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

source/build/src/polymost.cpp

@@ -22,6 +22,7 @@ Ken Silverman's official web site: http://www.advsys.net/ken
 #include "texturemanager.h"
 #include "hw_renderstate.h"
 #include "printf.h"
+#include "gamestruct.h"
 
 int checkTranslucentReplacement(FTextureID picnum, int pal);
 
@@ -2201,6 +2202,7 @@ 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(z, sectnum))
                         break;

source/core/gamestruct.h

@@ -101,6 +101,7 @@ struct GameInterface
 	virtual int chaseCamX(binangle ang) { return 0; }
 	virtual int chaseCamY(binangle ang) { return 0; }
 	virtual int chaseCamZ(fixedhoriz horiz) { return 0; }
+	virtual bool Voxelize(int sprnum) { return false; }
 
 	virtual FString statFPS()
 	{

source/games/sw/src/game.cpp

@@ -801,4 +801,9 @@ void GameInterface::FreeLevelData()
     ::GameInterface::FreeLevelData();
 }
 
+bool GameInterface::Voxelize(int sprnum) 
+{ 
+    return (aVoxelArray[sprnum].Voxel >= 0);
+}
+
 END_SW_NS

source/games/sw/src/game.h

@@ -2255,6 +2255,7 @@ struct GameInterface : ::GameInterface
     int chaseCamX(binangle ang) { return -ang.bcos(-3); }
     int chaseCamY(binangle ang) { return -ang.bsin(-3); }
     int chaseCamZ(fixedhoriz horiz) { return horiz.asq16() >> 8; }
+    bool Voxelize(int sprnum);
 
 
     GameStats getStats() override;