From 08ae2cf6e57628e1ca3b7c2c20f405001a497417 Mon Sep 17 00:00:00 2001 From: peter1138 Date: Wed, 9 Aug 2006 21:11:45 +0000 Subject: (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. --- aircraft_cmd.c | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'aircraft_cmd.c') diff --git a/aircraft_cmd.c b/aircraft_cmd.c index 3136865e5..4493940ed 100644 --- a/aircraft_cmd.c +++ b/aircraft_cmd.c @@ -22,6 +22,7 @@ #include "table/sprites.h" #include "newgrf_engine.h" #include "newgrf_callbacks.h" +#include "newgrf_text.h" static bool AirportMove(Vehicle *v, const AirportFTAClass *Airport); static bool AirportSetBlocks(Vehicle *v, AirportFTA *current_pos, const AirportFTAClass *Airport); @@ -420,6 +421,7 @@ static void DoDeleteAircraft(Vehicle *v) int32 CmdSellAircraft(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) { Vehicle *v; + uint16 callback; if (!IsVehicleIndex(p1)) return CMD_ERROR; @@ -430,6 +432,14 @@ int32 CmdSellAircraft(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) SET_EXPENSES_TYPE(EXPENSES_NEW_VEHICLES); + /* Check if this aircraft 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) { // Invalidate depot InvalidateWindow(WC_VEHICLE_DEPOT, v->tile); -- cgit v1.2.3-70-g09d2