Implement igniting bow arrows

Assets/Sprites/Misc/flame.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://dj1vsctgh1scr"
+path="res://.godot/imported/flame.png-e7b2d4c51e3e9c0041d6294e9c805c89.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://Assets/Sprites/Misc/flame.png"
+dest_files=["res://.godot/imported/flame.png-e7b2d4c51e3e9c0041d6294e9c805c89.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

Items/Weapons/Bow.cs

@@ -8,19 +8,33 @@ public partial class Bow : ProjectileSpawner
 
     protected Area2D _ignitionArea;
 
-    protected override void SpawnProjectile(Scenes.Map map,
+    protected override Entities.Projectile SpawnProjectile(Scenes.Map map,
         Vector2 direction, float velocityModifier = 1)
     {
-        base.SpawnProjectile(map, direction, velocityModifier);
+        var projectile = base.SpawnProjectile(map, direction, velocityModifier);
+
+        if (_isOnFire)
+        {
+            GetNode<AnimatedSprite2D>("%Flame").Visible = false;
+            // TODO: instead of doing 1.5x damage, create an "On Fire" debuff
+            projectile.Hitbox.Damage *= 1.5f;
+            _isOnFire = false;
+        }
+
+        return projectile;
     }
 
     public override void _Ready()
     {
         base._Ready();
         _ignitionArea = GetNode<Area2D>("IgnitionArea");
-        _ignitionArea.AreaEntered += (Area2D area) =>
+        var onAreaEntered = (Area2D area) =>
         {
-            _isOnFire = false;
+            GetNode<AnimatedSprite2D>("%Flame").Visible = true;
+            _isOnFire = true;
         };
+        _ignitionArea.Connect(
+            Area2D.SignalName.AreaEntered,
+            Callable.From(onAreaEntered));
     }
 }

Items/Weapons/Bow.tscn

@@ -1,15 +1,73 @@
-[gd_scene load_steps=17 format=3 uid="uid://cgg0sfm2qeiwn"]
+[gd_scene load_steps=26 format=3 uid="uid://cgg0sfm2qeiwn"]
 
 [ext_resource type="Texture2D" uid="uid://dam6aigkw8xs" path="res://Assets/Sprites/Items/bow-and-arrow.png" id="1_1ghvv"]
-[ext_resource type="Script" path="res://Items/Weapons/ProjectileSpawner.cs" id="1_76bur"]
+[ext_resource type="Script" path="res://Items/Weapons/Bow.cs" id="1_ikgu2"]
 [ext_resource type="PackedScene" uid="uid://cjiftn2suskla" path="res://Entities/Arrow.tscn" id="2_mvw0j"]
-[ext_resource type="Resource" uid="uid://cjsh0dcgbfn77" path="res://Items/Weapons/Bow.tres" id="3_j7q7r"]
 [ext_resource type="Script" path="res://State/Weapon/WeaponStateMachine.cs" id="3_pg4gy"]
 [ext_resource type="Script" path="res://State/Weapon/RangedIdleState.cs" id="3_uxif8"]
 [ext_resource type="Script" path="res://State/Weapon/RangedFireState.cs" id="4_moo4d"]
 [ext_resource type="Script" path="res://State/Weapon/RangedChargeState.cs" id="5_k8y6f"]
 [ext_resource type="AudioStream" uid="uid://bkekgj4gu7fw4" path="res://Assets/Sounds/bow-draw.wav" id="7_t07v0"]
+[ext_resource type="Texture2D" uid="uid://coarr28adgo1u" path="res://Assets/Sprites/Particles/point-light.png" id="9_tk6lc"]
 [ext_resource type="AudioStream" uid="uid://cwy4giq8eod5g" path="res://Assets/Sounds/bow-release.wav" id="9_v051g"]
+[ext_resource type="Texture2D" uid="uid://dj1vsctgh1scr" path="res://Assets/Sprites/Misc/flame.png" id="9_xwcvy"]
+
+[sub_resource type="AtlasTexture" id="AtlasTexture_5af70"]
+atlas = ExtResource("9_xwcvy")
+region = Rect2(0, 0, 8, 8)
+
+[sub_resource type="AtlasTexture" id="AtlasTexture_bct7o"]
+atlas = ExtResource("9_xwcvy")
+region = Rect2(8, 0, 8, 8)
+
+[sub_resource type="AtlasTexture" id="AtlasTexture_fhtjn"]
+atlas = ExtResource("9_xwcvy")
+region = Rect2(16, 0, 8, 8)
+
+[sub_resource type="AtlasTexture" id="AtlasTexture_si88l"]
+atlas = ExtResource("9_xwcvy")
+region = Rect2(24, 0, 8, 8)
+
+[sub_resource type="AtlasTexture" id="AtlasTexture_ap5vw"]
+atlas = ExtResource("9_xwcvy")
+region = Rect2(32, 0, 8, 8)
+
+[sub_resource type="AtlasTexture" id="AtlasTexture_uad0p"]
+atlas = ExtResource("9_xwcvy")
+region = Rect2(40, 0, 8, 8)
+
+[sub_resource type="AtlasTexture" id="AtlasTexture_cxv2f"]
+atlas = ExtResource("9_xwcvy")
+region = Rect2(48, 0, 8, 8)
+
+[sub_resource type="SpriteFrames" id="SpriteFrames_b2khh"]
+animations = [{
+"frames": [{
+"duration": 1.0,
+"texture": SubResource("AtlasTexture_5af70")
+}, {
+"duration": 1.0,
+"texture": SubResource("AtlasTexture_bct7o")
+}, {
+"duration": 1.0,
+"texture": SubResource("AtlasTexture_fhtjn")
+}, {
+"duration": 1.0,
+"texture": SubResource("AtlasTexture_si88l")
+}, {
+"duration": 1.0,
+"texture": SubResource("AtlasTexture_ap5vw")
+}, {
+"duration": 1.0,
+"texture": SubResource("AtlasTexture_uad0p")
+}, {
+"duration": 1.0,
+"texture": SubResource("AtlasTexture_cxv2f")
+}],
+"loop": true,
+"name": &"default",
+"speed": 10.0
+}]
 
 [sub_resource type="Animation" id="Animation_h0fti"]
 resource_name = "RESET"
@@ -25,6 +83,30 @@ tracks/0/keys = {
 "update": 1,
 "values": [0]
 }
+tracks/1/type = "value"
+tracks/1/imported = false
+tracks/1/enabled = true
+tracks/1/path = NodePath("Anchor/Flame:position")
+tracks/1/interp = 1
+tracks/1/loop_wrap = true
+tracks/1/keys = {
+"times": PackedFloat32Array(0),
+"transitions": PackedFloat32Array(1),
+"update": 0,
+"values": [Vector2(15, -8)]
+}
+tracks/2/type = "value"
+tracks/2/imported = false
+tracks/2/enabled = true
+tracks/2/path = NodePath("Anchor/Flame:visible")
+tracks/2/interp = 1
+tracks/2/loop_wrap = true
+tracks/2/keys = {
+"times": PackedFloat32Array(0),
+"transitions": PackedFloat32Array(1),
+"update": 1,
+"values": [false]
+}
 
 [sub_resource type="Animation" id="Animation_8qr8x"]
 resource_name = "charge"
@@ -56,6 +138,18 @@ tracks/1/keys = {
 "times": PackedFloat32Array(0)
 }
 tracks/1/use_blend = true
+tracks/2/type = "value"
+tracks/2/imported = false
+tracks/2/enabled = true
+tracks/2/path = NodePath("Anchor/Flame:position")
+tracks/2/interp = 1
+tracks/2/loop_wrap = true
+tracks/2/keys = {
+"times": PackedFloat32Array(0, 0.1, 0.2, 0.3, 0.4, 0.5),
+"transitions": PackedFloat32Array(1, 1, 1, 1, 1, 1),
+"update": 1,
+"values": [Vector2(15, -8), Vector2(14, -8), Vector2(13, -8), Vector2(12, -8), Vector2(11, -8), Vector2(9, -8)]
+}
 
 [sub_resource type="Animation" id="Animation_bejvb"]
 resource_name = "fire"
@@ -86,6 +180,30 @@ tracks/1/keys = {
 "times": PackedFloat32Array(0)
 }
 tracks/1/use_blend = true
+tracks/2/type = "value"
+tracks/2/imported = false
+tracks/2/enabled = true
+tracks/2/path = NodePath("Anchor/Flame:position")
+tracks/2/interp = 1
+tracks/2/loop_wrap = true
+tracks/2/keys = {
+"times": PackedFloat32Array(0),
+"transitions": PackedFloat32Array(1),
+"update": 0,
+"values": [Vector2(15, -8)]
+}
+tracks/3/type = "value"
+tracks/3/imported = false
+tracks/3/enabled = true
+tracks/3/path = NodePath("Anchor/Flame:visible")
+tracks/3/interp = 1
+tracks/3/loop_wrap = true
+tracks/3/keys = {
+"times": PackedFloat32Array(0),
+"transitions": PackedFloat32Array(1),
+"update": 1,
+"values": [false]
+}
 
 [sub_resource type="Animation" id="Animation_riv7t"]
 resource_name = "idle"
@@ -112,19 +230,17 @@ _data = {
 
 [sub_resource type="CircleShape2D" id="CircleShape2D_6b356"]
 
-[node name="Bow" type="Node2D" node_paths=PackedStringArray("StateMachine")]
+[node name="Bow" type="Node2D"]
 y_sort_enabled = true
-script = ExtResource("1_76bur")
+script = ExtResource("1_ikgu2")
 Projectile = ExtResource("2_mvw0j")
 ChargeTime = 0.5
-StateMachine = NodePath("StateMachine")
 Damage = 20.0
 UseTime = 0.5
 Knockback = 64.0
 InitialVelocity = 200.0
 ShouldFreezeAngleOnUse = false
 PlayerLevelGain = 1.0
-Metadata = ExtResource("3_j7q7r")
 
 [node name="StateMachine" type="Node" parent="." node_paths=PackedStringArray("InitialState")]
 script = ExtResource("3_pg4gy")
@@ -166,6 +282,18 @@ centered = false
 offset = Vector2(-8, -16)
 hframes = 8
 
+[node name="Flame" type="AnimatedSprite2D" parent="Anchor"]
+unique_name_in_owner = true
+visible = false
+position = Vector2(15, -8)
+sprite_frames = SubResource("SpriteFrames_b2khh")
+autoplay = "default"
+
+[node name="PointLight2D" type="PointLight2D" parent="Anchor/Flame"]
+color = Color(1, 0.8, 0.701961, 1)
+texture = ExtResource("9_tk6lc")
+texture_scale = 0.13
+
 [node name="AnimationPlayer" type="AnimationPlayer" parent="."]
 libraries = {
 "": SubResource("AnimationLibrary_5vx8d")

Items/Weapons/ProjectileSpawner.cs

@@ -33,7 +33,7 @@ public partial class ProjectileSpawner : Ranged
         }
     }
 
-    protected virtual void SpawnProjectile(Scenes.Map map,
+    protected virtual Entities.Projectile SpawnProjectile(Scenes.Map map,
         Vector2 direction, float velocityModifier = 1)
     {
         var projectile = map.SpawnEntity<Entities.Projectile>(Projectile);
@@ -70,6 +70,7 @@ public partial class ProjectileSpawner : Ranged
             }
         }
 
+        return projectile;
     }
 
     public override void Attack()