Method loadShadow

framework/apocresources/pck.cpp:459–507

}

sp<ImageSet> PCKLoader::loadShadow(Data &data, UString PckFilename, UString TabFilename,
                                   unsigned shadedIdx)
{
	auto imageSet = mksp<ImageSet>();
	auto tabFile = data.fs.open(TabFilename);
	if (!tabFile)
	{
		LogWarning("Failed to open tab \"%s\"", TabFilename);
		return nullptr;
	}
	auto pckFile = data.fs.open(PckFilename);
	if (!pckFile)
	{
		LogWarning("Failed to open tab \"%s\"", TabFilename);
		return nullptr;
	}
	imageSet->maxSize = {0, 0};

	uint32_t offset = 0;
	unsigned idx = 0;
	while (tabFile.read(reinterpret_cast<char *>(&offset), sizeof(offset)))
	{
		// shadow TAB files store the offset directly
		pckFile.seekg(offset, std::ios::beg);
		if (!pckFile)
		{
			LogError("Failed to seek to offset %u", offset);
			return nullptr;
		}
		auto img = loadShadowImage(pckFile, shadedIdx);
		if (!img)
		{
			LogError("Failed to load image");
			return nullptr;
		}
		imageSet->images.push_back(img);
		img->owningSet = imageSet;
		img->calculateBounds();
		img->indexInSet = idx++;
		if (img->size.x > imageSet->maxSize.x)
			imageSet->maxSize.x = img->size.x;
		if (img->size.y > imageSet->maxSize.y)
			imageSet->maxSize.y = img->size.y;
	}

	LogInfo("Loaded %u images", static_cast<unsigned>(imageSet->images.size()));

	return imageSet;
}

}; // namespace OpenApoc