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chore: use generic loaders for iw4,iw5,t5,t6 instead of duplicating implementations

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Jan
2024-01-20 16:32:30 +01:00
parent 8de849dc85
commit 2a1b64021b
5 changed files with 68 additions and 204 deletions
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56
src/ObjLoading/StringTable/StringTableLoader.h
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@ -86,4 +86,60 @@ namespace string_table
cell = content;
}
};
// =================================
// V2: IW4, IW5
// - Cells are a struct and have a hash
// =================================
template<typename StringTableType, int (*HashFunc)(const char*)>
class StringTableLoaderV2 final : public AbstractStringTableLoader<StringTableType, std::remove_pointer_t<decltype(StringTableType::values)>>
{
using CellType_t = decltype(*StringTableType::values);
protected:
void SetCellContent(CellType_t& cell, const char* content) override
{
cell.string = content;
cell.hash = HashFunc(content);
}
};
// =================================
// V3: T5, T6
// - Cells are a struct and have a hash
// - StringTable has an index array for binary search
// =================================
template<typename StringTableType, int (*HashFunc)(const char*)>
class StringTableLoaderV3 final : public AbstractStringTableLoader<StringTableType, std::remove_pointer_t<decltype(StringTableType::values)>>
{
using CellType_t = decltype(*StringTableType::values);
protected:
void SetCellContent(CellType_t& cell, const char* content) override
{
cell.string = content;
cell.hash = HashFunc(content);
}
void PostProcessStringTable(StringTableType* stringTable, const unsigned cellCount, MemoryManager& memory) override
{
if (!cellCount)
{
stringTable->cellIndex = nullptr;
return;
}
stringTable->cellIndex = static_cast<int16_t*>(memory.Alloc(sizeof(int16_t) * cellCount));
std::sort(&stringTable->cellIndex[0],
&stringTable->cellIndex[cellCount - 1],
[stringTable](const int16_t a, const int16_t b)
{
auto compareResult = stringTable->values[a].hash - stringTable->values[b].hash;
if (compareResult == 0)
compareResult = (a % stringTable->columnCount) - (b % stringTable->columnCount);
return compareResult < 0;
});
}
};
} // namespace string_table