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/* $Id$ */
/*
* This file is part of OpenTTD.
* OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
* OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file industry_type.h Types related to the industry. */
#ifndef INDUSTRY_TYPE_H
#define INDUSTRY_TYPE_H
typedef uint16 IndustryID;
typedef uint16 IndustryGfx;
typedef uint8 IndustryType;
struct Industry;
struct IndustrySpec;
struct IndustryTileSpec;
static const IndustryID INVALID_INDUSTRY = 0xFFFF;
static const IndustryType NUM_INDUSTRYTYPES_PER_GRF = 128; ///< maximum number of industry types per NewGRF; limited to 128 because bit 7 has a special meaning in some variables/callbacks (see MapNewGRFIndustryType).
static const IndustryType NEW_INDUSTRYOFFSET = 37; ///< original number of industry types
static const IndustryType NUM_INDUSTRYTYPES = 240; ///< total number of industry types, new and old; limited to 240 because we need some special ids like INVALID_INDUSTRYTYPE, IT_AI_UNKNOWN, IT_AI_TOWN, ...
static const IndustryType INVALID_INDUSTRYTYPE = NUM_INDUSTRYTYPES; ///< one above amount is considered invalid
static const IndustryGfx NUM_INDUSTRYTILES_PER_GRF = 255; ///< Maximum number of industry tiles per NewGRF; limited to 255 to allow extending Action3 with an extended byte later on.
static const IndustryGfx INDUSTRYTILE_NOANIM = 0xFF; ///< flag to mark industry tiles as having no animation
static const IndustryGfx NEW_INDUSTRYTILEOFFSET = 175; ///< original number of tiles
static const IndustryGfx NUM_INDUSTRYTILES = 512; ///< total number of industry tiles, new and old
static const IndustryGfx INVALID_INDUSTRYTILE = NUM_INDUSTRYTILES; ///< one above amount is considered invalid
static const int INDUSTRY_COMPLETED = 3; ///< final stage of industry construction.
void CheckIndustries();
#endif /* INDUSTRY_TYPE_H */
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