX*)r_refdef.m_projection);
IDirect3DDevice9_SetTransform(pD3DDev9, D3DTS_VIEW, (D3DMATRIX*)r_refdef.m_view);
R_SetFrustum (r_refdef.m_projection, r_refdef.m_view);
}
static void BE_SubmitMeshesPortals(batch_t **worldlist, batch_t *dynamiclist)
{
batch_t *batch, *old;
int i;
/*attempt to draw portal shaders*/
if (shaderstate.mode == BEM_STANDARD)
{
for (i = 0; i < 2; i++)
{
for (batch = i?dynamiclist:worldlist[SHADER_SORT_PORTAL]; batch; batch = batch->next)
{
if (batch->meshes == batch->firstmesh)
continue;
if (batch->buildmeshes)
batch->buildmeshes(batch);
else
batch->shader = R_TextureAnimation(batch->ent->framestate.g[FS_REG].frame[0], batch->texture)->shader;
/*draw already-drawn portals as depth-only, to ensure that their contents are not harmed*/
BE_SelectMode(BEM_DEPTHONLY, 0);
for (old = worldlist[SHADER_SORT_PORTAL]; old && old != batch; old = old->next)
{
if (old->meshes == old->firstmesh)
continue;
BE_SubmitBatch(old);
}
if (!old)
{
for (old = dynamiclist; old != batch; old = old->next)
{
if (old->meshes == old->firstmesh)
continue;
BE_SubmitBatch(old);
}
}
BE_SelectMode(BEM_STANDARD, 0);
R_DrawPortal(batch, worldlist);
/*clear depth again*/
IDirect3DDevice9_Clear(pD3DDev9, 0, NULL, D3DCLEAR_ZBUFFER, D3DCOLOR_XRGB(0,0,0), 1, 0);
}
}
}
}
void BE_SubmitMeshes (qboolean drawworld, batch_t **blist)
{
model_t *model = cl.worldmodel;
int i;
for (i = SHADER_SORT_PORTAL; i < SHADER_SORT_COUNT; i++)
{
if (drawworld)
{
if (i == SHADER_SORT_PORTAL /*&& !r_noportals.ival*/ && !r_refdef.recurse)
BE_SubmitMeshesPortals(model->batches, blist[i]);
BE_SubmitMeshesSortList(model->batches[i]);
}
BE_SubmitMeshesSortList(blist[i]);
}
}
void BE_DrawWorld (qbyte *vis)
{
batch_t *batches[SHADER_SORT_COUNT];
RSpeedLocals();
shaderstate.curentity = NULL;
if (!r_refdef.recurse)
{
if (shaderstate.wbatch > shaderstate.maxwbatches)
{
int newm = shaderstate.wbatch;
shaderstate.wbatches = BZ_Realloc(shaderstate.wbatches, newm * sizeof(*shaderstate.wbatches));
memset(shaderstate.wbatches + shaderstate.maxwbatches, 0, (newm - shaderstate.maxwbatches) * sizeof(*shaderstate.wbatches));
shaderstate.maxwbatches = newm;
}
shaderstate.wbatch = 0;
}
BE_GenModelBatches(batches);
if (vis)
{
BE_UploadLightmaps(false);
//make sure the world draws correctly
r_worldentity.shaderRGBAf[0] = 1;
r_worldentity.shaderRGBAf[1] = 1;
r_worldentity.shaderRGBAf[2] = 1;
r_worldentity.shaderRGBAf[3] = 1;
r_worldentity.axis[0][0] = 1;
r_worldentity.axis[1][1] = 1;
r_worldentity.axis[2][2] = 1;
BE_SelectMode(BEM_STANDARD, 0);
RSpeedRemark();
BE_SubmitMeshes(true, batches);
RSpeedEnd(RSPEED_WORLD);
}
else
{
RSpeedRemark();
BE_SubmitMeshes(false, batches);
RSpeedEnd(RSPEED_DRAWENTITIES);
}
BE_RotateForEntity(&r_worldentity, NULL);
}
#endif
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