- ShapeRP now handles positions, textures and color multipliers only,
normals, view transforms and light calculations are now in WorldRP
- Renamed WorldRenderer to ShapeRenderHelper
- Moved normal computation to WorldRP code from Face
- No default ShapeRP exists, methods in Faces and Shapes now explicitly
require a program
- Removed unnecessary glBind from texture loader
- Refactored and renamed GLSL code
- Added a view bobbing test, enable with I_WANT_TO_THROW_UP in
LayerWorld
