From 509d533c51462f0eb5321747a8594e524415b52a Mon Sep 17 00:00:00 2001
From: yexo <yexo@openttd.org>
Date: Wed, 6 Jan 2010 09:08:43 +0000
Subject: (svn r18739) -Fix (r18719): building trees on snow with rocks
 underneed caused an assert

---
 src/tree_cmd.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/tree_cmd.cpp b/src/tree_cmd.cpp
index 2d0d5582d..800cc73c5 100644
--- a/src/tree_cmd.cpp
+++ b/src/tree_cmd.cpp
@@ -382,7 +382,7 @@ CommandCost CmdPlantTree(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32
 
 				if (IsTileType(tile, MP_CLEAR)) {
 					/* Remove fields or rocks. Note that the ground will get barrened */
-					switch (GetClearGround(tile)) {
+					switch (GetRawClearGround(tile)) {
 						case CLEAR_FIELDS:
 						case CLEAR_ROCKS: {
 							CommandCost ret = DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
-- 
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