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(svn r17708) -Feature [FS#2053]: [OSX] Implement clipboard support for OS X.
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/*
* 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 newgrf_commons.h This file simplyfies and embeds a common mechanism of
* loading/saving and mapping of grf entities.
*/
#ifndef NEWGRF_COMMONS_H
#define NEWGRF_COMMONS_H
#include "core/bitmath_func.hpp"
#include "table/sprites.h"
/**
* Maps an entity id stored on the map to a GRF file.
* Entities are objects used ingame (houses, industries, industry tiles) for
* which we need to correlate the ids from the grf files with the ones in the
* the savegames themselves.
* An array of EntityIDMapping structs is saved with the savegame so
* that those GRFs can be loaded in a different order, or removed safely. The
* index in the array is the entity's ID stored on the map.
*
* The substitute ID is the ID of an original entity that should be used instead
* if the GRF containing the new entity is not available.
*/
struct EntityIDMapping {
uint32 grfid; ///< The GRF ID of the file the entity belongs to
uint8 entity_id; ///< The entity ID within the GRF file
uint8 substitute_id; ///< The (original) entity ID to use if this GRF is not available
};
class OverrideManagerBase {
protected:
uint16 *entity_overrides;
uint32 *grfid_overrides;
uint16 max_offset; ///< what is the length of the original entity's array of specs
uint16 max_new_entities; ///< what is the amount of entities, old and new summed
uint16 invalid_ID; ///< ID used to dected invalid entities;
virtual bool CheckValidNewID(uint16 testid) { return true; }
public:
EntityIDMapping *mapping_ID; ///< mapping of ids from grf files. Public out of convenience
OverrideManagerBase(uint16 offset, uint16 maximum, uint16 invalid);
virtual ~OverrideManagerBase();
void ResetOverride();
void ResetMapping();
void Add(uint8 local_id, uint32 grfid, uint entity_type);
virtual uint16 AddEntityID(byte grf_local_id, uint32 grfid, byte substitute_id);
uint16 GetSubstituteID(byte entity_id);
virtual uint16 GetID(uint8 grf_local_id, uint32 grfid);
inline uint16 GetMaxMapping() { return max_new_entities; }
inline uint16 GetMaxOffset() { return max_offset; }
};
struct HouseSpec;
class HouseOverrideManager : public OverrideManagerBase {
public:
HouseOverrideManager(uint16 offset, uint16 maximum, uint16 invalid) :
OverrideManagerBase(offset, maximum, invalid) {}
void SetEntitySpec(const HouseSpec *hs);
};
struct IndustrySpec;
class IndustryOverrideManager : public OverrideManagerBase {
public:
IndustryOverrideManager(uint16 offset, uint16 maximum, uint16 invalid) :
OverrideManagerBase(offset, maximum, invalid) {}
virtual uint16 AddEntityID(byte grf_local_id, uint32 grfid, byte substitute_id);
virtual uint16 GetID(uint8 grf_local_id, uint32 grfid);
void SetEntitySpec(IndustrySpec *inds);
};
struct IndustryTileSpec;
class IndustryTileOverrideManager : public OverrideManagerBase {
protected:
virtual bool CheckValidNewID(uint16 testid) { return testid != 0xFF; }
public:
IndustryTileOverrideManager(uint16 offset, uint16 maximum, uint16 invalid) :
OverrideManagerBase(offset, maximum, invalid) {}
void SetEntitySpec(const IndustryTileSpec *indts);
};
extern HouseOverrideManager _house_mngr;
extern IndustryOverrideManager _industry_mngr;
extern IndustryTileOverrideManager _industile_mngr;
uint32 GetTerrainType(TileIndex tile);
TileIndex GetNearbyTile(byte parameter, TileIndex tile);
uint32 GetNearbyTileInformation(TileIndex tile);
/**
* Applies PALETTE_MODIFIER_TRANSPARENT and PALETTE_MODIFIER_COLOUR to a palette entry of a sprite layout entry
* @Note for ground sprites use #GroundSpritePaletteTransform
* @Note Not useable for OTTD internal spritelayouts from table/xxx_land.h as PALETTE_MODIFIER_TRANSPARENT is only set
* when to use the default palette.
*
* @param image The sprite to draw
* @param pal The palette from the sprite layout
* @param default_pal The default recolour sprite to use (typically company colour resp. random industry/house colour)
* @return The palette to use
*/
static inline SpriteID SpriteLayoutPaletteTransform(SpriteID image, SpriteID pal, SpriteID default_pal)
{
if (HasBit(image, PALETTE_MODIFIER_TRANSPARENT) || HasBit(image, PALETTE_MODIFIER_COLOUR)) {
return (pal != 0 ? pal : default_pal);
} else {
return PAL_NONE;
}
}
/**
* Applies PALETTE_MODIFIER_COLOUR to a palette entry of a ground sprite
* @Note Not useable for OTTD internal spritelayouts from table/xxx_land.h as PALETTE_MODIFIER_TRANSPARENT is only set
* when to use the default palette.
*
* @param image The sprite to draw
* @param pal The palette from the sprite layout
* @param default_pal The default recolour sprite to use (typically company colour resp. random industry/house colour)
* @return The palette to use
*/
static inline SpriteID GroundSpritePaletteTransform(SpriteID image, SpriteID pal, SpriteID default_pal)
{
if (HasBit(image, PALETTE_MODIFIER_COLOUR)) {
return (pal != 0 ? pal : default_pal);
} else {
return PAL_NONE;
}
}
#endif /* NEWGRF_COMMONS_H */
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