src/newgrf_industrytiles.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 newgrf_industrytiles.h NewGRF handling of industry tiles. */
   9
  10 #ifndef NEWGRF_INDUSTRYTILES_H
  11 #define NEWGRF_INDUSTRYTILES_H
  12
  13 #include "newgrf_animation_type.h"
  14 #include "newgrf_industries.h"
  15 #include "core/random_func.hpp"
  16
  17 /** Resolver for the industry tiles scope. */
  18 struct IndustryTileScopeResolver : public ScopeResolver {
  19         Industry *industry; ///< Industry owning the tiles.
  20         TileIndex tile;     ///< %Tile being resolved.
  21
  22         /**
  23          * Constructor of the scope resolver for the industry tile.
  24          * @param ro Surrounding resolver.
  25          * @param industry %Industry owning the tile.
  26          * @param tile %Tile of the industry.
  27          */
  28         IndustryTileScopeResolver(ResolverObject &ro, Industry *industry, TileIndex tile)
  29                 : ScopeResolver(ro), industry(industry), tile(tile)
  30         {
  31         }
  32
  33         uint32 GetRandomBits() const override;
  34         uint32 GetVariable(byte variable, uint32 parameter, bool *available) const override;
  35         uint32 GetTriggers() const override;
  36 };
  37
  38 /** Resolver for industry tiles. */
  39 struct IndustryTileResolverObject : public ResolverObject {
  40         IndustryTileScopeResolver indtile_scope; ///< Scope resolver for the industry tile.
  41         IndustriesScopeResolver ind_scope;       ///< Scope resolver for the industry owning the tile.
  42
  43         IndustryTileResolverObject(IndustryGfx gfx, TileIndex tile, Industry *indus,
  44                         CallbackID callback = CBID_NO_CALLBACK, uint32 callback_param1 = 0, uint32 callback_param2 = 0);
  45
  46         ScopeResolver *GetScope(VarSpriteGroupScope scope = VSG_SCOPE_SELF, byte relative = 0) override
  47         {
  48                 switch (scope) {
  49                         case VSG_SCOPE_SELF: return &indtile_scope;
  50                         case VSG_SCOPE_PARENT: return &ind_scope;
  51                         default: return ResolverObject::GetScope(scope, relative);
  52                 }
  53         }
  54 };
  55
  56 bool DrawNewIndustryTile(TileInfo *ti, Industry *i, IndustryGfx gfx, const IndustryTileSpec *inds);
  57 uint16 GetIndustryTileCallback(CallbackID callback, uint32 param1, uint32 param2, IndustryGfx gfx_id, Industry *industry, TileIndex tile);
  58 CommandCost PerformIndustryTileSlopeCheck(TileIndex ind_base_tile, TileIndex ind_tile, const IndustryTileSpec *its, IndustryType type, IndustryGfx gfx, size_t layout_index, uint16 initial_random_bits, Owner founder, IndustryAvailabilityCallType creation_type);
  59
  60 void AnimateNewIndustryTile(TileIndex tile);
  61 bool StartStopIndustryTileAnimation(TileIndex tile, IndustryAnimationTrigger iat, uint32 random = Random());
  62 bool StartStopIndustryTileAnimation(const Industry *ind, IndustryAnimationTrigger iat);
  63
  64
  65 /** Available industry tile triggers. */
  66 enum IndustryTileTrigger {
  67         INDTILE_TRIGGER_TILE_LOOP       = 0x01, ///< The tile of the industry has been triggered during the tileloop.
  68         INDUSTRY_TRIGGER_INDUSTRY_TICK  = 0x02, ///< The industry has been triggered via its tick.
  69         INDUSTRY_TRIGGER_RECEIVED_CARGO = 0x04, ///< Cargo has been delivered.
  70 };
  71 void TriggerIndustryTile(TileIndex t, IndustryTileTrigger trigger);
  72 void TriggerIndustry(Industry *ind, IndustryTileTrigger trigger);
  73
  74 #endif /* NEWGRF_INDUSTRYTILES_H */