100 lines
4.5 KiB
C#
100 lines
4.5 KiB
C#
using BaseGames.Core.Events;
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using UnityEngine;
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namespace BaseGames.World
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{
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/// <summary>
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/// 房间/场景过渡触发器。玩家进入触发器或按交互键时，广播 <see cref="SceneLoadRequest"/>。
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/// <para>
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/// 通过 <see cref="_transitionType"/> 控制过渡演出：
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/// <list type="bullet">
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/// <item><b>Room</b>：极短淡出，无加载画面，适合相邻房间边界。</item>
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/// <item><b>Scene</b>：完整淡出 + 加载画面，适合大区域切换。</item>
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/// </list>
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/// 如需门动画，请改用 <see cref="DoorTransition"/> 组件，它会在动画完成后内部触发本组件。
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/// </para>
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/// </summary>
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[RequireComponent(typeof(Collider2D))]
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public class RoomTransition : MonoBehaviour, IInteractable
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{
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[Header("本传送门标识")]
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[SerializeField] private string _transitionId; // 本出口唯一 ID（供 SceneLoader 写入复活点）
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[Header("目标")]
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[SerializeField] private string _targetSceneAddress; // Addressable key（目标场景）
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[SerializeField] private string _targetTransitionId; // 目标房间出生点 ID
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[Header("过渡类型")]
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[Tooltip("Room：极短淡出，无加载画面，相邻房间边界专用。\n" +
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"Scene：完整淡出 + 加载画面，大区域/地图间切换专用。")]
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[SerializeField] private TransitionType _transitionType = TransitionType.Room;
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[Header("触发方式")]
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[SerializeField] private bool _autoTrigger = true; // true = 玩家进入触发器自动触发
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[Header("钥匙物品校验")]
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[SerializeField] private bool _requiresKeyItem; // 是否需要持有指定钥匙物品
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[SerializeField] private string _requiredItemId; // 钥匙物品 ID（_requiresKeyItem = true 时生效）
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[Header("事件频道")]
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[SerializeField] private SceneLoadRequestEventChannelSO _onSceneLoadRequest;
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[Header("世界状态")]
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[SerializeField] private WorldStateRegistry _worldState;
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// ── IInteractable ─────────────────────────────────────────────────────
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public bool CanInteract => !_autoTrigger;
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public string InteractPrompt => _transitionType == TransitionType.Scene ? "前往下一区域" : "进入";
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public void Interact(Transform player) => RequestTransition();
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public void OnPlayerEnterRange(Transform player) { }
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public void OnPlayerExitRange() { }
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// ── Auto Trigger ──────────────────────────────────────────────────────
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private void OnTriggerEnter2D(Collider2D other)
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{
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if (!_autoTrigger) return;
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if (!other.CompareTag("Player")) return;
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RequestTransition();
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}
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/// <summary>触发过渡。可由触发器、交互系统或 <see cref="DoorTransition"/> 调用。</summary>
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public void RequestTransition()
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{
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if (_requiresKeyItem && !HasItem(_requiredItemId)) return;
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_onSceneLoadRequest?.Raise(new SceneLoadRequest
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{
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SceneName = _targetSceneAddress,
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EntryTransitionId = _targetTransitionId,
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TransitionType = _transitionType,
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ShowLoadingScreen = _transitionType == TransitionType.Scene,
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IsRespawn = false,
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});
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}
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/// <summary>检查玩家是否持有指定物品（通过 WorldStateRegistry.IsCollected 检查）。</summary>
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private bool HasItem(string itemId)
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{
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if (string.IsNullOrEmpty(itemId)) return true;
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if (_worldState == null)
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{
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Debug.LogWarning($"[RoomTransition] WorldStateRegistry 未配置，钥匙 {itemId} 检查跳过");
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return false;
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}
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return _worldState.IsCollected(itemId);
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}
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private void OnDrawGizmos()
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{
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var col = GetComponent<Collider2D>();
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if (col == null) return;
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Gizmos.color = _transitionType == TransitionType.Scene
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? new Color(1f, 0.6f, 0f, 0.6f) // 橙色：大区域切换
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: new Color(0f, 1f, 0.5f, 0.6f); // 绿色：房间切换
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Gizmos.DrawWireCube(transform.position, col.bounds.size);
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}
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}
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}
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