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/* $Id$ */

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/** @file industry_map.h Accessors for industries */

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#ifndef INDUSTRY_MAP_H

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#define INDUSTRY_MAP_H

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#include "industry.h"

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/**

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 * The following enums are indices used to know what to draw for this industry tile.

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 * They all are pointing toward array _industry_draw_tile_data, in table/industry_land.h

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 * How to calculate the correct position ? GFXid << 2 | IndustryStage (0 to 3)

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 */

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enum {

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	GFX_COAL_MINE_TOWER_NOT_ANIMATED   =   0,

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	GFX_COAL_MINE_TOWER_ANIMATED       =   1,

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	GFX_POWERPLANT_CHIMNEY             =   8,

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	GFX_POWERPLANT_SPARKS              =  10,

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	GFX_OILRIG_1                       =  24,

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	GFX_OILRIG_2                       =  25,

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	GFX_OILRIG_3                       =  26,

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	GFX_OILRIG_4                       =  27,

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	GFX_OILRIG_5                       =  28,

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	GFX_OILWELL_NOT_ANIMATED           =  29,

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	GFX_OILWELL_ANIMATED_1             =  30,

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	GFX_OILWELL_ANIMATED_2             =  31,

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	GFX_OILWELL_ANIMATED_3             =  32,

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	GFX_COPPER_MINE_TOWER_NOT_ANIMATED =  47,

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	GFX_COPPER_MINE_TOWER_ANIMATED     =  48,

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	GFX_COPPER_MINE_CHIMNEY            =  49,

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	GFX_GOLD_MINE_TOWER_NOT_ANIMATED   =  79,

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	GFX_GOLD_MINE_TOWER_ANIMATED       =  88,

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	GFX_TOY_FACTORY                    = 143,

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	GFX_PLASTIC_FOUNTAIN_ANIMATED_1    = 148,

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	GFX_PLASTIC_FOUNTAIN_ANIMATED_2    = 149,

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	GFX_PLASTIC_FOUNTAIN_ANIMATED_3    = 150,

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	GFX_PLASTIC_FOUNTAIN_ANIMATED_4    = 151,

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	GFX_PLASTIC_FOUNTAIN_ANIMATED_5    = 152,

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	GFX_PLASTIC_FOUNTAIN_ANIMATED_6    = 153,

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	GFX_PLASTIC_FOUNTAIN_ANIMATED_7    = 154,

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	GFX_PLASTIC_FOUNTAIN_ANIMATED_8    = 155,

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	GFX_BUBBLE_GENERATOR               = 161,

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	GFX_BUBBLE_CATCHER                 = 162,

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	GFX_TOFFEE_QUARY                   = 165,

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	GFX_SUGAR_MINE_SIEVE               = 174,

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	GFX_WATERTILE_SPECIALCHECK         = 255,  ///< not really a tile, but rather a very special check

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};

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/**

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 * Get the industry ID of the given tile

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 * @param t the tile to get the industry ID from

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 * @pre IsTileType(t, MP_INDUSTRY)

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 * @return the industry ID

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 */

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static inline IndustryID GetIndustryIndex(TileIndex t)

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{

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	assert(IsTileType(t, MP_INDUSTRY));

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	return _m[t].m2;

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}

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/**

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 * Get the industry of the given tile

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 * @param t the tile to get the industry from

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 * @pre IsTileType(t, MP_INDUSTRY)

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 * @return the industry

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 */

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static inline Industry *GetIndustryByTile(TileIndex t)

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{

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	return GetIndustry(GetIndustryIndex(t));

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}

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/**

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 * Is this industry tile fully built?

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 * @param t the tile to analyze

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 * @pre IsTileType(t, MP_INDUSTRY)

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 * @return true if and only if the industry tile is fully built

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 */

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static inline bool IsIndustryCompleted(TileIndex t)

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{

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	assert(IsTileType(t, MP_INDUSTRY));

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	return HasBit(_m[t].m1, 7);

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}

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IndustryType GetIndustryType(TileIndex tile);

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/**

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 * Set if the industry that owns the tile as under construction or not

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 * @param tile the tile to query

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 * @param isCompleted whether it is completed or not

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 * @pre IsTileType(tile, MP_INDUSTRY)

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 */

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static inline void SetIndustryCompleted(TileIndex tile, bool isCompleted)

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{

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	assert(IsTileType(tile, MP_INDUSTRY));

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	SB(_m[tile].m1, 7, 1, isCompleted ? 1 :0);

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}

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/**

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 * Returns the industry construction stage of the specified tile

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 * @param tile the tile to query

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 * @pre IsTileType(tile, MP_INDUSTRY)

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 * @return the construction stage

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 */

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static inline byte GetIndustryConstructionStage(TileIndex tile)

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{

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	assert(IsTileType(tile, MP_INDUSTRY));

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	return IsIndustryCompleted(tile) ? (byte)INDUSTRY_COMPLETED : GB(_m[tile].m1, 0, 2);

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}

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/**

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 * Sets the industry construction stage of the specified tile

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 * @param tile the tile to query

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 * @param value the new construction stage

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 * @pre IsTileType(tile, MP_INDUSTRY)

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 */

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static inline void SetIndustryConstructionStage(TileIndex tile, byte value)

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{

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	assert(IsTileType(tile, MP_INDUSTRY));

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	SB(_m[tile].m1, 0, 2, value);

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}

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static inline IndustryGfx GetCleanIndustryGfx(TileIndex t)

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{

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	assert(IsTileType(t, MP_INDUSTRY));

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	return _m[t].m5 | (GB(_m[t].m6, 2, 1) << 8);

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}

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/**

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 * Get the industry graphics ID for the given industry tile

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 * @param t the tile to get the gfx for

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 * @pre IsTileType(t, MP_INDUSTRY)

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 * @return the gfx ID

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 */

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static inline IndustryGfx GetIndustryGfx(TileIndex t)

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{

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	assert(IsTileType(t, MP_INDUSTRY));

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	return GetTranslatedIndustryTileID(GetCleanIndustryGfx(t));

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}

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/**

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 * Set the industry graphics ID for the given industry tile

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 * @param t   the tile to set the gfx for

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 * @pre IsTileType(t, MP_INDUSTRY)

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 * @param gfx the graphics ID

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 */

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static inline void SetIndustryGfx(TileIndex t, IndustryGfx gfx)

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{

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	assert(IsTileType(t, MP_INDUSTRY));

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	_m[t].m5 = GB(gfx, 0, 8);

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	SB(_m[t].m6, 2, 1, GB(gfx, 8, 1));

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}

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/**

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 * Make the given tile an industry tile

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 */

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{

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	SetTileType(t, MP_INDUSTRY);

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	_m[t].m1 = 0;

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	_m[t].m2 = index;

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	_m[t].m3 = 0;

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	_m[t].m4 = 0;

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	SetIndustryGfx(t, gfx);

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}

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/**

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 * Returns this indutry tile's construction counter value

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 * @param tile the tile to query

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 * @pre IsTileType(tile, MP_INDUSTRY)

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 * @return the construction counter

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 */

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static inline byte GetIndustryConstructionCounter(TileIndex tile)

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{

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	assert(IsTileType(tile, MP_INDUSTRY));

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	return GB(_m[tile].m1, 2, 2);

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}

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/**

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 * Sets this indutry tile's construction counter value

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 * @param tile the tile to query

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 * @param value the new value for the construction counter

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 * @pre IsTileType(tile, MP_INDUSTRY)

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 */

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static inline void SetIndustryConstructionCounter(TileIndex tile, byte value)

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{

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	assert(IsTileType(tile, MP_INDUSTRY));

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	SB(_m[tile].m1, 2, 2, value);

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}

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/**

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 * Reset the construction stage counter of the industry,

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 * as well as the completion bit.

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 * In fact, it is the same as restarting construction frmo ground up

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 * @param tile the tile to query

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 * @pre IsTileType(tile, MP_INDUSTRY)

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 */

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static inline void ResetIndustryConstructionStage(TileIndex tile)

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{

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	assert(IsTileType(tile, MP_INDUSTRY));

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	_m[tile].m1 = 0;

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}

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/**

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 * Get the animation loop number

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 * @param tile the tile to get the animation loop number of

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 * @pre IsTileType(tile, MP_INDUSTRY)

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 */

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static inline byte GetIndustryAnimationLoop(TileIndex tile)

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{

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	assert(IsTileType(tile, MP_INDUSTRY));

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	return _m[tile].m4;

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}

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/**

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 * Set the animation loop number

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 * @param tile the tile to set the animation loop number of

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 * @param count the new animation frame number

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 * @pre IsTileType(tile, MP_INDUSTRY)

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 */

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static inline void SetIndustryAnimationLoop(TileIndex tile, byte count)

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{

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	assert(IsTileType(tile, MP_INDUSTRY));

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	_m[tile].m4 = count;

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}

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/**

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 * Get the animation state

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 * @param tile the tile to get the animation state of

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 * @pre IsTileType(tile, MP_INDUSTRY)

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 */

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static inline byte GetIndustryAnimationState(TileIndex tile)

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{

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	assert(IsTileType(tile, MP_INDUSTRY));

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	return _m[tile].m3;

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}

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/**

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 * Set the animation state

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 * @param tile the tile to set the animation state of

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 * @param state the new animation state

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 * @pre IsTileType(tile, MP_INDUSTRY)

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 */

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static inline void SetIndustryAnimationState(TileIndex tile, byte state)

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{

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	assert(IsTileType(tile, MP_INDUSTRY));

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	_m[tile].m3 = state;

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}

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/**

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 * Get the random bits for this tile.

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 * Used for grf callbacks

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 * @param tile TileIndex of the tile to query

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 * @pre IsTileType(tile, MP_INDUSTRY)

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 * @return requested bits

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 */

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static inline byte GetIndustryRandomBits(TileIndex tile)

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{

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	assert(IsTileType(tile, MP_INDUSTRY));

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	return _me[tile].m7;

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}

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/**

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 * Set the random bits for this tile.

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 * Used for grf callbacks

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 * @param tile TileIndex of the tile to query

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 * @param bits the random bits

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 * @pre IsTileType(tile, MP_INDUSTRY)

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 */

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static inline void SetIndustryRandomBits(TileIndex tile, byte bits)

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{

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	assert(IsTileType(tile, MP_INDUSTRY));

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	_me[tile].m7 = bits;

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}

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/**

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 * Get the activated triggers bits for this industry tile

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 * Used for grf callbacks

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 * @param tile TileIndex of the tile to query

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 * @pre IsTileType(tile, MP_INDUSTRY)

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 * @return requested triggers

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 */

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static inline byte GetIndustryTriggers(TileIndex tile)

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{

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	assert(IsTileType(tile, MP_INDUSTRY));

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	return GB(_m[tile].m6, 3, 3);

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}

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/**

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 * Set the activated triggers bits for this industry tile

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 * Used for grf callbacks

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 * @param tile TileIndex of the tile to query

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 * @param triggers the triggers to set

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 * @pre IsTileType(tile, MP_INDUSTRY)

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 */

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static inline void SetIndustryTriggers(TileIndex tile, byte triggers)

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{

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	assert(IsTileType(tile, MP_INDUSTRY));

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	SB(_m[tile].m6, 3, 3, triggers);

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}

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#endif /* INDUSTRY_MAP_H */