tests and fixes for issues #918 and #919

jme3-bullet-native/src/native/cpp/com_jme3_bullet_joints_Point2PointJoint.cpp

@@ -117,7 +117,7 @@ extern "C" {
             env->ThrowNew(newExc, "The native object does not exist.");
             return 0;
         }
-        return joint->m_setting.m_damping;
+        return joint->m_setting.m_impulseClamp;
     }
 
     /*
@@ -133,7 +133,7 @@ extern "C" {
             env->ThrowNew(newExc, "The native object does not exist.");
             return 0;
         }
-        return joint->m_setting.m_damping;
+        return joint->m_setting.m_tau;
     }
 
     /*

jme3-bullet-native/src/native/cpp/com_jme3_bullet_joints_motors_TranslationalLimitMotor.cpp

@@ -141,7 +141,7 @@ extern "C" {
      * Method:    getLimitSoftness
      * Signature: (J)F
      */
-    JNIEXPORT jfloat JNICALL Java_com_jme3_bullet_joints_motors_TranslationalLimitMotor_getLetLimitSoftness
+    JNIEXPORT jfloat JNICALL Java_com_jme3_bullet_joints_motors_TranslationalLimitMotor_getLimitSoftness
     (JNIEnv *env, jobject object, jlong motorId) {
         btTranslationalLimitMotor* motor = reinterpret_cast<btTranslationalLimitMotor*> (motorId);
         if (motor == NULL) {

jme3-examples/src/main/java/jme3test/bullet/TestIssue918.java

@@ -0,0 +1,81 @@
+/*
+ * Copyright (c) 2018 jMonkeyEngine
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ *
+ * * Neither the name of 'jMonkeyEngine' nor the names of its contributors
+ *   may be used to endorse or promote products derived from this software
+ *   without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package jme3test.bullet;
+
+import com.jme3.app.SimpleApplication;
+import com.jme3.bullet.collision.shapes.CollisionShape;
+import com.jme3.bullet.collision.shapes.SphereCollisionShape;
+import com.jme3.bullet.joints.Point2PointJoint;
+import com.jme3.bullet.objects.PhysicsRigidBody;
+import com.jme3.math.Vector3f;
+
+/**
+ * Test case for JME issue #918: Point2PointJoint.getImpulseClamp() and
+ * .getTau() return the damping value instead. The bug existed in Native Bullet
+ * only.
+ * <p>
+ * If successful, no UnsatisfiedLinkError exception will be thrown.
+ */
+public class TestIssue918 extends SimpleApplication {
+    // *************************************************************************
+    // new methods exposed
+
+    public static void main(String[] args) {
+        TestIssue918 app = new TestIssue918();
+        app.start();
+    }
+    // *************************************************************************
+    // SimpleApplication methods
+
+    @Override
+    public void simpleInitApp() {
+        CollisionShape capsule = new SphereCollisionShape(1f);
+        PhysicsRigidBody body1 = new PhysicsRigidBody(capsule, 1f);
+        PhysicsRigidBody body2 = new PhysicsRigidBody(capsule, 1f);
+        Vector3f pivot1 = new Vector3f();
+        Vector3f pivot2 = new Vector3f();
+        Point2PointJoint joint
+                = new Point2PointJoint(body1, body2, pivot1, pivot2);
+
+        joint.setImpulseClamp(42f);
+        joint.setTau(99f);
+
+        if (joint.getImpulseClamp() != 42f) {
+            throw new RuntimeException();
+        }
+        if (joint.getTau() != 99f) {
+            throw new RuntimeException();
+        }
+
+        stop();
+    }
+}

jme3-examples/src/main/java/jme3test/bullet/TestIssue919.java

@@ -0,0 +1,72 @@
+/*
+ * Copyright (c) 2018 jMonkeyEngine
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ *
+ * * Neither the name of 'jMonkeyEngine' nor the names of its contributors
+ *   may be used to endorse or promote products derived from this software
+ *   without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package jme3test.bullet;
+
+import com.jme3.app.SimpleApplication;
+import com.jme3.bullet.collision.shapes.CollisionShape;
+import com.jme3.bullet.collision.shapes.SphereCollisionShape;
+import com.jme3.bullet.joints.SixDofJoint;
+import com.jme3.bullet.objects.PhysicsRigidBody;
+import com.jme3.math.Vector3f;
+
+/**
+ * Test case for JME issue #919: native implementation of
+ * TranslationalLimitMotor.getLimitSoftness() has wrong name. The bug existed in
+ * Native Bullet only.
+ * <p>
+ * If successful, no UnsatisfiedLinkError exception will be thrown.
+ */
+public class TestIssue919 extends SimpleApplication {
+    // *************************************************************************
+    // new methods exposed
+
+    public static void main(String[] args) {
+        TestIssue919 app = new TestIssue919();
+        app.start();
+    }
+    // *************************************************************************
+    // SimpleApplication methods
+
+    @Override
+    public void simpleInitApp() {
+        CollisionShape capsule = new SphereCollisionShape(1f);
+        PhysicsRigidBody body1 = new PhysicsRigidBody(capsule, 1f);
+        PhysicsRigidBody body2 = new PhysicsRigidBody(capsule, 1f);
+        Vector3f pivot1 = new Vector3f();
+        Vector3f pivot2 = new Vector3f();
+        SixDofJoint joint = new SixDofJoint(body1, body2, pivot1, pivot2, true);
+
+        joint.getTranslationalLimitMotor().getLimitSoftness();
+
+        stop();
+    }
+}