+static int detailtexturecycle = 0;
+int Mod_LoadSkinFrame(skinframe_t *skinframe, char *basename, int textureflags, int loadpantsandshirt, int usedetailtexture, int loadglowtexture)
+{
+ imageskin_t s;
+ memset(skinframe, 0, sizeof(*skinframe));
+ if (!image_loadskin(&s, basename))
+ return false;
+ if (usedetailtexture)
+ skinframe->detail = mod_shared_detailtextures[(detailtexturecycle++) % NUM_DETAILTEXTURES];
+ skinframe->base = R_LoadTexture2D (loadmodel->texturepool, basename, s.basepixels_width, s.basepixels_height, s.basepixels, TEXTYPE_RGBA, textureflags, NULL);
+ if (s.nmappixels != NULL)
+ skinframe->nmap = R_LoadTexture2D (loadmodel->texturepool, va("%s_nmap", basename), s.nmappixels_width, s.nmappixels_height, s.nmappixels, TEXTYPE_RGBA, textureflags, NULL);
+ if (s.glosspixels != NULL)
+ skinframe->gloss = R_LoadTexture2D (loadmodel->texturepool, va("%s_gloss", basename), s.glosspixels_width, s.glosspixels_height, s.glosspixels, TEXTYPE_RGBA, textureflags, NULL);
+ if (s.glowpixels != NULL && loadglowtexture)
+ skinframe->glow = R_LoadTexture2D (loadmodel->texturepool, va("%s_glow", basename), s.glowpixels_width, s.glowpixels_height, s.glowpixels, TEXTYPE_RGBA, textureflags, NULL);
+ if (s.maskpixels != NULL)
+ skinframe->fog = R_LoadTexture2D (loadmodel->texturepool, va("%s_mask", basename), s.maskpixels_width, s.maskpixels_height, s.maskpixels, TEXTYPE_RGBA, textureflags, NULL);
+ if (loadpantsandshirt)
+ {
+ if (s.pantspixels != NULL)
+ skinframe->pants = R_LoadTexture2D (loadmodel->texturepool, va("%s_pants", basename), s.pantspixels_width, s.pantspixels_height, s.pantspixels, TEXTYPE_RGBA, textureflags, NULL);
+ if (s.shirtpixels != NULL)
+ skinframe->shirt = R_LoadTexture2D (loadmodel->texturepool, va("%s_shirt", basename), s.shirtpixels_width, s.shirtpixels_height, s.shirtpixels, TEXTYPE_RGBA, textureflags, NULL);
+ }
+ image_freeskin(&s);
+ return true;
+}
+
+int Mod_LoadSkinFrame_Internal(skinframe_t *skinframe, char *basename, int textureflags, int loadpantsandshirt, int usedetailtexture, int loadglowtexture, qbyte *skindata, int width, int height)
+{
+ qbyte *temp1, *temp2;
+ memset(skinframe, 0, sizeof(*skinframe));
+ if (!skindata)
+ return false;
+ if (usedetailtexture)
+ skinframe->detail = mod_shared_detailtextures[(detailtexturecycle++) % NUM_DETAILTEXTURES];
+ if (r_shadow_bumpscale_basetexture.value > 0)
+ {
+ temp1 = Mem_Alloc(loadmodel->mempool, width * height * 8);
+ temp2 = temp1 + width * height * 4;
+ Image_Copy8bitRGBA(skindata, temp1, width * height, palette_nofullbrights);
+ Image_HeightmapToNormalmap(temp1, temp2, width, height, false, r_shadow_bumpscale_basetexture.value);
+ skinframe->nmap = R_LoadTexture2D(loadmodel->texturepool, va("%s_nmap", basename), width, height, temp2, TEXTYPE_RGBA, textureflags, NULL);
+ Mem_Free(temp1);
+ }
+ if (loadglowtexture)
+ {
+ skinframe->glow = GL_TextureForSkinLayer(skindata, width, height, va("%s_glow", basename), palette_onlyfullbrights, textureflags); // glow
+ skinframe->base = skinframe->merged = GL_TextureForSkinLayer(skindata, width, height, va("%s_merged", basename), palette_nofullbrights, textureflags); // all but fullbrights
+ if (loadpantsandshirt)
+ {
+ skinframe->pants = GL_TextureForSkinLayer(skindata, width, height, va("%s_pants", basename), palette_pantsaswhite, textureflags); // pants
+ skinframe->shirt = GL_TextureForSkinLayer(skindata, width, height, va("%s_shirt", basename), palette_shirtaswhite, textureflags); // shirt
+ if (skinframe->pants || skinframe->shirt)
+ skinframe->base = GL_TextureForSkinLayer(skindata, width, height, va("%s_nospecial", basename), palette_nocolormapnofullbrights, textureflags); // no special colors
+ }
+ }
+ else
+ {
+ skinframe->base = skinframe->merged = GL_TextureForSkinLayer(skindata, width, height, va("%s_merged", basename), palette_complete, textureflags); // all
+ if (loadpantsandshirt)
+ {
+ skinframe->pants = GL_TextureForSkinLayer(skindata, width, height, va("%s_pants", basename), palette_pantsaswhite, textureflags); // pants
+ skinframe->shirt = GL_TextureForSkinLayer(skindata, width, height, va("%s_shirt", basename), palette_shirtaswhite, textureflags); // shirt
+ if (skinframe->pants || skinframe->shirt)
+ skinframe->base = GL_TextureForSkinLayer(skindata, width, height, va("%s_nospecial", basename), palette_nocolormap, textureflags); // no pants or shirt
+ }
+ }
+ return true;
+}
+
+void Mod_GetTerrainVertex3fTexCoord2fFromRGBA(const qbyte *imagepixels, int imagewidth, int imageheight, int ix, int iy, float *vertex3f, float *texcoord2f, matrix4x4_t *pixelstepmatrix, matrix4x4_t *pixeltexturestepmatrix)
+{
+ float v[3], tc[3];
+ v[0] = ix;
+ v[1] = iy;
+ if (ix >= 0 && iy >= 0 && ix < imagewidth && iy < imageheight)
+ v[2] = (imagepixels[((iy*imagewidth)+ix)*4+0] + imagepixels[((iy*imagewidth)+ix)*4+1] + imagepixels[((iy*imagewidth)+ix)*4+2]) * (1.0f / 765.0f);
+ else
+ v[2] = 0;
+ Matrix4x4_Transform(pixelstepmatrix, v, vertex3f);
+ Matrix4x4_Transform(pixeltexturestepmatrix, v, tc);
+ texcoord2f[0] = tc[0];
+ texcoord2f[1] = tc[1];
+}
+
+void Mod_GetTerrainVertexFromRGBA(const qbyte *imagepixels, int imagewidth, int imageheight, int ix, int iy, float *vertex3f, float *svector3f, float *tvector3f, float *normal3f, float *texcoord2f, matrix4x4_t *pixelstepmatrix, matrix4x4_t *pixeltexturestepmatrix)
+{
+ float vup[3], vdown[3], vleft[3], vright[3];
+ float tcup[3], tcdown[3], tcleft[3], tcright[3];
+ float sv[3], tv[3], nl[3];
+ Mod_GetTerrainVertex3fTexCoord2fFromRGBA(imagepixels, imagewidth, imageheight, ix, iy, vertex3f, texcoord2f, pixelstepmatrix, pixeltexturestepmatrix);
+ Mod_GetTerrainVertex3fTexCoord2fFromRGBA(imagepixels, imagewidth, imageheight, ix, iy - 1, vup, tcup, pixelstepmatrix, pixeltexturestepmatrix);
+ Mod_GetTerrainVertex3fTexCoord2fFromRGBA(imagepixels, imagewidth, imageheight, ix, iy + 1, vdown, tcdown, pixelstepmatrix, pixeltexturestepmatrix);
+ Mod_GetTerrainVertex3fTexCoord2fFromRGBA(imagepixels, imagewidth, imageheight, ix - 1, iy, vleft, tcleft, pixelstepmatrix, pixeltexturestepmatrix);
+ Mod_GetTerrainVertex3fTexCoord2fFromRGBA(imagepixels, imagewidth, imageheight, ix + 1, iy, vright, tcright, pixelstepmatrix, pixeltexturestepmatrix);
+ Mod_BuildBumpVectors(vertex3f, vup, vright, texcoord2f, tcup, tcright, svector3f, tvector3f, normal3f);
+ Mod_BuildBumpVectors(vertex3f, vright, vdown, texcoord2f, tcright, tcdown, sv, tv, nl);
+ VectorAdd(svector3f, sv, svector3f);
+ VectorAdd(tvector3f, tv, tvector3f);
+ VectorAdd(normal3f, nl, normal3f);
+ Mod_BuildBumpVectors(vertex3f, vdown, vleft, texcoord2f, tcdown, tcleft, sv, tv, nl);
+ VectorAdd(svector3f, sv, svector3f);
+ VectorAdd(tvector3f, tv, tvector3f);
+ VectorAdd(normal3f, nl, normal3f);
+ Mod_BuildBumpVectors(vertex3f, vleft, vup, texcoord2f, tcleft, tcup, sv, tv, nl);
+ VectorAdd(svector3f, sv, svector3f);
+ VectorAdd(tvector3f, tv, tvector3f);
+ VectorAdd(normal3f, nl, normal3f);
+}
+
+void Mod_ConstructTerrainPatchFromRGBA(const qbyte *imagepixels, int imagewidth, int imageheight, int x1, int y1, int width, int height, int *element3i, int *neighbor3i, float *vertex3f, float *svector3f, float *tvector3f, float *normal3f, float *texcoord2f, matrix4x4_t *pixelstepmatrix, matrix4x4_t *pixeltexturestepmatrix)
+{
+ int x, y, ix, iy, *e;
+ e = element3i;
+ for (y = 0;y < height;y++)
+ {
+ for (x = 0;x < width;x++)
+ {
+ e[0] = (y + 1) * (width + 1) + (x + 0);
+ e[1] = (y + 0) * (width + 1) + (x + 0);
+ e[2] = (y + 1) * (width + 1) + (x + 1);
+ e[3] = (y + 0) * (width + 1) + (x + 0);
+ e[4] = (y + 0) * (width + 1) + (x + 1);
+ e[5] = (y + 1) * (width + 1) + (x + 1);
+ e += 6;
+ }
+ }
+ Mod_BuildTriangleNeighbors(neighbor3i, element3i, width*height*2);
+ for (y = 0, iy = y1;y < height + 1;y++, iy++)
+ for (x = 0, ix = x1;x < width + 1;x++, ix++, vertex3f += 3, texcoord2f += 2, svector3f += 3, tvector3f += 3, normal3f += 3)
+ Mod_GetTerrainVertexFromRGBA(imagepixels, imagewidth, imageheight, ix, iy, vertex3f, texcoord2f, svector3f, tvector3f, normal3f, pixelstepmatrix, pixeltexturestepmatrix);
+}
+
+skinfile_t *Mod_LoadSkinFiles(void)
+{
+ int i, words, numtags, line, tagsetsused = false, wordsoverflow;
+ char *text;
+ const char *data;
+ skinfile_t *skinfile = NULL, *first = NULL;
+ skinfileitem_t *skinfileitem;
+ char word[10][MAX_QPATH];
+ overridetagnameset_t tagsets[MAX_SKINS];
+ overridetagname_t tags[256];