feat(障碍物系统): 添加草墙障碍物及相关功能

实现草墙障碍物系统，包括以下主要变更：
- 新增草墙障碍物资源、脚本和场景
- 添加障碍物状态显示UI
- 扩展组件管理器支持障碍物类型
- 修改子弹系统以支持对障碍物的碰撞检测
- 调整实体碰撞层设置
- 为公鸡角色添加草墙武器

新增功能允许玩家放置可阻挡敌人的草墙障碍物，并显示其生命值状态

components/Abstracts/EntityBase.tscn

@@ -347,7 +347,6 @@ alpha_curve = SubResource("CurveTexture_vvfxd")
 [sub_resource type="CircleShape2D" id="CircleShape2D_34h7q"]
 
 [node name="EntityBase" type="CharacterBody2D"]
-collision_layer = 0
 script = ExtResource("1_mvol6")
 
 [node name="syncer" type="MultiplayerSynchronizer" parent="."]

components/Abstracts/ObstacleBase.tscn

@@ -0,0 +1,40 @@
+[gd_scene load_steps=6 format=3 uid="uid://dwydudqawsiqi"]
+
+[ext_resource type="Texture2D" uid="uid://dwwpkn4q07ja2" path="res://icon.svg" id="1_4helc"]
+[ext_resource type="Script" uid="uid://bj26s4i47bw0a" path="res://scripts/Statemachine/ObstacleBase.gd" id="1_b4dgm"]
+[ext_resource type="PackedScene" uid="uid://copkyentuuxpt" path="res://components/UI/ObstacleStateBar.tscn" id="3_esd5c"]
+
+[sub_resource type="SpriteFrames" id="SpriteFrames_b4dgm"]
+animations = [{
+"frames": [{
+"duration": 1.0,
+"texture": ExtResource("1_4helc")
+}],
+"loop": true,
+"name": &"default",
+"speed": 5.0
+}]
+
+[sub_resource type="CircleShape2D" id="CircleShape2D_1gjhb"]
+radius = 70.00714
+
+[node name="ObstacleBase" type="StaticBody2D"]
+script = ExtResource("1_b4dgm")
+healthMax = null
+penerateResistance = null
+blockPlayer = null
+blockEnemy = null
+
+[node name="texture" type="AnimatedSprite2D" parent="."]
+unique_name_in_owner = true
+sprite_frames = SubResource("SpriteFrames_b4dgm")
+
+[node name="statebar" parent="texture" node_paths=PackedStringArray("obstacle") instance=ExtResource("3_esd5c")]
+unique_name_in_owner = true
+position = Vector2(0, -86)
+obstacle = NodePath("../..")
+
+[node name="hitbox" type="CollisionShape2D" parent="."]
+unique_name_in_owner = true
+shape = SubResource("CircleShape2D_1gjhb")
+debug_color = Color(1, 0.09928554, 0, 0.41960785)

components/Characters/Rooster.tscn

@@ -1,7 +1,8 @@
-[gd_scene load_steps=13 format=3 uid="uid://dky8574uqc18r"]
+[gd_scene load_steps=14 format=3 uid="uid://dky8574uqc18r"]
 
 [ext_resource type="PackedScene" uid="uid://cvogxi7mktumf" path="res://components/Abstracts/EntityBase.tscn" id="1_e5pl8"]
 [ext_resource type="Script" uid="uid://cthtupc6dtbav" path="res://scripts/Contents/Characters/Rooster.gd" id="2_oqdqd"]
+[ext_resource type="PackedScene" uid="uid://dldnbpubu2jgm" path="res://components/Weapons/GrassWall.tscn" id="3_0omr3"]
 [ext_resource type="PackedScene" uid="uid://b5ebx8duvgtt5" path="res://components/Weapons/Oxygener.tscn" id="3_da2ca"]
 [ext_resource type="AudioStream" uid="uid://cdrevrq7n6yqa" path="res://resources/sounds/effect/Boing.mp3" id="4_66s6c"]
 [ext_resource type="AudioStream" uid="uid://benyec5bqni0b" path="res://resources/sounds/effect/Chomp.wav" id="4_k0yme"]
@@ -58,7 +59,10 @@ metadata/_edit_vertical_guides_ = [71.0]
 [node name="weaponStore" parent="." index="1"]
 process_mode = 4
 
-[node name="Oxygener" parent="weaponStore" index="0" instance=ExtResource("3_da2ca")]
+[node name="GrassWall" parent="weaponStore" index="0" instance=ExtResource("3_0omr3")]
+offset_bottom = 374.0
+
+[node name="Oxygener" parent="weaponStore" index="1" instance=ExtResource("3_da2ca")]
 debugRebuild = false
 
 [node name="sprint" parent="sounds" index="0"]

components/Obstacles/GrassWall.tscn

@@ -0,0 +1,36 @@
+[gd_scene load_steps=5 format=3 uid="uid://bu2qnw81241wv"]
+
+[ext_resource type="PackedScene" uid="uid://dwydudqawsiqi" path="res://components/Abstracts/ObstacleBase.tscn" id="1_76v8o"]
+[ext_resource type="Texture2D" uid="uid://vmd6kegvbs31" path="res://resources/characters/grass-wall/grasswall.png" id="2_7gks2"]
+
+[sub_resource type="SpriteFrames" id="SpriteFrames_pu7bs"]
+animations = [{
+"frames": [{
+"duration": 1.0,
+"texture": ExtResource("2_7gks2")
+}],
+"loop": true,
+"name": &"default",
+"speed": 5.0
+}]
+
+[sub_resource type="RectangleShape2D" id="RectangleShape2D_qvy1c"]
+size = Vector2(700, 60)
+
+[node name="GrassWall" instance=ExtResource("1_76v8o")]
+healthMax = 100.0
+penerateResistance = 0.0
+blockPlayer = false
+blockEnemy = true
+
+[node name="texture" parent="." index="0"]
+rotation = 1.5707964
+sprite_frames = SubResource("SpriteFrames_pu7bs")
+
+[node name="statebar" parent="texture" index="0"]
+position = Vector2(-374, 0)
+rotation = -1.5707964
+
+[node name="hitbox" parent="." index="1"]
+rotation = 1.5707964
+shape = SubResource("RectangleShape2D_qvy1c")

components/Scenes/World.tscn

@@ -92,6 +92,8 @@ libraries = {
 }
 
 [node name="map" type="StaticBody2D" parent="." groups=["map"]]
+collision_layer = 6
+collision_mask = 6
 metadata/_edit_lock_ = true
 
 [node name="background" type="Sprite2D" parent="map"]

components/UI/ItemDropped.tscn

@@ -1,6 +1,6 @@
 [gd_scene load_steps=17 format=3 uid="uid://cxcvc1rjvm8i2"]
 
-[ext_resource type="Script" path="res://scripts/Statemachine/ItemDropped.gd" id="1_v2djl"]
+[ext_resource type="Script" uid="uid://cfxrtel5gjia0" path="res://scripts/Statemachine/ItemDropped.gd" id="1_v2djl"]
 [ext_resource type="Texture2D" uid="uid://bks8jmctleina" path="res://resources/items/baseball.svg" id="2_4hl42"]
 
 [sub_resource type="PhysicsMaterial" id="PhysicsMaterial_1ishj"]
@@ -81,8 +81,8 @@ tracks/2/keys = {
 
 [sub_resource type="AnimationLibrary" id="AnimationLibrary_2q7p1"]
 _data = {
-"RESET": SubResource("Animation_5i70v"),
+&"RESET": SubResource("Animation_5i70v"),
-"collect": SubResource("Animation_l0b83")
+&"collect": SubResource("Animation_l0b83")
 }
 
 [sub_resource type="CircleShape2D" id="CircleShape2D_7lt1c"]
@@ -96,7 +96,7 @@ point_count = 2
 curve = SubResource("Curve_11h7l")
 
 [sub_resource type="Curve" id="Curve_h22hm"]
-min_value = -1.0
+_limits = [-1.0, 1.0, 0.0, 1.0]
 _data = [Vector2(0, 1), 0.0, 0.0, 0, 0, Vector2(1, -1), 0.0, 0.0, 0, 0]
 point_count = 2
 
@@ -131,8 +131,8 @@ color_initial_ramp = SubResource("GradientTexture1D_5p7rs")
 alpha_curve = SubResource("CurveTexture_u4ger")
 
 [node name="ItemDropped" type="RigidBody2D"]
-collision_layer = 2
+collision_layer = 512
-collision_mask = 2
+collision_mask = 512
 physics_material_override = SubResource("PhysicsMaterial_1ishj")
 contact_monitor = true
 max_contacts_reported = 1
@@ -147,7 +147,7 @@ texture = ExtResource("2_4hl42")
 [node name="animator" type="AnimationPlayer" parent="texture"]
 unique_name_in_owner = true
 libraries = {
-"": SubResource("AnimationLibrary_2q7p1")
+&"": SubResource("AnimationLibrary_2q7p1")
 }
 
 [node name="hitbox" type="CollisionShape2D" parent="."]

components/UI/ObstacleStateBar.tscn

@@ -0,0 +1,61 @@
+[gd_scene load_steps=7 format=3 uid="uid://copkyentuuxpt"]
+
+[ext_resource type="Script" uid="uid://dkt4yqm0juwic" path="res://scripts/Statemachine/ObstacleStateBar.gd" id="1_a6rqj"]
+[ext_resource type="PackedScene" uid="uid://d1ulrvupa76ap" path="res://components/UI/ColorBar.tscn" id="2_vl2cs"]
+
+[sub_resource type="StyleBoxFlat" id="StyleBoxFlat_w56p2"]
+bg_color = Color(0, 0, 0, 0.5)
+
+[sub_resource type="StyleBoxFlat" id="StyleBoxFlat_2sar3"]
+bg_color = Color(1, 0, 0, 0.5)
+
+[sub_resource type="StyleBoxFlat" id="StyleBoxFlat_i0t67"]
+bg_color = Color(0, 1, 0, 0.5)
+
+[sub_resource type="StyleBoxFlat" id="StyleBoxFlat_jxamg"]
+bg_color = Color(1, 1, 1, 1)
+
+[node name="ObstacleStateBar" type="Node2D"]
+script = ExtResource("1_a6rqj")
+
+[node name="health" parent="." instance=ExtResource("2_vl2cs")]
+unique_name_in_owner = true
+offset_left = -50.0
+offset_top = -5.0
+offset_right = 50.0
+offset_bottom = 5.0
+backBox = SubResource("StyleBoxFlat_w56p2")
+middleBox1 = SubResource("StyleBoxFlat_2sar3")
+middleBox2 = SubResource("StyleBoxFlat_i0t67")
+frontBox = SubResource("StyleBoxFlat_jxamg")
+
+[node name="levelLabel" type="HBoxContainer" parent="health"]
+unique_name_in_owner = true
+layout_mode = 1
+anchors_preset = -1
+anchor_left = 0.5
+anchor_top = -2.0
+anchor_right = 0.5
+anchor_bottom = -2.0
+offset_left = -25.0
+offset_top = -4.0
+offset_right = 26.0
+offset_bottom = 20.0
+grow_horizontal = 2
+alignment = 1
+
+[node name="current" type="Label" parent="health/levelLabel"]
+unique_name_in_owner = true
+layout_mode = 2
+size_flags_vertical = 8
+text = "0"
+
+[node name="separator" type="Label" parent="health/levelLabel"]
+layout_mode = 2
+text = "/"
+
+[node name="max" type="Label" parent="health/levelLabel"]
+unique_name_in_owner = true
+layout_mode = 2
+size_flags_vertical = 8
+text = "100"

components/Weapons/GrassWall.tscn

@@ -0,0 +1,34 @@
+[gd_scene load_steps=4 format=3 uid="uid://dldnbpubu2jgm"]
+
+[ext_resource type="PackedScene" uid="uid://ckq2cq6m23hq3" path="res://components/Abstracts/WeaponCardBase.tscn" id="1_wvaxu"]
+[ext_resource type="Texture2D" uid="uid://bbv5j71jkdo42" path="res://resources/weapons/grass-wall.png" id="2_kh4xg"]
+[ext_resource type="Script" uid="uid://7bmrk88b4ipd" path="res://scripts/Contents/Weapons/GrassWall.gd" id="2_us6b7"]
+
+[node name="GrassWall" instance=ExtResource("1_wvaxu")]
+script = ExtResource("2_us6b7")
+avatarTexture = ExtResource("2_kh4xg")
+displayName = "草方块菌落"
+typeTopic = 4
+costBeachball = 10
+store = {
+"atk": 200
+}
+descriptionTemplate = "分泌一堵[b]肽聚墙[/b]，可抵挡$atk点伤害，敌人更有可能瞄准你。"
+needEnergy = 35.0
+cooldown = 2000.0
+
+[node name="avatar" parent="container/info" index="0"]
+texture = ExtResource("2_kh4xg")
+
+[node name="energy" parent="container/info/infos/energyInfo" index="1"]
+text = "35.0"
+
+[node name="beachball" parent="container/info/infos" index="1"]
+count = 10
+
+[node name="name" parent="container/info" index="2"]
+displayName = "草方块菌落"
+typeTopic = 4
+
+[node name="description" parent="container" index="2"]
+text = "[center]分泌一堵[b]肽聚墙[/b]，可抵挡[color=cyan]10[/color]点伤害，敌人更有可能瞄准你。[/center]"

resources/characters/grass-wall/grasswall.png.import

@@ -0,0 +1,40 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://vmd6kegvbs31"
+path="res://.godot/imported/grasswall.png-a9cd68f8aafb229a72bf98dd0f269076.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://resources/characters/grass-wall/grasswall.png"
+dest_files=["res://.godot/imported/grasswall.png-a9cd68f8aafb229a72bf98dd0f269076.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/uastc_level=0
+compress/rdo_quality_loss=0.0
+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/channel_remap/red=0
+process/channel_remap/green=1
+process/channel_remap/blue=2
+process/channel_remap/alpha=3
+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

resources/weapons/grass-wall.png.import

@@ -0,0 +1,40 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://bbv5j71jkdo42"
+path="res://.godot/imported/grass-wall.png-f17b6b57be78b0c73c8ea21baa6757c6.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://resources/weapons/grass-wall.png"
+dest_files=["res://.godot/imported/grass-wall.png-f17b6b57be78b0c73c8ea21baa6757c6.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/uastc_level=0
+compress/rdo_quality_loss=0.0
+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/channel_remap/red=0
+process/channel_remap/green=1
+process/channel_remap/blue=2
+process/channel_remap/alpha=3
+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

scripts/Contents/Weapons/GrassWall.gd

@@ -0,0 +1,14 @@
+@tool
+extends Weapon
+
+func update(to: int, origin: Dictionary, _entity: EntityBase):
+    origin["atk"] += 3 * to * soulLevel
+    return origin
+func attack(entity: EntityBase):
+    var wall = ObstacleBase.generate(
+        ComponentManager.getObstacle("GrassWall"),
+        get_global_mouse_position(),
+        entity.findWeaponAnchor("normal").angle_to_point(get_global_mouse_position()),
+        entity
+    )
+    wall.initHealth(readStore("atk"))

scripts/Contents/Weapons/GrassWall.gd.uid

@@ -0,0 +1 @@
+uid://7bmrk88b4ipd

scripts/Statemachine/BulletBase.gd

@@ -44,7 +44,8 @@ func _ready():
 		launcherSummoned = launcher
 		launcher = launcher.myMaster
 	register()
-	area_entered.connect(hit)
+	area_entered.connect(hitEntity)
+	body_entered.connect(hitObstacle)
 	spawnInWhen = WorldManager.getTime()
 	spawnInWhere = position
 	spawn()
@@ -107,16 +108,31 @@ func setupCuttable(cutSpeed: float):
 	)
 func getDamage():
 	return baseDamage * damageMultipliers[usingDamageMultiplier]
-func hit(target: Node):
+func calculateDamage(crit: bool):
+	var baseDmg = getDamage() * launcher.fields.get(FieldStore.Entity.DAMAGE_MULTIPILER) * randf_range(1 - GameRule.damageOffset, 1 + GameRule.damageOffset)
+	var damage = baseDmg + baseDmg * int(crit) * launcher.fields.get(FieldStore.Entity.CRIT_DAMAGE)
+	return damage
+func determineCrit():
+	return MathTool.rate(launcher.fields.get(FieldStore.Entity.CRIT_RATE) + GameRule.critRateInfluenceByLuckValue * launcher.fields[FieldStore.Entity.LUCK_VALUE])
+func hitEntity(target: Node):
 	var entity: EntityBase = EntityTool.fromHurtbox(target)
 	if !BulletTool.canDamage(self, entity): return
-	var resultDamage = entity.bulletHit(self, MathTool.rate(launcher.fields.get(FieldStore.Entity.CRIT_RATE) + GameRule.critRateInfluenceByLuckValue * launcher.fields[FieldStore.Entity.LUCK_VALUE]))
+	var resultDamage = entity.bulletHit(self, determineCrit())
 	succeedToHit(resultDamage, entity)
-	if MathTool.rate(fullPenerate()):
+	if MathTool.rate(fullPenerate() - entity.fields[FieldStore.Entity.PENARATION_RESISTANCE]):
-		penerate -= entity.fields[FieldStore.Entity.PENARATION_RESISTANCE]
 		baseDamage *= 1.0 - penerateDamageReduction
 	else:
 		tryDestroy()
+func hitObstacle(target: Node):
+	if target is ObstacleBase:
+		var obstacle = target as ObstacleBase
+		if is_instance_valid(obstacle.launcher):
+			if not BulletTool.canDamage(self, obstacle.launcher): return
+		obstacle.takeDamage(calculateDamage(determineCrit()))
+		if MathTool.rate(fullPenerate() - obstacle.penerateResistance):
+			baseDamage *= 1.0 - penerateDamageReduction
+		else:
+			tryDestroy()
 func forward(direction: Vector2):
 	position += direction.normalized() * speed * GameRule.bulletSpeedMultiplier
 func fullPenerate():

scripts/Statemachine/EntityBase.gd

@@ -8,6 +8,10 @@ signal died()
 
 signal energyChanged(energy: float, dontChangeDirection: bool)
 
+enum Layers {
+	PLAYER = 1 << 2,
+	ENEMY = 1 << 1,
+}
 const TITLE_FLAG = INF
 var fields = {
 	"生存": TITLE_FLAG,
@@ -143,8 +147,12 @@ func _ready():
 		)
 		if displayName == MultiplayerState.playerName:
 			rebuildWeaponIcons()
+		collision_layer = Layers.PLAYER
+		collision_mask = Layers.PLAYER
 	else:
 		applyLevel()
+		collision_layer = Layers.ENEMY
+		collision_mask = Layers.ENEMY
 	health = fields.get(FieldStore.Entity.MAX_HEALTH)
 	energy = fields.get(FieldStore.Entity.MAX_ENERGY)
 	if is_instance_valid(statebar):
@@ -242,8 +250,7 @@ func takeDamage(baseDamage: float, crit: bool = false, perfectMiss: bool = false
 func bulletHit(bullet: BulletBase, crit: bool):
 	# 当受伤时
 	hurtAnimator.play("hurt")
-	var baseDamage: float = bullet.getDamage() * bullet.launcher.fields.get(FieldStore.Entity.DAMAGE_MULTIPILER) * randf_range(1 - GameRule.damageOffset, 1 + GameRule.damageOffset)
+	var damage = bullet.calculateDamage(crit)
-	var damage = baseDamage + baseDamage * int(crit) * fields.get(FieldStore.Entity.CRIT_DAMAGE)
 	var perfectMiss = false
 	if sprinting:
 		playSound("miss")

scripts/Statemachine/EntityStateBar.gd

@@ -1,4 +1,4 @@
-extends Node
+extends CanvasItem
 class_name EntityStateBar
 
 @export var entity: EntityBase

scripts/Statemachine/ObstacleBase.gd

@@ -0,0 +1,64 @@
+extends StaticBody2D
+class_name ObstacleBase
+
+signal healthChanged(newHealth: float)
+
+@export var healthMax: float = 100
+@export var penerateResistance: float = 0
+@export var blockPlayer: bool = false
+@export var blockEnemy: bool = false
+
+@onready var statebar: ObstacleStateBar = $%statebar
+@onready var texture: AnimatedSprite2D = $%texture
+@onready var hitbox: CollisionShape2D = $%hitbox
+var health: float = 0
+var launcher: EntityBase = null
+
+func _ready():
+	health = healthMax
+	if blockPlayer:
+		collision_layer |= EntityBase.Layers.PLAYER
+		collision_mask |= EntityBase.Layers.PLAYER
+	if blockEnemy:
+		collision_layer |= EntityBase.Layers.ENEMY
+		collision_mask |= EntityBase.Layers.ENEMY
+	healthChanged.connect(
+		func(newHealth):
+			statebar.healthBar.maxValue = healthMax
+			statebar.healthBar.setCurrent(newHealth)
+	)
+func _process(_delta):
+	statebar.global_rotation = 0
+	statebar.applyText()
+
+func initHealth(maxHealth: float):
+	healthMax = maxHealth
+	health = healthMax
+	statebar.forceSync()
+	statebar.applyText()
+func takeDamage(damage: float):
+	health -= damage
+	healthChanged.emit(health)
+	if health <= 0:
+		tryDie()
+func tryDie():
+	die()
+	queue_free()
+
+func die():
+	pass
+
+static func generate(
+	obstacle: PackedScene,
+	spawnPosition: Vector2,
+	spawnRotation: float = 0,
+	itsLauncher: EntityBase = null,
+	addToWorld: bool = true
+) -> ObstacleBase:
+	var instance: ObstacleBase = obstacle.instantiate()
+	instance.position = spawnPosition
+	instance.rotation = spawnRotation
+	instance.launcher = itsLauncher
+	if addToWorld:
+		WorldManager.rootNode.spawn(instance)
+	return instance

scripts/Statemachine/ObstacleBase.gd.uid

@@ -0,0 +1 @@
+uid://bj26s4i47bw0a

scripts/Statemachine/ObstacleStateBar.gd

@@ -0,0 +1,17 @@
+extends Node2D
+class_name ObstacleStateBar
+
+@export var obstacle: ObstacleBase
+
+@onready var healthBar: ColorBar = $%health
+@onready var currentLabel: Label = $%current
+@onready var maxLabel: Label = $%max
+@onready var levelLabelContainer: HBoxContainer = $%levelLabel
+
+func forceSync():
+	healthBar.maxValue = obstacle.healthMax
+	healthBar.currentValue = obstacle.health
+	healthBar.forceSync()
+func applyText():
+	currentLabel.text = "%d" % obstacle.health
+	maxLabel.text = "%d" % obstacle.healthMax

scripts/Statemachine/ObstacleStateBar.gd.uid

@@ -0,0 +1 @@
+uid://dkt4yqm0juwic

scripts/Tools/Managers/ComponentManager.gd

@@ -8,6 +8,7 @@ static var weapons = {}
 static var summons = {}
 static var effects = {}
 static var feeds = []
+static var obstacles = {}
 static var uiComponents = {}
 static var themes = {}
 static var fieldTextures = {}
@@ -26,6 +27,8 @@ static func init():
 		effects[DirTool.getBasenameWithoutExtension(i)] = load(i)
 	for i in DirTool.listdir("res://components/Feeds"):
 		feeds.append(load(i))
+	for i in DirTool.listdir("res://components/Obstacles"):
+		obstacles[DirTool.getBasenameWithoutExtension(i)] = load(i)
 	for i in DirTool.listdir("res://components/UI"):
 		uiComponents[DirTool.getBasenameWithoutExtension(i)] = load(i)
 	for i in DirTool.listdir("res://themes"):
@@ -48,6 +51,8 @@ static func getFeed(i: int) -> PackedScene:
 	if i >= 0 and i < feeds.size():
 		return feeds[i]
 	return null
+static func getObstacle(t: String) -> PackedScene:
+	return MathTool.priority(obstacles.get(t, false), load("res://components/Obstacles/%s.tscn" % t))
 static func getUIComponent(t: String) -> PackedScene:
 	return MathTool.priority(uiComponents.get(t, false), load("res://components/UI/%s.tscn" % t))
 static func getTheme(t: String) -> Theme: