mirror of
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80 lines
2.4 KiB
C
80 lines
2.4 KiB
C
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/* Copyright (c) 2013-2017 Jeffrey Pfau
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef M_MAP_CACHE_H
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#define M_MAP_CACHE_H
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#include <mgba-util/common.h>
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CXX_GUARD_START
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#include <mgba/core/interface.h>
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#include <mgba/core/tile-cache.h>
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DECL_BITFIELD(mMapCacheConfiguration, uint32_t);
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DECL_BIT(mMapCacheConfiguration, ShouldStore, 0);
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DECL_BITFIELD(mMapCacheSystemInfo, uint32_t);
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DECL_BITS(mMapCacheSystemInfo, PaletteBPP, 0, 2);
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DECL_BITS(mMapCacheSystemInfo, PaletteCount, 2, 4);
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DECL_BITS(mMapCacheSystemInfo, TilesWide, 8, 4);
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DECL_BITS(mMapCacheSystemInfo, TilesHigh, 12, 4);
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DECL_BITS(mMapCacheSystemInfo, MacroTileSize, 16, 7);
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DECL_BITS(mMapCacheSystemInfo, MapAlign, 23, 2);
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DECL_BITFIELD(mMapCacheEntryFlags, uint16_t);
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DECL_BITS(mMapCacheEntryFlags, PaletteId, 0, 4);
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DECL_BIT(mMapCacheEntryFlags, VramClean, 4);
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DECL_BIT(mMapCacheEntryFlags, HMirror, 5);
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DECL_BIT(mMapCacheEntryFlags, VMirror, 6);
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DECL_BITS(mMapCacheEntryFlags, Mirror, 5, 2);
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struct mMapCacheEntry {
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uint32_t vramVersion;
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uint16_t tileId;
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mMapCacheEntryFlags flags;
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struct mTileCacheEntry tileStatus[16];
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};
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struct mTileCache;
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struct mTileCacheEntry;
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struct mMapCache {
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color_t* cache;
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struct mTileCache* tileCache;
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struct mMapCacheEntry* status;
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uint8_t* vram;
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uint32_t mapStart;
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uint32_t mapSize;
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uint32_t tileStart;
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mMapCacheConfiguration config;
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mMapCacheSystemInfo sysConfig;
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void (*mapParser)(struct mMapCache*, struct mMapCacheEntry* entry, void* vram);
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void* context;
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};
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void mMapCacheInit(struct mMapCache* cache);
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void mMapCacheDeinit(struct mMapCache* cache);
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void mMapCacheConfigure(struct mMapCache* cache, mMapCacheConfiguration config);
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void mMapCacheConfigureSystem(struct mMapCache* cache, mMapCacheSystemInfo config);
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void mMapCacheConfigureMap(struct mMapCache* cache, uint32_t mapStart);
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void mMapCacheWriteVRAM(struct mMapCache* cache, uint32_t address);
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uint32_t mMapCacheTileId(struct mMapCache* cache, unsigned x, unsigned y);
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bool mMapCacheCheckTile(struct mMapCache* cache, const struct mMapCacheEntry* entry, unsigned x, unsigned y);
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void mMapCacheCleanTile(struct mMapCache* cache, struct mMapCacheEntry* entry, unsigned x, unsigned y);
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void mMapCacheCleanRow(struct mMapCache* cache, unsigned y);
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const color_t* mMapCacheGetRow(struct mMapCache* cache, unsigned y);
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CXX_GUARD_END
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#endif
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