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https://github.com/Laupetin/OpenAssetTools.git
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72 lines
2.2 KiB
C++
72 lines
2.2 KiB
C++
#include "AssetLoaderGfxImage.h"
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#include <cstring>
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#include <iostream>
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#include <sstream>
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#include <zlib.h>
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#include "Game/T6/CommonT6.h"
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#include "Game/T6/T6.h"
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#include "Image/IwiLoader.h"
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#include "Pool/GlobalAssetPool.h"
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using namespace T6;
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void* AssetLoaderGfxImage::CreateEmptyAsset(const std::string& assetName, MemoryManager* memory)
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{
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auto* image = memory->Create<GfxImage>();
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memset(image, 0, sizeof(GfxImage));
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image->name = memory->Dup(assetName.c_str());
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return image;
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}
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bool AssetLoaderGfxImage::CanLoadFromRaw() const
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{
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return true;
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}
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bool AssetLoaderGfxImage::LoadFromRaw(const std::string& assetName, ISearchPath* searchPath, MemoryManager* memory, IAssetLoadingManager* manager, Zone* zone) const
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{
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const auto fileName = "images/" + assetName + ".iwi";
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const auto file = searchPath->Open(fileName);
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if (!file.IsOpen())
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return false;
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const auto fileSize = static_cast<size_t>(file.m_length);
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const auto fileData = std::make_unique<char[]>(fileSize);
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file.m_stream->read(fileData.get(), fileSize);
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const auto dataHash = static_cast<unsigned>(crc32(0u, reinterpret_cast<const Bytef*>(fileData.get()), fileSize));
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MemoryManager tempMemory;
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IwiLoader iwiLoader(&tempMemory);
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std::istringstream ss(std::string(fileData.get(), fileSize));
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const auto texture = iwiLoader.LoadIwi(ss);
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if (!texture)
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{
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std::cerr << "Failed to load texture from: " << fileName << "\n";
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return false;
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}
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auto* image = memory->Create<GfxImage>();
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memset(image, 0, sizeof(GfxImage));
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image->name = memory->Dup(assetName.c_str());
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image->hash = Common::R_HashString(image->name, 0);
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image->delayLoadPixels = true;
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image->noPicmip = !texture->HasMipMaps();
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image->width = static_cast<uint16_t>(texture->GetWidth());
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image->height = static_cast<uint16_t>(texture->GetHeight());
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image->depth = static_cast<uint16_t>(texture->GetDepth());
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image->streaming = 1;
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image->streamedParts[0].levelCount = 1;
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image->streamedParts[0].levelSize = static_cast<uint32_t>(fileSize);
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image->streamedParts[0].hash = dataHash & 0x1FFFFFFF;
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image->streamedPartCount = 1;
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manager->AddAsset(ASSET_TYPE_IMAGE, assetName, image);
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return true;
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}
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