]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - gl_rmain.c
implemented QW skin support, it's broken on skins that are not the same
[xonotic/darkplaces.git] / gl_rmain.c
index e616c3b3591e205534b9e50baf8c3455d2fa9c5b..5d6931700dd72d3a0e5e472d7abe870cbde1b42e 100644 (file)
@@ -22,6 +22,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 #include "quakedef.h"
 #include "r_shadow.h"
 #include "polygon.h"
+#include "image.h"
 
 mempool_t *r_main_mempool;
 rtexturepool_t *r_main_texturepool;
@@ -34,6 +35,7 @@ r_view_t r_view;
 r_viewcache_t r_viewcache;
 
 cvar_t r_nearclip = {0, "r_nearclip", "1", "distance from camera of nearclip plane" };
+cvar_t r_showbboxes = {0, "r_showbboxes", "0", "shows bounding boxes of server entities, value controls opacity scaling (1 = 10%,  10 = 100%)"};
 cvar_t r_showsurfaces = {0, "r_showsurfaces", "0", "1 shows surfaces as different colors, or a value of 2 shows triangle draw order (for analyzing whether meshes are optimized for vertex cache)"};
 cvar_t r_showtris = {0, "r_showtris", "0", "shows triangle outlines, value controls brightness (can be above 1)"};
 cvar_t r_shownormals = {0, "r_shownormals", "0", "shows per-vertex surface normals and tangent vectors for bumpmapped lighting"};
@@ -51,7 +53,7 @@ cvar_t r_cullentities_trace_samples = {0, "r_cullentities_trace_samples", "2", "
 cvar_t r_cullentities_trace_enlarge = {0, "r_cullentities_trace_enlarge", "0", "box enlargement for entity culling"};
 cvar_t r_cullentities_trace_delay = {0, "r_cullentities_trace_delay", "1", "number of seconds until the entity gets actually culled"};
 cvar_t r_speeds = {0, "r_speeds","0", "displays rendering statistics and per-subsystem timings"};
-cvar_t r_fullbright = {0, "r_fullbright","0", "make everything bright cheat (not allowed in multiplayer)"};
+cvar_t r_fullbright = {0, "r_fullbright","0", "makes map very bright and renders faster"};
 cvar_t r_wateralpha = {CVAR_SAVE, "r_wateralpha","1", "opacity of water polygons"};
 cvar_t r_dynamic = {CVAR_SAVE, "r_dynamic","1", "enables dynamic lights (rocket glow and such)"};
 cvar_t r_fullbrights = {CVAR_SAVE, "r_fullbrights", "1", "enables glowing pixels in quake textures (changes need r_restart to take effect)"};
@@ -147,8 +149,8 @@ r_glsl_permutation_t r_glsl_permutations[SHADERPERMUTATION_MAX];
 // currently selected permutation
 r_glsl_permutation_t *r_glsl_permutation;
 
-// temporary variable used by a macro
-int fogtableindex;
+char r_qwskincache[MAX_SCOREBOARD][MAX_QPATH];
+skinframe_t *r_qwskincache_skinframe[MAX_SCOREBOARD];
 
 // vertex coordinates for a quad that covers the screen exactly
 const static float r_screenvertex3f[12] =
@@ -202,31 +204,16 @@ void FOG_clear(void)
        r_refdef.fog_density = r_refdef.fog_red = r_refdef.fog_green = r_refdef.fog_blue = 0.0f;
 }
 
-// FIXME: move this to client?
-void FOG_registercvars(void)
+float FogPoint_World(const vec3_t p)
 {
-       int x;
-       double r, alpha;
-
-       if (gamemode == GAME_NEHAHRA)
-       {
-               Cvar_RegisterVariable (&gl_fogenable);
-               Cvar_RegisterVariable (&gl_fogdensity);
-               Cvar_RegisterVariable (&gl_fogred);
-               Cvar_RegisterVariable (&gl_foggreen);
-               Cvar_RegisterVariable (&gl_fogblue);
-               Cvar_RegisterVariable (&gl_fogstart);
-               Cvar_RegisterVariable (&gl_fogend);
-       }
+       int fogmasktableindex = (int)(VectorDistance((p), r_view.origin) * r_refdef.fogmasktabledistmultiplier);
+       return r_refdef.fogmasktable[min(fogmasktableindex, FOGMASKTABLEWIDTH - 1)];
+}
 
-       r = (-1.0/256.0) * (FOGTABLEWIDTH * FOGTABLEWIDTH);
-       for (x = 0;x < FOGTABLEWIDTH;x++)
-       {
-               alpha = exp(r / ((double)x*(double)x));
-               if (x == FOGTABLEWIDTH - 1)
-                       alpha = 1;
-               r_refdef.fogtable[x] = bound(0, alpha, 1);
-       }
+float FogPoint_Model(const vec3_t p)
+{
+       int fogmasktableindex = (int)(VectorDistance((p), rsurface_modelorg) * r_refdef.fogmasktabledistmultiplier);
+       return r_refdef.fogmasktable[min(fogmasktableindex, FOGMASKTABLEWIDTH - 1)];
 }
 
 static void R_BuildBlankTextures(void)
@@ -352,25 +339,19 @@ static void R_BuildNormalizationCube(void)
 static void R_BuildFogTexture(void)
 {
        int x, b;
-       double r, alpha;
 #define FOGWIDTH 64
        unsigned char data1[FOGWIDTH][4];
        //unsigned char data2[FOGWIDTH][4];
-       r = (-1.0/256.0) * (FOGWIDTH * FOGWIDTH);
        for (x = 0;x < FOGWIDTH;x++)
        {
-               alpha = exp(r / ((double)x*(double)x));
-               if (x == FOGWIDTH - 1)
-                       alpha = 1;
-               b = (int)(256.0 * alpha);
-               b = bound(0, b, 255);
-               data1[x][0] = 255 - b;
-               data1[x][1] = 255 - b;
-               data1[x][2] = 255 - b;
+               b = (int)(r_refdef.fogmasktable[x * (FOGMASKTABLEWIDTH - 1) / (FOGWIDTH - 1)] * 255);
+               data1[x][0] = b;
+               data1[x][1] = b;
+               data1[x][2] = b;
                data1[x][3] = 255;
-               //data2[x][0] = b;
-               //data2[x][1] = b;
-               //data2[x][2] = b;
+               //data2[x][0] = 255 - b;
+               //data2[x][1] = 255 - b;
+               //data2[x][2] = 255 - b;
                //data2[x][3] = 255;
        }
        r_texture_fogattenuation = R_LoadTexture2D(r_main_texturepool, "fogattenuation", FOGWIDTH, 1, &data1[0][0], TEXTYPE_RGBA, TEXF_PRECACHE | TEXF_FORCELINEAR | TEXF_CLAMP, NULL);
@@ -511,50 +492,55 @@ static const char *builtinshaderstring =
 "uniform myhalf SpecularScale;\n"
 "uniform myhalf SpecularPower;\n"
 "\n"
+"#ifdef USEOFFSETMAPPING\n"
 "vec2 OffsetMapping(vec2 TexCoord)\n"
 "{\n"
-"      vec3 eyedir = vec3(normalize(EyeVector));\n"
-"      float depthbias = 1.0 - eyedir.z; // should this be a -?\n"
-"      depthbias = 1.0 - depthbias * depthbias;\n"
-"\n"
 "#ifdef USEOFFSETMAPPING_RELIEFMAPPING\n"
 "      // 14 sample relief mapping: linear search and then binary search\n"
-"      //vec3 OffsetVector = vec3(EyeVector.xy * (1.0 / EyeVector.z) * depthbias * OffsetMapping_Scale * vec2(-0.1, 0.1), -0.1);\n"
-"      //vec3 OffsetVector = vec3(normalize(EyeVector.xy) * OffsetMapping_Scale * vec2(-0.1, 0.1), -0.1);\n"
-"      vec3 OffsetVector = vec3(eyedir.xy * OffsetMapping_Scale * vec2(-0.1, 0.1), -0.1);\n"
-"      vec3 RT = vec3(TexCoord - OffsetVector.xy * 10.0, 1.0) + OffsetVector;\n"
-"      if (RT.z > texture2D(Texture_Normal, RT.xy).a) RT += OffsetVector;\n"
-"      if (RT.z > texture2D(Texture_Normal, RT.xy).a) RT += OffsetVector;\n"
-"      if (RT.z > texture2D(Texture_Normal, RT.xy).a) RT += OffsetVector;\n"
-"      if (RT.z > texture2D(Texture_Normal, RT.xy).a) RT += OffsetVector;\n"
-"      if (RT.z > texture2D(Texture_Normal, RT.xy).a) RT += OffsetVector;\n"
-"      if (RT.z > texture2D(Texture_Normal, RT.xy).a) RT += OffsetVector;\n"
-"      if (RT.z > texture2D(Texture_Normal, RT.xy).a) RT += OffsetVector;\n"
-"      if (RT.z > texture2D(Texture_Normal, RT.xy).a) RT += OffsetVector;\n"
-"      if (RT.z > texture2D(Texture_Normal, RT.xy).a) RT += OffsetVector;OffsetVector *= 0.5;RT -= OffsetVector;\n"
-"      if (RT.z > texture2D(Texture_Normal, RT.xy).a) RT += OffsetVector;OffsetVector *= 0.5;RT -= OffsetVector;\n"
-"      if (RT.z > texture2D(Texture_Normal, RT.xy).a) RT += OffsetVector;OffsetVector *= 0.5;RT -= OffsetVector;\n"
-"      if (RT.z > texture2D(Texture_Normal, RT.xy).a) RT += OffsetVector;OffsetVector *= 0.5;RT -= OffsetVector;\n"
-"      if (RT.z > texture2D(Texture_Normal, RT.xy).a) RT += OffsetVector;OffsetVector *= 0.5;RT -= OffsetVector;\n"
-"      if (RT.z > texture2D(Texture_Normal, RT.xy).a) RT += OffsetVector;OffsetVector *= 0.5;RT -= OffsetVector;\n"
-"      TexCoord = RT.xy;\n"
+"      // this basically steps forward a small amount repeatedly until it finds\n"
+"      // itself inside solid, then jitters forward and back using decreasing\n"
+"      // amounts to find the impact\n"
+"      //vec3 OffsetVector = vec3(EyeVector.xy * ((1.0 / EyeVector.z) * OffsetMapping_Scale) * vec2(-1, 1), -1);\n"
+"      //vec3 OffsetVector = vec3(normalize(EyeVector.xy) * OffsetMapping_Scale * vec2(-1, 1), -1);\n"
+"      vec3 OffsetVector = vec3(normalize(EyeVector).xy * OffsetMapping_Scale * vec2(-1, 1), -1);\n"
+"      vec3 RT = vec3(TexCoord, 1);\n"
+"      OffsetVector *= 0.1;\n"
+"      RT += OffsetVector *  step(texture2D(Texture_Normal, RT.xy).a, RT.z);\n"
+"      RT += OffsetVector *  step(texture2D(Texture_Normal, RT.xy).a, RT.z);\n"
+"      RT += OffsetVector *  step(texture2D(Texture_Normal, RT.xy).a, RT.z);\n"
+"      RT += OffsetVector *  step(texture2D(Texture_Normal, RT.xy).a, RT.z);\n"
+"      RT += OffsetVector *  step(texture2D(Texture_Normal, RT.xy).a, RT.z);\n"
+"      RT += OffsetVector *  step(texture2D(Texture_Normal, RT.xy).a, RT.z);\n"
+"      RT += OffsetVector *  step(texture2D(Texture_Normal, RT.xy).a, RT.z);\n"
+"      RT += OffsetVector *  step(texture2D(Texture_Normal, RT.xy).a, RT.z);\n"
+"      RT += OffsetVector *  step(texture2D(Texture_Normal, RT.xy).a, RT.z);\n"
+"      RT += OffsetVector * (step(texture2D(Texture_Normal, RT.xy).a, RT.z)          - 0.5);\n"
+"      RT += OffsetVector * (step(texture2D(Texture_Normal, RT.xy).a, RT.z) * 0.5    - 0.25);\n"
+"      RT += OffsetVector * (step(texture2D(Texture_Normal, RT.xy).a, RT.z) * 0.25   - 0.125);\n"
+"      RT += OffsetVector * (step(texture2D(Texture_Normal, RT.xy).a, RT.z) * 0.125  - 0.0625);\n"
+"      RT += OffsetVector * (step(texture2D(Texture_Normal, RT.xy).a, RT.z) * 0.0625 - 0.03125);\n"
+"      return RT.xy;\n"
 "#else\n"
 "      // 3 sample offset mapping (only 3 samples because of ATI Radeon 9500-9800/X300 limits)\n"
-"      //vec2 OffsetVector = vec2(EyeVector.xy * (1.0 / EyeVector.z) * depthbias) * OffsetMapping_Scale * vec2(-0.333, 0.333);\n"
-"      //vec2 OffsetVector = vec2(normalize(EyeVector.xy)) * OffsetMapping_Scale * vec2(-0.333, 0.333);\n"
-"      vec2 OffsetVector = vec2(eyedir.xy) * OffsetMapping_Scale * vec2(-0.333, 0.333);\n"
-"      //TexCoord += OffsetVector * 3.0;\n"
+"      // this basically moves forward the full distance, and then backs up based\n"
+"      // on height of samples\n"
+"      //vec2 OffsetVector = vec2(EyeVector.xy * ((1.0 / EyeVector.z) * OffsetMapping_Scale) * vec2(-1, 1));\n"
+"      //vec2 OffsetVector = vec2(normalize(EyeVector.xy) * OffsetMapping_Scale * vec2(-1, 1));\n"
+"      vec2 OffsetVector = vec2(normalize(EyeVector).xy * OffsetMapping_Scale * vec2(-1, 1));\n"
+"      TexCoord += OffsetVector;\n"
+"      OffsetVector *= 0.333;\n"
 "      TexCoord -= OffsetVector * texture2D(Texture_Normal, TexCoord).a;\n"
 "      TexCoord -= OffsetVector * texture2D(Texture_Normal, TexCoord).a;\n"
 "      TexCoord -= OffsetVector * texture2D(Texture_Normal, TexCoord).a;\n"
-"#endif\n"
 "      return TexCoord;\n"
+"#endif\n"
 "}\n"
+"#endif\n"
 "\n"
 "void main(void)\n"
 "{\n"
-"      // apply offsetmapping\n"
 "#ifdef USEOFFSETMAPPING\n"
+"      // apply offsetmapping\n"
 "      vec2 TexCoordOffset = OffsetMapping(TexCoord);\n"
 "#define TexCoord TexCoordOffset\n"
 "#endif\n"
@@ -588,10 +574,10 @@ static const char *builtinshaderstring =
 "      myhvec3 diffusenormal = myhvec3(normalize(LightVector));\n"
 "\n"
 "      // calculate directional shading\n"
-"      color.rgb = LightColor * myhalf(texture2D(Texture_Attenuation, vec2(length(CubeVector), 0.0))) * color.rgb * (AmbientScale + DiffuseScale * myhalf(max(float(dot(surfacenormal, diffusenormal)), 0.0)));\n"
+"      color.rgb = color.rgb * LightColor * (myhalf(texture2D(Texture_Attenuation, vec2(length(CubeVector), 0.0))) * (AmbientScale + DiffuseScale * myhalf(max(float(dot(surfacenormal, diffusenormal)), 0.0))));\n"
 "#else\n"
 "      // calculate directionless shading\n"
-"      color.rgb = color.rgb * LightColor * myhalf(texture2D(Texture_Attenuation, length(CubeVector)));\n"
+"      color.rgb = color.rgb * LightColor * myhalf(texture2D(Texture_Attenuation, vec2(length(CubeVector), 0.0)));\n"
 "#endif\n"
 "#endif\n"
 "\n"
@@ -657,8 +643,7 @@ static const char *builtinshaderstring =
 "\n"
 "#ifdef USEFOG\n"
 "      // apply fog\n"
-"      myhalf fog = myhalf(texture2D(Texture_FogMask, myhvec2(length(EyeVectorModelSpace)*FogRangeRecip, 0.0)).x);\n"
-"      color.rgb = color.rgb * fog + FogColor * (1.0 - fog);\n"
+"      color.rgb = mix(FogColor, color.rgb, myhalf(texture2D(Texture_FogMask, myhvec2(length(EyeVectorModelSpace)*FogRangeRecip, 0.0))));\n"
 "#endif\n"
 "\n"
 "      color.rgb *= SceneBrightness;\n"
@@ -900,10 +885,10 @@ int R_SetupSurfaceShader(const vec3_t lightcolorbase, qboolean modellighting, fl
                // lightmapped wall
                shaderfilename = "glsl/default.glsl";
                permutation = SHADERPERMUTATION_USES_VERTEXSHADER | SHADERPERMUTATION_USES_FRAGMENTSHADER;
-               if (r_glsl_deluxemapping.integer >= 1 && rsurface_uselightmaptexture && r_refdef.worldmodel && r_refdef.worldmodel->brushq3.deluxemapping)
+               if (r_glsl_deluxemapping.integer >= 1 && rsurface_lightmaptexture && r_refdef.worldmodel && r_refdef.worldmodel->brushq3.deluxemapping)
                {
                        // deluxemapping (light direction texture)
-                       if (rsurface_uselightmaptexture && r_refdef.worldmodel && r_refdef.worldmodel->brushq3.deluxemapping && r_refdef.worldmodel->brushq3.deluxemapping_modelspace)
+                       if (rsurface_lightmaptexture && r_refdef.worldmodel && r_refdef.worldmodel->brushq3.deluxemapping && r_refdef.worldmodel->brushq3.deluxemapping_modelspace)
                                permutation |= SHADERPERMUTATION_MODE_LIGHTDIRECTIONMAP_MODELSPACE;
                        else
                                permutation |= SHADERPERMUTATION_MODE_LIGHTDIRECTIONMAP_TANGENTSPACE;
@@ -1053,8 +1038,354 @@ void R_SwitchSurfaceShader(int permutation)
        }
 }
 
+#define SKINFRAME_HASH 1024
+
+struct
+{
+       int loadsequence; // incremented each level change
+       memexpandablearray_t array;
+       skinframe_t *hash[SKINFRAME_HASH];
+}
+r_skinframe;
+
+void R_SkinFrame_PrepareForPurge(void)
+{
+       r_skinframe.loadsequence++;
+       // wrap it without hitting zero
+       if (r_skinframe.loadsequence >= 200)
+               r_skinframe.loadsequence = 1;
+}
+
+void R_SkinFrame_MarkUsed(skinframe_t *skinframe)
+{
+       if (!skinframe)
+               return;
+       // mark the skinframe as used for the purging code
+       skinframe->loadsequence = r_skinframe.loadsequence;
+}
+
+void R_SkinFrame_Purge(void)
+{
+       int i;
+       skinframe_t *s;
+       for (i = 0;i < SKINFRAME_HASH;i++)
+       {
+               for (s = r_skinframe.hash[i];s;s = s->next)
+               {
+                       if (s->loadsequence && s->loadsequence != r_skinframe.loadsequence)
+                       {
+                               if (s->base == r_texture_notexture)     s->base   = NULL;
+                               if (s->nmap == r_texture_blanknormalmap)s->nmap   = NULL;
+                               if (s->merged == s->base)               s->merged = NULL;
+                               if (s->stain ) R_FreeTexture(s->stain );s->stain  = NULL;
+                               if (s->merged) R_FreeTexture(s->merged);s->merged = NULL;
+                               if (s->base  ) R_FreeTexture(s->base  );s->base   = NULL;
+                               if (s->pants ) R_FreeTexture(s->pants );s->pants  = NULL;
+                               if (s->shirt ) R_FreeTexture(s->shirt );s->shirt  = NULL;
+                               if (s->nmap  ) R_FreeTexture(s->nmap  );s->nmap   = NULL;
+                               if (s->gloss ) R_FreeTexture(s->gloss );s->gloss  = NULL;
+                               if (s->glow  ) R_FreeTexture(s->glow  );s->glow   = NULL;
+                               if (s->fog   ) R_FreeTexture(s->fog   );s->fog    = NULL;
+                               s->loadsequence = 0;
+                       }
+               }
+       }
+}
+
+skinframe_t *R_SkinFrame_Find(const char *name, int textureflags, int comparewidth, int compareheight, int comparecrc, qboolean add)
+{
+       skinframe_t *item;
+       int hashindex;
+       char basename[MAX_QPATH];
+
+       Image_StripImageExtension(name, basename, sizeof(basename));
+
+       hashindex = CRC_Block((unsigned char *)basename, strlen(basename)) & (SKINFRAME_HASH - 1);
+       for (item = r_skinframe.hash[hashindex];item;item = item->next)
+               if (!strcmp(item->basename, basename) && item->textureflags == textureflags && item->comparewidth == comparewidth && item->compareheight == compareheight && item->comparecrc == comparecrc)
+                       break;
+       if (!item)
+       {
+               if (!add)
+                       return NULL;
+               item = (skinframe_t *)Mem_ExpandableArray_AllocRecord(&r_skinframe.array);
+               memset(item, 0, sizeof(*item));
+               strlcpy(item->basename, basename, sizeof(item->basename));
+               item->textureflags = textureflags;
+               item->comparewidth = comparewidth;
+               item->compareheight = compareheight;
+               item->comparecrc = comparecrc;
+               item->next = r_skinframe.hash[hashindex];
+               r_skinframe.hash[hashindex] = item;
+       }
+       R_SkinFrame_MarkUsed(item);
+       return item;
+}
+
+skinframe_t *R_SkinFrame_LoadExternal(const char *name, int textureflags, qboolean complain)
+{
+       // FIXME: it should be possible to disable loading various layers using
+       // cvars, to prevent wasted loading time and memory usage if the user does
+       // not want them
+       qboolean loadnormalmap = true;
+       qboolean loadgloss = true;
+       qboolean loadpantsandshirt = true;
+       qboolean loadglow = true;
+       int j;
+       unsigned char *pixels;
+       unsigned char *bumppixels;
+       unsigned char *basepixels = NULL;
+       int basepixels_width;
+       int basepixels_height;
+       skinframe_t *skinframe;
+
+       if (cls.state == ca_dedicated)
+               return NULL;
+
+       // return an existing skinframe if already loaded
+       // if loading of the first image fails, don't make a new skinframe as it
+       // would cause all future lookups of this to be missing
+       skinframe = R_SkinFrame_Find(name, textureflags, 0, 0, 0, false);
+       if (skinframe && skinframe->base)
+               return skinframe;
+
+       basepixels = loadimagepixels(name, complain, 0, 0);
+       if (basepixels == NULL)
+               return NULL;
+
+       // we've got some pixels to store, so really allocate this new texture now
+       if (!skinframe)
+               skinframe = R_SkinFrame_Find(name, textureflags, 0, 0, 0, true);
+       skinframe->stain = NULL;
+       skinframe->merged = NULL;
+       skinframe->base = r_texture_notexture;
+       skinframe->pants = NULL;
+       skinframe->shirt = NULL;
+       skinframe->nmap = r_texture_blanknormalmap;
+       skinframe->gloss = NULL;
+       skinframe->glow = NULL;
+       skinframe->fog = NULL;
+
+       basepixels_width = image_width;
+       basepixels_height = image_height;
+       skinframe->base = R_LoadTexture2D (r_main_texturepool, skinframe->basename, basepixels_width, basepixels_height, basepixels, TEXTYPE_RGBA, skinframe->textureflags, NULL);
+
+       if (textureflags & TEXF_ALPHA)
+       {
+               for (j = 3;j < basepixels_width * basepixels_height * 4;j += 4)
+                       if (basepixels[j] < 255)
+                               break;
+               if (j < basepixels_width * basepixels_height * 4)
+               {
+                       // has transparent pixels
+                       pixels = (unsigned char *)Mem_Alloc(tempmempool, image_width * image_height * 4);
+                       for (j = 0;j < image_width * image_height * 4;j += 4)
+                       {
+                               pixels[j+0] = 255;
+                               pixels[j+1] = 255;
+                               pixels[j+2] = 255;
+                               pixels[j+3] = basepixels[j+3];
+                       }
+                       skinframe->fog = R_LoadTexture2D (r_main_texturepool, va("%s_mask", skinframe->basename), image_width, image_height, pixels, TEXTYPE_RGBA, skinframe->textureflags, NULL);
+                       Mem_Free(pixels);
+               }
+       }
+
+       // _norm is the name used by tenebrae and has been adopted as standard
+       if (loadnormalmap)
+       {
+               if ((pixels = loadimagepixels(va("%s_norm", skinframe->basename), false, 0, 0)) != NULL)
+               {
+                       skinframe->nmap = R_LoadTexture2D (r_main_texturepool, va("%s_nmap", skinframe->basename), image_width, image_height, pixels, TEXTYPE_RGBA, skinframe->textureflags, NULL);
+                       Mem_Free(pixels);
+                       pixels = NULL;
+               }
+               else if (r_shadow_bumpscale_bumpmap.value > 0 && (bumppixels = loadimagepixels(va("%s_bump", skinframe->basename), false, 0, 0)) != NULL)
+               {
+                       pixels = (unsigned char *)Mem_Alloc(tempmempool, image_width * image_height * 4);
+                       Image_HeightmapToNormalmap(bumppixels, pixels, image_width, image_height, false, r_shadow_bumpscale_bumpmap.value);
+                       skinframe->nmap = R_LoadTexture2D (r_main_texturepool, va("%s_nmap", skinframe->basename), image_width, image_height, pixels, TEXTYPE_RGBA, skinframe->textureflags, NULL);
+                       Mem_Free(pixels);
+                       Mem_Free(bumppixels);
+               }
+               else if (r_shadow_bumpscale_basetexture.value > 0)
+               {
+                       pixels = (unsigned char *)Mem_Alloc(tempmempool, basepixels_width * basepixels_height * 4);
+                       Image_HeightmapToNormalmap(basepixels, pixels, basepixels_width, basepixels_height, false, r_shadow_bumpscale_basetexture.value);
+                       skinframe->nmap = R_LoadTexture2D (r_main_texturepool, va("%s_nmap", skinframe->basename), basepixels_width, basepixels_height, pixels, TEXTYPE_RGBA, skinframe->textureflags, NULL);
+                       Mem_Free(pixels);
+               }
+       }
+       // _luma is supported for tenebrae compatibility
+       // (I think it's a very stupid name, but oh well)
+       // _glow is the preferred name
+       if (loadglow          && ((pixels = loadimagepixels(va("%s_glow", skinframe->basename), false, 0, 0)) != NULL || (pixels = loadimagepixels(va("%s_luma", skinframe->basename), false, 0, 0)) != NULL)) {skinframe->glow = R_LoadTexture2D (r_main_texturepool, va("%s_glow", skinframe->basename), image_width, image_height, pixels, TEXTYPE_RGBA, skinframe->textureflags, NULL);Mem_Free(pixels);pixels = NULL;}
+       if (loadgloss         && (pixels = loadimagepixels(va("%s_gloss", skinframe->basename), false, 0, 0)) != NULL) {skinframe->gloss = R_LoadTexture2D (r_main_texturepool, va("%s_gloss", skinframe->basename), image_width, image_height, pixels, TEXTYPE_RGBA, skinframe->textureflags, NULL);Mem_Free(pixels);pixels = NULL;}
+       if (loadpantsandshirt && (pixels = loadimagepixels(va("%s_pants", skinframe->basename), false, 0, 0)) != NULL) {skinframe->pants = R_LoadTexture2D (r_main_texturepool, va("%s_pants", skinframe->basename), image_width, image_height, pixels, TEXTYPE_RGBA, skinframe->textureflags, NULL);Mem_Free(pixels);pixels = NULL;}
+       if (loadpantsandshirt && (pixels = loadimagepixels(va("%s_shirt", skinframe->basename), false, 0, 0)) != NULL) {skinframe->shirt = R_LoadTexture2D (r_main_texturepool, va("%s_shirt", skinframe->basename), image_width, image_height, pixels, TEXTYPE_RGBA, skinframe->textureflags, NULL);Mem_Free(pixels);pixels = NULL;}
+
+       if (basepixels)
+               Mem_Free(basepixels);
+
+       return skinframe;
+}
+
+static rtexture_t *R_SkinFrame_TextureForSkinLayer(const unsigned char *in, int width, int height, const char *name, const unsigned int *palette, int textureflags, qboolean force)
+{
+       int i;
+       if (!force)
+       {
+               for (i = 0;i < width*height;i++)
+                       if (((unsigned char *)&palette[in[i]])[3] > 0)
+                               break;
+               if (i == width*height)
+                       return NULL;
+       }
+       return R_LoadTexture2D (r_main_texturepool, name, width, height, in, TEXTYPE_PALETTE, textureflags, palette);
+}
+
+skinframe_t *R_SkinFrame_LoadInternal(const char *name, int textureflags, int loadpantsandshirt, int loadglowtexture, const unsigned char *skindata, int width, int height, int bitsperpixel, const unsigned int *palette, const unsigned int *alphapalette)
+{
+       int i;
+       unsigned char *temp1, *temp2;
+       skinframe_t *skinframe;
+
+       if (cls.state == ca_dedicated)
+               return NULL;
+
+       // if already loaded just return it, otherwise make a new skinframe
+       skinframe = R_SkinFrame_Find(name, textureflags, width, height, skindata ? CRC_Block(skindata, width*height*bitsperpixel/8) : 0, true);
+       if (skinframe && skinframe->base)
+               return skinframe;
+
+       skinframe->stain = NULL;
+       skinframe->merged = NULL;
+       skinframe->base = r_texture_notexture;
+       skinframe->pants = NULL;
+       skinframe->shirt = NULL;
+       skinframe->nmap = r_texture_blanknormalmap;
+       skinframe->gloss = NULL;
+       skinframe->glow = NULL;
+       skinframe->fog = NULL;
+
+       // if no data was provided, then clearly the caller wanted to get a blank skinframe
+       if (!skindata)
+               return NULL;
+
+       if (bitsperpixel == 32)
+       {
+               if (r_shadow_bumpscale_basetexture.value > 0)
+               {
+                       temp1 = (unsigned char *)Mem_Alloc(tempmempool, width * height * 8);
+                       temp2 = temp1 + width * height * 4;
+                       Image_HeightmapToNormalmap(skindata, temp2, width, height, false, r_shadow_bumpscale_basetexture.value);
+                       skinframe->nmap = R_LoadTexture2D(r_main_texturepool, va("%s_nmap", skinframe->basename), width, height, temp2, TEXTYPE_RGBA, textureflags | TEXF_ALPHA, NULL);
+                       Mem_Free(temp1);
+               }
+               skinframe->base = skinframe->merged = R_LoadTexture2D(r_main_texturepool, skinframe->basename, width, height, skindata, TEXTYPE_RGBA, textureflags, NULL);
+               if (textureflags & TEXF_ALPHA)
+               {
+                       for (i = 3;i < width * height * 4;i += 4)
+                               if (skindata[i] < 255)
+                                       break;
+                       if (i < width * height * 4)
+                       {
+                               unsigned char *fogpixels = (unsigned char *)Mem_Alloc(tempmempool, width * height * 4);
+                               memcpy(fogpixels, skindata, width * height * 4);
+                               for (i = 0;i < width * height * 4;i += 4)
+                                       fogpixels[i] = fogpixels[i+1] = fogpixels[i+2] = 255;
+                               skinframe->fog = R_LoadTexture2D(r_main_texturepool, va("%s_fog", skinframe->basename), width, height, fogpixels, TEXTYPE_RGBA, textureflags, NULL);
+                               Mem_Free(fogpixels);
+                       }
+               }
+       }
+       else if (bitsperpixel == 8)
+       {
+               if (r_shadow_bumpscale_basetexture.value > 0)
+               {
+                       temp1 = (unsigned char *)Mem_Alloc(tempmempool, width * height * 8);
+                       temp2 = temp1 + width * height * 4;
+                       if (bitsperpixel == 32)
+                               Image_HeightmapToNormalmap(skindata, temp2, width, height, false, r_shadow_bumpscale_basetexture.value);
+                       else
+                       {
+                               // use either a custom palette or the quake palette
+                               Image_Copy8bitRGBA(skindata, temp1, width * height, palette ? palette : palette_complete);
+                               Image_HeightmapToNormalmap(temp1, temp2, width, height, false, r_shadow_bumpscale_basetexture.value);
+                       }
+                       skinframe->nmap = R_LoadTexture2D(r_main_texturepool, va("%s_nmap", skinframe->basename), width, height, temp2, TEXTYPE_RGBA, textureflags | TEXF_ALPHA, NULL);
+                       Mem_Free(temp1);
+               }
+               // use either a custom palette, or the quake palette
+               skinframe->base = skinframe->merged = R_SkinFrame_TextureForSkinLayer(skindata, width, height, va("%s_merged", skinframe->basename), palette ? palette : (loadglowtexture ? palette_nofullbrights : ((textureflags & TEXF_ALPHA) ? palette_transparent : palette_complete)), textureflags, true); // all
+               if (!palette && loadglowtexture)
+                       skinframe->glow = R_SkinFrame_TextureForSkinLayer(skindata, width, height, va("%s_glow", skinframe->basename), palette_onlyfullbrights, textureflags, false); // glow
+               if (!palette && loadpantsandshirt)
+               {
+                       skinframe->pants = R_SkinFrame_TextureForSkinLayer(skindata, width, height, va("%s_pants", skinframe->basename), palette_pantsaswhite, textureflags, false); // pants
+                       skinframe->shirt = R_SkinFrame_TextureForSkinLayer(skindata, width, height, va("%s_shirt", skinframe->basename), palette_shirtaswhite, textureflags, false); // shirt
+               }
+               if (skinframe->pants || skinframe->shirt)
+                       skinframe->base = R_SkinFrame_TextureForSkinLayer(skindata, width, height, va("%s_nospecial", skinframe->basename),loadglowtexture ? palette_nocolormapnofullbrights : palette_nocolormap, textureflags, false); // no special colors
+               if (textureflags & TEXF_ALPHA)
+               {
+                       // if not using a custom alphapalette, use the quake one
+                       if (!alphapalette)
+                               alphapalette = palette_alpha;
+                       for (i = 0;i < width * height;i++)
+                               if (((unsigned char *)alphapalette)[skindata[i]*4+3] < 255)
+                                       break;
+                       if (i < width * height)
+                               skinframe->fog = R_SkinFrame_TextureForSkinLayer(skindata, width, height, va("%s_fog", skinframe->basename), alphapalette, textureflags, true); // fog mask
+               }
+       }
+
+       return skinframe;
+}
+
+skinframe_t *R_SkinFrame_LoadMissing(void)
+{
+       skinframe_t *skinframe;
+
+       if (cls.state == ca_dedicated)
+               return NULL;
+
+       skinframe = R_SkinFrame_Find("missing", TEXF_PRECACHE, 0, 0, 0, true);
+       skinframe->stain = NULL;
+       skinframe->merged = NULL;
+       skinframe->base = r_texture_notexture;
+       skinframe->pants = NULL;
+       skinframe->shirt = NULL;
+       skinframe->nmap = r_texture_blanknormalmap;
+       skinframe->gloss = NULL;
+       skinframe->glow = NULL;
+       skinframe->fog = NULL;
+
+       return skinframe;
+}
+
 void gl_main_start(void)
 {
+       int x;
+       double r, alpha;
+
+       r = (-1.0/256.0) * (FOGMASKTABLEWIDTH * FOGMASKTABLEWIDTH);
+       for (x = 0;x < FOGMASKTABLEWIDTH;x++)
+       {
+               alpha = 1 - exp(r / ((double)x*(double)x));
+               if (x == FOGMASKTABLEWIDTH - 1)
+                       alpha = 0;
+               r_refdef.fogmasktable[x] = bound(0, alpha, 1);
+       }
+
+       memset(r_qwskincache, 0, sizeof(r_qwskincache));
+       memset(r_qwskincache_skinframe, 0, sizeof(r_qwskincache_skinframe));
+
+       // set up r_skinframe loading system for textures
+       memset(&r_skinframe, 0, sizeof(r_skinframe));
+       r_skinframe.loadsequence = 1;
+       Mem_ExpandableArray_NewArray(&r_skinframe.array, r_main_mempool, sizeof(skinframe_t), 256);
+
        r_main_texturepool = R_AllocTexturePool();
        R_BuildBlankTextures();
        R_BuildNoTexture();
@@ -1071,6 +1402,13 @@ void gl_main_start(void)
 
 void gl_main_shutdown(void)
 {
+       memset(r_qwskincache, 0, sizeof(r_qwskincache));
+       memset(r_qwskincache_skinframe, 0, sizeof(r_qwskincache_skinframe));
+
+       // clear out the r_skinframe state
+       Mem_ExpandableArray_FreeArray(&r_skinframe.array);
+       memset(&r_skinframe, 0, sizeof(r_skinframe));
+
        if (r_svbsp.nodes)
                Mem_Free(r_svbsp.nodes);
        memset(&r_svbsp, 0, sizeof (r_svbsp));
@@ -1114,8 +1452,19 @@ void GL_Main_Init(void)
        r_main_mempool = Mem_AllocPool("Renderer", 0, NULL);
 
        Cmd_AddCommand("r_glsl_restart", R_GLSL_Restart_f, "unloads GLSL shaders, they will then be reloaded as needed");
-       FOG_registercvars(); // FIXME: move this fog stuff to client?
+       // FIXME: the client should set up r_refdef.fog stuff including the fogmasktable
+       if (gamemode == GAME_NEHAHRA)
+       {
+               Cvar_RegisterVariable (&gl_fogenable);
+               Cvar_RegisterVariable (&gl_fogdensity);
+               Cvar_RegisterVariable (&gl_fogred);
+               Cvar_RegisterVariable (&gl_foggreen);
+               Cvar_RegisterVariable (&gl_fogblue);
+               Cvar_RegisterVariable (&gl_fogstart);
+               Cvar_RegisterVariable (&gl_fogend);
+       }
        Cvar_RegisterVariable(&r_nearclip);
+       Cvar_RegisterVariable(&r_showbboxes);
        Cvar_RegisterVariable(&r_showsurfaces);
        Cvar_RegisterVariable(&r_showtris);
        Cvar_RegisterVariable(&r_shownormals);
@@ -1361,14 +1710,14 @@ static void R_View_UpdateEntityVisible (void)
                for (i = 0;i < r_refdef.numentities;i++)
                {
                        ent = r_refdef.entities[i];
-                       r_viewcache.entityvisible[i] = !(ent->flags & renderimask) && !R_CullBox(ent->mins, ent->maxs) && ((ent->effects & EF_NODEPTHTEST) || r_refdef.worldmodel->brush.BoxTouchingVisibleLeafs(r_refdef.worldmodel, r_viewcache.world_leafvisible, ent->mins, ent->maxs));
+                       r_viewcache.entityvisible[i] = !(ent->flags & renderimask) && !R_CullBox(ent->mins, ent->maxs) && ((ent->effects & EF_NODEPTHTEST) || (ent->flags & RENDER_VIEWMODEL) || r_refdef.worldmodel->brush.BoxTouchingVisibleLeafs(r_refdef.worldmodel, r_viewcache.world_leafvisible, ent->mins, ent->maxs));
                }
                if(r_cullentities_trace.integer)
                {
                        for (i = 0;i < r_refdef.numentities;i++)
                        {
                                ent = r_refdef.entities[i];
-                               if(r_viewcache.entityvisible[i] && !(ent->effects & EF_NODEPTHTEST) && !(ent->model && (ent->model->name[0] == '*')))
+                               if(r_viewcache.entityvisible[i] && !(ent->effects & EF_NODEPTHTEST) && !(ent->flags & RENDER_VIEWMODEL) && !(ent->model && (ent->model->name[0] == '*')))
                                {
                                        if(Mod_CanSeeBox_Trace(r_cullentities_trace_samples.integer, r_cullentities_trace_enlarge.value, r_refdef.worldmodel, r_view.origin, ent->mins, ent->maxs))
                                                ent->last_trace_visibility = realtime;
@@ -1604,6 +1953,7 @@ void R_ResetViewRendering2D(void)
        GL_AlphaTest(false);
        GL_ScissorTest(false);
        GL_DepthMask(false);
+       GL_DepthRange(0, 1);
        GL_DepthTest(false);
        R_Mesh_Matrix(&identitymatrix);
        R_Mesh_ResetTextureState();
@@ -1636,6 +1986,7 @@ void R_ResetViewRendering3D(void)
        GL_AlphaTest(false);
        GL_ScissorTest(true);
        GL_DepthMask(true);
+       GL_DepthRange(0, 1);
        GL_DepthTest(true);
        R_Mesh_Matrix(&identitymatrix);
        R_Mesh_ResetTextureState();
@@ -2126,7 +2477,7 @@ void R_UpdateVariables(void)
                // (0.9986 * 256 == 255.6)
                r_refdef.fogrange = 400 / r_refdef.fog_density;
                r_refdef.fograngerecip = 1.0f / r_refdef.fogrange;
-               r_refdef.fogtabledistmultiplier = FOGTABLEWIDTH * r_refdef.fograngerecip;
+               r_refdef.fogmasktabledistmultiplier = FOGMASKTABLEWIDTH * r_refdef.fograngerecip;
                // fog color was already set
        }
        else
@@ -2182,6 +2533,7 @@ extern void VM_CL_AddPolygonsToMeshQueue (void);
 extern void R_DrawPortals (void);
 extern cvar_t cl_locs_show;
 static void R_DrawLocs(void);
+static void R_DrawEntityBBoxes(void);
 void R_RenderScene(void)
 {
        // don't let sound skip if going slow
@@ -2286,6 +2638,13 @@ void R_RenderScene(void)
                        R_TimeReport("portals");
        }
 
+       if (r_showbboxes.value > 0)
+       {
+               R_DrawEntityBBoxes();
+               if (r_timereport_active)
+                       R_TimeReport("bboxes");
+       }
+
        if (gl_support_fragment_shader)
        {
                qglUseProgramObjectARB(0);CHECKGLERROR
@@ -2313,17 +2672,27 @@ void R_RenderScene(void)
        R_ResetViewRendering2D();
 }
 
-/*
+static const int bboxelements[36] =
+{
+       5, 1, 3, 5, 3, 7,
+       6, 2, 0, 6, 0, 4,
+       7, 3, 2, 7, 2, 6,
+       4, 0, 1, 4, 1, 5,
+       4, 5, 7, 4, 7, 6,
+       1, 0, 2, 1, 2, 3,
+};
+
 void R_DrawBBoxMesh(vec3_t mins, vec3_t maxs, float cr, float cg, float cb, float ca)
 {
        int i;
-       float *v, *c, f1, f2, diff[3], vertex3f[8*3], color4f[8*4];
+       float *v, *c, f1, f2, vertex3f[8*3], color4f[8*4];
        GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
        GL_DepthMask(false);
-       GL_DepthTest(true);
+       GL_DepthRange(0, 1);
        R_Mesh_Matrix(&identitymatrix);
+       R_Mesh_ResetTextureState();
 
-       vertex3f[ 0] = mins[0];vertex3f[ 1] = mins[1];vertex3f[ 2] = mins[2];
+       vertex3f[ 0] = mins[0];vertex3f[ 1] = mins[1];vertex3f[ 2] = mins[2]; //
        vertex3f[ 3] = maxs[0];vertex3f[ 4] = mins[1];vertex3f[ 5] = mins[2];
        vertex3f[ 6] = mins[0];vertex3f[ 7] = maxs[1];vertex3f[ 8] = mins[2];
        vertex3f[ 9] = maxs[0];vertex3f[10] = maxs[1];vertex3f[11] = mins[2];
@@ -2331,24 +2700,73 @@ void R_DrawBBoxMesh(vec3_t mins, vec3_t maxs, float cr, float cg, float cb, floa
        vertex3f[15] = maxs[0];vertex3f[16] = mins[1];vertex3f[17] = maxs[2];
        vertex3f[18] = mins[0];vertex3f[19] = maxs[1];vertex3f[20] = maxs[2];
        vertex3f[21] = maxs[0];vertex3f[22] = maxs[1];vertex3f[23] = maxs[2];
-       R_FillColors(color, 8, cr, cg, cb, ca);
+       R_FillColors(color4f, 8, cr, cg, cb, ca);
        if (r_refdef.fogenabled)
        {
-               for (i = 0, v = vertex, c = color;i < 8;i++, v += 4, c += 4)
+               for (i = 0, v = vertex3f, c = color4f;i < 8;i++, v += 3, c += 4)
                {
-                       f2 = VERTEXFOGTABLE(VectorDistance(v, r_view.origin));
-                       f1 = 1 - f2;
+                       f1 = FogPoint_World(v);
+                       f2 = 1 - f1;
                        c[0] = c[0] * f1 + r_refdef.fogcolor[0] * f2;
                        c[1] = c[1] * f1 + r_refdef.fogcolor[1] * f2;
                        c[2] = c[2] * f1 + r_refdef.fogcolor[2] * f2;
                }
        }
        R_Mesh_VertexPointer(vertex3f, 0, 0);
-       R_Mesh_ColorPointer(color, 0, 0);
+       R_Mesh_ColorPointer(color4f, 0, 0);
        R_Mesh_ResetTextureState();
-       R_Mesh_Draw(8, 12, 0, 0);
+       R_Mesh_Draw(0, 8, 12, bboxelements, 0, 0);
+}
+
+static void R_DrawEntityBBoxes_Callback(const entity_render_t *ent, const rtlight_t *rtlight, int numsurfaces, int *surfacelist)
+{
+       int i;
+       float color[4];
+       prvm_edict_t *edict;
+       // this function draws bounding boxes of server entities
+       if (!sv.active)
+               return;
+       SV_VM_Begin();
+       for (i = 0;i < numsurfaces;i++)
+       {
+               edict = PRVM_EDICT_NUM(surfacelist[i]);
+               switch ((int)edict->fields.server->solid)
+               {
+                       case SOLID_NOT:      Vector4Set(color, 1, 1, 1, 0.05);break;
+                       case SOLID_TRIGGER:  Vector4Set(color, 1, 0, 1, 0.10);break;
+                       case SOLID_BBOX:     Vector4Set(color, 0, 1, 0, 0.10);break;
+                       case SOLID_SLIDEBOX: Vector4Set(color, 1, 0, 0, 0.10);break;
+                       case SOLID_BSP:      Vector4Set(color, 0, 0, 1, 0.05);break;
+                       default:             Vector4Set(color, 0, 0, 0, 0.50);break;
+               }
+               color[3] *= r_showbboxes.value;
+               color[3] = bound(0, color[3], 1);
+               GL_DepthTest(!r_showdisabledepthtest.integer);
+               GL_CullFace(GL_BACK);
+               R_DrawBBoxMesh(edict->priv.server->areamins, edict->priv.server->areamaxs, color[0], color[1], color[2], color[3]);
+       }
+       SV_VM_End();
+}
+
+static void R_DrawEntityBBoxes(void)
+{
+       int i;
+       prvm_edict_t *edict;
+       vec3_t center;
+       // this function draws bounding boxes of server entities
+       if (!sv.active)
+               return;
+       SV_VM_Begin();
+       for (i = 0;i < prog->num_edicts;i++)
+       {
+               edict = PRVM_EDICT_NUM(i);
+               if (edict->priv.server->free)
+                       continue;
+               VectorLerp(edict->priv.server->areamins, 0.5f, edict->priv.server->areamaxs, center);
+               R_MeshQueue_AddTransparent(center, R_DrawEntityBBoxes_Callback, (entity_render_t *)NULL, i, (rtlight_t *)NULL);
+       }
+       SV_VM_End();
 }
-*/
 
 int nomodelelements[24] =
 {
@@ -2406,6 +2824,7 @@ void R_DrawNoModel_TransparentCallback(const entity_render_t *ent, const rtlight
                GL_BlendFunc(GL_ONE, GL_ZERO);
                GL_DepthMask(true);
        }
+       GL_DepthRange(0, (ent->flags & RENDER_VIEWMODEL) ? 0.0625 : 1);
        GL_DepthTest(!(ent->effects & EF_NODEPTHTEST));
        GL_CullFace((ent->effects & EF_DOUBLESIDED) ? GL_NONE : GL_FRONT); // quake is backwards, this culls back faces
        R_Mesh_VertexPointer(nomodelvertex3f, 0, 0);
@@ -2415,8 +2834,8 @@ void R_DrawNoModel_TransparentCallback(const entity_render_t *ent, const rtlight
                memcpy(color4f, nomodelcolor4f, sizeof(float[6*4]));
                R_Mesh_ColorPointer(color4f, 0, 0);
                Matrix4x4_OriginFromMatrix(&ent->matrix, org);
-               f2 = VERTEXFOGTABLE(VectorDistance(org, r_view.origin));
-               f1 = 1 - f2;
+               f1 = FogPoint_World(org);
+               f2 = 1 - f1;
                for (i = 0, c = color4f;i < 6;i++, c += 4)
                {
                        c[0] = (c[0] * f1 + r_refdef.fogcolor[0] * f2);
@@ -2480,18 +2899,18 @@ void R_CalcBeam_Vertex3f (float *vert, const vec3_t org1, const vec3_t org2, flo
 
 float spritetexcoord2f[4*2] = {0, 1, 0, 0, 1, 0, 1, 1};
 
-void R_DrawSprite(int blendfunc1, int blendfunc2, rtexture_t *texture, rtexture_t *fogtexture, int depthdisable, const vec3_t origin, const vec3_t left, const vec3_t up, float scalex1, float scalex2, float scaley1, float scaley2, float cr, float cg, float cb, float ca)
+void R_DrawSprite(int blendfunc1, int blendfunc2, rtexture_t *texture, rtexture_t *fogtexture, qboolean depthdisable, qboolean depthshort, const vec3_t origin, const vec3_t left, const vec3_t up, float scalex1, float scalex2, float scaley1, float scaley2, float cr, float cg, float cb, float ca)
 {
-       float fog = 0.0f, ifog;
+       float fog = 1.0f;
        float vertex3f[12];
 
        if (r_refdef.fogenabled)
-               fog = VERTEXFOGTABLE(VectorDistance(origin, r_view.origin));
-       ifog = 1 - fog;
+               fog = FogPoint_World(origin);
 
        R_Mesh_Matrix(&identitymatrix);
        GL_BlendFunc(blendfunc1, blendfunc2);
        GL_DepthMask(false);
+       GL_DepthRange(0, depthshort ? 0.0625 : 1);
        GL_DepthTest(!depthdisable);
 
        vertex3f[ 0] = origin[0] + left[0] * scalex2 + up[0] * scaley1;
@@ -2513,13 +2932,14 @@ void R_DrawSprite(int blendfunc1, int blendfunc2, rtexture_t *texture, rtexture_
        R_Mesh_TexBind(0, R_GetTexture(texture));
        R_Mesh_TexCoordPointer(0, 2, spritetexcoord2f, 0, 0);
        // FIXME: fixed function path can't properly handle r_view.colorscale > 1
-       GL_Color(cr * ifog * r_view.colorscale, cg * ifog * r_view.colorscale, cb * ifog * r_view.colorscale, ca);
+       GL_Color(cr * fog * r_view.colorscale, cg * fog * r_view.colorscale, cb * fog * r_view.colorscale, ca);
        R_Mesh_Draw(0, 4, 2, polygonelements, 0, 0);
 
        if (blendfunc2 == GL_ONE_MINUS_SRC_ALPHA)
        {
                R_Mesh_TexBind(0, R_GetTexture(fogtexture));
                GL_BlendFunc(blendfunc1, GL_ONE);
+               fog = 1 - fog;
                GL_Color(r_refdef.fogcolor[0] * fog * r_view.colorscale, r_refdef.fogcolor[1] * fog * r_view.colorscale, r_refdef.fogcolor[2] * fog * r_view.colorscale, ca);
                R_Mesh_Draw(0, 4, 2, polygonelements, 0, 0);
        }
@@ -2665,6 +3085,7 @@ static void R_Texture_AddLayer(texture_t *t, qboolean depthmask, int blendfunc1,
 
 void R_UpdateTextureInfo(const entity_render_t *ent, texture_t *t)
 {
+       int i;
        model_t *model = ent->model;
 
        // switch to an alternate material if this is a q1bsp animated material
@@ -2694,11 +3115,23 @@ void R_UpdateTextureInfo(const entity_render_t *ent, texture_t *t)
                texture->currentframe = t;
        }
 
-       // pick a new currentskinframe if the material is animated
-       if (t->numskinframes >= 2)
-               t->currentskinframe = t->skinframes + ((int)(t->skinframerate * (cl.time - ent->frame2time)) % t->numskinframes);
+       // update currentskinframe to be a qw skin or animation frame
+       if ((i = ent->entitynumber - 1) >= 0 && i < cl.maxclients)
+       {
+               if (strcmp(r_qwskincache[i], cl.scores[i].qw_skin))
+               {
+                       strlcpy(r_qwskincache[i], cl.scores[i].qw_skin, sizeof(r_qwskincache[i]));
+                       Con_DPrintf("loading skins/%s\n", r_qwskincache[i]);
+                       r_qwskincache_skinframe[i] = R_SkinFrame_LoadExternal(va("skins/%s", r_qwskincache[i]), TEXF_PRECACHE | (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_PICMIP, developer.integer > 0);
+               }
+               t->currentskinframe = r_qwskincache_skinframe[i];
+               if (t->currentskinframe == NULL)
+                       t->currentskinframe = t->skinframes[(int)(t->skinframerate * (cl.time - ent->frame2time)) % t->numskinframes];
+       }
+       else if (t->numskinframes >= 2)
+               t->currentskinframe = t->skinframes[(int)(t->skinframerate * (cl.time - ent->frame2time)) % t->numskinframes];
        if (t->backgroundnumskinframes >= 2)
-               t->backgroundcurrentskinframe = t->backgroundskinframes + ((int)(t->backgroundskinframerate * (cl.time - ent->frame2time)) % t->backgroundnumskinframes);
+               t->backgroundcurrentskinframe = t->backgroundskinframes[(int)(t->backgroundskinframerate * (cl.time - ent->frame2time)) % t->backgroundnumskinframes];
 
        t->currentmaterialflags = t->basematerialflags;
        t->currentalpha = ent->alpha;
@@ -2713,7 +3146,9 @@ void R_UpdateTextureInfo(const entity_render_t *ent, texture_t *t)
        if (ent->effects & EF_DOUBLESIDED)
                t->currentmaterialflags |= MATERIALFLAG_NOSHADOW | MATERIALFLAG_NOCULLFACE;
        if (ent->effects & EF_NODEPTHTEST)
-               t->currentmaterialflags |= MATERIALFLAG_NODEPTHTEST | MATERIALFLAG_NOSHADOW;
+               t->currentmaterialflags |= MATERIALFLAG_SHORTDEPTHRANGE;
+       if (ent->flags & RENDER_VIEWMODEL)
+               t->currentmaterialflags |= MATERIALFLAG_SHORTDEPTHRANGE;
        if (t->currentmaterialflags & MATERIALFLAG_WATER && r_waterscroll.value != 0)
                t->currenttexmatrix = r_waterscrollmatrix;
        else
@@ -2841,7 +3276,7 @@ void R_UpdateAllTextureInfo(entity_render_t *ent)
 {
        int i;
        if (ent->model)
-               for (i = 0;i < ent->model->num_textures;i++)
+               for (i = 0;i < ent->model->num_texturesperskin;i++)
                        R_UpdateTextureInfo(ent, ent->model->data_textures + i);
 }
 
@@ -2910,7 +3345,8 @@ qboolean rsurface_generatedvertex;
 const entity_render_t *rsurface_entity;
 const model_t *rsurface_model;
 texture_t *rsurface_texture;
-qboolean rsurface_uselightmaptexture;
+rtexture_t *rsurface_lightmaptexture;
+rtexture_t *rsurface_deluxemaptexture;
 rsurfmode_t rsurface_mode;
 int rsurface_lightmode; // 0 = lightmap or fullbright, 1 = color array from q3bsp, 2 = vertex shaded model
 
@@ -2923,7 +3359,8 @@ void RSurf_CleanUp(void)
        }
        GL_AlphaTest(false);
        rsurface_mode = RSURFMODE_NONE;
-       rsurface_uselightmaptexture = false;
+       rsurface_lightmaptexture = NULL;
+       rsurface_deluxemaptexture = NULL;
        rsurface_texture = NULL;
 }
 
@@ -3213,112 +3650,6 @@ void RSurf_DrawBatch_Simple(int texturenumsurfaces, msurface_t **texturesurfacel
        }
 }
 
-static void RSurf_DrawBatch_WithLightmapSwitching(int texturenumsurfaces, msurface_t **texturesurfacelist, int lightmaptexunit, int deluxemaptexunit)
-{
-       int i;
-       int j;
-       const msurface_t *surface = texturesurfacelist[0];
-       const msurface_t *surface2;
-       int firstvertex;
-       int endvertex;
-       int numvertices;
-       int numtriangles;
-       // TODO: lock all array ranges before render, rather than on each surface
-       if (texturenumsurfaces == 1)
-       {
-               R_Mesh_TexBind(lightmaptexunit, R_GetTexture(surface->lightmaptexture));
-               if (deluxemaptexunit >= 0)
-                       R_Mesh_TexBind(deluxemaptexunit, R_GetTexture(surface->deluxemaptexture));
-               GL_LockArrays(surface->num_firstvertex, surface->num_vertices);
-               R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, (rsurface_model->surfmesh.data_element3i + 3 * surface->num_firsttriangle), rsurface_model->surfmesh.ebo, (sizeof(int[3]) * surface->num_firsttriangle));
-       }
-       else if (r_batchmode.integer == 2)
-       {
-               #define MAXBATCHTRIANGLES 4096
-               int batchtriangles = 0;
-               int batchelements[MAXBATCHTRIANGLES*3];
-               for (i = 0;i < texturenumsurfaces;i = j)
-               {
-                       surface = texturesurfacelist[i];
-                       R_Mesh_TexBind(lightmaptexunit, R_GetTexture(surface->lightmaptexture));
-                       if (deluxemaptexunit >= 0)
-                               R_Mesh_TexBind(deluxemaptexunit, R_GetTexture(surface->deluxemaptexture));
-                       j = i + 1;
-                       if (surface->num_triangles > MAXBATCHTRIANGLES)
-                       {
-                               R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, (rsurface_model->surfmesh.data_element3i + 3 * surface->num_firsttriangle), rsurface_model->surfmesh.ebo, (sizeof(int[3]) * surface->num_firsttriangle));
-                               continue;
-                       }
-                       memcpy(batchelements, rsurface_model->surfmesh.data_element3i + 3 * surface->num_firsttriangle, surface->num_triangles * sizeof(int[3]));
-                       batchtriangles = surface->num_triangles;
-                       firstvertex = surface->num_firstvertex;
-                       endvertex = surface->num_firstvertex + surface->num_vertices;
-                       for (;j < texturenumsurfaces;j++)
-                       {
-                               surface2 = texturesurfacelist[j];
-                               if (surface2->lightmaptexture != surface->lightmaptexture || batchtriangles + surface2->num_triangles > MAXBATCHTRIANGLES)
-                                       break;
-                               memcpy(batchelements + batchtriangles * 3, rsurface_model->surfmesh.data_element3i + 3 * surface2->num_firsttriangle, surface2->num_triangles * sizeof(int[3]));
-                               batchtriangles += surface2->num_triangles;
-                               firstvertex = min(firstvertex, surface2->num_firstvertex);
-                               endvertex = max(endvertex, surface2->num_firstvertex + surface2->num_vertices);
-                       }
-                       surface2 = texturesurfacelist[j-1];
-                       numvertices = endvertex - firstvertex;
-                       R_Mesh_Draw(firstvertex, numvertices, batchtriangles, batchelements, 0, 0);
-               }
-       }
-       else if (r_batchmode.integer == 1)
-       {
-#if 0
-               Con_Printf("%s batch sizes ignoring lightmap:", rsurface_texture->name);
-               for (i = 0;i < texturenumsurfaces;i = j)
-               {
-                       surface = texturesurfacelist[i];
-                       for (j = i + 1, surface2 = surface + 1;j < texturenumsurfaces;j++, surface2++)
-                               if (texturesurfacelist[j] != surface2)
-                                       break;
-                       Con_Printf(" %i", j - i);
-               }
-               Con_Printf("\n");
-               Con_Printf("%s batch sizes honoring lightmap:", rsurface_texture->name);
-#endif
-               for (i = 0;i < texturenumsurfaces;i = j)
-               {
-                       surface = texturesurfacelist[i];
-                       R_Mesh_TexBind(lightmaptexunit, R_GetTexture(surface->lightmaptexture));
-                       if (deluxemaptexunit >= 0)
-                               R_Mesh_TexBind(deluxemaptexunit, R_GetTexture(surface->deluxemaptexture));
-                       for (j = i + 1, surface2 = surface + 1;j < texturenumsurfaces;j++, surface2++)
-                               if (texturesurfacelist[j] != surface2 || texturesurfacelist[j]->lightmaptexture != surface->lightmaptexture)
-                                       break;
-#if 0
-                       Con_Printf(" %i", j - i);
-#endif
-                       surface2 = texturesurfacelist[j-1];
-                       numvertices = surface2->num_firstvertex + surface2->num_vertices - surface->num_firstvertex;
-                       numtriangles = surface2->num_firsttriangle + surface2->num_triangles - surface->num_firsttriangle;
-                       GL_LockArrays(surface->num_firstvertex, numvertices);
-                       R_Mesh_Draw(surface->num_firstvertex, numvertices, numtriangles, (rsurface_model->surfmesh.data_element3i + 3 * surface->num_firsttriangle), rsurface_model->surfmesh.ebo, (sizeof(int[3]) * surface->num_firsttriangle));
-               }
-#if 0
-               Con_Printf("\n");
-#endif
-       }
-       else
-       {
-               for (i = 0;i < texturenumsurfaces;i++)
-               {
-                       surface = texturesurfacelist[i];
-                       R_Mesh_TexBind(lightmaptexunit, R_GetTexture(surface->lightmaptexture));
-                       if (deluxemaptexunit >= 0)
-                               R_Mesh_TexBind(deluxemaptexunit, R_GetTexture(surface->deluxemaptexture));
-                       GL_LockArrays(surface->num_firstvertex, surface->num_vertices);
-                       R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, (rsurface_model->surfmesh.data_element3i + 3 * surface->num_firsttriangle), rsurface_model->surfmesh.ebo, (sizeof(int[3]) * surface->num_firsttriangle));
-               }
-       }
-}
-
 static void RSurf_DrawBatch_ShowSurfaces(int texturenumsurfaces, msurface_t **texturesurfacelist)
 {
        int j;
@@ -3363,7 +3694,7 @@ static void RSurf_DrawBatch_GL11_ApplyFog(int texturenumsurfaces, msurface_t **t
                        const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
                        for (i = 0, v = (rsurface_vertex3f + 3 * surface->num_firstvertex), c = (rsurface_lightmapcolor4f + 4 * surface->num_firstvertex), c2 = (rsurface_array_color4f + 4 * surface->num_firstvertex);i < surface->num_vertices;i++, v += 3, c += 4, c2 += 4)
                        {
-                               f = 1 - VERTEXFOGTABLE(VectorDistance(v, rsurface_modelorg));
+                               f = FogPoint_Model(v);
                                c2[0] = c[0] * f;
                                c2[1] = c[1] * f;
                                c2[2] = c[2] * f;
@@ -3378,7 +3709,7 @@ static void RSurf_DrawBatch_GL11_ApplyFog(int texturenumsurfaces, msurface_t **t
                        const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
                        for (i = 0, v = (rsurface_vertex3f + 3 * surface->num_firstvertex), c2 = (rsurface_array_color4f + 4 * surface->num_firstvertex);i < surface->num_vertices;i++, v += 3, c2 += 4)
                        {
-                               f = 1 - VERTEXFOGTABLE(VectorDistance(v, rsurface_modelorg));
+                               f = FogPoint_Model(v);
                                c2[0] = f;
                                c2[1] = f;
                                c2[2] = f;
@@ -3424,7 +3755,8 @@ static void RSurf_DrawBatch_GL11_Lightmap(int texturenumsurfaces, msurface_t **t
        if (applycolor) RSurf_DrawBatch_GL11_ApplyColor(texturenumsurfaces, texturesurfacelist, r, g, b, a);
        R_Mesh_ColorPointer(rsurface_lightmapcolor4f, rsurface_lightmapcolor4f_bufferobject, rsurface_lightmapcolor4f_bufferoffset);
        GL_Color(r, g, b, a);
-       RSurf_DrawBatch_WithLightmapSwitching(texturenumsurfaces, texturesurfacelist, 0, -1);
+       R_Mesh_TexBind(0, R_GetTexture(rsurface_lightmaptexture));
+       RSurf_DrawBatch_Simple(texturenumsurfaces, texturesurfacelist);
 }
 
 static void RSurf_DrawBatch_GL11_Unlit(int texturenumsurfaces, msurface_t **texturesurfacelist, float r, float g, float b, float a, qboolean applycolor, qboolean applyfog)
@@ -3567,6 +3899,7 @@ static void RSurf_DrawBatch_GL11_VertexShade(int texturenumsurfaces, msurface_t
 
 static void R_DrawTextureSurfaceList_ShowSurfaces(int texturenumsurfaces, msurface_t **texturesurfacelist)
 {
+       GL_DepthRange(0, (rsurface_texture->currentmaterialflags & MATERIALFLAG_SHORTDEPTHRANGE) ? 0.0625 : 1);
        GL_DepthTest(!(rsurface_texture->currentmaterialflags & MATERIALFLAG_NODEPTHTEST));
        GL_CullFace((rsurface_texture->currentmaterialflags & MATERIALFLAG_NOCULLFACE) ? GL_NONE : GL_FRONT); // quake is backwards, this culls back faces
        if (rsurface_mode != RSURFMODE_SHOWSURFACES)
@@ -3601,6 +3934,7 @@ static void R_DrawTextureSurfaceList_Sky(int texturenumsurfaces, msurface_t **te
                // restore entity matrix
                R_Mesh_Matrix(&rsurface_entity->matrix);
        }
+       GL_DepthRange(0, (rsurface_texture->currentmaterialflags & MATERIALFLAG_SHORTDEPTHRANGE) ? 0.0625 : 1);
        GL_DepthTest(!(rsurface_texture->currentmaterialflags & MATERIALFLAG_NODEPTHTEST));
        GL_CullFace((rsurface_texture->currentmaterialflags & MATERIALFLAG_NOCULLFACE) ? GL_NONE : GL_FRONT); // quake is backwards, this culls back faces
        GL_DepthMask(true);
@@ -3664,11 +3998,11 @@ static void R_DrawTextureSurfaceList_GL20(int texturenumsurfaces, msurface_t **t
                        R_Mesh_TexBind(8, R_GetTexture(r_texture_blanknormalmap));
                R_Mesh_ColorPointer(NULL, 0, 0);
        }
-       else if (rsurface_uselightmaptexture)
+       else if (rsurface_lightmaptexture)
        {
-               R_Mesh_TexBind(7, R_GetTexture(texturesurfacelist[0]->lightmaptexture));
+               R_Mesh_TexBind(7, R_GetTexture(rsurface_lightmaptexture));
                if (r_glsl_permutation->loc_Texture_Deluxemap >= 0)
-                       R_Mesh_TexBind(8, R_GetTexture(texturesurfacelist[0]->deluxemaptexture));
+                       R_Mesh_TexBind(8, R_GetTexture(rsurface_deluxemaptexture));
                R_Mesh_ColorPointer(NULL, 0, 0);
        }
        else
@@ -3679,10 +4013,13 @@ static void R_DrawTextureSurfaceList_GL20(int texturenumsurfaces, msurface_t **t
                R_Mesh_ColorPointer(rsurface_model->surfmesh.data_lightmapcolor4f, rsurface_model->surfmesh.vbo, rsurface_model->surfmesh.vbooffset_lightmapcolor4f);
        }
 
-       if (rsurface_uselightmaptexture && !(rsurface_texture->currentmaterialflags & MATERIALFLAG_FULLBRIGHT))
-               RSurf_DrawBatch_WithLightmapSwitching(texturenumsurfaces, texturesurfacelist, 7, r_glsl_permutation->loc_Texture_Deluxemap >= 0 ? 8 : -1);
-       else
-               RSurf_DrawBatch_Simple(texturenumsurfaces, texturesurfacelist);
+       if (rsurface_lightmaptexture && !(rsurface_texture->currentmaterialflags & MATERIALFLAG_FULLBRIGHT))
+       {
+               R_Mesh_TexBind(7, R_GetTexture(rsurface_lightmaptexture));
+               if (r_glsl_permutation->loc_Texture_Deluxemap >= 0)
+                       R_Mesh_TexBind(8, R_GetTexture(rsurface_deluxemaptexture));
+       }
+       RSurf_DrawBatch_Simple(texturenumsurfaces, texturesurfacelist);
        if (rsurface_texture->backgroundnumskinframes && !(rsurface_texture->currentmaterialflags & MATERIALFLAGMASK_DEPTHSORTED))
        {
        }
@@ -3752,7 +4089,7 @@ static void R_DrawTextureSurfaceList_GL13(int texturenumsurfaces, msurface_t **t
                        R_Mesh_TextureState(&m);
                        if (rsurface_lightmode == 2)
                                RSurf_DrawBatch_GL11_VertexShade(texturenumsurfaces, texturesurfacelist, layercolor[0], layercolor[1], layercolor[2], layercolor[3], applycolor, applyfog);
-                       else if (rsurface_uselightmaptexture)
+                       else if (rsurface_lightmaptexture)
                                RSurf_DrawBatch_GL11_Lightmap(texturenumsurfaces, texturesurfacelist, layercolor[0], layercolor[1], layercolor[2], layercolor[3], applycolor, applyfog);
                        else
                                RSurf_DrawBatch_GL11_VertexColor(texturenumsurfaces, texturesurfacelist, layercolor[0], layercolor[1], layercolor[2], layercolor[3], applycolor, applyfog);
@@ -3789,7 +4126,7 @@ static void R_DrawTextureSurfaceList_GL13(int texturenumsurfaces, msurface_t **t
                                const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
                                for (i = 0, v = (rsurface_vertex3f + 3 * surface->num_firstvertex), c = (rsurface_array_color4f + 4 * surface->num_firstvertex);i < surface->num_vertices;i++, v += 3, c += 4)
                                {
-                                       f = VERTEXFOGTABLE(VectorDistance(v, rsurface_modelorg));
+                                       f = 1 - FogPoint_Model(v);
                                        c[0] = layercolor[0];
                                        c[1] = layercolor[1];
                                        c[2] = layercolor[2];
@@ -3853,7 +4190,7 @@ static void R_DrawTextureSurfaceList_GL11(int texturenumsurfaces, msurface_t **t
                                R_Mesh_TextureState(&m);
                                if (rsurface_lightmode == 2)
                                        RSurf_DrawBatch_GL11_VertexShade(texturenumsurfaces, texturesurfacelist, 1, 1, 1, 1, false, false);
-                               else if (rsurface_uselightmaptexture)
+                               else if (rsurface_lightmaptexture)
                                        RSurf_DrawBatch_GL11_Lightmap(texturenumsurfaces, texturesurfacelist, 1, 1, 1, 1, false, false);
                                else
                                        RSurf_DrawBatch_GL11_VertexColor(texturenumsurfaces, texturesurfacelist, 1, 1, 1, 1, false, false);
@@ -3919,7 +4256,7 @@ static void R_DrawTextureSurfaceList_GL11(int texturenumsurfaces, msurface_t **t
                                const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
                                for (i = 0, v = (rsurface_vertex3f + 3 * surface->num_firstvertex), c = (rsurface_array_color4f + 4 * surface->num_firstvertex);i < surface->num_vertices;i++, v += 3, c += 4)
                                {
-                                       f = VERTEXFOGTABLE(VectorDistance(v, rsurface_modelorg));
+                                       f = 1 - FogPoint_Model(v);
                                        c[0] = layer->color[0];
                                        c[1] = layer->color[1];
                                        c[2] = layer->color[2];
@@ -3954,6 +4291,7 @@ static void R_DrawTextureSurfaceList(int texturenumsurfaces, msurface_t **textur
                R_DrawTextureSurfaceList_Sky(texturenumsurfaces, texturesurfacelist);
        else if (rsurface_texture->currentnumlayers)
        {
+               GL_DepthRange(0, (rsurface_texture->currentmaterialflags & MATERIALFLAG_SHORTDEPTHRANGE) ? 0.0625 : 1);
                GL_DepthTest(!(rsurface_texture->currentmaterialflags & MATERIALFLAG_NODEPTHTEST));
                GL_CullFace((rsurface_texture->currentmaterialflags & MATERIALFLAG_NOCULLFACE) ? GL_NONE : GL_FRONT); // quake is backwards, this culls back faces
                GL_BlendFunc(rsurface_texture->currentlayers[0].blendfunc1, rsurface_texture->currentlayers[0].blendfunc2);
@@ -3998,7 +4336,8 @@ static void R_DrawSurface_TransparentCallback(const entity_render_t *ent, const
                texture = surface->texture;
                R_UpdateTextureInfo(ent, texture);
                rsurface_texture = texture->currentframe;
-               rsurface_uselightmaptexture = surface->lightmaptexture != NULL;
+               rsurface_lightmaptexture = surface->lightmaptexture;
+               rsurface_deluxemaptexture = surface->deluxemaptexture;
                // scan ahead until we find a different texture
                endsurface = min(i + 1024, numsurfaces);
                texturenumsurfaces = 0;
@@ -4006,7 +4345,7 @@ static void R_DrawSurface_TransparentCallback(const entity_render_t *ent, const
                for (;j < endsurface;j++)
                {
                        surface = rsurface_model->data_surfaces + surfacelist[j];
-                       if (texture != surface->texture || rsurface_uselightmaptexture != (surface->lightmaptexture != NULL))
+                       if (texture != surface->texture || rsurface_lightmaptexture != surface->lightmaptexture)
                                break;
                        texturesurfacelist[texturenumsurfaces++] = surface;
                }
@@ -4032,7 +4371,8 @@ void R_QueueSurfaceList(int numsurfaces, msurface_t **surfacelist, int flagsmask
                // use skin 1 instead)
                texture = surfacelist[i]->texture;
                rsurface_texture = texture->currentframe;
-               rsurface_uselightmaptexture = surfacelist[i]->lightmaptexture != NULL;
+               rsurface_lightmaptexture = surfacelist[i]->lightmaptexture;
+               rsurface_deluxemaptexture = surfacelist[i]->deluxemaptexture;
                if (!(rsurface_texture->currentmaterialflags & flagsmask))
                {
                        // if this texture is not the kind we want, skip ahead to the next one
@@ -4053,7 +4393,7 @@ void R_QueueSurfaceList(int numsurfaces, msurface_t **surfacelist, int flagsmask
                else
                {
                        // simply scan ahead until we find a different texture or lightmap state
-                       for (;j < numsurfaces && texture == surfacelist[j]->texture && rsurface_uselightmaptexture == (surfacelist[j]->lightmaptexture != NULL);j++)
+                       for (;j < numsurfaces && texture == surfacelist[j]->texture && rsurface_lightmaptexture == surfacelist[j]->lightmaptexture;j++)
                                ;
                        // render the range of surfaces
                        R_DrawTextureSurfaceList(j - i, surfacelist + i);
@@ -4090,6 +4430,7 @@ void R_DrawLoc_Callback(const entity_render_t *ent, const rtlight_t *rtlight, in
        CHECKGLERROR
        GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
        GL_DepthMask(false);
+       GL_DepthRange(0, 1);
        GL_DepthTest(true);
        GL_CullFace(GL_NONE);
        R_Mesh_Matrix(&identitymatrix);
@@ -4148,6 +4489,7 @@ void R_DrawCollisionBrushes(entity_render_t *ent)
        R_Mesh_ResetTextureState();
        GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
        GL_DepthMask(false);
+       GL_DepthRange(0, 1);
        GL_DepthTest(!r_showdisabledepthtest.integer);
        qglPolygonOffset(r_refdef.polygonfactor + r_showcollisionbrushes_polygonfactor.value, r_refdef.polygonoffset + r_showcollisionbrushes_polygonoffset.value);CHECKGLERROR
        for (i = 0, brush = model->brush.data_brushes + model->firstmodelbrush;i < model->nummodelbrushes;i++, brush++)
@@ -4167,6 +4509,7 @@ void R_DrawTrianglesAndNormals(entity_render_t *ent, qboolean drawtris, qboolean
        model_t *model = ent->model;
        vec3_t v;
        CHECKGLERROR
+       GL_DepthRange(0, 1);
        GL_DepthTest(!r_showdisabledepthtest.integer);
        GL_DepthMask(true);
        GL_BlendFunc(GL_ONE, GL_ZERO);
@@ -4193,9 +4536,10 @@ void R_DrawTrianglesAndNormals(entity_render_t *ent, qboolean drawtris, qboolean
                                qglBegin(GL_LINES);
                                for (k = 0;k < surface->num_triangles;k++, elements += 3)
                                {
-                                       qglArrayElement(elements[0]);qglArrayElement(elements[1]);
-                                       qglArrayElement(elements[1]);qglArrayElement(elements[2]);
-                                       qglArrayElement(elements[2]);qglArrayElement(elements[0]);
+#define GLVERTEXELEMENT(n) qglVertex3f(rsurface_vertex3f[elements[n]*3+0], rsurface_vertex3f[elements[n]*3+1], rsurface_vertex3f[elements[n]*3+2])
+                                       GLVERTEXELEMENT(0);GLVERTEXELEMENT(1);
+                                       GLVERTEXELEMENT(1);GLVERTEXELEMENT(2);
+                                       GLVERTEXELEMENT(2);GLVERTEXELEMENT(0);
                                }
                                qglEnd();
                                CHECKGLERROR
@@ -4276,7 +4620,8 @@ void R_DrawWorldSurfaces(qboolean skysurfaces)
        flagsmask = skysurfaces ? MATERIALFLAG_SKY : (MATERIALFLAG_WATER | MATERIALFLAG_WALL);
        f = 0;
        t = NULL;
-       rsurface_uselightmaptexture = false;
+       rsurface_lightmaptexture = NULL;
+       rsurface_deluxemaptexture = NULL;
        rsurface_texture = NULL;
        numsurfacelist = 0;
        j = model->firstmodelsurface;
@@ -4362,7 +4707,8 @@ void R_DrawModelSurfaces(entity_render_t *ent, qboolean skysurfaces)
        flagsmask = skysurfaces ? MATERIALFLAG_SKY : (MATERIALFLAG_WATER | MATERIALFLAG_WALL);
        f = 0;
        t = NULL;
-       rsurface_uselightmaptexture = false;
+       rsurface_lightmaptexture = NULL;
+       rsurface_deluxemaptexture = NULL;
        rsurface_texture = NULL;
        numsurfacelist = 0;
        surface = model->data_surfaces + model->firstmodelsurface;