first commit

2026-03-20 17:55:53 +08:00
commit 41e38311f0
327 changed files with 11557 additions and 0 deletions
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+using System;
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace OCES.Audio
+{
+    /// <summary>
+    /// 维护当前激活的游戏状态，在状态变化时全量匹配 Path 表，返回应当播放的 ContainerId。
+    /// </summary>
+    public class MusicStateRouter
+    {
+        // key: StateGroup enum Type，value: 当前激活的 enum 整数值
+        readonly Dictionary<Type, int> m_activeStates = new();
+
+        readonly MusicPathConfig m_musicPaths;
+        readonly AmbiencePathConfig m_ambiencePaths;
+
+        // 上一次匹配到的 PathId，用于 Transition 表的 FromPathId 查询
+        public uint LastMusicPathId { get; private set; }
+        public uint LastAmbiencePathId { get; private set; }
+
+        public MusicStateRouter(MusicPathConfig musicPaths, AmbiencePathConfig ambiencePaths)
+        {
+            this.m_musicPaths    = musicPaths;
+            this.m_ambiencePaths = ambiencePaths;
+        }
+
+        /// <summary>
+        /// 更新某个 StateGroup 的当前值，并重新全量匹配两张 Path 表。
+        /// </summary>
+        public void SetState<TEnum>(TEnum state, out uint musicContainerId, out uint ambienceContainerId)
+            where TEnum : Enum
+        {
+            // Dictionary<Type, int> 天然保证同一 StateGroup 只保留最新值，直接覆盖即可
+            this.m_activeStates[typeof(TEnum)] = Convert.ToInt32(state);
+
+            musicContainerId   = MatchBestPath(this.m_musicPaths.MusicPathList(),   out uint musicPathId);
+            ambienceContainerId = MatchBestPath(this.m_ambiencePaths.AmbiencePathList(), out uint ambiencePathId);
+
+            LastMusicPathId    = musicPathId;
+            LastAmbiencePathId = ambiencePathId;
+        }
+
+        // ─────────────────────────────────────────────
+        // 内部匹配逻辑
+        // ─────────────────────────────────────────────
+
+        /// <summary>
+        /// 遍历路径列表，找到所有满足当前状态的规则，返回 priority 最小（最高优先级）的那条的 ContainerId。
+        /// </summary>
+        uint MatchBestPath<T>(List<T> paths, out uint matchedPathId) where T : IPathEntry
+        {
+            IPathEntry best = null;
+            foreach (T path in paths)
+            {
+                if (PathMatches(path.Path) && (best == null || path.Priority < best.Priority))
+                    best = path;
+            }
+
+            if (best != null)
+            {
+                matchedPathId = best.Id;
+                return best.ContainerId;
+            }
+
+            matchedPathId = 0;
+            return 0;
+        }
+
+        /// <summary>
+        /// 解析 path 字符串，判断当前激活状态是否满足该条规则。
+        /// 格式：TypeID1,子状态|TypeID2,子状态……
+        /// 规则中的每一个条件都必须满足（AND 关系）。
+        /// </summary>
+        bool PathMatches(string pathStr)
+        {
+            if (string.IsNullOrEmpty(pathStr))
+                return true; // 空 path 视为无条件匹配（默认兜底规则）
+
+            string[] conditions = pathStr.Split('|');
+            foreach (string condition in conditions)
+            {
+                string[] parts = condition.Split(',');
+                if (parts.Length != 2)
+                {
+                    Debug.LogWarning($"[MusicStateRouter] Path格式错误: '{condition}'");
+                    return false;
+                }
+
+                if (!int.TryParse(parts[0].Trim(), out int typeId) ||
+                    !int.TryParse(parts[1].Trim(), out int stateValue))
+                {
+                    Debug.LogWarning($"[MusicStateRouter] Path解析失败: '{condition}'");
+                    return false;
+                }
+
+                bool conditionMet = false;
+                foreach (KeyValuePair<Type, int> kv in this.m_activeStates)
+                {
+                    if (StateGroupRegistry.GetTypeId(kv.Key) != typeId || kv.Value != stateValue)
+                        continue;
+                    conditionMet = true;
+                    break;
+                }
+
+                if (!conditionMet)
+                    return false;
+            }
+
+            return true;
+        }
+    }
+
+    // ─────────────────────────────────────────────
+    // StateGroup 注册表：将 enum Type 映射为策划表中填写的 TypeId 整数
+    // ─────────────────────────────────────────────
+
+    /// <summary>
+    /// 程序员在此注册所有 StateGroup enum 与其对应 TypeId 的映射关系。
+    /// 策划在 MusicPath.path 字段中填写的 TypeId 数字必须与此处一致。
+    /// </summary>
+    public static class StateGroupRegistry
+    {
+        static readonly Dictionary<Type, int> s_typeIdMap = new();
+
+        public static void Register<TEnum>(int typeId) where TEnum : Enum
+        {
+            s_typeIdMap[typeof(TEnum)] = typeId;
+        }
+
+        public static int GetTypeId(Type enumType)
+        {
+            if (s_typeIdMap.TryGetValue(enumType, out int id))
+                return id;
+            Debug.LogWarning($"[StateGroupRegistry] 未注册的StateGroup类型: {enumType.Name}，请调用StateGroupRegistry.Register<T>()");
+            return -1;
+        }
+    }
+    
+    // ─────────────────────────────────────────────
+    // 辅助接口，让泛型方法同时处理 MusicPath 和 AmbiencePath
+    // ─────────────────────────────────────────────
+
+    public interface IPathEntry
+    {
+        uint Id          { get; }
+        string Path      { get; }
+        uint ContainerId { get; }
+        int Priority     { get; }
+    }
+
+    public partial class MusicPath    : IPathEntry { }
+    public partial class AmbiencePath : IPathEntry { }
+}