手掌指针

character/player/player.gd

@@ -5,13 +5,15 @@ extends CharacterBody3D
 ##   Look     视角      character/player/player_look.gd
 ##   Motor    移动跳跃  character/player/player_motor.gd
 ##   Pickup   拾取      character/player/player_pickup.gd
-##   Animator 动画表现  character/player/player_animator.gd（挂在 Body/AnimationPlayer 上）
+##   Animator 动画表现  character/player/player_animator.gd（挂在 AnimationPlayer 上）
 ##
 ## 本脚本不实现任何操作，只负责「谁先谁后」和「谁有权跑」。
 
 @onready var body: Node3D = $Body
 @onready var camera_rig: Node3D = $CameraRig
 @onready var camera: Camera3D = $CameraRig/Camera
+## 准心（挂在 CameraRig/HUD 下）。远端玩家的 HUD 会随 camera_rig 一起被释放。
+@onready var crosshair: Crosshair = $CameraRig/HUD/Crosshair
 @onready var animation_player: PlayerAnimator = $AnimationPlayer
 @onready var look: PlayerLook = $Look
 @onready var motor: PlayerMotor = $Motor
@@ -43,6 +45,8 @@ func _ready() -> void:
 		camera.get_node("InteractionRay") as RayCast3D,
 		camera.get_node("InteractionPos") as Marker3D
 	)
+	# 准心接线：拾取组件一发现交互状态变化，就通知准心换外观（点 / 手 / 抓）。
+	pickup.interact_state_changed.connect(_on_pickup_interact_state_changed)
 	set_mouse_captured(true)
 
 
@@ -62,6 +66,17 @@ func set_mouse_captured(captured: bool) -> void:
 	Input.mouse_mode = Input.MOUSE_MODE_CAPTURED if captured else Input.MOUSE_MODE_VISIBLE
 
 
+## 把拾取组件的两个布尔量收敛成准心的三态。优先级：抓着 > 指着 > 没有。
+## 系统鼠标指针由准心自己同步（Crosshair.sync_os_cursor），这里不用管。
+func _on_pickup_interact_state_changed(hovering: bool, holding: bool) -> void:
+	var state := Crosshair.GrabState.NONE
+	if holding:
+		state = Crosshair.GrabState.HOLDING
+	elif hovering:
+		state = Crosshair.GrabState.HOVER
+	crosshair.set_grab_state(state)
+
+
 func _physics_process(delta: float) -> void:
 	# 顺序固定：算速度 → 推进 → 播动画 → 搬物体。
 	# 由根节点统一编排，各组件自己不许写 _physics_process ——