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authortron <tron@openttd.org>2005-04-12 10:31:26 +0000
committertron <tron@openttd.org>2005-04-12 10:31:26 +0000
commit02f581891243a9f16562f48a3a5ea544f0df94a1 (patch)
treebe6e75493ba88f6d4885bd8228137a4c769d583f
parent277d9d237b4cf1f18bfffa7899e63fbdf296c80d (diff)
downloadopenttd-02f581891243a9f16562f48a3a5ea544f0df94a1.tar.xz
(svn r2189) Introduce and use IsCompatibleTrainStationTile()
This should prevent trains, which are longer than the station, to turn around without stopping under certain circumstances and fix speed limit for trains entering a station, when realistic accerlation is used
-rw-r--r--station.h9
-rw-r--r--station_cmd.c2
-rw-r--r--train_cmd.c2
3 files changed, 11 insertions, 2 deletions
diff --git a/station.h b/station.h
index f76eda227..2ac2e5403 100644
--- a/station.h
+++ b/station.h
@@ -276,6 +276,15 @@ static inline bool IsTrainStationTile(uint tile) {
return IsTileType(tile, MP_STATION) && IS_BYTE_INSIDE(_map5[tile], 0, 8);
}
+static inline bool IsCompatibleTrainStationTile(TileIndex tile, TileIndex ref)
+{
+ assert(IsTrainStationTile(ref));
+ return
+ IsTrainStationTile(tile) &&
+ (_map3_lo[tile] & 0x0F) == (_map3_lo[ref] & 0x0F) && // same rail type?
+ (_map5[tile] & 0x01) == (_map5[ref] & 0x01); // same direction?
+}
+
static inline bool IsRoadStationTile(uint tile) {
return IsTileType(tile, MP_STATION) && IS_BYTE_INSIDE(_map5[tile], 0x43, 0x4B);
}
diff --git a/station_cmd.c b/station_cmd.c
index e6f65385c..aac4b928a 100644
--- a/station_cmd.c
+++ b/station_cmd.c
@@ -2322,7 +2322,7 @@ static uint32 VehicleEnter_Station(Vehicle *v, uint tile, int x, int y)
if (v->type == VEH_Train) {
if (IS_BYTE_INSIDE(_map5[tile], 0, 8) && v->subtype == TS_Front_Engine &&
- !IsTrainStationTile(tile + TileOffsByDir(v->direction >> 1))) {
+ !IsCompatibleTrainStationTile(tile + TileOffsByDir(v->direction >> 1), tile)) {
station_id = _map2[tile];
if ((!(v->current_order.flags & OF_NON_STOP) && !_patches.new_nonstop) ||
diff --git a/train_cmd.c b/train_cmd.c
index c2aa26eaa..b10090732 100644
--- a/train_cmd.c
+++ b/train_cmd.c
@@ -154,7 +154,7 @@ static int GetTrainAcceleration(Vehicle *v, bool mode)
do {
station_length++;
tile = TILE_ADD(tile, TileOffsByDir(v->direction / 2));
- } while (IsTrainStationTile(tile) && (_map5[tile] & 1) == (_map5[v->tile] & 1));
+ } while (IsCompatibleTrainStationTile(tile, v->tile));
delta_v = v->cur_speed / (station_length + 1);
if (v->max_speed > (v->cur_speed - delta_v))