92 lines
2.3 KiB
GDScript
92 lines
2.3 KiB
GDScript
extends ColorRect
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enum LOAD_STATE { NO_LOAD, BASIC_LOAD, MAP_LOAD, MAP_LOADED }
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const worldManager = preload("res://Levels/world_manager.tscn")
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@export var opaque := 0.0
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@export var transparent := 11.0
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var duration := .5
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var target_scene_path : String
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var mapScene : PackedScene
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var loadState : LOAD_STATE = LOAD_STATE.NO_LOAD
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var loading_status : int
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var progress : Array[float]
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var tween : Tween
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func goto(scene_path : String, _loadState : LOAD_STATE = LOAD_STATE.BASIC_LOAD):
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loadState = _loadState
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target_scene_path = scene_path
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fade_in()
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tween.tween_callback(load_scene)
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func gotoLevel(mapSceneToLoad : String) -> void :
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goto(mapSceneToLoad, LOAD_STATE.MAP_LOAD)
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func load_scene() -> void:
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ResourceLoader.load_threaded_request(target_scene_path) #Fetch loading status and loading scene
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func animate() -> void:
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if tween:
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tween.kill() # Abort the previous animation.
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tween = create_tween()
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func fade_in() -> void:
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animate()
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tween.tween_method(shader_transition, transparent, opaque, duration)
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func fade_out() -> void:
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animate()
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tween.tween_method(shader_transition, opaque, transparent, duration)
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func shader_transition(value) -> void:
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material.set_shader_parameter("progress", value)
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func _process(_delta: float) -> void:
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if loadState == LOAD_STATE.NO_LOAD:
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return
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# Update the status:
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loading_status = ResourceLoader.load_threaded_get_status(target_scene_path, progress)
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if loadState == LOAD_STATE.MAP_LOADED:
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injectMap()
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fade_out()
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loadState = LOAD_STATE.NO_LOAD
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# Check the loading status:
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match loading_status:
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ResourceLoader.THREAD_LOAD_IN_PROGRESS:
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pass
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ResourceLoader.THREAD_LOAD_LOADED:
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# When done loading, change to the target scene:
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var scene = ResourceLoader.load_threaded_get(target_scene_path)
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if loadState == LOAD_STATE.MAP_LOAD:
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mapScene = scene
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get_tree().change_scene_to_packed(worldManager)
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loadState = LOAD_STATE.MAP_LOADED
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if loadState == LOAD_STATE.BASIC_LOAD:
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get_tree().change_scene_to_packed(scene)
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loadState = LOAD_STATE.NO_LOAD
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fade_out()
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ResourceLoader.THREAD_LOAD_FAILED:
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# Well some error happend:
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printerr("Error. Could not load Resource")
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loadState = LOAD_STATE.NO_LOAD
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func injectMap() -> void:
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var node : Node = get_tree().current_scene
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if node is WorldManager:
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node.addMap(mapScene)
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