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(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.

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peter1138
2006-08-09 21:11:45 +00:00
parent e0d8223355
commit 08ae2cf6e5
5 changed files with 43 additions and 0 deletions
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10
aircraft_cmd.c
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@@ -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);