feat(vfx): port retail effect scheduling and delivery

tests/AcDream.Core.Tests/World/InteriorEntityIdAllocatorTests.cs

@@ -87,4 +87,20 @@ public class InteriorEntityIdAllocatorTests
         // that accidentally narrows it again gets caught here first.
         Assert.Equal(0xFFFu, InteriorEntityIdAllocator.MaxCounter);
     }
+
+    [Fact]
+    public void Allocate_AcceptsLastCounterThenFailsBeforeNamespaceWrap()
+    {
+        uint counter = InteriorEntityIdAllocator.MaxCounter;
+
+        uint last = InteriorEntityIdAllocator.Allocate(0xA9u, 0xB4u, ref counter);
+
+        Assert.Equal(
+            InteriorEntityIdAllocator.Base(0xA9u, 0xB4u)
+                + InteriorEntityIdAllocator.MaxCounter,
+            last);
+        InvalidDataException error = Assert.Throws<InvalidDataException>(
+            () => InteriorEntityIdAllocator.Allocate(0xA9u, 0xB4u, ref counter));
+        Assert.Contains("4096-entry", error.Message, StringComparison.Ordinal);
+    }
 }

tests/AcDream.Core.Tests/World/LandblockLoaderTests.cs

@@ -163,6 +163,19 @@ public class LandblockLoaderTests
         Assert.Equal(1u, entities[0].Id);
     }
 
+    [Fact]
+    public void BuildEntitiesFromInfo_NamespacedIdOverflowFailsBeforeCrossLandblockAlias()
+    {
+        var info = new LandBlockInfo();
+        for (uint i = 0; i < 256u; i++)
+            info.Objects.Add(new Stab { Id = 0x01000001u, Frame = new Frame() });
+
+        InvalidDataException error = Assert.Throws<InvalidDataException>(
+            () => LandblockLoader.BuildEntitiesFromInfo(info, landblockId: 0xA9B40000u));
+
+        Assert.Contains("255-entry", error.Message, StringComparison.Ordinal);
+    }
+
     [Fact]
     public void BuildEntitiesFromInfo_TagsBuildingsWithIsBuildingShellTrue()
     {