Move InventoryGui functions into class
Move BookIconGui functions into class
Move BackpackIconGui functions into class
Move StealIconGui functions into class
Move PickAllIconGui functions into class
Move CloseSecondaryInventoryIconGui functions into class
Move LevelUpIconGui functions into class
Move PurseIconGui functions into class
Move book halo drawing
Move CurrentTorchIcon related code
Use Vec2d
Move pos variable to smaller scope
Move pos variable to smaller scope
Code style
Code style
Remove GL_DECAL_ICONS constant
Indentation
Cleanup
Replace Vec2d with Vec2f
Move ChangeLevelIcon functions into class