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Prevent NPE by using interface rather than Aero casting #5813

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Jul 28, 2024
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Prevent NPE by using interface rather than Aero casting #5813

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5 changes: 3 additions & 2 deletions megamek/src/megamek/client/ui/swing/MovementDisplay.java
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Original file line number Diff line number Diff line change
Expand Up @@ -4422,13 +4422,14 @@ public void computeAeroMovementEnvelope(Entity entity) {
}

// Increment the entity's delta-v then compute the movement envelope.
Aero ae = (Aero)entity;
// LAM and Aeros both implement this interface
IAero ae = (IAero) entity;
int currentVelocity = ae.getCurrentVelocity();
ae.setCurrentVelocity(cmd.getFinalVelocity());

// Refresh the new velocity envelope on the map.
try {
computeMovementEnvelope(ae);
computeMovementEnvelope(entity);
updateMove();
} catch (Exception e) {
LogManager.getLogger().error("An error occured trying to compute the move envelope for an Aero.");
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