Graphics.PrepareTextureForUse -> Texture.MarkUsed (Doesn't need a graphics context now) Terrain marks all its textures as used for streaming - this could be done more intelligently in the future with certain regions only using certain textures Fix sbuffer packing Fix errors TerrainMaterialEditor autofills _normal _rough etc etc Basic height blend https://files.facepunch.com/matt/1b1711b1/sbox-dev_0JNrWPuC9N.png