diff options
Diffstat (limited to 'src/newgrf_commons.h')
| -rw-r--r-- | src/newgrf_commons.h | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/src/newgrf_commons.h b/src/newgrf_commons.h index 171ccf759..1ddfdc181 100644 --- a/src/newgrf_commons.h +++ b/src/newgrf_commons.h @@ -16,8 +16,10 @@ #define NEWGRF_COMMONS_H #include "tile_type.h" +#include "sprite.h" +#include "core/alloc_type.hpp" -/** Contextx for tile accesses */ +/** Context for tile accesses */ enum TileContext { TCX_NORMAL, ///< Nothing special. TCX_UPPER_HALFTILE, ///< Querying information about the upper part of a tile with halftile foundation. @@ -25,6 +27,32 @@ enum TileContext { }; /** + * NewGRF supplied spritelayout. + * In contrast to #DrawTileSprites this struct is for allocated + * layouts on the heap. It allocates data and frees them on destruction. + */ +struct NewGRFSpriteLayout : ZeroedMemoryAllocator, DrawTileSprites { + void Allocate(uint num_sprites); + void Clone(const DrawTileSeqStruct *source); + + /** + * Clone a spritelayout. + * @param source The spritelayout to copy. + */ + void Clone(const DrawTileSprites *source) + { + assert(source != NULL && this != source); + this->ground = source->ground; + this->Clone(source->seq); + } + + virtual ~NewGRFSpriteLayout() + { + free(const_cast<DrawTileSeqStruct*>(this->seq)); + } +}; + +/** * 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 |