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