Method ResolveAllPatches

source/common/textures/multipatchtexturebuilder.cpp:855–938

}

void FMultipatchTextureBuilder::ResolveAllPatches()
{
	for (auto &bi : BuiltTextures)
	{
		ResolvePatches(bi);
	}
	// Now try to resolve the images. We only can do this at the end when all multipatch textures are set up.

	// reverse the list so that the Delete operation in the loop below deletes at the end.
	// For normal sized lists this is of no real concern, but Total Chaos has over 250000 textures where this becomes a performance issue.
	for (unsigned i = 0; i < BuiltTextures.Size() / 2; i++)
	{
		// std::swap is VERY inefficient here...
		BuiltTextures[i].swap(BuiltTextures[BuiltTextures.Size() - 1 - i]);
	}


	while (BuiltTextures.Size() > 0)
	{
		bool donesomething = false;

		for (int i = BuiltTextures.Size()-1; i>= 0; i--)
		{
			auto &buildinfo = BuiltTextures[i];
			bool hasEmpty = false;

			for (unsigned j = 0; j < buildinfo.Inits.Size(); j++)
			{
				if (buildinfo.Parts[j].TexImage == nullptr)
				{
					auto image = buildinfo.Inits[j].GameTexture->GetTexture();
					if (image && image->GetImage() != nullptr)
					{
						buildinfo.Parts[j].TexImage = static_cast<FImageTexture*>(image);
						donesomething = true;
					}
					else hasEmpty = true;
				}
			}
			if (!hasEmpty)
			{
				// If this texture is just a wrapper around a single patch, we can simply
				// use that patch's image directly here.
				checkForHacks(buildinfo);

				bool done = false;
				if (buildinfo.Parts.Size() == 1)
				{
					if (buildinfo.Parts[0].OriginX == 0 && buildinfo.Parts[0].OriginY == 0 &&
						buildinfo.Parts[0].TexImage->GetWidth() == buildinfo.Width &&
						buildinfo.Parts[0].TexImage->GetHeight() == buildinfo.Height &&
						buildinfo.Parts[0].Rotate == 0 &&
						!buildinfo.bComplex)
					{
						AddImageToTexture(buildinfo.Parts[0].TexImage, buildinfo);
						done = true;
					}
				}