Un shader de transition entre les scènes

ça fait plus propre braw

caracters/player/player_controler.gd

@@ -22,7 +22,6 @@ func _ready() -> void:
 	cam.limit_bottom = bottom_right_global.y - 24
 
 func _unhandled_input(event: InputEvent) -> void:
-	print(human.get_feet_global_position())
 	human.stop_interaction()
 	human.velocityVector = Vector2(0, 0)
 	human.wants_to_grab = false
@@ -30,7 +29,6 @@ func _unhandled_input(event: InputEvent) -> void:
 	human.velocityVector = Input.get_vector("move_left", "move_right", "move_up", "move_down")
 	if human.velocityVector != Vector2(0, 0):
 		GameState.isUsingTouch = false
-	else:
 		update_game_state()
 
 	if event.is_action_pressed("grab"):

game_state.gd

@@ -22,6 +22,7 @@ func update_position(p: Vector2):
 			position_outside = p
 		"bakery":
 			position_bakery = p
+	print (current_scene, " position ", p)
 
 func save():
 	var ret = {}

scenes/bakery.gd

@@ -8,6 +8,7 @@ func _ready() -> void:
 	load_from_game_state()
 
 func load_from_game_state():
+	print("setting player in bakery at ", GameState.position_bakery)
 	$Bakery/player.set_feet_global_position(GameState.position_bakery)
 	emit_signal("loadFromGameState")
 

scenes/game.gd

@@ -3,6 +3,9 @@ class_name GameControler
 
 func _unhandled_input(event: InputEvent) -> void:
 	if event.is_action_pressed("menu"):
+		if prev_scene == menu:
+			start_game()
+		else:
 			open_menu()
 
 # list of scenes
@@ -11,41 +14,46 @@ var dest_outside = preload("res://scenes/outside.tscn")
 var bakery:Node2D = null
 var dest_bakery = preload("res://scenes/bakery_interior.tscn")
 var menu = null
+var prev_scene = null
 
 func _ready() -> void:
 	GameState._game = self
+	menu = get_child(0)
+	prev_scene = menu
 
 func start_game():
-	menu = get_child(0)
 	switch_to(GameState.current_scene)
 				
 func switch_to(to: String):
 	call_deferred("switch_scene", to)
 
+var next_scene = null
+var toMenu = false;
+var switching_to
+
 func switch_scene(to: String):
-	var prev = get_child(0)
-	GameState.current_scene = to
-	var scene
+	switching_to= to
+	print("switching to", switching_to)
+	toMenu = to == "menu"
 	match to:
 		"outside":
 			if outside == null:
 				outside = dest_outside.instantiate()
-			scene = outside
+			next_scene = outside
 		"bakery":
 			if bakery == null:
 				bakery = dest_bakery.instantiate()
-			scene = bakery
-	scene.unload()
-	call_deferred("add_child", scene)
-	call_deferred("remove_child", prev)
-	call_deferred("init_scence", scene)
+			next_scene = bakery
+		"menu":
+			next_scene = menu
+	$TransitionShader.fade_out()
 
 func init_scence(scene):
 	scene.load_from_game_state()
+	$TransitionShader.fade_in()
 
 func open_menu():
-	remove_child(get_child(0))
-	add_child(menu)
+	switch_scene("menu")
 	
 func load_game():
 	var save_file = FileAccess.open("user://savegame.save", FileAccess.READ)
@@ -62,3 +70,19 @@ func save_game():
 	save_file.store_line(JSON.stringify(GameState.save(), "  ", true, true))
 	print(OS.get_data_dir())
 	save_file.close()
+
+func _on_transition_shader_fade_in_done() -> void:
+	if !toMenu:
+		GameState.current_scene = switching_to
+
+func _on_transition_shader_fade_out_done() -> void:
+	print("fade out done")
+	if !toMenu:
+		next_scene.unload()
+	call_deferred("add_child", next_scene)
+	call_deferred("remove_child", prev_scene)
+	if !toMenu:
+		call_deferred("init_scence", next_scene)
+	else:
+		$TransitionShader.fade_in()
+	prev_scene = next_scene

scenes/game.tscn

@@ -1,13 +1,18 @@
-[gd_scene load_steps=3 format=3 uid="uid://c645h6ap7niu1"]
+[gd_scene load_steps=4 format=3 uid="uid://c645h6ap7niu1"]
 
 [ext_resource type="PackedScene" uid="uid://44wla7mlivqm" path="res://UI/menu.tscn" id="1_64gp8"]
 [ext_resource type="Script" path="res://scenes/game.gd" id="1_b2ju7"]
+[ext_resource type="PackedScene" uid="uid://17macg0q4k8l" path="res://shaders/transition_shader.tscn" id="3_2p7jc"]
 
 [node name="Game" type="Node2D"]
 script = ExtResource("1_b2ju7")
 
 [node name="Menu" parent="." instance=ExtResource("1_64gp8")]
 
+[node name="TransitionShader" parent="." instance=ExtResource("3_2p7jc")]
+
 [connection signal="load" from="Menu" to="." method="load_game"]
 [connection signal="save" from="Menu" to="." method="save_game"]
 [connection signal="start" from="Menu" to="." method="start_game"]
+[connection signal="fade_in_done" from="TransitionShader" to="." method="_on_transition_shader_fade_in_done"]
+[connection signal="fade_out_done" from="TransitionShader" to="." method="_on_transition_shader_fade_out_done"]

shaders/masks/curtain.png.import

@@ -0,0 +1,36 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://b5mne7k2hxq4m"
+path.s3tc="res://.godot/imported/curtain.png-5dbd4676444a95ae3c4ec4f3e7000c6e.s3tc.ctex"
+path.etc2="res://.godot/imported/curtain.png-5dbd4676444a95ae3c4ec4f3e7000c6e.etc2.ctex"
+metadata={
+"imported_formats": ["s3tc_bptc", "etc2_astc"],
+"vram_texture": true
+}
+
+[deps]
+
+source_file="res://shaders/masks/curtain.png"
+dest_files=["res://.godot/imported/curtain.png-5dbd4676444a95ae3c4ec4f3e7000c6e.s3tc.ctex", "res://.godot/imported/curtain.png-5dbd4676444a95ae3c4ec4f3e7000c6e.etc2.ctex"]
+
+[params]
+
+compress/mode=2
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=true
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=0

shaders/masks/shards.png.import

@@ -0,0 +1,36 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://dwn3g5smhhcb0"
+path.s3tc="res://.godot/imported/shards.png-8f1a380663fac4b8c90fd5ea54d3ed72.s3tc.ctex"
+path.etc2="res://.godot/imported/shards.png-8f1a380663fac4b8c90fd5ea54d3ed72.etc2.ctex"
+metadata={
+"imported_formats": ["s3tc_bptc", "etc2_astc"],
+"vram_texture": true
+}
+
+[deps]
+
+source_file="res://shaders/masks/shards.png"
+dest_files=["res://.godot/imported/shards.png-8f1a380663fac4b8c90fd5ea54d3ed72.s3tc.ctex", "res://.godot/imported/shards.png-8f1a380663fac4b8c90fd5ea54d3ed72.etc2.ctex"]
+
+[params]
+
+compress/mode=2
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=true
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=0

shaders/transition_shader.gd

@@ -0,0 +1,20 @@
+extends CanvasLayer
+
+signal fade_in_done()
+signal fade_out_done()
+
+@onready var player := $TransitionShader/AnimationPlayer as AnimationPlayer
+
+func fade_in():
+	player.play(&"fade_in")
+
+func fade_out():
+	visible = true
+	player.play(&"fade_out")
+
+func _on_animation_player_animation_finished(anim_name: StringName) -> void:
+	if anim_name == "fade_in":
+		fade_in_done.emit()
+		visible = false
+	elif anim_name == "fade_out":
+		fade_out_done.emit()

shaders/transition_shader.gdshader

@@ -0,0 +1,16 @@
+shader_type canvas_item;
+render_mode unshaded;
+
+uniform float cutoff: hint_range(0.0, 1.0);
+uniform float smooth_size: hint_range(0.0, 0.1);
+uniform sampler2D mask: hint_default_black;
+
+void fragment() {
+    float value = texture(mask, UV).r;
+    float alpha = smoothstep(
+        cutoff,
+        cutoff + smooth_size,
+        value * (1.0 - smooth_size) + smooth_size
+    );
+    COLOR = vec4(COLOR.rgb, alpha);
+}

shaders/transition_shader.tscn

@@ -0,0 +1,71 @@
+[gd_scene load_steps=8 format=3 uid="uid://17macg0q4k8l"]
+
+[ext_resource type="Script" path="res://shaders/transition_shader.gd" id="1_aj5xt"]
+[ext_resource type="Shader" path="res://shaders/transition_shader.gdshader" id="1_kyfmm"]
+[ext_resource type="Texture2D" uid="uid://b5mne7k2hxq4m" path="res://shaders/masks/curtain.png" id="2_pg1r4"]
+
+[sub_resource type="ShaderMaterial" id="ShaderMaterial_g48os"]
+shader = ExtResource("1_kyfmm")
+shader_parameter/cutoff = 0.0
+shader_parameter/smooth_size = 0.1
+shader_parameter/mask = ExtResource("2_pg1r4")
+
+[sub_resource type="Animation" id="Animation_yg4ht"]
+resource_name = "fade_in"
+length = 0.5
+tracks/0/type = "value"
+tracks/0/imported = false
+tracks/0/enabled = true
+tracks/0/path = NodePath(".:material:shader_parameter/cutoff")
+tracks/0/interp = 1
+tracks/0/loop_wrap = true
+tracks/0/keys = {
+"times": PackedFloat32Array(0.2, 0.4),
+"transitions": PackedFloat32Array(1, 0.450625),
+"update": 0,
+"values": [0.0, 1.0]
+}
+
+[sub_resource type="Animation" id="Animation_mavdc"]
+resource_name = "fade_out"
+length = 0.25
+tracks/0/type = "value"
+tracks/0/imported = false
+tracks/0/enabled = true
+tracks/0/path = NodePath(".:material:shader_parameter/cutoff")
+tracks/0/interp = 1
+tracks/0/loop_wrap = true
+tracks/0/keys = {
+"times": PackedFloat32Array(0, 0.2),
+"transitions": PackedFloat32Array(1, 1),
+"update": 0,
+"values": [1.0, 0.0]
+}
+
+[sub_resource type="AnimationLibrary" id="AnimationLibrary_kedvi"]
+_data = {
+"fade_in": SubResource("Animation_yg4ht"),
+"fade_out": SubResource("Animation_mavdc")
+}
+
+[node name="CanvasLayer" type="CanvasLayer"]
+visible = false
+script = ExtResource("1_aj5xt")
+
+[node name="TransitionShader" type="ColorRect" parent="."]
+material = SubResource("ShaderMaterial_g48os")
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+size_flags_horizontal = 3
+size_flags_vertical = 3
+color = Color(0, 0, 0, 1)
+
+[node name="AnimationPlayer" type="AnimationPlayer" parent="TransitionShader"]
+libraries = {
+"": SubResource("AnimationLibrary_kedvi")
+}
+
+[connection signal="animation_finished" from="TransitionShader/AnimationPlayer" to="." method="_on_animation_player_animation_finished"]

vehicules/car.tscn

@@ -563,6 +563,7 @@ debugLabel = NodePath("Label")
 texture = ExtResource("4_0kman")
 hframes = 12
 vframes = 4
+frame = 46
 
 [node name="AnimationPlayer" type="AnimationPlayer" parent="."]
 root_node = NodePath("../..")
@@ -588,6 +589,7 @@ shape = SubResource("CapsuleShape2D_l8rwt")
 position = Vector2(1, 2)
 rotation = -3.14159
 shape = SubResource("CapsuleShape2D_l8rwt")
+disabled = true
 
 [node name="Label" type="Label" parent="."]
 offset_left = 72.0