- reinstated setuptile.

Apparently this is needed by some hires packs to fudge the sprite offsets.
Fortunately, setting sprite offsets is the only thing this was ever used for so it's relatively uninvasive.

source/build/src/defs.cpp

@@ -605,6 +605,50 @@ static int32_t defsparser(scriptfile *script)
 				TileFiles.LoadArtFile(fn, nullptr, tile);
         }
         break;
+        case T_SETUPTILE:
+        {
+            int tile, tmp;
+
+            if (scriptfile_getsymbol(script,&tile)) break;
+            if (check_tile("setuptile", tile, script, pos))
+                break;
+            auto& tiled = TileFiles.tiledata[tile];
+            if (scriptfile_getsymbol(script,&tmp)) break;  // XXX
+            tiled.h_xsize = tmp;
+            if (scriptfile_getsymbol(script,&tmp)) break;
+            tiled.h_ysize = tmp;
+            if (scriptfile_getsymbol(script,&tmp)) break;
+            tiled.h_xoffs = tmp;
+            if (scriptfile_getsymbol(script,&tmp)) break;
+            tiled.h_yoffs = tmp;
+            break;
+        }
+        case T_SETUPTILERANGE:
+        {
+            int tile1,tile2,xsiz,ysiz,xoffs,yoffs,i;
+
+            if (scriptfile_getsymbol(script,&tile1)) break;
+            if (scriptfile_getsymbol(script,&tile2)) break;
+            if (scriptfile_getnumber(script,&xsiz)) break;
+            if (scriptfile_getnumber(script,&ysiz)) break;
+            if (scriptfile_getsymbol(script,&xoffs)) break;
+            if (scriptfile_getsymbol(script,&yoffs)) break;
+
+            if (check_tile_range("setuptilerange", &tile1, &tile2, script, pos))
+                break;
+
+            for (i=tile1; i<=tile2; i++)
+            {
+                auto& tiled = TileFiles.tiledata[i];
+
+                tiled.h_xsize = xsiz;
+                tiled.h_ysize = ysiz;
+                tiled.h_xoffs = xoffs;
+                tiled.h_yoffs = yoffs;
+            }
+
+            break;
+        }
         case T_ANIMTILERANGE:
         {
             SetAnim set;

source/build/src/polymost.cpp

@@ -3053,8 +3053,9 @@ void polymost_drawsprite(int32_t snum)
 
     if ((globalorientation & 48) != 48)  // only non-voxel sprites should do this
     {
-        off = { (int32_t)tspr->xoffset + (tileLeftOffset(globalpicnum)),
-                (int32_t)tspr->yoffset + (tileTopOffset(globalpicnum)) };
+        int const flag = hw_hightile && TileFiles.tiledata[globalpicnum].h_xsize;
+        off = { (int32_t)tspr->xoffset + (flag ? TileFiles.tiledata[globalpicnum].h_xoffs : tileLeftOffset(globalpicnum)),
+                (int32_t)tspr->yoffset + (flag ? TileFiles.tiledata[globalpicnum].h_yoffs : tileTopOffset(globalpicnum)) };
     }
 
     int32_t method = DAMETH_MASK | DAMETH_CLAMPED;
@@ -3110,8 +3111,12 @@ void polymost_drawsprite(int32_t snum)
         pos.y -= (sintable[(tspr->ang) & 2047] >> 13);
     }
 
-    vec2_16_t const oldsiz = tilesiz[globalpicnum];
-    vec2_t tsiz = { oldsiz.x, oldsiz.y };
+    vec2_t tsiz;
+
+    if (hw_hightile && TileFiles.tiledata[globalpicnum].h_xsize)
+        tsiz = { TileFiles.tiledata[globalpicnum].h_xsize, TileFiles.tiledata[globalpicnum].h_ysize };
+    else 
+        tsiz = { tileWidth(globalpicnum), tileHeight(globalpicnum) };
 
     if (tsiz.x <= 0 || tsiz.y <= 0)
         return;

source/core/textures/buildtiles.cpp

@@ -140,6 +140,7 @@ void BuildTiles::Init()
 		tile.RotTile = { -1,-1 };
 		tile.replacement = ReplacementType::Art;
 		tile.alphaThreshold = 0.5;
+		tile.h_xsize = 0;
 	}
 
 }

source/core/textures/buildtiles.h

@@ -274,6 +274,11 @@ struct TileDesc
 	TArray<HightileReplacement> Hightiles;
 	ReplacementType replacement;
 	float alphaThreshold;
+
+	// Sprite offset hackery for hires replacements. This only gets used for sprites in the 3D view, nothing else.
+	uint16_t h_xsize, h_ysize;
+	int8_t h_xoffs, h_yoffs;
+
 };
 
 struct TexturePick