* fixed terrainGrid NPE on executor
git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@7825 75d07b2b-3a1a-0410-a2c5-0572b91ccdca
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@ -239,6 +239,8 @@ public class TerrainGrid extends TerrainQuad {
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if (q1 == null || q2 == null || q3 == null || q4 == null) {
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try {
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if (executor == null)
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executor = createExecutorService();
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executor.submit(new UpdateQuadCache(cam, true)).get();
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q1 = cache.get(cam.add(quadIndex[5]));
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q2 = cache.get(cam.add(quadIndex[6]));
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