diff -r 53342ce3f0a6 -r af14c418c92f hedgewars/uLandGraphics.pas
--- a/hedgewars/uLandGraphics.pas	Sat Jun 15 01:18:40 2019 +0200
+++ b/hedgewars/uLandGraphics.pas	Sat Jun 15 02:50:51 2019 +0200
@@ -51,6 +51,7 @@
 function TryPlaceOnLand(cpX, cpY: LongInt; Obj: TSprite; Frame: LongInt; doPlace: boolean; LandFlags: Word): boolean; inline;
 function ForcePlaceOnLand(cpX, cpY: LongInt; Obj: TSprite; Frame: LongInt; LandFlags: Word; Tint: LongWord; Behind, flipHoriz, flipVert: boolean): boolean; inline;
 function TryPlaceOnLand(cpX, cpY: LongInt; Obj: TSprite; Frame: LongInt; doPlace, outOfMap, force, behind, flipHoriz, flipVert: boolean; LandFlags: Word; Tint: LongWord): boolean;
+procedure EraseLandRectRaw(X, Y, width, height: LongWord);
 procedure EraseLand(cpX, cpY: LongInt; Obj: TSprite; Frame: LongInt; LandFlags: Word; eraseOnLFMatch, onlyEraseLF, flipHoriz, flipVert: boolean);
 function GetPlaceCollisionTex(cpX, cpY: LongInt; Obj: TSprite; Frame: LongInt): PTexture;
 
@@ -840,6 +841,17 @@
 
 end;
 
+procedure EraseLandRectRaw(X, Y, width, height: LongWord);
+var tx, ty: LongWord;
+begin
+for ty:= 0 to height - 1 do
+    for tx:= 0 to width - 1 do
+        begin
+        LandPixels[ty, tx]:= 0;
+        Land[Y + ty, X + tx]:= 0;
+        end;
+end;
+
 procedure EraseLand(cpX, cpY: LongInt; Obj: TSprite; Frame: LongInt; LandFlags: Word; eraseOnLFMatch, onlyEraseLF, flipHoriz, flipVert: boolean);
 var X, Y, bpp, h, w, row, col, gx, gy, numFramesFirstCol: LongInt;
     p: PByteArray;