large mesh handling

gradientspace · Jun 30, 2018 · b1bd5e4 · b1bd5e4
1 parent f7f15ba
commit b1bd5e4
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Showing 2 changed files with 6 additions and 2 deletions.
diff --git a/platform/fMesh.cs b/platform/fMesh.cs
@@ -40,6 +40,9 @@ public fMesh(int[] triangles, DMesh3 source, int[] source_vertices, bool bCopyNo
 
             Mesh m = new Mesh();
             m.vertices = vertices;
+
+            if (NV > 65000 || triangles.Length/3 > 65000)
+                m.indexFormat = UnityEngine.Rendering.IndexFormat.UInt32;
             m.triangles = triangles;
 
             if (bCopyNormals && source.HasVertexNormals) {

diff --git a/util/UnityUtil.cs b/util/UnityUtil.cs
@@ -468,7 +468,7 @@ public static UnityEngine.Mesh SimpleMeshToUnityMesh(SimpleMesh m, bool bSwapLef
 
 
 
-        public static fMesh DMeshToUnityMesh(DMesh3 m, bool bSwapLeftRight, bool bAllowLargeMeshes = false)
+        public static fMesh DMeshToUnityMesh(DMesh3 m, bool bSwapLeftRight, bool bAllowLargeMeshes = false, bool bRecalcNormalsIfMissing = true)
         {
             if (bSwapLeftRight)
                 throw new Exception("[RMSNOTE] I think this conversion is wrong, see MeshTransforms.SwapLeftRight. Just want to know if this code is ever hit.");
@@ -514,8 +514,9 @@ public static fMesh DMeshToUnityMesh(DMesh3 m, bool bSwapLeftRight, bool bAllowL
                 unityMesh.triangles = triangles;
             }
 
-            if (m.HasVertexNormals == false)
+            if (m.HasVertexNormals == false && bRecalcNormalsIfMissing) {
                 unityMesh.RecalculateNormals();
+            }
 
             return new fMesh(unityMesh);
         }