81 lines
1.4 KiB
C++
81 lines
1.4 KiB
C++
#include "Globals.h"
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#include "BlockTypePalette.h"
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BlockTypePalette::BlockTypePalette()
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{
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// Nothing needed yet
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}
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UInt32 BlockTypePalette::index(const AString & aBlockTypeName, const BlockState & aBlockState)
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{
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auto idx = maybeIndex(aBlockTypeName, aBlockState);
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if (idx.second)
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{
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return idx.first;
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}
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// Not found, append:
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mPalette.push_back(std::make_pair(aBlockTypeName, aBlockState));
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return static_cast<UInt32>(mPalette.size() - 1);
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}
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std::pair<UInt32, bool> BlockTypePalette::maybeIndex(const AString & aBlockTypeName, const BlockState & aBlockState) const
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{
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auto count = mPalette.size();
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for (size_t idx = 0; idx < count; ++idx)
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{
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const auto & entry = mPalette[idx];
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if ((entry.first == aBlockTypeName) && (entry.second == aBlockState))
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{
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return std::make_pair(static_cast<UInt32>(idx), true);
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}
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}
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return std::make_pair(0, false);
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}
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UInt32 BlockTypePalette::count() const
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{
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return static_cast<UInt32>(mPalette.size());
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}
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const std::pair<AString, BlockState> & BlockTypePalette::entry(UInt32 aIndex) const
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{
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ASSERT(aIndex < mPalette.size());
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return mPalette[aIndex];
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}
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std::map<UInt32, UInt32> BlockTypePalette::createTransformMap(const BlockTypePalette & aOther)
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{
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std::map<UInt32, UInt32> res;
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auto numIndices = aOther.count();
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for (UInt32 idx = 0; idx < numIndices; ++idx)
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{
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const auto & e = aOther.mPalette[idx];
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res[idx] = index(e.first, e.second);
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}
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return res;
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}
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