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| author | peter1138 <peter1138@openttd.org> | 2006-08-09 21:11:45 +0000 |
|---|---|---|
| committer | peter1138 <peter1138@openttd.org> | 2006-08-09 21:11:45 +0000 |
| commit | 08ae2cf6e57628e1ca3b7c2c20f405001a497417 (patch) | |
| tree | bf0463cbcfcf45f33986574818350054e36d87c7 /ship_cmd.c | |
| parent | e0d82233553a0b808a0353412716c5b8887d2cab (diff) | |
| download | openttd-08ae2cf6e57628e1ca3b7c2c20f405001a497417.tar.xz | |
(svn r5822) - NewGRF: add support for callback 31, vehicle start/stop check. This allows a set to disallow a vehicle from being started, i.e. to not be able to leave the depot. This is almost a partner to callback 1D.
Diffstat (limited to 'ship_cmd.c')
| -rw-r--r-- | ship_cmd.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/ship_cmd.c b/ship_cmd.c index a47882f11..7b5737559 100644 --- a/ship_cmd.c +++ b/ship_cmd.c @@ -24,6 +24,7 @@ #include "yapf/yapf.h" #include "debug.h" #include "newgrf_callbacks.h" +#include "newgrf_text.h" static const uint16 _ship_sprites[] = {0x0E5D, 0x0E55, 0x0E65, 0x0E6D}; static const byte _ship_sometracks[4] = {0x19, 0x16, 0x25, 0x2A}; @@ -958,6 +959,7 @@ int32 CmdSellShip(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) int32 CmdStartStopShip(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) { Vehicle *v; + uint16 callback; if (!IsVehicleIndex(p1)) return CMD_ERROR; @@ -965,6 +967,14 @@ int32 CmdStartStopShip(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) if (v->type != VEH_Ship || !CheckOwnership(v->owner)) return CMD_ERROR; + /* Check if this ship can be started/stopped. The callback will fail or + * return 0xFF if it can. */ + callback = GetVehicleCallback(CBID_VEHICLE_START_STOP_CHECK, 0, 0, v->engine_type, v); + if (callback != CALLBACK_FAILED && callback != 0xFF) { + StringID error = GetGRFStringID(GetEngineGRFID(v->engine_type), 0xD000 + callback); + return_cmd_error(error); + } + if (flags & DC_EXEC) { if (IsShipInDepotStopped(v)) { DeleteVehicleNews(p1, STR_981C_SHIP_IS_WAITING_IN_DEPOT); |