Function GetRawPixels

source/core/textures/tiletexture.cpp:242–270

static TMap<int, RawCacheNode> CacheNodes;

const uint8_t* GetRawPixels(FTextureID texid)
{
	if (!texid.isValid()) return nullptr;
	auto gtex = TexMan.GetGameTexture(texid);
	auto tex = dynamic_cast<FImageTexture*>(gtex->GetTexture());

	if (!tex || !tex->GetImage()) return nullptr;
	auto img = tex->GetImage();
	auto timg = dynamic_cast<FTileTexture*>(img);
	if (!timg || !timg->GetRawData())
	{
		auto cache = CacheNodes.CheckKey(texid.GetIndex());
		if (cache)
		{
			cache->lastUseTime = I_nsTime();
			return cache->data.Data();
		}
		RawCacheNode newnode;
		newnode.data = img->GetPalettedPixels(0);
		newnode.lastUseTime = I_nsTime();
		auto retval =newnode.data.Data();
		CacheNodes.Insert(texid.GetIndex(), std::move(newnode));
		return retval;
	}
	else
	{
		return timg->GetRawData();
	}
}

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