From 2b59dceada4d73f6880ca554618af52b646a85b4 Mon Sep 17 00:00:00 2001
From: Stefano Pigozzi <me@steffo.eu>
Date: Sun, 3 Apr 2022 04:12:57 +0200
Subject: [PATCH] :sparkles: Create pickup system

---
 src/entities/Pickup.gd   | 58 ++++++++++++++++++++++++++++++++++++++++
 src/entities/Pickup.tscn | 27 +++++++++++++++++++
 src/levels/Game.tscn     |  7 ++++-
 3 files changed, 91 insertions(+), 1 deletion(-)
 create mode 100644 src/entities/Pickup.gd
 create mode 100644 src/entities/Pickup.tscn

diff --git a/src/entities/Pickup.gd b/src/entities/Pickup.gd
new file mode 100644
index 0000000..30cf6d8
--- /dev/null
+++ b/src/entities/Pickup.gd
@@ -0,0 +1,58 @@
+extends Area2D
+
+
+export var sprite: Texture = preload("res://src/mechanics/White.png") setget set_sprite, get_sprite
+export var duration_seconds: float = 1.0 setget set_duration, get_duration
+export var despawn_seconds: float = INF setget set_despawn, get_despawn
+
+signal picked_up
+signal expired
+signal despawned
+
+
+func _ready():
+	set_sprite(sprite)
+	set_duration(duration_seconds)
+	set_despawn(despawn_seconds)
+
+
+func set_sprite(value):
+	$Shape/Sprite.texture = value
+
+func get_sprite():
+	return $Shape/Sprite.texture
+
+
+func set_duration(value):
+	$Duration.wait_time = value
+
+func get_duration():
+	return $Duration.wait_time
+
+func _on_Duration_timeout():
+	emit_signal("expired")
+	queue_free()
+
+
+func set_despawn(value):
+	$Despawn.wait_time = value
+	$Despawn.start()
+
+func get_despawn():
+	return $Despawn.wait_time
+
+func _on_Despawn_timeout():
+	if $Shape.visible:
+		emit_signal("despawned")
+		queue_free()
+
+
+func pick_up():
+	$Shape.visible = false
+	$Duration.start()
+	emit_signal("picked_up")
+
+func _on_body_entered(_other: RigidBody2D):
+	# TODO: check that it was the player who entered
+	if $Shape.visible:
+		pick_up()
diff --git a/src/entities/Pickup.tscn b/src/entities/Pickup.tscn
new file mode 100644
index 0000000..8711ee3
--- /dev/null
+++ b/src/entities/Pickup.tscn
@@ -0,0 +1,27 @@
+[gd_scene load_steps=4 format=2]
+
+[ext_resource path="res://src/mechanics/White.png" type="Texture" id=1]
+[ext_resource path="res://src/entities/Pickup.gd" type="Script" id=2]
+
+[sub_resource type="RectangleShape2D" id=1]
+extents = Vector2( 16, 16 )
+
+[node name="Pickup" type="Area2D"]
+input_pickable = false
+script = ExtResource( 2 )
+
+[node name="Shape" type="CollisionShape2D" parent="."]
+shape = SubResource( 1 )
+
+[node name="Sprite" type="Sprite" parent="Shape"]
+texture = ExtResource( 1 )
+
+[node name="Duration" type="Timer" parent="."]
+one_shot = true
+
+[node name="Despawn" type="Timer" parent="."]
+one_shot = true
+
+[connection signal="body_entered" from="." to="." method="_on_body_entered"]
+[connection signal="timeout" from="Duration" to="." method="_on_Duration_timeout"]
+[connection signal="timeout" from="Despawn" to="." method="_on_Despawn_timeout"]
diff --git a/src/levels/Game.tscn b/src/levels/Game.tscn
index e7898b3..eca2227 100644
--- a/src/levels/Game.tscn
+++ b/src/levels/Game.tscn
@@ -1,4 +1,4 @@
-[gd_scene load_steps=9 format=2]
+[gd_scene load_steps=10 format=2]
 
 [ext_resource path="res://src/mechanics/Background.tscn" type="PackedScene" id=1]
 [ext_resource path="res://src/mechanics/Darkness.tscn" type="PackedScene" id=2]
@@ -7,6 +7,7 @@
 [ext_resource path="res://src/entities/Enemy.tscn" type="PackedScene" id=5]
 [ext_resource path="res://src/levels/Game.gd" type="Script" id=6]
 [ext_resource path="res://src/ui/TimeSurvived.tscn" type="PackedScene" id=7]
+[ext_resource path="res://src/entities/Pickup.tscn" type="PackedScene" id=8]
 [ext_resource path="res://src/levels/PhaseOneMusic.gd" type="Script" id=11]
 
 [node name="Game" type="Node2D"]
@@ -49,6 +50,10 @@ position = Vector2( 755, 508 )
 position = Vector2( 493, 305 )
 intensity = 0.3
 
+[node name="Pickup" parent="PhaseOne/PhaseOneContainer" instance=ExtResource( 8 )]
+position = Vector2( 618, 360 )
+duration_seconds = nan
+
 [node name="UserInterface" type="CanvasLayer" parent="."]
 
 [node name="UserIntefaceContainer" type="Panel" parent="UserInterface"]