Use multi draw indirect in renderer

Remove old hlsl shaders

Unified vertex format for renderer

Fix vulkan queue priority not being set correctly

Switch renderer to bind one big texture array

Misc renderer changes

Track permanent textures with TextureManager

Fix texture loading bug

Shader include support

Global texture tracking and reference counting

Initial port of primitive rendering code

Store shader object constants in buffer

Import improvements

Chunk import + loading in map view

Port high lod terrain and rock import + render