446

[xonotic/darkplaces.git] / model_brush.c

diff --git a/model_brush.c b/model_brush.c
index 7e9ca7fb6b58c9517e861d58235c555b8bade143..76e666f509a7f80cc3c0cdb398f002b0cd2895da 100644 (file)
--- a/model_brush.c
+++ b/model_brush.c
@@ -1193,9 +1193,17 @@ middle sample (the one which was requested)
 
 void Mod_Q1BSP_LightPoint(model_t *model, const vec3_t p, vec3_t ambientcolor, vec3_t diffusecolor, vec3_t diffusenormal)
 {
-       Mod_Q1BSP_LightPoint_RecursiveBSPNode(model, ambientcolor, diffusecolor, diffusenormal, model->brush.data_nodes + model->brushq1.hulls[0].firstclipnode, p[0], p[1], p[2] + 0.125, p[2] - 65536);
        // pretend lighting is coming down from above (due to lack of a lightgrid to know primary lighting direction)
        VectorSet(diffusenormal, 0, 0, 1);
+
+       if (!model->brushq1.lightdata)
+       {
+               VectorSet(ambientcolor, 1, 1, 1);
+               VectorSet(diffusecolor, 0, 0, 0);
+               return;
+       }
+
+       Mod_Q1BSP_LightPoint_RecursiveBSPNode(model, ambientcolor, diffusecolor, diffusenormal, model->brush.data_nodes + model->brushq1.hulls[0].firstclipnode, p[0], p[1], p[2] + 0.125, p[2] - 65536);
 }
 
 static void Mod_Q1BSP_DecompressVis(const unsigned char *in, const unsigned char *inend, unsigned char *out, unsigned char *outend)
@@ -3406,9 +3414,6 @@ void Mod_Q1BSP_Load(model_t *mod, void *buffer, void *bufferend)
        // check if the map supports transparent water rendering
        loadmodel->brush.supportwateralpha = Mod_Q1BSP_CheckWaterAlphaSupport();
 
-       if (!mod->brushq1.lightdata)
-               mod->brush.LightPoint = NULL;
-
        if (mod->brushq1.data_compressedpvs)
                Mem_Free(mod->brushq1.data_compressedpvs);
        mod->brushq1.data_compressedpvs = NULL;
@@ -4398,6 +4403,7 @@ static void Mod_Q3BSP_LoadShaders(void)
                        // identify if this is a blended terrain shader or similar
                        if (shader->numlayers)
                        {
+                               shader->backgroundlayer = NULL;
                                shader->primarylayer = shader->layers + 0;
                                if ((shader->layers[0].blendfunc[0] == GL_ONE       && shader->layers[0].blendfunc[1] == GL_ZERO                && !shader->layers[0].alphatest)
                                && ((shader->layers[1].blendfunc[0] == GL_SRC_ALPHA && shader->layers[1].blendfunc[1] == GL_ONE_MINUS_SRC_ALPHA && !shader->layers[0].alphatest)
@@ -4409,7 +4415,10 @@ static void Mod_Q3BSP_LoadShaders(void)
                                }
                                // now see if the lightmap came first, and if so choose the second texture instead
                                if (!strcasecmp(shader->primarylayer->texturename[0], "$lightmap"))
+                               {
+                                       shader->backgroundlayer = NULL;
                                        shader->primarylayer = shader->layers + 1;
+                               }
                        }
                }
                Mem_Free(f);
@@ -4477,7 +4486,9 @@ static void Mod_Q3BSP_LoadTextures(lump_t *l)
                                out->basematerialflags |= MATERIALFLAG_WALL;
                        if (shader->layers[0].alphatest)
                                out->basematerialflags |= MATERIALFLAG_ALPHATEST | MATERIALFLAG_TRANSPARENT | MATERIALFLAG_NOSHADOW;
-                       if (shader->textureflags & (Q3TEXTUREFLAG_TWOSIDED | Q3TEXTUREFLAG_AUTOSPRITE | Q3TEXTUREFLAG_AUTOSPRITE2))
+                       if (shader->textureflags & Q3TEXTUREFLAG_TWOSIDED)
+                               out->basematerialflags |= MATERIALFLAG_NOSHADOW | MATERIALFLAG_NOCULLFACE;
+                       if (shader->textureflags & (Q3TEXTUREFLAG_AUTOSPRITE | Q3TEXTUREFLAG_AUTOSPRITE2))
                                out->basematerialflags |= MATERIALFLAG_NOSHADOW;
                        out->customblendfunc[0] = GL_ONE;
                        out->customblendfunc[1] = GL_ZERO;