src/industry_type.h

   1 /* $Id$ */
   2
   3 /*
   4  * This file is part of OpenTTD.
   5  * 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.
   6  * 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.
   7  * 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/>.
   8  */
   9
  10 /** @file industry_type.h Types related to the industry. */
  11
  12 #ifndef INDUSTRY_TYPE_H
  13 #define INDUSTRY_TYPE_H
  14
  15 typedef uint16 IndustryID;
  16 typedef uint16 IndustryGfx;
  17 typedef uint8 IndustryType;
  18 struct Industry;
  19
  20 struct IndustrySpec;
  21 struct IndustryTileSpec;
  22
  23 static const IndustryID INVALID_INDUSTRY = 0xFFFF;
  24
  25 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).
  26
  27 static const IndustryType NEW_INDUSTRYOFFSET     = 37;                ///< original number of industry types
  28 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, ...
  29 static const IndustryType INVALID_INDUSTRYTYPE   = NUM_INDUSTRYTYPES; ///< one above amount is considered invalid
  30
  31 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.
  32
  33 static const IndustryGfx  INDUSTRYTILE_NOANIM    = 0xFF;              ///< flag to mark industry tiles as having no animation
  34 static const IndustryGfx  NEW_INDUSTRYTILEOFFSET = 175;               ///< original number of tiles
  35 static const IndustryGfx  NUM_INDUSTRYTILES      = 512;               ///< total number of industry tiles, new and old
  36 static const IndustryGfx  INVALID_INDUSTRYTILE   = NUM_INDUSTRYTILES; ///< one above amount is considered invalid
  37
  38 #endif /* INDUSTRY_TYPE_H */