Implement 40250 classic client port

project/netplay_test.gd

@@ -17,17 +17,19 @@ class FakeClient extends Node:
 	signal vitals_changed(vid: int)
 	signal points_changed(points: Dictionary)
 	signal target_info(vid: int, hp_percent: int)
+	signal observer_mode_changed(enabled: bool)
 	signal chat(type: int, vid: int, text: String)
 	var ents := {}
 	var main := 0
 	var in_game := true
-	var calls := {"move": [], "attack": [], "set_target": []}
+	var calls := {"move": [], "attack": [], "set_target": [], "click_npc": []}
 	func is_in_game() -> bool: return in_game
 	func get_main_vid() -> int: return main
 	func get_entity(vid: int) -> Dictionary: return ents.get(vid, {})
 	func move(f, a, rot, x, y) -> bool: calls.move.append([f, a, rot, x, y]); return true
 	func attack(motion, vid) -> bool: calls.attack.append([motion, vid]); return true
 	func set_target(vid) -> bool: calls.set_target.append(vid); return true
+	func click_npc(vid) -> bool: calls.click_npc.append(vid); return true
 
 class FakePC extends Node:
 	signal target_selected(node: Node3D)
@@ -119,6 +121,15 @@ func _run() -> void:
 	pc.target_selected.emit(mob)
 	_ck(fc.calls.set_target.size() == 1 and fc.calls.set_target[0] == 2000, "set_target(2000)")
 
+	# NPC/传送点/石头走 click_npc，而不是被误当成攻击目标；这是 Cube
+	# 窗口由服务端 cube_open 命令打开前的入口。
+	var npc := Node3D.new()
+	npc.set_meta("vid", 3000)
+	root.add_child(npc)
+	fc.ents[3000] = {"vid": 3000, "ch_type": 1, "name": "Cube NPC", "pos": npc.position}
+	pc.target_selected.emit(npc)
+	_ck(fc.calls.click_npc == [3000], "NPC selection -> click_npc(3000)")
+
 	# 5) 攻击距离内 -> 按 attack_period 自动 attack
 	for i in 4: await process_frame
 	_ck(fc.calls.attack.size() >= 1, "auto-attack fired, got %d" % fc.calls.attack.size())
@@ -150,3 +161,13 @@ func _run() -> void:
 	fc.ents[2000]["dead"] = true
 	fc.entity_dead.emit(2000)
 	_ck(hud.cleared >= 1, "target cleared on death")
+
+	# 10) 观战模式锁住本地移动/选目标，并清掉当前目标
+	fc.ents[2000]["dead"] = false
+	fc.observer_mode_changed.emit(true)
+	pc.player.position = Vector3(8, 0, -5)
+	pc.moved.emit(pc.player.position)
+	pc.target_selected.emit(mob)
+	_ck(fc.calls.move.size() == 2 and fc.calls.set_target.size() == 1,
+			"observer mode blocks local movement and targeting")
+	fc.observer_mode_changed.emit(false)