Original pixels
The terrain, drawn by the game.
Sixty controlled views from the original software renderer: ten day/night environments, two resolutions and three terrain-distance settings.
These views exercise all ten day/night environments, both resolutions and the three terrain-distance settings. Each image matches in four original builds. The camera positions are controlled test views of mission terrain. Buildings, vehicles and cockpit instruments are covered separately.
| Environment | View | Pixels |
|---|
Camera and rendering evidence
The original code selects the visible cells and polygon order. Independent calculations reproduce projection, clipping, texture interpolation, palette lookup and pixel coverage. Terrain uses perspective correction nearby and screen-linear texture mapping farther away. There is no depth buffer in this original pass.
These are captured images, with the terrain and sky drawn by the original routines. Buildings, vehicles and cockpit art are omitted from this particular test. The corresponding indexed pixels agree across all four executable builds tested. Research notes.