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Fixed IllegalArgumentException when removing a LodControl from a spatial

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LodControl throws an exception when the spatial being added to isn't a geometry, however, when the controls is removed it calls setSpatial with a null value triggering the exception throw. Now checking for this null value case.
This commit is contained in:
NemesisMate 2017-05-24 13:51:28 +01:00 committed by GitHub
parent 080a89e14b
commit 88125da16d
1 changed files with 13 additions and 7 deletions
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20
jme3-core/src/main/java/com/jme3/scene/control/LodControl.java
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@ -121,17 +121,23 @@ public class LodControl extends AbstractControl implements Cloneable, JmeCloneab
@Override
public void setSpatial(Spatial spatial) {
if (!(spatial instanceof Geometry)) {
if (spatial != null && !(spatial instanceof Geometry)) {
throw new IllegalArgumentException("LodControl can only be attached to Geometry!");
}
super.setSpatial(spatial);
Geometry geom = (Geometry) spatial;
Mesh mesh = geom.getMesh();
numLevels = mesh.getNumLodLevels();
numTris = new int[numLevels];
for (int i = numLevels - 1; i >= 0; i--) {
numTris[i] = mesh.getTriangleCount(i);
if(spatial != null) {
Geometry geom = (Geometry) spatial;
Mesh mesh = geom.getMesh();
numLevels = mesh.getNumLodLevels();
numTris = new int[numLevels];
for (int i = numLevels - 1; i >= 0; i--) {
numTris[i] = mesh.getTriangleCount(i);
}
} else {
numLevels = 0;
numTris = null;
}
}