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/* $Id$ */
#ifndef NEWGRF_ENGINE_H
#define NEWGRF_ENGINE_H
/** @file newgrf_engine.h
*/
VARDEF const uint32 _default_refitmasks[NUM_VEHICLE_TYPES];
VARDEF const CargoID _global_cargo_id[NUM_LANDSCAPE][NUM_CARGO];
VARDEF const uint32 _landscape_global_cargo_mask[NUM_LANDSCAPE];
VARDEF const CargoID _local_cargo_id_ctype[NUM_GLOBAL_CID];
VARDEF const uint32 cargo_classes[16];
void SetWagonOverrideSprites(EngineID engine, struct SpriteGroup *group, byte *train_id, int trains);
void SetCustomEngineSprites(EngineID engine, byte cargo, struct SpriteGroup *group);
// loaded is in percents, overriding_engine 0xffff is none
int GetCustomEngineSprite(EngineID engine, const Vehicle *v, byte direction);
uint16 GetCallBackResult(uint16 callback_info, EngineID engine, const Vehicle *v);
bool UsesWagonOverride(const Vehicle *v);
#define GetCustomVehicleSprite(v, direction) GetCustomEngineSprite(v->engine_type, v, direction)
#define GetCustomVehicleIcon(et, direction) GetCustomEngineSprite(et, NULL, direction)
typedef enum VehicleTrigger {
VEHICLE_TRIGGER_NEW_CARGO = 1,
// Externally triggered only for the first vehicle in chain
VEHICLE_TRIGGER_DEPOT = 2,
// Externally triggered only for the first vehicle in chain, only if whole chain is empty
VEHICLE_TRIGGER_EMPTY = 4,
// Not triggered externally (called for the whole chain if we got NEW_CARGO)
VEHICLE_TRIGGER_ANY_NEW_CARGO = 8,
} VehicleTrigger;
void TriggerVehicle(Vehicle *veh, VehicleTrigger trigger);
void SetCustomEngineName(EngineID engine, const char *name);
StringID GetCustomEngineName(EngineID engine);
void UnloadWagonOverrides(void);
void UnloadCustomEngineSprites(void);
void UnloadCustomEngineNames(void);
void ResetEngineListOrder(void);
EngineID GetRailVehAtPosition(EngineID pos);
void AlterRailVehListOrder(EngineID engine, EngineID target);
#endif /* NEWGRF_ENGINE_H */
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