Add main.cpp
Add gamelogic utilities
Add gamelogic::Entity interface
Add states::Ingame_state
Add gamelogic::Actor base class
Add content::Packman
Add gamelogic::Tile base class
Add content::Wall
Add gamelogic::Level
Add example level
Use ingame state as splash.post
Update README.md
Add content::Ghost
Make packman die on ghost collision
Add content::Dot
fixup! Add gamelogic::Actor base class
fixup! Add content::Packman