added dirty bit support to VoxelTree, use it to determine when to call treeToArrays

ZappoMan committed 13 years ago

Commit 5a14c711 parent c353c1d4 files · +35 −7Browse files

Showing the changes to interface/src/VoxelSystem.cpp (1 of 4 files). Show all

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 void VoxelSystem::setupNewVoxelsForDrawing() {
     double start = usecTimestampNow();
-    _voxelsUpdated = newTreeToArrays(_tree->rootNode);
+    if (_tree->isDirty()) {
+        _voxelsUpdated = newTreeToArrays(_tree->rootNode);
+        _tree->clearDirtyBit(); // after we pull the trees into the array, we can consider the tree clean
+    } else {
+        _voxelsUpdated = 0;
+    }
     if (_voxelsUpdated) {
         _voxelsDirty=true;
     }
             _voxelsInArrays++; // our know vertices in the arrays
         }
         voxelsUpdated++;
-        node->clearDirtyBit();
     }
+    node->clearDirtyBit(); // always clear the dirty bit, even if it doesn't need to be rendered
     return voxelsUpdated;
 }