feat(ai): E001(草蛭) AiScript 定义——巡逻/追击/搜查(接触伤害杂兵)

Assets/_Game/Scripts/Enemies/AIBrain/Ai.meta

@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: d0934d78d9f1fe34aa6c0429a0822df8
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/_Game/Scripts/Enemies/AIBrain/Ai/E001CaoZhiAi.cs

@@ -0,0 +1,40 @@
+using BaseGames.AI;
+
+namespace BaseGames.Enemies
+{
+    /// <summary>
+    /// E001（草蛭）的 AI 定义：巡逻 → 追击（接触即伤害，无需攻击能力）→ 搜查 → 巡逻。
+    /// 数值目前用字面量常量；后续可外挂 SO 做热调。
+    /// </summary>
+    [AiDefinition("E001")]
+    public sealed class E001CaoZhiAi : AiScript
+    {
+        const float LoseTimeout = 2.5f; // 丢失玩家判定
+        const float SearchTime = 3f;    // 搜查后返回巡逻
+
+        protected override void Build(BrainBuilder b)
+        {
+            b.Entry("Patrol");
+
+            // 死亡：全局事件，终止决策
+            b.Global().To("Dead").OnEvent(AiSignal.Died);
+
+            b.State("Patrol")
+                .Tick(c => c.Mover.WalkRandom())
+                .To("Chase").When(c => c.Sensor.SeesPlayer(), "SeesPlayer");
+
+            b.State("Chase")
+                .OnEnter(c => c.Mover.FacePlayer())
+                .Tick(c => c.Mover.MoveTo(c.Sensor.LastKnown)) // 冲向玩家，接触即由 BodyContactDamage 造成伤害
+                .To("Search").When(c => c.Sensor.LostFor(LoseTimeout), "LostFor");
+
+            b.State("Search")
+                .OnEnter(c => c.Mover.LookAround())
+                .To("Chase").When(c => c.Sensor.SeesPlayer(), "SeesPlayer")
+                .To("Patrol").After(SearchTime);
+
+            b.State("Dead")
+                .OnEnter(c => c.Mover.Stop());
+        }
+    }
+}

Assets/_Game/Scripts/Enemies/AIBrain/Ai/E001CaoZhiAi.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 82a595c9b77505c448845d8cd1a56064
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: