]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - gl_rmain.c
the merging of alias and bsp model rendering begins... purely cosmetic changes in...
[xonotic/darkplaces.git] / gl_rmain.c
index f46df91638a6d3f15d0e8b6227ee548e2e7d6b1d..834017cae8af6736bd08af3ec35b7cd4ac091089 100644 (file)
@@ -21,11 +21,12 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
 #include "quakedef.h"
 #include "r_shadow.h"
+#include "polygon.h"
 
 // used for dlight push checking and other things
 int r_framecount;
 
-mplane_t frustum[4];
+mplane_t frustum[5];
 
 matrix4x4_t r_identitymatrix;
 
@@ -106,6 +107,8 @@ cvar_t r_bloom_power = {CVAR_SAVE, "r_bloom_power", "4"};
 
 cvar_t developer_texturelogging = {0, "developer_texturelogging", "1"};
 
+cvar_t gl_lightmaps = {0, "gl_lightmaps", "0"};
+
 rtexturepool_t *r_main_texturepool;
 rtexture_t *r_bloom_texture_screen;
 rtexture_t *r_bloom_texture_bloom;
@@ -115,6 +118,8 @@ rtexture_t *r_texture_black;
 rtexture_t *r_texture_notexture;
 rtexture_t *r_texture_whitecube;
 rtexture_t *r_texture_normalizationcube;
+rtexture_t *r_texture_detailtextures[NUM_DETAILTEXTURES];
+rtexture_t *r_texture_distorttexture[64];
 
 void R_ModulateColors(float *in, float *out, int verts, float r, float g, float b)
 {
@@ -214,17 +219,106 @@ void FOG_registercvars(void)
        }
 }
 
-void gl_main_start(void)
+static void R_BuildDetailTextures (void)
 {
-       int x, y, side;
-       vec3_t v;
-       vec_t s, t, intensity;
-       qbyte pix[16][16][4];
-#define NORMSIZE 64
-       qbyte data[6*NORMSIZE*NORMSIZE*4];
-       r_main_texturepool = R_AllocTexturePool();
-       r_bloom_texture_screen = NULL;
-       r_bloom_texture_bloom = NULL;
+       int i, x, y, light;
+       float vc[3], vx[3], vy[3], vn[3], lightdir[3];
+#define DETAILRESOLUTION 256
+       qbyte (*data)[DETAILRESOLUTION][4];
+       qbyte (*noise)[DETAILRESOLUTION];
+
+       // Allocate the buffers dynamically to avoid having such big guys on the stack
+       data = Mem_Alloc(tempmempool, DETAILRESOLUTION * sizeof(*data));
+       noise = Mem_Alloc(tempmempool, DETAILRESOLUTION * sizeof(*noise));
+
+       lightdir[0] = 0.5;
+       lightdir[1] = 1;
+       lightdir[2] = -0.25;
+       VectorNormalize(lightdir);
+       for (i = 0;i < NUM_DETAILTEXTURES;i++)
+       {
+               fractalnoise(&noise[0][0], DETAILRESOLUTION, DETAILRESOLUTION >> 4);
+               for (y = 0;y < DETAILRESOLUTION;y++)
+               {
+                       for (x = 0;x < DETAILRESOLUTION;x++)
+                       {
+                               vc[0] = x;
+                               vc[1] = y;
+                               vc[2] = noise[y][x] * (1.0f / 32.0f);
+                               vx[0] = x + 1;
+                               vx[1] = y;
+                               vx[2] = noise[y][(x + 1) % DETAILRESOLUTION] * (1.0f / 32.0f);
+                               vy[0] = x;
+                               vy[1] = y + 1;
+                               vy[2] = noise[(y + 1) % DETAILRESOLUTION][x] * (1.0f / 32.0f);
+                               VectorSubtract(vx, vc, vx);
+                               VectorSubtract(vy, vc, vy);
+                               CrossProduct(vx, vy, vn);
+                               VectorNormalize(vn);
+                               light = 128 - DotProduct(vn, lightdir) * 128;
+                               light = bound(0, light, 255);
+                               data[y][x][0] = data[y][x][1] = data[y][x][2] = light;
+                               data[y][x][3] = 255;
+                       }
+               }
+               r_texture_detailtextures[i] = R_LoadTexture2D(r_main_texturepool, va("detailtexture%i", i), DETAILRESOLUTION, DETAILRESOLUTION, &data[0][0][0], TEXTYPE_RGBA, TEXF_MIPMAP | TEXF_PRECACHE, NULL);
+       }
+
+       Mem_Free(noise);
+       Mem_Free(data);
+}
+
+static qbyte R_MorphDistortTexture (double y0, double y1, double y2, double y3, double morph)
+{
+       int m = (int)(((y1 + y3 - (y0 + y2)) * morph * morph * morph) +
+                       ((2 * (y0 - y1) + y2 - y3) * morph * morph) +
+                       ((y2 - y0) * morph) +
+                       (y1));
+       return (qbyte)bound(0, m, 255);
+}
+
+static void R_BuildDistortTexture (void)
+{
+       int x, y, i, j;
+#define DISTORTRESOLUTION 32
+       qbyte data[5][DISTORTRESOLUTION][DISTORTRESOLUTION][2];
+
+       for (i=0; i<4; i++)
+       {
+               for (y=0; y<DISTORTRESOLUTION; y++)
+               {
+                       for (x=0; x<DISTORTRESOLUTION; x++)
+                       {
+                               data[i][y][x][0] = rand () & 255;
+                               data[i][y][x][1] = rand () & 255;
+                       }
+               }
+       }
+
+       for (i=0; i<4; i++)
+       {
+               for (j=0; j<16; j++)
+               {
+                       r_texture_distorttexture[i*16+j] = NULL;
+                       if (gl_textureshader)
+                       {
+                               for (y=0; y<DISTORTRESOLUTION; y++)
+                               {
+                                       for (x=0; x<DISTORTRESOLUTION; x++)
+                                       {
+                                               data[4][y][x][0] = R_MorphDistortTexture (data[(i-1)&3][y][x][0], data[i][y][x][0], data[(i+1)&3][y][x][0], data[(i+2)&3][y][x][0], 0.0625*j);
+                                               data[4][y][x][1] = R_MorphDistortTexture (data[(i-1)&3][y][x][1], data[i][y][x][1], data[(i+1)&3][y][x][1], data[(i+2)&3][y][x][1], 0.0625*j);
+                                       }
+                               }
+                               r_texture_distorttexture[i*16+j] = R_LoadTexture2D(r_main_texturepool, va("distorttexture%i", i*16+j), DISTORTRESOLUTION, DISTORTRESOLUTION, &data[4][0][0][0], TEXTYPE_DSDT, TEXF_PRECACHE, NULL);
+                       }
+               }
+       }
+}
+
+static void R_BuildBlankTextures(void)
+{
+       qbyte data[4];
        data[0] = 128; // normal X
        data[1] = 128; // normal Y
        data[2] = 255; // normal Z
@@ -240,6 +334,12 @@ void gl_main_start(void)
        data[2] = 0;
        data[3] = 255;
        r_texture_black = R_LoadTexture2D(r_main_texturepool, "blankblack", 1, 1, data, TEXTYPE_RGBA, TEXF_PRECACHE, NULL);
+}
+
+static void R_BuildNoTexture(void)
+{
+       int x, y;
+       qbyte pix[16][16][4];
        // this makes a light grey/dark grey checkerboard texture
        for (y = 0;y < 16;y++)
        {
@@ -262,65 +362,92 @@ void gl_main_start(void)
                }
        }
        r_texture_notexture = R_LoadTexture2D(r_main_texturepool, "notexture", 16, 16, &pix[0][0][0], TEXTYPE_RGBA, TEXF_MIPMAP, NULL);
-       if (gl_texturecubemap)
+}
+
+static void R_BuildWhiteCube(void)
+{
+       qbyte data[6*1*1*4];
+       data[ 0] = 255;data[ 1] = 255;data[ 2] = 255;data[ 3] = 255;
+       data[ 4] = 255;data[ 5] = 255;data[ 6] = 255;data[ 7] = 255;
+       data[ 8] = 255;data[ 9] = 255;data[10] = 255;data[11] = 255;
+       data[12] = 255;data[13] = 255;data[14] = 255;data[15] = 255;
+       data[16] = 255;data[17] = 255;data[18] = 255;data[19] = 255;
+       data[20] = 255;data[21] = 255;data[22] = 255;data[23] = 255;
+       r_texture_whitecube = R_LoadTextureCubeMap(r_main_texturepool, "whitecube", 1, data, TEXTYPE_RGBA, TEXF_PRECACHE | TEXF_CLAMP, NULL);
+}
+
+static void R_BuildNormalizationCube(void)
+{
+       int x, y, side;
+       vec3_t v;
+       vec_t s, t, intensity;
+#define NORMSIZE 64
+       qbyte data[6][NORMSIZE][NORMSIZE][4];
+       for (side = 0;side < 6;side++)
        {
-               data[ 0] = 255;data[ 1] = 255;data[ 2] = 255;data[ 3] = 255;
-               data[ 4] = 255;data[ 5] = 255;data[ 6] = 255;data[ 7] = 255;
-               data[ 8] = 255;data[ 9] = 255;data[10] = 255;data[11] = 255;
-               data[12] = 255;data[13] = 255;data[14] = 255;data[15] = 255;
-               data[16] = 255;data[17] = 255;data[18] = 255;data[19] = 255;
-               data[20] = 255;data[21] = 255;data[22] = 255;data[23] = 255;
-               r_texture_whitecube = R_LoadTextureCubeMap(r_main_texturepool, "whitecube", 1, data, TEXTYPE_RGBA, TEXF_PRECACHE | TEXF_CLAMP, NULL);
-               for (side = 0;side < 6;side++)
+               for (y = 0;y < NORMSIZE;y++)
                {
-                       for (y = 0;y < NORMSIZE;y++)
+                       for (x = 0;x < NORMSIZE;x++)
                        {
-                               for (x = 0;x < NORMSIZE;x++)
+                               s = (x + 0.5f) * (2.0f / NORMSIZE) - 1.0f;
+                               t = (y + 0.5f) * (2.0f / NORMSIZE) - 1.0f;
+                               switch(side)
                                {
-                                       s = (x + 0.5f) * (2.0f / NORMSIZE) - 1.0f;
-                                       t = (y + 0.5f) * (2.0f / NORMSIZE) - 1.0f;
-                                       switch(side)
-                                       {
-                                       case 0:
-                                               v[0] = 1;
-                                               v[1] = -t;
-                                               v[2] = -s;
-                                               break;
-                                       case 1:
-                                               v[0] = -1;
-                                               v[1] = -t;
-                                               v[2] = s;
-                                               break;
-                                       case 2:
-                                               v[0] = s;
-                                               v[1] = 1;
-                                               v[2] = t;
-                                               break;
-                                       case 3:
-                                               v[0] = s;
-                                               v[1] = -1;
-                                               v[2] = -t;
-                                               break;
-                                       case 4:
-                                               v[0] = s;
-                                               v[1] = -t;
-                                               v[2] = 1;
-                                               break;
-                                       case 5:
-                                               v[0] = -s;
-                                               v[1] = -t;
-                                               v[2] = -1;
-                                               break;
-                                       }
-                                       intensity = 127.0f / sqrt(DotProduct(v, v));
-                                       data[((side*NORMSIZE+y)*NORMSIZE+x)*4+0] = 128.0f + intensity * v[0];
-                                       data[((side*NORMSIZE+y)*NORMSIZE+x)*4+1] = 128.0f + intensity * v[1];
-                                       data[((side*NORMSIZE+y)*NORMSIZE+x)*4+2] = 128.0f + intensity * v[2];
-                                       data[((side*NORMSIZE+y)*NORMSIZE+x)*4+3] = 255;
+                               case 0:
+                                       v[0] = 1;
+                                       v[1] = -t;
+                                       v[2] = -s;
+                                       break;
+                               case 1:
+                                       v[0] = -1;
+                                       v[1] = -t;
+                                       v[2] = s;
+                                       break;
+                               case 2:
+                                       v[0] = s;
+                                       v[1] = 1;
+                                       v[2] = t;
+                                       break;
+                               case 3:
+                                       v[0] = s;
+                                       v[1] = -1;
+                                       v[2] = -t;
+                                       break;
+                               case 4:
+                                       v[0] = s;
+                                       v[1] = -t;
+                                       v[2] = 1;
+                                       break;
+                               case 5:
+                                       v[0] = -s;
+                                       v[1] = -t;
+                                       v[2] = -1;
+                                       break;
                                }
+                               intensity = 127.0f / sqrt(DotProduct(v, v));
+                               data[side][y][x][0] = 128.0f + intensity * v[0];
+                               data[side][y][x][1] = 128.0f + intensity * v[1];
+                               data[side][y][x][2] = 128.0f + intensity * v[2];
+                               data[side][y][x][3] = 255;
                        }
                }
-               r_texture_normalizationcube = R_LoadTextureCubeMap(r_main_texturepool, "normalcube", NORMSIZE, data, TEXTYPE_RGBA, TEXF_PRECACHE | TEXF_CLAMP, NULL);
+       }
+       r_texture_normalizationcube = R_LoadTextureCubeMap(r_main_texturepool, "normalcube", NORMSIZE, &data[0][0][0][0], TEXTYPE_RGBA, TEXF_PRECACHE | TEXF_CLAMP, NULL);
+}
+
+void gl_main_start(void)
+{
+       r_main_texturepool = R_AllocTexturePool();
+       r_bloom_texture_screen = NULL;
+       r_bloom_texture_bloom = NULL;
+       R_BuildBlankTextures();
+       R_BuildNoTexture();
+       R_BuildDetailTextures();
+       R_BuildDistortTexture();
+       if (gl_texturecubemap)
+       {
+               R_BuildWhiteCube();
+               R_BuildNormalizationCube();
        }
 }
 
@@ -387,6 +514,7 @@ void GL_Main_Init(void)
        Cvar_RegisterVariable(&r_bloom_resolution);
        Cvar_RegisterVariable(&r_bloom_power);
        Cvar_RegisterVariable(&developer_texturelogging);
+       Cvar_RegisterVariable(&gl_lightmaps);
        if (gamemode == GAME_NEHAHRA || gamemode == GAME_NEXUIZ || gamemode == GAME_TENEBRAE)
                Cvar_SetValue("r_fullbrights", 0);
        R_RegisterModule("GL_Main", gl_main_start, gl_main_shutdown, gl_main_newmap);
@@ -433,39 +561,35 @@ static float R_FarClip(vec3_t origin, vec3_t direction, vec_t startfarclip)
 }
 
 extern void R_Textures_Init(void);
-extern void Mod_RenderInit(void);
 extern void GL_Draw_Init(void);
 extern void GL_Main_Init(void);
 extern void R_Shadow_Init(void);
-extern void GL_Models_Init(void);
 extern void R_Sky_Init(void);
 extern void GL_Surf_Init(void);
 extern void R_Crosshairs_Init(void);
 extern void R_Light_Init(void);
 extern void R_Particles_Init(void);
 extern void R_Explosion_Init(void);
-extern void ui_init(void);
 extern void gl_backend_init(void);
 extern void Sbar_Init(void);
 extern void R_LightningBeams_Init(void);
+extern void Mod_RenderInit(void);
 
 void Render_Init(void)
 {
+       gl_backend_init();
        R_Textures_Init();
        Mod_RenderInit();
-       gl_backend_init();
        R_MeshQueue_Init();
-       GL_Draw_Init();
        GL_Main_Init();
+       GL_Draw_Init();
        R_Shadow_Init();
-       GL_Models_Init();
        R_Sky_Init();
        GL_Surf_Init();
        R_Crosshairs_Init();
        R_Light_Init();
        R_Particles_Init();
        R_Explosion_Init();
-       //ui_init();
        UI_Init();
        Sbar_Init();
        R_LightningBeams_Init();
@@ -659,6 +783,11 @@ static void R_SetFrustum(void)
        RotatePointAroundVector( frustum[3].normal, r_viewleft, r_viewforward, (90 - r_view_fov_y / 2));
        frustum[3].dist = DotProduct (r_vieworigin, frustum[3].normal);
        PlaneClassify(&frustum[3]);
+
+       // nearclip plane
+       VectorCopy(r_viewforward, frustum[4].normal);
+       frustum[4].dist = DotProduct (r_vieworigin, frustum[4].normal) + 1.0f;
+       PlaneClassify(&frustum[4]);
 }
 
 static void R_BlendView(void)
@@ -881,6 +1010,8 @@ static void R_BlendView(void)
 
 void R_RenderScene(void);
 
+matrix4x4_t r_waterscrollmatrix;
+
 /*
 ================
 R_RenderView
@@ -957,6 +1088,8 @@ void R_RenderScene(void)
 
        GL_SetupView_Orientation_FromEntity(&r_view_matrix);
 
+       Matrix4x4_CreateTranslate(&r_waterscrollmatrix, sin(r_refdef.time) * 0.025 * r_waterscroll.value, sin(r_refdef.time * 0.8f) * 0.025 * r_waterscroll.value, 0);
+
        R_SkyStartFrame();
 
        R_WorldVisibility();
@@ -1002,7 +1135,7 @@ void R_RenderScene(void)
                S_ExtraUpdate ();
 
        GL_ShowTrisColor(0, 0, 0.033, 1);
-       R_ShadowVolumeLighting(false, false);
+       R_ShadowVolumeLighting(false);
        R_TimeReport("rtlights");
 
        // don't let sound skip if going slow
@@ -1034,8 +1167,8 @@ void R_RenderScene(void)
 
        if ((r_shadow_visiblelighting.integer || r_shadow_visiblevolumes.integer) && !r_showtrispass)
        {
-               R_ShadowVolumeLighting(r_shadow_visiblelighting.integer, r_shadow_visiblevolumes.integer);
-               R_TimeReport("shadowvolume");
+               R_ShadowVolumeLighting(true);
+               R_TimeReport("visiblevolume");
        }
 
        GL_ShowTrisColor(0.05, 0.05, 0.05, 1);
@@ -1251,3 +1384,1260 @@ void R_DrawSprite(int blendfunc1, int blendfunc2, rtexture_t *texture, int depth
        R_Mesh_Draw(0, 4, 2, polygonelements);
 }
 
+int R_Mesh_AddVertex3f(rmesh_t *mesh, const float *v)
+{
+       int i;
+       float *vertex3f;
+       for (i = 0, vertex3f = mesh->vertex3f;i < mesh->numvertices;i++, vertex3f += 3)
+               if (VectorDistance2(v, vertex3f) < mesh->epsilon2)
+                       break;
+       if (i == mesh->numvertices)
+       {
+               if (mesh->numvertices < mesh->maxvertices)
+               {
+                       VectorCopy(v, vertex3f);
+                       mesh->numvertices++;
+               }
+               return mesh->numvertices;
+       }
+       else
+               return i;
+}
+
+void R_Mesh_AddPolygon3f(rmesh_t *mesh, int numvertices, float *vertex3f)
+{
+       int i;
+       int *e, element[3];
+       element[0] = R_Mesh_AddVertex3f(mesh, vertex3f);vertex3f += 3;
+       element[1] = R_Mesh_AddVertex3f(mesh, vertex3f);vertex3f += 3;
+       e = mesh->element3i + mesh->numtriangles * 3;
+       for (i = 0;i < numvertices - 2;i++, vertex3f += 3)
+       {
+               element[2] = R_Mesh_AddVertex3f(mesh, vertex3f);
+               if (mesh->numtriangles < mesh->maxtriangles)
+               {
+                       *e++ = element[0];
+                       *e++ = element[1];
+                       *e++ = element[2];
+                       mesh->numtriangles++;
+               }
+               element[1] = element[2];
+       }
+}
+
+void R_Mesh_AddBrushMeshFromPlanes(rmesh_t *mesh, int numplanes, mplane_t *planes)
+{
+       int planenum, planenum2;
+       int w;
+       int tempnumpoints;
+       mplane_t *plane, *plane2;
+       float temppoints[2][256*3];
+       for (planenum = 0, plane = planes;planenum < numplanes;planenum++, plane++)
+       {
+               w = 0;
+               tempnumpoints = 4;
+               PolygonF_QuadForPlane(temppoints[w], plane->normal[0], plane->normal[1], plane->normal[2], plane->normal[3], 1024.0*1024.0*1024.0);
+               for (planenum2 = 0, plane2 = planes;planenum2 < numplanes && tempnumpoints >= 3;planenum2++, plane2++)
+               {
+                       if (planenum2 == planenum)
+                               continue;
+                       PolygonF_Divide(tempnumpoints, temppoints[w], plane2->normal[0], plane2->normal[1], plane2->normal[2], plane2->dist, 1.0/32.0, 0, NULL, NULL, 256, temppoints[!w], &tempnumpoints);
+                       w = !w;
+               }
+               if (tempnumpoints < 3)
+                       continue;
+               // generate elements forming a triangle fan for this polygon
+               R_Mesh_AddPolygon3f(mesh, tempnumpoints, temppoints[w]);
+       }
+}
+
+void R_UpdateTextureInfo(const entity_render_t *ent, texture_t *t)
+{
+       // we don't need to set currentframe if t->animated is false because
+       // it was already set up by the texture loader for non-animating
+       if (t->animated)
+       {
+               t->currentframe = t->anim_frames[ent->frame != 0][(t->anim_total[ent->frame != 0] >= 2) ? ((int)(r_refdef.time * 5.0f) % t->anim_total[ent->frame != 0]) : 0];
+               t = t->currentframe;
+       }
+       t->currentmaterialflags = t->basematerialflags;
+       t->currentalpha = ent->alpha;
+       if (t->basematerialflags & MATERIALFLAG_WATERALPHA)
+               t->currentalpha *= r_wateralpha.value;
+       if (!(ent->flags & RENDER_LIGHT))
+               t->currentmaterialflags |= MATERIALFLAG_FULLBRIGHT;
+       if (ent->effects & EF_ADDITIVE)
+               t->currentmaterialflags |= MATERIALFLAG_ADD | MATERIALFLAG_TRANSPARENT;
+       else if (t->currentalpha < 1)
+               t->currentmaterialflags |= MATERIALFLAG_ALPHA | MATERIALFLAG_TRANSPARENT;
+}
+
+void R_UpdateAllTextureInfo(entity_render_t *ent)
+{
+       int i;
+       if (ent->model)
+               for (i = 0;i < ent->model->num_textures;i++)
+                       R_UpdateTextureInfo(ent, ent->model->data_textures + i);
+}
+
+static void RSurf_DeformVertices(const entity_render_t *ent, const texture_t *texture, const msurface_t *surface, const vec3_t modelorg)
+{
+       int i, j;
+       float center[3], forward[3], right[3], up[3], v[4][3];
+       matrix4x4_t matrix1, imatrix1;
+       if (texture->textureflags & Q3TEXTUREFLAG_AUTOSPRITE2)
+       {
+               // a single autosprite surface can contain multiple sprites...
+               VectorClear(forward);
+               VectorClear(right);
+               VectorSet(up, 0, 0, 1);
+               for (j = 0;j < surface->num_vertices - 3;j += 4)
+               {
+                       VectorClear(center);
+                       for (i = 0;i < 4;i++)
+                               VectorAdd(center, (surface->groupmesh->data_vertex3f + 3 * surface->num_firstvertex) + (j+i) * 3, center);
+                       VectorScale(center, 0.25f, center);
+                       // FIXME: calculate vectors from triangle edges instead of using texture vectors as an easy way out?
+                       Matrix4x4_FromVectors(&matrix1, (surface->groupmesh->data_normal3f + 3 * surface->num_firstvertex) + j*3, (surface->groupmesh->data_svector3f + 3 * surface->num_firstvertex) + j*3, (surface->groupmesh->data_tvector3f + 3 * surface->num_firstvertex) + j*3, center);
+                       Matrix4x4_Invert_Simple(&imatrix1, &matrix1);
+                       for (i = 0;i < 4;i++)
+                               Matrix4x4_Transform(&imatrix1, (surface->groupmesh->data_vertex3f + 3 * surface->num_firstvertex) + (j+i)*3, v[i]);
+                       forward[0] = modelorg[0] - center[0];
+                       forward[1] = modelorg[1] - center[1];
+                       VectorNormalize(forward);
+                       right[0] = forward[1];
+                       right[1] = -forward[0];
+                       for (i = 0;i < 4;i++)
+                               VectorMAMAMAM(1, center, v[i][0], forward, v[i][1], right, v[i][2], up, varray_vertex3f + (surface->num_firstvertex+i+j) * 3);
+               }
+       }
+       else if (texture->textureflags & Q3TEXTUREFLAG_AUTOSPRITE)
+       {
+               Matrix4x4_Transform(&ent->inversematrix, r_viewforward, forward);
+               Matrix4x4_Transform(&ent->inversematrix, r_viewright, right);
+               Matrix4x4_Transform(&ent->inversematrix, r_viewup, up);
+               // a single autosprite surface can contain multiple sprites...
+               for (j = 0;j < surface->num_vertices - 3;j += 4)
+               {
+                       VectorClear(center);
+                       for (i = 0;i < 4;i++)
+                               VectorAdd(center, (surface->groupmesh->data_vertex3f + 3 * surface->num_firstvertex) + (j+i) * 3, center);
+                       VectorScale(center, 0.25f, center);
+                       // FIXME: calculate vectors from triangle edges instead of using texture vectors as an easy way out?
+                       Matrix4x4_FromVectors(&matrix1, (surface->groupmesh->data_normal3f + 3 * surface->num_firstvertex) + j*3, (surface->groupmesh->data_svector3f + 3 * surface->num_firstvertex) + j*3, (surface->groupmesh->data_tvector3f + 3 * surface->num_firstvertex) + j*3, center);
+                       Matrix4x4_Invert_Simple(&imatrix1, &matrix1);
+                       for (i = 0;i < 4;i++)
+                               Matrix4x4_Transform(&imatrix1, (surface->groupmesh->data_vertex3f + 3 * surface->num_firstvertex) + (j+i)*3, v[i]);
+                       for (i = 0;i < 4;i++)
+                               VectorMAMAMAM(1, center, v[i][0], forward, v[i][1], right, v[i][2], up, varray_vertex3f + (surface->num_firstvertex+i+j) * 3);
+               }
+       }
+       else
+               memcpy((varray_vertex3f + 3 * surface->num_firstvertex), (surface->groupmesh->data_vertex3f + 3 * surface->num_firstvertex), sizeof(float[3]) * surface->num_vertices);
+}
+
+// any sort of deformvertices call is *VERY* rare, so this must be optimized
+// to skip deformvertices quickly!
+#if 1
+#define RSurf_GetVertexPointer(ent, texture, surface, modelorg) ((texture->textureflags & (Q3TEXTUREFLAG_AUTOSPRITE | Q3TEXTUREFLAG_AUTOSPRITE2)) ? (RSurf_DeformVertices(ent, texture, surface, modelorg), varray_vertex3f) : surface->groupmesh->data_vertex3f)
+#else
+static float *RSurf_GetVertexPointer(const entity_render_t *ent, const texture_t *texture, const msurface_t *surface, const vec3_t modelorg)
+{
+       if (texture->textureflags & (Q3TEXTUREFLAG_AUTOSPRITE | Q3TEXTUREFLAG_AUTOSPRITE2))
+       {
+               RSurf_DeformVertices(ent, texture, surface, modelorg);
+               return varray_vertex3f;
+       }
+       else
+               return surface->groupmesh->data_vertex3f;
+}
+#endif
+
+static void R_DrawTextureSurfaceList(const entity_render_t *ent, texture_t *texture, int texturenumsurfaces, const msurface_t **texturesurfacelist, const vec3_t modelorg)
+{
+       int i;
+       int texturesurfaceindex;
+       const float *v, *vertex3f;
+       float *c;
+       float diff[3];
+       float f, r, g, b, a, base, colorscale;
+       const msurface_t *surface;
+       qboolean dolightmap;
+       qboolean dobase;
+       qboolean doambient;
+       qboolean dodetail;
+       qboolean doglow;
+       qboolean dofogpass;
+       qboolean fogallpasses;
+       qboolean waterscrolling;
+       surfmesh_t *groupmesh;
+       rtexture_t *lightmaptexture;
+       rmeshstate_t m;
+       texture = texture->currentframe;
+       if (texture->currentmaterialflags & MATERIALFLAG_NODRAW)
+               return;
+       c_faces += texturenumsurfaces;
+       // gl_lightmaps debugging mode skips normal texturing
+       if (gl_lightmaps.integer)
+       {
+               GL_BlendFunc(GL_ONE, GL_ZERO);
+               GL_DepthMask(true);
+               GL_DepthTest(true);
+               qglDisable(GL_CULL_FACE);
+               GL_Color(1, 1, 1, 1);
+               memset(&m, 0, sizeof(m));
+               R_Mesh_State(&m);
+               for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
+               {
+                       surface = texturesurfacelist[texturesurfaceindex];
+                       R_Mesh_TexBind(0, R_GetTexture(surface->lightmaptexture));
+                       R_Mesh_TexCoordPointer(0, 2, surface->groupmesh->data_texcoordlightmap2f);
+                       R_Mesh_ColorPointer(surface->lightmaptexture ? NULL : surface->groupmesh->data_lightmapcolor4f);
+                       R_Mesh_VertexPointer(surface->groupmesh->data_vertex3f);
+                       GL_LockArrays(surface->num_firstvertex, surface->num_vertices);
+                       R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, (surface->groupmesh->data_element3i + 3 * surface->num_firsttriangle));
+                       GL_LockArrays(0, 0);
+               }
+               qglEnable(GL_CULL_FACE);
+               return;
+       }
+       GL_DepthTest(!(texture->currentmaterialflags & MATERIALFLAG_NODEPTHTEST));
+       GL_DepthMask(!(texture->currentmaterialflags & MATERIALFLAG_TRANSPARENT));
+       if (texture->currentmaterialflags & MATERIALFLAG_ADD)
+               GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
+       else if (texture->currentmaterialflags & MATERIALFLAG_ALPHA)
+               GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+       else
+               GL_BlendFunc(GL_ONE, GL_ZERO);
+       // water waterscrolling in texture matrix
+       waterscrolling = (texture->currentmaterialflags & MATERIALFLAG_WATER) && r_waterscroll.value != 0;
+       if (texture->textureflags & Q3TEXTUREFLAG_TWOSIDED)
+               qglDisable(GL_CULL_FACE);
+       if (texture->currentmaterialflags & MATERIALFLAG_SKY)
+       {
+               if (skyrendernow)
+               {
+                       skyrendernow = false;
+                       if (skyrendermasked)
+                               R_Sky();
+               }
+               // LordHavoc: HalfLife maps have freaky skypolys...
+               //if (!ent->model->brush.ishlbsp)
+               {
+                       R_Mesh_Matrix(&ent->matrix);
+                       GL_Color(fogcolor[0], fogcolor[1], fogcolor[2], 1);
+                       if (skyrendermasked)
+                       {
+                               // depth-only (masking)
+                               GL_ColorMask(0,0,0,0);
+                               // just to make sure that braindead drivers don't draw anything
+                               // despite that colormask...
+                               GL_BlendFunc(GL_ZERO, GL_ONE);
+                       }
+                       else
+                       {
+                               // fog sky
+                               GL_BlendFunc(GL_ONE, GL_ZERO);
+                       }
+                       GL_DepthMask(true);
+                       GL_DepthTest(true);
+                       memset(&m, 0, sizeof(m));
+                       R_Mesh_State(&m);
+                       for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
+                       {
+                               surface = texturesurfacelist[texturesurfaceindex];
+                               R_Mesh_VertexPointer(surface->groupmesh->data_vertex3f);
+                               GL_LockArrays(surface->num_firstvertex, surface->num_vertices);
+                               R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, (surface->groupmesh->data_element3i + 3 * surface->num_firsttriangle));
+                               GL_LockArrays(0, 0);
+                       }
+                       GL_ColorMask(r_refdef.colormask[0], r_refdef.colormask[1], r_refdef.colormask[2], 1);
+               }
+       }
+       else if ((texture->currentmaterialflags & MATERIALFLAG_WATER) && r_watershader.value && gl_textureshader && !texture->skin.glow && !fogenabled && ent->colormod[0] == 1 && ent->colormod[1] == 1 && ent->colormod[2] == 1)
+       {
+               // NVIDIA Geforce3 distortion texture shader on water
+               float args[4] = {0.05f,0,0,0.04f};
+               memset(&m, 0, sizeof(m));
+               m.tex[0] = R_GetTexture(r_texture_distorttexture[(int)(r_refdef.time * 16)&63]);
+               m.tex[1] = R_GetTexture(texture->skin.base);
+               m.texcombinergb[0] = GL_REPLACE;
+               m.texcombinergb[1] = GL_REPLACE;
+               Matrix4x4_CreateFromQuakeEntity(&m.texmatrix[0], 0, 0, 0, 0, 0, 0, r_watershader.value);
+               m.texmatrix[1] = r_waterscrollmatrix;
+               R_Mesh_State(&m);
+
+               GL_Color(1, 1, 1, texture->currentalpha);
+               GL_ActiveTexture(0);
+               qglTexEnvi(GL_TEXTURE_SHADER_NV, GL_SHADER_OPERATION_NV, GL_TEXTURE_2D);
+               GL_ActiveTexture(1);
+               qglTexEnvi(GL_TEXTURE_SHADER_NV, GL_SHADER_OPERATION_NV, GL_OFFSET_TEXTURE_2D_NV);
+               qglTexEnvi(GL_TEXTURE_SHADER_NV, GL_PREVIOUS_TEXTURE_INPUT_NV, GL_TEXTURE0_ARB);
+               qglTexEnvfv(GL_TEXTURE_SHADER_NV, GL_OFFSET_TEXTURE_MATRIX_NV, &args[0]);
+               qglEnable(GL_TEXTURE_SHADER_NV);
+
+               for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
+               {
+                       surface = texturesurfacelist[texturesurfaceindex];
+                       R_Mesh_VertexPointer(RSurf_GetVertexPointer(ent, texture, surface, modelorg));
+                       R_Mesh_TexCoordPointer(0, 2, surface->groupmesh->data_texcoordtexture2f);
+                       R_Mesh_TexCoordPointer(1, 2, surface->groupmesh->data_texcoordtexture2f);
+                       GL_LockArrays(surface->num_firstvertex, surface->num_vertices);
+                       R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, (surface->groupmesh->data_element3i + 3 * surface->num_firsttriangle));
+                       GL_LockArrays(0, 0);
+               }
+
+               qglDisable(GL_TEXTURE_SHADER_NV);
+               qglTexEnvi(GL_TEXTURE_SHADER_NV, GL_SHADER_OPERATION_NV, GL_TEXTURE_2D);
+               GL_ActiveTexture(0);
+       }
+       else if (texture->currentmaterialflags & (MATERIALFLAG_WATER | MATERIALFLAG_WALL))
+       {
+               // normal surface (wall or water)
+               dobase = true;
+               dolightmap = !(texture->currentmaterialflags & MATERIALFLAG_FULLBRIGHT);
+               doambient = r_ambient.value >= (1/64.0f);
+               dodetail = r_detailtextures.integer && texture->skin.detail != NULL && !(texture->currentmaterialflags & MATERIALFLAG_TRANSPARENT);
+               doglow = texture->skin.glow != NULL;
+               dofogpass = fogenabled && !(texture->currentmaterialflags & MATERIALFLAG_ADD);
+               fogallpasses = fogenabled && !(texture->currentmaterialflags & MATERIALFLAG_TRANSPARENT);
+               if (texture->currentmaterialflags & MATERIALFLAG_TRANSPARENT)
+               {
+                       if (dobase && dolightmap && gl_combine.integer)
+                       {
+                               dobase = false;
+                               memset(&m, 0, sizeof(m));
+                               m.tex[1] = R_GetTexture(texture->skin.base);
+                               if (waterscrolling)
+                                       m.texmatrix[1] = r_waterscrollmatrix;
+                               m.texrgbscale[1] = 2;
+                               m.pointer_color = varray_color4f;
+                               R_Mesh_State(&m);
+                               colorscale = 1;
+                               r = ent->colormod[0] * colorscale;
+                               g = ent->colormod[1] * colorscale;
+                               b = ent->colormod[2] * colorscale;
+                               a = texture->currentalpha;
+                               base = r_ambient.value * (1.0f / 64.0f);
+                               // q3bsp has no lightmap updates, so the lightstylevalue that
+                               // would normally be baked into the lightmaptexture must be
+                               // applied to the color
+                               if (ent->model->brushq1.lightdata)
+                               {
+                                       float scale = d_lightstylevalue[0] * (1.0f / 128.0f);
+                                       r *= scale;
+                                       g *= scale;
+                                       b *= scale;
+                               }
+                               for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
+                               {
+                                       surface = texturesurfacelist[texturesurfaceindex];
+                                       vertex3f = RSurf_GetVertexPointer(ent, texture, surface, modelorg);
+                                       R_Mesh_VertexPointer(vertex3f);
+                                       R_Mesh_TexCoordPointer(0, 2, surface->groupmesh->data_texcoordlightmap2f);
+                                       R_Mesh_TexCoordPointer(1, 2, surface->groupmesh->data_texcoordtexture2f);
+                                       if (surface->lightmaptexture)
+                                       {
+                                               R_Mesh_TexBind(0, R_GetTexture(surface->lightmaptexture));
+                                               if (fogallpasses)
+                                               {
+                                                       R_Mesh_ColorPointer(varray_color4f);
+                                                       for (i = 0, v = (vertex3f + 3 * surface->num_firstvertex), c = (varray_color4f + 4 * surface->num_firstvertex);i < surface->num_vertices;i++, v += 3, c += 4)
+                                                       {
+                                                               VectorSubtract(v, modelorg, diff);
+                                                               f = 1 - exp(fogdensity/DotProduct(diff, diff));
+                                                               c[0] = f * r;
+                                                               c[1] = f * g;
+                                                               c[2] = f * b;
+                                                               c[3] = a;
+                                                       }
+                                               }
+                                               else
+                                               {
+                                                       R_Mesh_ColorPointer(NULL);
+                                                       GL_Color(r, g, b, a);
+                                               }
+                                       }
+                                       else
+                                       {
+                                               R_Mesh_TexBind(0, R_GetTexture(r_texture_white));
+                                               R_Mesh_ColorPointer(varray_color4f);
+                                               if (!surface->lightmaptexture)
+                                               {
+                                                       for (i = 0, c = (varray_color4f + 4 * surface->num_firstvertex);i < surface->num_vertices;i++, c += 4)
+                                                       {
+                                                               c[0] = (surface->groupmesh->data_lightmapcolor4f + 4 * surface->num_firstvertex)[i*4+0] * r;
+                                                               c[1] = (surface->groupmesh->data_lightmapcolor4f + 4 * surface->num_firstvertex)[i*4+1] * g;
+                                                               c[2] = (surface->groupmesh->data_lightmapcolor4f + 4 * surface->num_firstvertex)[i*4+2] * b;
+                                                               c[3] = (surface->groupmesh->data_lightmapcolor4f + 4 * surface->num_firstvertex)[i*4+3] * a;
+                                                       }
+                                                       if (fogallpasses)
+                                                       {
+                                                               for (i = 0, v = (vertex3f + 3 * surface->num_firstvertex), c = (varray_color4f + 4 * surface->num_firstvertex);i < surface->num_vertices;i++, v += 3, c += 4)
+                                                               {
+                                                                       VectorSubtract(v, modelorg, diff);
+                                                                       f = 1 - exp(fogdensity/DotProduct(diff, diff));
+                                                                       VectorScale(c, f, c);
+                                                               }
+                                                       }
+                                               }
+                                               else
+                                               {
+                                                       R_Mesh_ColorPointer(NULL);
+                                                       GL_Color(0, 0, 0, a);
+                                               }
+                                       }
+                                       GL_LockArrays(surface->num_firstvertex, surface->num_vertices);
+                                       R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, (surface->groupmesh->data_element3i + 3 * surface->num_firsttriangle));
+                                       GL_LockArrays(0, 0);
+                               }
+                       }
+                       if (dobase)
+                       {
+                               dobase = false;
+                               memset(&m, 0, sizeof(m));
+                               m.tex[0] = R_GetTexture(texture->skin.base);
+                               if (waterscrolling)
+                                       m.texmatrix[0] = r_waterscrollmatrix;
+                               m.pointer_color = varray_color4f;
+                               colorscale = 1;
+                               if (gl_combine.integer)
+                               {
+                                       m.texrgbscale[0] = 4;
+                                       colorscale *= 0.25f;
+                               }
+                               R_Mesh_State(&m);
+                               r = ent->colormod[0] * colorscale;
+                               g = ent->colormod[1] * colorscale;
+                               b = ent->colormod[2] * colorscale;
+                               a = texture->currentalpha;
+                               if (dolightmap)
+                               {
+                                       // q3bsp has no lightmap updates, so the lightstylevalue that
+                                       // would normally be baked into the lightmaptexture must be
+                                       // applied to the color
+                                       if (!ent->model->brushq1.lightdata)
+                                       {
+                                               float scale = d_lightstylevalue[0] * (1.0f / 128.0f);
+                                               r *= scale;
+                                               g *= scale;
+                                               b *= scale;
+                                       }
+                                       for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
+                                       {
+                                               surface = texturesurfacelist[texturesurfaceindex];
+                                               vertex3f = RSurf_GetVertexPointer(ent, texture, surface, modelorg);
+                                               R_Mesh_VertexPointer(vertex3f);
+                                               R_Mesh_TexCoordPointer(0, 2, surface->groupmesh->data_texcoordtexture2f);
+                                               for (i = 0, v = (vertex3f + 3 * surface->num_firstvertex), c = (varray_color4f + 4 * surface->num_firstvertex);i < surface->num_vertices;i++, v += 3, c += 4)
+                                               {
+                                                       c[0] = 0;
+                                                       c[1] = 0;
+                                                       c[2] = 0;
+                                                       if (!surface->lightmapinfo)
+                                                               VectorCopy((surface->groupmesh->data_lightmapcolor4f + 4 * surface->num_firstvertex) + i*4, c);
+                                                       else //if (surface->lightmapinfo)
+                                                       {
+                                                               const qbyte *lm = surface->lightmapinfo->samples + (surface->groupmesh->data_lightmapoffsets + surface->num_firstvertex)[i];
+                                                               float scale = d_lightstylevalue[surface->lightmapinfo->styles[0]] * (1.0f / 32768.0f);
+                                                               VectorMA(c, scale, lm, c);
+                                                               if (surface->lightmapinfo->styles[1] != 255)
+                                                               {
+                                                                       int size3 = ((surface->lightmapinfo->extents[0]>>4)+1)*((surface->lightmapinfo->extents[1]>>4)+1)*3;
+                                                                       lm += size3;
+                                                                       scale = d_lightstylevalue[surface->lightmapinfo->styles[1]] * (1.0f / 32768.0f);
+                                                                       VectorMA(c, scale, lm, c);
+                                                                       if (surface->lightmapinfo->styles[2] != 255)
+                                                                       {
+                                                                               lm += size3;
+                                                                               scale = d_lightstylevalue[surface->lightmapinfo->styles[2]] * (1.0f / 32768.0f);
+                                                                               VectorMA(c, scale, lm, c);
+                                                                               if (surface->lightmapinfo->styles[3] != 255)
+                                                                               {
+                                                                                       lm += size3;
+                                                                                       scale = d_lightstylevalue[surface->lightmapinfo->styles[3]] * (1.0f / 32768.0f);
+                                                                                       VectorMA(c, scale, lm, c);
+                                                                               }
+                                                                       }
+                                                               }
+                                                       }
+                                                       c[0] *= r;
+                                                       c[1] *= g;
+                                                       c[2] *= b;
+                                                       if (fogallpasses)
+                                                       {
+                                                               VectorSubtract(v, modelorg, diff);
+                                                               f = 1 - exp(fogdensity/DotProduct(diff, diff));
+                                                               VectorScale(c, f, c);
+                                                       }
+                                                       if (!surface->lightmapinfo && (texture->currentmaterialflags & MATERIALFLAG_TRANSPARENT))
+                                                               c[3] = (surface->groupmesh->data_lightmapcolor4f + 4 * surface->num_firstvertex)[i*4+3] * a;
+                                                       else
+                                                               c[3] = a;
+                                               }
+                                               GL_LockArrays(surface->num_firstvertex, surface->num_vertices);
+                                               R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, (surface->groupmesh->data_element3i + 3 * surface->num_firsttriangle));
+                                               GL_LockArrays(0, 0);
+                                       }
+                               }
+                               else
+                               {
+                                       if (fogallpasses)
+                                       {
+                                               for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
+                                               {
+                                                       surface = texturesurfacelist[texturesurfaceindex];
+                                                       vertex3f = RSurf_GetVertexPointer(ent, texture, surface, modelorg);
+                                                       R_Mesh_VertexPointer(vertex3f);
+                                                       R_Mesh_TexCoordPointer(0, 2, surface->groupmesh->data_texcoordtexture2f);
+                                                       if (!surface->lightmapinfo && (texture->currentmaterialflags & MATERIALFLAG_TRANSPARENT))
+                                                       {
+                                                               R_Mesh_ColorPointer(varray_color4f);
+                                                               for (i = 0, v = (vertex3f + 3 * surface->num_firstvertex), c = (varray_color4f + 4 * surface->num_firstvertex);i < surface->num_vertices;i++, v += 3, c += 4)
+                                                               {
+                                                                       VectorSubtract(v, modelorg, diff);
+                                                                       f = 1 - exp(fogdensity/DotProduct(diff, diff));
+                                                                       c[0] = r * f;
+                                                                       c[1] = g * f;
+                                                                       c[2] = b * f;
+                                                                       c[3] = (surface->groupmesh->data_lightmapcolor4f + 4 * surface->num_firstvertex)[i*4+3] * a;
+                                                               }
+                                                       }
+                                                       else
+                                                       {
+                                                               R_Mesh_ColorPointer(varray_color4f);
+                                                               for (i = 0, v = (vertex3f + 3 * surface->num_firstvertex), c = (varray_color4f + 4 * surface->num_firstvertex);i < surface->num_vertices;i++, v += 3, c += 4)
+                                                               {
+                                                                       VectorSubtract(v, modelorg, diff);
+                                                                       f = 1 - exp(fogdensity/DotProduct(diff, diff));
+                                                                       c[0] = r * f;
+                                                                       c[1] = g * f;
+                                                                       c[2] = b * f;
+                                                                       c[3] = a;
+                                                               }
+                                                       }
+                                                       GL_LockArrays(surface->num_firstvertex, surface->num_vertices);
+                                                       R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, (surface->groupmesh->data_element3i + 3 * surface->num_firsttriangle));
+                                                       GL_LockArrays(0, 0);
+                                               }
+                                       }
+                                       else
+                                       {
+                                               for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
+                                               {
+                                                       surface = texturesurfacelist[texturesurfaceindex];
+                                                       vertex3f = RSurf_GetVertexPointer(ent, texture, surface, modelorg);
+                                                       R_Mesh_VertexPointer(vertex3f);
+                                                       R_Mesh_TexCoordPointer(0, 2, surface->groupmesh->data_texcoordtexture2f);
+                                                       if (!surface->lightmaptexture && (texture->currentmaterialflags & MATERIALFLAG_TRANSPARENT))
+                                                       {
+                                                               R_Mesh_ColorPointer(varray_color4f);
+                                                               for (i = 0, v = (vertex3f + 3 * surface->num_firstvertex), c = (varray_color4f + 4 * surface->num_firstvertex);i < surface->num_vertices;i++, v += 3, c += 4)
+                                                               {
+                                                                       c[0] = r;
+                                                                       c[1] = g;
+                                                                       c[2] = b;
+                                                                       c[3] = (surface->groupmesh->data_lightmapcolor4f + 4 * surface->num_firstvertex)[i*4+3] * a;
+                                                               }
+                                                       }
+                                                       else
+                                                       {
+                                                               R_Mesh_ColorPointer(NULL);
+                                                               GL_Color(r, g, b, a);
+                                                       }
+                                                       GL_LockArrays(surface->num_firstvertex, surface->num_vertices);
+                                                       R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, (surface->groupmesh->data_element3i + 3 * surface->num_firsttriangle));
+                                                       GL_LockArrays(0, 0);
+                                               }
+                                       }
+                               }
+                       }
+               }
+               else
+               {
+                       if (!dolightmap && dobase)
+                       {
+                               dolightmap = false;
+                               dobase = false;
+                               GL_Color(ent->colormod[0], ent->colormod[1], ent->colormod[2], 1);
+                               memset(&m, 0, sizeof(m));
+                               m.tex[0] = R_GetTexture(texture->skin.base);
+                               if (waterscrolling)
+                                       m.texmatrix[0] = r_waterscrollmatrix;
+                               R_Mesh_State(&m);
+                               for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
+                               {
+                                       surface = texturesurfacelist[texturesurfaceindex];
+                                       R_Mesh_VertexPointer(RSurf_GetVertexPointer(ent, texture, surface, modelorg));
+                                       R_Mesh_TexCoordPointer(0, 2, surface->groupmesh->data_texcoordtexture2f);
+                                       GL_LockArrays(surface->num_firstvertex, surface->num_vertices);
+                                       R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, (surface->groupmesh->data_element3i + 3 * surface->num_firsttriangle));
+                                       GL_LockArrays(0, 0);
+                               }
+                       }
+                       if (r_lightmapintensity <= 0 && dolightmap && dobase)
+                       {
+                               dolightmap = false;
+                               dobase = false;
+                               GL_Color(0, 0, 0, 1);
+                               memset(&m, 0, sizeof(m));
+                               R_Mesh_State(&m);
+                               for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
+                               {
+                                       surface = texturesurfacelist[texturesurfaceindex];
+                                       R_Mesh_VertexPointer(RSurf_GetVertexPointer(ent, texture, surface, modelorg));
+                                       GL_LockArrays(surface->num_firstvertex, surface->num_vertices);
+                                       R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, (surface->groupmesh->data_element3i + 3 * surface->num_firsttriangle));
+                                       GL_LockArrays(0, 0);
+                               }
+                       }
+                       if (r_textureunits.integer >= 2 && gl_combine.integer && dolightmap && dobase)
+                       {
+                               // dualtexture combine
+                               GL_BlendFunc(GL_ONE, GL_ZERO);
+                               GL_DepthMask(true);
+                               dolightmap = false;
+                               dobase = false;
+                               memset(&m, 0, sizeof(m));
+                               m.tex[1] = R_GetTexture(texture->skin.base);
+                               if (waterscrolling)
+                                       m.texmatrix[1] = r_waterscrollmatrix;
+                               m.texrgbscale[1] = 2;
+                               R_Mesh_State(&m);
+                               r = ent->colormod[0] * r_lightmapintensity;
+                               g = ent->colormod[1] * r_lightmapintensity;
+                               b = ent->colormod[2] * r_lightmapintensity;
+                               GL_Color(r, g, b, 1);
+                               if (texture->textureflags & (Q3TEXTUREFLAG_AUTOSPRITE | Q3TEXTUREFLAG_AUTOSPRITE2))
+                               {
+                                       R_Mesh_VertexPointer(varray_vertex3f);
+                                       if (r == 1 && g == 1 && b == 1)
+                                       {
+                                               for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
+                                               {
+                                                       surface = texturesurfacelist[texturesurfaceindex];
+                                                       RSurf_DeformVertices(ent, texture, surface, modelorg);
+                                                       R_Mesh_TexCoordPointer(0, 2, surface->groupmesh->data_texcoordlightmap2f);
+                                                       R_Mesh_TexCoordPointer(1, 2, surface->groupmesh->data_texcoordtexture2f);
+                                                       if (surface->lightmaptexture)
+                                                       {
+                                                               R_Mesh_TexBind(0, R_GetTexture(surface->lightmaptexture));
+                                                               R_Mesh_ColorPointer(NULL);
+                                                       }
+                                                       else //if (r == 1 && g == 1 && b == 1)
+                                                       {
+                                                               R_Mesh_TexBind(0, R_GetTexture(r_texture_white));
+                                                               R_Mesh_ColorPointer(surface->groupmesh->data_lightmapcolor4f);
+                                                       }
+                                                       GL_LockArrays(surface->num_firstvertex, surface->num_vertices);
+                                                       R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, (surface->groupmesh->data_element3i + 3 * surface->num_firsttriangle));
+                                                       GL_LockArrays(0, 0);
+                                               }
+                                       }
+                                       else
+                                       {
+                                               for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
+                                               {
+                                                       surface = texturesurfacelist[texturesurfaceindex];
+                                                       RSurf_DeformVertices(ent, texture, surface, modelorg);
+                                                       R_Mesh_TexCoordPointer(0, 2, surface->groupmesh->data_texcoordlightmap2f);
+                                                       R_Mesh_TexCoordPointer(1, 2, surface->groupmesh->data_texcoordtexture2f);
+                                                       if (surface->lightmaptexture)
+                                                       {
+                                                               R_Mesh_TexBind(0, R_GetTexture(surface->lightmaptexture));
+                                                               R_Mesh_ColorPointer(NULL);
+                                                       }
+                                                       else
+                                                       {
+                                                               R_Mesh_TexBind(0, R_GetTexture(r_texture_white));
+                                                               R_Mesh_ColorPointer(varray_color4f);
+                                                               for (i = 0, c = (varray_color4f + 4 * surface->num_firstvertex);i < surface->num_vertices;i++, c += 4)
+                                                               {
+                                                                       c[0] = (surface->groupmesh->data_lightmapcolor4f + 4 * surface->num_firstvertex)[i*4+0] * r;
+                                                                       c[1] = (surface->groupmesh->data_lightmapcolor4f + 4 * surface->num_firstvertex)[i*4+1] * g;
+                                                                       c[2] = (surface->groupmesh->data_lightmapcolor4f + 4 * surface->num_firstvertex)[i*4+2] * b;
+                                                                       c[3] = (surface->groupmesh->data_lightmapcolor4f + 4 * surface->num_firstvertex)[i*4+3];
+                                                               }
+                                                       }
+                                                       GL_LockArrays(surface->num_firstvertex, surface->num_vertices);
+                                                       R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, (surface->groupmesh->data_element3i + 3 * surface->num_firsttriangle));
+                                                       GL_LockArrays(0, 0);
+                                               }
+                                       }
+                               }
+                               else
+                               {
+                                       if (r == 1 && g == 1 && b == 1)
+                                       {
+#if 0
+                                               // experimental direct state calls for measuring
+                                               // R_Mesh_ call overhead, do not use!
+                                               R_Mesh_VertexPointer(varray_vertex3f);
+                                               R_Mesh_TexCoordPointer(0, 2, varray_texcoord2f[0]);
+                                               R_Mesh_TexCoordPointer(1, 2, varray_texcoord2f[1]);
+                                               R_Mesh_TexBind(0, R_GetTexture(r_texture_white));
+                                               R_Mesh_ColorPointer(varray_color4f);
+                                               for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
+                                               {
+                                                       surface = texturesurfacelist[texturesurfaceindex];
+                                                       qglVertexPointer(3, GL_FLOAT, sizeof(float[3]), surface->groupmesh->data_vertex3f);
+                                                       qglClientActiveTexture(GL_TEXTURE0_ARB);
+                                                       qglTexCoordPointer(2, GL_FLOAT, sizeof(float[2]), surface->groupmesh->data_texcoordlightmap2f);
+                                                       qglClientActiveTexture(GL_TEXTURE1_ARB);
+                                                       qglTexCoordPointer(2, GL_FLOAT, sizeof(float[2]), surface->groupmesh->data_texcoordtexture2f);
+                                                       if (surface->lightmaptexture)
+                                                       {
+                                                               R_Mesh_TexBind(0, R_GetTexture(surface->lightmaptexture));
+                                                               qglDisableClientState(GL_COLOR_ARRAY);
+                                                               qglColor4f(r, g, b, 1);
+                                                       }
+                                                       else //if (r == 1 && g == 1 && b == 1)
+                                                       {
+                                                               R_Mesh_TexBind(0, R_GetTexture(r_texture_white));
+                                                               qglEnableClientState(GL_COLOR_ARRAY);
+                                                               qglColorPointer(4, GL_FLOAT, sizeof(float[4]), surface->groupmesh->data_lightmapcolor4f);
+                                                       }
+                                                       qglLockArraysEXT(0, surface->num_vertices);
+                                                       qglDrawRangeElements(GL_TRIANGLES, surface->num_firstvertex, surface->num_firstvertex + surface->num_vertices, surface->num_triangles * 3, GL_UNSIGNED_INT, (surface->groupmesh->data_element3i + 3 * surface->num_firsttriangle));
+                                                       qglUnlockArraysEXT();
+                                               }
+#else
+                                               groupmesh = NULL;
+                                               lightmaptexture = NULL;
+                                               for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
+                                               {
+                                                       surface = texturesurfacelist[texturesurfaceindex];
+                                                       if (groupmesh != surface->groupmesh)
+                                                       {
+                                                               groupmesh = surface->groupmesh;
+                                                               R_Mesh_VertexPointer(groupmesh->data_vertex3f);
+                                                               R_Mesh_TexCoordPointer(0, 2, groupmesh->data_texcoordlightmap2f);
+                                                               R_Mesh_TexCoordPointer(1, 2, groupmesh->data_texcoordtexture2f);
+                                                               if (!lightmaptexture)
+                                                                       R_Mesh_ColorPointer(groupmesh->data_lightmapcolor4f);
+                                                       }
+                                                       if (lightmaptexture != surface->lightmaptexture)
+                                                       {
+                                                               lightmaptexture = surface->lightmaptexture;
+                                                               if (lightmaptexture)
+                                                               {
+                                                                       R_Mesh_TexBind(0, R_GetTexture(lightmaptexture));
+                                                                       R_Mesh_ColorPointer(NULL);
+                                                               }
+                                                               else //if (r == 1 && g == 1 && b == 1)
+                                                               {
+                                                                       R_Mesh_TexBind(0, R_GetTexture(r_texture_white));
+                                                                       R_Mesh_ColorPointer(surface->groupmesh->data_lightmapcolor4f);
+                                                               }
+                                                       }
+                                                       GL_LockArrays(surface->num_firstvertex, surface->num_vertices);
+                                                       R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, (surface->groupmesh->data_element3i + 3 * surface->num_firsttriangle));
+                                                       GL_LockArrays(0, 0);
+                                               }
+#endif
+                                       }
+                                       else
+                                       {
+                                               for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
+                                               {
+                                                       surface = texturesurfacelist[texturesurfaceindex];
+                                                       R_Mesh_VertexPointer(surface->groupmesh->data_vertex3f);
+                                                       R_Mesh_TexCoordPointer(0, 2, surface->groupmesh->data_texcoordlightmap2f);
+                                                       R_Mesh_TexCoordPointer(1, 2, surface->groupmesh->data_texcoordtexture2f);
+                                                       if (surface->lightmaptexture)
+                                                       {
+                                                               R_Mesh_TexBind(0, R_GetTexture(surface->lightmaptexture));
+                                                               R_Mesh_ColorPointer(NULL);
+                                                       }
+                                                       else
+                                                       {
+                                                               R_Mesh_TexBind(0, R_GetTexture(r_texture_white));
+                                                               R_Mesh_ColorPointer(varray_color4f);
+                                                               for (i = 0, c = (varray_color4f + 4 * surface->num_firstvertex);i < surface->num_vertices;i++, c += 4)
+                                                               {
+                                                                       c[0] = (surface->groupmesh->data_lightmapcolor4f + 4 * surface->num_firstvertex)[i*4+0] * r;
+                                                                       c[1] = (surface->groupmesh->data_lightmapcolor4f + 4 * surface->num_firstvertex)[i*4+1] * g;
+                                                                       c[2] = (surface->groupmesh->data_lightmapcolor4f + 4 * surface->num_firstvertex)[i*4+2] * b;
+                                                                       c[3] = (surface->groupmesh->data_lightmapcolor4f + 4 * surface->num_firstvertex)[i*4+3];
+                                                               }
+                                                       }
+                                                       GL_LockArrays(surface->num_firstvertex, surface->num_vertices);
+                                                       R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, (surface->groupmesh->data_element3i + 3 * surface->num_firsttriangle));
+                                                       GL_LockArrays(0, 0);
+                                               }
+                                       }
+                               }
+                       }
+                       // single texture
+                       if (dolightmap)
+                       {
+                               GL_BlendFunc(GL_ONE, GL_ZERO);
+                               GL_DepthMask(true);
+                               GL_Color(1, 1, 1, 1);
+                               memset(&m, 0, sizeof(m));
+                               R_Mesh_State(&m);
+                               if (texture->textureflags & (Q3TEXTUREFLAG_AUTOSPRITE | Q3TEXTUREFLAG_AUTOSPRITE2))
+                               {
+                                       R_Mesh_VertexPointer(varray_vertex3f);
+                                       for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
+                                       {
+                                               surface = texturesurfacelist[texturesurfaceindex];
+                                               RSurf_DeformVertices(ent, texture, surface, modelorg);
+                                               R_Mesh_TexCoordPointer(0, 2, surface->groupmesh->data_texcoordlightmap2f);
+                                               if (surface->lightmaptexture)
+                                               {
+                                                       R_Mesh_TexBind(0, R_GetTexture(surface->lightmaptexture));
+                                                       R_Mesh_ColorPointer(NULL);
+                                               }
+                                               else //if (r == 1 && g == 1 && b == 1)
+                                               {
+                                                       R_Mesh_TexBind(0, R_GetTexture(r_texture_white));
+                                                       R_Mesh_ColorPointer(surface->groupmesh->data_lightmapcolor4f);
+                                               }
+                                               GL_LockArrays(surface->num_firstvertex, surface->num_vertices);
+                                               R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, (surface->groupmesh->data_element3i + 3 * surface->num_firsttriangle));
+                                               GL_LockArrays(0, 0);
+                                       }
+                               }
+                               else
+                               {
+                                       groupmesh = NULL;
+                                       lightmaptexture = NULL;
+                                       for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
+                                       {
+                                               surface = texturesurfacelist[texturesurfaceindex];
+                                               if (groupmesh != surface->groupmesh)
+                                               {
+                                                       groupmesh = surface->groupmesh;
+                                                       R_Mesh_VertexPointer(groupmesh->data_vertex3f);
+                                                       R_Mesh_TexCoordPointer(0, 2, groupmesh->data_texcoordlightmap2f);
+                                                       if (!lightmaptexture)
+                                                               R_Mesh_ColorPointer(groupmesh->data_lightmapcolor4f);
+                                               }
+                                               if (lightmaptexture != surface->lightmaptexture)
+                                               {
+                                                       lightmaptexture = surface->lightmaptexture;
+                                                       if (lightmaptexture)
+                                                       {
+                                                               R_Mesh_TexBind(0, R_GetTexture(lightmaptexture));
+                                                               R_Mesh_ColorPointer(NULL);
+                                                       }
+                                                       else //if (r == 1 && g == 1 && b == 1)
+                                                       {
+                                                               R_Mesh_TexBind(0, R_GetTexture(r_texture_white));
+                                                               R_Mesh_ColorPointer(surface->groupmesh->data_lightmapcolor4f);
+                                                       }
+                                               }
+                                               GL_LockArrays(surface->num_firstvertex, surface->num_vertices);
+                                               R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, (surface->groupmesh->data_element3i + 3 * surface->num_firsttriangle));
+                                               GL_LockArrays(0, 0);
+                                       }
+                               }
+                       }
+                       if (dobase)
+                       {
+                               GL_BlendFunc(GL_DST_COLOR, GL_SRC_COLOR);
+                               GL_DepthMask(false);
+                               GL_Color(r_lightmapintensity * ent->colormod[0], r_lightmapintensity * ent->colormod[1], r_lightmapintensity * ent->colormod[2], 1);
+                               memset(&m, 0, sizeof(m));
+                               m.tex[0] = R_GetTexture(texture->skin.base);
+                               if (waterscrolling)
+                                       m.texmatrix[0] = r_waterscrollmatrix;
+                               R_Mesh_State(&m);
+                               if (texture->textureflags & (Q3TEXTUREFLAG_AUTOSPRITE | Q3TEXTUREFLAG_AUTOSPRITE2))
+                               {
+                                       R_Mesh_VertexPointer(varray_vertex3f);
+                                       for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
+                                       {
+                                               surface = texturesurfacelist[texturesurfaceindex];
+                                               RSurf_DeformVertices(ent, texture, surface, modelorg);
+                                               R_Mesh_TexCoordPointer(0, 2, surface->groupmesh->data_texcoordtexture2f);
+                                               GL_LockArrays(surface->num_firstvertex, surface->num_vertices);
+                                               R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, (surface->groupmesh->data_element3i + 3 * surface->num_firsttriangle));
+                                               GL_LockArrays(0, 0);
+                                       }
+                               }
+                               else
+                               {
+                                       groupmesh = NULL;
+                                       for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
+                                       {
+                                               surface = texturesurfacelist[texturesurfaceindex];
+                                               if (groupmesh != surface->groupmesh)
+                                               {
+                                                       groupmesh = surface->groupmesh;
+                                                       R_Mesh_VertexPointer(groupmesh->data_vertex3f);
+                                                       R_Mesh_TexCoordPointer(0, 2, groupmesh->data_texcoordtexture2f);
+                                               }
+                                               GL_LockArrays(surface->num_firstvertex, surface->num_vertices);
+                                               R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, (surface->groupmesh->data_element3i + 3 * surface->num_firsttriangle));
+                                               GL_LockArrays(0, 0);
+                                       }
+                               }
+                       }
+               }
+               if (doambient)
+               {
+                       doambient = false;
+                       GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
+                       GL_DepthMask(false);
+                       memset(&m, 0, sizeof(m));
+                       m.tex[0] = R_GetTexture(texture->skin.base);
+                       if (waterscrolling)
+                               m.texmatrix[0] = r_waterscrollmatrix;
+                       m.pointer_color = varray_color4f;
+                       colorscale = 1;
+                       if (gl_combine.integer)
+                       {
+                               m.texrgbscale[0] = 4;
+                               colorscale *= 0.25f;
+                       }
+                       R_Mesh_State(&m);
+                       base = r_ambient.value * (1.0f / 64.0f);
+                       r = ent->colormod[0] * colorscale * base;
+                       g = ent->colormod[1] * colorscale * base;
+                       b = ent->colormod[2] * colorscale * base;
+                       a = texture->currentalpha;
+                       for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
+                       {
+                               surface = texturesurfacelist[texturesurfaceindex];
+                               vertex3f = RSurf_GetVertexPointer(ent, texture, surface, modelorg);
+                               R_Mesh_VertexPointer(vertex3f);
+                               R_Mesh_TexCoordPointer(0, 2, surface->groupmesh->data_texcoordtexture2f);
+                               for (i = 0, v = (vertex3f + 3 * surface->num_firstvertex), c = (varray_color4f + 4 * surface->num_firstvertex);i < surface->num_vertices;i++, v += 3, c += 4)
+                               {
+                                       c[0] = r;
+                                       c[1] = g;
+                                       c[2] = b;
+                                       if (fogallpasses)
+                                       {
+                                               VectorSubtract(v, modelorg, diff);
+                                               f = 1 - exp(fogdensity/DotProduct(diff, diff));
+                                               VectorScale(c, f, c);
+                                       }
+                                       if (!surface->lightmaptexture && surface->groupmesh->data_lightmapcolor4f && (texture->currentmaterialflags & MATERIALFLAG_TRANSPARENT))
+                                               c[3] = (surface->groupmesh->data_lightmapcolor4f + 4 * surface->num_firstvertex)[i*4+3] * a;
+                                       else
+                                               c[3] = a;
+                               }
+                               GL_LockArrays(surface->num_firstvertex, surface->num_vertices);
+                               R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, (surface->groupmesh->data_element3i + 3 * surface->num_firsttriangle));
+                               GL_LockArrays(0, 0);
+                       }
+               }
+               if (dodetail)
+               {
+                       GL_BlendFunc(GL_DST_COLOR, GL_SRC_COLOR);
+                       GL_DepthMask(false);
+                       GL_Color(1, 1, 1, 1);
+                       memset(&m, 0, sizeof(m));
+                       m.tex[0] = R_GetTexture(texture->skin.detail);
+                       R_Mesh_State(&m);
+                       for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
+                       {
+                               surface = texturesurfacelist[texturesurfaceindex];
+                               R_Mesh_VertexPointer(RSurf_GetVertexPointer(ent, texture, surface, modelorg));
+                               R_Mesh_TexCoordPointer(0, 2, surface->groupmesh->data_texcoorddetail2f);
+                               GL_LockArrays(surface->num_firstvertex, surface->num_vertices);
+                               R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, (surface->groupmesh->data_element3i + 3 * surface->num_firsttriangle));
+                               GL_LockArrays(0, 0);
+                       }
+               }
+               if (doglow)
+               {
+                       // if glow was not already done using multitexture, do it now.
+                       GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
+                       GL_DepthMask(false);
+                       memset(&m, 0, sizeof(m));
+                       m.tex[0] = R_GetTexture(texture->skin.glow);
+                       if (waterscrolling)
+                               m.texmatrix[0] = r_waterscrollmatrix;
+                       m.pointer_color = varray_color4f;
+                       R_Mesh_State(&m);
+                       colorscale = 1;
+                       r = ent->colormod[0] * colorscale;
+                       g = ent->colormod[1] * colorscale;
+                       b = ent->colormod[2] * colorscale;
+                       a = texture->currentalpha;
+                       if (fogallpasses)
+                       {
+                               for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
+                               {
+                                       surface = texturesurfacelist[texturesurfaceindex];
+                                       vertex3f = RSurf_GetVertexPointer(ent, texture, surface, modelorg);
+                                       R_Mesh_VertexPointer(vertex3f);
+                                       R_Mesh_TexCoordPointer(0, 2, surface->groupmesh->data_texcoordtexture2f);
+                                       R_Mesh_ColorPointer(varray_color4f);
+                                       if (!surface->lightmaptexture && surface->groupmesh->data_lightmapcolor4f && (texture->currentmaterialflags & MATERIALFLAG_TRANSPARENT))
+                                       {
+                                               for (i = 0, v = (vertex3f + 3 * surface->num_firstvertex), c = (varray_color4f + 4 * surface->num_firstvertex);i < surface->num_vertices;i++, v += 3, c += 4)
+                                               {
+                                                       VectorSubtract(v, modelorg, diff);
+                                                       f = 1 - exp(fogdensity/DotProduct(diff, diff));
+                                                       c[0] = f * r;
+                                                       c[1] = f * g;
+                                                       c[2] = f * b;
+                                                       c[3] = (surface->groupmesh->data_lightmapcolor4f + 4 * surface->num_firstvertex)[i*4+3] * a;
+                                               }
+                                       }
+                                       else
+                                       {
+                                               for (i = 0, v = (vertex3f + 3 * surface->num_firstvertex), c = (varray_color4f + 4 * surface->num_firstvertex);i < surface->num_vertices;i++, v += 3, c += 4)
+                                               {
+                                                       VectorSubtract(v, modelorg, diff);
+                                                       f = 1 - exp(fogdensity/DotProduct(diff, diff));
+                                                       c[0] = f * r;
+                                                       c[1] = f * g;
+                                                       c[2] = f * b;
+                                                       c[3] = a;
+                                               }
+                                       }
+                                       GL_LockArrays(surface->num_firstvertex, surface->num_vertices);
+                                       R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, (surface->groupmesh->data_element3i + 3 * surface->num_firsttriangle));
+                                       GL_LockArrays(0, 0);
+                               }
+                       }
+                       else
+                       {
+                               for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
+                               {
+                                       surface = texturesurfacelist[texturesurfaceindex];
+                                       vertex3f = RSurf_GetVertexPointer(ent, texture, surface, modelorg);
+                                       R_Mesh_VertexPointer(vertex3f);
+                                       R_Mesh_TexCoordPointer(0, 2, surface->groupmesh->data_texcoordtexture2f);
+                                       if (!surface->lightmaptexture && surface->groupmesh->data_lightmapcolor4f && (texture->currentmaterialflags & MATERIALFLAG_TRANSPARENT))
+                                       {
+                                               R_Mesh_ColorPointer(varray_color4f);
+                                               for (i = 0, v = (vertex3f + 3 * surface->num_firstvertex), c = (varray_color4f + 4 * surface->num_firstvertex);i < surface->num_vertices;i++, v += 3, c += 4)
+                                               {
+                                                       c[0] = r;
+                                                       c[1] = g;
+                                                       c[2] = b;
+                                                       c[3] = (surface->groupmesh->data_lightmapcolor4f + 4 * surface->num_firstvertex)[i*4+3] * a;
+                                               }
+                                       }
+                                       else
+                                       {
+                                               R_Mesh_ColorPointer(NULL);
+                                               GL_Color(r, g, b, a);
+                                       }
+                                       GL_LockArrays(surface->num_firstvertex, surface->num_vertices);
+                                       R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, (surface->groupmesh->data_element3i + 3 * surface->num_firsttriangle));
+                                       GL_LockArrays(0, 0);
+                               }
+                       }
+               }
+               if (dofogpass)
+               {
+                       // if this is opaque use alpha blend which will darken the earlier
+                       // passes cheaply.
+                       //
+                       // if this is an alpha blended material, all the earlier passes
+                       // were darkened by fog already, so we only need to add the fog
+                       // color ontop through the fog mask texture
+                       //
+                       // if this is an additive blended material, all the earlier passes
+                       // were darkened by fog already, and we should not add fog color
+                       // (because the background was not darkened, there is no fog color
+                       // that was lost behind it).
+                       if (!fogallpasses)
+                               GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
+                       else
+                               GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+                       GL_DepthMask(false);
+                       memset(&m, 0, sizeof(m));
+                       m.tex[0] = R_GetTexture(texture->skin.fog);
+                       if (waterscrolling)
+                               m.texmatrix[0] = r_waterscrollmatrix;
+                       R_Mesh_State(&m);
+                       r = fogcolor[0];
+                       g = fogcolor[1];
+                       b = fogcolor[2];
+                       a = texture->currentalpha;
+                       for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
+                       {
+                               surface = texturesurfacelist[texturesurfaceindex];
+                               vertex3f = RSurf_GetVertexPointer(ent, texture, surface, modelorg);
+                               R_Mesh_VertexPointer(vertex3f);
+                               R_Mesh_TexCoordPointer(0, 2, surface->groupmesh->data_texcoordtexture2f);
+                               R_Mesh_ColorPointer(varray_color4f);
+                               //RSurf_FogPassColors_Vertex3f_Color4f((surface->groupmesh->data_vertex3f + 3 * surface->num_firstvertex), varray_color4f, fogcolor[0], fogcolor[1], fogcolor[2], texture->currentalpha, 1, surface->num_vertices, modelorg);
+                               if (!surface->lightmaptexture && surface->groupmesh->data_lightmapcolor4f && (texture->currentmaterialflags & MATERIALFLAG_TRANSPARENT))
+                               {
+                                       for (i = 0, v = (vertex3f + 3 * surface->num_firstvertex), c = (varray_color4f + 4 * surface->num_firstvertex);i < surface->num_vertices;i++, v += 3, c += 4)
+                                       {
+                                               VectorSubtract(v, modelorg, diff);
+                                               f = exp(fogdensity/DotProduct(diff, diff));
+                                               c[0] = r;
+                                               c[1] = g;
+                                               c[2] = b;
+                                               c[3] = (surface->groupmesh->data_lightmapcolor4f + 4 * surface->num_firstvertex)[i*4+3] * f * a;
+                                       }
+                               }
+                               else
+                               {
+                                       for (i = 0, v = (vertex3f + 3 * surface->num_firstvertex), c = (varray_color4f + 4 * surface->num_firstvertex);i < surface->num_vertices;i++, v += 3, c += 4)
+                                       {
+                                               VectorSubtract(v, modelorg, diff);
+                                               f = exp(fogdensity/DotProduct(diff, diff));
+                                               c[0] = r;
+                                               c[1] = g;
+                                               c[2] = b;
+                                               c[3] = f * a;
+                                       }
+                               }
+                               GL_LockArrays(surface->num_firstvertex, surface->num_vertices);
+                               R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, (surface->groupmesh->data_element3i + 3 * surface->num_firsttriangle));
+                               GL_LockArrays(0, 0);
+                       }
+               }
+       }
+       if (texture->textureflags & Q3TEXTUREFLAG_TWOSIDED)
+               qglEnable(GL_CULL_FACE);
+}
+
+static void RSurfShader_Transparent_Callback(const void *calldata1, int calldata2)
+{
+       const entity_render_t *ent = calldata1;
+       const msurface_t *surface = ent->model->data_surfaces + calldata2;
+       vec3_t modelorg;
+       texture_t *texture;
+
+       texture = surface->texture;
+       if (texture->basematerialflags & MATERIALFLAG_SKY)
+               return; // transparent sky is too difficult
+       R_UpdateTextureInfo(ent, texture);
+
+       R_Mesh_Matrix(&ent->matrix);
+       Matrix4x4_Transform(&ent->inversematrix, r_vieworigin, modelorg);
+       R_DrawTextureSurfaceList(ent, texture->currentframe, 1, &surface, modelorg);
+}
+
+void R_QueueTextureSurfaceList(entity_render_t *ent, texture_t *texture, int texturenumsurfaces, const msurface_t **texturesurfacelist, const vec3_t modelorg)
+{
+       int texturesurfaceindex;
+       const msurface_t *surface;
+       vec3_t tempcenter, center;
+       if (texture->currentmaterialflags & MATERIALFLAG_TRANSPARENT)
+       {
+               // drawing sky transparently would be too difficult
+               if (!(texture->currentmaterialflags & MATERIALFLAG_SKY))
+               {
+                       for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
+                       {
+                               surface = texturesurfacelist[texturesurfaceindex];
+                               tempcenter[0] = (surface->mins[0] + surface->maxs[0]) * 0.5f;
+                               tempcenter[1] = (surface->mins[1] + surface->maxs[1]) * 0.5f;
+                               tempcenter[2] = (surface->mins[2] + surface->maxs[2]) * 0.5f;
+                               Matrix4x4_Transform(&ent->matrix, tempcenter, center);
+                               R_MeshQueue_AddTransparent(ent->effects & EF_NODEPTHTEST ? r_vieworigin : center, RSurfShader_Transparent_Callback, ent, surface - ent->model->data_surfaces);
+                       }
+               }
+       }
+       else
+               R_DrawTextureSurfaceList(ent, texture, texturenumsurfaces, texturesurfacelist, modelorg);
+}
+
+extern void R_BuildLightMap(const entity_render_t *ent, msurface_t *surface);
+void R_DrawSurfaces(entity_render_t *ent, qboolean skysurfaces)
+{
+       int i, j, f, flagsmask;
+       msurface_t *surface, **surfacechain;
+       texture_t *t, *texture;
+       model_t *model = ent->model;
+       vec3_t modelorg;
+       const int maxsurfacelist = 1024;
+       int numsurfacelist = 0;
+       const msurface_t *surfacelist[1024];
+       if (model == NULL)
+               return;
+       R_Mesh_Matrix(&ent->matrix);
+       Matrix4x4_Transform(&ent->inversematrix, r_vieworigin, modelorg);
+
+       // update light styles
+       if (!skysurfaces && model->brushq1.light_styleupdatechains)
+       {
+               for (i = 0;i < model->brushq1.light_styles;i++)
+               {
+                       if (model->brushq1.light_stylevalue[i] != d_lightstylevalue[model->brushq1.light_style[i]])
+                       {
+                               model->brushq1.light_stylevalue[i] = d_lightstylevalue[model->brushq1.light_style[i]];
+                               if ((surfacechain = model->brushq1.light_styleupdatechains[i]))
+                                       for (;(surface = *surfacechain);surfacechain++)
+                                               surface->cached_dlight = true;
+                       }
+               }
+       }
+
+       R_UpdateAllTextureInfo(ent);
+       flagsmask = skysurfaces ? MATERIALFLAG_SKY : (MATERIALFLAG_WATER | MATERIALFLAG_WALL);
+       f = 0;
+       t = NULL;
+       texture = NULL;
+       numsurfacelist = 0;
+       if (ent == r_refdef.worldentity)
+       {
+               for (i = 0, j = model->firstmodelsurface, surface = model->data_surfaces + j;i < model->nummodelsurfaces;i++, j++, surface++)
+               {
+                       if (!r_worldsurfacevisible[j])
+                               continue;
+                       if (t != surface->texture)
+                       {
+                               if (numsurfacelist)
+                               {
+                                       R_QueueTextureSurfaceList(ent, texture, numsurfacelist, surfacelist, modelorg);
+                                       numsurfacelist = 0;
+                               }
+                               t = surface->texture;
+                               f = t->currentmaterialflags & flagsmask;
+                               texture = t->currentframe;
+                       }
+                       if (f && surface->num_triangles)
+                       {
+                               // if lightmap parameters changed, rebuild lightmap texture
+                               if (surface->cached_dlight && surface->lightmapinfo->samples)
+                                       R_BuildLightMap(ent, surface);
+                               // add face to draw list
+                               surfacelist[numsurfacelist++] = surface;
+                               if (numsurfacelist >= maxsurfacelist)
+                               {
+                                       R_QueueTextureSurfaceList(ent, texture, numsurfacelist, surfacelist, modelorg);
+                                       numsurfacelist = 0;
+                               }
+                       }
+               }
+       }
+       else
+       {
+               for (i = 0, j = model->firstmodelsurface, surface = model->data_surfaces + j;i < model->nummodelsurfaces;i++, j++, surface++)
+               {
+                       if (t != surface->texture)
+                       {
+                               if (numsurfacelist)
+                               {
+                                       R_QueueTextureSurfaceList(ent, texture, numsurfacelist, surfacelist, modelorg);
+                                       numsurfacelist = 0;
+                               }
+                               t = surface->texture;
+                               f = t->currentmaterialflags & flagsmask;
+                               texture = t->currentframe;
+                       }
+                       if (f && surface->num_triangles)
+                       {
+                               // if lightmap parameters changed, rebuild lightmap texture
+                               if (surface->cached_dlight && surface->lightmapinfo->samples)
+                                       R_BuildLightMap(ent, surface);
+                               // add face to draw list
+                               surfacelist[numsurfacelist++] = surface;
+                               if (numsurfacelist >= maxsurfacelist)
+                               {
+                                       R_QueueTextureSurfaceList(ent, texture, numsurfacelist, surfacelist, modelorg);
+                                       numsurfacelist = 0;
+                               }
+                       }
+               }
+       }
+       if (numsurfacelist)
+               R_QueueTextureSurfaceList(ent, texture, numsurfacelist, surfacelist, modelorg);
+}
+