* Returns the text element in the map that has the given id.
* Returns all elements in the text map.
* Returns a text renderer reference.
* Register a text entity to the text system. * Returns reference to this so it can be used in a stream.
* Remove the given text entity from the text map. * Returns reference to this so it can be used in a stream.
* Remove the text entity that has the given id from the text map. * Returns reference to this so it can be used in a stream.
* System class holding basic text functionality. * It contains references to the TextRenderer, TextShader and Scene. * It also contains a map with all texts in the current scene.