ParseImageSrcByOrientation parses the imgSrcByOrientation map.

ResolveImage applies the given imageSrcByOrientation map.

InvalidEntityID is an ID that cannot be used in Tiled.

TileSize is the size of each tile graphics.

Level is a parsed form of a loaded level.

LevelTile is a single tile in the level.

SaveGame is the data structure we save game state with.

SaveGameData is a not-yet-hashed SaveGame.

SaveGameDataV1 is a not-yet-hashed SaveGame.

A Spawnable is a blueprint to create an Entity in a level.

A SpawnableProps is a blueprint to create an Entity but without its position.

A Tile is a single game tile.

WarpZone represents a warp tile.

Contents indicates what kind of tiles/objects we want to hit.

EntityID represents an unique ID of an entity.

PersistentState is how entities retain values across loading/unloading and in save games.