commit 08902d53b3cab01ecc2fa60e2c691cdf28cd1e2f
Author: leszek <leszek@koltunski.pl>
Date:   Fri Nov 24 13:25:16 2023 +0100

    Bump Jing works now.

diff --git a/src/main/java/org/distorted/library/mesh/MeshBase.java b/src/main/java/org/distorted/library/mesh/MeshBase.java
index 9b005e2..cd75106 100644
--- a/src/main/java/org/distorted/library/mesh/MeshBase.java
+++ b/src/main/java/org/distorted/library/mesh/MeshBase.java
@@ -445,7 +445,7 @@ public abstract class MeshBase
        System.arraycopy(mesh.mVertAttribs2, 0, newAttribs2, VERT2_ATTRIBS*origVertices, VERT2_ATTRIBS*numVertices);
        origVertices+=numVertices;
 
-       if( i<numMeshes-1 )
+       if( i<numMeshes-1 && numVertices>0 )
          {
          System.arraycopy(mesh.mVertAttribs1, VERT1_ATTRIBS*(numVertices-1), newAttribs1, VERT1_ATTRIBS*origVertices, VERT1_ATTRIBS);
          System.arraycopy(mesh.mVertAttribs2, VERT2_ATTRIBS*(numVertices-1), newAttribs2, VERT2_ATTRIBS*origVertices, VERT2_ATTRIBS);