From e90830cd06112eed90a9dbb7eb28a307e29082e8 Mon Sep 17 00:00:00 2001
From: Stefano Pigozzi <me@steffo.eu>
Date: Sun, 1 Oct 2023 03:03:03 +0200
Subject: [PATCH] Add collector entity

---
 collector/collectible.gd   | 23 +++++++++++++++++++++++
 collector/collectible.tscn |  6 ++++++
 collector/collector.gd     | 20 ++++++++++++++++++++
 collector/collector.tscn   |  8 ++++++++
 4 files changed, 57 insertions(+)
 create mode 100644 collector/collectible.gd
 create mode 100644 collector/collectible.tscn
 create mode 100644 collector/collector.gd
 create mode 100644 collector/collector.tscn

diff --git a/collector/collectible.gd b/collector/collectible.gd
new file mode 100644
index 0000000..941a2f5
--- /dev/null
+++ b/collector/collectible.gd
@@ -0,0 +1,23 @@
+extends Node
+class_name Collectible
+
+enum CollectibleType {
+	UNSET,
+	COIN_COPPER,
+	COIN_SILVER,
+	COIN_GOLD,
+	GEM,
+	DIAMOND,
+	COAL,
+	CROWN,
+	SUPERCROWN,
+}
+
+@export var type: CollectibleType
+
+signal collected
+
+
+func collect():
+	emit_signal("collected")
+	get_parent().queue_free()
diff --git a/collector/collectible.tscn b/collector/collectible.tscn
new file mode 100644
index 0000000..7f6b2a1
--- /dev/null
+++ b/collector/collectible.tscn
@@ -0,0 +1,6 @@
+[gd_scene load_steps=2 format=3 uid="uid://bk1vvq5rug01m"]
+
+[ext_resource type="Script" path="res://collector/collectible.gd" id="1_qilbk"]
+
+[node name="Collectible" type="Node"]
+script = ExtResource("1_qilbk")
diff --git a/collector/collector.gd b/collector/collector.gd
new file mode 100644
index 0000000..2cc74c3
--- /dev/null
+++ b/collector/collector.gd
@@ -0,0 +1,20 @@
+extends Area2D
+class_name Collector
+
+
+var collected_count: int = 0
+
+@export var collecting_types: Array[Collectible.CollectibleType]
+@export_flags_2d_physics var collecting_collision_mask: int
+
+signal collected(what: PhysicsBody2D)
+
+
+func _on_body_entered(body: Node2D):
+	if body is PhysicsBody2D:
+		if body.collision_layer & collecting_collision_mask:
+			var collectible: Collectible = body.get_node("Collectible")
+			if collectible.type in collecting_types:
+				collected_count += 1
+				collectible.collect()
+				emit_signal("collected", body)
diff --git a/collector/collector.tscn b/collector/collector.tscn
new file mode 100644
index 0000000..0273735
--- /dev/null
+++ b/collector/collector.tscn
@@ -0,0 +1,8 @@
+[gd_scene load_steps=2 format=3 uid="uid://c5w3b55aiui6c"]
+
+[ext_resource type="Script" path="res://collector/collector.gd" id="1_1xtt5"]
+
+[node name="Collector" type="Area2D"]
+script = ExtResource("1_1xtt5")
+
+[connection signal="body_entered" from="." to="." method="_on_body_entered"]