Updated the project for Godot 4.x

9 files changed, 89 insertions, 503 deletions

diff --git a/addons/crt_shader/CRTCanvasLayer.tscn b/addons/crt_shader/CRTCanvasLayer.tscn
deleted file mode 100644
index 7292765..0000000
--- a/addons/crt_shader/CRTCanvasLayer.tscn
+++ /dev/null
@@ -1,442 +0,0 @@
-[gd_scene load_steps=8 format=2]
-
-[ext_resource path="res://addons/crt_shader/CRTShader.gd" type="Script" id=1]
-[ext_resource path="res://addons/crt_shader/ShaderScreen.material" type="Material" id=2]
-[ext_resource path="res://addons/crt_shader/CRTFrame.png" type="Texture" id=3]
-
-[sub_resource type="Animation" id=4]
-resource_name = "Glitch"
-length = 0.4
-step = 0.02
-tracks/0/type = "value"
-tracks/0/path = NodePath(".:material:shader_param/BarrelPower")
-tracks/0/interp = 1
-tracks/0/loop_wrap = true
-tracks/0/imported = false
-tracks/0/enabled = true
-tracks/0/keys = {
-"times": PoolRealArray( 0, 0.18, 0.2, 0.4 ),
-"transitions": PoolRealArray( 1, 1, 1, 1 ),
-"update": 0,
-"values": [ 1.1, 1.1, 1.15, 1.1 ]
-}
-tracks/1/type = "value"
-tracks/1/path = NodePath(".:material:shader_param/color_bleeding")
-tracks/1/interp = 1
-tracks/1/loop_wrap = true
-tracks/1/imported = false
-tracks/1/enabled = true
-tracks/1/keys = {
-"times": PoolRealArray( 0, 0.16, 0.2, 0.4 ),
-"transitions": PoolRealArray( 1, 1, 1, 1 ),
-"update": 0,
-"values": [ 2.0, 5.0, 5.0, 2.0 ]
-}
-tracks/2/type = "value"
-tracks/2/path = NodePath(".:material:shader_param/bleeding_range_x")
-tracks/2/interp = 1
-tracks/2/loop_wrap = true
-tracks/2/imported = false
-tracks/2/enabled = true
-tracks/2/keys = {
-"times": PoolRealArray( 0, 0.16, 0.2, 0.4 ),
-"transitions": PoolRealArray( 1, 1, 1, 1 ),
-"update": 0,
-"values": [ 1.5, -4.0, -4.0, 1.5 ]
-}
-tracks/3/type = "value"
-tracks/3/path = NodePath(".:material:shader_param/bleeding_range_y")
-tracks/3/interp = 1
-tracks/3/loop_wrap = true
-tracks/3/imported = false
-tracks/3/enabled = true
-tracks/3/keys = {
-"times": PoolRealArray( 0, 0.16, 0.2, 0.4 ),
-"transitions": PoolRealArray( 1, 1, 1, 1 ),
-"update": 0,
-"values": [ 1.5, -1.0, -1.0, 1.5 ]
-}
-tracks/4/type = "value"
-tracks/4/path = NodePath(".:material:shader_param/lines_distance")
-tracks/4/interp = 1
-tracks/4/loop_wrap = true
-tracks/4/imported = false
-tracks/4/enabled = true
-tracks/4/keys = {
-"times": PoolRealArray( 0, 0.16, 0.2, 0.4 ),
-"transitions": PoolRealArray( 1, 1, 1, 1 ),
-"update": 0,
-"values": [ 3.0, 0.0, 0.0, 3.0 ]
-}
-tracks/5/type = "value"
-tracks/5/path = NodePath(".:material:shader_param/scan_size")
-tracks/5/interp = 1
-tracks/5/loop_wrap = true
-tracks/5/imported = false
-tracks/5/enabled = true
-tracks/5/keys = {
-"times": PoolRealArray( 0, 0.16, 0.2, 0.4 ),
-"transitions": PoolRealArray( 1, 1, 1, 1 ),
-"update": 0,
-"values": [ 2.0, 1.0, 1.0, 2.0 ]
-}
-tracks/6/type = "value"
-tracks/6/path = NodePath(".:material:shader_param/scanline_alpha")
-tracks/6/interp = 1
-tracks/6/loop_wrap = true
-tracks/6/imported = false
-tracks/6/enabled = true
-tracks/6/keys = {
-"times": PoolRealArray( 0, 0.16, 0.2, 0.4 ),
-"transitions": PoolRealArray( 1, 1, 1, 1 ),
-"update": 0,
-"values": [ 0.9, 0.0, 0.0, 0.9 ]
-}
-tracks/7/type = "value"
-tracks/7/path = NodePath(".:material:shader_param/lines_velocity")
-tracks/7/interp = 1
-tracks/7/loop_wrap = true
-tracks/7/imported = false
-tracks/7/enabled = true
-tracks/7/keys = {
-"times": PoolRealArray( 0, 0.16, 0.2, 0.4 ),
-"transitions": PoolRealArray( 1, 1, 1, 1 ),
-"update": 0,
-"values": [ 40.0, 0.0, 0.0, 40.0 ]
-}
-tracks/8/type = "method"
-tracks/8/path = NodePath(".")
-tracks/8/interp = 1
-tracks/8/loop_wrap = true
-tracks/8/imported = false
-tracks/8/enabled = true
-tracks/8/keys = {
-"times": PoolRealArray( 0.18 ),
-"transitions": PoolRealArray( 1 ),
-"values": [ {
-"args": [  ],
-"method": "call_funcref"
-} ]
-}
-
-[sub_resource type="Animation" id=6]
-resource_name = "GlitchLoop"
-length = 0.6
-loop = true
-step = 0.02
-tracks/0/type = "value"
-tracks/0/path = NodePath(".:material:shader_param/BarrelPower")
-tracks/0/interp = 1
-tracks/0/loop_wrap = true
-tracks/0/imported = false
-tracks/0/enabled = true
-tracks/0/keys = {
-"times": PoolRealArray( 0 ),
-"transitions": PoolRealArray( 1 ),
-"update": 0,
-"values": [ 1.1 ]
-}
-tracks/1/type = "value"
-tracks/1/path = NodePath(".:material:shader_param/color_bleeding")
-tracks/1/interp = 1
-tracks/1/loop_wrap = true
-tracks/1/imported = false
-tracks/1/enabled = true
-tracks/1/keys = {
-"times": PoolRealArray( 0, 0.3, 0.34 ),
-"transitions": PoolRealArray( 1, 1, 1 ),
-"update": 0,
-"values": [ 2.0, 3.0, 3.0 ]
-}
-tracks/2/type = "value"
-tracks/2/path = NodePath(".:material:shader_param/bleeding_range_x")
-tracks/2/interp = 1
-tracks/2/loop_wrap = true
-tracks/2/imported = false
-tracks/2/enabled = true
-tracks/2/keys = {
-"times": PoolRealArray( 0, 0.3, 0.34 ),
-"transitions": PoolRealArray( 1, 1, 1 ),
-"update": 0,
-"values": [ 2.0, -4.0, -4.0 ]
-}
-tracks/3/type = "value"
-tracks/3/path = NodePath(".:material:shader_param/bleeding_range_y")
-tracks/3/interp = 1
-tracks/3/loop_wrap = true
-tracks/3/imported = false
-tracks/3/enabled = true
-tracks/3/keys = {
-"times": PoolRealArray( 0, 0.3, 0.34 ),
-"transitions": PoolRealArray( 1, 1, 1 ),
-"update": 0,
-"values": [ 2.0, -2.0, -2.0 ]
-}
-tracks/4/type = "value"
-tracks/4/path = NodePath(".:material:shader_param/lines_distance")
-tracks/4/interp = 1
-tracks/4/loop_wrap = true
-tracks/4/imported = false
-tracks/4/enabled = true
-tracks/4/keys = {
-"times": PoolRealArray( 0 ),
-"transitions": PoolRealArray( 1 ),
-"update": 0,
-"values": [ 3.0 ]
-}
-tracks/5/type = "value"
-tracks/5/path = NodePath(".:material:shader_param/scan_size")
-tracks/5/interp = 1
-tracks/5/loop_wrap = true
-tracks/5/imported = false
-tracks/5/enabled = true
-tracks/5/keys = {
-"times": PoolRealArray( 0, 0.3, 0.34 ),
-"transitions": PoolRealArray( 1, 1, 1 ),
-"update": 0,
-"values": [ 3.0, 1.0, 1.0 ]
-}
-tracks/6/type = "value"
-tracks/6/path = NodePath(".:material:shader_param/scanline_alpha")
-tracks/6/interp = 1
-tracks/6/loop_wrap = true
-tracks/6/imported = false
-tracks/6/enabled = true
-tracks/6/keys = {
-"times": PoolRealArray( 0 ),
-"transitions": PoolRealArray( 1 ),
-"update": 0,
-"values": [ 0.8 ]
-}
-tracks/7/type = "value"
-tracks/7/path = NodePath(".:material:shader_param/lines_velocity")
-tracks/7/interp = 1
-tracks/7/loop_wrap = true
-tracks/7/imported = false
-tracks/7/enabled = true
-tracks/7/keys = {
-"times": PoolRealArray( 0, 0.3, 0.34 ),
-"transitions": PoolRealArray( 1, 1, 1 ),
-"update": 0,
-"values": [ 20.0, 0.0, 0.0 ]
-}
-
-[sub_resource type="Animation" id=7]
-resource_name = "Glitch_Start"
-length = 0.22
-step = 0.02
-tracks/0/type = "value"
-tracks/0/path = NodePath(".:material:shader_param/BarrelPower")
-tracks/0/interp = 1
-tracks/0/loop_wrap = true
-tracks/0/imported = false
-tracks/0/enabled = true
-tracks/0/keys = {
-"times": PoolRealArray( 0, 0.02, 0.22 ),
-"transitions": PoolRealArray( 1, 1, 1 ),
-"update": 0,
-"values": [ 1.1, 1.15, 1.1 ]
-}
-tracks/1/type = "value"
-tracks/1/path = NodePath(".:material:shader_param/color_bleeding")
-tracks/1/interp = 1
-tracks/1/loop_wrap = true
-tracks/1/imported = false
-tracks/1/enabled = true
-tracks/1/keys = {
-"times": PoolRealArray( 0, 0.02, 0.22 ),
-"transitions": PoolRealArray( 1, 1, 1 ),
-"update": 0,
-"values": [ 5.0, 5.0, 2.0 ]
-}
-tracks/2/type = "value"
-tracks/2/path = NodePath(".:material:shader_param/bleeding_range_x")
-tracks/2/interp = 1
-tracks/2/loop_wrap = true
-tracks/2/imported = false
-tracks/2/enabled = true
-tracks/2/keys = {
-"times": PoolRealArray( 0, 0.02, 0.22 ),
-"transitions": PoolRealArray( 1, 1, 1 ),
-"update": 0,
-"values": [ -4.0, -4.0, 1.5 ]
-}
-tracks/3/type = "value"
-tracks/3/path = NodePath(".:material:shader_param/bleeding_range_y")
-tracks/3/interp = 1
-tracks/3/loop_wrap = true
-tracks/3/imported = false
-tracks/3/enabled = true
-tracks/3/keys = {
-"times": PoolRealArray( 0, 0.02, 0.22 ),
-"transitions": PoolRealArray( 1, 1, 1 ),
-"update": 0,
-"values": [ -1.0, -1.0, 1.5 ]
-}
-tracks/4/type = "value"
-tracks/4/path = NodePath(".:material:shader_param/lines_distance")
-tracks/4/interp = 1
-tracks/4/loop_wrap = true
-tracks/4/imported = false
-tracks/4/enabled = true
-tracks/4/keys = {
-"times": PoolRealArray( 0, 0.02, 0.22 ),
-"transitions": PoolRealArray( 1, 1, 1 ),
-"update": 0,
-"values": [ 0.0, 0.0, 3.0 ]
-}
-tracks/5/type = "value"
-tracks/5/path = NodePath(".:material:shader_param/scan_size")
-tracks/5/interp = 1
-tracks/5/loop_wrap = true
-tracks/5/imported = false
-tracks/5/enabled = true
-tracks/5/keys = {
-"times": PoolRealArray( 0, 0.02, 0.22 ),
-"transitions": PoolRealArray( 1, 1, 1 ),
-"update": 0,
-"values": [ 1.0, 1.0, 2.0 ]
-}
-tracks/6/type = "value"
-tracks/6/path = NodePath(".:material:shader_param/scanline_alpha")
-tracks/6/interp = 1
-tracks/6/loop_wrap = true
-tracks/6/imported = false
-tracks/6/enabled = true
-tracks/6/keys = {
-"times": PoolRealArray( 0, 0.02, 0.22 ),
-"transitions": PoolRealArray( 1, 1, 1 ),
-"update": 0,
-"values": [ 0.0, 0.0, 0.9 ]
-}
-tracks/7/type = "value"
-tracks/7/path = NodePath(".:material:shader_param/lines_velocity")
-tracks/7/interp = 1
-tracks/7/loop_wrap = true
-tracks/7/imported = false
-tracks/7/enabled = true
-tracks/7/keys = {
-"times": PoolRealArray( 0, 0.02, 0.22 ),
-"transitions": PoolRealArray( 1, 1, 1 ),
-"update": 0,
-"values": [ 0.0, 0.0, 40.0 ]
-}
-
-[sub_resource type="Animation" id=5]
-length = 0.001
-tracks/0/type = "value"
-tracks/0/path = NodePath(".:material:shader_param/BarrelPower")
-tracks/0/interp = 1
-tracks/0/loop_wrap = true
-tracks/0/imported = false
-tracks/0/enabled = true
-tracks/0/keys = {
-"times": PoolRealArray( 0 ),
-"transitions": PoolRealArray( 1 ),
-"update": 0,
-"values": [ 1.1 ]
-}
-tracks/1/type = "value"
-tracks/1/path = NodePath(".:material:shader_param/color_bleeding")
-tracks/1/interp = 1
-tracks/1/loop_wrap = true
-tracks/1/imported = false
-tracks/1/enabled = true
-tracks/1/keys = {
-"times": PoolRealArray( 0 ),
-"transitions": PoolRealArray( 1 ),
-"update": 0,
-"values": [ 2.0 ]
-}
-tracks/2/type = "value"
-tracks/2/path = NodePath(".:material:shader_param/bleeding_range_x")
-tracks/2/interp = 1
-tracks/2/loop_wrap = true
-tracks/2/imported = false
-tracks/2/enabled = true
-tracks/2/keys = {
-"times": PoolRealArray( 0 ),
-"transitions": PoolRealArray( 1 ),
-"update": 0,
-"values": [ 1.5 ]
-}
-tracks/3/type = "value"
-tracks/3/path = NodePath(".:material:shader_param/bleeding_range_y")
-tracks/3/interp = 1
-tracks/3/loop_wrap = true
-tracks/3/imported = false
-tracks/3/enabled = true
-tracks/3/keys = {
-"times": PoolRealArray( 0 ),
-"transitions": PoolRealArray( 1 ),
-"update": 0,
-"values": [ 1.5 ]
-}
-tracks/4/type = "value"
-tracks/4/path = NodePath(".:material:shader_param/lines_distance")
-tracks/4/interp = 1
-tracks/4/loop_wrap = true
-tracks/4/imported = false
-tracks/4/enabled = true
-tracks/4/keys = {
-"times": PoolRealArray( 0 ),
-"transitions": PoolRealArray( 1 ),
-"update": 0,
-"values": [ 3.0 ]
-}
-tracks/5/type = "value"
-tracks/5/path = NodePath(".:material:shader_param/scan_size")
-tracks/5/interp = 1
-tracks/5/loop_wrap = true
-tracks/5/imported = false
-tracks/5/enabled = true
-tracks/5/keys = {
-"times": PoolRealArray( 0 ),
-"transitions": PoolRealArray( 1 ),
-"update": 0,
-"values": [ 2.0 ]
-}
-tracks/6/type = "value"
-tracks/6/path = NodePath(".:material:shader_param/scanline_alpha")
-tracks/6/interp = 1
-tracks/6/loop_wrap = true
-tracks/6/imported = false
-tracks/6/enabled = true
-tracks/6/keys = {
-"times": PoolRealArray( 0 ),
-"transitions": PoolRealArray( 1 ),
-"update": 0,
-"values": [ 0.9 ]
-}
-tracks/7/type = "value"
-tracks/7/path = NodePath(".:material:shader_param/lines_velocity")
-tracks/7/interp = 1
-tracks/7/loop_wrap = true
-tracks/7/imported = false
-tracks/7/enabled = true
-tracks/7/keys = {
-"times": PoolRealArray( 0 ),
-"transitions": PoolRealArray( 1 ),
-"update": 0,
-"values": [ 40.0 ]
-}
-
-[node name="CRTCanvasLayer" type="CanvasLayer"]
-
-[node name="CRTShader" type="ColorRect" parent="."]
-material = ExtResource( 2 )
-anchor_right = 1.0
-anchor_bottom = 1.0
-script = ExtResource( 1 )
-
-[node name="GlitchAnimation" type="AnimationPlayer" parent="CRTShader"]
-anims/Glitch = SubResource( 4 )
-anims/GlitchLoop = SubResource( 6 )
-anims/Glitch_Start = SubResource( 7 )
-anims/RESET = SubResource( 5 )
-
-[node name="FrameTexture" type="TextureRect" parent="."]
-anchor_right = 1.0
-anchor_bottom = 1.0
-texture = ExtResource( 3 )
-expand = true
diff --git a/addons/crt_shader/CRTFrame.png.import b/addons/crt_shader/CRTFrame.png.import
index 0ecb5d8..8a3d11d 100644
--- a/addons/crt_shader/CRTFrame.png.import
+++ b/addons/crt_shader/CRTFrame.png.import
@@ -1,8 +1,9 @@
 [remap]
 
 importer="texture"
-type="StreamTexture"
-path="res://.import/CRTFrame.png-872eedb156a5c6ffe1f1a64a1e49445b.stex"
+type="CompressedTexture2D"
+uid="uid://b7rrbl58e5lm6"
+path="res://.godot/imported/CRTFrame.png-872eedb156a5c6ffe1f1a64a1e49445b.ctex"
 metadata={
 "vram_texture": false
 }
@@ -10,26 +11,24 @@ metadata={
 [deps]
 
 source_file="res://addons/crt_shader/CRTFrame.png"
-dest_files=[ "res://.import/CRTFrame.png-872eedb156a5c6ffe1f1a64a1e49445b.stex" ]
+dest_files=["res://.godot/imported/CRTFrame.png-872eedb156a5c6ffe1f1a64a1e49445b.ctex"]
 
 [params]
 
 compress/mode=0
+compress/high_quality=false
 compress/lossy_quality=0.7
-compress/hdr_mode=0
-compress/bptc_ldr=0
+compress/hdr_compression=1
 compress/normal_map=0
-flags/repeat=0
-flags/filter=true
-flags/mipmaps=false
-flags/anisotropic=false
-flags/srgb=2
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
 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
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1
diff --git a/addons/crt_shader/CRTShader.gd b/addons/crt_shader/CRTShader.gd
deleted file mode 100644
index 464b275..0000000
--- a/addons/crt_shader/CRTShader.gd
+++ /dev/null
@@ -1,23 +0,0 @@
-extends ColorRect
-
-onready var glitch_loop = false
-onready var fun = null
-
-func _ready():
-	$GlitchAnimation.connect("animation_finished", self, "_on_animation_finished")
-
-func _on_animation_finished(anim):
-	if anim == "Glitch" and glitch_loop:
-		$GlitchAnimation.play("GlitchLoop")
-
-func start_glitch_loop():
-	$GlitchAnimation.play("GlitchLoop")
-	glitch_loop = true
-
-func tween(fun : FuncRef, force = false):
-	if not force and $GlitchAnimation.is_playing() and $GlitchAnimation.current_animation == "Glitch": return
-	$GlitchAnimation.play("Glitch")
-	self.fun = fun
-
-func call_funcref():
-	if fun: fun.call_func()
diff --git a/addons/crt_shader/CRTShader.shader b/addons/crt_shader/CRTShader.gdshader
index d7e8afd..d7ca24f 100644
--- a/addons/crt_shader/CRTShader.shader
+++ b/addons/crt_shader/CRTShader.gdshader
@@ -1,5 +1,6 @@
 shader_type canvas_item;
 
+uniform sampler2D screen_texture : hint_screen_texture;
 uniform float screen_width = 1024;
 uniform float screen_height = 600;
 
@@ -15,27 +16,27 @@ uniform float scan_size = 2.0;
 uniform float scanline_alpha = 0.9;
 uniform float lines_velocity = 30.0;
 
-vec2 distort(vec2 p) 
+vec2 distort(vec2 p)
 {
 	float angle = p.y / p.x;
 	float theta = atan(p.y,p.x);
 	float radius = pow(length(p), BarrelPower);
-	
+
 	p.x = radius * cos(theta);
 	p.y = radius * sin(theta);
-	
-	return 0.5 * (p + vec2(1.0,1.0));
+
+	return 0.5 * (p + vec2(1.0, 1.0));
 }
 
 void get_color_bleeding(inout vec4 current_color,inout vec4 color_left){
-	current_color = current_color*vec4(color_bleeding,0.5,1.0-color_bleeding,1);
-	color_left = color_left*vec4(1.0-color_bleeding,0.5,color_bleeding,1);
+	current_color = current_color * vec4(color_bleeding, 0.5, 1.0 - color_bleeding, 1);
+	color_left = color_left * vec4(1.0 - color_bleeding, 0.5, color_bleeding, 1);
 }
 
-void get_color_scanline(vec2 uv,inout vec4 c,float time){
-	float line_row = floor((uv.y * screen_height/scan_size) + mod(time*lines_velocity, lines_distance));
-	float n = 1.0 - ceil((mod(line_row,lines_distance)/lines_distance));
-	c = c - n*c*(1.0 - scanline_alpha);
+void get_color_scanline(vec2 uv, inout vec4 c, float time){
+	float line_row = floor((uv.y * screen_height/scan_size) + mod(time * lines_velocity, lines_distance));
+	float n = 1.0 - ceil( (mod(line_row,lines_distance) / lines_distance));
+	c = c - n * c * (1.0 - scanline_alpha);
 	c.a = 1.0;
 }
 
@@ -44,7 +45,7 @@ void fragment()
 	vec2 xy = SCREEN_UV * 2.0;
 	xy.x -= 1.0;
 	xy.y -= 1.0;
-	
+
 	float d = length(xy);
 	if(d < 1.5){
 		xy = distort(xy);
@@ -52,14 +53,13 @@ void fragment()
 	else{
 		xy = SCREEN_UV;
 	}
-	
-	float pixel_size_x = 1.0/screen_width*bleeding_range_x;
-	float pixel_size_y = 1.0/screen_height*bleeding_range_y;
-	vec4 color_left = texture(SCREEN_TEXTURE,xy - vec2(pixel_size_x, pixel_size_y));
-	vec4 current_color = texture(SCREEN_TEXTURE,xy);
-	get_color_bleeding(current_color,color_left);
-	vec4 c = current_color+color_left;
+
+	float pixel_size_x = 1.0/screen_width * bleeding_range_x;
+	float pixel_size_y = 1.0/screen_height * bleeding_range_y;
+	vec4 color_left = texture(screen_texture, xy - vec2(pixel_size_x, pixel_size_y));
+	vec4 current_color = texture(screen_texture, xy);
+	get_color_bleeding(current_color, color_left);
+	vec4 c = current_color + color_left;
 	get_color_scanline(xy,c,TIME);
 	COLOR = c;
-
 }
diff --git a/addons/crt_shader/ShaderScreen.material b/addons/crt_shader/ShaderScreen.material
index b7432da..03171f3 100644
--- a/addons/crt_shader/ShaderScreen.material
+++ b/addons/crt_shader/ShaderScreen.material
diff --git a/addons/crt_shader/crt_screen.gd b/addons/crt_shader/crt_screen.gd
new file mode 100644
index 0000000..5674626
--- /dev/null
+++ b/addons/crt_shader/crt_screen.gd
@@ -0,0 +1,18 @@
+@tool
+extends ColorRect
+
+const ShaderScreenMaterial: ShaderMaterial = preload("res://addons/crt_shader/ShaderScreen.material")
+
+
+func _ready() -> void:
+	if material == null:
+		material = ShaderScreenMaterial
+	
+	item_rect_changed.connect(_update_screen_parameters)
+	_update_screen_parameters()
+
+
+func _update_screen_parameters():
+	var shader_material : ShaderMaterial = material
+	shader_material.set_shader_parameter("screen_width", size.x)
+	shader_material.set_shader_parameter("screen_height", size.y)
diff --git a/addons/crt_shader/crt_shader.gd b/addons/crt_shader/crt_shader.gd
index 49e712e..50053a9 100644
--- a/addons/crt_shader/crt_shader.gd
+++ b/addons/crt_shader/crt_shader.gd
@@ -1,10 +1,10 @@
-tool
+@tool
 extends EditorPlugin
 
 
 func _enter_tree():
-	pass
+	add_custom_type("CRTScreen", "ColorRect", preload("res://addons/crt_shader/crt_screen.gd"), preload("res://addons/crt_shader/icon.png"))
 
 
 func _exit_tree():
-	pass
+	remove_custom_type("CRTScreen")
diff --git a/addons/crt_shader/icon.png b/addons/crt_shader/icon.png
new file mode 100644
index 0000000..a39bb38
--- /dev/null
+++ b/addons/crt_shader/icon.png
diff --git a/addons/crt_shader/icon.png.import b/addons/crt_shader/icon.png.import
new file mode 100644
index 0000000..853d9fd
--- /dev/null
+++ b/addons/crt_shader/icon.png.import
@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://c7pxefljbvdfo"
+path="res://.godot/imported/icon.png-258ab7dc402d28bf674efd9b9f590b1f.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://addons/crt_shader/icon.png"
+dest_files=["res://.godot/imported/icon.png-258ab7dc402d28bf674efd9b9f590b1f.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+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=1