BlockTypePalette.h

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#pragma once
 
#include <utility>
#include "BlockState.h"
 
 
 
 
 
class BlockTypePalette
{
public:
 
    class NoSuchIndexException:
        public std::runtime_error
    {
        using Super = std::runtime_error;
 
    public:
        NoSuchIndexException(UInt32 aIndex):
            Super(fmt::format(FMT_STRING("No such palette index: {}"), aIndex))
        {
        }
    };
 
 
    class LoadFailedException:
        public std::runtime_error
    {
        using Super = std::runtime_error;
 
    public:
        LoadFailedException(const AString & aReason):
            Super(aReason)
        {
        }
    };
 
 
 
    BlockTypePalette();
 
    UInt32 index(const AString & aBlockTypeName, const BlockState & aBlockState);
 
    std::pair<UInt32, bool> maybeIndex(const AString & aBlockTypeName, const BlockState & aBlockState) const;
 
    UInt32 count() const;
 
    const std::pair<AString, BlockState> & entry(UInt32 aIndex) const;
 
    std::map<UInt32, UInt32> createTransformMapAddMissing(const BlockTypePalette & aFrom);
 
    std::map<UInt32, UInt32> createTransformMapWithFallback(const BlockTypePalette & aFrom, UInt32 aFallbackIndex) const;
 
    void loadFromString(const AString & aString);
 
 
protected:
 
    std::map<UInt32, std::pair<AString, BlockState>> mNumberToBlock;
 
    std::unordered_map<AString, std::map<BlockState, UInt32>> mBlockToNumber;
 
    UInt32 mMaxIndex;
 
 
    void loadFromJsonString(const AString & aJsonPalette);
 
    void loadFromTsv(const AString & aTsvPalette, bool aIsUpgrade);
 
    void addMapping(UInt32 aID, const AString & aBlockTypeName, const BlockState & aBlockState);
};