map.h

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/* (c) Magnus Auvinen. See licence.txt in the root of the distribution for more information. */
/* If you are missing that file, acquire a complete release at teeworlds.com.                */
#ifndef ENGINE_SHARED_MAP_H
#define ENGINE_SHARED_MAP_H
 
#include "datafile.h"
 
#include <base/types.h>
 
#include <engine/map.h>
 
#include <set>
 
class CMapItemLayerTilemap;
class CMapItemLayerTilemap_v2;
 
class CMap : public IMap
{
    CDataFileReader m_DataFile;
 
public:
    CMap();
    ~CMap() override;
 
    int GetDataSize(int Index) const override;
    void *GetData(int Index) override;
    void *GetDataSwapped(int Index) override;
    const char *GetDataString(int Index) override;
    void UnloadData(int Index) override;
    int NumData() const override;
 
    int GetItemSize(int Index) override;
    void *GetItem(int Index, int *pType = nullptr, int *pId = nullptr, CUuid *pUuid = nullptr) override;
    void GetType(int Type, int *pStart, int *pNum) override;
    int FindItemIndex(int Type, int Id) override;
    void *FindItem(int Type, int Id) override;
    int NumItems() const override;
 
    [[nodiscard]] bool Load(const char *pFullName, IStorage *pStorage, const char *pPath, int StorageType) override;
    [[nodiscard]] bool Load(IStorage *pStorage, const char *pPath, int StorageType) override;
    void Unload() override;
    bool IsLoaded() const override;
    IOHANDLE File() const override;
 
    const char *FullName() const override;
    const char *BaseName() const override;
    const char *Path() const override;
    SHA256_DIGEST Sha256() const override;
    unsigned Crc() const override;
    int Size() const override;
 
private:
    static bool ValidateMapVersion(CDataFileReader &NewDataFile);
    static bool ExtractTiles(class CTile *pDest, size_t DestSize, const class CTile *pSrc, size_t SrcSize);
    bool UpgradeAndValidateTilesLayerItem(CDataFileReader &NewDataFile, int GroupIndex, int LayerIndex,
        CMapItemLayerTilemap_v2 *pLayerTilemapBase, int LayerItemIndex, size_t LayerItemSize);
    bool ValidateAndUnpackTilesLayerData(CDataFileReader &NewDataFile, int GroupIndex, int LayerIndex, const CMapItemLayerTilemap *pLayerTilemap,
        const CMapItemLayerTilemap &GameLayer, std::set<int> &UsedDataIndices);
};
 
#endif