First commit 🎉

addons/popochiu/engine/objects/character/popochiu_character_data.gd

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+@icon('res://addons/popochiu/icons/character.png')
+class_name PopochiuCharacterData
+extends Resource
+## This class is used to store information when saving and loading the game. It also ensures that
+## the data remains throughout the game's execution.
+
+## The identifier of the object used in scripts.
+@export var script_name := ''
+## The path to the scene file to be used when adding the character to the game during runtime.
+@export_file("*.tscn") var scene := ''
+
+
+#region Virtual ####################################################################################
+## Called when the game is saved.
+## [i]Virtual[/i].
+func _on_save() -> Dictionary:
+	return {}
+
+
+## Called when the game is loaded. The structure of [param data] is the same returned by
+## [method _on_save].
+## [i]Virtual[/i].
+func _on_load(_data: Dictionary) -> void:
+	pass
+
+
+#endregion
+
+#region Public #####################################################################################
+## Use this to store custom data when saving the game. The returned [Dictionary] must contain only
+## JSON supported types: [bool], [int], [float], [String].
+func on_save() -> Dictionary:
+	return _on_save()
+
+
+## Called when the game is loaded. [param data] will have the same structure you defined for the
+## returned [Dictionary] by [method _on_save].
+func on_load(data: Dictionary) -> void:
+	_on_load(data)
+
+
+#endregion