RelativePath=".\..\src\newgrf_industrytiles.h">

			</File>

			<File

				RelativePath=".\..\src\newgrf_industrytiles.cpp">

			</File>

			<File

				RelativePath="..\src\newgrf_industrytiles.h"

				>

			</File>

			<File

				RelativePath="..\src\newgrf_industrytiles.cpp"

				>

			</File>

			<File

newgrf_industrytiles.h

newgrf_industrytiles.cpp

static void NewIndustryResolver(ResolverObject *res, TileIndex tile, Industry *indus)

	res->GetRandomBits = IndustryTileGetRandomBits;

	res->GetTriggers   = IndustryTileGetTriggers;

	res->SetTriggers   = IndustryTileSetTriggers;

	res->u.industry.gfx  = INVALID_INDUSTRYTILE;

	NewIndustryResolver(&object, tile, industry);

/* in newgrf_industry.cpp */

/* in newgrf_industrytiles.cpp*/

uint32 IndustryTileGetRandomBits(const ResolverObject *object);

uint32 IndustryTileGetTriggers(const ResolverObject *object);

void IndustryTileSetTriggers(const ResolverObject *object, int triggers);

/* $Id$ */

/** @file newgrf_industrytiles.cpp */

#include "stdafx.h"

#include "openttd.h"

#include "functions.h"

#include "variables.h"

#include "debug.h"

#include "viewport.h"

#include "landscape.h"

#include "newgrf.h"

#include "industry.h"

#include "newgrf_commons.h"

#include "newgrf_spritegroup.h"

#include "newgrf_callbacks.h"

#include "newgrf_industries.h"

#include "industry_map.h"

#include "clear_map.h"

#include "table/sprites.h"

#include "sprite.h"

/**

 * Based on newhouses equivalent, but adapted for newindustries

 * @param parameter from callback.  It's in fact a pair of coordinates

 * @param tile TileIndex from which the callback was initiated

 * @param index of the industry been queried for

 * @return a construction of bits obeying the newgrf format

 */

static uint32 GetNearbyIndustryTileInformation(byte parameter, TileIndex tile, IndustryID index)

{

	byte tile_type;

	bool is_same_industry;

	tile = GetNearbyTile(parameter, tile);

	is_same_industry = (IsTileType(tile, MP_INDUSTRY) && GetIndustryIndex(tile) == index);

	tile_type = GetTerrainType(tile) << 2 | (IsTileType(tile, MP_WATER) ? 1 : 0) << 1 | (is_same_industry ? 1 : 0);

	return GetTileType(tile) << 24 | (TileHeight(tile) * 8) << 16 | tile_type << 8 | GetTileSlope(tile, NULL);

}

/** This is the position of the tile relative to the northernmost tile of the industry.

 * Format: 00yxYYXX

 * Variable  Content

 * x         the x offset from the northernmost tile

 * XX        same, but stored in a byte instead of a nibble

 * y         the y offset from the northernmost tile

 * YY        same, but stored in a byte instead of a nibble

 * @param tile TileIndex of the tile to evaluate

 * @param ind_tile northernmost tile of the industry

 */

static uint32 GetRelativePosition(TileIndex tile, TileIndex ind_tile)

{

	byte x = TileX(ind_tile) - TileX(tile);

	byte y = TileY(ind_tile) - TileY(tile);

	return ((y & 0xF) << 20) | ((x & 0xF) << 16) | (y << 8) | x;

}

static uint32 IndustryTileGetVariable(const ResolverObject *object, byte variable, byte parameter, bool *available)

{

	const Industry *inds = object->u.industry.ind;

	TileIndex tile       = object->u.industry.tile;

	IndustryGfx gfx      = object->u.industry.gfx;

	if (object->scope == VSG_SCOPE_PARENT) {

		return IndustryGetVariable(object, variable, parameter, available);

	}

	switch (variable) {

		case 0x40 : return GetIndustryConstructionStage(tile); /* Construction state of the tile: a value between 0 and 3 */

		case 0x41 : return GetTerrainType(tile);

		case 0x42 : return GetTownRadiusGroup(ClosestTownFromTile(tile, (uint)-1), tile); /* Current town zone of the tile in the nearest town */

		case 0x43 : return GetRelativePosition(tile, inds->xy); /* Relative position */

		case 0x44 : break; /* Animation frame. Like house variable 46 but can contain anything 0..FF. */

		case 0x60 : return GetNearbyIndustryTileInformation(parameter, tile, inds->index); /* Land info of nearby tiles */

		case 0x61 : {/* Animation stage of nearby tiles */

			tile = GetNearbyTile(parameter, tile);

			return 0;  // TODO define the animation scheme for newgrf.  Based on same as old one?

		}

		/* Get industry tile ID at offset */

		case 0x62 : return GetIndustryIDAtOffset(GetNearbyTile(parameter, tile), tile, inds);

	}

	return 0;

}

static const SpriteGroup *IndustryTileResolveReal(const ResolverObject *object, const SpriteGroup *group)

{

	/* IndustryTile do not have 'real' groups.  Or do they?? */

	return NULL;

}

uint32 IndustryTileGetRandomBits(const ResolverObject *object)

{

	const TileIndex tile = object->u.industry.tile;

	return (tile == INVALID_TILE || !IsTileType(tile, MP_INDUSTRY)) ? 0 : GetIndustryRandomBits(tile);

}

uint32 IndustryTileGetTriggers(const ResolverObject *object)

{

	const TileIndex tile = object->u.industry.tile;

	return (tile == INVALID_TILE || !IsTileType(tile, MP_INDUSTRY)) ? 0 : GetIndustryTriggers(tile);

}

void IndustryTileSetTriggers(const ResolverObject *object, int triggers)

{

	const TileIndex tile = object->u.industry.tile;

	if (IsTileType(tile, MP_INDUSTRY)) SetIndustryTriggers(tile, triggers);

}

static void NewIndustryTileResolver(ResolverObject *res, IndustryGfx gfx, TileIndex tile, Industry *indus)

{

	res->GetRandomBits = IndustryTileGetRandomBits;

	res->GetTriggers   = IndustryTileGetTriggers;

	res->SetTriggers   = IndustryTileSetTriggers;

	res->GetVariable   = IndustryTileGetVariable;

	res->ResolveReal   = IndustryTileResolveReal;

	res->u.industry.tile = tile;

	res->u.industry.ind  = indus;

	res->u.industry.gfx  = gfx;

	res->callback        = 0;

	res->callback_param1 = 0;

	res->callback_param2 = 0;

	res->last_value      = 0;

	res->trigger         = 0;

	res->reseed          = 0;

}

uint16 GetIndustryTileCallback(uint16 callback, uint32 param1, uint32 param2, IndustryGfx gfx_id, Industry *industry, TileIndex tile)

{

	ResolverObject object;

	const SpriteGroup *group;

	NewIndustryTileResolver(&object, gfx_id, tile, industry);

	object.callback = callback;

	object.callback_param1 = param1;

	object.callback_param2 = param2;

	group = Resolve(GetIndustryTileSpec(gfx_id)->grf_prop.spritegroup, &object);

	if (group == NULL || group->type != SGT_CALLBACK) return CALLBACK_FAILED;

	return group->g.callback.result;

}

/* $Id$ */

/** @file newgrf_industrytiles.h */

#ifndef NEWGRF_INDUSTRYTILES_H

#define NEWGRF_INDUSTRYTILES_H

void DrawNewIndustryTile(TileInfo *ti, IndustryGfx gfx);

uint16 GetIndustryTileCallback(uint16 callback, uint32 param1, uint32 param2, IndustryGfx gfx_id, Industry *industry, TileIndex tile);

#endif /* NEWGRF_INDUSTRYTILES_H */

			IndustryGfx gfx;