]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - model_brush.c
huge audit of dprints throughout engine, all notices of successfully
[xonotic/darkplaces.git] / model_brush.c
index 833787e1de58792aa2521a17e8dd028fe73a163e..dd4353a1f0d6f8c9a03a73399cbbb30f9e6811c3 100644 (file)
@@ -28,9 +28,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
 //cvar_t r_subdivide_size = {CVAR_SAVE, "r_subdivide_size", "128", "how large water polygons should be (smaller values produce more polygons which give better warping effects)"};
 cvar_t halflifebsp = {0, "halflifebsp", "0", "indicates the current map is hlbsp format (useful to know because of different bounding box sizes)"};
-cvar_t mcbsp = {0, "mcbsp", "0", "indicates the current map is mcbsp format (useful to know because of different bounding box sizes)"};
 cvar_t r_novis = {0, "r_novis", "0", "draws whole level, see also sv_cullentities_pvs 0"};
-cvar_t r_lightmaprgba = {0, "r_lightmaprgba", "1", "whether to use RGBA (32bit) or RGB (24bit) lightmaps"};
 cvar_t r_picmipworld = {CVAR_SAVE, "r_picmipworld", "1", "whether gl_picmip shall apply to world textures too"};
 cvar_t r_nosurftextures = {0, "r_nosurftextures", "0", "pretends there was no texture lump found in the q1bsp/hlbsp loading (useful for debugging this rare case)"};
 cvar_t r_subdivisions_tolerance = {0, "r_subdivisions_tolerance", "4", "maximum error tolerance on curve subdivision for rendering purposes (in other words, the curves will be given as many polygons as necessary to represent curves at this quality)"};
@@ -56,9 +54,7 @@ void Mod_BrushInit(void)
 {
 //     Cvar_RegisterVariable(&r_subdivide_size);
        Cvar_RegisterVariable(&halflifebsp);
-       Cvar_RegisterVariable(&mcbsp);
        Cvar_RegisterVariable(&r_novis);
-       Cvar_RegisterVariable(&r_lightmaprgba);
        Cvar_RegisterVariable(&r_picmipworld);
        Cvar_RegisterVariable(&r_nosurftextures);
        Cvar_RegisterVariable(&r_subdivisions_tolerance);
@@ -629,7 +625,7 @@ static int Mod_Q1BSP_RecursiveHullCheck(RecursiveHullCheckTraceInfo_t *t, int nu
        double t1, t2;
 
        // variables that need to be stored on the stack when recursing
-       dclipnode_t *node;
+       mclipnode_t *node;
        int side;
        double midf, mid[3];
 
@@ -785,8 +781,16 @@ loc0:
 //#if COLLISIONPARANOID < 2
 static int Mod_Q1BSP_RecursiveHullCheckPoint(RecursiveHullCheckTraceInfo_t *t, int num)
 {
+       mplane_t *plane;
+       mclipnode_t *nodes = t->hull->clipnodes;
+       mplane_t *planes = t->hull->planes;
+       vec3_t point;
+       VectorCopy(t->start, point);
        while (num >= 0)
-               num = t->hull->clipnodes[num].children[(t->hull->planes[t->hull->clipnodes[num].planenum].type < 3 ? t->start[t->hull->planes[t->hull->clipnodes[num].planenum].type] : DotProduct(t->hull->planes[t->hull->clipnodes[num].planenum].normal, t->start)) < t->hull->planes[t->hull->clipnodes[num].planenum].dist];
+       {
+               plane = planes + nodes[num].planenum;
+               num = nodes[num].children[(plane->type < 3 ? point[plane->type] : DotProduct(plane->normal, point)) < plane->dist];
+       }
        num = Mod_Q1BSP_SuperContentsFromNativeContents(NULL, num);
        t->trace->startsupercontents |= num;
        if (num & SUPERCONTENTS_LIQUIDSMASK)
@@ -822,13 +826,6 @@ static void Mod_Q1BSP_TraceBox(struct model_s *model, int frame, trace_t *trace,
        VectorSubtract(boxmaxs, boxmins, boxsize);
        if (boxsize[0] < 3)
                rhc.hull = &model->brushq1.hulls[0]; // 0x0x0
-       else if (model->brush.ismcbsp)
-       {
-               if (boxsize[2] < 48) // pick the nearest of 40 or 56
-                       rhc.hull = &model->brushq1.hulls[2]; // 16x16x40
-               else
-                       rhc.hull = &model->brushq1.hulls[1]; // 16x16x56
-       }
        else if (model->brush.ishlbsp)
        {
                // LordHavoc: this has to have a minor tolerance (the .1) because of
@@ -886,6 +883,20 @@ static void Mod_Q1BSP_TraceBox(struct model_s *model, int frame, trace_t *trace,
 #endif
 }
 
+static int Mod_Q1BSP_PointSuperContents(struct model_s *model, int frame, const vec3_t point)
+{
+       int num = 0;
+       mplane_t *plane;
+       mclipnode_t *nodes = model->brushq1.hulls[0].clipnodes;
+       mplane_t *planes = model->brushq1.hulls[0].planes;
+       while (num >= 0)
+       {
+               plane = planes + nodes[num].planenum;
+               num = nodes[num].children[(plane->type < 3 ? point[plane->type] : DotProduct(plane->normal, point)) < plane->dist];
+       }
+       return Mod_Q1BSP_SuperContentsFromNativeContents(NULL, num);
+}
+
 void Collision_ClipTrace_Box(trace_t *trace, const vec3_t cmins, const vec3_t cmaxs, const vec3_t start, const vec3_t mins, const vec3_t maxs, const vec3_t end, int hitsupercontentsmask, int boxsupercontents, int boxq3surfaceflags, texture_t *boxtexture)
 {
 #if 1
@@ -925,7 +936,7 @@ void Collision_ClipTrace_Box(trace_t *trace, const vec3_t cmins, const vec3_t cm
 #else
        RecursiveHullCheckTraceInfo_t rhc;
        static hull_t box_hull;
-       static dclipnode_t box_clipnodes[6];
+       static mclipnode_t box_clipnodes[6];
        static mplane_t box_planes[6];
        // fill in a default trace
        memset(&rhc, 0, sizeof(rhc));
@@ -1111,8 +1122,14 @@ loc0:
                // check for impact on this node
                if (node->numsurfaces)
                {
-                       int i, ds, dt;
+                       int i, dsi, dti, lmwidth, lmheight;
+                       float ds, dt;
                        msurface_t *surface;
+                       unsigned char *lightmap;
+                       int maps, line3, size3;
+                       float dsfrac;
+                       float dtfrac;
+                       float scale, w, w00, w01, w10, w11;
 
                        surface = model->data_surfaces + node->firstsurface;
                        for (i = 0;i < node->numsurfaces;i++, surface++)
@@ -1120,66 +1137,46 @@ loc0:
                                if (!(surface->texture->basematerialflags & MATERIALFLAG_WALL) || !surface->lightmapinfo->samples)
                                        continue;       // no lightmaps
 
-                               ds = (int) (x * surface->lightmapinfo->texinfo->vecs[0][0] + y * surface->lightmapinfo->texinfo->vecs[0][1] + mid * surface->lightmapinfo->texinfo->vecs[0][2] + surface->lightmapinfo->texinfo->vecs[0][3]) - surface->lightmapinfo->texturemins[0];
-                               dt = (int) (x * surface->lightmapinfo->texinfo->vecs[1][0] + y * surface->lightmapinfo->texinfo->vecs[1][1] + mid * surface->lightmapinfo->texinfo->vecs[1][2] + surface->lightmapinfo->texinfo->vecs[1][3]) - surface->lightmapinfo->texturemins[1];
+                               // location we want to sample in the lightmap
+                               ds = ((x * surface->lightmapinfo->texinfo->vecs[0][0] + y * surface->lightmapinfo->texinfo->vecs[0][1] + mid * surface->lightmapinfo->texinfo->vecs[0][2] + surface->lightmapinfo->texinfo->vecs[0][3]) - surface->lightmapinfo->texturemins[0]) * 0.0625f;
+                               dt = ((x * surface->lightmapinfo->texinfo->vecs[1][0] + y * surface->lightmapinfo->texinfo->vecs[1][1] + mid * surface->lightmapinfo->texinfo->vecs[1][2] + surface->lightmapinfo->texinfo->vecs[1][3]) - surface->lightmapinfo->texturemins[1]) * 0.0625f;
+
+                               // check the bounds
+                               dsi = (int)ds;
+                               dti = (int)dt;
+                               lmwidth = ((surface->lightmapinfo->extents[0]>>4)+1);
+                               lmheight = ((surface->lightmapinfo->extents[1]>>4)+1);
 
-                               if (ds >= 0 && ds < surface->lightmapinfo->extents[0] && dt >= 0 && dt < surface->lightmapinfo->extents[1])
+                               // is it in bounds?
+                               if (dsi >= 0 && dsi < lmwidth-1 && dti >= 0 && dti < lmheight-1)
                                {
-                                       unsigned char *lightmap;
-                                       int lmwidth, lmheight, maps, line3, size3, dsfrac = ds & 15, dtfrac = dt & 15, scale = 0, r00 = 0, g00 = 0, b00 = 0, r01 = 0, g01 = 0, b01 = 0, r10 = 0, g10 = 0, b10 = 0, r11 = 0, g11 = 0, b11 = 0;
-                                       lmwidth = ((surface->lightmapinfo->extents[0]>>4)+1);
-                                       lmheight = ((surface->lightmapinfo->extents[1]>>4)+1);
+                                       // calculate bilinear interpolation factors
+                                       // and also multiply by fixedpoint conversion factors
+                                       dsfrac = ds - dsi;
+                                       dtfrac = dt - dti;
+                                       w00 = (1 - dsfrac) * (1 - dtfrac) * (1.0f / 32768.0f);
+                                       w01 = (    dsfrac) * (1 - dtfrac) * (1.0f / 32768.0f);
+                                       w10 = (1 - dsfrac) * (    dtfrac) * (1.0f / 32768.0f);
+                                       w11 = (    dsfrac) * (    dtfrac) * (1.0f / 32768.0f);
+
+                                       // values for pointer math
                                        line3 = lmwidth * 3; // LordHavoc: *3 for colored lighting
                                        size3 = lmwidth * lmheight * 3; // LordHavoc: *3 for colored lighting
 
-                                       lightmap = surface->lightmapinfo->samples + ((dt>>4) * lmwidth + (ds>>4))*3; // LordHavoc: *3 for colored lighting
+                                       // look up the pixel
+                                       lightmap = surface->lightmapinfo->samples + dti * line3 + dsi*3; // LordHavoc: *3 for colored lighting
 
+                                       // bilinear filter each lightmap style, and sum them
                                        for (maps = 0;maps < MAXLIGHTMAPS && surface->lightmapinfo->styles[maps] != 255;maps++)
                                        {
-                                               scale = r_refdef.lightstylevalue[surface->lightmapinfo->styles[maps]];
-                                               r00 += lightmap[      0] * scale;g00 += lightmap[      1] * scale;b00 += lightmap[      2] * scale;
-                                               r01 += lightmap[      3] * scale;g01 += lightmap[      4] * scale;b01 += lightmap[      5] * scale;
-                                               r10 += lightmap[line3+0] * scale;g10 += lightmap[line3+1] * scale;b10 += lightmap[line3+2] * scale;
-                                               r11 += lightmap[line3+3] * scale;g11 += lightmap[line3+4] * scale;b11 += lightmap[line3+5] * scale;
+                                               scale = r_refdef.scene.lightstylevalue[surface->lightmapinfo->styles[maps]];
+                                               w = w00 * scale;VectorMA(ambientcolor, w, lightmap            , ambientcolor);
+                                               w = w01 * scale;VectorMA(ambientcolor, w, lightmap + 3        , ambientcolor);
+                                               w = w10 * scale;VectorMA(ambientcolor, w, lightmap + line3    , ambientcolor);
+                                               w = w11 * scale;VectorMA(ambientcolor, w, lightmap + line3 + 3, ambientcolor);
                                                lightmap += size3;
                                        }
 
-/*
-LordHavoc: here's the readable version of the interpolation
-code, not quite as easy for the compiler to optimize...
-
-dsfrac is the X position in the lightmap pixel, * 16
-dtfrac is the Y position in the lightmap pixel, * 16
-r00 is top left corner, r01 is top right corner
-r10 is bottom left corner, r11 is bottom right corner
-g and b are the same layout.
-r0 and r1 are the top and bottom intermediate results
-
-first we interpolate the top two points, to get the top
-edge sample
-
-       r0 = (((r01-r00) * dsfrac) >> 4) + r00;
-       g0 = (((g01-g00) * dsfrac) >> 4) + g00;
-       b0 = (((b01-b00) * dsfrac) >> 4) + b00;
-
-then we interpolate the bottom two points, to get the
-bottom edge sample
-
-       r1 = (((r11-r10) * dsfrac) >> 4) + r10;
-       g1 = (((g11-g10) * dsfrac) >> 4) + g10;
-       b1 = (((b11-b10) * dsfrac) >> 4) + b10;
-
-then we interpolate the top and bottom samples to get the
-middle sample (the one which was requested)
-
-       r = (((r1-r0) * dtfrac) >> 4) + r0;
-       g = (((g1-g0) * dtfrac) >> 4) + g0;
-       b = (((b1-b0) * dtfrac) >> 4) + b0;
-*/
-
-                                       ambientcolor[0] += (float) ((((((((r11-r10) * dsfrac) >> 4) + r10)-((((r01-r00) * dsfrac) >> 4) + r00)) * dtfrac) >> 4) + ((((r01-r00) * dsfrac) >> 4) + r00)) * (1.0f / 32768.0f);
-                                       ambientcolor[1] += (float) ((((((((g11-g10) * dsfrac) >> 4) + g10)-((((g01-g00) * dsfrac) >> 4) + g00)) * dtfrac) >> 4) + ((((g01-g00) * dsfrac) >> 4) + g00)) * (1.0f / 32768.0f);
-                                       ambientcolor[2] += (float) ((((((((b11-b10) * dsfrac) >> 4) + b10)-((((b01-b00) * dsfrac) >> 4) + b00)) * dtfrac) >> 4) + ((((b01-b00) * dsfrac) >> 4) + b00)) * (1.0f / 32768.0f);
                                        return true; // success
                                }
                        }
@@ -1258,14 +1255,6 @@ void R_Q1BSP_LoadSplitSky (unsigned char *src, int width, int height, int bytesp
        if (loadmodel->texturepool == NULL && cls.state != ca_dedicated)
                loadmodel->texturepool = R_AllocTexturePool();
 
-       // if sky isn't the right size, just use it as a solid layer
-       if (width != 256 || height != 128)
-       {
-               loadmodel->brush.solidskytexture = R_LoadTexture2D(loadmodel->texturepool, "sky_solidtexture", width, height, src, bytesperpixel == 4 ? TEXTYPE_RGBA : TEXTYPE_PALETTE, TEXF_PRECACHE, bytesperpixel == 1 ? palette_complete : NULL);
-               loadmodel->brush.alphaskytexture = NULL;
-               return;
-       }
-
        if (bytesperpixel == 4)
        {
                for (i = 0;i < 128;i++)
@@ -1287,34 +1276,35 @@ void R_Q1BSP_LoadSplitSky (unsigned char *src, int width, int height, int bytesp
                        unsigned int i;
                        unsigned char b[4];
                }
-               rgba;
+               bgra;
                r = g = b = 0;
                for (i = 0;i < 128;i++)
                {
                        for (j = 0;j < 128;j++)
                        {
-                               rgba.i = palette_complete[src[i*256 + j + 128]];
-                               r += rgba.b[0];
-                               g += rgba.b[1];
-                               b += rgba.b[2];
+                               p = src[i*256 + j + 128];
+                               r += palette_rgb[p][0];
+                               g += palette_rgb[p][1];
+                               b += palette_rgb[p][2];
                        }
                }
-               rgba.b[0] = r/(128*128);
-               rgba.b[1] = g/(128*128);
-               rgba.b[2] = b/(128*128);
-               rgba.b[3] = 0;
+               bgra.b[2] = r/(128*128);
+               bgra.b[1] = g/(128*128);
+               bgra.b[0] = b/(128*128);
+               bgra.b[3] = 0;
                for (i = 0;i < 128;i++)
                {
                        for (j = 0;j < 128;j++)
                        {
-                               solidpixels[(i*128) + j] = palette_complete[src[i*256 + j + 128]];
-                               alphapixels[(i*128) + j] = (p = src[i*256 + j]) ? palette_complete[p] : rgba.i;
+                               solidpixels[(i*128) + j] = palette_bgra_complete[src[i*256 + j + 128]];
+                               p = src[i*256 + j];
+                               alphapixels[(i*128) + j] = p ? palette_bgra_complete[p] : bgra.i;
                        }
                }
        }
 
-       loadmodel->brush.solidskytexture = R_LoadTexture2D(loadmodel->texturepool, "sky_solidtexture", 128, 128, (unsigned char *) solidpixels, TEXTYPE_RGBA, TEXF_PRECACHE, NULL);
-       loadmodel->brush.alphaskytexture = R_LoadTexture2D(loadmodel->texturepool, "sky_alphatexture", 128, 128, (unsigned char *) alphapixels, TEXTYPE_RGBA, TEXF_ALPHA | TEXF_PRECACHE, NULL);
+       loadmodel->brush.solidskytexture = R_LoadTexture2D(loadmodel->texturepool, "sky_solidtexture", 128, 128, (unsigned char *) solidpixels, TEXTYPE_BGRA, TEXF_PRECACHE, NULL);
+       loadmodel->brush.alphaskytexture = R_LoadTexture2D(loadmodel->texturepool, "sky_alphatexture", 128, 128, (unsigned char *) alphapixels, TEXTYPE_BGRA, TEXF_ALPHA | TEXF_PRECACHE, NULL);
 }
 
 static void Mod_Q1BSP_LoadTextures(lump_t *l)
@@ -1327,6 +1317,9 @@ static void Mod_Q1BSP_LoadTextures(lump_t *l)
        unsigned char *data, *mtdata;
        const char *s;
        char mapname[MAX_QPATH], name[MAX_QPATH];
+       unsigned char zero[4];
+
+       memset(zero, 0, sizeof(zero));
 
        loadmodel->data_textures = NULL;
 
@@ -1365,19 +1358,28 @@ static void Mod_Q1BSP_LoadTextures(lump_t *l)
                        tx->currentskinframe = tx->skinframes[0];
                        tx->basematerialflags = 0;
                }
+               tx->basematerialflags = MATERIALFLAG_WALL;
                if (i == loadmodel->num_textures - 1)
                {
-                       tx->basematerialflags |= MATERIALFLAG_WATER | MATERIALFLAG_LIGHTBOTHSIDES | MATERIALFLAG_NOSHADOW;
+                       tx->basematerialflags |= MATERIALFLAG_WATERSCROLL | MATERIALFLAG_LIGHTBOTHSIDES | MATERIALFLAG_NOSHADOW;
                        tx->supercontents = mod_q1bsp_texture_water.supercontents;
                        tx->surfaceflags = mod_q1bsp_texture_water.surfaceflags;
                }
                else
                {
-                       tx->basematerialflags |= MATERIALFLAG_WALL;
                        tx->supercontents = mod_q1bsp_texture_solid.supercontents;
                        tx->surfaceflags = mod_q1bsp_texture_solid.surfaceflags;
                }
                tx->currentframe = tx;
+
+               // clear water settings
+               tx->reflectmin = 0;
+               tx->reflectmax = 1;
+               tx->refractfactor = 1;
+               Vector4Set(tx->refractcolor4f, 1, 1, 1, 1);
+               tx->reflectfactor = 1;
+               Vector4Set(tx->reflectcolor4f, 1, 1, 1, 1);
+               tx->r_water_wateralpha = 1;
        }
 
        if (!m)
@@ -1442,7 +1444,7 @@ static void Mod_Q1BSP_LoadTextures(lump_t *l)
                        if (name[j] >= 'A' && name[j] <= 'Z')
                                name[j] += 'a' - 'A';
 
-               if (dmiptex->name[0] && Mod_LoadTextureFromQ3Shader(loadmodel->data_textures + i, name, true, false, false))
+               if (dmiptex->name[0] && Mod_LoadTextureFromQ3Shader(loadmodel->data_textures + i, name, false, false, 0))
                        continue;
 
                tx = loadmodel->data_textures + i;
@@ -1486,8 +1488,8 @@ static void Mod_Q1BSP_LoadTextures(lump_t *l)
                        {
                                if (loadmodel->isworldmodel)
                                {
-                                       data = loadimagepixels(tx->name, false, 0, 0);
-                                       if (data)
+                                       data = loadimagepixelsbgra(tx->name, false, false);
+                                       if (data && image_width == 256 && image_height == 128)
                                        {
                                                R_Q1BSP_LoadSplitSky(data, image_width, image_height, 4);
                                                Mem_Free(data);
@@ -1510,41 +1512,57 @@ static void Mod_Q1BSP_LoadTextures(lump_t *l)
                                                unsigned char *pixels, *freepixels;
                                                pixels = freepixels = NULL;
                                                if (mtdata)
-                                                       pixels = W_ConvertWAD3Texture(dmiptex);
+                                                       pixels = W_ConvertWAD3TextureBGRA(dmiptex);
                                                if (pixels == NULL)
-                                                       pixels = freepixels = W_GetTexture(tx->name);
+                                                       pixels = freepixels = W_GetTextureBGRA(tx->name);
                                                if (pixels != NULL)
                                                {
                                                        tx->width = image_width;
                                                        tx->height = image_height;
-                                                       skinframe = R_SkinFrame_LoadInternal(tx->name, TEXF_MIPMAP | TEXF_ALPHA | TEXF_PRECACHE | (r_picmipworld.integer ? TEXF_PICMIP : 0), false, false, pixels, image_width, image_height, 32, NULL, NULL);
+                                                       skinframe = R_SkinFrame_LoadInternalBGRA(tx->name, TEXF_MIPMAP | TEXF_ALPHA | TEXF_PRECACHE | (r_picmipworld.integer ? TEXF_PICMIP : 0), pixels, image_width, image_height);
                                                }
                                                if (freepixels)
                                                        Mem_Free(freepixels);
                                        }
                                        else if (mtdata) // texture included
-                                               skinframe = R_SkinFrame_LoadInternal(tx->name, TEXF_MIPMAP | TEXF_PRECACHE | (r_picmipworld.integer ? TEXF_PICMIP : 0), false, r_fullbrights.integer, mtdata, tx->width, tx->height, 8, NULL, NULL);
+                                               skinframe = R_SkinFrame_LoadInternalQuake(tx->name, TEXF_MIPMAP | TEXF_PRECACHE | (r_picmipworld.integer ? TEXF_PICMIP : 0), false, r_fullbrights.integer, mtdata, tx->width, tx->height);
                                }
                                // if skinframe is still NULL the "missing" texture will be used
                                if (skinframe)
                                        tx->skinframes[0] = skinframe;
                        }
 
-                       tx->basematerialflags = 0;
+                       tx->basematerialflags = MATERIALFLAG_WALL;
                        if (tx->name[0] == '*')
                        {
                                // LordHavoc: some turbulent textures should not be affected by wateralpha
-                               if (strncmp(tx->name,"*lava",5)
-                                && strncmp(tx->name,"*teleport",9)
-                                && strncmp(tx->name,"*rift",5)) // Scourge of Armagon texture
-                                       tx->basematerialflags |= MATERIALFLAG_WATERALPHA | MATERIALFLAG_NOSHADOW;
-                               tx->basematerialflags |= MATERIALFLAG_WATER | MATERIALFLAG_LIGHTBOTHSIDES | MATERIALFLAG_NOSHADOW;
+                               if (!strncmp(tx->name, "*glassmirror", 12)) // Tenebrae
+                               {
+                                       // replace the texture with transparent black
+                                       Vector4Set(zero, 128, 128, 128, 128);
+                                       tx->skinframes[0] = R_SkinFrame_LoadInternalBGRA(tx->name, TEXF_MIPMAP | TEXF_PRECACHE | TEXF_ALPHA, zero, 1, 1);
+                                       tx->basematerialflags |= MATERIALFLAG_NOSHADOW | MATERIALFLAG_ADD | MATERIALFLAG_BLENDED | MATERIALFLAG_REFLECTION;
+                               }
+                               else if (!strncmp(tx->name,"*lava",5)
+                                || !strncmp(tx->name,"*teleport",9)
+                                || !strncmp(tx->name,"*rift",5)) // Scourge of Armagon texture
+                                       tx->basematerialflags |= MATERIALFLAG_WATERSCROLL | MATERIALFLAG_LIGHTBOTHSIDES | MATERIALFLAG_NOSHADOW;
+                               else
+                                       tx->basematerialflags |= MATERIALFLAG_WATERSCROLL | MATERIALFLAG_LIGHTBOTHSIDES | MATERIALFLAG_NOSHADOW | MATERIALFLAG_WATERALPHA | MATERIALFLAG_WATERSHADER;
+                               if (tx->skinframes[0] && tx->skinframes[0]->fog)
+                                       tx->basematerialflags |= MATERIALFLAG_ALPHA | MATERIALFLAG_BLENDED | MATERIALFLAG_NOSHADOW;
+                       }
+                       else if (!strncmp(tx->name, "mirror", 6)) // Tenebrae
+                       {
+                               // replace the texture with black
+                               tx->skinframes[0] = R_SkinFrame_LoadInternalBGRA(tx->name, TEXF_PRECACHE, zero, 1, 1);
+                               tx->basematerialflags |= MATERIALFLAG_REFLECTION;
                        }
                        else if (!strncmp(tx->name, "sky", 3))
-                               tx->basematerialflags |= MATERIALFLAG_SKY | MATERIALFLAG_NOSHADOW;
-                       else
-                               tx->basematerialflags |= MATERIALFLAG_WALL;
-                       if (tx->skinframes[0] && tx->skinframes[0]->fog)
+                               tx->basematerialflags = MATERIALFLAG_SKY | MATERIALFLAG_NOSHADOW;
+                       else if (!strcmp(tx->name, "caulk"))
+                               tx->basematerialflags = MATERIALFLAG_NODRAW;
+                       else if (tx->skinframes[0] && tx->skinframes[0]->fog)
                                tx->basematerialflags |= MATERIALFLAG_ALPHA | MATERIALFLAG_BLENDED | MATERIALFLAG_NOSHADOW;
 
                        // start out with no animation
@@ -1668,11 +1686,6 @@ static void Mod_Q1BSP_LoadLighting(lump_t *l)
                for (i=0; i<l->filelen; i++)
                        loadmodel->brushq1.lightdata[i] = mod_base[l->fileofs+i] >>= 1;
        }
-       else if (loadmodel->brush.ismcbsp)
-       {
-               loadmodel->brushq1.lightdata = (unsigned char *)Mem_Alloc(loadmodel->mempool, l->filelen);
-               memcpy(loadmodel->brushq1.lightdata, mod_base + l->fileofs, l->filelen);
-       }
        else // LordHavoc: bsp version 29 (normal white lighting)
        {
                // LordHavoc: hope is not lost yet, check for a .lit file to load
@@ -1689,7 +1702,8 @@ static void Mod_Q1BSP_LoadLighting(lump_t *l)
                                i = LittleLong(((int *)data)[1]);
                                if (i == 1)
                                {
-                                       Con_DPrintf("loaded %s\n", litfilename);
+                                       if (developer_loading.integer)
+                                               Con_Printf("loaded %s\n", litfilename);
                                        loadmodel->brushq1.lightdata = (unsigned char *)Mem_Alloc(loadmodel->mempool, filesize - 8);
                                        memcpy(loadmodel->brushq1.lightdata, data + 8, filesize - 8);
                                        Mem_Free(data);
@@ -1701,7 +1715,8 @@ static void Mod_Q1BSP_LoadLighting(lump_t *l)
                                                        i = LittleLong(((int *)data)[1]);
                                                        if (i == 1)
                                                        {
-                                                               Con_DPrintf("loaded %s\n", dlitfilename);
+                                                               if (developer_loading.integer)
+                                                                       Con_Printf("loaded %s\n", dlitfilename);
                                                                loadmodel->brushq1.nmaplightdata = (unsigned char *)Mem_Alloc(loadmodel->mempool, filesize - 8);
                                                                memcpy(loadmodel->brushq1.nmaplightdata, data + 8, filesize - 8);
                                                                loadmodel->brushq3.deluxemapping_modelspace = false;
@@ -1972,7 +1987,7 @@ static void Mod_Q1BSP_LoadTexinfo(lump_t *l)
                {
                        // if texture chosen is NULL or the shader needs a lightmap,
                        // force to notexture water shader
-                       if (out->texture == NULL || out->texture->basematerialflags & MATERIALFLAG_WALL)
+                       if (out->texture == NULL)
                                out->texture = loadmodel->data_textures + (loadmodel->num_textures - 1);
                }
                else
@@ -2136,34 +2151,67 @@ static void Mod_Q1BSP_GenerateWarpMesh(msurface_t *surface)
 }
 #endif
 
-static qboolean Mod_Q1BSP_AllocLightmapBlock(int *lineused, int totalwidth, int totalheight, int blockwidth, int blockheight, int *outx, int *outy)
+/* Maximum size of a single LM */
+#define MAX_SINGLE_LM_SIZE    256
+
+struct alloc_lm_row
 {
-       int y, x2, y2;
-       int bestx = totalwidth, besty = 0;
-       // find the left-most space we can find
-       for (y = 0;y <= totalheight - blockheight;y++)
-       {
-               x2 = 0;
-               for (y2 = 0;y2 < blockheight;y2++)
-                       x2 = max(x2, lineused[y+y2]);
-               if (bestx > x2)
-               {
-                       bestx = x2;
-                       besty = y;
-               }
-       }
-       // if the best was not good enough, return failure
-       if (bestx > totalwidth - blockwidth)
-               return false;
-       // we found a good spot
-       if (outx)
-               *outx = bestx;
-       if (outy)
-               *outy = besty;
-       // now mark the space used
-       for (y2 = 0;y2 < blockheight;y2++)
-               lineused[besty+y2] = bestx + blockwidth;
-       // return success
+       int rowY;
+       int currentX;
+};
+
+struct alloc_lm_state
+{
+       int currentY;
+       struct alloc_lm_row rows[MAX_SINGLE_LM_SIZE];
+};
+
+static void init_alloc_lm_state (struct alloc_lm_state* state)
+{
+       int r;
+       
+       state->currentY = 0;
+       for (r = 0; r < MAX_SINGLE_LM_SIZE; r++)
+       {
+         state->rows[r].currentX = 0;
+         state->rows[r].rowY = -1;
+       }
+}
+
+static qboolean Mod_Q1BSP_AllocLightmapBlock(struct alloc_lm_state* state, int totalwidth, int totalheight, int blockwidth, int blockheight, int *outx, int *outy)
+{
+       struct alloc_lm_row* row;
+       int r;
+
+       row = &(state->rows[blockheight]);
+       if ((row->rowY < 0) || (row->currentX + blockwidth > totalwidth))
+       {
+               if (state->currentY + blockheight <= totalheight)
+               {
+                       row->rowY = state->currentY;
+                       row->currentX = 0;
+                       state->currentY += blockheight;
+               }
+               else
+               {
+                       /* See if we can stuff the block into a higher row */
+                       row = NULL;
+                       for (r = blockheight; r < MAX_SINGLE_LM_SIZE; r++)
+                       {
+                               if ((state->rows[r].rowY >= 0)
+                                 && (state->rows[r].currentX + blockwidth <= totalwidth))
+                               {
+                                       row = &(state->rows[r]);
+                                       break;
+                               }
+                       }
+                       if (row == NULL) return false;
+               }
+       }
+       *outy = row->rowY;
+       *outx = row->currentX;
+       row->currentX += blockwidth;
+
        return true;
 }
 
@@ -2174,9 +2222,7 @@ static void Mod_Q1BSP_LoadFaces(lump_t *l)
        msurface_t *surface;
        int i, j, count, surfacenum, planenum, smax, tmax, ssize, tsize, firstedge, numedges, totalverts, totaltris, lightmapnumber, lightmapsize, totallightmapsamples;
        float texmins[2], texmaxs[2], val;
-#define LIGHTMAPSIZE 1024
        rtexture_t *lightmaptexture, *deluxemaptexture;
-       int lightmap_lineused[LIGHTMAPSIZE];
 
        in = (dface_t *)(mod_base + l->fileofs);
        if (l->filelen % sizeof(*in))
@@ -2201,7 +2247,7 @@ static void Mod_Q1BSP_LoadFaces(lump_t *l)
        lightmaptexture = NULL;
        deluxemaptexture = r_texture_blanknormalmap;
        lightmapnumber = 1;
-       lightmapsize = bound(256, gl_max_size.integer, LIGHTMAPSIZE);
+       lightmapsize = max(256, gl_max_size.integer);
        totallightmapsamples = 0;
 
        totalverts = 0;
@@ -2300,7 +2346,7 @@ static void Mod_Q1BSP_LoadFaces(lump_t *l)
                {
                        surface->lightmapinfo->samples = NULL;
                        // give non-lightmapped water a 1x white lightmap
-                       if ((surface->texture->basematerialflags & MATERIALFLAG_WATER) && (surface->lightmapinfo->texinfo->flags & TEX_SPECIAL) && ssize <= 256 && tsize <= 256)
+                       if (surface->texture->name[0] == '*' && (surface->lightmapinfo->texinfo->flags & TEX_SPECIAL) && ssize <= 256 && tsize <= 256)
                        {
                                surface->lightmapinfo->samples = (unsigned char *)Mem_Alloc(loadmodel->mempool, ssize * tsize * 3);
                                surface->lightmapinfo->styles[0] = 0;
@@ -2345,69 +2391,65 @@ static void Mod_Q1BSP_LoadFaces(lump_t *l)
        // store
        // additionally, never choose a lightmapsize that is smaller than the
        // largest surface encountered (as it would fail)
-       // and finally, limit it to the size of our lineused array
        i = lightmapsize;
-       for (lightmapsize = 64;lightmapsize < LIGHTMAPSIZE && (lightmapsize < i || (lightmapsize < gl_max_size.integer && totallightmapsamples*2 > lightmapsize*lightmapsize));lightmapsize*=2)
+       for (lightmapsize = 64; (lightmapsize < i) && (lightmapsize < gl_max_size.integer) && (totallightmapsamples > lightmapsize*lightmapsize); lightmapsize*=2)
                ;
 
        // now that we've decided the lightmap texture size, we can do the rest
        if (cls.state != ca_dedicated)
        {
+               struct alloc_lm_state allocState;
+
                for (surfacenum = 0, surface = loadmodel->data_surfaces;surfacenum < count;surfacenum++, surface++)
                {
-                       // check if we should apply a lightmap to this
-                       if (surface->cached_dlight)
+                       int i, iu, iv, lightmapx, lightmapy;
+                       float u, v, ubase, vbase, uscale, vscale;
+                       
+                       smax = surface->lightmapinfo->extents[0] >> 4;
+                       tmax = surface->lightmapinfo->extents[1] >> 4;
+                       ssize = (surface->lightmapinfo->extents[0] >> 4) + 1;
+                       tsize = (surface->lightmapinfo->extents[1] >> 4) + 1;
+                       
+                       // stainmap for permanent marks on walls
+                       surface->lightmapinfo->stainsamples = (unsigned char *)Mem_Alloc(loadmodel->mempool, ssize * tsize * 3);
+                       // clear to white
+                       memset(surface->lightmapinfo->stainsamples, 255, ssize * tsize * 3);
+
+                       if (!lightmaptexture || !Mod_Q1BSP_AllocLightmapBlock(&allocState, lightmapsize, lightmapsize, ssize, tsize, &lightmapx, &lightmapy))
                        {
-                               int i, iu, iv, lightmapx, lightmapy;
-                               float u, v, ubase, vbase, uscale, vscale;
-
-                               smax = surface->lightmapinfo->extents[0] >> 4;
-                               tmax = surface->lightmapinfo->extents[1] >> 4;
-                               ssize = (surface->lightmapinfo->extents[0] >> 4) + 1;
-                               tsize = (surface->lightmapinfo->extents[1] >> 4) + 1;
-
-                               // stainmap for permanent marks on walls
-                               surface->lightmapinfo->stainsamples = (unsigned char *)Mem_Alloc(loadmodel->mempool, ssize * tsize * 3);
-                               // clear to white
-                               memset(surface->lightmapinfo->stainsamples, 255, ssize * tsize * 3);
-
-                               // find a place for this lightmap
-                               if (!lightmaptexture || !Mod_Q1BSP_AllocLightmapBlock(lightmap_lineused, lightmapsize, lightmapsize, ssize, tsize, &lightmapx, &lightmapy))
-                               {
-                                       // allocate a texture pool if we need it
-                                       if (loadmodel->texturepool == NULL)
-                                               loadmodel->texturepool = R_AllocTexturePool();
-                                       // could not find room, make a new lightmap
-                                       lightmaptexture = R_LoadTexture2D(loadmodel->texturepool, va("lightmap%i", lightmapnumber), lightmapsize, lightmapsize, NULL, loadmodel->brushq1.lightmaprgba ? TEXTYPE_RGBA : TEXTYPE_RGB, TEXF_FORCELINEAR | TEXF_PRECACHE, NULL);
-                                       if (loadmodel->brushq1.nmaplightdata)
-                                               deluxemaptexture = R_LoadTexture2D(loadmodel->texturepool, va("deluxemap%i", lightmapnumber), lightmapsize, lightmapsize, NULL, loadmodel->brushq1.lightmaprgba ? TEXTYPE_RGBA : TEXTYPE_RGB, TEXF_FORCELINEAR | TEXF_PRECACHE, NULL);
-                                       lightmapnumber++;
-                                       memset(lightmap_lineused, 0, sizeof(lightmap_lineused));
-                                       Mod_Q1BSP_AllocLightmapBlock(lightmap_lineused, lightmapsize, lightmapsize, ssize, tsize, &lightmapx, &lightmapy);
-                               }
-
-                               surface->lightmaptexture = lightmaptexture;
-                               surface->deluxemaptexture = deluxemaptexture;
-                               surface->lightmapinfo->lightmaporigin[0] = lightmapx;
-                               surface->lightmapinfo->lightmaporigin[1] = lightmapy;
+                               // allocate a texture pool if we need it
+                               if (loadmodel->texturepool == NULL)
+                                       loadmodel->texturepool = R_AllocTexturePool();
+                               // could not find room, make a new lightmap
+                               lightmaptexture = R_LoadTexture2D(loadmodel->texturepool, va("lightmap%i", lightmapnumber), lightmapsize, lightmapsize, NULL, TEXTYPE_BGRA, TEXF_FORCELINEAR | TEXF_PRECACHE, NULL);
+                               if (loadmodel->brushq1.nmaplightdata)
+                                       deluxemaptexture = R_LoadTexture2D(loadmodel->texturepool, va("deluxemap%i", lightmapnumber), lightmapsize, lightmapsize, NULL, TEXTYPE_BGRA, TEXF_FORCELINEAR | TEXF_PRECACHE, NULL);
+                               lightmapnumber++;
+                               init_alloc_lm_state (&allocState);
+                               Mod_Q1BSP_AllocLightmapBlock(&allocState, lightmapsize, lightmapsize, ssize, tsize, &lightmapx, &lightmapy);
+                       }
+                       surface->lightmaptexture = lightmaptexture;
+                       surface->deluxemaptexture = deluxemaptexture;
+                       surface->lightmapinfo->lightmaporigin[0] = lightmapx;
+                       surface->lightmapinfo->lightmaporigin[1] = lightmapy;
 
-                               uscale = 1.0f / (float)lightmapsize;
-                               vscale = 1.0f / (float)lightmapsize;
-                               ubase = lightmapx * uscale;
-                               vbase = lightmapy * vscale;
+                       uscale = 1.0f / (float)lightmapsize;
+                       vscale = 1.0f / (float)lightmapsize;
+                       ubase = lightmapx * uscale;
+                       vbase = lightmapy * vscale;
 
-                               for (i = 0;i < surface->num_vertices;i++)
-                               {
-                                       u = ((DotProduct(((loadmodel->surfmesh.data_vertex3f + 3 * surface->num_firstvertex) + i * 3), surface->lightmapinfo->texinfo->vecs[0]) + surface->lightmapinfo->texinfo->vecs[0][3]) + 8 - surface->lightmapinfo->texturemins[0]) * (1.0 / 16.0);
-                                       v = ((DotProduct(((loadmodel->surfmesh.data_vertex3f + 3 * surface->num_firstvertex) + i * 3), surface->lightmapinfo->texinfo->vecs[1]) + surface->lightmapinfo->texinfo->vecs[1][3]) + 8 - surface->lightmapinfo->texturemins[1]) * (1.0 / 16.0);
-                                       (loadmodel->surfmesh.data_texcoordlightmap2f + 2 * surface->num_firstvertex)[i * 2 + 0] = u * uscale + ubase;
-                                       (loadmodel->surfmesh.data_texcoordlightmap2f + 2 * surface->num_firstvertex)[i * 2 + 1] = v * vscale + vbase;
-                                       // LordHavoc: calc lightmap data offset for vertex lighting to use
-                                       iu = (int) u;
-                                       iv = (int) v;
-                                       (loadmodel->surfmesh.data_lightmapoffsets + surface->num_firstvertex)[i] = (bound(0, iv, tmax) * ssize + bound(0, iu, smax)) * 3;
-                               }
+                       for (i = 0;i < surface->num_vertices;i++)
+                       {
+                               u = ((DotProduct(((loadmodel->surfmesh.data_vertex3f + 3 * surface->num_firstvertex) + i * 3), surface->lightmapinfo->texinfo->vecs[0]) + surface->lightmapinfo->texinfo->vecs[0][3]) + 8 - surface->lightmapinfo->texturemins[0]) * (1.0 / 16.0);
+                               v = ((DotProduct(((loadmodel->surfmesh.data_vertex3f + 3 * surface->num_firstvertex) + i * 3), surface->lightmapinfo->texinfo->vecs[1]) + surface->lightmapinfo->texinfo->vecs[1][3]) + 8 - surface->lightmapinfo->texturemins[1]) * (1.0 / 16.0);
+                               (loadmodel->surfmesh.data_texcoordlightmap2f + 2 * surface->num_firstvertex)[i * 2 + 0] = u * uscale + ubase;
+                               (loadmodel->surfmesh.data_texcoordlightmap2f + 2 * surface->num_firstvertex)[i * 2 + 1] = v * vscale + vbase;
+                               // LordHavoc: calc lightmap data offset for vertex lighting to use
+                               iu = (int) u;
+                               iv = (int) v;
+                               (loadmodel->surfmesh.data_lightmapoffsets + surface->num_firstvertex)[i] = (bound(0, iv, tmax) * ssize + bound(0, iu, smax)) * 3;
                        }
+
                }
        }
 }
@@ -2480,18 +2522,12 @@ static void Mod_Q1BSP_LoadNodes(lump_t *l)
 
                for (j=0 ; j<2 ; j++)
                {
-                       // LordHavoc: this code supports more than 32768 nodes or leafs,
-                       // by simply assuming that there are no more than 65536 combined,
-                       // this makes it compatible with the broken arguire qbsp utility
-                       // which can produce more than 32768 nodes (breaking the format)
-                       // note that arguire light and vis utilities still crash on this
-                       //
-                       // I do not encourage support for this weirdness, this code was
-                       // reworked simply to allow flying around leaky maps that exceed
-                       // the limits, with the assumption that a final compile will be
-                       // valid after the leak is fixed.
+                       // LordHavoc: this code supports broken bsp files produced by
+                       // arguire qbsp which can produce more than 32768 nodes, any value
+                       // below count is assumed to be a node number, any other value is
+                       // assumed to be a leaf number
                        p = (unsigned short)LittleShort(in->children[j]);
-                       if (p < 65536 - loadmodel->brush.num_leafs)
+                       if (p < count)
                        {
                                if (p < loadmodel->brush.num_nodes)
                                        out->children[j] = loadmodel->brush.data_nodes + p;
@@ -2504,6 +2540,7 @@ static void Mod_Q1BSP_LoadNodes(lump_t *l)
                        }
                        else
                        {
+                               // note this uses 65535 intentionally, -1 is leaf 0
                                p = 65535 - p;
                                if (p < loadmodel->brush.num_leafs)
                                        out->children[j] = (mnode_t *)(loadmodel->brush.data_leafs + p);
@@ -2604,7 +2641,8 @@ qboolean Mod_Q1BSP_CheckWaterAlphaSupport(void)
 
 static void Mod_Q1BSP_LoadClipnodes(lump_t *l, hullinfo_t *hullinfo)
 {
-       dclipnode_t *in, *out;
+       dclipnode_t *in;
+       mclipnode_t *out;
        int                     i, count;
        hull_t          *hull;
 
@@ -2612,12 +2650,12 @@ static void Mod_Q1BSP_LoadClipnodes(lump_t *l, hullinfo_t *hullinfo)
        if (l->filelen % sizeof(*in))
                Host_Error("Mod_Q1BSP_LoadClipnodes: funny lump size in %s",loadmodel->name);
        count = l->filelen / sizeof(*in);
-       out = (dclipnode_t *)Mem_Alloc(loadmodel->mempool, count*sizeof(*out));
+       out = (mclipnode_t *)Mem_Alloc(loadmodel->mempool, count*sizeof(*out));
 
        loadmodel->brushq1.clipnodes = out;
        loadmodel->brushq1.numclipnodes = count;
 
-       for (i = 1; i < hullinfo->numhulls; i++)
+       for (i = 1; i < MAX_MAP_HULLS; i++)
        {
                hull = &loadmodel->brushq1.hulls[i];
                hull->clipnodes = out;
@@ -2636,12 +2674,15 @@ static void Mod_Q1BSP_LoadClipnodes(lump_t *l, hullinfo_t *hullinfo)
        for (i=0 ; i<count ; i++, out++, in++)
        {
                out->planenum = LittleLong(in->planenum);
-               out->children[0] = LittleShort(in->children[0]);
-               out->children[1] = LittleShort(in->children[1]);
+               // LordHavoc: this code supports arguire qbsp's broken clipnodes indices (more than 32768 clipnodes), values above count are assumed to be contents values
+               out->children[0] = (unsigned short)LittleShort(in->children[0]);
+               out->children[1] = (unsigned short)LittleShort(in->children[1]);
+               if (out->children[0] >= count)
+                       out->children[0] -= 65536;
+               if (out->children[1] >= count)
+                       out->children[1] -= 65536;
                if (out->planenum < 0 || out->planenum >= loadmodel->brush.num_planes)
                        Host_Error("Corrupt clipping hull(out of range planenum)");
-               if (out->children[0] >= count || out->children[1] >= count)
-                       Host_Error("Corrupt clipping hull(out of range child)");
        }
 }
 
@@ -2649,14 +2690,14 @@ static void Mod_Q1BSP_LoadClipnodes(lump_t *l, hullinfo_t *hullinfo)
 static void Mod_Q1BSP_MakeHull0(void)
 {
        mnode_t         *in;
-       dclipnode_t *out;
+       mclipnode_t *out;
        int                     i;
        hull_t          *hull;
 
        hull = &loadmodel->brushq1.hulls[0];
 
        in = loadmodel->brush.data_nodes;
-       out = (dclipnode_t *)Mem_Alloc(loadmodel->mempool, loadmodel->brush.num_nodes * sizeof(dclipnode_t));
+       out = (mclipnode_t *)Mem_Alloc(loadmodel->mempool, loadmodel->brush.num_nodes * sizeof(*out));
 
        hull->clipnodes = out;
        hull->firstclipnode = 0;
@@ -3214,59 +3255,6 @@ static void Mod_Q1BSP_MakePortals(void)
        Mod_Q1BSP_FinalizePortals();
 }
 
-static void Mod_Q1BSP_BuildLightmapUpdateChains(mempool_t *mempool, model_t *model)
-{
-       int i, j, stylecounts[256], totalcount, remapstyles[256];
-       msurface_t *surface;
-       memset(stylecounts, 0, sizeof(stylecounts));
-       for (i = 0;i < model->nummodelsurfaces;i++)
-       {
-               surface = model->data_surfaces + model->firstmodelsurface + i;
-               for (j = 0;j < MAXLIGHTMAPS;j++)
-                       stylecounts[surface->lightmapinfo->styles[j]]++;
-       }
-       totalcount = 0;
-       model->brushq1.light_styles = 0;
-       for (i = 0;i < 255;i++)
-       {
-               if (stylecounts[i])
-               {
-                       remapstyles[i] = model->brushq1.light_styles++;
-                       totalcount += stylecounts[i] + 1;
-               }
-       }
-       if (!totalcount)
-               return;
-       model->brushq1.light_style = (unsigned char *)Mem_Alloc(mempool, model->brushq1.light_styles * sizeof(unsigned char));
-       model->brushq1.light_stylevalue = (int *)Mem_Alloc(mempool, model->brushq1.light_styles * sizeof(int));
-       model->brushq1.light_styleupdatechains = (msurface_t ***)Mem_Alloc(mempool, model->brushq1.light_styles * sizeof(msurface_t **));
-       model->brushq1.light_styleupdatechainsbuffer = (msurface_t **)Mem_Alloc(mempool, totalcount * sizeof(msurface_t *));
-       model->brushq1.light_styles = 0;
-       for (i = 0;i < 255;i++)
-               if (stylecounts[i])
-                       model->brushq1.light_style[model->brushq1.light_styles++] = i;
-       j = 0;
-       for (i = 0;i < model->brushq1.light_styles;i++)
-       {
-               model->brushq1.light_styleupdatechains[i] = model->brushq1.light_styleupdatechainsbuffer + j;
-               j += stylecounts[model->brushq1.light_style[i]] + 1;
-       }
-       for (i = 0;i < model->nummodelsurfaces;i++)
-       {
-               surface = model->data_surfaces + model->firstmodelsurface + i;
-               for (j = 0;j < MAXLIGHTMAPS;j++)
-                       if (surface->lightmapinfo->styles[j] != 255)
-                               *model->brushq1.light_styleupdatechains[remapstyles[surface->lightmapinfo->styles[j]]]++ = surface;
-       }
-       j = 0;
-       for (i = 0;i < model->brushq1.light_styles;i++)
-       {
-               *model->brushq1.light_styleupdatechains[i] = NULL;
-               model->brushq1.light_styleupdatechains[i] = model->brushq1.light_styleupdatechainsbuffer + j;
-               j += stylecounts[model->brushq1.light_style[i]] + 1;
-       }
-}
-
 //Returns PVS data for a given point
 //(note: can return NULL)
 static unsigned char *Mod_Q1BSP_GetPVS(model_t *model, const vec3_t p)
@@ -3330,16 +3318,7 @@ static void Mod_Q1BSP_RoundUpToHullSize(model_t *cmodel, const vec3_t inmins, co
        const hull_t *hull;
 
        VectorSubtract(inmaxs, inmins, size);
-       if (cmodel->brush.ismcbsp)
-       {
-               if (size[0] < 3)
-                       hull = &cmodel->brushq1.hulls[0]; // 0x0x0
-               else if (size[2] < 48) // pick the nearest of 40 or 56
-                       hull = &cmodel->brushq1.hulls[2]; // 16x16x40
-               else
-                       hull = &cmodel->brushq1.hulls[1]; // 16x16x56
-       }
-       else if (cmodel->brush.ishlbsp)
+       if (cmodel->brush.ishlbsp)
        {
                if (size[0] < 3)
                        hull = &cmodel->brushq1.hulls[0]; // 0x0x0
@@ -3375,100 +3354,57 @@ void Mod_Q1BSP_Load(model_t *mod, void *buffer, void *bufferend)
        float dist, modelyawradius, modelradius, *vec;
        msurface_t *surface;
        int numshadowmeshtriangles;
-       dheader_t _header;
        hullinfo_t hullinfo;
+       int totalstylesurfaces, totalstyles, stylecounts[256], remapstyles[256];
+       model_brush_lightstyleinfo_t styleinfo[256];
+       unsigned char *datapointer;
 
        mod->modeldatatypestring = "Q1BSP";
 
        mod->type = mod_brushq1;
 
-       if (!memcmp (buffer, "MCBSPpad", 8))
-       {
-               unsigned char   *index;
-
-               mod->brush.ismcbsp = true;
-               mod->brush.ishlbsp = false;
-
-               mod_base = (unsigned char*)buffer;
-
-               index = mod_base;
-               index += 8;
-               i = SB_ReadInt (&index);
-               if (i != MCBSPVERSION)
-                       Host_Error("Mod_Q1BSP_Load: %s has wrong version number(%i should be %i)", mod->name, i, MCBSPVERSION);
+       header = (dheader_t *)buffer;
 
-       // read hull info
-               hullinfo.numhulls = LittleLong(*(int*)index); index += 4;
-               hullinfo.filehulls = hullinfo.numhulls;
-               VectorClear (hullinfo.hullsizes[0][0]);
-               VectorClear (hullinfo.hullsizes[0][1]);
-               for (i = 1; i < hullinfo.numhulls; i++)
-               {
-                       hullinfo.hullsizes[i][0][0] = SB_ReadFloat (&index);
-                       hullinfo.hullsizes[i][0][1] = SB_ReadFloat (&index);
-                       hullinfo.hullsizes[i][0][2] = SB_ReadFloat (&index);
-                       hullinfo.hullsizes[i][1][0] = SB_ReadFloat (&index);
-                       hullinfo.hullsizes[i][1][1] = SB_ReadFloat (&index);
-                       hullinfo.hullsizes[i][1][2] = SB_ReadFloat (&index);
-               }
+       i = LittleLong(header->version);
+       if (i != BSPVERSION && i != 30)
+               Host_Error("Mod_Q1BSP_Load: %s has wrong version number(%i should be %i(Quake) or 30(HalfLife)", mod->name, i, BSPVERSION);
+       mod->brush.ishlbsp = i == 30;
 
-       // read lumps
-               _header.version = 0;
-               for (i = 0; i < HEADER_LUMPS; i++)
-               {
-                       _header.lumps[i].fileofs = SB_ReadInt (&index);
-                       _header.lumps[i].filelen = SB_ReadInt (&index);
-               }
+// fill in hull info
+       VectorClear (hullinfo.hullsizes[0][0]);
+       VectorClear (hullinfo.hullsizes[0][1]);
+       if (mod->brush.ishlbsp)
+       {
+               mod->modeldatatypestring = "HLBSP";
 
-               header = &_header;
+               hullinfo.filehulls = 4;
+               VectorSet (hullinfo.hullsizes[1][0], -16, -16, -36);
+               VectorSet (hullinfo.hullsizes[1][1], 16, 16, 36);
+               VectorSet (hullinfo.hullsizes[2][0], -32, -32, -32);
+               VectorSet (hullinfo.hullsizes[2][1], 32, 32, 32);
+               VectorSet (hullinfo.hullsizes[3][0], -16, -16, -18);
+               VectorSet (hullinfo.hullsizes[3][1], 16, 16, 18);
        }
        else
        {
-               header = (dheader_t *)buffer;
-
-               i = LittleLong(header->version);
-               if (i != BSPVERSION && i != 30)
-                       Host_Error("Mod_Q1BSP_Load: %s has wrong version number(%i should be %i(Quake) or 30(HalfLife)", mod->name, i, BSPVERSION);
-               mod->brush.ishlbsp = i == 30;
-               mod->brush.ismcbsp = false;
-
-       // fill in hull info
-               VectorClear (hullinfo.hullsizes[0][0]);
-               VectorClear (hullinfo.hullsizes[0][1]);
-               if (mod->brush.ishlbsp)
-               {
-                       mod->modeldatatypestring = "HLBSP";
-
-                       hullinfo.numhulls = 4;
-                       hullinfo.filehulls = 4;
-                       VectorSet (hullinfo.hullsizes[1][0], -16, -16, -36);
-                       VectorSet (hullinfo.hullsizes[1][1], 16, 16, 36);
-                       VectorSet (hullinfo.hullsizes[2][0], -32, -32, -32);
-                       VectorSet (hullinfo.hullsizes[2][1], 32, 32, 32);
-                       VectorSet (hullinfo.hullsizes[3][0], -16, -16, -18);
-                       VectorSet (hullinfo.hullsizes[3][1], 16, 16, 18);
-               }
-               else
-               {
-                       hullinfo.numhulls = 3;
-                       hullinfo.filehulls = 4;
-                       VectorSet (hullinfo.hullsizes[1][0], -16, -16, -24);
-                       VectorSet (hullinfo.hullsizes[1][1], 16, 16, 32);
-                       VectorSet (hullinfo.hullsizes[2][0], -32, -32, -24);
-                       VectorSet (hullinfo.hullsizes[2][1], 32, 32, 64);
-               }
+               hullinfo.filehulls = 4;
+               VectorSet (hullinfo.hullsizes[1][0], -16, -16, -24);
+               VectorSet (hullinfo.hullsizes[1][1], 16, 16, 32);
+               VectorSet (hullinfo.hullsizes[2][0], -32, -32, -24);
+               VectorSet (hullinfo.hullsizes[2][1], 32, 32, 64);
+       }
 
-       // read lumps
-               mod_base = (unsigned char*)buffer;
-               for (i = 0; i < HEADER_LUMPS; i++)
-               {
-                       header->lumps[i].fileofs = LittleLong(header->lumps[i].fileofs);
-                       header->lumps[i].filelen = LittleLong(header->lumps[i].filelen);
-               }
+// read lumps
+       mod_base = (unsigned char*)buffer;
+       for (i = 0; i < HEADER_LUMPS; i++)
+       {
+               header->lumps[i].fileofs = LittleLong(header->lumps[i].fileofs);
+               header->lumps[i].filelen = LittleLong(header->lumps[i].filelen);
        }
 
        mod->soundfromcenter = true;
        mod->TraceBox = Mod_Q1BSP_TraceBox;
+       mod->PointSuperContents = Mod_Q1BSP_PointSuperContents;
        mod->brush.TraceLineOfSight = Mod_Q1BSP_TraceLineOfSight;
        mod->brush.SuperContentsFromNativeContents = Mod_Q1BSP_SuperContentsFromNativeContents;
        mod->brush.NativeContentsFromSuperContents = Mod_Q1BSP_NativeContentsFromSuperContents;
@@ -3485,16 +3421,10 @@ void Mod_Q1BSP_Load(model_t *mod, void *buffer, void *bufferend)
        mod->brush.PointInLeaf = Mod_Q1BSP_PointInLeaf;
 
        if (loadmodel->isworldmodel)
-       {
                Cvar_SetValue("halflifebsp", mod->brush.ishlbsp);
-               Cvar_SetValue("mcbsp", mod->brush.ismcbsp);
-       }
 
 // load into heap
 
-       // store which lightmap format to use
-       mod->brushq1.lightmaprgba = r_lightmaprgba.integer;
-
        mod->brush.qw_md4sum = 0;
        mod->brush.qw_md4sum2 = 0;
        for (i = 0;i < HEADER_LUMPS;i++)
@@ -3556,14 +3486,6 @@ void Mod_Q1BSP_Load(model_t *mod, void *buffer, void *bufferend)
        if (loadmodel->brush.numsubmodels)
                loadmodel->brush.submodels = (model_t **)Mem_Alloc(loadmodel->mempool, loadmodel->brush.numsubmodels * sizeof(model_t *));
 
-       if (loadmodel->isworldmodel)
-       {
-               // clear out any stale submodels or worldmodels lying around
-               // if we did this clear before now, an error might abort loading and
-               // leave things in a bad state
-               Mod_RemoveStaleWorldModels(loadmodel);
-       }
-
        // LordHavoc: to clear the fog around the original quake submodel code, I
        // will explain:
        // first of all, some background info on the submodels:
@@ -3578,6 +3500,25 @@ void Mod_Q1BSP_Load(model_t *mod, void *buffer, void *bufferend)
        // LordHavoc: now the explanation of my sane way (which works identically):
        // set up the world model, then on each submodel copy from the world model
        // and set up the submodel with the respective model info.
+       totalstylesurfaces = 0;
+       totalstyles = 0;
+       for (i = 0;i < mod->brush.numsubmodels;i++)
+       {
+               memset(stylecounts, 0, sizeof(stylecounts));
+               for (k = 0;k < mod->brushq1.submodels[i].numfaces;k++)
+               {
+                       surface = mod->data_surfaces + mod->brushq1.submodels[i].firstface + k;
+                       for (j = 0;j < MAXLIGHTMAPS;j++)
+                               stylecounts[surface->lightmapinfo->styles[j]]++;
+               }
+               for (k = 0;k < 255;k++)
+               {
+                       totalstyles++;
+                       if (stylecounts[k])
+                               totalstylesurfaces += stylecounts[k];
+               }
+       }
+       datapointer = (unsigned char *)Mem_Alloc(mod->mempool, mod->num_surfaces * sizeof(int) + totalstyles * sizeof(model_brush_lightstyleinfo_t) + totalstylesurfaces * sizeof(int *));
        for (i = 0;i < mod->brush.numsubmodels;i++)
        {
                // LordHavoc: this code was originally at the end of this loop, but
@@ -3621,7 +3562,7 @@ void Mod_Q1BSP_Load(model_t *mod, void *buffer, void *bufferend)
                mod->nummodelsurfaces = bm->numfaces;
 
                // make the model surface list (used by shadowing/lighting)
-               mod->surfacelist = (int *)Mem_Alloc(loadmodel->mempool, mod->nummodelsurfaces * sizeof(*mod->surfacelist));
+               mod->surfacelist = (int *)datapointer;datapointer += mod->nummodelsurfaces * sizeof(int);
                for (j = 0;j < mod->nummodelsurfaces;j++)
                        mod->surfacelist[j] = mod->firstmodelsurface + j;
 
@@ -3630,6 +3571,7 @@ void Mod_Q1BSP_Load(model_t *mod, void *buffer, void *bufferend)
                mod->DrawAddWaterPlanes = NULL;
                mod->Draw = R_Q1BSP_Draw;
                mod->DrawDepth = R_Q1BSP_DrawDepth;
+               mod->DrawDebug = R_Q1BSP_DrawDebug;
                mod->GetLightInfo = R_Q1BSP_GetLightInfo;
                mod->CompileShadowVolume = R_Q1BSP_CompileShadowVolume;
                mod->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
@@ -3646,7 +3588,6 @@ void Mod_Q1BSP_Load(model_t *mod, void *buffer, void *bufferend)
                        mod->brush.LightPoint = NULL;
                        mod->brush.AmbientSoundLevelsForPoint = NULL;
                }
-               Mod_Q1BSP_BuildLightmapUpdateChains(loadmodel->mempool, mod);
                if (mod->nummodelsurfaces)
                {
                        // LordHavoc: calculate bmodel bounding box rather than trusting what it says
@@ -3659,7 +3600,7 @@ void Mod_Q1BSP_Load(model_t *mod, void *buffer, void *bufferend)
                                // we only need to have a drawsky function if it is used(usually only on world model)
                                if (surface->texture->basematerialflags & MATERIALFLAG_SKY)
                                        mod->DrawSky = R_Q1BSP_DrawSky;
-                               if (surface->texture->basematerialflags & MATERIALFLAG_WATERALPHA)
+                               if (surface->texture->basematerialflags & (MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFRACTION | MATERIALFLAG_REFLECTION))
                                        mod->DrawAddWaterPlanes = R_Q1BSP_DrawAddWaterPlanes;
                                // calculate bounding shapes
                                for (k = 0, vec = (loadmodel->surfmesh.data_vertex3f + 3 * surface->num_firstvertex);k < surface->num_vertices;k++, vec += 3)
@@ -3687,6 +3628,44 @@ void Mod_Q1BSP_Load(model_t *mod, void *buffer, void *bufferend)
                        mod->rotatedmaxs[0] = mod->rotatedmaxs[1] = mod->rotatedmaxs[2] = modelradius;
                        mod->radius = modelradius;
                        mod->radius2 = modelradius * modelradius;
+
+                       // build lightstyle update chains
+                       // (used to rapidly mark surface->cached_dlight on many surfaces
+                       // when d_lightstylevalue changes)
+                       memset(stylecounts, 0, sizeof(stylecounts));
+                       for (k = 0;k < mod->nummodelsurfaces;k++)
+                       {
+                               surface = mod->data_surfaces + mod->firstmodelsurface + k;
+                               for (j = 0;j < MAXLIGHTMAPS;j++)
+                                       stylecounts[surface->lightmapinfo->styles[j]]++;
+                       }
+                       mod->brushq1.num_lightstyles = 0;
+                       for (k = 0;k < 255;k++)
+                       {
+                               if (stylecounts[k])
+                               {
+                                       styleinfo[mod->brushq1.num_lightstyles].style = k;
+                                       styleinfo[mod->brushq1.num_lightstyles].value = 0;
+                                       styleinfo[mod->brushq1.num_lightstyles].numsurfaces = 0;
+                                       styleinfo[mod->brushq1.num_lightstyles].surfacelist = (int *)datapointer;datapointer += stylecounts[k] * sizeof(int);
+                                       remapstyles[k] = mod->brushq1.num_lightstyles;
+                                       mod->brushq1.num_lightstyles++;
+                               }
+                       }
+                       for (k = 0;k < mod->nummodelsurfaces;k++)
+                       {
+                               surface = mod->data_surfaces + mod->firstmodelsurface + k;
+                               for (j = 0;j < MAXLIGHTMAPS;j++)
+                               {
+                                       if (surface->lightmapinfo->styles[j] != 255)
+                                       {
+                                               int r = remapstyles[surface->lightmapinfo->styles[j]];
+                                               styleinfo[r].surfacelist[styleinfo[r].numsurfaces++] = mod->firstmodelsurface + k;
+                                       }
+                               }
+                       }
+                       mod->brushq1.data_lightstyleinfo = (model_brush_lightstyleinfo_t *)datapointer;datapointer += mod->brushq1.num_lightstyles * sizeof(model_brush_lightstyleinfo_t);
+                       memcpy(mod->brushq1.data_lightstyleinfo, styleinfo, mod->brushq1.num_lightstyles * sizeof(model_brush_lightstyleinfo_t));
                }
                else
                {
@@ -4099,12 +4078,8 @@ void static Mod_Q2BSP_Load(model_t *mod, void *buffer, void *bufferend)
        if (i != Q2BSPVERSION)
                Host_Error("Mod_Q2BSP_Load: %s has wrong version number (%i, should be %i)", mod->name, i, Q2BSPVERSION);
        mod->brush.ishlbsp = false;
-       mod->brush.ismcbsp = false;
        if (loadmodel->isworldmodel)
-       {
                Cvar_SetValue("halflifebsp", mod->brush.ishlbsp);
-               Cvar_SetValue("mcbsp", mod->brush.ismcbsp);
-       }
 
        mod_base = (unsigned char *)header;
 
@@ -4112,9 +4087,6 @@ void static Mod_Q2BSP_Load(model_t *mod, void *buffer, void *bufferend)
        for (i = 0;i < (int) sizeof(*header) / 4;i++)
                ((int *)header)[i] = LittleLong(((int *)header)[i]);
 
-       // store which lightmap format to use
-       mod->brushq1.lightmaprgba = r_lightmaprgba.integer;
-
        mod->brush.qw_md4sum = 0;
        mod->brush.qw_md4sum2 = 0;
        for (i = 0;i < Q2HEADER_LUMPS;i++)
@@ -4195,7 +4167,7 @@ static void Mod_Q3BSP_LoadTextures(lump_t *l)
 {
        q3dtexture_t *in;
        texture_t *out;
-       int i, count, c;
+       int i, count;
 
        in = (q3dtexture_t *)(mod_base + l->fileofs);
        if (l->filelen % sizeof(*in))
@@ -4217,12 +4189,8 @@ static void Mod_Q3BSP_LoadTextures(lump_t *l)
        if (cls.state == ca_dedicated)
                return;
 
-       c = 0;
        for (i = 0;i < count;i++, in++, out++)
-               if (Mod_LoadTextureFromQ3Shader(out, out->name, false, true, false))
-                       c++;
-       if (c)
-               Con_DPrintf("%s: %i textures missing shaders\n", loadmodel->name, c);
+               Mod_LoadTextureFromQ3Shader(out, out->name, true, true, TEXF_MIPMAP | TEXF_ALPHA | TEXF_PRECACHE | (r_picmipworld.integer ? TEXF_PICMIP : 0) | TEXF_COMPRESS);
 }
 
 static void Mod_Q3BSP_LoadPlanes(lump_t *l)
@@ -4425,8 +4393,9 @@ static void Mod_Q3BSP_LoadTriangles(lump_t *l)
 static void Mod_Q3BSP_LoadLightmaps(lump_t *l, lump_t *faceslump)
 {
        q3dlightmap_t *in;
-       int i, j, count, power, power2, mask, endlightmap, mergewidth, mergeheight;
+       int i, j, k, count, power, power2, mask, endlightmap, mergewidth, mergeheight;
        unsigned char *c;
+       unsigned char convertedpixels[128*128*4];
 
        if (!l->filelen)
                return;
@@ -4468,14 +4437,15 @@ static void Mod_Q3BSP_LoadLightmaps(lump_t *l, lump_t *faceslump)
                        }
                }
        }
-       if (endlightmap < 2)
-               loadmodel->brushq3.deluxemapping = false;
 
        // q3map2 sometimes (or always?) makes a second blank lightmap for no
        // reason when only one lightmap is used, which can throw off the
        // deluxemapping detection method, so check 2-lightmap bsp's specifically
        // to see if the second lightmap is blank, if so it is not deluxemapped.
-       if (endlightmap == 1 && count == 2)
+       //
+       // further research has shown q3map2 sometimes creates a deluxemap and two
+       // blank lightmaps, which must be handled properly as well
+       if (endlightmap == 1 && count > 1)
        {
                c = in[1].rgb;
                for (i = 0;i < 128*128*3;i++)
@@ -4505,15 +4475,22 @@ static void Mod_Q3BSP_LoadLightmaps(lump_t *l, lump_t *faceslump)
        if (loadmodel->texturepool == NULL && cls.state != ca_dedicated)
                loadmodel->texturepool = R_AllocTexturePool();
 
-       if (loadmodel->brushq3.num_lightmapmergepower > 0)
+       power = loadmodel->brushq3.num_lightmapmergepower;
+       power2 = power * 2;
+       mask = (1 << power) - 1;
+       for (i = 0;i < count;i++)
        {
-               power = loadmodel->brushq3.num_lightmapmergepower;
-               power2 = power * 2;
-               mask = (1 << power) - 1;
-               for (i = 0;i < count;i++)
+               // figure out which merged lightmap texture this fits into
+               int lightmapindex = i >> (loadmodel->brushq3.deluxemapping + power2);
+               for (k = 0;k < 128*128;k++)
+               {
+                       convertedpixels[k*4+2] = in[i].rgb[k*3+0];
+                       convertedpixels[k*4+1] = in[i].rgb[k*3+1];
+                       convertedpixels[k*4+0] = in[i].rgb[k*3+2];
+                       convertedpixels[k*4+3] = 255;
+               }
+               if (loadmodel->brushq3.num_lightmapmergepower > 0)
                {
-                       // figure out which merged lightmap texture this fits into
-                       int lightmapindex = i >> (loadmodel->brushq3.deluxemapping + power2);
                        // if the lightmap has not been allocated yet, create it
                        if (!loadmodel->brushq3.data_lightmaps[lightmapindex])
                        {
@@ -4528,30 +4505,27 @@ static void Mod_Q3BSP_LoadLightmaps(lump_t *l, lump_t *faceslump)
                                        ;
                                for (mergeheight = 1;mergewidth*mergeheight < j && mergeheight < (1 << power);mergeheight *= 2)
                                        ;
-                               Con_DPrintf("lightmap merge texture #%i is %ix%i (%i of %i used)\n", lightmapindex, mergewidth*128, mergeheight*128, min(j, mergewidth*mergeheight), mergewidth*mergeheight);
-                               loadmodel->brushq3.data_lightmaps[lightmapindex] = R_LoadTexture2D(loadmodel->texturepool, va("lightmap%04i", lightmapindex), mergewidth * 128, mergeheight * 128, NULL, TEXTYPE_RGB, TEXF_FORCELINEAR | TEXF_PRECACHE | (gl_texturecompression_q3bsplightmaps.integer ? TEXF_COMPRESS : 0), NULL);
+                               if (developer_loading.integer)
+                                       Con_Printf("lightmap merge texture #%i is %ix%i (%i of %i used)\n", lightmapindex, mergewidth*128, mergeheight*128, min(j, mergewidth*mergeheight), mergewidth*mergeheight);
+                               loadmodel->brushq3.data_lightmaps[lightmapindex] = R_LoadTexture2D(loadmodel->texturepool, va("lightmap%04i", lightmapindex), mergewidth * 128, mergeheight * 128, NULL, TEXTYPE_BGRA, TEXF_FORCELINEAR | TEXF_PRECACHE | (gl_texturecompression_q3bsplightmaps.integer ? TEXF_COMPRESS : 0), NULL);
                                if (loadmodel->brushq3.data_deluxemaps)
-                                       loadmodel->brushq3.data_deluxemaps[lightmapindex] = R_LoadTexture2D(loadmodel->texturepool, va("deluxemap%04i", lightmapindex), mergewidth * 128, mergeheight * 128, NULL, TEXTYPE_RGB, TEXF_FORCELINEAR | TEXF_PRECACHE | (gl_texturecompression_q3bspdeluxemaps.integer ? TEXF_COMPRESS : 0), NULL);
+                                       loadmodel->brushq3.data_deluxemaps[lightmapindex] = R_LoadTexture2D(loadmodel->texturepool, va("deluxemap%04i", lightmapindex), mergewidth * 128, mergeheight * 128, NULL, TEXTYPE_BGRA, TEXF_FORCELINEAR | TEXF_PRECACHE | (gl_texturecompression_q3bspdeluxemaps.integer ? TEXF_COMPRESS : 0), NULL);
                        }
                        mergewidth = R_TextureWidth(loadmodel->brushq3.data_lightmaps[lightmapindex]) / 128;
                        mergeheight = R_TextureHeight(loadmodel->brushq3.data_lightmaps[lightmapindex]) / 128;
                        j = (i >> loadmodel->brushq3.deluxemapping) & ((1 << power2) - 1);
                        if (loadmodel->brushq3.deluxemapping && (i & 1))
-                               R_UpdateTexture(loadmodel->brushq3.data_deluxemaps[lightmapindex], in[i].rgb, (j % mergewidth) * 128, (j / mergewidth) * 128, 128, 128);
+                               R_UpdateTexture(loadmodel->brushq3.data_deluxemaps[lightmapindex], convertedpixels, (j % mergewidth) * 128, (j / mergewidth) * 128, 128, 128);
                        else
-                               R_UpdateTexture(loadmodel->brushq3.data_lightmaps     [lightmapindex], in[i].rgb, (j % mergewidth) * 128, (j / mergewidth) * 128, 128, 128);
+                               R_UpdateTexture(loadmodel->brushq3.data_lightmaps [lightmapindex], convertedpixels, (j % mergewidth) * 128, (j / mergewidth) * 128, 128, 128);
                }
-       }
-       else
-       {
-               for (i = 0;i < count;i++)
+               else
                {
                        // figure out which merged lightmap texture this fits into
-                       int lightmapindex = i >> loadmodel->brushq3.deluxemapping;
                        if (loadmodel->brushq3.deluxemapping && (i & 1))
-                               loadmodel->brushq3.data_deluxemaps[lightmapindex] = R_LoadTexture2D(loadmodel->texturepool, va("deluxemap%04i", lightmapindex), 128, 128, in[i].rgb, TEXTYPE_RGB, TEXF_FORCELINEAR | TEXF_PRECACHE | (gl_texturecompression_q3bspdeluxemaps.integer ? TEXF_COMPRESS : 0), NULL);
+                               loadmodel->brushq3.data_deluxemaps[lightmapindex] = R_LoadTexture2D(loadmodel->texturepool, va("deluxemap%04i", lightmapindex), 128, 128, convertedpixels, TEXTYPE_BGRA, TEXF_FORCELINEAR | TEXF_PRECACHE | (gl_texturecompression_q3bspdeluxemaps.integer ? TEXF_COMPRESS : 0), NULL);
                        else
-                               loadmodel->brushq3.data_lightmaps[lightmapindex] = R_LoadTexture2D(loadmodel->texturepool, va("lightmap%04i", lightmapindex), 128, 128, in[i].rgb, TEXTYPE_RGB, TEXF_FORCELINEAR | TEXF_PRECACHE | (gl_texturecompression_q3bsplightmaps.integer ? TEXF_COMPRESS : 0), NULL);
+                               loadmodel->brushq3.data_lightmaps [lightmapindex] = R_LoadTexture2D(loadmodel->texturepool, va("lightmap%04i", lightmapindex), 128, 128, convertedpixels, TEXTYPE_BGRA, TEXF_FORCELINEAR | TEXF_PRECACHE | (gl_texturecompression_q3bsplightmaps.integer ? TEXF_COMPRESS : 0), NULL);
                }
        }
 }
@@ -5183,7 +5157,7 @@ static void Mod_Q3BSP_LightPoint(model_t *model, const vec3_t p, vec3_t ambientc
        q3dlightgrid_t *a, *s;
 
        // scale lighting by lightstyle[0] so that darkmode in dpmod works properly
-       stylescale = r_refdef.lightstylevalue[0] * (1.0f / 264.0f);
+       stylescale = r_refdef.scene.rtlightstylevalue[0];
 
        if (!model->brushq3.num_lightgrid)
        {
@@ -5248,7 +5222,7 @@ static void Mod_Q3BSP_TracePoint_RecursiveBSPNode(trace_t *trace, model_t *model
        colbrushf_t *brush;
        // find which leaf the point is in
        while (node->plane)
-               node = node->children[DotProduct(point, node->plane->normal) < node->plane->dist];
+               node = node->children[(node->plane->type < 3 ? point[node->plane->type] : DotProduct(point, node->plane->normal)) < node->plane->dist];
        // point trace the brushes
        leaf = (mleaf_t *)node;
        for (i = 0;i < leaf->numleafbrushes;i++)
@@ -5511,6 +5485,38 @@ static void Mod_Q3BSP_TraceBox(model_t *model, int frame, trace_t *trace, const
        }
 }
 
+static int Mod_Q3BSP_PointSuperContents(struct model_s *model, int frame, const vec3_t point)
+{
+       int i;
+       int supercontents = 0;
+       q3mbrush_t *brush;
+       // test if the point is inside each brush
+       if (model->brush.submodel)
+       {
+               // submodels are effectively one leaf
+               for (i = 0, brush = model->brush.data_brushes + model->firstmodelbrush;i < model->nummodelbrushes;i++, brush++)
+                       if (brush->colbrushf && Collision_PointInsideBrushFloat(point, brush->colbrushf))
+                               supercontents |= brush->colbrushf->supercontents;
+       }
+       else
+       {
+               mnode_t *node = model->brush.data_nodes;
+               mleaf_t *leaf;
+               // find which leaf the point is in
+               while (node->plane)
+                       node = node->children[(node->plane->type < 3 ? point[node->plane->type] : DotProduct(point, node->plane->normal)) < node->plane->dist];
+               leaf = (mleaf_t *)node;
+               // now check the brushes in the leaf
+               for (i = 0;i < leaf->numleafbrushes;i++)
+               {
+                       brush = model->brush.data_brushes + leaf->firstleafbrush[i];
+                       if (brush->colbrushf && Collision_PointInsideBrushFloat(point, brush->colbrushf))
+                               supercontents |= brush->colbrushf->supercontents;
+               }
+       }
+       return supercontents;
+}
+
 static int Mod_Q3BSP_SuperContentsFromNativeContents(model_t *model, int nativecontents)
 {
        int supercontents = 0;
@@ -5595,15 +5601,12 @@ void Mod_Q3BSP_Load(model_t *mod, void *buffer, void *bufferend)
        if (i != Q3BSPVERSION)
                Host_Error("Mod_Q3BSP_Load: %s has wrong version number (%i, should be %i)", mod->name, i, Q3BSPVERSION);
        mod->brush.ishlbsp = false;
-       mod->brush.ismcbsp = false;
        if (loadmodel->isworldmodel)
-       {
                Cvar_SetValue("halflifebsp", mod->brush.ishlbsp);
-               Cvar_SetValue("mcbsp", mod->brush.ismcbsp);
-       }
 
        mod->soundfromcenter = true;
        mod->TraceBox = Mod_Q3BSP_TraceBox;
+       mod->PointSuperContents = Mod_Q3BSP_PointSuperContents;
        mod->brush.TraceLineOfSight = Mod_Q1BSP_TraceLineOfSight;
        mod->brush.SuperContentsFromNativeContents = Mod_Q3BSP_SuperContentsFromNativeContents;
        mod->brush.NativeContentsFromSuperContents = Mod_Q3BSP_NativeContentsFromSuperContents;
@@ -5618,6 +5621,7 @@ void Mod_Q3BSP_Load(model_t *mod, void *buffer, void *bufferend)
        mod->brush.PointInLeaf = Mod_Q1BSP_PointInLeaf;
        mod->Draw = R_Q1BSP_Draw;
        mod->DrawDepth = R_Q1BSP_DrawDepth;
+       mod->DrawDebug = R_Q1BSP_DrawDebug;
        mod->GetLightInfo = R_Q1BSP_GetLightInfo;
        mod->CompileShadowVolume = R_Q1BSP_CompileShadowVolume;
        mod->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
@@ -5689,14 +5693,6 @@ void Mod_Q3BSP_Load(model_t *mod, void *buffer, void *bufferend)
        loadmodel->brush.num_leafs = 0;
        Mod_Q3BSP_RecursiveFindNumLeafs(loadmodel->brush.data_nodes);
 
-       if (loadmodel->isworldmodel)
-       {
-               // clear out any stale submodels or worldmodels lying around
-               // if we did this clear before now, an error might abort loading and
-               // leave things in a bad state
-               Mod_RemoveStaleWorldModels(loadmodel);
-       }
-
        mod = loadmodel;
        for (i = 0;i < loadmodel->brush.numsubmodels;i++)
        {
@@ -5762,7 +5758,7 @@ void Mod_Q3BSP_Load(model_t *mod, void *buffer, void *bufferend)
                        mod->DrawSky = NULL;
 
                for (j = 0;j < mod->nummodelsurfaces;j++)
-                       if (mod->data_surfaces[j + mod->firstmodelsurface].texture->basematerialflags & MATERIALFLAG_WATERALPHA)
+                       if (mod->data_surfaces[j + mod->firstmodelsurface].texture->basematerialflags & (MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFRACTION | MATERIALFLAG_REFLECTION))
                                break;
                if (j < mod->nummodelsurfaces)
                        mod->DrawAddWaterPlanes = R_Q1BSP_DrawAddWaterPlanes;