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(svn r1727) - Fix: now CmdBuildRailVehicle() behaves correctly if DC_EXEC is set 

this commit alters ai.c a little to get rid of the workaround from r1725 so AI players could still build locomotives
This commit is contained in:
bjarni 2005-01-30 13:03:32 +00:00
parent cc7f7220c0
commit 5987455d35
2 changed files with 6 additions and 8 deletions
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8
ai.c
View File

@ -116,7 +116,7 @@ static void AiStateVehLoop(Player *p)
p->ai.state_counter = 0;
}
static int AiChooseTrainToBuild(byte railtype, int32 money, byte flag)
static int AiChooseTrainToBuild(byte railtype, int32 money, byte flag, TileIndex tile)
{
int best_veh_index = -1;
byte best_veh_score = 0;
@ -131,7 +131,7 @@ static int AiChooseTrainToBuild(byte railtype, int32 money, byte flag)
|| !HASBIT(e->player_avail, _current_player) || e->reliability < 0x8A3D)
continue;
r = DoCommandByTile(0, i, 0, 0, CMD_BUILD_RAIL_VEHICLE);
r = DoCommandByTile(tile, i, 0, 0, CMD_BUILD_RAIL_VEHICLE);
if (r != CMD_ERROR &&
(!(_cmd_build_rail_veh_var1&1) || !(flag&1)) &&
r <= money &&
@ -238,7 +238,7 @@ static int AiChooseTrainToReplaceWith(Player *p, Vehicle *v)
}
// XXX: check if a wagon
return AiChooseTrainToBuild(v->u.rail.railtype, avail_money, 0);
return AiChooseTrainToBuild(v->u.rail.railtype, avail_money, 0, v->tile);
}
static int AiChooseShipToReplaceWith(Player *p, Vehicle *v)
@ -2393,7 +2393,7 @@ static void AiStateBuildRailVeh(Player *p)
}
// Which locomotive to build?
veh = AiChooseTrainToBuild(p->ai.railtype_to_use, p->player_money, (cargo!=CT_PASSENGERS)?1:0);
veh = AiChooseTrainToBuild(p->ai.railtype_to_use, p->player_money, (cargo!=CT_PASSENGERS)?1:0, tile);
if (veh == -1) {
handle_nocash:
// after a while, if AI still doesn't have cash, get out of this block by selling the wagons.

6
train_cmd.c
View File

@ -528,11 +528,9 @@ int32 CmdBuildRailVehicle(int x, int y, uint32 flags, uint32 p1, uint32 p2)
if (!IsEngineBuildable(p1, VEH_Train)) return CMD_ERROR;
/* NOTE: The AI sends build engine commands without DC_EXEC to figure out if
it can affort an engine before trying to buy it*/
if (!IsTrainDepotTile((TileIndex)tile) && flags & DC_EXEC) return CMD_ERROR;
if (!IsTrainDepotTile((TileIndex)tile)) return CMD_ERROR;
if (_map_owner[tile] != _current_player && flags & DC_EXEC) return CMD_ERROR;
if (_map_owner[tile] != _current_player) return CMD_ERROR;
_cmd_build_rail_veh_var1 = 0;