diff -r 03b615d3c6e1 -r 1940e937fc08 hedgewars/uLandGraphics.pas
--- a/hedgewars/uLandGraphics.pas	Thu Jun 12 14:42:48 2014 +0200
+++ b/hedgewars/uLandGraphics.pas	Thu Jun 12 15:17:53 2014 +0200
@@ -48,8 +48,8 @@
 procedure DumpLandToLog(x, y, r: LongInt);
 procedure DrawIceBreak(x, y, iceRadius, iceHeight: Longint);
 function TryPlaceOnLand(cpX, cpY: LongInt; Obj: TSprite; Frame: LongInt; doPlace, indestructible: boolean): boolean; inline;
-function TryPlaceOnLand(cpX, cpY: LongInt; Obj: TSprite; Frame: LongInt; doPlace, indestructible: boolean; LandFlags: Word): boolean;
-function TryPlaceOnLand(cpX, cpY: LongInt; Obj: TSprite; Frame: LongInt; doPlace, indestructible, outOfMap: boolean; LandFlags: Word): boolean;
+function TryPlaceOnLand(cpX, cpY: LongInt; Obj: TSprite; Frame: LongInt; doPlace: boolean; LandFlags: Word): boolean;
+function TryPlaceOnLand(cpX, cpY: LongInt; Obj: TSprite; Frame: LongInt; doPlace, outOfMap: boolean; LandFlags: Word): boolean;
 function GetPlaceCollisionTex(cpX, cpY: LongInt; Obj: TSprite; Frame: LongInt): PTexture;
 
 implementation
@@ -607,23 +607,32 @@
 end;
 
 function TryPlaceOnLand(cpX, cpY: LongInt; Obj: TSprite; Frame: LongInt; doPlace, indestructible: boolean): boolean; inline;
+var lf: LongWord;
 begin
-TryPlaceOnLand:= TryPlaceOnLand(cpX, cpY, Obj, Frame, doPlace, indestructible, false, 0);
+if indestructible then
+    lf:= lfIndestructible
+else
+    lf:= 0;
+TryPlaceOnLand:= TryPlaceOnLand(cpX, cpY, Obj, Frame, doPlace, false, lf);
 end;
 
-function TryPlaceOnLand(cpX, cpY: LongInt; Obj: TSprite; Frame: LongInt; doPlace, indestructible: boolean; LandFlags: Word): boolean;
+function TryPlaceOnLand(cpX, cpY: LongInt; Obj: TSprite; Frame: LongInt; doPlace: boolean; LandFlags: Word): boolean;
 begin
-TryPlaceOnLand:= TryPlaceOnLand(cpX, cpY, Obj, Frame, doPlace, indestructible, false, LandFlags);
+TryPlaceOnLand:= TryPlaceOnLand(cpX, cpY, Obj, Frame, doPlace, false, LandFlags);
 end;
 
-function TryPlaceOnLand(cpX, cpY: LongInt; Obj: TSprite; Frame: LongInt; doPlace, indestructible, outOfMap: boolean; LandFlags: Word): boolean;
+function TryPlaceOnLand(cpX, cpY: LongInt; Obj: TSprite; Frame: LongInt; doPlace, outOfMap: boolean; LandFlags: Word): boolean;
 var X, Y, bpp, h, w, row, col, gx, gy, numFramesFirstCol: LongInt;
     p: PByteArray;
     Image: PSDL_Surface;
+    indestructible: boolean;
 begin
 TryPlaceOnLand:= false;
 numFramesFirstCol:= SpritesData[Obj].imageHeight div SpritesData[Obj].Height;
 
+// make land indestructible if lfIndestructible is passed
+indestructible:= (LandFlags and lfIndestructible <> 0);
+
 if outOfMap then doPlace:= false; // just using for a check
 
 TryDo(SpritesData[Obj].Surface <> nil, 'Assert SpritesData[Obj].Surface failed', true);