在项目中，脚本相互引用会造成耦合性的增加，而使用消息订阅分发，可以解耦合。
今天我们来实现统一管理的消息事件管理。
部分源码来自：http://www.cnblogs.com/suoluo/p/7439944.html
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 |
using UnityEngine; using System.Collections.Generic; using System; /// <summary> /// 消息类型 /// </summary> public enum EventType { GetDiamond, // 获得钻石 GetCoin, // 获得钱币 LevelUp, // 升级 } public class EventMgr { public delegate void Act(); public delegate void Act<T>(T t); public delegate void Act<T1, T2>(T1 t1, T2 t2); public delegate void Act<T1, T2, T3>(T1 t1, T2 t2, T3 t3); public delegate void Act<T1, T2, T3, T4>(T1 t1, T2 t2, T3 t3, T4 t4); //public delegate void Act<T1, T2, T3, T4, T5>(T1 t1, T2 t2, T3 t3, T4 t4, T5 t5); static Dictionary<EventType, Delegate> eventTable = new Dictionary<EventType, Delegate>(); #region 注册监听 public static void AddListener(EventType type, Act act) { if (!eventTable.ContainsKey(type)) { eventTable.Add(type, null); } Delegate d = eventTable[type]; if (d != null && d.GetType() != act.GetType()) { Debug.LogError(string.Format("Attempting to add listener with inconsistent signature for event type {0}. Current listeners have type {1} and listener being added has type {2}", type, d.GetType().Name, act.GetType().Name)); } else { eventTable[type] = (Act)eventTable[type] + act; } } public static void AddListener<T>(EventType type, Act<T> act) { if (!eventTable.ContainsKey(type)) { eventTable.Add(type, null); } Delegate d = eventTable[type]; if (d != null && d.GetType() != act.GetType()) { Debug.LogError(string.Format("Attempting to add listener with inconsistent signature for event type {0}. Current listeners have type {1} and listener being added has type {2}", type, d.GetType().Name, act.GetType().Name)); } else { eventTable[type] = (Act<T>)eventTable[type] + act; } } public static void AddListener<T1, T2>(EventType type, Act<T1, T2> act) { if (!eventTable.ContainsKey(type)) { eventTable.Add(type, null); } Delegate d = eventTable[type]; if (d != null && d.GetType() != act.GetType()) { Debug.LogError(string.Format("Attempting to add listener with inconsistent signature for event type {0}. Current listeners have type {1} and listener being added has type {2}", type, d.GetType().Name, act.GetType().Name)); } else { eventTable[type] = (Act<T1, T2>)eventTable[type] + act; } } public static void AddListener<T1, T2, T3>(EventType type, Act<T1, T2, T3> act) { if (!eventTable.ContainsKey(type)) { eventTable.Add(type, null); } Delegate d = eventTable[type]; if (d != null && d.GetType() != act.GetType()) { Debug.LogError(string.Format("Attempting to add listener with inconsistent signature for event type {0}. Current listeners have type {1} and listener being added has type {2}", type, d.GetType().Name, act.GetType().Name)); } else { eventTable[type] = (Act<T1, T2, T3>)eventTable[type] + act; } } public static void AddListener<T1, T2, T3, T4>(EventType type, Act<T1, T2, T3, T4> act) { if (!eventTable.ContainsKey(type)) { eventTable.Add(type, null); } Delegate d = eventTable[type]; if (d != null && d.GetType() != act.GetType()) { Debug.LogError(string.Format("Attempting to add listener with inconsistent signature for event type {0}. Current listeners have type {1} and listener being added has type {2}", type, d.GetType().Name, act.GetType().Name)); } else { eventTable[type] = (Act<T1, T2, T3, T4>)eventTable[type] + act; } } #endregion #region 移除监听 public static void RemoveListener(EventType type, Act listenerBeingRemoved) { if (eventTable.ContainsKey(type)) { Delegate d = eventTable[type]; if (d == null) { Debug.LogError(string.Format("Attempting to remove listener with for event type \"{0}\" but current listener is null.", type)); } else if (d.GetType() != listenerBeingRemoved.GetType()) { Debug.LogError(string.Format("Attempting to remove listener with inconsistent signature for event type {0}. Current listeners have type {1} and listener being removed has type {2}", type, d.GetType().Name, listenerBeingRemoved.GetType().Name)); } else { eventTable[type] = (Act)eventTable[type] - listenerBeingRemoved; if (eventTable[type] == null) { eventTable.Remove(type); } } } else { Debug.LogError(string.Format("Attempting to remove listener for type \"{0}\" but Messenger doesn't know about this event type.", type)); } } public static void RemoveListener<T>(EventType type, Act<T> listenerBeingRemoved) { if (eventTable.ContainsKey(type)) { Delegate d = eventTable[type]; if (d == null) { Debug.LogError(string.Format("Attempting to remove listener with for event type \"{0}\" but current listener is null.", type)); } else if (d.GetType() != listenerBeingRemoved.GetType()) { Debug.LogError(string.Format("Attempting to remove listener with inconsistent signature for event type {0}. Current listeners have type {1} and listener being removed has type {2}", type, d.GetType().Name, listenerBeingRemoved.GetType().Name)); } else { eventTable[type] = (Act<T>)eventTable[type] - listenerBeingRemoved; if (eventTable[type] == null) { eventTable.Remove(type); } } } else { Debug.LogError(string.Format("Attempting to remove listener for type \"{0}\" but Messenger doesn't know about this event type.", type)); } } public static void RemoveListener<T1, T2>(EventType type, Act<T1, T2> listenerBeingRemoved) { if (eventTable.ContainsKey(type)) { Delegate d = eventTable[type]; if (d == null) { Debug.LogError(string.Format("Attempting to remove listener with for event type \"{0}\" but current listener is null.", type)); } else if (d.GetType() != listenerBeingRemoved.GetType()) { Debug.LogError(string.Format("Attempting to remove listener with inconsistent signature for event type {0}. Current listeners have type {1} and listener being removed has type {2}", type, d.GetType().Name, listenerBeingRemoved.GetType().Name)); } else { eventTable[type] = (Act<T1, T2>)eventTable[type] - listenerBeingRemoved; if (eventTable[type] == null) { eventTable.Remove(type); } } } else { Debug.LogError(string.Format("Attempting to remove listener for type \"{0}\" but Messenger doesn't know about this event type.", type)); } } public static void RemoveListener<T1, T2, T3>(EventType type, Act<T1, T2, T3> listenerBeingRemoved) { if (eventTable.ContainsKey(type)) { Delegate d = eventTable[type]; if (d == null) { Debug.LogError(string.Format("Attempting to remove listener with for event type \"{0}\" but current listener is null.", type)); } else if (d.GetType() != listenerBeingRemoved.GetType()) { Debug.LogError(string.Format("Attempting to remove listener with inconsistent signature for event type {0}. Current listeners have type {1} and listener being removed has type {2}", type, d.GetType().Name, listenerBeingRemoved.GetType().Name)); } else { eventTable[type] = (Act<T1, T2, T3>)eventTable[type] - listenerBeingRemoved; if (eventTable[type] == null) { eventTable.Remove(type); } } } else { Debug.LogError(string.Format("Attempting to remove listener for type \"{0}\" but Messenger doesn't know about this event type.", type)); } } public static void RemoveListener<T1, T2, T3, T4>(EventType type, Act<T1, T2, T3, T4> listenerBeingRemoved) { if (eventTable.ContainsKey(type)) { Delegate d = eventTable[type]; if (d == null) { Debug.LogError(string.Format("Attempting to remove listener with for event type \"{0}\" but current listener is null.", type)); } else if (d.GetType() != listenerBeingRemoved.GetType()) { Debug.LogError(string.Format("Attempting to remove listener with inconsistent signature for event type {0}. Current listeners have type {1} and listener being removed has type {2}", type, d.GetType().Name, listenerBeingRemoved.GetType().Name)); } else { eventTable[type] = (Act<T1, T2, T3, T4>)eventTable[type] - listenerBeingRemoved; if (eventTable[type] == null) { eventTable.Remove(type); } } } else { Debug.LogError(string.Format("Attempting to remove listener for type \"{0}\" but Messenger doesn't know about this event type.", type)); } } public static void RemoveAllListener(EventType type) { if (eventTable.ContainsKey(type)) { eventTable[type] = null; eventTable.Remove(type); } else { Debug.LogError(string.Format("Attempting to remove listener for type \"{0}\" but Messenger doesn't know about this event type.", type)); } } #endregion #region 分配消息 public static void Dispatch(EventType type) { Delegate d; if (eventTable.TryGetValue(type, out d)) { Act callback = d as Act; if (callback != null) { callback(); } else { Debug.LogError(string.Format("no such event type {0}", type)); } } } public static void Dispatch<T>(EventType type, T param1) { Delegate d; if (eventTable.TryGetValue(type, out d)) { Act<T> callback = d as Act<T>; if (callback != null) { callback(param1); } else { Debug.LogError(string.Format("no such event type {0}", type)); } } } public static void Dispatch<T1, T2>(EventType type, T1 param1, T2 param2) { Delegate d; if (eventTable.TryGetValue(type, out d)) { Act<T1, T2> callback = d as Act<T1, T2>; if (callback != null) { callback(param1, param2); } else { Debug.LogError(string.Format("no such event type {0}", type)); } } } public static void Dispatch<T1, T2, T3>(EventType type, T1 param1, T2 param2, T3 param3) { Delegate d; if (eventTable.TryGetValue(type, out d)) { Act<T1, T2, T3> callback = d as Act<T1, T2, T3>; if (callback != null) { callback(param1, param2, param3); } else { Debug.LogError(string.Format("no such event type {0}", type)); } } } public static void Dispatch<T1, T2, T3, T4>(EventType type, T1 param1, T2 param2, T3 param3, T4 param4) { Delegate d; if (eventTable.TryGetValue(type, out d)) { Act<T1, T2, T3, T4> callback = d as Act<T1, T2, T3, T4>; if (callback != null) { callback(param1, param2, param3, param4); } else { Debug.LogError(string.Format("no such event type {0}", type)); } } } #endregion } |
测试代码：
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 |
using UnityEngine; using System.Collections; public class Test : MonoBehaviour { void Start() { EventMgr.AddListener<int>(EventType.GetCoin, CoinCallBack); EventMgr.Dispatch(EventType.GetCoin, 100); EventMgr.RemoveListener<int>(EventType.GetCoin, CoinCallBack); EventMgr.AddListener<int, float>(EventType.LevelUp, LevelUpCallBack1); EventMgr.AddListener<int, float>(EventType.LevelUp, LevelUpCallBack2); EventMgr.Dispatch(EventType.LevelUp, 2, 392f); EventMgr.RemoveListener<int, float>(EventType.LevelUp, LevelUpCallBack1); EventMgr.Dispatch<int, float>(EventType.LevelUp, 3, 256f); } private void CoinCallBack(int coin) { Debug.Log("CoinCallBack " + coin); } private void LevelUpCallBack1(int level, float exp) { Debug.Log("LevelUpCallBack1 " + level + " " + exp); } private void LevelUpCallBack2(int level, float exp) { Debug.Log("LevelUpCallBack2 " + level + " " + exp); } } |
- 本文固定链接: http://www.u3d8.com/?p=1298
- 转载请注明: 网虫虫 在 u3d8.com 发表过
