now does batching of transparent surfaces, such as particles, this raised performance...

[xonotic/darkplaces.git] / r_explosion.c

diff --git a/r_explosion.c b/r_explosion.c
index 4dd9f853ed6832c4750842db2998364d80851fb5..a486f42de11d42bb419728ac619240b218850411 100644 (file)
--- a/r_explosion.c
+++ b/r_explosion.c
@@ -180,34 +180,30 @@ void R_NewExplosion(const vec3_t org)
        }
 }
 
-static void R_DrawExplosion_TransparentCallback(const entity_render_t *ent, int surfacenumber, const rtlight_t *rtlight)
+static void R_DrawExplosion_TransparentCallback(const entity_render_t *ent, const rtlight_t *rtlight, int numsurfaces, int *surfacelist)
 {
-       const explosion_t *e = explosion + surfacenumber;
-       int numtriangles, numverts;
-       float alpha;
+       int surfacelistindex = 0;
+       const int numtriangles = EXPLOSIONTRIS, numverts = EXPLOSIONVERTS;
        rmeshstate_t m;
-
        GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
        GL_DepthMask(false);
        GL_DepthTest(true);
        R_Mesh_Matrix(&identitymatrix);
 
-       numtriangles = EXPLOSIONTRIS;
-       numverts = EXPLOSIONVERTS;
-       alpha = e->alpha;
-
-       R_Mesh_VertexPointer(e->vert[0]);
        R_Mesh_ColorPointer(NULL);
        memset(&m, 0, sizeof(m));
        m.tex[0] = R_GetTexture(explosiontexture);
        m.pointer_texcoord[0] = explosiontexcoord2f[0];
        R_Mesh_TextureState(&m);
-
-       GL_Color(alpha, alpha, alpha, 1);
-
-       GL_LockArrays(0, numverts);
-       R_Mesh_Draw(0, numverts, numtriangles, explosiontris[0]);
-       GL_LockArrays(0, 0);
+       for (surfacelistindex = 0;surfacelistindex < numsurfaces;surfacelistindex++)
+       {
+               const explosion_t *e = explosion + surfacelist[surfacelistindex];
+               R_Mesh_VertexPointer(e->vert[0]);
+               GL_Color(e->alpha, e->alpha, e->alpha, 1);
+               GL_LockArrays(0, numverts);
+               R_Mesh_Draw(0, numverts, numtriangles, explosiontris[0]);
+               GL_LockArrays(0, 0);
+       }
 }
 
 static void R_MoveExplosion(explosion_t *e)