Generate a pvs for refraction renders just like for reflection renders, this fixes...

In light of the above, allow r_wateralpha when r_water is used, even if the bsp is not watervised - this works for all non-recursive cases (so the elder hall water pool in start.bsp is still broken).

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@12411 d7cf8633-e32d-0410-b094-e92efae38249

diff --git a/gl_rmain.c b/gl_rmain.c
index 0970fdb7257273973335590ffbd76cfa0f61bba0..b32206dcb2aa1e5a3837f5d7996788cc21f0266e 100644 (file)
--- a/gl_rmain.c
+++ b/gl_rmain.c
@@ -4982,6 +4982,7 @@ static void R_Water_ProcessPlanes(int fbo, rtexture_t *depthtexture, rtexture_t
                        // reverse the cullface settings for this render
                        r_refdef.view.cullface_front = GL_FRONT;
                        r_refdef.view.cullface_back = GL_BACK;
+                       // combined pvs (based on what can be seen from each surface center)
                        if (r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->brush.num_pvsclusterbytes)
                        {
                                r_refdef.view.usecustompvs = true;
@@ -5029,6 +5030,16 @@ static void R_Water_ProcessPlanes(int fbo, rtexture_t *depthtexture, rtexture_t
                                }
                        }
 
+                       // combined pvs (based on what can be seen from each surface center)
+                       if (r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->brush.num_pvsclusterbytes)
+                       {
+                               r_refdef.view.usecustompvs = true;
+                               if (p->pvsvalid)
+                                       memcpy(r_refdef.viewcache.world_pvsbits, p->pvsbits, r_refdef.scene.worldmodel->brush.num_pvsclusterbytes);
+                               else
+                                       memset(r_refdef.viewcache.world_pvsbits, 0xFF, r_refdef.scene.worldmodel->brush.num_pvsclusterbytes);
+                       }
+
                        r_fb.water.hideplayer = ((r_water_hideplayer.integer >= 1) && !chase_active.integer);
 
                        r_refdef.view.clipplane = p->plane;
@@ -6782,7 +6793,7 @@ texture_t *R_GetCurrentTexture(texture_t *t)
 
        t->currentmaterialflags = t->basematerialflags;
        t->currentalpha = rsurface.entity->alpha * t->basealpha;
-       if (t->basematerialflags & MATERIALFLAG_WATERALPHA && (model->brush.supportwateralpha || r_novis.integer || r_trippy.integer))
+       if (t->basematerialflags & MATERIALFLAG_WATERALPHA && (model->brush.supportwateralpha || r_water.integer || r_novis.integer || r_trippy.integer))
                t->currentalpha *= r_wateralpha.value;
        if(t->basematerialflags & MATERIALFLAG_WATERSHADER && r_fb.water.enabled && !r_refdef.view.isoverlay)
                t->currentmaterialflags |= MATERIALFLAG_ALPHA | MATERIALFLAG_BLENDED | MATERIALFLAG_NOSHADOW; // we apply wateralpha later