✨ Allow arrows to catch on fire

project.godot

@@ -14,6 +14,11 @@ _global_script_classes=[ {
 "language": "GDScript",
 "path": "res://src/behaviours/damage/Alliance.gd"
 }, {
+"base": "KinematicBody2D",
+"class": "ArrowAlternative",
+"language": "GDScript",
+"path": "res://src/entities/bullets/ArrowAlternative.gd"
+}, {
 "base": "Node",
 "class": "AttractedToMovement",
 "language": "GDScript",
@@ -44,6 +49,11 @@ _global_script_classes=[ {
 "language": "GDScript",
 "path": "res://FireExtinguisherEnemy.gd"
 }, {
+"base": "Node",
+"class": "Flammable",
+"language": "GDScript",
+"path": "res://src/behaviours/damage/Flammable.gd"
+}, {
 "base": "AnimatedSprite",
 "class": "FourSidedSprite",
 "language": "GDScript",
@@ -91,12 +101,14 @@ _global_script_classes=[ {
 } ]
 _global_script_class_icons={
 "Alliance": "",
+"ArrowAlternative": "",
 "AttractedToMovement": "",
 "BulletMovement": "",
 "Damaging": "",
 "DropLoot": "",
 "ErraticMovement": "",
 "FireExtinguisherEnemy": "",
+"Flammable": "",
 "FourSidedSprite": "",
 "Ownership": "",
 "PlayerMovement": "",

src/behaviours/damage/Flammable.gd

@@ -0,0 +1,19 @@
+extends Node
+class_name Flammable
+
+
+signal caught_fire
+signal extinguished_fire
+
+
+var on_fire = false
+
+
+func catch_fire():
+	if not on_fire:
+		emit_signal("caught_fire")
+
+
+func extinguish_fire():
+	if on_fire:
+		emit_signal("extinguished_fire")

src/behaviours/damage/Flammable.tscn

@@ -0,0 +1,6 @@
+[gd_scene load_steps=2 format=2]
+
+[ext_resource path="res://src/behaviours/damage/Flammable.gd" type="Script" id=1]
+
+[node name="Flammable" type="Node"]
+script = ExtResource( 1 )

src/entities/bullets/ArrowAlternative.gd

@@ -0,0 +1,19 @@
+extends KinematicBody2D
+class_name ArrowAlternative
+
+
+export var dim_texture: Texture = preload("res://src/entities/bullets/ArrowAlternative.png")
+export var dim_damage: int = 1
+
+export var lit_texture: Texture = preload("res://src/entities/bullets/ArrowAlternativeOnFire.png")
+export var lit_damage: int = 5
+
+
+func _on_Flammable_caught_fire():
+	$Shape/Sprite.texture = lit_texture
+	$Damaging.damage = lit_damage
+
+
+func _on_Flammable_extinguished_fire():
+	$Shape/Sprite.texture = dim_texture
+	$Damaging.damage = dim_damage

src/entities/bullets/ArrowAlternative.tscn

@@ -1,12 +1,15 @@
-[gd_scene load_steps=4 format=2]
+[gd_scene load_steps=6 format=2]
 
 [ext_resource path="res://src/entities/bullets/AbstractBullet.tscn" type="PackedScene" id=1]
 [ext_resource path="res://src/entities/bullets/ArrowAlternative.png" type="Texture" id=2]
+[ext_resource path="res://src/entities/bullets/ArrowAlternative.gd" type="Script" id=3]
+[ext_resource path="res://src/behaviours/damage/Flammable.tscn" type="PackedScene" id=4]
 
 [sub_resource type="RectangleShape2D" id=1]
 extents = Vector2( 6, 1.5 )
 
 [node name="ArrowAlternative" instance=ExtResource( 1 )]
+script = ExtResource( 3 )
 
 [node name="Shape" type="CollisionShape2D" parent="." index="0"]
 shape = SubResource( 1 )
@@ -16,3 +19,8 @@ texture = ExtResource( 2 )
 
 [node name="BulletMovement" parent="." index="1"]
 movement_per_second = 400.0
+
+[node name="Flammable" parent="." index="4" instance=ExtResource( 4 )]
+
+[connection signal="caught_fire" from="Flammable" to="." method="_on_Flammable_caught_fire"]
+[connection signal="extinguished_fire" from="Flammable" to="." method="_on_Flammable_extinguished_fire"]

src/entities/fire/Fire.gd

@@ -18,7 +18,7 @@ signal intensity_reached_max
 func set_intensity(value):
 	intensity = clamp(value, min_intensity, max_intensity)
 	# Update everything that needs to be updated when the intensity changes
-	$Light.scale = Vector2(value, value)
+	$Flame.scale = Vector2(value, value)
 	# Trigger signals
 	emit_signal("intensity_changed", intensity)
 	# max intensity signal
@@ -41,3 +41,9 @@ func set_intensity(value):
 
 func _process(delta):
 	set_intensity(intensity + (delta * change_per_second))
+
+
+func _on_Flame_body_entered(body: PhysicsBody2D):
+	var flammable = body.get_node("Flammable")
+	if flammable != null:
+		flammable.catch_fire()

src/entities/fire/Fire.tscn

@@ -1,4 +1,4 @@
-[gd_scene load_steps=7 format=2]
+[gd_scene load_steps=8 format=2]
 
 [ext_resource path="res://src/mechanics/Light.png" type="Texture" id=1]
 [ext_resource path="res://src/entities/fire/FirePit.png" type="Texture" id=2]
@@ -9,27 +9,41 @@
 radius = 20.0
 height = 10.0
 
+[sub_resource type="CapsuleShape2D" id=3]
+radius = 14.0
+
 [sub_resource type="CanvasItemMaterial" id=2]
 blend_mode = 1
 
-[node name="Fire" type="StaticBody2D"]
+[node name="Fire" type="Node2D"]
 script = ExtResource( 3 )
 
-[node name="Shape" type="CollisionShape2D" parent="."]
+[node name="Firepit" type="StaticBody2D" parent="."]
+
+[node name="Shape" type="CollisionShape2D" parent="Firepit"]
 rotation = 1.5708
 shape = SubResource( 1 )
 
-[node name="Sprite" type="Sprite" parent="Shape"]
+[node name="Sprite" type="Sprite" parent="Firepit/Shape"]
 rotation = -1.5708
 texture = ExtResource( 2 )
 
-[node name="Light" type="Light2D" parent="."]
+[node name="Flame" type="Area2D" parent="."]
+collision_layer = 4
+collision_mask = 4
+
+[node name="Light" type="Light2D" parent="Flame"]
 texture = ExtResource( 1 )
 texture_scale = 0.5
 color = Color( 1, 0.607843, 0, 1 )
 
-[node name="FlameSprite" type="Sprite" parent="Light"]
+[node name="Shape" type="CollisionShape2D" parent="Flame"]
+position = Vector2( 0, -20 )
+shape = SubResource( 3 )
+
+[node name="FlameSprite" type="Sprite" parent="Flame/Shape"]
 material = SubResource( 2 )
 z_index = 1
 texture = ExtResource( 4 )
-offset = Vector2( 0, -20 )
+
+[connection signal="body_entered" from="Flame" to="." method="_on_Flame_body_entered"]