From 45442dd549dcb4ed8e530a64f068ad4463e878d1 Mon Sep 17 00:00:00 2001
From: bleeptrack <mail@bleeptrack.de>
Date: Tue, 10 Nov 2020 12:14:45 +0100
Subject: [PATCH] Shader as Target Highlights

---
 scenes/drop_area.gd           | 10 ++++++++--
 scenes/drop_area.tscn         | 24 +++++++++++++++++++-----
 scenes/file_browser_item.tscn | 16 +++++++++++++---
 3 files changed, 40 insertions(+), 10 deletions(-)

diff --git a/scenes/drop_area.gd b/scenes/drop_area.gd
index e90df3a..0abe499 100644
--- a/scenes/drop_area.gd
+++ b/scenes/drop_area.gd
@@ -16,12 +16,18 @@ func _input(event):
 	if event is InputEventMouseButton:
 		if event.button_index == BUTTON_LEFT and !event.pressed and hovered:
 			if highlighted and game.dragged_object:
-				game.dragged_object.dropped_on($"..")
+				game.dragged_object.dropped_on(get_parent_with_type())
 
 func _set_highlighted(new_highlighted):
 	highlighted = new_highlighted
 	$Highlight.visible = highlighted
+	
+func get_parent_with_type():
+	var parent = get_parent()
+	while(!parent.get("type")):
+		parent = parent.get_parent()
+	return parent
 
 func highlight(type):
-	if get_parent().type == type:
+	if get_parent_with_type().type == type:
 		_set_highlighted(true)
diff --git a/scenes/drop_area.tscn b/scenes/drop_area.tscn
index 7b81dee..6185c75 100644
--- a/scenes/drop_area.tscn
+++ b/scenes/drop_area.tscn
@@ -1,4 +1,4 @@
-[gd_scene load_steps=4 format=2]
+[gd_scene load_steps=6 format=2]
 
 [ext_resource path="res://scenes/drop_area.gd" type="Script" id=1]
 [ext_resource path="res://nodes/blob.svg" type="Texture" id=2]
@@ -6,11 +6,24 @@
 [sub_resource type="CircleShape2D" id=1]
 radius = 23.5871
 
+[sub_resource type="Shader" id=2]
+code = "shader_type canvas_item;
+
+void fragment() {
+	vec2 center = vec2(0.5, 0.5);
+	float d = distance(UV, center);
+	COLOR = vec4(0.4, 0.65, 1, smoothstep(0.5,0.2,d));
+}
+"
+custom_defines = ""
+
+[sub_resource type="ShaderMaterial" id=3]
+shader = SubResource( 2 )
+
 [node name="DropArea" type="Node2D" groups=[
 "drop_areas",
 ]]
 position = Vector2( -0.197731, 0.0673599 )
-z_index = 2
 script = ExtResource( 1 )
 
 [node name="Area2D" type="Area2D" parent="."]
@@ -24,9 +37,10 @@ shape = SubResource( 1 )
 [node name="Highlight" type="Node2D" parent="."]
 
 [node name="Sprite" type="Sprite" parent="Highlight"]
-modulate = Color( 0.847059, 0.788235, 0.996078, 0.533333 )
-position = Vector2( 0.177797, -0.65835 )
-scale = Vector2( 1.23678, 1.23678 )
+modulate = Color( 1, 1, 1, 0.643137 )
+material = SubResource( 3 )
+position = Vector2( -0.102825, -0.377726 )
+scale = Vector2( 2.25501, 2.25501 )
 texture = ExtResource( 2 )
 [connection signal="area_entered" from="Area2D" to="." method="_mouse_entered"]
 [connection signal="area_exited" from="Area2D" to="." method="_mouse_exited"]
diff --git a/scenes/file_browser_item.tscn b/scenes/file_browser_item.tscn
index 8ebe23c..4644d35 100644
--- a/scenes/file_browser_item.tscn
+++ b/scenes/file_browser_item.tscn
@@ -17,6 +17,19 @@ __meta__ = {
 "_edit_use_anchors_": false
 }
 
+[node name="Control" type="Control" parent="."]
+anchor_left = 0.5
+anchor_top = 0.5
+anchor_right = 0.5
+anchor_bottom = 0.5
+__meta__ = {
+"_edit_use_anchors_": false
+}
+
+[node name="DropArea" parent="Control" instance=ExtResource( 4 )]
+show_behind_parent = false
+position = Vector2( 0, 0 )
+
 [node name="VBoxContainer" type="VBoxContainer" parent="."]
 anchor_right = 1.0
 anchor_bottom = 1.0
@@ -80,6 +93,3 @@ custom_fonts/font = ExtResource( 2 )
 text = "filename"
 align = 1
 autowrap = true
-
-[node name="DropArea" parent="." instance=ExtResource( 4 )]
-position = Vector2( 88.6643, 48.5029 )