opti

Assets/_Content/Scripts/PortalServerGrid.cs

@@ -34,6 +34,9 @@ public sealed class PortalServerGrid : MonoBehaviour
     private readonly List<Transform> servers = new List<Transform>();
     private readonly List<Collider> colliders = new List<Collider>();
     private bool collidersEnabled = true;
+    private readonly List<Renderer> serverRenderers = new List<Renderer>();
+    private readonly List<Bounds> serverLocalBounds = new List<Bounds>();
+    private bool serversCulled;
     private float wrapExtent;
     // Distance between the centres of two repeated server clusters.
     public float RepetitionPeriod => wrapExtent * 2;
@@ -48,7 +51,31 @@ public sealed class PortalServerGrid : MonoBehaviour
     private void BeforeCameraRendering(ScriptableRenderContext context, Camera camera)
     {
         // Match the terrain's current material, including changes made after Update.
-        if (meadow) SyncBend();
+        if (!meadow) return;
+        SyncBend();
+        CullServers(camera);
+    }
+    private void CullServers(Camera camera)
+    {
+        if (camera != Camera.main) return;
+        bool cull = meadow.Culls(camera);
+        if (!cull && !serversCulled) return;
+        serversCulled = cull;
+        for (int i = 0; i < serverRenderers.Count; i++)
+        {
+            Renderer renderer = serverRenderers[i];
+            if (!renderer) continue;
+            renderer.forceRenderingOff = cull && meadow.IsCulled(WorldBounds(renderer, serverLocalBounds[i]), camera);
+        }
+    }
+    private static Bounds WorldBounds(Renderer renderer, Bounds local)
+    {
+        Matrix4x4 matrix = renderer.localToWorldMatrix;
+        var bounds = new Bounds(matrix.MultiplyPoint3x4(local.center), Vector3.zero);
+        for (int i = 0; i < 8; i++)
+            bounds.Encapsulate(matrix.MultiplyPoint3x4(local.center + Vector3.Scale(local.extents,
+                new Vector3((i & 1) == 0 ? -1 : 1, (i & 2) == 0 ? -1 : 1, (i & 4) == 0 ? -1 : 1))));
+        return bounds;
     }
     private void OnValidate()
     {
@@ -115,6 +142,9 @@ public sealed class PortalServerGrid : MonoBehaviour
         curvedMaterials.Clear();
         servers.Clear();
         colliders.Clear();
+        serverRenderers.Clear();
+        serverLocalBounds.Clear();
+        serversCulled = false;
     }
     private GameObject CreateServer()
     {
@@ -224,6 +254,8 @@ public sealed class PortalServerGrid : MonoBehaviour
             renderer.shadowCastingMode = ShadowCastingMode.Off;
             renderer.allowOcclusionWhenDynamic = false;
             Bounds expanded = renderer.localBounds;
+            serverRenderers.Add(renderer);
+            serverLocalBounds.Add(expanded);
             Vector3 scale = renderer.transform.lossyScale;
             float minScale = Mathf.Max(0.001f, Mathf.Min(Mathf.Abs(scale.x), Mathf.Abs(scale.y), Mathf.Abs(scale.z)));
             expanded.Expand(meadow.BoundsPadding * 2 / minScale);