OpenAssetTools/src/ObjLoading/Game/T6/AssetLoaders/AssetLoaderStringTable.cpp
2021-08-14 15:39:40 +02:00

93 lines
2.9 KiB
C++

#include "AssetLoaderStringTable.h"
#include <cstring>
#include "Csv/CsvStream.h"
#include "Game/T6/CommonT6.h"
#include "Game/T6/T6.h"
#include "Pool/GlobalAssetPool.h"
using namespace T6;
void* AssetLoaderStringTable::CreateEmptyAsset(const std::string& assetName, MemoryManager* memory)
{
auto* stringTable = memory->Create<StringTable>();
memset(stringTable, 0, sizeof(StringTable));
stringTable->name = memory->Dup(assetName.c_str());
return stringTable;
}
bool AssetLoaderStringTable::CanLoadFromRaw() const
{
return true;
}
bool AssetLoaderStringTable::LoadFromRaw(const std::string& assetName, ISearchPath* searchPath, MemoryManager* memory, IAssetLoadingManager* manager, Zone* zone) const
{
const auto file = searchPath->Open(assetName);
if (!file.IsOpen())
return false;
auto* stringTable = memory->Create<StringTable>();
stringTable->name = memory->Dup(assetName.c_str());
std::vector<std::vector<std::string>> csvLines;
std::vector<std::string> currentLine;
auto maxCols = 0u;
const CsvInputStream csv(*file.m_stream);
while (csv.NextRow(currentLine))
{
if (currentLine.size() > maxCols)
maxCols = currentLine.size();
csvLines.emplace_back(std::move(currentLine));
}
stringTable->columnCount = maxCols;
stringTable->rowCount = csvLines.size();
const auto cellCount = static_cast<unsigned>(stringTable->rowCount) * static_cast<unsigned>(stringTable->columnCount);
if (cellCount)
{
stringTable->values = static_cast<StringTableCell*>(memory->Alloc(sizeof(StringTableCell) * cellCount));
stringTable->cellIndex = static_cast<int16_t*>(memory->Alloc(sizeof(int16_t) * cellCount));
for (auto c = 0u; c < cellCount; c++)
stringTable->cellIndex[c] = static_cast<int16_t>(c);
for (auto row = 0u; row < csvLines.size(); row++)
{
const auto& rowValues = csvLines[row];
for (auto col = 0u; col < maxCols; col++)
{
auto& cell = stringTable->values[row * maxCols + col];
if (col >= rowValues.size() || rowValues[col].empty())
cell.string = "";
else
cell.string = memory->Dup(rowValues[col].c_str());
cell.hash = Common::Com_HashString(cell.string);
}
}
std::sort(&stringTable->cellIndex[0], &stringTable->cellIndex[cellCount - 1], [stringTable, maxCols](const int16_t a, const int16_t b)
{
auto compareResult = stringTable->values[a].hash - stringTable->values[b].hash;
if (compareResult == 0)
compareResult = a % maxCols - b % maxCols;
return compareResult < 0;
});
}
else
{
stringTable->values = nullptr;
stringTable->cellIndex = nullptr;
}
manager->AddAsset(ASSET_TYPE_STRINGTABLE, assetName, stringTable);
return true;
}