Godot Stairs

This is an implementation of stair stepping based on Shifty's Godot Character Movement Manifesto and Collision Response: How to Climb a Staircase Properly.

TrenchBroom and Qodot are used for map building.

Kenney's Prototype Textures is used for texturing.

Garbaj FPS Controller is used for basic movement.

Old Godot 3.5+ compatible branch: 3.5