Function bitmap_loadHD

TheForceEngine/TFE_Jedi/Level/rtexture.cpp:219–288

	}

	void bitmap_loadHD(const char* name, TextureData* texData, s32 scaleFactor, AssetPool pool)
	{
		texData->scaleFactor = 1;
		texData->hdAssetData = nullptr;
		// Verify that the HD texture *can* be loaded first.
		if (pool == POOL_LEVEL && !TFE_Settings::isHdAssetValid(name, HD_ASSET_TYPE_BM))
		{
			return;
		}

		char hdPath[TFE_MAX_PATH];
		FileUtil::replaceExtension(name, "raw", hdPath);

		// If the file doesn't exist, just return - there is no HD asset.
		FilePath filepath;
		if (!TFE_Paths::getFilePath(hdPath, &filepath))
		{
			return;
		}
		FileStream file;
		if (!file.open(&filepath, Stream::MODE_READ))
		{
			return;
		}

		// Load the raw data from disk.
		size_t size = file.getSize();
		s_buffer.resize(size);
		file.readBuffer(s_buffer.data(), (u32)size);
		file.close();

		// Process the data based on the base texture.
		s32 width  = texData->width  * scaleFactor;
		s32 height = texData->height * scaleFactor;
		s32 frameCount = 1;
		if (texData->uvWidth == BM_ANIMATED_TEXTURE)
		{
			const u8* base = texData->image + 2;
			const u32* textureOffsets = (u32*)base;
			const TextureData* frame0 = (TextureData*)(base + textureOffsets[0]);

			width  = frame0->width  * scaleFactor;
			height = frame0->height * scaleFactor;
			frameCount = texData->uvHeight;
		}

		const s32 hdFrameSize = width * height * 4;
		// Verify this is a valid texture.
		if (size != hdFrameSize * frameCount)
		{
			return;
		}

		// Process the HD data.
		texData->scaleFactor = scaleFactor;
		texData->hdAssetData = (u8*)region_alloc(s_texState.memoryRegion, hdFrameSize * frameCount);
		memset(texData->hdAssetData, 0, hdFrameSize * frameCount);