mapping

I understand that on some maps you can take matter throwing a knife you can make zombie hands and took matter

You can convert minecraft maps to source engine maps. The tool is called Sourcecraft. https://www.minecraftforum.net/forums/mapping-and-modding-java-edition/minecraft-tools/1262588-2-12-sourcecraft-create-maps-for-the-source Obviously everything in minecraft is blocks, so they number of...