diff --git a/source/build/src/defs.cpp b/source/build/src/defs.cpp
index 50b74a38d..9780286a9 100644
--- a/source/build/src/defs.cpp
+++ b/source/build/src/defs.cpp
@@ -389,90 +389,20 @@ static int32_t defsparser(scriptfile *script)
             parseCopyTile(*script, pos);
             break;
         case T_IMPORTTILE:
-        {
-            int32_t tile;
-            FString fn;
-
-            if (scriptfile_getsymbol(script,&tile)) break;
-            if (scriptfile_getstring(script,&fn))  break;
-
-            if (check_tile("importtile", tile, script, pos))
-                break;
-
-            int32_t const texstatus = tileImportFromTexture(fn, tile, 255, 0);
-            if (texstatus < 0)
-                break;
-
-			picanm[tile] = {};
-
+            parseImportTile(*script, pos);
             break;
-        }
         case T_DUMMYTILE:
-        {
-            int32_t tile, xsiz, ysiz;
-
-            if (scriptfile_getsymbol(script,&tile)) break;
-            if (scriptfile_getsymbol(script,&xsiz)) break;
-            if (scriptfile_getsymbol(script,&ysiz)) break;
-
-            if (check_tile("dummytile", tile, script, pos))
-                break;
-
-			tileSetDummy(tile, xsiz, ysiz);
-
+            parseDummyTile(*script, pos);
             break;
-        }
         case T_DUMMYTILERANGE:
-        {
-            int32_t tile1,tile2,xsiz,ysiz,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 (check_tile_range("dummytilerange", &tile1, &tile2, script, pos))
-                break;
-
-            if (xsiz < 0 || ysiz < 0)
-                break;  // TODO: message
-
-            for (i=tile1; i<=tile2; i++)
-            {
-				tileSetDummy(i, xsiz, ysiz);
-            }
-
+            parseDummyTileRange(*script, pos);
             break;
-        }
-
         case T_UNDEFINETILE:
-        {
-            int32_t tile;
-
-            if (scriptfile_getsymbol(script,&tile)) break;
-
-            if (check_tile("undefinetile", tile, script, pos))
-                break;
-
-            tileDelete(tile);
-
+            parseUndefineTile(*script, pos);
             break;
-        }
         case T_UNDEFINETILERANGE:
-        {
-            int32_t tile1, tile2;
-
-            if (scriptfile_getsymbol(script,&tile1)) break;
-            if (scriptfile_getsymbol(script,&tile2)) break;
-
-            if (check_tile_range("undefinetilerange", &tile1, &tile2, script, pos))
-                break;
-
-            for (bssize_t i = tile1; i <= tile2; i++)
-                tileDelete(i);
-
+            parseUndefineTileRange(*script, pos);
             break;
-        }
 
         case T_DEFINEMODEL:
         {
diff --git a/source/core/mapinfo.cpp b/source/core/mapinfo.cpp
index 609081f7f..5cdd2ee1d 100644
--- a/source/core/mapinfo.cpp
+++ b/source/core/mapinfo.cpp
@@ -46,7 +46,7 @@ FString gVolumeSubtitles[MAXVOLUMES];
 int32_t gVolumeFlags[MAXVOLUMES];
 int gDefaultVolume = 0, gDefaultSkill = 1;
 
-MapRecord mapList[512];		// Due to how this gets used it needs to be static. EDuke defines 7 episode plus one spare episode with 64 potential levels each and relies on the static array which is freely accessible by scripts.
+MapRecord mapList[512];
 MapRecord *currentLevel;	// level that is currently played. (The real level, not what script hacks modfifying the current level index can pretend.)
 MapRecord* lastLevel;		// Same here, for the last level.
 unsigned int numUsedSlots;
diff --git a/source/core/parsefuncs.h b/source/core/parsefuncs.h
index a25527026..eedcf7fa4 100644
--- a/source/core/parsefuncs.h
+++ b/source/core/parsefuncs.h
@@ -317,6 +317,93 @@ void parseCopyTile(FScanner& sc, FScriptPosition& pos)
 //
 //===========================================================================
 
+void parseImportTile(FScanner& sc, FScriptPosition& pos)
+{
+	int tile;
+
+	if (!sc.GetNumber(tile, true)) return;
+	if (!sc.GetString())  return;
+	if (!ValidateTilenum("importtile", tile, pos)) return;
+
+	int texstatus = tileImportFromTexture(sc.String, tile, 255, 0);
+	if (texstatus >= 0) TileFiles.tiledata[tile].picanm = {};
+}
+
+//===========================================================================
+//
+//
+//
+//===========================================================================
+
+void parseDummyTile(FScanner& sc, FScriptPosition& pos)
+{
+	int tile, xsiz, ysiz;
+
+	if (!sc.GetNumber(tile, true)) return;
+	if (!sc.GetNumber(xsiz, true)) return;
+	if (!sc.GetNumber(ysiz, true)) return;
+	if (!ValidateTilenum("dummytile", tile, pos)) return;
+	tileSetDummy(tile, xsiz, ysiz);
+}
+
+//===========================================================================
+//
+//
+//
+//===========================================================================
+
+void parseDummyTileRange(FScanner& sc, FScriptPosition& pos)
+{
+	int tile1, tile2, xsiz, ysiz;
+
+	if (!sc.GetNumber(tile1, true)) return;
+	if (!sc.GetNumber(tile2, true)) return;
+	if (!sc.GetNumber(xsiz, true)) return;
+	if (!sc.GetNumber(ysiz, true)) return;
+	if (!ValidateTileRange("dummytilerange", tile1, tile2, pos)) return;
+	if (xsiz < 0 || ysiz < 0) return;
+
+	for (int i = tile1; i <= tile2; i++) tileSetDummy(i, xsiz, ysiz);
+}
+
+//===========================================================================
+//
+//
+//
+//===========================================================================
+
+void parseUndefineTile(FScanner& sc, FScriptPosition& pos)
+{
+	int tile;
+
+	if (!sc.GetNumber(tile, true)) return;
+	if (ValidateTilenum("undefinetile", tile, pos)) 
+		tileDelete(tile);
+}
+
+//===========================================================================
+//
+//
+//
+//===========================================================================
+
+void parseUndefineTileRange(FScanner& sc, FScriptPosition& pos)
+{
+	int tile1, tile2;
+
+	if (!sc.GetNumber(tile1, true)) return;
+	if (!sc.GetNumber(tile2, true)) return;
+	if (!ValidateTileRange("undefinetilerange", tile1, tile2, pos)) return;
+
+	for (int i = tile1; i <= tile2; i++) tileDelete(i);
+}
+
+//===========================================================================
+//
+//
+//
+//===========================================================================
+
 void parseDefineSkybox(FScanner& sc, FScriptPosition& pos)
 {
 	int tile, palette;