Commit: ffee7f1a58a18bc08add94176ddffe29809139a6
Author: Sybren A. Stüvel
Date: Wed Mar 4 13:21:38 2015 +0100
Branches: master
https://developer.blender.org/rBffee7f1a58a18bc08add94176ddffe29809139a6
BGE: Fix crash when a constraint misses its reference object
Blender allows you to create a constraint without specifying its reference
object, even when the constraint requires such a reference. The BGE would
crash on this. This change simply ignores such a constraint.
===================================================================
M source/gameengine/Physics/Bullet/CcdPhysicsEnvironment.cpp
===================================================================
diff --git a/source/gameengine/Physics/Bullet/CcdPhysicsEnvironment.cpp
b/source/gameengine/Physics/Bullet/CcdPhysicsEnvironment.cpp
index 557b529..ac74029 100644
--- a/source/gameengine/Physics/Bullet/CcdPhysicsEnvironment.cpp
+++ b/source/gameengine/Physics/Bullet/CcdPhysicsEnvironment.cpp
@@ -2644,7 +2644,9 @@ int
CcdPhysicsEnvironment::CreateConstraint(class PHY_IPhysicsController* ctrl
if (!rb0)
return 0;
-
+ // If either of the controllers is missing, we can't do anything.
+ if (!c0 || !c1) return 0;
+
btVector3 pivotInB = rb1 ?
rb1->getCenterOfMassTransform().inverse()(rb0->getCenterOfMassTransform()(pivotInA))
:
rb0->getCenterOfMassTransform() * pivotInA;
btVector3 axisInA(axisX,axisY,axisZ);
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