Bullet Native:

- throw java NPE's on all native NPE cases

git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@7489 75d07b2b-3a1a-0410-a2c5-0572b91ccdca

engine/src/bullet/native/com_jme3_bullet_PhysicsSpace.cpp

@@ -50,7 +50,7 @@ extern "C" {
         jmeClasses::initJavaClasses(env);
         jmePhysicsSpace* space = new jmePhysicsSpace(env, object);
         if (space == NULL) {
-            jclass newExc = env->FindClass("java/lang/IllegalStateException");
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
             env->ThrowNew(newExc, "The physics space has not been created.");
             return 0;
         }
@@ -67,7 +67,7 @@ extern "C" {
     (JNIEnv * env, jobject object, jlong spaceId, jfloat tpf, jint maxSteps, jfloat accuracy) {
         jmePhysicsSpace* space = (jmePhysicsSpace*) spaceId;
         if (space == NULL) {
-            jclass newExc = env->FindClass("java/lang/IllegalStateException");
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
             env->ThrowNew(newExc, "The physics space does not exist.");
             return;
         }
@@ -84,12 +84,12 @@ extern "C" {
         jmePhysicsSpace* space = (jmePhysicsSpace*) spaceId;
         btCollisionObject* collisionObject = (btCollisionObject*) objectId;
         if (space == NULL) {
-            jclass newExc = env->FindClass("java/lang/IllegalStateException");
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
             env->ThrowNew(newExc, "The physics space does not exist.");
             return;
         }
         if (collisionObject == NULL) {
-            jclass newExc = env->FindClass("java/lang/IllegalStateException");
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
             env->ThrowNew(newExc, "The collision object does not exist.");
             return;
         }
@@ -106,12 +106,12 @@ extern "C" {
         jmePhysicsSpace* space = (jmePhysicsSpace*) spaceId;
         btCollisionObject* collisionObject = (btCollisionObject*) objectId;
         if (space == NULL) {
-            jclass newExc = env->FindClass("java/lang/IllegalStateException");
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
             env->ThrowNew(newExc, "The physics space does not exist.");
             return;
         }
         if (collisionObject == NULL) {
-            jclass newExc = env->FindClass("java/lang/IllegalStateException");
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
             env->ThrowNew(newExc, "The collision object does not exist.");
             return;
         }
@@ -128,12 +128,12 @@ extern "C" {
         jmePhysicsSpace* space = (jmePhysicsSpace*) spaceId;
         btRigidBody* collisionObject = (btRigidBody*) rigidBodyId;
         if (space == NULL) {
-            jclass newExc = env->FindClass("java/lang/IllegalStateException");
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
             env->ThrowNew(newExc, "The physics space does not exist.");
             return;
         }
         if (collisionObject == NULL) {
-            jclass newExc = env->FindClass("java/lang/IllegalStateException");
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
             env->ThrowNew(newExc, "The collision object does not exist.");
             return;
         }
@@ -150,12 +150,12 @@ extern "C" {
         jmePhysicsSpace* space = (jmePhysicsSpace*) spaceId;
         btRigidBody* collisionObject = (btRigidBody*) rigidBodyId;
         if (space == NULL) {
-            jclass newExc = env->FindClass("java/lang/IllegalStateException");
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
             env->ThrowNew(newExc, "The physics space does not exist.");
             return;
         }
         if (collisionObject == NULL) {
-            jclass newExc = env->FindClass("java/lang/IllegalStateException");
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
             env->ThrowNew(newExc, "The collision object does not exist.");
             return;
         }
@@ -172,12 +172,12 @@ extern "C" {
         jmePhysicsSpace* space = (jmePhysicsSpace*) spaceId;
         btCollisionObject* collisionObject = (btCollisionObject*) objectId;
         if (space == NULL) {
-            jclass newExc = env->FindClass("java/lang/IllegalStateException");
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
             env->ThrowNew(newExc, "The physics space does not exist.");
             return;
         }
         if (collisionObject == NULL) {
-            jclass newExc = env->FindClass("java/lang/IllegalStateException");
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
             env->ThrowNew(newExc, "The collision object does not exist.");
             return;
         }
@@ -194,12 +194,12 @@ extern "C" {
         jmePhysicsSpace* space = (jmePhysicsSpace*) spaceId;
         btCollisionObject* collisionObject = (btCollisionObject*) objectId;
         if (space == NULL) {
-            jclass newExc = env->FindClass("java/lang/IllegalStateException");
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
             env->ThrowNew(newExc, "The physics space does not exist.");
             return;
         }
         if (collisionObject == NULL) {
-            jclass newExc = env->FindClass("java/lang/IllegalStateException");
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
             env->ThrowNew(newExc, "The collision object does not exist.");
             return;
         }
@@ -216,12 +216,12 @@ extern "C" {
         jmePhysicsSpace* space = (jmePhysicsSpace*) spaceId;
         btActionInterface* actionObject = (btActionInterface*) objectId;
         if (space == NULL) {
-            jclass newExc = env->FindClass("java/lang/IllegalStateException");
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
             env->ThrowNew(newExc, "The physics space does not exist.");
             return;
         }
         if (actionObject == NULL) {
-            jclass newExc = env->FindClass("java/lang/IllegalStateException");
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
             env->ThrowNew(newExc, "The action object does not exist.");
             return;
         }
@@ -238,12 +238,12 @@ extern "C" {
         jmePhysicsSpace* space = (jmePhysicsSpace*) spaceId;
         btActionInterface* actionObject = (btActionInterface*) objectId;
         if (space == NULL) {
-            jclass newExc = env->FindClass("java/lang/IllegalStateException");
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
             env->ThrowNew(newExc, "The physics space does not exist.");
             return;
         }
         if (actionObject == NULL) {
-            jclass newExc = env->FindClass("java/lang/IllegalStateException");
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
             env->ThrowNew(newExc, "The action object does not exist.");
             return;
         }
@@ -260,12 +260,12 @@ extern "C" {
         jmePhysicsSpace* space = (jmePhysicsSpace*) spaceId;
         btActionInterface* actionObject = (btActionInterface*) objectId;
         if (space == NULL) {
-            jclass newExc = env->FindClass("java/lang/IllegalStateException");
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
             env->ThrowNew(newExc, "The physics space does not exist.");
             return;
         }
         if (actionObject == NULL) {
-            jclass newExc = env->FindClass("java/lang/IllegalStateException");
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
             env->ThrowNew(newExc, "The vehicle object does not exist.");
             return;
         }
@@ -282,12 +282,12 @@ extern "C" {
         jmePhysicsSpace* space = (jmePhysicsSpace*) spaceId;
         btActionInterface* actionObject = (btActionInterface*) objectId;
         if (space == NULL) {
-            jclass newExc = env->FindClass("java/lang/IllegalStateException");
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
             env->ThrowNew(newExc, "The physics space does not exist.");
             return;
         }
         if (actionObject == NULL) {
-            jclass newExc = env->FindClass("java/lang/IllegalStateException");
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
             env->ThrowNew(newExc, "The action object does not exist.");
             return;
         }
@@ -304,12 +304,12 @@ extern "C" {
         jmePhysicsSpace* space = (jmePhysicsSpace*) spaceId;
         btTypedConstraint* constraint = (btTypedConstraint*) objectId;
         if (space == NULL) {
-            jclass newExc = env->FindClass("java/lang/IllegalStateException");
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
             env->ThrowNew(newExc, "The physics space does not exist.");
             return;
         }
         if (constraint == NULL) {
-            jclass newExc = env->FindClass("java/lang/IllegalStateException");
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
             env->ThrowNew(newExc, "The constraint object does not exist.");
             return;
         }
@@ -326,12 +326,12 @@ extern "C" {
         jmePhysicsSpace* space = (jmePhysicsSpace*) spaceId;
         btTypedConstraint* constraint = (btTypedConstraint*) objectId;
         if (space == NULL) {
-            jclass newExc = env->FindClass("java/lang/IllegalStateException");
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
             env->ThrowNew(newExc, "The physics space does not exist.");
             return;
         }
         if (constraint == NULL) {
-            jclass newExc = env->FindClass("java/lang/IllegalStateException");
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
             env->ThrowNew(newExc, "The constraint object does not exist.");
             return;
         }
@@ -347,7 +347,7 @@ extern "C" {
     (JNIEnv * env, jobject object, jlong spaceId, jobject vector) {
         jmePhysicsSpace* space = (jmePhysicsSpace*) spaceId;
         if (space == NULL) {
-            jclass newExc = env->FindClass("java/lang/IllegalStateException");
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
             env->ThrowNew(newExc, "The physics space does not exist.");
             return;
         }

engine/src/bullet/native/com_jme3_bullet_collision_PhysicsCollisionObject.cpp

@@ -70,6 +70,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_collision_PhysicsCollisionObject_finalizeNative
     (JNIEnv * env, jobject object, jlong objectId) {
         btCollisionObject* collisionObject = (btCollisionObject*) objectId;
+        if (collisionObject == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         delete(collisionObject);
     }
 #ifdef __cplusplus

engine/src/bullet/native/com_jme3_bullet_collision_shapes_CollisionShape.cpp

@@ -48,6 +48,11 @@ extern "C" {
     JNIEXPORT jfloat JNICALL Java_com_jme3_bullet_collision_shapes_CollisionShape_getMargin
     (JNIEnv * env, jobject object, jlong shapeId) {
         btCollisionShape* shape = (btCollisionShape*) shapeId;
+        if (shape == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         return shape->getMargin();
     }
 
@@ -59,6 +64,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_collision_shapes_CollisionShape_setLocalScaling
     (JNIEnv * env, jobject object, jlong shapeId, jobject scale) {
         btCollisionShape* shape = (btCollisionShape*) shapeId;
+        if (shape == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         btVector3 scl = btVector3();
         jmeBulletUtil::convert(env, scale, &scl);
         shape->setLocalScaling(scl);
@@ -72,6 +82,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_collision_shapes_CollisionShape_setMargin
     (JNIEnv * env, jobject object, jlong shapeId, jfloat newMargin) {
         btCollisionShape* shape = (btCollisionShape*) shapeId;
+        if (shape == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         shape->setMargin(newMargin);
     }
 
@@ -83,6 +98,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_collision_shapes_CollisionShape_finalizeNative
     (JNIEnv * env, jobject object, jlong shapeId) {
         btCollisionShape* shape = (btCollisionShape*) shapeId;
+        if (shape == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         delete(shape);
     }
 #ifdef __cplusplus

engine/src/bullet/native/com_jme3_bullet_collision_shapes_CompoundCollisionShape.cpp

@@ -60,7 +60,17 @@ extern "C" {
     JNIEXPORT jlong JNICALL Java_com_jme3_bullet_collision_shapes_CompoundCollisionShape_addChildShape
     (JNIEnv *env, jobject object, jlong compoundId, jlong childId, jobject childLocation, jobject childRotation) {
         btCompoundShape* shape = (btCompoundShape*) compoundId;
+        if (shape == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         btCollisionShape* child = (btCollisionShape*) childId;
+        if (shape == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         btMatrix3x3 mtx = btMatrix3x3();
         btTransform trans = btTransform(mtx);
         jmeBulletUtil::convert(env, childLocation, &trans.getOrigin());
@@ -77,7 +87,17 @@ extern "C" {
     JNIEXPORT jlong JNICALL Java_com_jme3_bullet_collision_shapes_CompoundCollisionShape_removeChildShape
     (JNIEnv * env, jobject object, jlong compoundId, jlong childId) {
         btCompoundShape* shape = (btCompoundShape*) compoundId;
+        if (shape == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         btCollisionShape* child = (btCollisionShape*) childId;
+        if (shape == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         shape->removeChildShape(child);
         return 0;
     }

engine/src/bullet/native/com_jme3_bullet_joints_ConeJoint.cpp

@@ -48,6 +48,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_joints_ConeJoint_setLimit
     (JNIEnv * env, jobject object, jlong jointId, jfloat swingSpan1, jfloat swingSpan2, jfloat twistSpan) {
         btConeTwistConstraint* joint = (btConeTwistConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         //TODO: extended setLimit!
         joint->setLimit(swingSpan1, swingSpan2, twistSpan);
     }
@@ -60,6 +65,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_joints_ConeJoint_setAngularOnly
     (JNIEnv * env, jobject object, jlong jointId, jboolean angularOnly) {
         btConeTwistConstraint* joint = (btConeTwistConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         joint->setAngularOnly(angularOnly);
     }
 

engine/src/bullet/native/com_jme3_bullet_joints_HingeJoint.cpp

@@ -48,6 +48,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_joints_HingeJoint_enableMotor
     (JNIEnv * env, jobject object, jlong jointId, jboolean enable, jfloat targetVelocity, jfloat maxMotorImpulse) {
         btHingeConstraint* joint = (btHingeConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         joint->enableAngularMotor(enable, targetVelocity, maxMotorImpulse);
     }
 
@@ -59,6 +64,11 @@ extern "C" {
     JNIEXPORT jboolean JNICALL Java_com_jme3_bullet_joints_HingeJoint_getEnableAngularMotor
     (JNIEnv * env, jobject object, jlong jointId) {
         btHingeConstraint* joint = (btHingeConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return false;
+        }
         return joint->getEnableAngularMotor();
     }
 
@@ -70,6 +80,11 @@ extern "C" {
     JNIEXPORT jfloat JNICALL Java_com_jme3_bullet_joints_HingeJoint_getMotorTargetVelocity
     (JNIEnv * env, jobject object, jlong jointId) {
         btHingeConstraint* joint = (btHingeConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         return joint->getMotorTargetVelosity();
     }
 
@@ -81,6 +96,11 @@ extern "C" {
     JNIEXPORT jfloat JNICALL Java_com_jme3_bullet_joints_HingeJoint_getMaxMotorImpulse
     (JNIEnv * env, jobject object, jlong jointId) {
         btHingeConstraint* joint = (btHingeConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         return joint->getMaxMotorImpulse();
     }
 
@@ -92,6 +112,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_joints_HingeJoint_setLimit__JFF
     (JNIEnv * env, jobject object, jlong jointId, jfloat low, jfloat high) {
         btHingeConstraint* joint = (btHingeConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         return joint->setLimit(low, high);
     }
 
@@ -103,6 +128,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_joints_HingeJoint_setLimit__JFFFFF
     (JNIEnv * env, jobject object, jlong jointId, jfloat low, jfloat high, jfloat softness, jfloat biasFactor, jfloat relaxationFactor) {
         btHingeConstraint* joint = (btHingeConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         return joint->setLimit(low, high, softness, biasFactor, relaxationFactor);
     }
 
@@ -114,6 +144,11 @@ extern "C" {
     JNIEXPORT jfloat JNICALL Java_com_jme3_bullet_joints_HingeJoint_getUpperLimit
     (JNIEnv * env, jobject object, jlong jointId) {
         btHingeConstraint* joint = (btHingeConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         return joint->getUpperLimit();
     }
 
@@ -125,6 +160,11 @@ extern "C" {
     JNIEXPORT jfloat JNICALL Java_com_jme3_bullet_joints_HingeJoint_getLowerLimit
     (JNIEnv * env, jobject object, jlong jointId) {
         btHingeConstraint* joint = (btHingeConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         return joint->getLowerLimit();
     }
 
@@ -136,6 +176,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_joints_HingeJoint_setAngularOnly
     (JNIEnv * env, jobject object, jlong jointId, jboolean angular) {
         btHingeConstraint* joint = (btHingeConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         joint->setAngularOnly(angular);
     }
 
@@ -147,6 +192,11 @@ extern "C" {
     JNIEXPORT jfloat JNICALL Java_com_jme3_bullet_joints_HingeJoint_getHingeAngle
     (JNIEnv * env, jobject object, jlong jointId) {
         btHingeConstraint* joint = (btHingeConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         return joint->getHingeAngle();
     }
 

engine/src/bullet/native/com_jme3_bullet_joints_PhysicsJoint.cpp

@@ -48,6 +48,11 @@ extern "C" {
     JNIEXPORT jfloat JNICALL Java_com_jme3_bullet_joints_PhysicsJoint_getAppliedImpulse
     (JNIEnv * env, jobject object, jlong jointId) {
         btTypedConstraint* joint = (btTypedConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         return joint->getAppliedImpulse();
     }
 

engine/src/bullet/native/com_jme3_bullet_joints_Point2PointJoint.cpp

@@ -48,6 +48,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_joints_Point2PointJoint_setDamping
     (JNIEnv * env, jobject object, jlong jointId, jfloat damping) {
         btPoint2PointConstraint* joint = (btPoint2PointConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         joint->m_setting.m_damping = damping;
     }
 
@@ -59,6 +64,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_joints_Point2PointJoint_setImpulseClamp
     (JNIEnv * env, jobject object, jlong jointId, jfloat clamp) {
         btPoint2PointConstraint* joint = (btPoint2PointConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         joint->m_setting.m_impulseClamp = clamp;
     }
 
@@ -70,6 +80,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_joints_Point2PointJoint_setTau
     (JNIEnv * env, jobject object, jlong jointId, jfloat tau) {
         btPoint2PointConstraint* joint = (btPoint2PointConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         joint->m_setting.m_tau = tau;
     }
 
@@ -81,6 +96,11 @@ extern "C" {
     JNIEXPORT jfloat JNICALL Java_com_jme3_bullet_joints_Point2PointJoint_getDamping
     (JNIEnv * env, jobject object, jlong jointId) {
         btPoint2PointConstraint* joint = (btPoint2PointConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         return joint->m_setting.m_damping;
     }
 
@@ -92,6 +112,11 @@ extern "C" {
     JNIEXPORT jfloat JNICALL Java_com_jme3_bullet_joints_Point2PointJoint_getImpulseClamp
     (JNIEnv * env, jobject object, jlong jointId) {
         btPoint2PointConstraint* joint = (btPoint2PointConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         return joint->m_setting.m_damping;
     }
 
@@ -103,6 +128,11 @@ extern "C" {
     JNIEXPORT jfloat JNICALL Java_com_jme3_bullet_joints_Point2PointJoint_getTau
     (JNIEnv * env, jobject object, jlong jointId) {
         btPoint2PointConstraint* joint = (btPoint2PointConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         return joint->m_setting.m_damping;
     }
 
@@ -117,8 +147,8 @@ extern "C" {
         btRigidBody* bodyA = (btRigidBody*) bodyIdA;
         btRigidBody* bodyB = (btRigidBody*) bodyIdB;
         //TODO: matrix not needed?
-        btMatrix3x3 mtx1=btMatrix3x3();
-        btMatrix3x3 mtx2=btMatrix3x3();
+        btMatrix3x3 mtx1 = btMatrix3x3();
+        btMatrix3x3 mtx2 = btMatrix3x3();
         btTransform transA = btTransform(mtx1);
         jmeBulletUtil::convert(env, pivotA, &transA.getOrigin());
         btTransform transB = btTransform(mtx2);

engine/src/bullet/native/com_jme3_bullet_joints_SixDofJoint.cpp

@@ -48,7 +48,12 @@ extern "C" {
     JNIEXPORT jlong JNICALL Java_com_jme3_bullet_joints_SixDofJoint_getRotationalLimitMotor
     (JNIEnv * env, jobject object, jlong jointId, jint index) {
         btGeneric6DofConstraint* joint = (btGeneric6DofConstraint*) jointId;
-        return (long)joint->getRotationalLimitMotor(index);
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
+        return (long) joint->getRotationalLimitMotor(index);
     }
 
     /*
@@ -59,7 +64,12 @@ extern "C" {
     JNIEXPORT jlong JNICALL Java_com_jme3_bullet_joints_SixDofJoint_getTranslationalLimitMotor
     (JNIEnv * env, jobject object, jlong jointId) {
         btGeneric6DofConstraint* joint = (btGeneric6DofConstraint*) jointId;
-        return (long)joint->getTranslationalLimitMotor();
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
+        return (long) joint->getTranslationalLimitMotor();
     }
 
     /*
@@ -70,6 +80,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_joints_SixDofJoint_setLinearUpperLimit
     (JNIEnv * env, jobject object, jlong jointId, jobject vector) {
         btGeneric6DofConstraint* joint = (btGeneric6DofConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         btVector3 vec = btVector3();
         jmeBulletUtil::convert(env, vector, &vec);
         joint->setLinearUpperLimit(vec);
@@ -83,6 +98,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_joints_SixDofJoint_setLinearLowerLimit
     (JNIEnv * env, jobject object, jlong jointId, jobject vector) {
         btGeneric6DofConstraint* joint = (btGeneric6DofConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         btVector3 vec = btVector3();
         jmeBulletUtil::convert(env, vector, &vec);
         joint->setLinearLowerLimit(vec);
@@ -96,6 +116,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_joints_SixDofJoint_setAngularUpperLimit
     (JNIEnv * env, jobject object, jlong jointId, jobject vector) {
         btGeneric6DofConstraint* joint = (btGeneric6DofConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         btVector3 vec = btVector3();
         jmeBulletUtil::convert(env, vector, &vec);
         joint->setAngularUpperLimit(vec);
@@ -109,6 +134,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_joints_SixDofJoint_setAngularLowerLimit
     (JNIEnv * env, jobject object, jlong jointId, jobject vector) {
         btGeneric6DofConstraint* joint = (btGeneric6DofConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         btVector3 vec = btVector3();
         jmeBulletUtil::convert(env, vector, &vec);
         joint->setAngularLowerLimit(vec);
@@ -133,7 +163,7 @@ extern "C" {
         jmeBulletUtil::convert(env, pivotB, &transB.getOrigin());
         jmeBulletUtil::convert(env, rotB, &transB.getBasis());
         btGeneric6DofConstraint* joint = new btGeneric6DofConstraint(*bodyA, *bodyB, transA, transB, useLinearReferenceFrameA);
-        return (long)joint;
+        return (long) joint;
     }
 #ifdef __cplusplus
 }

engine/src/bullet/native/com_jme3_bullet_joints_SliderJoint.cpp

@@ -48,6 +48,11 @@ extern "C" {
     JNIEXPORT jfloat JNICALL Java_com_jme3_bullet_joints_SliderJoint_getLowerLinLimit
     (JNIEnv * env, jobject object, jlong jointId) {
         btSliderConstraint* joint = (btSliderConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         return joint->getLowerLinLimit();
     }
 
@@ -59,6 +64,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_joints_SliderJoint_setLowerLinLimit
     (JNIEnv * env, jobject object, jlong jointId, jfloat value) {
         btSliderConstraint* joint = (btSliderConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         joint->setLowerLinLimit(value);
     }
 
@@ -70,6 +80,11 @@ extern "C" {
     JNIEXPORT jfloat JNICALL Java_com_jme3_bullet_joints_SliderJoint_getUpperLinLimit
     (JNIEnv * env, jobject object, jlong jointId) {
         btSliderConstraint* joint = (btSliderConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         return joint->getUpperLinLimit();
     }
 
@@ -81,6 +96,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_joints_SliderJoint_setUpperLinLimit
     (JNIEnv * env, jobject object, jlong jointId, jfloat value) {
         btSliderConstraint* joint = (btSliderConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         joint->setUpperLinLimit(value);
     }
 
@@ -92,6 +112,11 @@ extern "C" {
     JNIEXPORT jfloat JNICALL Java_com_jme3_bullet_joints_SliderJoint_getLowerAngLimit
     (JNIEnv * env, jobject object, jlong jointId) {
         btSliderConstraint* joint = (btSliderConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         return joint->getLowerAngLimit();
     }
 
@@ -103,6 +128,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_joints_SliderJoint_setLowerAngLimit
     (JNIEnv * env, jobject object, jlong jointId, jfloat value) {
         btSliderConstraint* joint = (btSliderConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         joint->setLowerAngLimit(value);
     }
 
@@ -114,6 +144,11 @@ extern "C" {
     JNIEXPORT jfloat JNICALL Java_com_jme3_bullet_joints_SliderJoint_getUpperAngLimit
     (JNIEnv * env, jobject object, jlong jointId) {
         btSliderConstraint* joint = (btSliderConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         return joint->getUpperAngLimit();
     }
 
@@ -125,6 +160,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_joints_SliderJoint_setUpperAngLimit
     (JNIEnv * env, jobject object, jlong jointId, jfloat value) {
         btSliderConstraint* joint = (btSliderConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         joint->setUpperAngLimit(value);
     }
 
@@ -136,6 +176,11 @@ extern "C" {
     JNIEXPORT jfloat JNICALL Java_com_jme3_bullet_joints_SliderJoint_getSoftnessDirLin
     (JNIEnv * env, jobject object, jlong jointId) {
         btSliderConstraint* joint = (btSliderConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         return joint->getSoftnessDirLin();
     }
 
@@ -147,6 +192,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_joints_SliderJoint_setSoftnessDirLin
     (JNIEnv * env, jobject object, jlong jointId, jfloat value) {
         btSliderConstraint* joint = (btSliderConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         joint->setSoftnessDirLin(value);
     }
 
@@ -158,6 +208,11 @@ extern "C" {
     JNIEXPORT jfloat JNICALL Java_com_jme3_bullet_joints_SliderJoint_getRestitutionDirLin
     (JNIEnv * env, jobject object, jlong jointId) {
         btSliderConstraint* joint = (btSliderConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         return joint->getRestitutionDirLin();
     }
 
@@ -169,6 +224,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_joints_SliderJoint_setRestitutionDirLin
     (JNIEnv * env, jobject object, jlong jointId, jfloat value) {
         btSliderConstraint* joint = (btSliderConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         joint->setRestitutionDirLin(value);
     }
 
@@ -180,6 +240,11 @@ extern "C" {
     JNIEXPORT jfloat JNICALL Java_com_jme3_bullet_joints_SliderJoint_getDampingDirLin
     (JNIEnv * env, jobject object, jlong jointId) {
         btSliderConstraint* joint = (btSliderConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         return joint->getDampingDirLin();
     }
 
@@ -191,6 +256,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_joints_SliderJoint_setDampingDirLin
     (JNIEnv * env, jobject object, jlong jointId, jfloat value) {
         btSliderConstraint* joint = (btSliderConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         joint->setDampingDirLin(value);
     }
 
@@ -202,6 +272,11 @@ extern "C" {
     JNIEXPORT jfloat JNICALL Java_com_jme3_bullet_joints_SliderJoint_getSoftnessDirAng
     (JNIEnv * env, jobject object, jlong jointId) {
         btSliderConstraint* joint = (btSliderConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         return joint->getSoftnessDirAng();
     }
 
@@ -213,6 +288,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_joints_SliderJoint_setSoftnessDirAng
     (JNIEnv * env, jobject object, jlong jointId, jfloat value) {
         btSliderConstraint* joint = (btSliderConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         joint->setSoftnessDirAng(value);
     }
 
@@ -224,6 +304,11 @@ extern "C" {
     JNIEXPORT jfloat JNICALL Java_com_jme3_bullet_joints_SliderJoint_getRestitutionDirAng
     (JNIEnv * env, jobject object, jlong jointId) {
         btSliderConstraint* joint = (btSliderConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         return joint->getRestitutionDirAng();
     }
 
@@ -235,6 +320,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_joints_SliderJoint_setRestitutionDirAng
     (JNIEnv * env, jobject object, jlong jointId, jfloat value) {
         btSliderConstraint* joint = (btSliderConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         joint->setRestitutionDirAng(value);
     }
 
@@ -246,6 +336,11 @@ extern "C" {
     JNIEXPORT jfloat JNICALL Java_com_jme3_bullet_joints_SliderJoint_getDampingDirAng
     (JNIEnv * env, jobject object, jlong jointId) {
         btSliderConstraint* joint = (btSliderConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         return joint->getDampingDirAng();
     }
 
@@ -257,6 +352,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_joints_SliderJoint_setDampingDirAng
     (JNIEnv * env, jobject object, jlong jointId, jfloat value) {
         btSliderConstraint* joint = (btSliderConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         joint->setDampingDirAng(value);
     }
 
@@ -268,6 +368,11 @@ extern "C" {
     JNIEXPORT jfloat JNICALL Java_com_jme3_bullet_joints_SliderJoint_getSoftnessLimLin
     (JNIEnv * env, jobject object, jlong jointId) {
         btSliderConstraint* joint = (btSliderConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         return joint->getSoftnessLimLin();
     }
 
@@ -279,6 +384,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_joints_SliderJoint_setSoftnessLimLin
     (JNIEnv * env, jobject object, jlong jointId, jfloat value) {
         btSliderConstraint* joint = (btSliderConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         joint->setSoftnessLimLin(value);
     }
 
@@ -290,6 +400,11 @@ extern "C" {
     JNIEXPORT jfloat JNICALL Java_com_jme3_bullet_joints_SliderJoint_getRestitutionLimLin
     (JNIEnv * env, jobject object, jlong jointId) {
         btSliderConstraint* joint = (btSliderConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         return joint->getRestitutionLimLin();
     }
 
@@ -301,6 +416,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_joints_SliderJoint_setRestitutionLimLin
     (JNIEnv * env, jobject object, jlong jointId, jfloat value) {
         btSliderConstraint* joint = (btSliderConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         joint->setRestitutionLimLin(value);
     }
 
@@ -312,6 +432,11 @@ extern "C" {
     JNIEXPORT jfloat JNICALL Java_com_jme3_bullet_joints_SliderJoint_getDampingLimLin
     (JNIEnv * env, jobject object, jlong jointId) {
         btSliderConstraint* joint = (btSliderConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         return joint->getDampingLimLin();
     }
 
@@ -323,6 +448,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_joints_SliderJoint_setDampingLimLin
     (JNIEnv * env, jobject object, jlong jointId, jfloat value) {
         btSliderConstraint* joint = (btSliderConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         joint->setDampingLimLin(value);
     }
 
@@ -334,6 +464,11 @@ extern "C" {
     JNIEXPORT jfloat JNICALL Java_com_jme3_bullet_joints_SliderJoint_getSoftnessLimAng
     (JNIEnv * env, jobject object, jlong jointId) {
         btSliderConstraint* joint = (btSliderConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         return joint->getSoftnessLimAng();
     }
 
@@ -345,6 +480,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_joints_SliderJoint_setSoftnessLimAng
     (JNIEnv * env, jobject object, jlong jointId, jfloat value) {
         btSliderConstraint* joint = (btSliderConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         joint->setSoftnessLimAng(value);
     }
 
@@ -356,6 +496,11 @@ extern "C" {
     JNIEXPORT jfloat JNICALL Java_com_jme3_bullet_joints_SliderJoint_getRestitutionLimAng
     (JNIEnv * env, jobject object, jlong jointId) {
         btSliderConstraint* joint = (btSliderConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         return joint->getRestitutionLimAng();
     }
 
@@ -367,6 +512,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_joints_SliderJoint_setRestitutionLimAng
     (JNIEnv * env, jobject object, jlong jointId, jfloat value) {
         btSliderConstraint* joint = (btSliderConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         joint->setRestitutionLimAng(value);
     }
 
@@ -378,6 +528,11 @@ extern "C" {
     JNIEXPORT jfloat JNICALL Java_com_jme3_bullet_joints_SliderJoint_getDampingLimAng
     (JNIEnv * env, jobject object, jlong jointId) {
         btSliderConstraint* joint = (btSliderConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         return joint->getDampingLimAng();
     }
 
@@ -389,6 +544,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_joints_SliderJoint_setDampingLimAng
     (JNIEnv * env, jobject object, jlong jointId, jfloat value) {
         btSliderConstraint* joint = (btSliderConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         joint->setDampingLimAng(value);
     }
 
@@ -400,6 +560,11 @@ extern "C" {
     JNIEXPORT jfloat JNICALL Java_com_jme3_bullet_joints_SliderJoint_getSoftnessOrthoLin
     (JNIEnv * env, jobject object, jlong jointId) {
         btSliderConstraint* joint = (btSliderConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         return joint->getSoftnessOrthoLin();
     }
 
@@ -411,6 +576,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_joints_SliderJoint_setSoftnessOrthoLin
     (JNIEnv * env, jobject object, jlong jointId, jfloat value) {
         btSliderConstraint* joint = (btSliderConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         joint->setSoftnessOrthoLin(value);
     }
 
@@ -422,6 +592,11 @@ extern "C" {
     JNIEXPORT jfloat JNICALL Java_com_jme3_bullet_joints_SliderJoint_getRestitutionOrthoLin
     (JNIEnv * env, jobject object, jlong jointId) {
         btSliderConstraint* joint = (btSliderConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         return joint->getRestitutionOrthoLin();
     }
 
@@ -433,6 +608,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_joints_SliderJoint_setRestitutionOrthoLin
     (JNIEnv * env, jobject object, jlong jointId, jfloat value) {
         btSliderConstraint* joint = (btSliderConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         joint->setRestitutionOrthoLin(value);
     }
 
@@ -444,6 +624,11 @@ extern "C" {
     JNIEXPORT jfloat JNICALL Java_com_jme3_bullet_joints_SliderJoint_getDampingOrthoLin
     (JNIEnv * env, jobject object, jlong jointId) {
         btSliderConstraint* joint = (btSliderConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         return joint->getDampingOrthoLin();
     }
 
@@ -455,6 +640,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_joints_SliderJoint_setDampingOrthoLin
     (JNIEnv * env, jobject object, jlong jointId, jfloat value) {
         btSliderConstraint* joint = (btSliderConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         joint->setDampingOrthoLin(value);
     }
 
@@ -466,6 +656,11 @@ extern "C" {
     JNIEXPORT jfloat JNICALL Java_com_jme3_bullet_joints_SliderJoint_getSoftnessOrthoAng
     (JNIEnv * env, jobject object, jlong jointId) {
         btSliderConstraint* joint = (btSliderConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         return joint->getSoftnessOrthoAng();
     }
 
@@ -477,6 +672,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_joints_SliderJoint_setSoftnessOrthoAng
     (JNIEnv * env, jobject object, jlong jointId, jfloat value) {
         btSliderConstraint* joint = (btSliderConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         joint->setSoftnessOrthoAng(value);
     }
 
@@ -488,6 +688,11 @@ extern "C" {
     JNIEXPORT jfloat JNICALL Java_com_jme3_bullet_joints_SliderJoint_getRestitutionOrthoAng
     (JNIEnv * env, jobject object, jlong jointId) {
         btSliderConstraint* joint = (btSliderConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         return joint->getRestitutionOrthoAng();
     }
 
@@ -499,6 +704,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_joints_SliderJoint_setRestitutionOrthoAng
     (JNIEnv * env, jobject object, jlong jointId, jfloat value) {
         btSliderConstraint* joint = (btSliderConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         joint->setRestitutionOrthoAng(value);
     }
 
@@ -510,6 +720,11 @@ extern "C" {
     JNIEXPORT jfloat JNICALL Java_com_jme3_bullet_joints_SliderJoint_getDampingOrthoAng
     (JNIEnv * env, jobject object, jlong jointId) {
         btSliderConstraint* joint = (btSliderConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         return joint->getDampingOrthoAng();
     }
 
@@ -521,6 +736,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_joints_SliderJoint_setDampingOrthoAng
     (JNIEnv * env, jobject object, jlong jointId, jfloat value) {
         btSliderConstraint* joint = (btSliderConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         joint->setDampingOrthoAng(value);
     }
 
@@ -532,6 +752,11 @@ extern "C" {
     JNIEXPORT jboolean JNICALL Java_com_jme3_bullet_joints_SliderJoint_isPoweredLinMotor
     (JNIEnv * env, jobject object, jlong jointId) {
         btSliderConstraint* joint = (btSliderConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return false;
+        }
         return joint->getPoweredLinMotor();
     }
 
@@ -543,6 +768,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_joints_SliderJoint_setPoweredLinMotor
     (JNIEnv * env, jobject object, jlong jointId, jboolean value) {
         btSliderConstraint* joint = (btSliderConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         joint->setPoweredLinMotor(value);
     }
 
@@ -554,6 +784,11 @@ extern "C" {
     JNIEXPORT jfloat JNICALL Java_com_jme3_bullet_joints_SliderJoint_getTargetLinMotorVelocity
     (JNIEnv * env, jobject object, jlong jointId) {
         btSliderConstraint* joint = (btSliderConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         return joint->getTargetLinMotorVelocity();
     }
 
@@ -565,6 +800,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_joints_SliderJoint_setTargetLinMotorVelocity
     (JNIEnv * env, jobject object, jlong jointId, jfloat value) {
         btSliderConstraint* joint = (btSliderConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         joint->setTargetLinMotorVelocity(value);
     }
 
@@ -576,6 +816,11 @@ extern "C" {
     JNIEXPORT jfloat JNICALL Java_com_jme3_bullet_joints_SliderJoint_getMaxLinMotorForce
     (JNIEnv * env, jobject object, jlong jointId) {
         btSliderConstraint* joint = (btSliderConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         return joint->getMaxLinMotorForce();
     }
 
@@ -587,6 +832,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_joints_SliderJoint_setMaxLinMotorForce
     (JNIEnv * env, jobject object, jlong jointId, jfloat value) {
         btSliderConstraint* joint = (btSliderConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         joint->setMaxLinMotorForce(value);
     }
 
@@ -598,6 +848,11 @@ extern "C" {
     JNIEXPORT jboolean JNICALL Java_com_jme3_bullet_joints_SliderJoint_isPoweredAngMotor
     (JNIEnv * env, jobject object, jlong jointId) {
         btSliderConstraint* joint = (btSliderConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return false;
+        }
         return joint->getPoweredAngMotor();
     }
 
@@ -609,6 +864,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_joints_SliderJoint_setPoweredAngMotor
     (JNIEnv * env, jobject object, jlong jointId, jboolean value) {
         btSliderConstraint* joint = (btSliderConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         joint->setPoweredAngMotor(value);
     }
 
@@ -620,6 +880,11 @@ extern "C" {
     JNIEXPORT jfloat JNICALL Java_com_jme3_bullet_joints_SliderJoint_getTargetAngMotorVelocity
     (JNIEnv * env, jobject object, jlong jointId) {
         btSliderConstraint* joint = (btSliderConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         return joint->getTargetAngMotorVelocity();
     }
 
@@ -631,6 +896,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_joints_SliderJoint_setTargetAngMotorVelocity
     (JNIEnv * env, jobject object, jlong jointId, jfloat value) {
         btSliderConstraint* joint = (btSliderConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         joint->setTargetAngMotorVelocity(value);
     }
 
@@ -642,6 +912,11 @@ extern "C" {
     JNIEXPORT jfloat JNICALL Java_com_jme3_bullet_joints_SliderJoint_getMaxAngMotorForce
     (JNIEnv * env, jobject object, jlong jointId) {
         btSliderConstraint* joint = (btSliderConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         return joint->getMaxAngMotorForce();
     }
 
@@ -653,6 +928,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_joints_SliderJoint_setMaxAngMotorForce
     (JNIEnv * env, jobject object, jlong jointId, jfloat value) {
         btSliderConstraint* joint = (btSliderConstraint*) jointId;
+        if (joint == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         joint->setMaxAngMotorForce(value);
     }
 
@@ -666,8 +946,8 @@ extern "C" {
         jmeClasses::initJavaClasses(env);
         btRigidBody* bodyA = (btRigidBody*) bodyIdA;
         btRigidBody* bodyB = (btRigidBody*) bodyIdB;
-        btMatrix3x3 mtx1=btMatrix3x3();
-        btMatrix3x3 mtx2=btMatrix3x3();
+        btMatrix3x3 mtx1 = btMatrix3x3();
+        btMatrix3x3 mtx2 = btMatrix3x3();
         btTransform transA = btTransform(mtx1);
         jmeBulletUtil::convert(env, pivotA, &transA.getOrigin());
         jmeBulletUtil::convert(env, rotA, &transA.getBasis());
@@ -675,7 +955,7 @@ extern "C" {
         jmeBulletUtil::convert(env, pivotB, &transB.getOrigin());
         jmeBulletUtil::convert(env, rotB, &transB.getBasis());
         btSliderConstraint* joint = new btSliderConstraint(*bodyA, *bodyB, transA, transB, useLinearReferenceFrameA);
-        return (long)joint;
+        return (long) joint;
     }
 
 #ifdef __cplusplus

engine/src/bullet/native/com_jme3_bullet_joints_motors_RotationalLimitMotor.cpp

@@ -48,6 +48,11 @@ extern "C" {
     JNIEXPORT jfloat JNICALL Java_com_jme3_bullet_joints_motors_RotationalLimitMotor_getLoLimit
     (JNIEnv *env, jobject object, jlong motorId) {
         btRotationalLimitMotor* motor = (btRotationalLimitMotor*) motorId;
+        if (motor == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         return motor->m_loLimit;
     }
 
@@ -59,6 +64,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_joints_motors_RotationalLimitMotor_setLoLimit
     (JNIEnv *env, jobject object, jlong motorId, jfloat value) {
         btRotationalLimitMotor* motor = (btRotationalLimitMotor*) motorId;
+        if (motor == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         motor->m_loLimit = value;
     }
 
@@ -70,6 +80,11 @@ extern "C" {
     JNIEXPORT jfloat JNICALL Java_com_jme3_bullet_joints_motors_RotationalLimitMotor_getHiLimit
     (JNIEnv *env, jobject object, jlong motorId) {
         btRotationalLimitMotor* motor = (btRotationalLimitMotor*) motorId;
+        if (motor == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         return motor->m_hiLimit;
     }
 
@@ -81,6 +96,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_joints_motors_RotationalLimitMotor_setHiLimit
     (JNIEnv *env, jobject object, jlong motorId, jfloat value) {
         btRotationalLimitMotor* motor = (btRotationalLimitMotor*) motorId;
+        if (motor == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         motor->m_hiLimit = value;
     }
 
@@ -92,6 +112,11 @@ extern "C" {
     JNIEXPORT jfloat JNICALL Java_com_jme3_bullet_joints_motors_RotationalLimitMotor_getTargetVelocity
     (JNIEnv *env, jobject object, jlong motorId) {
         btRotationalLimitMotor* motor = (btRotationalLimitMotor*) motorId;
+        if (motor == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         return motor->m_targetVelocity;
     }
 
@@ -103,6 +128,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_joints_motors_RotationalLimitMotor_setTargetVelocity
     (JNIEnv *env, jobject object, jlong motorId, jfloat value) {
         btRotationalLimitMotor* motor = (btRotationalLimitMotor*) motorId;
+        if (motor == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         motor->m_targetVelocity = value;
     }
 
@@ -114,6 +144,11 @@ extern "C" {
     JNIEXPORT jfloat JNICALL Java_com_jme3_bullet_joints_motors_RotationalLimitMotor_getMaxMotorForce
     (JNIEnv *env, jobject object, jlong motorId) {
         btRotationalLimitMotor* motor = (btRotationalLimitMotor*) motorId;
+        if (motor == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         return motor->m_maxMotorForce;
     }
 
@@ -125,6 +160,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_joints_motors_RotationalLimitMotor_setMaxMotorForce
     (JNIEnv *env, jobject object, jlong motorId, jfloat value) {
         btRotationalLimitMotor* motor = (btRotationalLimitMotor*) motorId;
+        if (motor == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         motor->m_maxMotorForce = value;
     }
 
@@ -136,6 +176,11 @@ extern "C" {
     JNIEXPORT jfloat JNICALL Java_com_jme3_bullet_joints_motors_RotationalLimitMotor_getMaxLimitForce
     (JNIEnv *env, jobject object, jlong motorId) {
         btRotationalLimitMotor* motor = (btRotationalLimitMotor*) motorId;
+        if (motor == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         return motor->m_maxLimitForce;
     }
 
@@ -147,6 +192,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_joints_motors_RotationalLimitMotor_setMaxLimitForce
     (JNIEnv *env, jobject object, jlong motorId, jfloat value) {
         btRotationalLimitMotor* motor = (btRotationalLimitMotor*) motorId;
+        if (motor == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         motor->m_maxLimitForce = value;
     }
 
@@ -158,6 +208,11 @@ extern "C" {
     JNIEXPORT jfloat JNICALL Java_com_jme3_bullet_joints_motors_RotationalLimitMotor_getDamping
     (JNIEnv *env, jobject object, jlong motorId) {
         btRotationalLimitMotor* motor = (btRotationalLimitMotor*) motorId;
+        if (motor == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         return motor->m_damping;
     }
 
@@ -169,6 +224,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_joints_motors_RotationalLimitMotor_setDamping
     (JNIEnv *env, jobject object, jlong motorId, jfloat value) {
         btRotationalLimitMotor* motor = (btRotationalLimitMotor*) motorId;
+        if (motor == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         motor->m_damping = value;
     }
 
@@ -180,6 +240,11 @@ extern "C" {
     JNIEXPORT jfloat JNICALL Java_com_jme3_bullet_joints_motors_RotationalLimitMotor_getLimitSoftness
     (JNIEnv *env, jobject object, jlong motorId) {
         btRotationalLimitMotor* motor = (btRotationalLimitMotor*) motorId;
+        if (motor == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         return motor->m_limitSoftness;
     }
 
@@ -191,6 +256,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_joints_motors_RotationalLimitMotor_setLimitSoftness
     (JNIEnv *env, jobject object, jlong motorId, jfloat value) {
         btRotationalLimitMotor* motor = (btRotationalLimitMotor*) motorId;
+        if (motor == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         motor->m_limitSoftness = value;
     }
 
@@ -202,6 +272,11 @@ extern "C" {
     JNIEXPORT jfloat JNICALL Java_com_jme3_bullet_joints_motors_RotationalLimitMotor_getERP
     (JNIEnv *env, jobject object, jlong motorId) {
         btRotationalLimitMotor* motor = (btRotationalLimitMotor*) motorId;
+        if (motor == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         return motor->m_stopERP;
     }
 
@@ -213,6 +288,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_joints_motors_RotationalLimitMotor_setERP
     (JNIEnv *env, jobject object, jlong motorId, jfloat value) {
         btRotationalLimitMotor* motor = (btRotationalLimitMotor*) motorId;
+        if (motor == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         motor->m_stopERP = value;
     }
 
@@ -224,6 +304,11 @@ extern "C" {
     JNIEXPORT jfloat JNICALL Java_com_jme3_bullet_joints_motors_RotationalLimitMotor_getBounce
     (JNIEnv *env, jobject object, jlong motorId) {
         btRotationalLimitMotor* motor = (btRotationalLimitMotor*) motorId;
+        if (motor == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         return motor->m_bounce;
     }
 
@@ -235,6 +320,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_joints_motors_RotationalLimitMotor_setBounce
     (JNIEnv *env, jobject object, jlong motorId, jfloat value) {
         btRotationalLimitMotor* motor = (btRotationalLimitMotor*) motorId;
+        if (motor == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         motor->m_bounce = value;
     }
 
@@ -246,6 +336,11 @@ extern "C" {
     JNIEXPORT jboolean JNICALL Java_com_jme3_bullet_joints_motors_RotationalLimitMotor_isEnableMotor
     (JNIEnv *env, jobject object, jlong motorId) {
         btRotationalLimitMotor* motor = (btRotationalLimitMotor*) motorId;
+        if (motor == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return false;
+        }
         return motor->m_enableMotor;
     }
 
@@ -257,6 +352,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_joints_motors_RotationalLimitMotor_setEnableMotor
     (JNIEnv *env, jobject object, jlong motorId, jboolean value) {
         btRotationalLimitMotor* motor = (btRotationalLimitMotor*) motorId;
+        if (motor == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         motor->m_enableMotor = value;
     }
 

engine/src/bullet/native/com_jme3_bullet_joints_motors_TranslationalLimitMotor.cpp

@@ -48,6 +48,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_joints_motors_TranslationalLimitMotor_getLowerLimit
     (JNIEnv *env, jobject object, jlong motorId, jobject vector) {
         btTranslationalLimitMotor* motor = (btTranslationalLimitMotor*) motorId;
+        if (motor == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         jmeBulletUtil::convert(env, &motor->m_lowerLimit, vector);
     }
 
@@ -59,6 +64,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_joints_motors_TranslationalLimitMotor_setLowerLimit
     (JNIEnv *env, jobject object, jlong motorId, jobject vector) {
         btTranslationalLimitMotor* motor = (btTranslationalLimitMotor*) motorId;
+        if (motor == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         jmeBulletUtil::convert(env, vector, &motor->m_lowerLimit);
     }
 
@@ -70,6 +80,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_joints_motors_TranslationalLimitMotor_getUpperLimit
     (JNIEnv *env, jobject object, jlong motorId, jobject vector) {
         btTranslationalLimitMotor* motor = (btTranslationalLimitMotor*) motorId;
+        if (motor == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         jmeBulletUtil::convert(env, &motor->m_upperLimit, vector);
     }
 
@@ -81,6 +96,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_joints_motors_TranslationalLimitMotor_setUpperLimit
     (JNIEnv *env, jobject object, jlong motorId, jobject vector) {
         btTranslationalLimitMotor* motor = (btTranslationalLimitMotor*) motorId;
+        if (motor == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         jmeBulletUtil::convert(env, vector, &motor->m_upperLimit);
     }
 
@@ -92,6 +112,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_joints_motors_TranslationalLimitMotor_getAccumulatedImpulse
     (JNIEnv *env, jobject object, jlong motorId, jobject vector) {
         btTranslationalLimitMotor* motor = (btTranslationalLimitMotor*) motorId;
+        if (motor == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         jmeBulletUtil::convert(env, &motor->m_accumulatedImpulse, vector);
     }
 
@@ -103,6 +128,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_joints_motors_TranslationalLimitMotor_setAccumulatedImpulse
     (JNIEnv *env, jobject object, jlong motorId, jobject vector) {
         btTranslationalLimitMotor* motor = (btTranslationalLimitMotor*) motorId;
+        if (motor == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         jmeBulletUtil::convert(env, vector, &motor->m_accumulatedImpulse);
     }
 
@@ -114,6 +144,11 @@ extern "C" {
     JNIEXPORT jfloat JNICALL Java_com_jme3_bullet_joints_motors_TranslationalLimitMotor_getLetLimitSoftness
     (JNIEnv *env, jobject object, jlong motorId) {
         btTranslationalLimitMotor* motor = (btTranslationalLimitMotor*) motorId;
+        if (motor == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         return motor->m_limitSoftness;
     }
 
@@ -125,6 +160,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_joints_motors_TranslationalLimitMotor_setLimitSoftness
     (JNIEnv *env, jobject object, jlong motorId, jfloat value) {
         btTranslationalLimitMotor* motor = (btTranslationalLimitMotor*) motorId;
+        if (motor == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         motor->m_limitSoftness = value;
     }
 
@@ -136,6 +176,11 @@ extern "C" {
     JNIEXPORT jfloat JNICALL Java_com_jme3_bullet_joints_motors_TranslationalLimitMotor_getDamping
     (JNIEnv *env, jobject object, jlong motorId) {
         btTranslationalLimitMotor* motor = (btTranslationalLimitMotor*) motorId;
+        if (motor == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         return motor->m_damping;
     }
 
@@ -147,6 +192,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_joints_motors_TranslationalLimitMotor_setDamping
     (JNIEnv *env, jobject object, jlong motorId, jfloat value) {
         btTranslationalLimitMotor* motor = (btTranslationalLimitMotor*) motorId;
+        if (motor == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         motor->m_damping = value;
     }
 
@@ -158,6 +208,11 @@ extern "C" {
     JNIEXPORT jfloat JNICALL Java_com_jme3_bullet_joints_motors_TranslationalLimitMotor_getRestitution
     (JNIEnv *env, jobject object, jlong motorId) {
         btTranslationalLimitMotor* motor = (btTranslationalLimitMotor*) motorId;
+        if (motor == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         return motor->m_restitution;
     }
 
@@ -169,6 +224,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_joints_motors_TranslationalLimitMotor_setRestitution
     (JNIEnv *env, jobject object, jlong motorId, jfloat value) {
         btTranslationalLimitMotor* motor = (btTranslationalLimitMotor*) motorId;
+        if (motor == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         motor->m_restitution = value;
     }
 

engine/src/bullet/native/com_jme3_bullet_objects_PhysicsCharacter.cpp

@@ -63,6 +63,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_objects_PhysicsCharacter_setCharacterFlags
     (JNIEnv *env, jobject object, jlong ghostId) {
         btPairCachingGhostObject* ghost = (btPairCachingGhostObject*) ghostId;
+        if (ghost == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         ghost->setCollisionFlags(ghost->getCollisionFlags() | btCollisionObject::CF_CHARACTER_OBJECT);
         ghost->setCollisionFlags(ghost->getCollisionFlags() & ~btCollisionObject::CF_NO_CONTACT_RESPONSE);
     }
@@ -75,6 +80,11 @@ extern "C" {
     JNIEXPORT jlong JNICALL Java_com_jme3_bullet_objects_PhysicsCharacter_createCharacterObject
     (JNIEnv *env, jobject object, jlong objectId, jlong shapeId, jfloat stepHeight) {
         btPairCachingGhostObject* ghost = (btPairCachingGhostObject*) objectId;
+        if (ghost == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         //TODO: check convexshape!
         btConvexShape* shape = (btConvexShape*) shapeId;
         btKinematicCharacterController* character = new btKinematicCharacterController(ghost, shape, stepHeight);
@@ -89,6 +99,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_objects_PhysicsCharacter_warp
     (JNIEnv *env, jobject object, jlong objectId, jobject vector) {
         btKinematicCharacterController* character = (btKinematicCharacterController*) objectId;
+        if (character == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         btVector3 vec = btVector3();
         jmeBulletUtil::convert(env, vector, &vec);
         character->warp(vec);
@@ -102,6 +117,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_objects_PhysicsCharacter_setWalkDirection
     (JNIEnv *env, jobject object, jlong objectId, jobject vector) {
         btKinematicCharacterController* character = (btKinematicCharacterController*) objectId;
+        if (character == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         btVector3 vec = btVector3();
         jmeBulletUtil::convert(env, vector, &vec);
         character->setWalkDirection(vec);
@@ -115,6 +135,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_objects_PhysicsCharacter_setUpAxis
     (JNIEnv *env, jobject object, jlong objectId, jint value) {
         btKinematicCharacterController* character = (btKinematicCharacterController*) objectId;
+        if (character == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         character->setUpAxis(value);
     }
 
@@ -126,6 +151,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_objects_PhysicsCharacter_setFallSpeed
     (JNIEnv *env, jobject object, jlong objectId, jfloat value) {
         btKinematicCharacterController* character = (btKinematicCharacterController*) objectId;
+        if (character == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         character->setFallSpeed(value);
     }
 
@@ -137,6 +167,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_objects_PhysicsCharacter_setJumpSpeed
     (JNIEnv *env, jobject object, jlong objectId, jfloat value) {
         btKinematicCharacterController* character = (btKinematicCharacterController*) objectId;
+        if (character == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         character->setJumpSpeed(value);
     }
 
@@ -148,6 +183,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_objects_PhysicsCharacter_setGravity
     (JNIEnv *env, jobject object, jlong objectId, jfloat value) {
         btKinematicCharacterController* character = (btKinematicCharacterController*) objectId;
+        if (character == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         character->setGravity(value);
     }
 
@@ -159,6 +199,11 @@ extern "C" {
     JNIEXPORT jfloat JNICALL Java_com_jme3_bullet_objects_PhysicsCharacter_getGravity
     (JNIEnv *env, jobject object, jlong objectId) {
         btKinematicCharacterController* character = (btKinematicCharacterController*) objectId;
+        if (character == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         return character->getGravity();
     }
 
@@ -170,6 +215,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_objects_PhysicsCharacter_setMaxSlope
     (JNIEnv *env, jobject object, jlong objectId, jfloat value) {
         btKinematicCharacterController* character = (btKinematicCharacterController*) objectId;
+        if (character == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         character->setMaxSlope(value);
     }
 
@@ -181,6 +231,11 @@ extern "C" {
     JNIEXPORT jfloat JNICALL Java_com_jme3_bullet_objects_PhysicsCharacter_getMaxSlope
     (JNIEnv *env, jobject object, jlong objectId) {
         btKinematicCharacterController* character = (btKinematicCharacterController*) objectId;
+        if (character == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         return character->getMaxSlope();
     }
 
@@ -192,6 +247,11 @@ extern "C" {
     JNIEXPORT jboolean JNICALL Java_com_jme3_bullet_objects_PhysicsCharacter_onGround
     (JNIEnv *env, jobject object, jlong objectId) {
         btKinematicCharacterController* character = (btKinematicCharacterController*) objectId;
+        if (character == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return false;
+        }
         return character->onGround();
     }
 
@@ -203,6 +263,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_objects_PhysicsCharacter_jump
     (JNIEnv *env, jobject object, jlong objectId) {
         btKinematicCharacterController* character = (btKinematicCharacterController*) objectId;
+        if (character == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         character->jump();
     }
 
@@ -213,8 +278,13 @@ extern "C" {
      */
     JNIEXPORT void JNICALL Java_com_jme3_bullet_objects_PhysicsCharacter_getPhysicsLocation
     (JNIEnv *env, jobject object, jlong objectId, jobject value) {
-        btGhostObject* character = (btGhostObject*) objectId;
-        jmeBulletUtil::convert(env, &character->getWorldTransform().getOrigin(), value);
+        btGhostObject* ghost = (btGhostObject*) objectId;
+        if (ghost == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
+        jmeBulletUtil::convert(env, &ghost->getWorldTransform().getOrigin(), value);
     }
 
     /*
@@ -224,8 +294,13 @@ extern "C" {
      */
     JNIEXPORT void JNICALL Java_com_jme3_bullet_objects_PhysicsCharacter_setCcdSweptSphereRadius
     (JNIEnv *env, jobject object, jlong objectId, jfloat value) {
-        btGhostObject* character = (btGhostObject*) objectId;
-        character->setCcdSweptSphereRadius(value);
+        btGhostObject* ghost = (btGhostObject*) objectId;
+        if (ghost == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
+        ghost->setCcdSweptSphereRadius(value);
     }
 
     /*
@@ -235,8 +310,13 @@ extern "C" {
      */
     JNIEXPORT void JNICALL Java_com_jme3_bullet_objects_PhysicsCharacter_setCcdMotionThreshold
     (JNIEnv *env, jobject object, jlong objectId, jfloat value) {
-        btGhostObject* character = (btGhostObject*) objectId;
-        character->setCcdMotionThreshold(value);
+        btGhostObject* ghost = (btGhostObject*) objectId;
+        if (ghost == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
+        ghost->setCcdMotionThreshold(value);
     }
 
     /*
@@ -246,8 +326,13 @@ extern "C" {
      */
     JNIEXPORT jfloat JNICALL Java_com_jme3_bullet_objects_PhysicsCharacter_getCcdSweptSphereRadius
     (JNIEnv *env, jobject object, jlong objectId) {
-        btGhostObject* character = (btGhostObject*) objectId;
-        return character->getCcdSweptSphereRadius();
+        btGhostObject* ghost = (btGhostObject*) objectId;
+        if (ghost == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
+        return ghost->getCcdSweptSphereRadius();
     }
 
     /*
@@ -257,8 +342,13 @@ extern "C" {
      */
     JNIEXPORT jfloat JNICALL Java_com_jme3_bullet_objects_PhysicsCharacter_getCcdMotionThreshold
     (JNIEnv *env, jobject object, jlong objectId) {
-        btGhostObject* character = (btGhostObject*) objectId;
-        return character->getCcdMotionThreshold();
+        btGhostObject* ghost = (btGhostObject*) objectId;
+        if (ghost == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
+        return ghost->getCcdMotionThreshold();
     }
 
     /*
@@ -268,8 +358,13 @@ extern "C" {
      */
     JNIEXPORT jfloat JNICALL Java_com_jme3_bullet_objects_PhysicsCharacter_getCcdSquareMotionThreshold
     (JNIEnv *env, jobject object, jlong objectId) {
-        btGhostObject* character = (btGhostObject*) objectId;
-        return character->getCcdSquareMotionThreshold();
+        btGhostObject* ghost = (btGhostObject*) objectId;
+        if (ghost == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
+        return ghost->getCcdSquareMotionThreshold();
     }
 
     /*
@@ -280,6 +375,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_objects_PhysicsCharacter_finalizeNativeCharacter
     (JNIEnv *env, jobject object, jlong objectId) {
         btKinematicCharacterController* character = (btKinematicCharacterController*) objectId;
+        if (character == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         delete(character);
     }
 

engine/src/bullet/native/com_jme3_bullet_objects_PhysicsGhostObject.cpp

@@ -63,6 +63,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_objects_PhysicsGhostObject_setGhostFlags
     (JNIEnv *env, jobject object, jlong objectId) {
         btPairCachingGhostObject* ghost = (btPairCachingGhostObject*) objectId;
+        if (ghost == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         ghost->setCollisionFlags(ghost->getCollisionFlags() | btCollisionObject::CF_NO_CONTACT_RESPONSE);
     }
 
@@ -72,8 +77,13 @@ extern "C" {
      * Signature: (JLcom/jme3/math/Vector3f;)V
      */
     JNIEXPORT void JNICALL Java_com_jme3_bullet_objects_PhysicsGhostObject_setPhysicsLocation
-    (JNIEnv *env, jobject object, jlong objectId, jobject value){
-        btPairCachingGhostObject* ghost = (btPairCachingGhostObject*)objectId;
+    (JNIEnv *env, jobject object, jlong objectId, jobject value) {
+        btPairCachingGhostObject* ghost = (btPairCachingGhostObject*) objectId;
+        if (ghost == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         jmeBulletUtil::convert(env, value, &ghost->getWorldTransform().getOrigin());
     }
 
@@ -83,8 +93,13 @@ extern "C" {
      * Signature: (JLcom/jme3/math/Matrix3f;)V
      */
     JNIEXPORT void JNICALL Java_com_jme3_bullet_objects_PhysicsGhostObject_setPhysicsRotation__JLcom_jme3_math_Matrix3f_2
-    (JNIEnv *env, jobject object, jlong objectId, jobject value){
-        btPairCachingGhostObject* ghost = (btPairCachingGhostObject*)objectId;
+    (JNIEnv *env, jobject object, jlong objectId, jobject value) {
+        btPairCachingGhostObject* ghost = (btPairCachingGhostObject*) objectId;
+        if (ghost == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         jmeBulletUtil::convert(env, value, &ghost->getWorldTransform().getBasis());
     }
 
@@ -94,8 +109,13 @@ extern "C" {
      * Signature: (JLcom/jme3/math/Quaternion;)V
      */
     JNIEXPORT void JNICALL Java_com_jme3_bullet_objects_PhysicsGhostObject_setPhysicsRotation__JLcom_jme3_math_Quaternion_2
-    (JNIEnv *env, jobject object, jlong objectId, jobject value){
-        btPairCachingGhostObject* ghost = (btPairCachingGhostObject*)objectId;
+    (JNIEnv *env, jobject object, jlong objectId, jobject value) {
+        btPairCachingGhostObject* ghost = (btPairCachingGhostObject*) objectId;
+        if (ghost == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         jmeBulletUtil::convertQuat(env, value, &ghost->getWorldTransform().getBasis());
     }
 
@@ -105,8 +125,13 @@ extern "C" {
      * Signature: (JLcom/jme3/math/Vector3f;)V
      */
     JNIEXPORT void JNICALL Java_com_jme3_bullet_objects_PhysicsGhostObject_getPhysicsLocation
-    (JNIEnv *env, jobject object, jlong objectId, jobject value){
-        btPairCachingGhostObject* ghost = (btPairCachingGhostObject*)objectId;
+    (JNIEnv *env, jobject object, jlong objectId, jobject value) {
+        btPairCachingGhostObject* ghost = (btPairCachingGhostObject*) objectId;
+        if (ghost == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         jmeBulletUtil::convert(env, &ghost->getWorldTransform().getOrigin(), value);
     }
 
@@ -116,8 +141,13 @@ extern "C" {
      * Signature: (JLcom/jme3/math/Quaternion;)V
      */
     JNIEXPORT void JNICALL Java_com_jme3_bullet_objects_PhysicsGhostObject_getPhysicsRotation
-    (JNIEnv *env, jobject object, jlong objectId, jobject value){
-        btPairCachingGhostObject* ghost = (btPairCachingGhostObject*)objectId;
+    (JNIEnv *env, jobject object, jlong objectId, jobject value) {
+        btPairCachingGhostObject* ghost = (btPairCachingGhostObject*) objectId;
+        if (ghost == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         jmeBulletUtil::convertQuat(env, &ghost->getWorldTransform().getBasis(), value);
     }
 
@@ -127,8 +157,13 @@ extern "C" {
      * Signature: (JLcom/jme3/math/Matrix3f;)V
      */
     JNIEXPORT void JNICALL Java_com_jme3_bullet_objects_PhysicsGhostObject_getPhysicsRotationMatrix
-    (JNIEnv *env, jobject object, jlong objectId, jobject value){
-        btPairCachingGhostObject* ghost = (btPairCachingGhostObject*)objectId;
+    (JNIEnv *env, jobject object, jlong objectId, jobject value) {
+        btPairCachingGhostObject* ghost = (btPairCachingGhostObject*) objectId;
+        if (ghost == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         jmeBulletUtil::convert(env, &ghost->getWorldTransform().getBasis(), value);
     }
 
@@ -138,8 +173,13 @@ extern "C" {
      * Signature: (J)I
      */
     JNIEXPORT jint JNICALL Java_com_jme3_bullet_objects_PhysicsGhostObject_getOverlappingCount
-    (JNIEnv *env, jobject object, jlong objectId){
-        btPairCachingGhostObject* ghost = (btPairCachingGhostObject*)objectId;
+    (JNIEnv *env, jobject object, jlong objectId) {
+        btPairCachingGhostObject* ghost = (btPairCachingGhostObject*) objectId;
+        if (ghost == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         return ghost->getNumOverlappingObjects();
     }
 
@@ -149,8 +189,13 @@ extern "C" {
      * Signature: (JF)V
      */
     JNIEXPORT void JNICALL Java_com_jme3_bullet_objects_PhysicsGhostObject_setCcdSweptSphereRadius
-    (JNIEnv *env, jobject object, jlong objectId, jfloat value){
-        btPairCachingGhostObject* ghost = (btPairCachingGhostObject*)objectId;
+    (JNIEnv *env, jobject object, jlong objectId, jfloat value) {
+        btPairCachingGhostObject* ghost = (btPairCachingGhostObject*) objectId;
+        if (ghost == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         ghost->setCcdSweptSphereRadius(value);
     }
 
@@ -160,8 +205,13 @@ extern "C" {
      * Signature: (JF)V
      */
     JNIEXPORT void JNICALL Java_com_jme3_bullet_objects_PhysicsGhostObject_setCcdMotionThreshold
-    (JNIEnv *env, jobject object, jlong objectId, jfloat value){
-        btPairCachingGhostObject* ghost = (btPairCachingGhostObject*)objectId;
+    (JNIEnv *env, jobject object, jlong objectId, jfloat value) {
+        btPairCachingGhostObject* ghost = (btPairCachingGhostObject*) objectId;
+        if (ghost == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         ghost->setCcdMotionThreshold(value);
     }
 
@@ -171,8 +221,13 @@ extern "C" {
      * Signature: (J)F
      */
     JNIEXPORT jfloat JNICALL Java_com_jme3_bullet_objects_PhysicsGhostObject_getCcdSweptSphereRadius
-    (JNIEnv *env, jobject object, jlong objectId){
-        btPairCachingGhostObject* ghost = (btPairCachingGhostObject*)objectId;
+    (JNIEnv *env, jobject object, jlong objectId) {
+        btPairCachingGhostObject* ghost = (btPairCachingGhostObject*) objectId;
+        if (ghost == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         return ghost->getCcdSweptSphereRadius();
     }
 
@@ -182,8 +237,13 @@ extern "C" {
      * Signature: (J)F
      */
     JNIEXPORT jfloat JNICALL Java_com_jme3_bullet_objects_PhysicsGhostObject_getCcdMotionThreshold
-    (JNIEnv *env, jobject object, jlong objectId){
-        btPairCachingGhostObject* ghost = (btPairCachingGhostObject*)objectId;
+    (JNIEnv *env, jobject object, jlong objectId) {
+        btPairCachingGhostObject* ghost = (btPairCachingGhostObject*) objectId;
+        if (ghost == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         return ghost->getCcdMotionThreshold();
     }
 
@@ -193,8 +253,13 @@ extern "C" {
      * Signature: (J)F
      */
     JNIEXPORT jfloat JNICALL Java_com_jme3_bullet_objects_PhysicsGhostObject_getCcdSquareMotionThreshold
-    (JNIEnv *env, jobject object, jlong objectId){
-        btPairCachingGhostObject* ghost = (btPairCachingGhostObject*)objectId;
+    (JNIEnv *env, jobject object, jlong objectId) {
+        btPairCachingGhostObject* ghost = (btPairCachingGhostObject*) objectId;
+        if (ghost == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         return ghost->getCcdSquareMotionThreshold();
     }
 

engine/src/bullet/native/com_jme3_bullet_objects_PhysicsRigidBody.cpp

@@ -65,6 +65,11 @@ extern "C" {
     JNIEXPORT jboolean JNICALL Java_com_jme3_bullet_objects_PhysicsRigidBody_isInWorld
     (JNIEnv *env, jobject object, jlong bodyId) {
         btRigidBody* body = (btRigidBody*) bodyId;
+        if (body == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return false;
+        }
         return body->isInWorld();
     }
 
@@ -76,16 +81,21 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_objects_PhysicsRigidBody_setPhysicsLocation
     (JNIEnv *env, jobject object, jlong bodyId, jobject value) {
         btRigidBody* body = (btRigidBody*) bodyId;
-//        if (body->isStaticOrKinematicObject() || !body->isInWorld())
-            ((jmeMotionState*)body->getMotionState())->setKinematicLocation(env, value);
-            body->setCenterOfMassTransform(((jmeMotionState*)body->getMotionState())->worldTransform);
-//        else{
-//            btMatrix3x3* mtx = &btMatrix3x3();
-//            btTransform* trans = &btTransform(*mtx);
-//            trans->setBasis(body->getCenterOfMassTransform().getBasis());
-//            jmeBulletUtil::convert(env, value, &trans->getOrigin());
-//            body->setCenterOfMassTransform(*trans);
-//        }
+        if (body == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
+        //        if (body->isStaticOrKinematicObject() || !body->isInWorld())
+        ((jmeMotionState*) body->getMotionState())->setKinematicLocation(env, value);
+        body->setCenterOfMassTransform(((jmeMotionState*) body->getMotionState())->worldTransform);
+        //        else{
+        //            btMatrix3x3* mtx = &btMatrix3x3();
+        //            btTransform* trans = &btTransform(*mtx);
+        //            trans->setBasis(body->getCenterOfMassTransform().getBasis());
+        //            jmeBulletUtil::convert(env, value, &trans->getOrigin());
+        //            body->setCenterOfMassTransform(*trans);
+        //        }
     }
 
     /*
@@ -96,16 +106,21 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_objects_PhysicsRigidBody_setPhysicsRotation__JLcom_jme3_math_Matrix3f_2
     (JNIEnv *env, jobject object, jlong bodyId, jobject value) {
         btRigidBody* body = (btRigidBody*) bodyId;
-//        if (body->isStaticOrKinematicObject() || !body->isInWorld())
-            ((jmeMotionState*)body->getMotionState())->setKinematicRotation(env, value);
-            body->setCenterOfMassTransform(((jmeMotionState*)body->getMotionState())->worldTransform);
-//        else{
-//            btMatrix3x3* mtx = &btMatrix3x3();
-//            btTransform* trans = &btTransform(*mtx);
-//            trans->setOrigin(body->getCenterOfMassTransform().getOrigin());
-//            jmeBulletUtil::convert(env, value, &trans->getBasis());
-//            body->setCenterOfMassTransform(*trans);
-//        }
+        if (body == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
+        //        if (body->isStaticOrKinematicObject() || !body->isInWorld())
+        ((jmeMotionState*) body->getMotionState())->setKinematicRotation(env, value);
+        body->setCenterOfMassTransform(((jmeMotionState*) body->getMotionState())->worldTransform);
+        //        else{
+        //            btMatrix3x3* mtx = &btMatrix3x3();
+        //            btTransform* trans = &btTransform(*mtx);
+        //            trans->setOrigin(body->getCenterOfMassTransform().getOrigin());
+        //            jmeBulletUtil::convert(env, value, &trans->getBasis());
+        //            body->setCenterOfMassTransform(*trans);
+        //        }
     }
 
     /*
@@ -116,16 +131,21 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_objects_PhysicsRigidBody_setPhysicsRotation__JLcom_jme3_math_Quaternion_2
     (JNIEnv *env, jobject object, jlong bodyId, jobject value) {
         btRigidBody* body = (btRigidBody*) bodyId;
-//        if (body->isStaticOrKinematicObject() || !body->isInWorld())
-            ((jmeMotionState*)body->getMotionState())->setKinematicRotationQuat(env, value);
-            body->setCenterOfMassTransform(((jmeMotionState*)body->getMotionState())->worldTransform);
-//        else{
-//            btMatrix3x3* mtx = &btMatrix3x3();
-//            btTransform* trans = &btTransform(*mtx);
-//            trans->setOrigin(body->getCenterOfMassTransform().getOrigin());
-//            jmeBulletUtil::convertQuat(env, value, &trans->getBasis());
-//            body->setCenterOfMassTransform(*trans);
-//        }
+        if (body == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
+        //        if (body->isStaticOrKinematicObject() || !body->isInWorld())
+        ((jmeMotionState*) body->getMotionState())->setKinematicRotationQuat(env, value);
+        body->setCenterOfMassTransform(((jmeMotionState*) body->getMotionState())->worldTransform);
+        //        else{
+        //            btMatrix3x3* mtx = &btMatrix3x3();
+        //            btTransform* trans = &btTransform(*mtx);
+        //            trans->setOrigin(body->getCenterOfMassTransform().getOrigin());
+        //            jmeBulletUtil::convertQuat(env, value, &trans->getBasis());
+        //            body->setCenterOfMassTransform(*trans);
+        //        }
     }
 
     /*
@@ -136,6 +156,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_objects_PhysicsRigidBody_getPhysicsLocation
     (JNIEnv *env, jobject object, jlong bodyId, jobject value) {
         btRigidBody* body = (btRigidBody*) bodyId;
+        if (body == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         jmeBulletUtil::convert(env, &body->getWorldTransform().getOrigin(), value);
     }
 
@@ -147,6 +172,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_objects_PhysicsRigidBody_getPhysicsRotation
     (JNIEnv *env, jobject object, jlong bodyId, jobject value) {
         btRigidBody* body = (btRigidBody*) bodyId;
+        if (body == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         jmeBulletUtil::convertQuat(env, &body->getWorldTransform().getBasis(), value);
     }
 
@@ -158,6 +188,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_objects_PhysicsRigidBody_getPhysicsRotationMatrix
     (JNIEnv *env, jobject object, jlong bodyId, jobject value) {
         btRigidBody* body = (btRigidBody*) bodyId;
+        if (body == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         jmeBulletUtil::convert(env, &body->getWorldTransform().getBasis(), value);
     }
 
@@ -169,6 +204,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_objects_PhysicsRigidBody_setKinematic
     (JNIEnv *env, jobject object, jlong bodyId, jboolean value) {
         btRigidBody* body = (btRigidBody*) bodyId;
+        if (body == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         if (value) {
             body->setCollisionFlags(body->getCollisionFlags() | btCollisionObject::CF_KINEMATIC_OBJECT);
             body->setActivationState(DISABLE_DEACTIVATION);
@@ -186,6 +226,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_objects_PhysicsRigidBody_setCcdSweptSphereRadius
     (JNIEnv *env, jobject object, jlong bodyId, jfloat value) {
         btRigidBody* body = (btRigidBody*) bodyId;
+        if (body == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         body->setCcdSweptSphereRadius(value);
     }
 
@@ -197,6 +242,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_objects_PhysicsRigidBody_setCcdMotionThreshold
     (JNIEnv *env, jobject object, jlong bodyId, jfloat value) {
         btRigidBody* body = (btRigidBody*) bodyId;
+        if (body == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         body->setCcdMotionThreshold(value);
     }
 
@@ -208,6 +258,11 @@ extern "C" {
     JNIEXPORT jfloat JNICALL Java_com_jme3_bullet_objects_PhysicsRigidBody_getCcdSweptSphereRadius
     (JNIEnv *env, jobject object, jlong bodyId) {
         btRigidBody* body = (btRigidBody*) bodyId;
+        if (body == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         return body->getCcdSweptSphereRadius();
     }
 
@@ -219,6 +274,11 @@ extern "C" {
     JNIEXPORT jfloat JNICALL Java_com_jme3_bullet_objects_PhysicsRigidBody_getCcdMotionThreshold
     (JNIEnv *env, jobject object, jlong bodyId) {
         btRigidBody* body = (btRigidBody*) bodyId;
+        if (body == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         return body->getCcdMotionThreshold();
     }
 
@@ -230,6 +290,11 @@ extern "C" {
     JNIEXPORT jfloat JNICALL Java_com_jme3_bullet_objects_PhysicsRigidBody_getCcdSquareMotionThreshold
     (JNIEnv *env, jobject object, jlong bodyId) {
         btRigidBody* body = (btRigidBody*) bodyId;
+        if (body == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         return body->getCcdSquareMotionThreshold();
     }
 
@@ -241,6 +306,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_objects_PhysicsRigidBody_setStatic
     (JNIEnv *env, jobject object, jlong bodyId, jboolean value) {
         btRigidBody* body = (btRigidBody*) bodyId;
+        if (body == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         if (value) {
             body->setCollisionFlags(body->getCollisionFlags() | btCollisionObject::CF_STATIC_OBJECT);
         } else {
@@ -256,6 +326,11 @@ extern "C" {
     JNIEXPORT jlong JNICALL Java_com_jme3_bullet_objects_PhysicsRigidBody_updateMassProps
     (JNIEnv *env, jobject object, jlong bodyId, jlong shapeId, jfloat mass) {
         btRigidBody* body = (btRigidBody*) bodyId;
+        if (body == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         btCollisionShape* shape = (btCollisionShape*) shapeId;
         btVector3 localInertia = btVector3();
         shape->calculateLocalInertia(mass, localInertia);
@@ -271,6 +346,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_objects_PhysicsRigidBody_getGravity
     (JNIEnv *env, jobject object, jlong bodyId, jobject value) {
         btRigidBody* body = (btRigidBody*) bodyId;
+        if (body == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         jmeBulletUtil::convert(env, &body->getGravity(), value);
     }
 
@@ -282,6 +362,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_objects_PhysicsRigidBody_setGravity
     (JNIEnv *env, jobject object, jlong bodyId, jobject value) {
         btRigidBody* body = (btRigidBody*) bodyId;
+        if (body == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         btVector3 vec = btVector3();
         jmeBulletUtil::convert(env, value, &vec);
         body->setGravity(vec);
@@ -295,6 +380,11 @@ extern "C" {
     JNIEXPORT jfloat JNICALL Java_com_jme3_bullet_objects_PhysicsRigidBody_getFriction
     (JNIEnv *env, jobject object, jlong bodyId) {
         btRigidBody* body = (btRigidBody*) bodyId;
+        if (body == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         return body->getFriction();
     }
 
@@ -306,6 +396,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_objects_PhysicsRigidBody_setFriction
     (JNIEnv *env, jobject object, jlong bodyId, jfloat value) {
         btRigidBody* body = (btRigidBody*) bodyId;
+        if (body == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         body->setFriction(value);
     }
 
@@ -317,6 +412,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_objects_PhysicsRigidBody_setDamping
     (JNIEnv *env, jobject object, jlong bodyId, jfloat value1, jfloat value2) {
         btRigidBody* body = (btRigidBody*) bodyId;
+        if (body == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         body->setDamping(value1, value2);
     }
 
@@ -328,6 +428,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_objects_PhysicsRigidBody_setAngularDamping
     (JNIEnv *env, jobject object, jlong bodyId, jfloat value) {
         btRigidBody* body = (btRigidBody*) bodyId;
+        if (body == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         body->setDamping(body->getLinearDamping(), value);
     }
 
@@ -339,6 +444,11 @@ extern "C" {
     JNIEXPORT jfloat JNICALL Java_com_jme3_bullet_objects_PhysicsRigidBody_getLinearDamping
     (JNIEnv *env, jobject object, jlong bodyId) {
         btRigidBody* body = (btRigidBody*) bodyId;
+        if (body == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         return body->getLinearDamping();
     }
 
@@ -350,6 +460,11 @@ extern "C" {
     JNIEXPORT jfloat JNICALL Java_com_jme3_bullet_objects_PhysicsRigidBody_getAngularDamping
     (JNIEnv *env, jobject object, jlong bodyId) {
         btRigidBody* body = (btRigidBody*) bodyId;
+        if (body == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         return body->getAngularDamping();
     }
 
@@ -361,6 +476,11 @@ extern "C" {
     JNIEXPORT jfloat JNICALL Java_com_jme3_bullet_objects_PhysicsRigidBody_getRestitution
     (JNIEnv *env, jobject object, jlong bodyId) {
         btRigidBody* body = (btRigidBody*) bodyId;
+        if (body == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         return body->getRestitution();
     }
 
@@ -372,6 +492,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_objects_PhysicsRigidBody_setRestitution
     (JNIEnv *env, jobject object, jlong bodyId, jfloat value) {
         btRigidBody* body = (btRigidBody*) bodyId;
+        if (body == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         body->setRestitution(value);
     }
 
@@ -383,6 +508,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_objects_PhysicsRigidBody_getAngularVelocity
     (JNIEnv *env, jobject object, jlong bodyId, jobject value) {
         btRigidBody* body = (btRigidBody*) bodyId;
+        if (body == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         jmeBulletUtil::convert(env, &body->getAngularVelocity(), value);
     }
 
@@ -394,8 +524,13 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_objects_PhysicsRigidBody_setAngularVelocity
     (JNIEnv *env, jobject object, jlong bodyId, jobject value) {
         btRigidBody* body = (btRigidBody*) bodyId;
+        if (body == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         btVector3 vec = btVector3();
-        jmeBulletUtil::convert(env, value,&vec);
+        jmeBulletUtil::convert(env, value, &vec);
         body->setAngularVelocity(vec);
     }
 
@@ -407,6 +542,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_objects_PhysicsRigidBody_getLinearVelocity
     (JNIEnv *env, jobject object, jlong bodyId, jobject value) {
         btRigidBody* body = (btRigidBody*) bodyId;
+        if (body == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         jmeBulletUtil::convert(env, &body->getLinearVelocity(), value);
     }
 
@@ -418,6 +558,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_objects_PhysicsRigidBody_setLinearVelocity
     (JNIEnv *env, jobject object, jlong bodyId, jobject value) {
         btRigidBody* body = (btRigidBody*) bodyId;
+        if (body == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         btVector3 vec = btVector3();
         jmeBulletUtil::convert(env, value, &vec);
         body->setLinearVelocity(vec);
@@ -431,6 +576,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_objects_PhysicsRigidBody_applyForce
     (JNIEnv *env, jobject object, jlong bodyId, jobject force, jobject location) {
         btRigidBody* body = (btRigidBody*) bodyId;
+        if (body == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         btVector3 vec1 = btVector3();
         btVector3 vec2 = btVector3();
         jmeBulletUtil::convert(env, force, &vec1);
@@ -446,6 +596,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_objects_PhysicsRigidBody_applyCentralForce
     (JNIEnv *env, jobject object, jlong bodyId, jobject force) {
         btRigidBody* body = (btRigidBody*) bodyId;
+        if (body == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         btVector3 vec1 = btVector3();
         jmeBulletUtil::convert(env, force, &vec1);
         body->applyCentralForce(vec1);
@@ -459,6 +614,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_objects_PhysicsRigidBody_applyTorque
     (JNIEnv *env, jobject object, jlong bodyId, jobject force) {
         btRigidBody* body = (btRigidBody*) bodyId;
+        if (body == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         btVector3 vec1 = btVector3();
         jmeBulletUtil::convert(env, force, &vec1);
         body->applyTorque(vec1);
@@ -472,6 +632,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_objects_PhysicsRigidBody_applyImpulse
     (JNIEnv *env, jobject object, jlong bodyId, jobject force, jobject location) {
         btRigidBody* body = (btRigidBody*) bodyId;
+        if (body == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         btVector3 vec1 = btVector3();
         btVector3 vec2 = btVector3();
         jmeBulletUtil::convert(env, force, &vec1);
@@ -487,6 +652,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_objects_PhysicsRigidBody_applyTorqueImpulse
     (JNIEnv *env, jobject object, jlong bodyId, jobject force) {
         btRigidBody* body = (btRigidBody*) bodyId;
+        if (body == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         btVector3 vec1 = btVector3();
         jmeBulletUtil::convert(env, force, &vec1);
         body->applyTorqueImpulse(vec1);
@@ -500,6 +670,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_objects_PhysicsRigidBody_clearForces
     (JNIEnv *env, jobject object, jlong bodyId) {
         btRigidBody* body = (btRigidBody*) bodyId;
+        if (body == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         body->clearForces();
     }
 
@@ -511,6 +686,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_objects_PhysicsRigidBody_setCollisionShape
     (JNIEnv *env, jobject object, jlong bodyId, jlong shapeId) {
         btRigidBody* body = (btRigidBody*) bodyId;
+        if (body == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         btCollisionShape* shape = (btCollisionShape*) shapeId;
         body->setCollisionShape(shape);
     }
@@ -523,6 +703,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_objects_PhysicsRigidBody_activate
     (JNIEnv *env, jobject object, jlong bodyId) {
         btRigidBody* body = (btRigidBody*) bodyId;
+        if (body == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         body->activate(false);
     }
 
@@ -534,6 +719,11 @@ extern "C" {
     JNIEXPORT jboolean JNICALL Java_com_jme3_bullet_objects_PhysicsRigidBody_isActive
     (JNIEnv *env, jobject object, jlong bodyId) {
         btRigidBody* body = (btRigidBody*) bodyId;
+        if (body == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return false;
+        }
         return body->isActive();
     }
 
@@ -545,6 +735,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_objects_PhysicsRigidBody_setSleepingThresholds
     (JNIEnv *env, jobject object, jlong bodyId, jfloat linear, jfloat angular) {
         btRigidBody* body = (btRigidBody*) bodyId;
+        if (body == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         body->setSleepingThresholds(linear, angular);
     }
 
@@ -556,6 +751,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_objects_PhysicsRigidBody_setLinearSleepingThreshold
     (JNIEnv *env, jobject object, jlong bodyId, jfloat value) {
         btRigidBody* body = (btRigidBody*) bodyId;
+        if (body == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         body->setSleepingThresholds(value, body->getAngularSleepingThreshold());
     }
 
@@ -567,6 +767,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_objects_PhysicsRigidBody_setAngularSleepingThreshold
     (JNIEnv *env, jobject object, jlong bodyId, jfloat value) {
         btRigidBody* body = (btRigidBody*) bodyId;
+        if (body == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         body->setSleepingThresholds(body->getLinearSleepingThreshold(), value);
     }
 
@@ -578,6 +783,11 @@ extern "C" {
     JNIEXPORT jfloat JNICALL Java_com_jme3_bullet_objects_PhysicsRigidBody_getLinearSleepingThreshold
     (JNIEnv *env, jobject object, jlong bodyId) {
         btRigidBody* body = (btRigidBody*) bodyId;
+        if (body == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         return body->getLinearSleepingThreshold();
     }
 
@@ -589,6 +799,11 @@ extern "C" {
     JNIEXPORT jfloat JNICALL Java_com_jme3_bullet_objects_PhysicsRigidBody_getAngularSleepingThreshold
     (JNIEnv *env, jobject object, jlong bodyId) {
         btRigidBody* body = (btRigidBody*) bodyId;
+        if (body == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         return body->getAngularSleepingThreshold();
     }
 
@@ -600,6 +815,11 @@ extern "C" {
     JNIEXPORT jfloat JNICALL Java_com_jme3_bullet_objects_PhysicsRigidBody_getAngularFactor
     (JNIEnv *env, jobject object, jlong bodyId) {
         btRigidBody* body = (btRigidBody*) bodyId;
+        if (body == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         return body->getAngularFactor().getX();
     }
 
@@ -611,6 +831,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_objects_PhysicsRigidBody_setAngularFactor
     (JNIEnv *env, jobject object, jlong bodyId, jfloat value) {
         btRigidBody* body = (btRigidBody*) bodyId;
+        if (body == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         btVector3 vec1 = btVector3();
         vec1.setX(value);
         vec1.setY(value);

engine/src/bullet/native/com_jme3_bullet_objects_PhysicsVehicle.cpp

@@ -50,6 +50,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_objects_PhysicsVehicle_updateWheelTransform
     (JNIEnv *env, jobject object, jlong vehicleId, jint wheel, jboolean interpolated) {
         btRaycastVehicle* vehicle = (btRaycastVehicle*) vehicleId;
+        if (vehicle == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         vehicle->updateWheelTransform(wheel, interpolated);
     }
 
@@ -62,6 +67,11 @@ extern "C" {
     (JNIEnv *env, jobject object, jlong bodyId, jlong spaceId) {
         //btRigidBody* body = (btRigidBody*) bodyId;
         btDiscreteDynamicsWorld* spsace = (btDiscreteDynamicsWorld*) spaceId;
+        if (spsace == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         btDefaultVehicleRaycaster* caster = new btDefaultVehicleRaycaster(spsace);
         return (long) caster;
     }
@@ -74,6 +84,11 @@ extern "C" {
     JNIEXPORT jlong JNICALL Java_com_jme3_bullet_objects_PhysicsVehicle_createRaycastVehicle
     (JNIEnv *env, jobject object, jlong objectId, jlong casterId) {
         btRigidBody* body = (btRigidBody*) objectId;
+        if (body == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         body->setActivationState(DISABLE_DEACTIVATION);
         btVehicleRaycaster* caster = (btDefaultVehicleRaycaster*) casterId;
         btRaycastVehicle::btVehicleTuning tuning;
@@ -90,6 +105,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_objects_PhysicsVehicle_setCoordinateSystem
     (JNIEnv *env, jobject object, jlong vehicleId, jint right, jint up, jint forward) {
         btRaycastVehicle* vehicle = (btRaycastVehicle*) vehicleId;
+        if (vehicle == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         vehicle->setCoordinateSystem(right, up, forward);
     }
 
@@ -101,6 +121,11 @@ extern "C" {
     JNIEXPORT jlong JNICALL Java_com_jme3_bullet_objects_PhysicsVehicle_addWheel
     (JNIEnv *env, jobject object, jlong vehicleId, jobject location, jobject direction, jobject axle, jfloat restLength, jfloat radius, jobject tuning, jboolean frontWheel) {
         btRaycastVehicle* vehicle = (btRaycastVehicle*) vehicleId;
+        if (vehicle == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         btVector3 vec1 = btVector3();
         btVector3 vec2 = btVector3();
         btVector3 vec3 = btVector3();
@@ -120,6 +145,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_objects_PhysicsVehicle_resetSuspension
     (JNIEnv *env, jobject object, jlong vehicleId) {
         btRaycastVehicle* vehicle = (btRaycastVehicle*) vehicleId;
+        if (vehicle == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         vehicle->resetSuspension();
     }
 
@@ -131,6 +161,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_objects_PhysicsVehicle_applyEngineForce
     (JNIEnv *env, jobject object, jlong vehicleId, jint wheel, jfloat force) {
         btRaycastVehicle* vehicle = (btRaycastVehicle*) vehicleId;
+        if (vehicle == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         vehicle->applyEngineForce(force, wheel);
     }
 
@@ -142,6 +177,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_objects_PhysicsVehicle_steer
     (JNIEnv *env, jobject object, jlong vehicleId, jint wheel, jfloat value) {
         btRaycastVehicle* vehicle = (btRaycastVehicle*) vehicleId;
+        if (vehicle == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         vehicle->setSteeringValue(value, wheel);
     }
 
@@ -153,6 +193,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_objects_PhysicsVehicle_brake
     (JNIEnv *env, jobject object, jlong vehicleId, jint wheel, jfloat value) {
         btRaycastVehicle* vehicle = (btRaycastVehicle*) vehicleId;
+        if (vehicle == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         vehicle->setBrake(value, wheel);
     }
 
@@ -164,6 +209,11 @@ extern "C" {
     JNIEXPORT jfloat JNICALL Java_com_jme3_bullet_objects_PhysicsVehicle_getCurrentVehicleSpeedKmHour
     (JNIEnv *env, jobject object, jlong vehicleId) {
         btRaycastVehicle* vehicle = (btRaycastVehicle*) vehicleId;
+        if (vehicle == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         return vehicle->getCurrentSpeedKmHour();
     }
 
@@ -175,6 +225,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_objects_PhysicsVehicle_getForwardVector
     (JNIEnv *env, jobject object, jlong vehicleId, jobject out) {
         btRaycastVehicle* vehicle = (btRaycastVehicle*) vehicleId;
+        if (vehicle == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         jmeBulletUtil::convert(env, &vehicle->getForwardVector(), out);
     }
 
@@ -187,6 +242,11 @@ extern "C" {
     (JNIEnv *env, jobject object, jlong casterId, jlong vehicleId) {
         btVehicleRaycaster* rayCaster = (btVehicleRaycaster*) casterId;
         btRaycastVehicle* vehicle = (btRaycastVehicle*) vehicleId;
+        if (vehicle == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         delete(vehicle);
         delete(rayCaster);
     }

engine/src/bullet/native/com_jme3_bullet_objects_VehicleWheel.cpp

@@ -49,6 +49,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_objects_VehicleWheel_getWheelLocation
     (JNIEnv *env, jobject object, jlong wheelId, jobject out) {
         btWheelInfo* wheel = (btWheelInfo*) wheelId;
+        if (wheel == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         jmeBulletUtil::convert(env, &wheel->m_worldTransform.getOrigin(), out);
     }
 
@@ -60,6 +65,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_objects_VehicleWheel_getWheelRotation
     (JNIEnv *env, jobject object, jlong wheelId, jobject out) {
         btWheelInfo* wheel = (btWheelInfo*) wheelId;
+        if (wheel == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         jmeBulletUtil::convert(env, &wheel->m_worldTransform.getBasis(), out);
     }
 
@@ -92,6 +102,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_objects_VehicleWheel_getCollisionLocation
     (JNIEnv *env, jobject object, jlong wheelId, jobject out) {
         btWheelInfo* wheel = (btWheelInfo*) wheelId;
+        if (wheel == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         jmeBulletUtil::convert(env, &wheel->m_raycastInfo.m_contactPointWS, out);
     }
 
@@ -103,6 +118,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_objects_VehicleWheel_getCollisionNormal
     (JNIEnv *env, jobject object, jlong wheelId, jobject out) {
         btWheelInfo* wheel = (btWheelInfo*) wheelId;
+        if (wheel == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         jmeBulletUtil::convert(env, &wheel->m_raycastInfo.m_contactNormalWS, out);
     }
 
@@ -114,12 +134,22 @@ extern "C" {
     JNIEXPORT jfloat JNICALL Java_com_jme3_bullet_objects_VehicleWheel_getSkidInfo
     (JNIEnv *env, jobject object, jlong wheelId) {
         btWheelInfo* wheel = (btWheelInfo*) wheelId;
+        if (wheel == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return 0;
+        }
         return wheel->m_skidInfo;
     }
 
     JNIEXPORT void JNICALL Java_com_jme3_bullet_objects_VehicleWheel_finalizeNative
-      (JNIEnv *env, jobject object, jlong wheelId){
+    (JNIEnv *env, jobject object, jlong wheelId) {
         btWheelInfo* wheel = (btWheelInfo*) wheelId;
+        if (wheel == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         delete(wheel);
     }
 #ifdef __cplusplus

engine/src/bullet/native/com_jme3_bullet_objects_infos_RigidBodyMotionState.cpp

@@ -61,6 +61,11 @@ extern "C" {
     JNIEXPORT jboolean JNICALL Java_com_jme3_bullet_objects_infos_RigidBodyMotionState_applyTransform
     (JNIEnv *env, jobject object, jlong stateId, jobject location, jobject rotation) {
         jmeMotionState* motionState = (jmeMotionState*) stateId;
+        if (motionState == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return false;
+        }
         return motionState->applyTransform(env, location, rotation);
     }
 
@@ -72,6 +77,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_objects_infos_RigidBodyMotionState_getWorldLocation
     (JNIEnv *env, jobject object, jlong stateId, jobject value) {
         jmeMotionState* motionState = (jmeMotionState*) stateId;
+        if (motionState == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         jmeBulletUtil::convert(env, &motionState->worldTransform.getOrigin(), value);
     }
 
@@ -83,6 +93,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_objects_infos_RigidBodyMotionState_getWorldRotation
     (JNIEnv *env, jobject object, jlong stateId, jobject value) {
         jmeMotionState* motionState = (jmeMotionState*) stateId;
+        if (motionState == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         jmeBulletUtil::convert(env, &motionState->worldTransform.getBasis(), value);
     }
 
@@ -94,6 +109,11 @@ extern "C" {
     JNIEXPORT void JNICALL Java_com_jme3_bullet_objects_infos_RigidBodyMotionState_getWorldRotationQuat
     (JNIEnv *env, jobject object, jlong stateId, jobject value) {
         jmeMotionState* motionState = (jmeMotionState*) stateId;
+        if (motionState == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         jmeBulletUtil::convertQuat(env, &motionState->worldTransform.getBasis(), value);
     }
 
@@ -103,8 +123,13 @@ extern "C" {
      * Signature: (J)V
      */
     JNIEXPORT void JNICALL Java_com_jme3_bullet_objects_infos_RigidBodyMotionState_finalizeNative
-    (JNIEnv *env, jobject object, jlong stateId){
+    (JNIEnv *env, jobject object, jlong stateId) {
         jmeMotionState* motionState = (jmeMotionState*) stateId;
+        if (motionState == NULL) {
+            jclass newExc = env->FindClass("java/lang/NullPointerException");
+            env->ThrowNew(newExc, "The native object does not exist.");
+            return;
+        }
         delete(motionState);
     }