SourceType
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The SourceType property determines the type of the Entity at the highest level. Changing the SourceType results in different options being available in the . Available SourceTypes are:
File
FlatRedBallType
Entity
Gum
Note that the same object in a base and derived screen may use different SourceTypes. For example, a Map object in GameScreen may use a FlatRedBallType, but each level uses File.
If an object's SourceType is File, then the object is defined by a file. If the object is created in a Screen, then the object is referencing either a part or the entirety of the file. If the object is an Entity then the object may be a reference to the file or a copy of the file if the file has a runtime type such as a Tiled TMX being loaded into a MapDrawableBatch.
A common example of an object which uses the File type is the Map object in derived levels.
FlatRedBallType means that the Object will be a standard FlatRedBall type such as Sprite, Circle, Layer, or PositionedObjectList. FlatRedBallType is usually used in the following situations:
An object which uses a FlatRedBall type (such as Sprite) but its definition is simple enough that it doesn't merit the creation of an entire file to define it. Glue can modify Object properties on FlatRedBall types through the object itself (it automatically exposes a small set of variables) or through tunneled variables.
An object which will be assigned to data from a file dynamically. This type may get set in reaction to a property being set on an Entity or Screen after initialization.
An object which will be assigned to a File in a derived Entity. The base Entity must define the type of the object, and using FlatRedBallType (along with the appropriate SourceType) can accomplish this.
The Entity SourceType identifies the Object as an instance of an Entity created in your project.
For more information on File objects, see the page.
