FADE SYSTEM :3

control.tscn

@@ -6,6 +6,9 @@
 [ext_resource path="res://scripts/crt.gdshader" type="Shader" id=4]
 [ext_resource path="res://scripts/2ndpuberty_no_dropshadow.tres" type="Theme" id=5]
 [ext_resource path="res://scripts/2ndpuberty_outline.tres" type="Material" id=6]
+[ext_resource path="res://graphics/fade_patterns/diamonds.png" type="Texture" id=7]
+[ext_resource path="res://scripts/fade.gd" type="Script" id=8]
+[ext_resource path="res://scripts/fade.gdshader" type="Shader" id=9]
 
 [sub_resource type="ShaderMaterial" id=1]
 shader = ExtResource( 4 )
@@ -15,6 +18,43 @@ shader_param/curvature = Vector2( 6, 6 )
 shader_param/scanline_opacity = Vector2( 0.4, 0.05 )
 shader_param/brightness = 1.25
 
+[sub_resource type="ShaderMaterial" id=6]
+shader = ExtResource( 9 )
+shader_param/color = Color( 0, 0, 0, 1 )
+shader_param/smooth_mode = false
+shader_param/reverse = false
+shader_param/opacity = 0.0
+
+[sub_resource type="Animation" id=7]
+resource_name = "FadeIn"
+tracks/0/type = "value"
+tracks/0/path = NodePath("TextureRect:material:shader_param/opacity")
+tracks/0/interp = 1
+tracks/0/loop_wrap = true
+tracks/0/imported = false
+tracks/0/enabled = true
+tracks/0/keys = {
+"times": PoolRealArray( 0, 1 ),
+"transitions": PoolRealArray( 1, 1 ),
+"update": 0,
+"values": [ 1.0, 0.0 ]
+}
+
+[sub_resource type="Animation" id=8]
+resource_name = "FadeOut"
+tracks/0/type = "value"
+tracks/0/path = NodePath("TextureRect:material:shader_param/opacity")
+tracks/0/interp = 1
+tracks/0/loop_wrap = true
+tracks/0/imported = false
+tracks/0/enabled = true
+tracks/0/keys = {
+"times": PoolRealArray( 0, 1 ),
+"transitions": PoolRealArray( 1, 1 ),
+"update": 0,
+"values": [ 0.0, 1.0 ]
+}
+
 [node name="Control" type="Control"]
 pause_mode = 2
 anchor_right = 1.0
@@ -52,7 +92,7 @@ render_target_update_mode = 3
 [node name="LevelSelect" parent="ViewportContainer/Viewport" instance=ExtResource( 3 )]
 
 [node name="CheatLayer" type="CanvasLayer" parent="ViewportContainer/Viewport"]
-layer = 127
+layer = 120
 
 [node name="CheatLabel" type="Label" parent="ViewportContainer/Viewport/CheatLayer"]
 material = ExtResource( 6 )
@@ -63,3 +103,22 @@ margin_bottom = -5.0
 theme = ExtResource( 5 )
 align = 2
 valign = 2
+
+[node name="FadeLayer" type="CanvasLayer" parent="ViewportContainer/Viewport"]
+pause_mode = 2
+layer = 128
+script = ExtResource( 8 )
+
+[node name="TextureRect" type="TextureRect" parent="ViewportContainer/Viewport/FadeLayer"]
+material = SubResource( 6 )
+margin_right = 255.994
+margin_bottom = 192.0
+texture = ExtResource( 7 )
+expand = true
+stretch_mode = 6
+
+[node name="AnimationPlayer" type="AnimationPlayer" parent="ViewportContainer/Viewport/FadeLayer"]
+anims/FadeIn = SubResource( 7 )
+anims/FadeOut = SubResource( 8 )
+
+[connection signal="animation_finished" from="ViewportContainer/Viewport/FadeLayer/AnimationPlayer" to="ViewportContainer/Viewport/FadeLayer" method="_fade_finished"]

game.gd

@@ -5,6 +5,7 @@ onready var viewport = get_parent().get_node("Main/Control/ViewportContainer/Vie
 var current_sector = Vector2(0,0)
 var fullscreen = false
 #Onreadys
+onready var fade = viewport.get_node("FadeLayer")
 onready var viewport_container = get_parent().get_node("Main/Control/ViewportContainer")
 #Collectibles
 var golds = 0
@@ -77,6 +78,11 @@ func get_map():
 
 #Go to new map
 func change_map(map):
+	get_tree().paused = true
+	can_pause = false
+	fade.fade_out(0.4)
+	yield(fade, "fade_finished")
+	can_pause = true
 	clear_collectibles()
 	#Loop is so no more than one level is loaded at a time
 	for maps in get_tree().get_nodes_in_group("map"):

graphics/fade_patterns/diamonds.png.import

@@ -0,0 +1,35 @@
+[remap]
+
+importer="texture"
+type="StreamTexture"
+path="res://.import/diamonds.png-1b6afccd789d89c964ce5cbd8de4f0ae.stex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://graphics/fade_patterns/diamonds.png"
+dest_files=[ "res://.import/diamonds.png-1b6afccd789d89c964ce5cbd8de4f0ae.stex" ]
+
+[params]
+
+compress/mode=0
+compress/lossy_quality=0.7
+compress/hdr_mode=0
+compress/bptc_ldr=0
+compress/normal_map=0
+flags/repeat=0
+flags/filter=false
+flags/mipmaps=false
+flags/anisotropic=false
+flags/srgb=2
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/HDR_as_SRGB=false
+process/invert_color=false
+process/normal_map_invert_y=false
+stream=false
+size_limit=0
+detect_3d=true
+svg/scale=1.0

maps/level_select.gd

@@ -31,6 +31,7 @@ export var target_time_any = 0
 
 # Called when the node enters the scene tree for the first time.
 func _ready():
+	Game.fade.fade_in(0.000000000000001)
 	change_current_level(Game.current_level)
 	Game.ac_music.stop()
 

maps/map.gd

@@ -9,6 +9,11 @@ var life_bonus = true
 var collectible_bonus = false
 
 func _ready():
+	get_tree().paused = true
+	Game.can_pause = false
+	Game.fade.fade_in(0.4)
+	Game.fade.connect("fade_finished", get_tree(), "set_pause", [false], CONNECT_ONESHOT)
+	Game.fade.connect("fade_finished", Game, "set", ["can_pause", true], CONNECT_ONESHOT)
 	Game.play_music(music)
 
 func _physics_process(delta):

scripts/fade.gd

@@ -0,0 +1,18 @@
+extends CanvasLayer
+
+signal fade_finished
+
+func fade_in(time, reverse = false, color = Color.black):
+	var rect = $TextureRect
+	rect.material.set_shader_param("color", color)
+	rect.material.set_shader_param("reverse", reverse)
+	$AnimationPlayer.play("FadeIn", -1, 1.0 / time)
+
+func fade_out(time, reverse = false, color = Color.black):
+	var rect = $TextureRect
+	rect.material.set_shader_param("color", color)
+	rect.material.set_shader_param("reverse", reverse)
+	$AnimationPlayer.play("FadeOut", -1, 1.0 / time)
+
+func _fade_finished(anim_name):
+	emit_signal("fade_finished")

scripts/fade.gdshader

@@ -0,0 +1,44 @@
+shader_type canvas_item;
+
+/*
+MIT License
+
+Copyright (c) 2019 Tomek
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+*/
+
+uniform vec4 color : hint_color;
+uniform bool smooth_mode = false;
+uniform bool reverse = false;
+uniform float opacity : hint_range(0, 1);
+
+void fragment() {
+	float alpha = texture(TEXTURE, UV).r;
+	if (reverse) {
+		alpha = clamp(1.0 - alpha, 0.0, 1.0);
+	}
+	
+	if (smooth_mode) {
+		alpha = mix(0.0, 1.0, clamp(alpha - 1.0 + opacity * 2.0, 0.0, 1.0));
+	} else {
+		alpha = clamp(ceil(alpha + opacity * 1.00001 - 1.0), 0.0, 1.0);
+	}
+	COLOR = vec4(color.rgb, alpha);
+}