74 lines
2.6 KiB
C
74 lines
2.6 KiB
C
/* $Id$ */
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#ifndef NEWGRF_ENGINE_H
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#define NEWGRF_ENGINE_H
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/** @file newgrf_engine.h
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*/
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// This enum lists the implemented callbacks
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// Use as argument for the GetCallBackResult function (see comments there)
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enum CallbackID {
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// Powered wagons, if the result is lower as 0x40 then the wagon is powered
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// TODO: interpret the rest of the result, aka "visual effects"
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CBID_WAGON_POWER = 0x10,
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// Vehicle length, returns the amount of 1/8's the vehicle is shorter
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// only for train vehicles
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CBID_VEH_LENGTH = 0x11,
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// Refit capacity, the passed vehicle needs to have its ->cargo_type set to
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// the cargo we are refitting to, returns the new cargo capacity
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CBID_REFIT_CAP = 0x15,
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CBID_ARTIC_ENGINE = 0x16,
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};
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// bit positions for rvi->callbackmask, indicates which callbacks are used by an engine
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// (some callbacks are always used, and dont appear here)
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enum CallbackMask {
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CBM_WAGON_POWER = 0,
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CBM_VEH_LENGTH = 1,
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CBM_REFIT_CAP = 3,
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CBM_ARTIC_ENGINE = 4,
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};
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enum {
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CALLBACK_FAILED = 0xFFFF
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};
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VARDEF const uint32 _default_refitmasks[NUM_VEHICLE_TYPES];
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VARDEF const CargoID _global_cargo_id[NUM_LANDSCAPE][NUM_CARGO];
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VARDEF const uint32 _landscape_global_cargo_mask[NUM_LANDSCAPE];
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VARDEF const CargoID _local_cargo_id_ctype[NUM_GLOBAL_CID];
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VARDEF const uint32 cargo_classes[16];
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void SetWagonOverrideSprites(EngineID engine, struct SpriteGroup *group, byte *train_id, int trains);
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void SetCustomEngineSprites(EngineID engine, byte cargo, struct SpriteGroup *group);
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// loaded is in percents, overriding_engine 0xffff is none
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int GetCustomEngineSprite(EngineID engine, const Vehicle *v, byte direction);
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uint16 GetCallBackResult(uint16 callback_info, EngineID engine, const Vehicle *v);
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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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typedef 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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} VehicleTrigger;
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void TriggerVehicle(Vehicle *veh, VehicleTrigger trigger);
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void SetCustomEngineName(EngineID engine, const char *name);
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StringID GetCustomEngineName(EngineID engine);
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void UnloadWagonOverrides(void);
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void UnloadCustomEngineSprites(void);
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void UnloadCustomEngineNames(void);
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#endif /* NEWGRF_ENGINE_H */
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