- added a check for game-side-defined voxels when discarding one-sided wall sprites viewed from the back.

source/build/src/polymost.cpp

@@ -24,6 +24,7 @@ Ken Silverman's official web site: http://www.advsys.net/ken
 #include "printf.h"
 #include "gamefuncs.h"
 #include "hw_drawinfo.h"
+#include "gamestruct.h"
 
 
 typedef struct {
@@ -1915,6 +1916,7 @@ void polymost_scansector(int32_t sectnum)
             {
                 if ((spr->cstat&(64+48))!=(64+16) ||
                     (r_voxels && tiletovox[spr->picnum] >= 0 && voxmodels[tiletovox[spr->picnum]]) ||
+                    (r_voxels && gi->Voxelize(spr->picnum)) ||
                     DMulScale(bcos(spr->ang), -s.x, bsin(spr->ang), -s.y, 6) > 0)
                     if (renderAddTsprite(pm_tsprite, pm_spritesortcnt, z, sectnum))
                         break;

source/core/gamestruct.h

@@ -121,6 +121,7 @@ struct GameInterface
 	virtual void EnterPortal(spritetype* viewer, int type) {}
 	virtual void LeavePortal(spritetype* viewer, int type) {}
 	virtual bool GetGeoEffect(GeoEffect* eff, int viewsector) { return false; }
+	virtual bool Voxelize(int sprnum) { return false; }
 
 	virtual FString statFPS()
 	{

source/games/sw/src/game.cpp

@@ -802,4 +802,9 @@ void GameInterface::FreeLevelData()
     ::GameInterface::FreeLevelData();
 }
 
+bool GameInterface::Voxelize(int sprnum) 
+{ 
+    return (aVoxelArray[sprnum].Voxel >= 0);
+}
+
 END_SW_NS

source/games/sw/src/game.h

@@ -2246,6 +2246,7 @@ struct GameInterface : ::GameInterface
     void UpdateCameras(double smoothratio) override;
     void EnterPortal(spritetype* viewer, int type) override;
     void LeavePortal(spritetype* viewer, int type) override;
+    bool Voxelize(int sprnum);
 
 
     GameStats getStats() override;