]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - r_shadow.c
reorganized view rendering setup code a bit to reduce potential for state bugs (more...
[xonotic/darkplaces.git] / r_shadow.c
index 2c384f3353de43329c58d3208d2bcd8d9955ea4a..3327166042827d7d6f4a72d4b1909e5ae3c61e60 100644 (file)
@@ -146,6 +146,7 @@ typedef enum r_shadow_rendermode_e
 {
        R_SHADOW_RENDERMODE_NONE,
        R_SHADOW_RENDERMODE_STENCIL,
+       R_SHADOW_RENDERMODE_SEPARATESTENCIL,
        R_SHADOW_RENDERMODE_STENCILTWOSIDE,
        R_SHADOW_RENDERMODE_LIGHT_VERTEX,
        R_SHADOW_RENDERMODE_LIGHT_DOT3,
@@ -198,8 +199,9 @@ cvar_t r_shadow_bumpscale_basetexture = {0, "r_shadow_bumpscale_basetexture", "0
 cvar_t r_shadow_bumpscale_bumpmap = {0, "r_shadow_bumpscale_bumpmap", "4", "what magnitude to interpret _bump.tga textures as, higher values increase depth, requires r_restart to take effect"};
 cvar_t r_shadow_debuglight = {0, "r_shadow_debuglight", "-1", "renders only one light, for level design purposes or debugging"};
 cvar_t r_shadow_gloss = {CVAR_SAVE, "r_shadow_gloss", "1", "0 disables gloss (specularity) rendering, 1 uses gloss if textures are found, 2 forces a flat metallic specular effect on everything without textures (similar to tenebrae)"};
-cvar_t r_shadow_gloss2intensity = {0, "r_shadow_gloss2intensity", "0.25", "how bright the forced flat gloss should look if r_shadow_gloss is 2"};
-cvar_t r_shadow_glossintensity = {0, "r_shadow_glossintensity", "1", "how bright textured glossmaps should look if r_shadow_gloss is 1 or 2"};
+cvar_t r_shadow_gloss2intensity = {0, "r_shadow_gloss2intensity", "0.5", "how bright the forced flat gloss should look if r_shadow_gloss is 2"};
+cvar_t r_shadow_glossintensity = {0, "r_shadow_glossintensity", "2", "how bright textured glossmaps should look if r_shadow_gloss is 1 or 2"};
+cvar_t r_shadow_glossexponent = {0, "r_shadow_glossexponent", "32", "how 'sharp' the gloss should appear (specular power)"};
 cvar_t r_shadow_lightattenuationpower = {0, "r_shadow_lightattenuationpower", "0.5", "changes attenuation texture generation (does not affect r_glsl lighting)"};
 cvar_t r_shadow_lightattenuationscale = {0, "r_shadow_lightattenuationscale", "1", "changes attenuation texture generation (does not affect r_glsl lighting)"};
 cvar_t r_shadow_lightintensityscale = {0, "r_shadow_lightintensityscale", "1", "renders all world lights brighter or darker"};
@@ -218,6 +220,7 @@ cvar_t r_shadow_scissor = {0, "r_shadow_scissor", "1", "use scissor optimization
 cvar_t r_shadow_shadow_polygonfactor = {0, "r_shadow_shadow_polygonfactor", "0", "how much to enlarge shadow volume polygons when rendering (should be 0!)"};
 cvar_t r_shadow_shadow_polygonoffset = {0, "r_shadow_shadow_polygonoffset", "1", "how much to push shadow volumes into the distance when rendering, to reduce chances of zfighting artifacts (should not be less than 0)"};
 cvar_t r_shadow_texture3d = {0, "r_shadow_texture3d", "1", "use 3D voxel textures for spherical attenuation rather than cylindrical (does not affect r_glsl lighting)"};
+cvar_t gl_ext_separatestencil = {0, "gl_ext_separatetencil", "1", "make use of OpenGL 2.0 glStencilOpSeparate or GL_ATI_separate_stencil extension"};
 cvar_t gl_ext_stenciltwoside = {0, "gl_ext_stenciltwoside", "1", "make use of GL_EXT_stenciltwoside extension (NVIDIA only)"};
 cvar_t r_editlights = {0, "r_editlights", "0", "enables .rtlights file editing mode"};
 cvar_t r_editlights_cursordistance = {0, "r_editlights_cursordistance", "1024", "maximum distance of cursor from eye"};
@@ -385,6 +388,7 @@ void R_Shadow_Init(void)
        Cvar_RegisterVariable(&r_shadow_gloss);
        Cvar_RegisterVariable(&r_shadow_gloss2intensity);
        Cvar_RegisterVariable(&r_shadow_glossintensity);
+       Cvar_RegisterVariable(&r_shadow_glossexponent);
        Cvar_RegisterVariable(&r_shadow_lightattenuationpower);
        Cvar_RegisterVariable(&r_shadow_lightattenuationscale);
        Cvar_RegisterVariable(&r_shadow_lightintensityscale);
@@ -403,6 +407,7 @@ void R_Shadow_Init(void)
        Cvar_RegisterVariable(&r_shadow_shadow_polygonfactor);
        Cvar_RegisterVariable(&r_shadow_shadow_polygonoffset);
        Cvar_RegisterVariable(&r_shadow_texture3d);
+       Cvar_RegisterVariable(&gl_ext_separatestencil);
        Cvar_RegisterVariable(&gl_ext_stenciltwoside);
        if (gamemode == GAME_TENEBRAE)
        {
@@ -524,12 +529,18 @@ void R_Shadow_PrepareShadowMark(int numtris)
        numshadowmark = 0;
 }
 
-int R_Shadow_ConstructShadowVolume(int innumvertices, int innumtris, const int *inelement3i, const int *inneighbor3i, const float *invertex3f, int *outnumvertices, int *outelement3i, float *outvertex3f, const float *projectorigin, float projectdistance, int numshadowmarktris, const int *shadowmarktris)
+int R_Shadow_ConstructShadowVolume(int innumvertices, int innumtris, const int *inelement3i, const int *inneighbor3i, const float *invertex3f, int *outnumvertices, int *outelement3i, float *outvertex3f, const float *projectorigin, const float *projectdirection, float projectdistance, int numshadowmarktris, const int *shadowmarktris)
 {
        int i, j;
        int outtriangles = 0, outvertices = 0;
        const int *element;
        const float *vertex;
+       float ratio, direction[3], projectvector[3];
+
+       if (projectdirection)
+               VectorScale(projectdirection, projectdistance, projectvector);
+       else
+               VectorClear(projectvector);
 
        if (maxvertexupdate < innumvertices)
        {
@@ -553,26 +564,49 @@ int R_Shadow_ConstructShadowVolume(int innumvertices, int innumtris, const int *
        for (i = 0;i < numshadowmarktris;i++)
                shadowmark[shadowmarktris[i]] = shadowmarkcount;
 
-       for (i = 0;i < numshadowmarktris;i++)
+       // create the vertices
+       if (projectdirection)
        {
-               element = inelement3i + shadowmarktris[i] * 3;
-               // make sure the vertices are created
-               for (j = 0;j < 3;j++)
+               for (i = 0;i < numshadowmarktris;i++)
                {
-                       if (vertexupdate[element[j]] != vertexupdatenum)
+                       element = inelement3i + shadowmarktris[i] * 3;
+                       for (j = 0;j < 3;j++)
                        {
-                               float ratio, direction[3];
-                               vertexupdate[element[j]] = vertexupdatenum;
-                               vertexremap[element[j]] = outvertices;
-                               vertex = invertex3f + element[j] * 3;
-                               // project one copy of the vertex to the sphere radius of the light
-                               // (FIXME: would projecting it to the light box be better?)
-                               VectorSubtract(vertex, projectorigin, direction);
-                               ratio = projectdistance / VectorLength(direction);
-                               VectorCopy(vertex, outvertex3f);
-                               VectorMA(projectorigin, ratio, direction, (outvertex3f + 3));
-                               outvertex3f += 6;
-                               outvertices += 2;
+                               if (vertexupdate[element[j]] != vertexupdatenum)
+                               {
+                                       vertexupdate[element[j]] = vertexupdatenum;
+                                       vertexremap[element[j]] = outvertices;
+                                       vertex = invertex3f + element[j] * 3;
+                                       // project one copy of the vertex according to projectvector
+                                       VectorCopy(vertex, outvertex3f);
+                                       VectorAdd(vertex, projectvector, (outvertex3f + 3));
+                                       outvertex3f += 6;
+                                       outvertices += 2;
+                               }
+                       }
+               }
+       }
+       else
+       {
+               for (i = 0;i < numshadowmarktris;i++)
+               {
+                       element = inelement3i + shadowmarktris[i] * 3;
+                       for (j = 0;j < 3;j++)
+                       {
+                               if (vertexupdate[element[j]] != vertexupdatenum)
+                               {
+                                       vertexupdate[element[j]] = vertexupdatenum;
+                                       vertexremap[element[j]] = outvertices;
+                                       vertex = invertex3f + element[j] * 3;
+                                       // project one copy of the vertex to the sphere radius of the light
+                                       // (FIXME: would projecting it to the light box be better?)
+                                       VectorSubtract(vertex, projectorigin, direction);
+                                       ratio = projectdistance / VectorLength(direction);
+                                       VectorCopy(vertex, outvertex3f);
+                                       VectorMA(projectorigin, ratio, direction, (outvertex3f + 3));
+                                       outvertex3f += 6;
+                                       outvertices += 2;
+                               }
                        }
                }
        }
@@ -645,12 +679,12 @@ int R_Shadow_ConstructShadowVolume(int innumvertices, int innumtris, const int *
        return outtriangles;
 }
 
-void R_Shadow_VolumeFromList(int numverts, int numtris, const float *invertex3f, const int *elements, const int *neighbors, const vec3_t projectorigin, float projectdistance, int nummarktris, const int *marktris)
+void R_Shadow_VolumeFromList(int numverts, int numtris, const float *invertex3f, const int *elements, const int *neighbors, const vec3_t projectorigin, const vec3_t projectdirection, float projectdistance, int nummarktris, const int *marktris)
 {
        int tris, outverts;
        if (projectdistance < 0.1)
        {
-               Con_Printf("R_Shadow_Volume: projectdistance %f\n");
+               Con_Printf("R_Shadow_Volume: projectdistance %f\n", projectdistance);
                return;
        }
        if (!numverts || !nummarktris)
@@ -658,16 +692,17 @@ void R_Shadow_VolumeFromList(int numverts, int numtris, const float *invertex3f,
        // make sure shadowelements is big enough for this volume
        if (maxshadowtriangles < nummarktris || maxshadowvertices < numverts)
                R_Shadow_ResizeShadowArrays((numverts + 255) & ~255, (nummarktris + 255) & ~255);
-       tris = R_Shadow_ConstructShadowVolume(numverts, numtris, elements, neighbors, invertex3f, &outverts, shadowelements, shadowvertex3f, projectorigin, projectdistance, nummarktris, marktris);
+       tris = R_Shadow_ConstructShadowVolume(numverts, numtris, elements, neighbors, invertex3f, &outverts, shadowelements, shadowvertex3f, projectorigin, projectdirection, projectdistance, nummarktris, marktris);
        r_refdef.stats.lights_dynamicshadowtriangles += tris;
        R_Shadow_RenderVolume(outverts, tris, shadowvertex3f, shadowelements);
 }
 
-void R_Shadow_MarkVolumeFromBox(int firsttriangle, int numtris, const float *invertex3f, const int *elements, const vec3_t projectorigin, const vec3_t lightmins, const vec3_t lightmaxs, const vec3_t surfacemins, const vec3_t surfacemaxs)
+void R_Shadow_MarkVolumeFromBox(int firsttriangle, int numtris, const float *invertex3f, const int *elements, const vec3_t projectorigin, const vec3_t projectdirection, const vec3_t lightmins, const vec3_t lightmaxs, const vec3_t surfacemins, const vec3_t surfacemaxs)
 {
        int t, tend;
        const int *e;
        const float *v[3];
+       float normal[3];
        if (!BoxesOverlap(lightmins, lightmaxs, surfacemins, surfacemaxs))
                return;
        tend = firsttriangle + numtris;
@@ -676,26 +711,59 @@ void R_Shadow_MarkVolumeFromBox(int firsttriangle, int numtris, const float *inv
         && surfacemins[2] >= lightmins[2] && surfacemaxs[2] <= lightmaxs[2])
        {
                // surface box entirely inside light box, no box cull
-               for (t = firsttriangle, e = elements + t * 3;t < tend;t++, e += 3)
-                       if (PointInfrontOfTriangle(projectorigin, invertex3f + e[0] * 3, invertex3f + e[1] * 3, invertex3f + e[2] * 3))
-                               shadowmarklist[numshadowmark++] = t;
+               if (projectdirection)
+               {
+                       for (t = firsttriangle, e = elements + t * 3;t < tend;t++, e += 3)
+                       {
+                               TriangleNormal(invertex3f + e[0] * 3, invertex3f + e[1] * 3, invertex3f + e[2] * 3, normal);
+                               if (DotProduct(normal, projectdirection) < 0)
+                                       shadowmarklist[numshadowmark++] = t;
+                       }
+               }
+               else
+               {
+                       for (t = firsttriangle, e = elements + t * 3;t < tend;t++, e += 3)
+                               if (PointInfrontOfTriangle(projectorigin, invertex3f + e[0] * 3, invertex3f + e[1] * 3, invertex3f + e[2] * 3))
+                                       shadowmarklist[numshadowmark++] = t;
+               }
        }
        else
        {
                // surface box not entirely inside light box, cull each triangle
-               for (t = firsttriangle, e = elements + t * 3;t < tend;t++, e += 3)
+               if (projectdirection)
                {
-                       v[0] = invertex3f + e[0] * 3;
-                       v[1] = invertex3f + e[1] * 3;
-                       v[2] = invertex3f + e[2] * 3;
-                       if (PointInfrontOfTriangle(projectorigin, v[0], v[1], v[2])
-                        && lightmaxs[0] > min(v[0][0], min(v[1][0], v[2][0]))
-                        && lightmins[0] < max(v[0][0], max(v[1][0], v[2][0]))
-                        && lightmaxs[1] > min(v[0][1], min(v[1][1], v[2][1]))
-                        && lightmins[1] < max(v[0][1], max(v[1][1], v[2][1]))
-                        && lightmaxs[2] > min(v[0][2], min(v[1][2], v[2][2]))
-                        && lightmins[2] < max(v[0][2], max(v[1][2], v[2][2])))
-                               shadowmarklist[numshadowmark++] = t;
+                       for (t = firsttriangle, e = elements + t * 3;t < tend;t++, e += 3)
+                       {
+                               v[0] = invertex3f + e[0] * 3;
+                               v[1] = invertex3f + e[1] * 3;
+                               v[2] = invertex3f + e[2] * 3;
+                               TriangleNormal(v[0], v[1], v[2], normal);
+                               if (DotProduct(normal, projectdirection) < 0
+                                && lightmaxs[0] > min(v[0][0], min(v[1][0], v[2][0]))
+                                && lightmins[0] < max(v[0][0], max(v[1][0], v[2][0]))
+                                && lightmaxs[1] > min(v[0][1], min(v[1][1], v[2][1]))
+                                && lightmins[1] < max(v[0][1], max(v[1][1], v[2][1]))
+                                && lightmaxs[2] > min(v[0][2], min(v[1][2], v[2][2]))
+                                && lightmins[2] < max(v[0][2], max(v[1][2], v[2][2])))
+                                       shadowmarklist[numshadowmark++] = t;
+                       }
+               }
+               else
+               {
+                       for (t = firsttriangle, e = elements + t * 3;t < tend;t++, e += 3)
+                       {
+                               v[0] = invertex3f + e[0] * 3;
+                               v[1] = invertex3f + e[1] * 3;
+                               v[2] = invertex3f + e[2] * 3;
+                               if (PointInfrontOfTriangle(projectorigin, v[0], v[1], v[2])
+                                && lightmaxs[0] > min(v[0][0], min(v[1][0], v[2][0]))
+                                && lightmins[0] < max(v[0][0], max(v[1][0], v[2][0]))
+                                && lightmaxs[1] > min(v[0][1], min(v[1][1], v[2][1]))
+                                && lightmins[1] < max(v[0][1], max(v[1][1], v[2][1]))
+                                && lightmaxs[2] > min(v[0][2], min(v[1][2], v[2][2]))
+                                && lightmins[2] < max(v[0][2], max(v[1][2], v[2][2])))
+                                       shadowmarklist[numshadowmark++] = t;
+                       }
                }
        }
 }
@@ -715,11 +783,11 @@ void R_Shadow_RenderVolume(int numvertices, int numtriangles, const float *verte
        if (r_shadow_rendermode == R_SHADOW_RENDERMODE_STENCIL)
        {
                // decrement stencil if backface is behind depthbuffer
-               qglCullFace(GL_BACK);CHECKGLERROR // quake is backwards, this culls front faces
+               GL_CullFace(GL_BACK); // quake is backwards, this culls front faces
                qglStencilOp(GL_KEEP, GL_DECR, GL_KEEP);CHECKGLERROR
                R_Mesh_Draw(0, numvertices, numtriangles, element3i);
                // increment stencil if frontface is behind depthbuffer
-               qglCullFace(GL_FRONT);CHECKGLERROR // quake is backwards, this culls back faces
+               GL_CullFace(GL_FRONT); // quake is backwards, this culls back faces
                qglStencilOp(GL_KEEP, GL_INCR, GL_KEEP);CHECKGLERROR
        }
        R_Mesh_Draw(0, numvertices, numtriangles, element3i);
@@ -788,6 +856,8 @@ void R_Shadow_ValidateCvars(void)
 {
        if (r_shadow_texture3d.integer && !gl_texture3d)
                Cvar_SetValueQuick(&r_shadow_texture3d, 0);
+       if (gl_ext_separatestencil.integer && !gl_support_separatestencil)
+               Cvar_SetValueQuick(&gl_ext_separatestencil, 0);
        if (gl_ext_stenciltwoside.integer && !gl_support_stenciltwoside)
                Cvar_SetValueQuick(&gl_ext_stenciltwoside, 0);
 }
@@ -820,16 +890,16 @@ void R_Shadow_RenderMode_Begin(void)
        R_Mesh_ColorPointer(NULL);
        R_Mesh_ResetTextureState();
        GL_BlendFunc(GL_ONE, GL_ZERO);
-       GL_DepthMask(false);
        GL_DepthTest(true);
+       GL_DepthMask(false);
        GL_Color(0, 0, 0, 1);
-       qglCullFace(GL_FRONT);CHECKGLERROR // quake is backwards, this culls back faces
-       qglEnable(GL_CULL_FACE);CHECKGLERROR
        GL_Scissor(r_view.x, r_view.y, r_view.width, r_view.height);
 
        r_shadow_rendermode = R_SHADOW_RENDERMODE_NONE;
 
-       if (gl_ext_stenciltwoside.integer)
+       if (gl_ext_separatestencil.integer)
+               r_shadow_shadowingrendermode = R_SHADOW_RENDERMODE_SEPARATESTENCIL;
+       else if (gl_ext_stenciltwoside.integer)
                r_shadow_shadowingrendermode = R_SHADOW_RENDERMODE_STENCILTWOSIDE;
        else
                r_shadow_shadowingrendermode = R_SHADOW_RENDERMODE_STENCIL;
@@ -860,26 +930,38 @@ void R_Shadow_RenderMode_Reset(void)
        }
        R_Mesh_ColorPointer(NULL);
        R_Mesh_ResetTextureState();
+       GL_DepthTest(true);
+       GL_DepthMask(false);
+       qglDepthFunc(GL_LEQUAL);CHECKGLERROR
+       qglPolygonOffset(r_refdef.polygonfactor, r_refdef.polygonoffset);CHECKGLERROR
+       qglDisable(GL_STENCIL_TEST);CHECKGLERROR
+       qglStencilMask(~0);CHECKGLERROR
+       qglStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);CHECKGLERROR
+       qglStencilFunc(GL_ALWAYS, 128, ~0);CHECKGLERROR
+       GL_CullFace(GL_FRONT); // quake is backwards, this culls back faces
+       GL_Color(1, 1, 1, 1);
+       GL_ColorMask(r_view.colormask[0], r_view.colormask[1], r_view.colormask[2], 1);
+       GL_BlendFunc(GL_ONE, GL_ZERO);
 }
 
 void R_Shadow_RenderMode_StencilShadowVolumes(void)
 {
        CHECKGLERROR
        R_Shadow_RenderMode_Reset();
-       GL_Color(1, 1, 1, 1);
        GL_ColorMask(0, 0, 0, 0);
-       GL_BlendFunc(GL_ONE, GL_ZERO);
-       GL_DepthMask(false);
-       GL_DepthTest(true);
        qglPolygonOffset(r_refdef.shadowpolygonfactor, r_refdef.shadowpolygonoffset);CHECKGLERROR
        qglDepthFunc(GL_LESS);CHECKGLERROR
-       qglCullFace(GL_FRONT);CHECKGLERROR // quake is backwards, this culls back faces
        qglEnable(GL_STENCIL_TEST);CHECKGLERROR
-       qglStencilFunc(GL_ALWAYS, 128, ~0);CHECKGLERROR
        r_shadow_rendermode = r_shadow_shadowingrendermode;
-       if (r_shadow_rendermode == R_SHADOW_RENDERMODE_STENCILTWOSIDE)
+       if (r_shadow_rendermode == R_SHADOW_RENDERMODE_SEPARATESTENCIL)
        {
-               qglDisable(GL_CULL_FACE);CHECKGLERROR
+               GL_CullFace(GL_NONE);
+               qglStencilOpSeparate(GL_BACK, GL_KEEP, GL_INCR, GL_KEEP);CHECKGLERROR // quake is backwards, this is front faces
+               qglStencilOpSeparate(GL_FRONT, GL_KEEP, GL_DECR, GL_KEEP);CHECKGLERROR // quake is backwards, this is back faces
+       }
+       else if (r_shadow_rendermode == R_SHADOW_RENDERMODE_STENCILTWOSIDE)
+       {
+               GL_CullFace(GL_NONE);
                qglEnable(GL_STENCIL_TEST_TWO_SIDE_EXT);CHECKGLERROR
                qglActiveStencilFaceEXT(GL_BACK);CHECKGLERROR // quake is backwards, this is front faces
                qglStencilMask(~0);CHECKGLERROR
@@ -888,13 +970,6 @@ void R_Shadow_RenderMode_StencilShadowVolumes(void)
                qglStencilMask(~0);CHECKGLERROR
                qglStencilOp(GL_KEEP, GL_DECR, GL_KEEP);CHECKGLERROR
        }
-       else
-       {
-               qglEnable(GL_CULL_FACE);CHECKGLERROR
-               qglStencilMask(~0);CHECKGLERROR
-               // this is changed by every shadow render so its value here is unimportant
-               qglStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);CHECKGLERROR
-       }
        GL_Clear(GL_STENCIL_BUFFER_BIT);
        r_refdef.stats.lights_clears++;
 }
@@ -904,35 +979,17 @@ void R_Shadow_RenderMode_Lighting(qboolean stenciltest, qboolean transparent)
        CHECKGLERROR
        R_Shadow_RenderMode_Reset();
        GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
-       GL_DepthMask(false);
-       GL_DepthTest(true);
-       qglPolygonOffset(r_refdef.polygonfactor, r_refdef.polygonoffset);CHECKGLERROR
-       //qglDisable(GL_POLYGON_OFFSET_FILL);CHECKGLERROR
-       GL_Color(1, 1, 1, 1);
-       GL_ColorMask(r_view.colormask[0], r_view.colormask[1], r_view.colormask[2], 1);
-       if (transparent)
-       {
-               qglDepthFunc(GL_LEQUAL);CHECKGLERROR
-       }
-       else
+       if (!transparent)
        {
                qglDepthFunc(GL_EQUAL);CHECKGLERROR
        }
-       qglCullFace(GL_FRONT);CHECKGLERROR // quake is backwards, this culls back faces
-       qglEnable(GL_CULL_FACE);CHECKGLERROR
        if (stenciltest)
        {
                qglEnable(GL_STENCIL_TEST);CHECKGLERROR
+               // only draw light where this geometry was already rendered AND the
+               // stencil is 128 (values other than this mean shadow)
+               qglStencilFunc(GL_EQUAL, 128, ~0);CHECKGLERROR
        }
-       else
-       {
-               qglDisable(GL_STENCIL_TEST);CHECKGLERROR
-       }
-       qglStencilMask(~0);CHECKGLERROR
-       qglStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);CHECKGLERROR
-       // only draw light where this geometry was already rendered AND the
-       // stencil is 128 (values other than this mean shadow)
-       qglStencilFunc(GL_EQUAL, 128, ~0);CHECKGLERROR
        r_shadow_rendermode = r_shadow_lightingrendermode;
        // do global setup needed for the chosen lighting mode
        if (r_shadow_rendermode == R_SHADOW_RENDERMODE_LIGHT_GLSL)
@@ -959,15 +1016,10 @@ void R_Shadow_RenderMode_VisibleShadowVolumes(void)
        CHECKGLERROR
        R_Shadow_RenderMode_Reset();
        GL_BlendFunc(GL_ONE, GL_ONE);
-       GL_DepthMask(false);
-       GL_DepthTest(!r_showdisabledepthtest.integer);
-       qglPolygonOffset(r_refdef.polygonfactor, r_refdef.polygonoffset);CHECKGLERROR
+       GL_DepthTest(r_showshadowvolumes.integer < 2);
        GL_Color(0.0, 0.0125 * r_view.colorscale, 0.1 * r_view.colorscale, 1);
-       GL_ColorMask(r_view.colormask[0], r_view.colormask[1], r_view.colormask[2], 1);
-       qglDepthFunc(GL_GEQUAL);CHECKGLERROR
-       qglCullFace(GL_FRONT);CHECKGLERROR // this culls back
-       qglDisable(GL_CULL_FACE);CHECKGLERROR
-       qglDisable(GL_STENCIL_TEST);CHECKGLERROR
+       qglPolygonOffset(r_refdef.shadowpolygonfactor, r_refdef.shadowpolygonoffset);CHECKGLERROR
+       GL_CullFace(GL_NONE);
        r_shadow_rendermode = R_SHADOW_RENDERMODE_VISIBLEVOLUMES;
 }
 
@@ -976,29 +1028,16 @@ void R_Shadow_RenderMode_VisibleLighting(qboolean stenciltest, qboolean transpar
        CHECKGLERROR
        R_Shadow_RenderMode_Reset();
        GL_BlendFunc(GL_ONE, GL_ONE);
-       GL_DepthMask(false);
-       GL_DepthTest(!r_showdisabledepthtest.integer);
-       qglPolygonOffset(r_refdef.polygonfactor, r_refdef.polygonoffset);CHECKGLERROR
+       GL_DepthTest(r_showlighting.integer < 2);
        GL_Color(0.1 * r_view.colorscale, 0.0125 * r_view.colorscale, 0, 1);
-       GL_ColorMask(r_view.colormask[0], r_view.colormask[1], r_view.colormask[2], 1);
-       if (transparent)
-       {
-               qglDepthFunc(GL_LEQUAL);CHECKGLERROR
-       }
-       else
+       if (!transparent)
        {
                qglDepthFunc(GL_EQUAL);CHECKGLERROR
        }
-       qglCullFace(GL_FRONT);CHECKGLERROR // this culls back
-       qglEnable(GL_CULL_FACE);CHECKGLERROR
        if (stenciltest)
        {
                qglEnable(GL_STENCIL_TEST);CHECKGLERROR
        }
-       else
-       {
-               qglDisable(GL_STENCIL_TEST);CHECKGLERROR
-       }
        r_shadow_rendermode = R_SHADOW_RENDERMODE_VISIBLELIGHTING;
 }
 
@@ -1007,25 +1046,8 @@ void R_Shadow_RenderMode_End(void)
        CHECKGLERROR
        R_Shadow_RenderMode_Reset();
        R_Shadow_RenderMode_ActiveLight(NULL);
-       GL_BlendFunc(GL_ONE, GL_ZERO);
        GL_DepthMask(true);
-       GL_DepthTest(true);
-       qglPolygonOffset(r_refdef.polygonfactor, r_refdef.polygonoffset);CHECKGLERROR
-       //qglDisable(GL_POLYGON_OFFSET_FILL);CHECKGLERROR
-       GL_Color(1, 1, 1, 1);
-       GL_ColorMask(r_view.colormask[0], r_view.colormask[1], r_view.colormask[2], 1);
        GL_Scissor(r_view.x, r_view.y, r_view.width, r_view.height);
-       qglDepthFunc(GL_LEQUAL);CHECKGLERROR
-       qglCullFace(GL_FRONT);CHECKGLERROR // quake is backwards, this culls back faces
-       qglEnable(GL_CULL_FACE);CHECKGLERROR
-       qglDisable(GL_STENCIL_TEST);CHECKGLERROR
-       qglStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);CHECKGLERROR
-       if (gl_support_stenciltwoside)
-       {
-               qglDisable(GL_STENCIL_TEST_TWO_SIDE_EXT);CHECKGLERROR
-       }
-       qglStencilMask(~0);CHECKGLERROR
-       qglStencilFunc(GL_ALWAYS, 128, ~0);CHECKGLERROR
        r_shadow_rendermode = R_SHADOW_RENDERMODE_NONE;
 }
 
@@ -1625,6 +1647,7 @@ static void R_Shadow_RenderSurfacesLighting_Light_Dot3_DiffusePass(int numsurfac
 
 static void R_Shadow_RenderSurfacesLighting_Light_Dot3_SpecularPass(int numsurfaces, msurface_t **surfacelist, const vec3_t lightcolorbase, rtexture_t *glosstexture, rtexture_t *normalmaptexture, float colorscale)
 {
+       float glossexponent;
        rmeshstate_t m;
        // FIXME: detect blendsquare!
        //if (!gl_support_blendsquare)
@@ -1653,12 +1676,8 @@ static void R_Shadow_RenderSurfacesLighting_Light_Dot3_SpecularPass(int numsurfa
                R_Mesh_ResetTextureState();
                // square alpha in framebuffer a few times to make it shiny
                GL_BlendFunc(GL_ZERO, GL_DST_ALPHA);
-               // these comments are a test run through this math for intensity 0.5
-               // 0.5 * 0.5 = 0.25 (done by the BlendFunc earlier)
-               // 0.25 * 0.25 = 0.0625 (this is another pass)
-               // 0.0625 * 0.0625 = 0.00390625 (this is another pass)
-               RSurf_DrawBatch_Simple(numsurfaces, surfacelist);
-               RSurf_DrawBatch_Simple(numsurfaces, surfacelist);
+               for (glossexponent = 2;glossexponent * 2 <= r_shadow_glossexponent.value;glossexponent *= 2)
+                       RSurf_DrawBatch_Simple(numsurfaces, surfacelist);
                GL_LockArrays(0, 0);
 
                // fourth pass
@@ -1705,12 +1724,8 @@ static void R_Shadow_RenderSurfacesLighting_Light_Dot3_SpecularPass(int numsurfa
                R_Mesh_ResetTextureState();
                // square alpha in framebuffer a few times to make it shiny
                GL_BlendFunc(GL_ZERO, GL_DST_ALPHA);
-               // these comments are a test run through this math for intensity 0.5
-               // 0.5 * 0.5 = 0.25 (done by the BlendFunc earlier)
-               // 0.25 * 0.25 = 0.0625 (this is another pass)
-               // 0.0625 * 0.0625 = 0.00390625 (this is another pass)
-               RSurf_DrawBatch_Simple(numsurfaces, surfacelist);
-               RSurf_DrawBatch_Simple(numsurfaces, surfacelist);
+               for (glossexponent = 2;glossexponent * 2 <= r_shadow_glossexponent.value;glossexponent *= 2)
+                       RSurf_DrawBatch_Simple(numsurfaces, surfacelist);
                GL_LockArrays(0, 0);
 
                // fourth pass
@@ -1744,12 +1759,8 @@ static void R_Shadow_RenderSurfacesLighting_Light_Dot3_SpecularPass(int numsurfa
                R_Mesh_ResetTextureState();
                // square alpha in framebuffer a few times to make it shiny
                GL_BlendFunc(GL_ZERO, GL_DST_ALPHA);
-               // these comments are a test run through this math for intensity 0.5
-               // 0.5 * 0.5 = 0.25 (done by the BlendFunc earlier)
-               // 0.25 * 0.25 = 0.0625 (this is another pass)
-               // 0.0625 * 0.0625 = 0.00390625 (this is another pass)
-               RSurf_DrawBatch_Simple(numsurfaces, surfacelist);
-               RSurf_DrawBatch_Simple(numsurfaces, surfacelist);
+               for (glossexponent = 2;glossexponent * 2 <= r_shadow_glossexponent.value;glossexponent *= 2)
+                       RSurf_DrawBatch_Simple(numsurfaces, surfacelist);
                GL_LockArrays(0, 0);
 
                // fourth pass
@@ -1981,18 +1992,12 @@ void R_Shadow_RenderSurfacesLighting(int numsurfaces, msurface_t **surfacelist)
        lightcolorbase[2] = r_shadow_rtlight->currentcolor[2] * rsurface_entity->colormod[2] * rsurface_texture->currentalpha;
        if ((r_shadow_rtlight->ambientscale + r_shadow_rtlight->diffusescale) * VectorLength2(lightcolorbase) + (r_shadow_rtlight->specularscale * rsurface_texture->specularscale) * VectorLength2(lightcolorbase) < (1.0f / 1048576.0f))
                return;
-       if ((rsurface_texture->textureflags & Q3TEXTUREFLAG_TWOSIDED) || (rsurface_entity->flags & RENDER_NOCULLFACE))
-       {
-               qglDisable(GL_CULL_FACE);CHECKGLERROR
-       }
-       else
-       {
-               qglEnable(GL_CULL_FACE);CHECKGLERROR
-       }
+       GL_DepthTest(!(rsurface_texture->currentmaterialflags & MATERIALFLAG_NODEPTHTEST));
+       GL_CullFace(((rsurface_texture->textureflags & Q3TEXTUREFLAG_TWOSIDED) || (rsurface_entity->flags & RENDER_NOCULLFACE)) ? GL_NONE : GL_FRONT); // quake is backwards, this culls back faces
        if (rsurface_texture->colormapping)
        {
-               qboolean dopants = rsurface_texture->skin.pants != NULL && VectorLength2(rsurface_entity->colormap_pantscolor) >= (1.0f / 1048576.0f);
-               qboolean doshirt = rsurface_texture->skin.shirt != NULL && VectorLength2(rsurface_entity->colormap_shirtcolor) >= (1.0f / 1048576.0f);
+               qboolean dopants = rsurface_texture->currentskinframe->pants != NULL && VectorLength2(rsurface_entity->colormap_pantscolor) >= (1.0f / 1048576.0f);
+               qboolean doshirt = rsurface_texture->currentskinframe->shirt != NULL && VectorLength2(rsurface_entity->colormap_shirtcolor) >= (1.0f / 1048576.0f);
                if (dopants)
                {
                        lightcolorpants[0] = lightcolorbase[0] * rsurface_entity->colormap_pantscolor[0];
@@ -2012,16 +2017,17 @@ void R_Shadow_RenderSurfacesLighting(int numsurfaces, msurface_t **surfacelist)
                switch (r_shadow_rendermode)
                {
                case R_SHADOW_RENDERMODE_VISIBLELIGHTING:
-                       R_Shadow_RenderSurfacesLighting_VisibleLighting(numsurfaces, surfacelist, lightcolorbase, lightcolorpants, lightcolorshirt, rsurface_texture->basetexture, rsurface_texture->skin.pants, rsurface_texture->skin.shirt, rsurface_texture->skin.nmap, rsurface_texture->glosstexture, r_shadow_rtlight->specularscale * rsurface_texture->specularscale, dopants, doshirt);
+                       GL_DepthTest(!(rsurface_texture->currentmaterialflags & MATERIALFLAG_NODEPTHTEST) && !r_showdisabledepthtest.integer);
+                       R_Shadow_RenderSurfacesLighting_VisibleLighting(numsurfaces, surfacelist, lightcolorbase, lightcolorpants, lightcolorshirt, rsurface_texture->basetexture, rsurface_texture->currentskinframe->pants, rsurface_texture->currentskinframe->shirt, rsurface_texture->currentskinframe->nmap, rsurface_texture->glosstexture, r_shadow_rtlight->specularscale * rsurface_texture->specularscale, dopants, doshirt);
                        break;
                case R_SHADOW_RENDERMODE_LIGHT_GLSL:
-                       R_Shadow_RenderSurfacesLighting_Light_GLSL(numsurfaces, surfacelist, lightcolorbase, lightcolorpants, lightcolorshirt, rsurface_texture->basetexture, rsurface_texture->skin.pants, rsurface_texture->skin.shirt, rsurface_texture->skin.nmap, rsurface_texture->glosstexture, r_shadow_rtlight->specularscale * rsurface_texture->specularscale, dopants, doshirt);
+                       R_Shadow_RenderSurfacesLighting_Light_GLSL(numsurfaces, surfacelist, lightcolorbase, lightcolorpants, lightcolorshirt, rsurface_texture->basetexture, rsurface_texture->currentskinframe->pants, rsurface_texture->currentskinframe->shirt, rsurface_texture->currentskinframe->nmap, rsurface_texture->glosstexture, r_shadow_rtlight->specularscale * rsurface_texture->specularscale, dopants, doshirt);
                        break;
                case R_SHADOW_RENDERMODE_LIGHT_DOT3:
-                       R_Shadow_RenderSurfacesLighting_Light_Dot3(numsurfaces, surfacelist, lightcolorbase, lightcolorpants, lightcolorshirt, rsurface_texture->basetexture, rsurface_texture->skin.pants, rsurface_texture->skin.shirt, rsurface_texture->skin.nmap, rsurface_texture->glosstexture, r_shadow_rtlight->specularscale * rsurface_texture->specularscale, dopants, doshirt);
+                       R_Shadow_RenderSurfacesLighting_Light_Dot3(numsurfaces, surfacelist, lightcolorbase, lightcolorpants, lightcolorshirt, rsurface_texture->basetexture, rsurface_texture->currentskinframe->pants, rsurface_texture->currentskinframe->shirt, rsurface_texture->currentskinframe->nmap, rsurface_texture->glosstexture, r_shadow_rtlight->specularscale * rsurface_texture->specularscale, dopants, doshirt);
                        break;
                case R_SHADOW_RENDERMODE_LIGHT_VERTEX:
-                       R_Shadow_RenderSurfacesLighting_Light_Vertex(numsurfaces, surfacelist, lightcolorbase, lightcolorpants, lightcolorshirt, rsurface_texture->basetexture, rsurface_texture->skin.pants, rsurface_texture->skin.shirt, rsurface_texture->skin.nmap, rsurface_texture->glosstexture, r_shadow_rtlight->specularscale * rsurface_texture->specularscale, dopants, doshirt);
+                       R_Shadow_RenderSurfacesLighting_Light_Vertex(numsurfaces, surfacelist, lightcolorbase, lightcolorpants, lightcolorshirt, rsurface_texture->basetexture, rsurface_texture->currentskinframe->pants, rsurface_texture->currentskinframe->shirt, rsurface_texture->currentskinframe->nmap, rsurface_texture->glosstexture, r_shadow_rtlight->specularscale * rsurface_texture->specularscale, dopants, doshirt);
                        break;
                default:
                        Con_Printf("R_Shadow_RenderSurfacesLighting: unknown r_shadow_rendermode %i\n", r_shadow_rendermode);
@@ -2033,16 +2039,17 @@ void R_Shadow_RenderSurfacesLighting(int numsurfaces, msurface_t **surfacelist)
                switch (r_shadow_rendermode)
                {
                case R_SHADOW_RENDERMODE_VISIBLELIGHTING:
-                       R_Shadow_RenderSurfacesLighting_VisibleLighting(numsurfaces, surfacelist, lightcolorbase, vec3_origin, vec3_origin, rsurface_texture->basetexture, r_texture_black, r_texture_black, rsurface_texture->skin.nmap, rsurface_texture->glosstexture, r_shadow_rtlight->specularscale * rsurface_texture->specularscale, false, false);
+                       GL_DepthTest(!(rsurface_texture->currentmaterialflags & MATERIALFLAG_NODEPTHTEST) && !r_showdisabledepthtest.integer);
+                       R_Shadow_RenderSurfacesLighting_VisibleLighting(numsurfaces, surfacelist, lightcolorbase, vec3_origin, vec3_origin, rsurface_texture->basetexture, r_texture_black, r_texture_black, rsurface_texture->currentskinframe->nmap, rsurface_texture->glosstexture, r_shadow_rtlight->specularscale * rsurface_texture->specularscale, false, false);
                        break;
                case R_SHADOW_RENDERMODE_LIGHT_GLSL:
-                       R_Shadow_RenderSurfacesLighting_Light_GLSL(numsurfaces, surfacelist, lightcolorbase, vec3_origin, vec3_origin, rsurface_texture->basetexture, r_texture_black, r_texture_black, rsurface_texture->skin.nmap, rsurface_texture->glosstexture, r_shadow_rtlight->specularscale * rsurface_texture->specularscale, false, false);
+                       R_Shadow_RenderSurfacesLighting_Light_GLSL(numsurfaces, surfacelist, lightcolorbase, vec3_origin, vec3_origin, rsurface_texture->basetexture, r_texture_black, r_texture_black, rsurface_texture->currentskinframe->nmap, rsurface_texture->glosstexture, r_shadow_rtlight->specularscale * rsurface_texture->specularscale, false, false);
                        break;
                case R_SHADOW_RENDERMODE_LIGHT_DOT3:
-                       R_Shadow_RenderSurfacesLighting_Light_Dot3(numsurfaces, surfacelist, lightcolorbase, vec3_origin, vec3_origin, rsurface_texture->basetexture, r_texture_black, r_texture_black, rsurface_texture->skin.nmap, rsurface_texture->glosstexture, r_shadow_rtlight->specularscale * rsurface_texture->specularscale, false, false);
+                       R_Shadow_RenderSurfacesLighting_Light_Dot3(numsurfaces, surfacelist, lightcolorbase, vec3_origin, vec3_origin, rsurface_texture->basetexture, r_texture_black, r_texture_black, rsurface_texture->currentskinframe->nmap, rsurface_texture->glosstexture, r_shadow_rtlight->specularscale * rsurface_texture->specularscale, false, false);
                        break;
                case R_SHADOW_RENDERMODE_LIGHT_VERTEX:
-                       R_Shadow_RenderSurfacesLighting_Light_Vertex(numsurfaces, surfacelist, lightcolorbase, vec3_origin, vec3_origin, rsurface_texture->basetexture, r_texture_black, r_texture_black, rsurface_texture->skin.nmap, rsurface_texture->glosstexture, r_shadow_rtlight->specularscale * rsurface_texture->specularscale, false, false);
+                       R_Shadow_RenderSurfacesLighting_Light_Vertex(numsurfaces, surfacelist, lightcolorbase, vec3_origin, vec3_origin, rsurface_texture->basetexture, r_texture_black, r_texture_black, rsurface_texture->currentskinframe->nmap, rsurface_texture->glosstexture, r_shadow_rtlight->specularscale * rsurface_texture->specularscale, false, false);
                        break;
                default:
                        Con_Printf("R_Shadow_RenderSurfacesLighting: unknown r_shadow_rendermode %i\n", r_shadow_rendermode);
@@ -2053,8 +2060,7 @@ void R_Shadow_RenderSurfacesLighting(int numsurfaces, msurface_t **surfacelist)
 
 void R_RTLight_Update(dlight_t *light, int isstatic)
 {
-       int j, k;
-       float scale;
+       double scale;
        rtlight_t *rtlight = &light->rtlight;
        R_RTLight_Uncompile(rtlight);
        memset(rtlight, 0, sizeof(*rtlight));
@@ -2072,7 +2078,7 @@ void R_RTLight_Update(dlight_t *light, int isstatic)
        rtlight->cullmaxs[2] = rtlight->shadoworigin[2] + rtlight->radius;
        rtlight->cubemapname[0] = 0;
        if (light->cubemapname[0])
-               strcpy(rtlight->cubemapname, light->cubemapname);
+               strlcpy(rtlight->cubemapname, light->cubemapname, sizeof(rtlight->cubemapname));
        else if (light->cubemapnum > 0)
                sprintf(rtlight->cubemapname, "cubemaps/%i", light->cubemapnum);
        rtlight->shadow = light->shadow;
@@ -2085,12 +2091,11 @@ void R_RTLight_Update(dlight_t *light, int isstatic)
        rtlight->specularscale = light->specularscale;
        rtlight->flags = light->flags;
        Matrix4x4_Invert_Simple(&rtlight->matrix_worldtolight, &light->matrix);
-       // ConcatScale won't work here because this needs to scale rotate and
-       // translate, not just rotate
-       scale = 1.0f / rtlight->radius;
-       for (k = 0;k < 3;k++)
-               for (j = 0;j < 4;j++)
-                       rtlight->matrix_worldtolight.m[k][j] *= scale;
+       // this has to scale both rotate and translate because this is an already
+       // inverted matrix (it transforms from world to light space, not the other
+       // way around)
+       scale = 1.0 / rtlight->radius;
+       Matrix4x4_Scale(&rtlight->matrix_worldtolight, scale, scale);
 }
 
 // compiles rtlight geometry
@@ -2138,7 +2143,7 @@ void R_RTLight_Compile(rtlight_t *rtlight)
                if (numsurfaces)
                        memcpy(rtlight->static_surfacelist, r_shadow_buffer_surfacelist, rtlight->static_numsurfaces * sizeof(*rtlight->static_surfacelist));
                if (model->CompileShadowVolume && rtlight->shadow)
-                       model->CompileShadowVolume(ent, rtlight->shadoworigin, rtlight->radius, numsurfaces, r_shadow_buffer_surfacelist);
+                       model->CompileShadowVolume(ent, rtlight->shadoworigin, NULL, rtlight->radius, numsurfaces, r_shadow_buffer_surfacelist);
                // now we're done compiling the rtlight
                r_shadow_compilingrtlight = NULL;
        }
@@ -2211,11 +2216,11 @@ void R_Shadow_DrawEntityShadow(entity_render_t *ent, int numsurfaces, int *surfa
                                if (r_shadow_rendermode == R_SHADOW_RENDERMODE_STENCIL)
                                {
                                        // decrement stencil if backface is behind depthbuffer
-                                       qglCullFace(GL_BACK);CHECKGLERROR // quake is backwards, this culls front faces
+                                       GL_CullFace(GL_BACK); // quake is backwards, this culls front faces
                                        qglStencilOp(GL_KEEP, GL_DECR, GL_KEEP);CHECKGLERROR
                                        R_Mesh_Draw(0, mesh->numverts, mesh->numtriangles, mesh->element3i);
                                        // increment stencil if frontface is behind depthbuffer
-                                       qglCullFace(GL_FRONT);CHECKGLERROR // quake is backwards, this culls back faces
+                                       GL_CullFace(GL_FRONT); // quake is backwards, this culls back faces
                                        qglStencilOp(GL_KEEP, GL_INCR, GL_KEEP);CHECKGLERROR
                                }
                                R_Mesh_Draw(0, mesh->numverts, mesh->numtriangles, mesh->element3i);
@@ -2226,7 +2231,7 @@ void R_Shadow_DrawEntityShadow(entity_render_t *ent, int numsurfaces, int *surfa
                else if (numsurfaces)
                {
                        R_Mesh_Matrix(&ent->matrix);
-                       model->DrawShadowVolume(ent, r_shadow_rtlight->shadoworigin, r_shadow_rtlight->radius, numsurfaces, surfacelist, r_shadow_rtlight->cullmins, r_shadow_rtlight->cullmaxs);
+                       model->DrawShadowVolume(ent, r_shadow_rtlight->shadoworigin, NULL, r_shadow_rtlight->radius, numsurfaces, surfacelist, r_shadow_rtlight->cullmins, r_shadow_rtlight->cullmaxs);
                }
        }
        else
@@ -2240,7 +2245,7 @@ void R_Shadow_DrawEntityShadow(entity_render_t *ent, int numsurfaces, int *surfa
                relativeshadowmaxs[1] = relativeshadoworigin[1] + relativeshadowradius;
                relativeshadowmaxs[2] = relativeshadoworigin[2] + relativeshadowradius;
                R_Mesh_Matrix(&ent->matrix);
-               model->DrawShadowVolume(ent, relativeshadoworigin, relativeshadowradius, model->nummodelsurfaces, model->surfacelist, relativeshadowmins, relativeshadowmaxs);
+               model->DrawShadowVolume(ent, relativeshadoworigin, NULL, relativeshadowradius, model->nummodelsurfaces, model->surfacelist, relativeshadowmins, relativeshadowmaxs);
        }
 }
 
@@ -2380,7 +2385,9 @@ void R_DrawRTLight(rtlight_t *rtlight, qboolean visible)
                         && (r_refdef.worldmodel == NULL || r_refdef.worldmodel->brush.BoxTouchingLeafPVS == NULL || r_refdef.worldmodel->brush.BoxTouchingLeafPVS(r_refdef.worldmodel, leafpvs, ent->mins, ent->maxs)))
                        {
                                // about the VectorDistance2 - light emitting entities should not cast their own shadow
-                               if ((ent->flags & RENDER_SHADOW) && model->DrawShadowVolume && VectorDistance2(ent->origin, rtlight->shadoworigin) > 0.1)
+                               vec3_t org;
+                               Matrix4x4_OriginFromMatrix(&ent->matrix, org);
+                               if ((ent->flags & RENDER_SHADOW) && model->DrawShadowVolume && VectorDistance2(org, rtlight->shadoworigin) > 0.1)
                                        shadowentities[numshadowentities++] = ent;
                                if (r_viewcache.entityvisible[i] && (ent->flags & RENDER_LIGHT) && model->DrawLight)
                                        lightentities[numlightentities++] = ent;
@@ -2470,6 +2477,94 @@ void R_ShadowVolumeLighting(qboolean visible)
        R_Shadow_RenderMode_End();
 }
 
+extern void R_SetupView(const matrix4x4_t *matrix);
+extern cvar_t r_shadows_throwdistance;
+void R_DrawModelShadows(void)
+{
+       int i;
+       float relativethrowdistance;
+       entity_render_t *ent;
+       vec3_t relativelightorigin;
+       vec3_t relativelightdirection;
+       vec3_t relativeshadowmins, relativeshadowmaxs;
+       float vertex3f[12];
+
+       if (!r_drawentities.integer || !gl_stencil)
+               return;
+
+       CHECKGLERROR
+       GL_Scissor(r_view.x, r_view.y, r_view.width, r_view.height);
+
+       r_shadow_rendermode = R_SHADOW_RENDERMODE_NONE;
+
+       if (gl_ext_separatestencil.integer)
+               r_shadow_shadowingrendermode = R_SHADOW_RENDERMODE_SEPARATESTENCIL;
+       else if (gl_ext_stenciltwoside.integer)
+               r_shadow_shadowingrendermode = R_SHADOW_RENDERMODE_STENCILTWOSIDE;
+       else
+               r_shadow_shadowingrendermode = R_SHADOW_RENDERMODE_STENCIL;
+
+       R_Shadow_RenderMode_StencilShadowVolumes();
+
+       for (i = 0;i < r_refdef.numentities;i++)
+       {
+               ent = r_refdef.entities[i];
+               // cast shadows from anything that is not a submodel of the map
+               if (ent->model && ent->model->DrawShadowVolume != NULL && !ent->model->brush.submodel && (ent->flags & RENDER_SHADOW))
+               {
+                       relativethrowdistance = r_shadows_throwdistance.value * Matrix4x4_ScaleFromMatrix(&ent->inversematrix);
+                       VectorSet(relativeshadowmins, -relativethrowdistance, -relativethrowdistance, -relativethrowdistance);
+                       VectorSet(relativeshadowmaxs, relativethrowdistance, relativethrowdistance, relativethrowdistance);
+                       VectorNegate(ent->modellight_lightdir, relativelightdirection);
+                       VectorScale(relativelightdirection, -relativethrowdistance, relativelightorigin);
+                       R_Mesh_Matrix(&ent->matrix);
+                       ent->model->DrawShadowVolume(ent, relativelightorigin, relativelightdirection, relativethrowdistance, ent->model->nummodelsurfaces, ent->model->surfacelist, relativeshadowmins, relativeshadowmaxs);
+               }
+       }
+
+       // not really the right mode, but this will disable any silly stencil features
+       R_Shadow_RenderMode_VisibleLighting(true, true);
+
+       // vertex coordinates for a quad that covers the screen exactly
+       vertex3f[0] = 0;vertex3f[1] = 0;vertex3f[2] = 0;
+       vertex3f[3] = 1;vertex3f[4] = 0;vertex3f[5] = 0;
+       vertex3f[6] = 1;vertex3f[7] = 1;vertex3f[8] = 0;
+       vertex3f[9] = 0;vertex3f[10] = 1;vertex3f[11] = 0;
+
+       // set up ortho view for rendering this pass
+       GL_SetupView_Mode_Ortho(0, 0, 1, 1, -10, 100);
+       GL_Scissor(r_view.x, r_view.y, r_view.width, r_view.height);
+       GL_ColorMask(r_view.colormask[0], r_view.colormask[1], r_view.colormask[2], 1);
+       GL_ScissorTest(true);
+       R_Mesh_Matrix(&identitymatrix);
+       R_Mesh_ResetTextureState();
+       R_Mesh_VertexPointer(vertex3f);
+       R_Mesh_ColorPointer(NULL);
+
+       // set up a 50% darkening blend on shadowed areas
+       GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+       GL_DepthTest(false);
+       GL_DepthMask(false);
+       qglPolygonOffset(r_refdef.polygonfactor, r_refdef.polygonoffset);CHECKGLERROR
+       GL_Color(0, 0, 0, 0.5);
+       GL_ColorMask(r_view.colormask[0], r_view.colormask[1], r_view.colormask[2], 1);
+       qglDepthFunc(GL_ALWAYS);CHECKGLERROR
+       qglEnable(GL_STENCIL_TEST);CHECKGLERROR
+       qglStencilMask(~0);CHECKGLERROR
+       qglStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);CHECKGLERROR
+       qglStencilFunc(GL_NOTEQUAL, 128, ~0);CHECKGLERROR
+
+       // apply the blend to the shadowed areas
+       R_Mesh_Draw(0, 4, 2, polygonelements);
+
+       // restoring the perspective view is done by R_RenderScene
+       //R_SetupView(&r_view.matrix);
+
+       // restore other state to normal
+       R_Shadow_RenderMode_End();
+}
+
+
 //static char *suffix[6] = {"ft", "bk", "rt", "lf", "up", "dn"};
 typedef struct suffixinfo_s
 {
@@ -2577,7 +2672,7 @@ rtexture_t *R_Shadow_Cubemap(const char *basename)
        if (i >= MAX_CUBEMAPS)
                return r_texture_whitecube;
        numcubemaps++;
-       strcpy(cubemaps[i].basename, basename);
+       strlcpy(cubemaps[i].basename, basename, sizeof(cubemaps[i].basename));
        cubemaps[i].texture = R_Shadow_LoadCubemap(cubemaps[i].basename);
        if (!cubemaps[i].texture)
                cubemaps[i].texture = r_texture_whitecube;
@@ -2782,8 +2877,10 @@ void R_Shadow_LoadWorldLights(void)
                        // remove quotes on cubemapname
                        if (cubemapname[0] == '"' && cubemapname[strlen(cubemapname) - 1] == '"')
                        {
-                               cubemapname[strlen(cubemapname)-1] = 0;
-                               strcpy(cubemapname, cubemapname + 1);
+                               size_t namelen;
+                               namelen = strlen(cubemapname) - 2;
+                               memmove(cubemapname, cubemapname + 1, namelen);
+                               cubemapname[namelen] = '\0';
                        }
                        if (a < 8)
                        {
@@ -2927,7 +3024,7 @@ void R_Shadow_LoadWorldLightsFromMap_LightArghliteTyrlite(void)
                data = r_refdef.worldmodel->brush.entities;
        if (!data)
                return;
-       for (entnum = 0;COM_ParseToken(&data, false) && com_token[0] == '{';entnum++)
+       for (entnum = 0;COM_ParseTokenConsole(&data) && com_token[0] == '{';entnum++)
        {
                type = LIGHTTYPE_MINUSX;
                origin[0] = origin[1] = origin[2] = 0;
@@ -2945,19 +3042,19 @@ void R_Shadow_LoadWorldLightsFromMap_LightArghliteTyrlite(void)
                islight = false;
                while (1)
                {
-                       if (!COM_ParseToken(&data, false))
+                       if (!COM_ParseTokenConsole(&data))
                                break; // error
                        if (com_token[0] == '}')
                                break; // end of entity
                        if (com_token[0] == '_')
-                               strcpy(key, com_token + 1);
+                               strlcpy(key, com_token + 1, sizeof(key));
                        else
-                               strcpy(key, com_token);
+                               strlcpy(key, com_token, sizeof(key));
                        while (key[strlen(key)-1] == ' ') // remove trailing spaces
                                key[strlen(key)-1] = 0;
-                       if (!COM_ParseToken(&data, false))
+                       if (!COM_ParseTokenConsole(&data))
                                break; // error
-                       strcpy(value, com_token);
+                       strlcpy(value, com_token, sizeof(value));
 
                        // now that we have the key pair worked out...
                        if (!strcmp("light", key))
@@ -3432,7 +3529,7 @@ void R_Shadow_EditLights_Edit_f(void)
                        return;
                }
                if (Cmd_Argc() == 3)
-                       strcpy(cubemapname, Cmd_Argv(2));
+                       strlcpy(cubemapname, Cmd_Argv(2), sizeof(cubemapname));
                else
                        cubemapname[0] = 0;
        }
@@ -3702,7 +3799,7 @@ void R_Shadow_EditLights_CopyInfo_f(void)
        r_shadow_bufferlight.radius = r_shadow_selectedlight->radius;
        r_shadow_bufferlight.style = r_shadow_selectedlight->style;
        if (r_shadow_selectedlight->cubemapname)
-               strcpy(r_shadow_bufferlight.cubemapname, r_shadow_selectedlight->cubemapname);
+               strlcpy(r_shadow_bufferlight.cubemapname, r_shadow_selectedlight->cubemapname, sizeof(r_shadow_bufferlight.cubemapname));
        else
                r_shadow_bufferlight.cubemapname[0] = 0;
        r_shadow_bufferlight.shadow = r_shadow_selectedlight->shadow;