src/industry_type.h

   1 /*
   2  * This file is part of OpenTTD.
   3  * 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.
   4  * 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.
   5  * 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/>.
   6  */
   7
   8 /** @file industry_type.h Types related to the industry. */
   9
  10 #ifndef INDUSTRY_TYPE_H
  11 #define INDUSTRY_TYPE_H
  12
  13 typedef uint16 IndustryID;
  14 typedef uint16 IndustryGfx;
  15 typedef uint8 IndustryType;
  16 struct Industry;
  17
  18 struct IndustrySpec;
  19 struct IndustryTileSpec;
  20
  21 static const IndustryID INVALID_INDUSTRY = 0xFFFF;
  22
  23 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).
  24
  25 static const IndustryType NEW_INDUSTRYOFFSET     = 37;                ///< original number of industry types
  26 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, ...
  27 static const IndustryType INVALID_INDUSTRYTYPE   = NUM_INDUSTRYTYPES; ///< one above amount is considered invalid
  28
  29 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.
  30
  31 static const IndustryGfx  INDUSTRYTILE_NOANIM    = 0xFF;              ///< flag to mark industry tiles as having no animation
  32 static const IndustryGfx  NEW_INDUSTRYTILEOFFSET = 175;               ///< original number of tiles
  33 static const IndustryGfx  NUM_INDUSTRYTILES      = 512;               ///< total number of industry tiles, new and old
  34 static const IndustryGfx  INVALID_INDUSTRYTILE   = NUM_INDUSTRYTILES; ///< one above amount is considered invalid
  35
  36 static const int INDUSTRY_COMPLETED = 3; ///< final stage of industry construction.
  37
  38 static const int INDUSTRY_NUM_INPUTS = 16;  ///< Number of cargo types an industry can accept
  39 static const int INDUSTRY_NUM_OUTPUTS = 16; ///< Number of cargo types an industry can produce
  40
  41
  42 void CheckIndustries();
  43
  44 #endif /* INDUSTRY_TYPE_H */