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/* $Id$ */
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#ifndef NEWGRF_ENGINE_H
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#define NEWGRF_ENGINE_H
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#include "newgrf.h"
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#include "direction.h"
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#include "newgrf_cargo.h"
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/** @file newgrf_engine.h
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*/
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extern int _traininfo_vehicle_pitch;
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extern int _traininfo_vehicle_width;
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void SetWagonOverrideSprites(EngineID engine, CargoID cargo, const struct SpriteGroup *group, byte *train_id, int trains);
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void SetCustomEngineSprites(EngineID engine, byte cargo, const struct SpriteGroup *group);
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void SetRotorOverrideSprites(EngineID engine, const struct SpriteGroup *group);
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SpriteID GetCustomEngineSprite(EngineID engine, const Vehicle* v, Direction direction);
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SpriteID GetRotorOverrideSprite(EngineID engine, const Vehicle* v, bool info_view);
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#define GetCustomRotorSprite(v, i) GetRotorOverrideSprite(v->engine_type, v, i)
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#define GetCustomRotorIcon(et) GetRotorOverrideSprite(et, NULL, true)
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/* Forward declaration of GRFFile, to avoid unnecessary inclusion of newgrf.h
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* elsewhere... */
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struct GRFFile;
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void SetEngineGRF(EngineID engine, const struct GRFFile *file);
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const struct GRFFile *GetEngineGRF(EngineID engine);
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uint32 GetEngineGRFID(EngineID engine);
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uint16 GetVehicleCallback(uint16 callback, uint32 param1, uint32 param2, EngineID engine, const Vehicle *v);
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uint16 GetVehicleCallbackParent(uint16 callback, uint32 param1, uint32 param2, EngineID engine, const Vehicle *v, const Vehicle *parent);
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bool UsesWagonOverride(const Vehicle *v);
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#define GetCustomVehicleSprite(v, direction) GetCustomEngineSprite(v->engine_type, v, direction)
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#define GetCustomVehicleIcon(et, direction) GetCustomEngineSprite(et, NULL, direction)
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enum VehicleTrigger {
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VEHICLE_TRIGGER_NEW_CARGO = 1,
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// Externally triggered only for the first vehicle in chain
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VEHICLE_TRIGGER_DEPOT = 2,
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// Externally triggered only for the first vehicle in chain, only if whole chain is empty
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VEHICLE_TRIGGER_EMPTY = 4,
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// Not triggered externally (called for the whole chain if we got NEW_CARGO)
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VEHICLE_TRIGGER_ANY_NEW_CARGO = 8,
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};
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void TriggerVehicle(Vehicle *veh, VehicleTrigger trigger);
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void SetCustomEngineName(EngineID engine, StringID name);
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StringID GetCustomEngineName(EngineID engine);
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void UnloadWagonOverrides();
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void UnloadRotorOverrideSprites();
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void UnloadCustomEngineSprites();
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void UnloadCustomEngineNames();
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void ResetEngineListOrder();
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EngineID GetRailVehAtPosition(EngineID pos);
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uint16 ListPositionOfEngine(EngineID engine);
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void AlterRailVehListOrder(EngineID engine, EngineID target);
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#endif /* NEWGRF_ENGINE_H */
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