AddEntities adds entities with engine and game components.

AddEntityComponents adds loaded components to an entity.

InitAudio creates a new audio context.

LoadAudio loads an audio file and returns an audio player.

LoadControls loads controls from a TOML file.

LoadEngineComponents loads engine components from a TOML byte slice.

LoadEntities creates entities with components from a TOML file.

LoadFonts loads fonts from a TOML file.

LoadSpriteSheets loads sprite sheets from a TOML file.

EngineComponentList is the list of engine components.

EntityComponentList is a list of preloaded entities with components.