new experimental shadow volumes, try r_shadows 2 to see the shadow volumes cast by...

[xonotic/darkplaces.git] / gl_models.c

diff --git a/gl_models.c b/gl_models.c
index 87357618c28d89add98da700a27ab682abe19b28..17310919d8cda8bd8f6298a17aa6cc32202cf138 100644 (file)
--- a/gl_models.c
+++ b/gl_models.c
@@ -1,6 +1,7 @@
 
 #include "quakedef.h"
 #include "cl_collision.h"
+#include "r_shadow.h"
 
 cvar_t r_quickmodels = {0, "r_quickmodels", "1"};
 
@@ -471,6 +472,7 @@ void R_DrawQ1Q2AliasModelCallback (const void *calldata1, int calldata2)
        }
 }
 
+extern cvar_t r_shadows;
 void R_DrawQ1Q2AliasModelFakeShadow (entity_render_t *ent)
 {
        int i;
@@ -478,6 +480,34 @@ void R_DrawQ1Q2AliasModelFakeShadow (entity_render_t *ent)
        model_t *model;
        float *v, planenormal[3], planedist, dist, projection[3], floororigin[3], surfnormal[3], lightdirection[3], v2[3];
 
+       if (r_shadows.integer > 1)
+       {
+               float f;
+               vec3_t temp;
+               for (i = 0;i < r_numdlights;i++)
+               {
+                       if (ent != r_dlight[i].ent)
+                       {
+                               VectorSubtract(ent->origin, r_dlight[i].origin, temp);
+                               f = DotProduct(temp,temp);
+                               if (f < (ent->model->radius2 + r_dlight[i].cullradius2))
+                               {
+                                       model = ent->model;
+                                       R_Mesh_ResizeCheck(model->numverts * 2);
+                                       memset(&m, 0, sizeof(m));
+                                       m.blendfunc1 = GL_ONE;
+                                       m.blendfunc2 = GL_ONE;
+                                       R_Mesh_State(&m);
+                                       R_Mesh_Matrix(&ent->matrix);
+                                       R_LerpMDLMD2Vertices(ent, varray_vertex, aliasvertnorm);
+                                       R_FillColors(varray_color, model->numverts * 2, 0.1 * r_colorscale, 0.025 * r_colorscale, 0.0125 * r_colorscale, 1);
+                                       Matrix4x4_Transform(&ent->inversematrix, r_dlight[i].origin, temp);
+                                       R_ShadowVolume(model->numverts, model->numtris, model->mdlmd2data_indices, model->mdlmd2data_triangleneighbors, temp, r_dlight[i].cullradius + model->radius - sqrt(f));
+                               }
+                       }
+               }
+       }
+
        lightdirection[0] = 0.5;
        lightdirection[1] = 0.2;
        lightdirection[2] = -1;