feat(enemy): EnemyAttackSelector 选招器(射程+冷却+LOS+着地过滤,两模式选招)+单测

2026-07-24 12:15:41 +08:00
parent 2cf0d6b1a9
commit 04a267b69f
2 changed files with 176 additions and 0 deletions
@@ -0,0 +1,108 @@
+using System.Collections.Generic;
+using NUnit.Framework;
+using BaseGames.Enemies.Abilities;
+
+namespace BaseGames.Tests.EditMode.Enemies
+{
+    public class EnemyAttackSelectorTests
+    {
+        sealed class FakeCandidate : IAttackCandidate
+        {
+            public bool  CanUseV = true, InRange = true, ReqLOS = false, ReqGround = false, Executed;
+            public float WeightV = 1f;
+            public int   PriorityV = 0;
+            public bool  CanUse => CanUseV;
+            public bool  RequiresLineOfSight => ReqLOS;
+            public bool  RequiresGrounded => ReqGround;
+            public float Weight => WeightV;
+            public int   Priority => PriorityV;
+            public bool  InAttackRange() => InRange;
+            public bool  Execute() { Executed = true; return true; }
+        }
+
+        static EnemyAttackSelector Sel(params IAttackCandidate[] cs)
+            => new EnemyAttackSelector(new List<IAttackCandidate>(cs));
+
+        [Test]
+        public void Empty_NoEligible()
+        {
+            var s = Sel();
+            Assert.IsFalse(s.HasEligible(true, true));
+            Assert.IsNull(s.Select(true, true, AttackSelectionMode.Priority));
+        }
+
+        [Test]
+        public void ExcludesOnCooldown()
+        {
+            var c = new FakeCandidate { CanUseV = false };
+            Assert.IsFalse(Sel(c).HasEligible(true, true));
+        }
+
+        [Test]
+        public void ExcludesOutOfRange()
+        {
+            var c = new FakeCandidate { InRange = false };
+            Assert.IsFalse(Sel(c).HasEligible(true, true));
+        }
+
+        [Test]
+        public void ExcludesWhenNeedsLOS_ButNoLOS()
+        {
+            var c = new FakeCandidate { ReqLOS = true };
+            Assert.IsFalse(Sel(c).HasEligible(false, true));
+            Assert.IsTrue (Sel(c).HasEligible(true,  true));
+        }
+
+        [Test]
+        public void ExcludesWhenNeedsGrounded_ButAirborne()
+        {
+            var c = new FakeCandidate { ReqGround = true };
+            Assert.IsFalse(Sel(c).HasEligible(true, false));
+            Assert.IsTrue (Sel(c).HasEligible(true, true));
+        }
+
+        [Test]
+        public void Priority_PicksHighest()
+        {
+            var lo = new FakeCandidate { PriorityV = 1 };
+            var hi = new FakeCandidate { PriorityV = 5 };
+            var pick = Sel(lo, hi).Select(true, true, AttackSelectionMode.Priority);
+            Assert.AreSame(hi, pick);
+        }
+
+        [Test]
+        public void Priority_TieTakesFirstInList()
+        {
+            var a = new FakeCandidate { PriorityV = 3 };
+            var b = new FakeCandidate { PriorityV = 3 };
+            var pick = Sel(a, b).Select(true, true, AttackSelectionMode.Priority);
+            Assert.AreSame(a, pick);
+        }
+
+        [Test]
+        public void Priority_SkipsIneligible()
+        {
+            var blocked = new FakeCandidate { PriorityV = 9, InRange = false };
+            var ok      = new FakeCandidate { PriorityV = 1 };
+            var pick = Sel(blocked, ok).Select(true, true, AttackSelectionMode.Priority);
+            Assert.AreSame(ok, pick);
+        }
+
+        [Test]
+        public void Weighted_SingleEligible_AlwaysThatOne()
+        {
+            var only = new FakeCandidate { WeightV = 2f };
+            for (int i = 0; i < 20; i++)
+                Assert.AreSame(only, Sel(only).Select(true, true, AttackSelectionMode.WeightedRandom));
+        }
+
+        [Test]
+        public void Weighted_NeverPicksIneligible()
+        {
+            var bad = new FakeCandidate { WeightV = 100f, InRange = false };
+            var ok  = new FakeCandidate { WeightV = 1f };
+            for (int i = 0; i < 50; i++)
+                Assert.AreSame(ok, Sel(bad, ok).Select(true, true, AttackSelectionMode.WeightedRandom));
+        }
+    }
+}