feat(enemy): RushEngagement——两个耦合 flag 合并为 RushExit 语义枚举

Assets/Tests/EditMode/AI/RushEngagementTests.cs

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+using NUnit.Framework;
+using BaseGames.AI;
+using BaseGames.Enemies;
+
+namespace BaseGames.Tests.EditMode.AI
+{
+    public class RushEngagementTests
+    {
+        const string Rest = "Rest";
+
+        // 单独跑交战模块：手搓一个最小 rest 态，直接以交战入口为图入口。
+        static AiRuntime RunAlone(RushEngagement m, FakeAiContext ctx)
+        {
+            var b = new BrainBuilder();
+            AiStateFragments.Locomotion(b, Rest, LocomotionMode.Patrol);
+            m.Build(b, Rest);
+            b.Entry(m.EntryState);
+            return new AiRuntime(b.Build(), ctx);
+        }
+
+        [Test]
+        public void OnLostTarget_CanEngage_IsChaseZoneOnly()
+        {
+            var m = new RushEngagement("rush", RushExit.OnLostTarget);
+            var ctx = new FakeAiContext();
+            ctx.C.CanUse = false;          // 冷却中
+            ctx.S.Chase = true;
+            Assert.IsTrue(m.CanEngage(ctx));   // 不看冷却
+            Assert.AreEqual("InChaseZone", m.EngageLabel);
+        }
+
+        [Test]
+        public void Committed_CanEngage_AlsoRequiresOffCooldown()
+        {
+            var m = new RushEngagement("rush", RushExit.Committed);
+            var ctx = new FakeAiContext();
+            ctx.S.Chase = true;
+            ctx.C.CanUse = false;
+            Assert.IsFalse(m.CanEngage(ctx));  // CD 中不进
+            ctx.C.CanUse = true;
+            Assert.IsTrue(m.CanEngage(ctx));
+            Assert.AreEqual("InChaseZone+offCD", m.EngageLabel);
+        }
+
+        [Test]
+        public void OnLostTarget_ExitsWhenAllZonesLost()
+        {
+            var ctx = new FakeAiContext { };
+            ctx.S.Chase = true;
+            var rt = RunAlone(new RushEngagement("rush", RushExit.OnLostTarget), ctx);
+            Assert.AreEqual(RushEngagement.Rush, rt.CurrentStateName);
+            rt.Tick(0.1f);
+            Assert.AreEqual(RushEngagement.Rush, rt.CurrentStateName);  // 还在追逐区
+            ctx.S.Chase = false; ctx.S.Vision = false;
+            rt.Tick(0.1f);
+            Assert.AreEqual(Rest, rt.CurrentStateName);
+        }
+
+        [Test]
+        public void Committed_NotInterruptedByLosingTarget()
+        {
+            var ctx = new FakeAiContext();
+            ctx.S.Chase = true;
+            var rt = RunAlone(new RushEngagement("rush", RushExit.Committed), ctx);
+            Assert.AreEqual(RushEngagement.Rush, rt.CurrentStateName);
+            ctx.S.Chase = false; ctx.S.Vision = false;   // 中途丢失感知
+            rt.Tick(0.1f);
+            Assert.AreEqual(RushEngagement.Rush, rt.CurrentStateName); // 冲锋不被打断
+            ctx.C.Running = null;                         // 冲锋跑完
+            rt.Tick(0.1f);
+            Assert.AreEqual(Rest, rt.CurrentStateName);
+        }
+
+        [Test]
+        public void Build_Throws_WhenAbilityMissing()
+        {
+            var b = new BrainBuilder();
+            AiStateFragments.Locomotion(b, Rest, LocomotionMode.Patrol);
+            var m = new RushEngagement();     // 未配能力
+            Assert.Throws<System.InvalidOperationException>(() => m.Build(b, Rest));
+        }
+    }
+}

Assets/Tests/EditMode/AI/RushEngagementTests.cs.meta

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