(svn r1345) Only copy the lowest two bits (amount of snow/desert) from map5 to map2 when placing trees, before this happened implicitly because map2 was just 8 bits wide
--- a/tree_cmd.c Mon Jan 03 18:59:58 2005 +0000
+++ b/tree_cmd.c Mon Jan 03 19:06:16 2005 +0000
@@ -521,7 +521,7 @@
if ( (_map5[tile] & 0x1C) == 4) {
_map2[tile] = 0x10;
} else if ((_map5[tile] & 0x1C) == 16) {
- _map2[tile] = (_map5[tile] << 6) | 0x20;
+ _map2[tile] = ((_map5[tile] & 3) << 6) | 0x20;
} else {
if ((_map5[tile] & 0x1F) != 3)
return;