Reimplementation progress tracking

[Lyuu17]

• ucfb file (.lvl) parsing and implementation
• • wrld. Terrain name, Sky name, inst (level objects)
• • modl. Models and their segments
• • Locl. Localization per language encoded in char16_t
• • tex_. Textures
• • lvl_. Gamemodes and some stuff. Partially implemented.
• • sky_. Partially implemented
• • lght_. Static lights (sun, ...) Partially implemented
• • tern_. Terrain
• • scr_. Lua scripts
• Minimap
• Character
• Animations
• Mission.lvl file
• Lua functions