The engine is currently set up as a KPRadiant .map file viewer.

CSG now added.
Spatial partitioning yet to be completed in this version. Depending on final use it will be either BSP or Octree

 

Features include:

Automatic texture MIP map generation
Movement around the world (no physics or collision)
BMP and TGA bitmap loading / control engine
Transparent textures (Alpha / non-alpha channel)