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authorfrosch <frosch@openttd.org>2010-04-14 19:56:29 +0000
committerfrosch <frosch@openttd.org>2010-04-14 19:56:29 +0000
commita929ab0c24826e80e01c59fe57b4c6087d59301c (patch)
tree3c9d19166333fb14cc7957a4dc1702af3632b886 /src
parent22f864b0c04384c9b3acae3a57108920d2f1d9a3 (diff)
downloadopenttd-a929ab0c24826e80e01c59fe57b4c6087d59301c.tar.xz
(svn r19633) -Fix (r11759): Signed computations with unsigned integers.
Diffstat (limited to 'src')
-rw-r--r--src/terraform_cmd.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/terraform_cmd.cpp b/src/terraform_cmd.cpp
index b98dc233d..2c45bcc45 100644
--- a/src/terraform_cmd.cpp
+++ b/src/terraform_cmd.cpp
@@ -372,7 +372,7 @@ CommandCost CmdLevelLand(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32
uint oldh = TileHeight(p1);
/* compute new height */
- uint h = oldh + p2;
+ uint h = oldh + (int8)p2;
/* Check range of destination height */
if (h > MAX_TILE_HEIGHT) return_cmd_error((oldh == 0) ? STR_ERROR_ALREADY_AT_SEA_LEVEL : STR_ERROR_TOO_HIGH);