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(svn r4911) -Fix (FS#156): The Ai no longer attempts to build signals under bridges.

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NOTE 1: Remove/revert this for the bridge branch
			   NOTE 2: Bug displays fundamental flaw in command system:
			           If two commands, where command 2 depends on command 1, have
			           to be checked, all those checks need to be manual.
			           (like in this example, first build rail then build signal.
			            BuildSignal cannot be checked without DC_EXEC as the rail
			            isn't there yet)
This commit is contained in:
celestar 2006-05-19 12:08:01 +00:00
parent cd6ab6178c
commit 486e207ea0
1 changed files with 3 additions and 2 deletions
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5
ai/default/default.c
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@ -1587,8 +1587,9 @@ clear_town_stuff:;
/* signals too? */
if (j & 3) {
// Can't build signals on a road.
if (IsTileType(c, MP_STREET)) return CMD_ERROR;
/* XXX - we need to check manually whether we can build a signal if DC_EXEC is
not set because the rail has not actually been built */
if (!IsTileType(c, MP_RAILWAY)) return CMD_ERROR;
if (flag & DC_EXEC) {
j = 4 - j;