feat(多人游戏): 实现基础多人游戏功能

- 添加玩家位置同步功能
- 实现服务器和客户端连接管理
- 添加玩家名称输入和生成逻辑
- 完善多人游戏UI界面
- 移除单机模式下的预设玩家角色

scripts/Contents/Panels/Starter.gd

@@ -3,6 +3,7 @@ extends FullscreenPanelBase
 
 @onready var diffEdit: HSlider = $"%diffEdit"
 @onready var startBtn: Button = $"%startBtn"
+@onready var startMultiplayerBtn: Button = $"%startMultiplayerBtn"
 @onready var levelShow: Label = $"%levelShow"
 @onready var hostInput: LineEdit = $"%hostInput"
 @onready var portInput: LineEdit = $"%portInput"
@@ -11,15 +12,30 @@ extends FullscreenPanelBase
 @onready var maxPlayerInput: LineEdit = $"%maxPlayerInput"
 @onready var connectionState: Label = $"%connectionState"
 @onready var disconnectBtn: Button = $"%disconnectBtn"
+@onready var playerNameInput: LineEdit = $"%playerNameInput"
+@onready var serverConfig: VBoxContainer = $"%serverConfig"
 
 func _ready():
 	diffEdit.min_value = GameRule.difficultyRange.x
 	diffEdit.max_value = GameRule.difficultyRange.y
+	multiplayer.connection_failed.connect(
+		func():
+			setState(MultiplayerState.ConnectionState.DISCONNECTED)
+	)
+	multiplayer.peer_connected.connect(
+		func():
+			setState(MultiplayerState.ConnectionState.CONNECTED_CLIENT)
+	)
 	startBtn.pressed.connect(
 		func():
+			EntityBase.generatePlayer(playerNameInput.text)
 			Wave.next()
 			UIState.closeCurrentPanel()
 	)
+	startMultiplayerBtn.pressed.connect(
+		func():
+			pass
+	)
 	maxPlayerInput.text_changed.connect(
 		func(text):
 			MultiplayerState.maxPlayer = int(text)
@@ -27,6 +43,16 @@ func _ready():
 	launchBtn.pressed.connect(
 		func():
 			MultiplayerState.launchServer(int(portInput.text))
+			setState(MultiplayerState.ConnectionState.CONNECTED_HOST)
+	)
+	connectBtn.pressed.connect(
+		func():
+			multiplayer.multiplayer_peer = MultiplayerState.connectClient(hostInput.text, int(portInput.text))
+			setState(MultiplayerState.ConnectionState.CONNECTING)
+	)
+	disconnectBtn.pressed.connect(
+		func():
+			setState(MultiplayerState.ConnectionState.DISCONNECTED)
 	)
 	setState(MultiplayerState.ConnectionState.DISCONNECTED)
 func _physics_process(_delta):
@@ -38,3 +64,5 @@ func setState(state: MultiplayerState.ConnectionState):
 	connectionState.text = "状态：%s" % MultiplayerState.stateTextMap[state]
 	connectionState.modulate = MultiplayerState.stateColorMap[state]
 	disconnectBtn.disabled = not MultiplayerState.isConnected()
+	startMultiplayerBtn.disabled = not MultiplayerState.isConnected()
+	serverConfig.visible = MultiplayerState.state == MultiplayerState.ConnectionState.CONNECTED_HOST

scripts/Statemachine/EntityBase.gd

@@ -175,6 +175,7 @@ func _physics_process(_delta: float) -> void:
 	move_and_slide()
 	storeEnergy(randf_range(0.01, 0.05 + fields.get(FieldStore.Entity.ENERGY_REGENERATION) - 1), true)
 	trailParticle.emitting = trailing
+	rpc("syncPosition", displayName, position)
 
 # 通用方法
 func rebuildWeaponIcons():
@@ -393,11 +394,26 @@ func summon(who: PackedScene, syncFields: bool = true, lockValue: bool = true) -
 	get_parent().add_child(instance)
 	return instance
 
+# 多人游戏数据同步
+@rpc("any_peer")
+func syncPosition(player: String, newPosition: Vector2):
+	if player == displayName:
+		position = newPosition
+@rpc("any_peer")
+func syncHealth(player: String, newHealth: float):
+	if player == displayName:
+		health = newHealth
+		healthChanged.emit(health)
+@rpc("any_peer")
+func syncAttack(player: String, index: int):
+	if player == displayName:
+		tryAttack(index)
+
 # 关于追踪
 func getTrackingAnchor() -> Vector2:
 	return hurtbox.get_node("hitbox").global_position
 
-# 关于分组
+# 关于实体类型
 func isPlayer() -> bool:
 	return is_in_group("players")
 func isSummon() -> bool:
@@ -430,6 +446,10 @@ func enterStage(_stage: int):
 func kill():
 	pass
 
+static func generatePlayer(playerName: String):
+	var player = generate(ComponentManager.getCharacter("Rooster"), Vector2.ZERO, false, false, true)
+	player.displayName = playerName
+	return player
 static func generate(
 	entity: PackedScene,
 	spawnPosition: Vector2,
@@ -443,6 +463,8 @@ static func generate(
 	instance.level = clamp((round(Wave.current * (1 + GameRule.entityLevelOffsetByWave * randf_range(-1, 1)))), 1, INF)
 	if isMob:
 		instance.add_to_group("mobs")
+	else:
+		instance.add_to_group("players")
 	if addToWorld:
 		WorldManager.rootNode.add_child(instance)
 	return instance

scripts/Tools/Managers/MultiplayerState.gd

@@ -9,7 +9,7 @@ enum ConnectionState {
 }
 static var stateTextMap = {
 	ConnectionState.DISCONNECTED: "未连接到服务器。",
-	ConnectionState.CONNECTING: "连接中...",
+	ConnectionState.CONNECTING: "正在连接到服务器...",
 	ConnectionState.CONNECTED_HOST: "服务器启动成功！",
 	ConnectionState.CONNECTED_CLIENT: "已连接到服务器！",
 }
@@ -21,18 +21,17 @@ static var stateColorMap = {
 }
 
 static var state: ConnectionState = ConnectionState.DISCONNECTED
-static var isMultiplayer: bool = false
 
 static var maxPlayer: int = 10
 
 static func isConnected():
 	return [ConnectionState.CONNECTED_HOST, ConnectionState.CONNECTED_CLIENT].has(state)
-static func launchServer(port: int):
+static func launchServer(port: int) -> ENetMultiplayerPeer:
 	var peer = ENetMultiplayerPeer.new()
 	peer.create_server(port, maxPlayer)
 	state = ConnectionState.CONNECTED_HOST
 	return peer
-static func connectClient(host: String, port: int):
+static func connectClient(host: String, port: int) -> ENetMultiplayerPeer:
 	var peer = ENetMultiplayerPeer.new()
 	peer.create_client(host, port)
 	state = ConnectionState.CONNECTED_CLIENT