author | peter1138 |
Sun, 03 Aug 2008 17:35:08 +0000 | |
changeset 9834 | 7474149531c1 |
parent 9111 | 48ce04029fe4 |
permissions | -rw-r--r-- |
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/* $Id$ */ |
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/** @file newgrf_house.h Functions related to NewGRF houses. */ |
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#ifndef NEWGRF_HOUSE_H |
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#define NEWGRF_HOUSE_H |
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#include "town_type.h" |
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#include "newgrf_callbacks.h" |
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/** |
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* Makes class IDs unique to each GRF file. |
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* Houses can be assigned class IDs which are only comparable within the GRF |
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* file they were defined in. This mapping ensures that if two houses have the |
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* same class as defined by the GRF file, the classes are different within the |
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* game. An array of HouseClassMapping structs is created, and the array index |
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* of the struct that matches both the GRF ID and the class ID is the class ID |
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* used in the game. |
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* |
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* Although similar to the HouseIDMapping struct above, this serves a different |
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* purpose. Since the class ID is not saved anywhere, this mapping does not |
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* need to be persistent; it just needs to keep class ids unique. |
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*/ |
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struct HouseClassMapping { |
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uint32 grfid; ////< The GRF ID of the file this class belongs to |
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uint8 class_id; ////< The class id within the grf file |
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}; |
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void UpdateHousesAndTowns(); |
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HouseClassID AllocateHouseClassID(byte grf_class_id, uint32 grfid); |
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void InitializeBuildingCounts(); |
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void IncreaseBuildingCount(Town *t, HouseID house_id); |
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void DecreaseBuildingCount(Town *t, HouseID house_id); |
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void DrawNewHouseTile(TileInfo *ti, HouseID house_id); |
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void AnimateNewHouseTile(TileIndex tile); |
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void ChangeHouseAnimationFrame(const struct GRFFile *file, TileIndex tile, uint16 callback_result); |
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uint16 GetHouseCallback(CallbackID callback, uint32 param1, uint32 param2, HouseID house_id, Town *town, TileIndex tile); |
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bool CanDeleteHouse(TileIndex tile); |
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bool NewHouseTileLoop(TileIndex tile); |
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enum HouseTrigger { |
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/* The tile of the house has been triggered during the tileloop. */ |
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HOUSE_TRIGGER_TILE_LOOP = 0x01, |
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/* |
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* The top tile of a (multitile) building has been triggered during and all |
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* the tileloop other tiles of the same building get the same random value. |
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*/ |
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HOUSE_TRIGGER_TILE_LOOP_TOP = 0x02, |
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}; |
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void TriggerHouse(TileIndex t, HouseTrigger trigger); |
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#endif /* NEWGRF_HOUSE_H */ |