cvar_t r_showdisabledepthtest = {0, "r_showdisabledepthtest", "0", "disables depth testing on r_show* cvars, allowing you to see what hidden geometry the graphics card is processing"};
cvar_t r_drawportals = {0, "r_drawportals", "0", "shows portals (separating polygons) in world interior in quake1 maps"};
cvar_t r_drawentities = {0, "r_drawentities","1", "draw entities (doors, players, projectiles, etc)"};
+cvar_t r_drawworld = {0, "r_drawworld","1", "draw world (most static stuff)"};
cvar_t r_drawviewmodel = {0, "r_drawviewmodel","1", "draw your weapon model"};
cvar_t r_drawexteriormodel = {0, "r_drawexteriormodel","1", "draw your player model (e.g. in chase cam, reflections)"};
cvar_t r_cullentities_trace = {0, "r_cullentities_trace", "1", "probabistically cull invisible entities"};
"#endif\n"
"//uncomment these if you want to use them:\n"
"uniform vec4 UserVec1;\n"
-"// uniform vec4 UserVec2;\n"
+"uniform vec4 UserVec2;\n"
"// uniform vec4 UserVec3;\n"
"// uniform vec4 UserVec4;\n"
"// uniform float ClientTime;\n"
"#ifdef USEPOSTPROCESSING\n"
"// do r_glsl_dumpshader, edit glsl/default.glsl, and replace this by your own postprocessing if you want\n"
"// this code does a blur with the radius specified in the first component of r_glsl_postprocess_uservec1 and blends it using the second component\n"
-" if (UserVec1.x > 100.0) {\n"
-" // vec2 ts = textureSize(Texture_First, 0);\n"
-" // vec2 px = vec2(1/ts.x, 1/ts.y);\n"
-" vec2 px = PixelSize;\n"
-" vec4 x1 = texture2D(Texture_First, TexCoord1 + vec2(-px.x, px.y));\n"
-" vec4 x2 = texture2D(Texture_First, TexCoord1 + vec2(-px.x, 0.0));\n"
-" vec4 x3 = texture2D(Texture_First, TexCoord1 + vec2(-px.x,-px.y));\n"
-" vec4 x4 = texture2D(Texture_First, TexCoord1 + vec2( px.x, px.y));\n"
-" vec4 x5 = texture2D(Texture_First, TexCoord1 + vec2( px.x, 0.0));\n"
-" vec4 x6 = texture2D(Texture_First, TexCoord1 + vec2( px.x,-px.y));\n"
-" vec4 y1 = texture2D(Texture_First, TexCoord1 + vec2( px.x,-px.y));\n"
-" vec4 y2 = texture2D(Texture_First, TexCoord1 + vec2( 0.0,-px.y));\n"
-" vec4 y3 = texture2D(Texture_First, TexCoord1 + vec2(-px.x,-px.y));\n"
-" vec4 y4 = texture2D(Texture_First, TexCoord1 + vec2( px.x, px.y));\n"
-" vec4 y5 = texture2D(Texture_First, TexCoord1 + vec2( 0.0, px.y));\n"
-" vec4 y6 = texture2D(Texture_First, TexCoord1 + vec2(-px.x, px.y));\n"
-""
-" float px1 = -1.0 * (0.30*x1.r + 0.59*x1.g + 0.11*x1.b);\n"
-" float px2 = -2.0 * (0.30*x2.r + 0.59*x2.g + 0.11*x2.b);\n"
-" float px3 = -1.0 * (0.30*x3.r + 0.59*x3.g + 0.11*x3.b);\n"
-" float px4 = 1.0 * (0.30*x4.r + 0.59*x4.g + 0.11*x4.b);\n"
-" float px5 = 2.0 * (0.30*x5.r + 0.59*x5.g + 0.11*x5.b);\n"
-" float px6 = 1.0 * (0.30*x6.r + 0.59*x6.g + 0.11*x6.b);\n"
-" float py1 = -1.0 * (0.30*y1.r + 0.59*y1.g + 0.11*y1.b);\n"
-" float py2 = -2.0 * (0.30*y2.r + 0.59*y2.g + 0.11*y2.b);\n"
-" float py3 = -1.0 * (0.30*y3.r + 0.59*y3.g + 0.11*y3.b);\n"
-" float py4 = 1.0 * (0.30*y4.r + 0.59*y4.g + 0.11*y4.b);\n"
-" float py5 = 2.0 * (0.30*y5.r + 0.59*y5.g + 0.11*y5.b);\n"
-" float py6 = 1.0 * (0.30*y6.r + 0.59*y6.g + 0.11*y6.b);\n"
-" gl_FragColor = 0.25 * vec4(vec3(abs(px1 + px2 + px3 + px4 + px5 + px6)), 1) + 0.25 * vec4(vec3(abs(py1 + py2 + py3 + py4 + py5 + py6)), 1);\n"
-" } else {\n"
+" float sobel = 1.0;\n"
+" // vec2 ts = textureSize(Texture_First, 0);\n"
+" // vec2 px = vec2(1/ts.x, 1/ts.y);\n"
+" vec2 px = PixelSize;\n"
+" vec3 x1 = texture2D(Texture_First, TexCoord1 + vec2(-px.x, px.y)).rgb;\n"
+" vec3 x2 = texture2D(Texture_First, TexCoord1 + vec2(-px.x, 0.0)).rgb;\n"
+" vec3 x3 = texture2D(Texture_First, TexCoord1 + vec2(-px.x,-px.y)).rgb;\n"
+" vec3 x4 = texture2D(Texture_First, TexCoord1 + vec2( px.x, px.y)).rgb;\n"
+" vec3 x5 = texture2D(Texture_First, TexCoord1 + vec2( px.x, 0.0)).rgb;\n"
+" vec3 x6 = texture2D(Texture_First, TexCoord1 + vec2( px.x,-px.y)).rgb;\n"
+" vec3 y1 = texture2D(Texture_First, TexCoord1 + vec2( px.x,-px.y)).rgb;\n"
+" vec3 y2 = texture2D(Texture_First, TexCoord1 + vec2( 0.0,-px.y)).rgb;\n"
+" vec3 y3 = texture2D(Texture_First, TexCoord1 + vec2(-px.x,-px.y)).rgb;\n"
+" vec3 y4 = texture2D(Texture_First, TexCoord1 + vec2( px.x, px.y)).rgb;\n"
+" vec3 y5 = texture2D(Texture_First, TexCoord1 + vec2( 0.0, px.y)).rgb;\n"
+" vec3 y6 = texture2D(Texture_First, TexCoord1 + vec2(-px.x, px.y)).rgb;\n"
+" float px1 = -1.0 * dot(vec3(0.3, 0.59, 0.11), x1);\n"
+" float px2 = -2.0 * dot(vec3(0.3, 0.59, 0.11), x2);\n"
+" float px3 = -1.0 * dot(vec3(0.3, 0.59, 0.11), x3);\n"
+" float px4 = 1.0 * dot(vec3(0.3, 0.59, 0.11), x4);\n"
+" float px5 = 2.0 * dot(vec3(0.3, 0.59, 0.11), x5);\n"
+" float px6 = 1.0 * dot(vec3(0.3, 0.59, 0.11), x6);\n"
+" float py1 = -1.0 * dot(vec3(0.3, 0.59, 0.11), y1);\n"
+" float py2 = -2.0 * dot(vec3(0.3, 0.59, 0.11), y2);\n"
+" float py3 = -1.0 * dot(vec3(0.3, 0.59, 0.11), y3);\n"
+" float py4 = 1.0 * dot(vec3(0.3, 0.59, 0.11), y4);\n"
+" float py5 = 2.0 * dot(vec3(0.3, 0.59, 0.11), y5);\n"
+" float py6 = 1.0 * dot(vec3(0.3, 0.59, 0.11), y6);\n"
+" sobel = 0.25 * abs(px1 + px2 + px3 + px4 + px5 + px6) + 0.25 * abs(py1 + py2 + py3 + py4 + py5 + py6);\n"
" gl_FragColor += texture2D(Texture_First, TexCoord1 + PixelSize*UserVec1.x*vec2(-0.987688, -0.156434)) * UserVec1.y;\n"
" gl_FragColor += texture2D(Texture_First, TexCoord1 + PixelSize*UserVec1.x*vec2(-0.156434, -0.891007)) * UserVec1.y;\n"
" gl_FragColor += texture2D(Texture_First, TexCoord1 + PixelSize*UserVec1.x*vec2( 0.891007, -0.453990)) * UserVec1.y;\n"
" gl_FragColor += texture2D(Texture_First, TexCoord1 + PixelSize*UserVec1.x*vec2( 0.707107, 0.707107)) * UserVec1.y;\n"
" gl_FragColor += texture2D(Texture_First, TexCoord1 + PixelSize*UserVec1.x*vec2(-0.453990, 0.891007)) * UserVec1.y;\n"
-" gl_FragColor /= (1 + 5 * UserVec1.y);\n"
-" }\n"
+" gl_FragColor /= (1.0 + 5.0 * UserVec1.y);\n"
+" gl_FragColor.rgb = gl_FragColor.rgb * (1.0 + UserVec2.x) + vec3(max(0.0, sobel - UserVec2.z))*UserVec2.y;\n"
"#endif\n"
"\n"
"#ifdef USESATURATION\n"
case RENDERPATH_GL20:
if (gl_mesh_separatearrays.integer)
{
- RSurf_PrepareVerticesForBatch(BATCHNEED_ARRAY_VERTEX | BATCHNEED_ARRAY_NORMAL | BATCHNEED_ARRAY_VECTOR | BATCHNEED_ARRAY_VERTEXCOLOR | BATCHNEED_ARRAY_TEXCOORD | (rsurface.uselightmaptexture ? BATCHNEED_ARRAY_LIGHTMAP : 0), texturenumsurfaces, texturesurfacelist);
+ RSurf_PrepareVerticesForBatch(BATCHNEED_ARRAY_VERTEX | BATCHNEED_ARRAY_NORMAL | BATCHNEED_ARRAY_VECTOR | (rsurface.modellightmapcolor4f ? BATCHNEED_ARRAY_VERTEXCOLOR : 0) | BATCHNEED_ARRAY_TEXCOORD | (rsurface.uselightmaptexture ? BATCHNEED_ARRAY_LIGHTMAP : 0), texturenumsurfaces, texturesurfacelist);
R_Mesh_VertexPointer( 3, GL_FLOAT, sizeof(float[3]), rsurface.batchvertex3f, rsurface.batchvertex3f_vertexbuffer, rsurface.batchvertex3f_bufferoffset);
R_Mesh_ColorPointer( 4, GL_FLOAT, sizeof(float[4]), rsurface.batchlightmapcolor4f, rsurface.batchlightmapcolor4f_vertexbuffer, rsurface.batchlightmapcolor4f_bufferoffset);
R_Mesh_TexCoordPointer(0, 2, GL_FLOAT, sizeof(float[2]), rsurface.batchtexcoordtexture2f, rsurface.batchtexcoordtexture2f_vertexbuffer, rsurface.batchtexcoordtexture2f_bufferoffset);
}
else
{
- RSurf_PrepareVerticesForBatch(BATCHNEED_VERTEXMESH_VERTEX | BATCHNEED_VERTEXMESH_NORMAL | BATCHNEED_VERTEXMESH_VECTOR | BATCHNEED_VERTEXMESH_VERTEXCOLOR | BATCHNEED_VERTEXMESH_TEXCOORD | (rsurface.uselightmaptexture ? BATCHNEED_VERTEXMESH_LIGHTMAP : 0), texturenumsurfaces, texturesurfacelist);
+ RSurf_PrepareVerticesForBatch(BATCHNEED_VERTEXMESH_VERTEX | BATCHNEED_VERTEXMESH_NORMAL | BATCHNEED_VERTEXMESH_VECTOR | (rsurface.modellightmapcolor4f ? BATCHNEED_VERTEXMESH_VERTEXCOLOR : 0) | BATCHNEED_VERTEXMESH_TEXCOORD | (rsurface.uselightmaptexture ? BATCHNEED_VERTEXMESH_LIGHTMAP : 0), texturenumsurfaces, texturesurfacelist);
R_Mesh_PrepareVertices_Mesh(rsurface.batchnumvertices, rsurface.batchvertexmesh, rsurface.batchvertexmeshbuffer);
}
R_SetupShader_SetPermutationGLSL(mode, permutation);
#ifdef SUPPORTCG
if (gl_mesh_separatearrays.integer)
{
- RSurf_PrepareVerticesForBatch(BATCHNEED_ARRAY_VERTEX | BATCHNEED_ARRAY_NORMAL | BATCHNEED_ARRAY_VECTOR | BATCHNEED_ARRAY_VERTEXCOLOR | BATCHNEED_ARRAY_TEXCOORD | (rsurface.uselightmaptexture ? BATCHNEED_ARRAY_LIGHTMAP : 0), texturenumsurfaces, texturesurfacelist);
+ RSurf_PrepareVerticesForBatch(BATCHNEED_ARRAY_VERTEX | BATCHNEED_ARRAY_NORMAL | BATCHNEED_ARRAY_VECTOR | (rsurface.modellightmapcolor4f ? BATCHNEED_ARRAY_VERTEXCOLOR : 0) | BATCHNEED_ARRAY_TEXCOORD | (rsurface.uselightmaptexture ? BATCHNEED_ARRAY_LIGHTMAP : 0), texturenumsurfaces, texturesurfacelist);
R_Mesh_VertexPointer( 3, GL_FLOAT, sizeof(float[3]), rsurface.batchvertex3f, rsurface.batchvertex3f_vertexbuffer, rsurface.batchvertex3f_bufferoffset);
R_Mesh_ColorPointer( 4, GL_FLOAT, sizeof(float[4]), rsurface.batchlightmapcolor4f, rsurface.batchlightmapcolor4f_vertexbuffer, rsurface.batchlightmapcolor4f_bufferoffset);
R_Mesh_TexCoordPointer(0, 2, GL_FLOAT, sizeof(float[2]), rsurface.batchtexcoordtexture2f, rsurface.batchtexcoordtexture2f_vertexbuffer, rsurface.batchtexcoordtexture2f_bufferoffset);
}
else
{
- RSurf_PrepareVerticesForBatch(BATCHNEED_VERTEXMESH_VERTEX | BATCHNEED_VERTEXMESH_NORMAL | BATCHNEED_VERTEXMESH_VECTOR | BATCHNEED_VERTEXMESH_VERTEXCOLOR | BATCHNEED_VERTEXMESH_TEXCOORD | (rsurface.uselightmaptexture ? BATCHNEED_VERTEXMESH_LIGHTMAP : 0), texturenumsurfaces, texturesurfacelist);
+ RSurf_PrepareVerticesForBatch(BATCHNEED_VERTEXMESH_VERTEX | BATCHNEED_VERTEXMESH_NORMAL | BATCHNEED_VERTEXMESH_VECTOR | (rsurface.modellightmapcolor4f ? BATCHNEED_VERTEXMESH_VERTEXCOLOR : 0) | BATCHNEED_VERTEXMESH_TEXCOORD | (rsurface.uselightmaptexture ? BATCHNEED_VERTEXMESH_LIGHTMAP : 0), texturenumsurfaces, texturesurfacelist);
R_Mesh_PrepareVertices_Mesh(rsurface.batchnumvertices, rsurface.batchvertexmesh, rsurface.batchvertexmeshbuffer);
}
R_SetupShader_SetPermutationCG(mode, permutation);
Cvar_RegisterVariable(&r_showdisabledepthtest);
Cvar_RegisterVariable(&r_drawportals);
Cvar_RegisterVariable(&r_drawentities);
+ Cvar_RegisterVariable(&r_drawworld);
Cvar_RegisterVariable(&r_cullentities_trace);
Cvar_RegisterVariable(&r_cullentities_trace_samples);
Cvar_RegisterVariable(&r_cullentities_trace_tempentitysamples);
needsupdate |= BATCHNEED_VERTEXMESH_NORMAL | BATCHNEED_VERTEXMESH_VECTOR;
break;
case Q3DEFORM_WAVE:
- batchneed |= BATCHNEED_ARRAY_VERTEX | BATCHNEED_ARRAY_TEXCOORD | BATCHNEED_NOGAPS;
+ batchneed |= BATCHNEED_ARRAY_VERTEX | BATCHNEED_ARRAY_NORMAL | BATCHNEED_ARRAY_TEXCOORD | BATCHNEED_NOGAPS;
needsupdate |= BATCHNEED_VERTEXPOSITION | BATCHNEED_VERTEXMESH_VERTEX | BATCHNEED_VERTEXMESH_NORMAL | BATCHNEED_VERTEXMESH_VECTOR;
break;
case Q3DEFORM_BULGE:
}
}
-static void RSurf_BindReflectionForBatch(void)
+static int RSurf_FindWaterPlaneForSurface(const msurface_t *surface)
{
- // pick the closest matching water plane and bind textures
- int planeindex, vertexindex;
+ // pick the closest matching water plane
+ int planeindex, vertexindex, bestplaneindex = -1;
float d, bestd;
vec3_t vert;
const float *v;
- r_waterstate_waterplane_t *p, *bestp;
+ r_waterstate_waterplane_t *p;
bestd = 0;
- bestp = NULL;
for (planeindex = 0, p = r_waterstate.waterplanes;planeindex < r_waterstate.numwaterplanes;planeindex++, p++)
{
if(p->camera_entity != rsurface.texture->camera_entity)
continue;
d = 0;
+ RSurf_PrepareVerticesForBatch(BATCHNEED_ARRAY_VERTEX, 1, &surface);
for (vertexindex = 0, v = rsurface.batchvertex3f + rsurface.batchfirstvertex * 3;vertexindex < rsurface.batchnumvertices;vertexindex++, v += 3)
{
Matrix4x4_Transform(&rsurface.matrix, v, vert);
d += fabs(PlaneDiff(vert, &p->plane));
}
- if (bestd > d || !bestp)
+ if (bestd > d || bestplaneindex < 0)
{
bestd = d;
- bestp = p;
+ bestplaneindex = planeindex;
}
}
+ return bestplaneindex;
+}
+
+static void RSurf_BindReflectionForBatch(int planeindex)
+{
+ // pick the closest matching water plane and bind textures
+ r_waterstate_waterplane_t *bestp = planeindex >= 0 ? r_waterstate.waterplanes + planeindex : NULL;
switch(vid.renderpath)
{
case RENDERPATH_CGGL:
GL_DepthMask(true);
R_SetupShader_Surface(vec3_origin, (rsurface.texture->currentmaterialflags & MATERIALFLAG_MODELLIGHT) != 0, 1, 1, rsurface.texture->specularscale, RSURFPASS_DEFERREDGEOMETRY, texturenumsurfaces, texturesurfacelist);
RSurf_DrawBatch();
+ return;
}
- else if ((rsurface.texture->currentmaterialflags & (MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFRACTION | MATERIALFLAG_CAMERA)) && !r_waterstate.renderingscene)
- {
- // render water or distortion background, then blend surface on top
- GL_DepthMask(true);
- R_SetupShader_Surface(vec3_origin, (rsurface.texture->currentmaterialflags & MATERIALFLAG_MODELLIGHT) != 0, 1, 1, rsurface.texture->specularscale, RSURFPASS_BACKGROUND, texturenumsurfaces, texturesurfacelist);
- RSurf_BindReflectionForBatch();
- if (rsurface.uselightmaptexture && !(rsurface.texture->currentmaterialflags & MATERIALFLAG_FULLBRIGHT))
- RSurf_BindLightmapForBatch();
- RSurf_DrawBatch();
- GL_DepthMask(false);
- R_SetupShader_Surface(vec3_origin, (rsurface.texture->currentmaterialflags & MATERIALFLAG_MODELLIGHT) != 0, 1, 1, rsurface.texture->specularscale, RSURFPASS_BASE, texturenumsurfaces, texturesurfacelist);
- if (rsurface.uselightmaptexture && !(rsurface.texture->currentmaterialflags & MATERIALFLAG_FULLBRIGHT))
- RSurf_BindLightmapForBatch();
- RSurf_DrawBatch();
- }
- else
+
+ // bind lightmap texture
+
+ // water/refraction/reflection/camera surfaces have to be handled specially
+ if ((rsurface.texture->currentmaterialflags & (MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFRACTION | MATERIALFLAG_CAMERA | MATERIALFLAG_REFLECTION)) && !r_waterstate.renderingscene)
{
- // render surface normally
- GL_DepthMask(writedepth && !(rsurface.texture->currentmaterialflags & MATERIALFLAG_BLENDED));
- R_SetupShader_Surface(vec3_origin, (rsurface.texture->currentmaterialflags & MATERIALFLAG_MODELLIGHT) != 0, 1, 1, rsurface.texture->specularscale, RSURFPASS_BASE, texturenumsurfaces, texturesurfacelist);
- if (rsurface.texture->currentmaterialflags & MATERIALFLAG_REFLECTION)
- RSurf_BindReflectionForBatch();
- if (rsurface.uselightmaptexture && !(rsurface.texture->currentmaterialflags & MATERIALFLAG_FULLBRIGHT))
- RSurf_BindLightmapForBatch();
- RSurf_DrawBatch();
+ int start, end, startplaneindex;
+ for (start = 0;start < texturenumsurfaces;start = end)
+ {
+ startplaneindex = RSurf_FindWaterPlaneForSurface(texturesurfacelist[start]);
+ for (end = start + 1;end < texturenumsurfaces && startplaneindex == RSurf_FindWaterPlaneForSurface(texturesurfacelist[end]);end++)
+ ;
+ // now that we have a batch using the same planeindex, render it
+ if ((rsurface.texture->currentmaterialflags & (MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFRACTION | MATERIALFLAG_CAMERA)) && !r_waterstate.renderingscene)
+ {
+ // render water or distortion background
+ GL_DepthMask(true);
+ R_SetupShader_Surface(vec3_origin, (rsurface.texture->currentmaterialflags & MATERIALFLAG_MODELLIGHT) != 0, 1, 1, rsurface.texture->specularscale, RSURFPASS_BACKGROUND, end-start, texturesurfacelist + start);
+ RSurf_BindReflectionForBatch(startplaneindex);
+ if (rsurface.uselightmaptexture && !(rsurface.texture->currentmaterialflags & MATERIALFLAG_FULLBRIGHT))
+ RSurf_BindLightmapForBatch();
+ RSurf_DrawBatch();
+ // blend surface on top
+ GL_DepthMask(false);
+ R_SetupShader_Surface(vec3_origin, (rsurface.texture->currentmaterialflags & MATERIALFLAG_MODELLIGHT) != 0, 1, 1, rsurface.texture->specularscale, RSURFPASS_BASE, end-start, texturesurfacelist + start);
+ RSurf_DrawBatch();
+ }
+ else if ((rsurface.texture->currentmaterialflags & MATERIALFLAG_REFLECTION) && !r_waterstate.renderingscene)
+ {
+ // render surface with reflection texture as input
+ GL_DepthMask(writedepth && !(rsurface.texture->currentmaterialflags & MATERIALFLAG_BLENDED));
+ R_SetupShader_Surface(vec3_origin, (rsurface.texture->currentmaterialflags & MATERIALFLAG_MODELLIGHT) != 0, 1, 1, rsurface.texture->specularscale, RSURFPASS_BASE, end-start, texturesurfacelist + start);
+ RSurf_BindReflectionForBatch(startplaneindex);
+ if (rsurface.uselightmaptexture && !(rsurface.texture->currentmaterialflags & MATERIALFLAG_FULLBRIGHT))
+ RSurf_BindLightmapForBatch();
+ RSurf_DrawBatch();
+ }
+ }
+ return;
}
+
+ // render surface batch normally
+ GL_DepthMask(writedepth && !(rsurface.texture->currentmaterialflags & MATERIALFLAG_BLENDED));
+ R_SetupShader_Surface(vec3_origin, (rsurface.texture->currentmaterialflags & MATERIALFLAG_MODELLIGHT) != 0, 1, 1, rsurface.texture->specularscale, RSURFPASS_BASE, texturenumsurfaces, texturesurfacelist);
+ if (rsurface.uselightmaptexture && !(rsurface.texture->currentmaterialflags & MATERIALFLAG_FULLBRIGHT))
+ RSurf_BindLightmapForBatch();
+ RSurf_DrawBatch();
}
static void R_DrawTextureSurfaceList_GL13(int texturenumsurfaces, const msurface_t **texturesurfacelist, qboolean writedepth)
if (texture->surfaceflags & Q3SURFACEFLAG_NOMARKS)
continue;
numtriangles = surface->num_triangles;
- for (triangleindex = 0, e = model->surfmesh.data_element3i + 3*surface->num_firsttriangle;triangleindex < numtriangles;triangleindex++, e += 3)
+ for (triangleindex = 0, e = rsurface.modelelement3i + 3*surface->num_firsttriangle;triangleindex < numtriangles;triangleindex++, e += 3)
{
for (cornerindex = 0;cornerindex < 3;cornerindex++)
{