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

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()):
-		penerate -= entity.fields[FieldStore.Entity.PENARATION_RESISTANCE]
+	if MathTool.rate(fullPenerate() - 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 = baseDamage + baseDamage * int(crit) * fields.get(FieldStore.Entity.CRIT_DAMAGE)
+	var damage = bullet.calculateDamage(crit)
 	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