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Jessist/addons/awesome_splash/core/BaseTransitionScreen.gd

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2022-06-18 13:05:48 +02:00
extends Node2D
enum TrainsitionType {NONE, FADE, DIAMOND, BLUR, BLUR_AND_FADE, PIXEL}
enum TransitionStatus {NONE, APPEAR, DISSAPPEAR}
# It's not good to put move_to_scene variable in this class
# I want it in a section like skip or custom node
# but I don't find PackedScene in Variant.Type enum.
export(PackedScene) var move_to_scene
export(TrainsitionType) var trainsition_type = TrainsitionType.FADE \
setget _set_transition_type
var fade_value: float setget _set_fade_value
var current_time: float = 0.0
var animation_time: float = 0.0
var status: int = TransitionStatus.NONE
var blur_intensity: float = 4.0
var diamond_size: float = 32.0
var transition_time: float = 1.0
var fade_color: Color = Color.white
var viewport_container: ViewportContainer
var viewport: Viewport
var transition_shader = preload("res://addons/awesome_splash/assets/shader/transition.shader")
var shader_meterial: ShaderMaterial
### BUILD IN ENGINE METHODS ====================================================
func _process(delta):
if status == TransitionStatus.NONE or animation_time <= 0:
set_process(false)
return
current_time += delta
var value = current_time / animation_time
value = min(value, 1.0)
if status == TransitionStatus.APPEAR:
self.fade_value = 1 - value
if current_time >= animation_time:
set_process(false)
_on_finished_animation_screen_appear()
if status == TransitionStatus.DISSAPPEAR:
self.fade_value = value
if current_time >= animation_time:
set_process(false)
_on_finished_animation_screen_disappear()
# overridden function
# call once when node selected. Added to ordinary export
func _get_property_list():
if not Engine.editor_hint or not is_inside_tree():
return []
var property_list = []
if trainsition_type == TrainsitionType.FADE:
property_list.append({
"name": "transition_time",
"type": TYPE_REAL,
"usage": PROPERTY_USAGE_DEFAULT,
"hint": PROPERTY_HINT_NONE,
})
property_list.append({
"name": "fade_color",
"type": TYPE_COLOR ,
"usage": PROPERTY_USAGE_DEFAULT,
"hint": PROPERTY_HINT_NONE,
})
if trainsition_type == TrainsitionType.DIAMOND:
property_list.append({
"name": "diamond_size",
"type": TYPE_REAL,
"usage": PROPERTY_USAGE_DEFAULT,
"hint": PROPERTY_HINT_NONE,
})
property_list.append({
"name": "transition_time",
"type": TYPE_REAL,
"usage": PROPERTY_USAGE_DEFAULT,
"hint": PROPERTY_HINT_NONE,
})
property_list.append({
"name": "fade_color",
"type": TYPE_COLOR ,
"usage": PROPERTY_USAGE_DEFAULT,
"hint": PROPERTY_HINT_NONE,
})
if trainsition_type == TrainsitionType.BLUR:
property_list.append({
"name": "blur_intensity",
"type": TYPE_REAL,
"usage": PROPERTY_USAGE_DEFAULT,
"hint": PROPERTY_HINT_NONE,
})
property_list.append({
"name": "transition_time",
"type": TYPE_REAL,
"usage": PROPERTY_USAGE_DEFAULT,
"hint": PROPERTY_HINT_NONE,
})
if trainsition_type == TrainsitionType.BLUR_AND_FADE:
property_list.append({
"name": "blur_intensity",
"type": TYPE_REAL,
"usage": PROPERTY_USAGE_DEFAULT,
"hint": PROPERTY_HINT_NONE,
})
property_list.append({
"name": "transition_time",
"type": TYPE_REAL,
"usage": PROPERTY_USAGE_DEFAULT,
"hint": PROPERTY_HINT_NONE,
})
property_list.append({
"name": "fade_color",
"type": TYPE_COLOR ,
"usage": PROPERTY_USAGE_DEFAULT,
"hint": PROPERTY_HINT_NONE,
})
if trainsition_type == TrainsitionType.PIXEL:
property_list.append({
"name": "transition_time",
"type": TYPE_REAL,
"usage": PROPERTY_USAGE_DEFAULT,
"hint": PROPERTY_HINT_NONE,
})
return property_list
### PRIVATE METHODS ============================================================
func _setup_transition():
shader_meterial = ShaderMaterial.new()
shader_meterial.shader = transition_shader
shader_meterial.set_shader_param("color", fade_color)
shader_meterial.set_shader_param("diamond_size", diamond_size)
shader_meterial.set_shader_param("blur_intensity", blur_intensity)
shader_meterial.set_shader_param("transition_type", trainsition_type)
viewport = Viewport.new()
viewport_container = ViewportContainer.new()
add_child(viewport_container)
viewport_container.material = shader_meterial
viewport_container.add_child(viewport)
viewport.transparent_bg = true
viewport.own_world = true
get_viewport().connect("size_changed", self, "_update_screen_size_changed")
func _update_screen_size_changed():
var viewport_size = get_viewport_rect().size
viewport.size = viewport_size
viewport_container.rect_min_size = viewport_size
viewport_container.rect_size = viewport_size
func _start_animation_screen_will_appear():
if trainsition_type == TrainsitionType.NONE:
_on_finished_animation_screen_appear()
else:
status = TransitionStatus.APPEAR
animation_time = transition_time
current_time = 0.0
set_process(true)
func _start_animation_screen_will_disappear():
if trainsition_type == TrainsitionType.NONE:
_on_finished_animation_screen_disappear()
else:
status = TransitionStatus.DISSAPPEAR
animation_time = transition_time
current_time = 0.0
set_process(true)
func _on_finished_animation_screen_appear():
status = TransitionStatus.NONE
func _on_finished_animation_screen_disappear():
status = TransitionStatus.NONE
### SETGET METHODS =============================================================
func _set_transition_type(value: int):
trainsition_type = value
property_list_changed_notify() # Call to update UI inspector
func _set_fade_value(value: float):
fade_value = value
self.shader_meterial.set_shader_param("process_value", value)