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Diffstat (limited to 'industry_cmd.c')
-rw-r--r--industry_cmd.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/industry_cmd.c b/industry_cmd.c
index f0acc8310..961f44499 100644
--- a/industry_cmd.c
+++ b/industry_cmd.c
@@ -959,7 +959,7 @@ static void PlantFarmField(uint tile)
int type, type2;
if (_opt.landscape == LT_HILLY) {
- if (GetTileZ(tile) >= (_opt.snow_line - 16))
+ if (GetTileZ(tile) + 16 >= _opt.snow_line)
return;
}
@@ -1169,7 +1169,7 @@ static bool CheckNewIndustry_NULL(uint tile, int type)
static bool CheckNewIndustry_Forest(uint tile, int type)
{
if (_opt.landscape == LT_HILLY) {
- if (GetTileZ(tile) < (_opt.snow_line + 16) ) {
+ if (GetTileZ(tile) < _opt.snow_line + 16U) {
_error_message = STR_4831_FOREST_CAN_ONLY_BE_PLANTED;
return false;
}
@@ -1202,7 +1202,7 @@ static bool CheckNewIndustry_Oilwell(uint tile, int type)
static bool CheckNewIndustry_Farm(uint tile, int type)
{
if (_opt.landscape == LT_HILLY) {
- if (GetTileZ(tile) >= (_opt.snow_line - 16)) {
+ if (GetTileZ(tile) + 16 >= _opt.snow_line) {
_error_message = STR_0239_SITE_UNSUITABLE;
return false;
}