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implement setContactResponse(boolean) for PhysicsRigidBody (issue #964) (#966)

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Stephen Gold 2018-12-08 00:07:44 -08:00 committed by GitHub
parent f44fdb35e6
commit cf33c3c2dd
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7 changed files with 203 additions and 2 deletions
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38
jme3-bullet-native/src/native/cpp/com_jme3_bullet_collision_PhysicsCollisionObject.cpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2009-2012 jMonkeyEngine
* Copyright (c) 2009-2018 jMonkeyEngine
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -143,6 +143,42 @@ extern "C" {
}
}
/*
* Class: com_jme3_bullet_collision_PhysicsCollisionObject
* Method: getCollisionFlags
* Signature: (J)I
*/
JNIEXPORT jint JNICALL Java_com_jme3_bullet_collision_PhysicsCollisionObject_getCollisionFlags
(JNIEnv *env, jobject object, jlong objectId) {
btCollisionObject* collisionObject = reinterpret_cast<btCollisionObject*> (objectId);
if (collisionObject == NULL) {
jclass newExc = env->FindClass("java/lang/NullPointerException");
env->ThrowNew(newExc, "The native object does not exist.");
return 0;
}
jint result = collisionObject->getCollisionFlags();
return result;
}
/*
* Class: com_jme3_bullet_collision_PhysicsCollisionObject
* Method: setCollisionFlags
* Signature: (JI)V
*/
JNIEXPORT void JNICALL Java_com_jme3_bullet_collision_PhysicsCollisionObject_setCollisionFlags
(JNIEnv *env, jobject object, jlong objectId, jint desiredFlags) {
btCollisionObject* collisionObject = reinterpret_cast<btCollisionObject*> (objectId);
if (collisionObject == NULL) {
jclass newExc = env->FindClass("java/lang/NullPointerException");
env->ThrowNew(newExc, "The native object does not exist.");
return;
}
collisionObject->setCollisionFlags(desiredFlags);
}
#ifdef __cplusplus
}
#endif

1
jme3-bullet/src/common/java/com/jme3/bullet/control/RigidBodyControl.java
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@ -150,6 +150,7 @@ public class RigidBodyControl extends PhysicsRigidBody implements PhysicsControl
control.setCcdSweptSphereRadius(getCcdSweptSphereRadius());
control.setCollideWithGroups(getCollideWithGroups());
control.setCollisionGroup(getCollisionGroup());
control.setContactResponse(isContactResponse());
control.setDamping(getLinearDamping(), getAngularDamping());
control.setFriction(getFriction());
control.setGravity(getGravity());

1
jme3-bullet/src/common/java/com/jme3/bullet/control/VehicleControl.java
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@ -168,6 +168,7 @@ public class VehicleControl extends PhysicsVehicle implements PhysicsControl, Jm
control.setCcdSweptSphereRadius(getCcdSweptSphereRadius());
control.setCollideWithGroups(getCollideWithGroups());
control.setCollisionGroup(getCollisionGroup());
control.setContactResponse(isContactResponse());
control.setDamping(getLinearDamping(), getAngularDamping());
control.setFriction(getFriction());
control.setGravity(getGravity());

87
jme3-bullet/src/main/java/com/jme3/bullet/collision/CollisionFlag.java Normal file
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@ -0,0 +1,87 @@
/*
* 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 com.jme3.bullet.collision;
/**
* Named collision flags for a {@link PhysicsCollisionObject}. Values must agree
* with those in BulletCollision/CollisionDispatch/btCollisionObject.h
*
* @author Stephen Gold sgold@sonic.net
* @see PhysicsCollisionObject#getCollisionFlags(long)
*/
public class CollisionFlag {
/**
* flag for a static object
*/
final public static int STATIC_OBJECT = 0x1;
/**
* flag for a kinematic object
*/
final public static int KINEMATIC_OBJECT = 0x2;
/**
* flag for an object with no contact response, such as a PhysicsGhostObject
*/
final public static int NO_CONTACT_RESPONSE = 0x4;
/**
* flag to enable a custom material callback for per-triangle
* friction/restitution (not used by JME)
*/
final public static int CUSTOM_MATERIAL_CALLBACK = 0x8;
/**
* flag for a character object, such as a PhysicsCharacter
*/
final public static int CHARACTER_OBJECT = 0x10;
/**
* flag to disable debug visualization (not used by JME)
*/
final public static int DISABLE_VISUALIZE_OBJECT = 0x20;
/**
* flag to disable parallel/SPU processing (not used by JME)
*/
final public static int DISABLE_SPU_COLLISION_PROCESSING = 0x40;
/**
* flag not used by JME
*/
final public static int HAS_CONTACT_STIFFNESS_DAMPING = 0x80;
/**
* flag not used by JME
*/
final public static int HAS_CUSTOM_DEBUG_RENDERING_COLOR = 0x100;
/**
* flag not used by JME
*/
final public static int HAS_FRICTION_ANCHOR = 0x200;
/**
* flag not used by JME
*/
final public static int HAS_COLLISION_SOUND_TRIGGER = 0x400;
}

29
jme3-bullet/src/main/java/com/jme3/bullet/collision/PhysicsCollisionObject.java
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@ -254,6 +254,17 @@ public abstract class PhysicsCollisionObject implements Savable {
return userObject;
}
/**
* Test whether this object responds to contact with other objects.
*
* @return true if responsive, otherwise false
*/
public boolean isContactResponse() {
int flags = getCollisionFlags(objectId);
boolean result = (flags & CollisionFlag.NO_CONTACT_RESPONSE) == 0x0;
return result;
}
/**
* Associate a user object (such as a Spatial) with this collision object.
*
@ -314,6 +325,24 @@ public abstract class PhysicsCollisionObject implements Savable {
collisionShape = shape;
}
/**
* Read the collision flags of this object. Subclasses are responsible for
* cloning/reading/writing these flags.
*
* @param objectId the ID of the btCollisionObject (not zero)
* @return the collision flags (bit mask)
*/
native protected int getCollisionFlags(long objectId);
/**
* Alter the collision flags of this object. Subclasses are responsible for
* cloning/reading/writing these flags.
*
* @param objectId the ID of the btCollisionObject (not zero)
* @param desiredFlags the desired collision flags (bit mask)
*/
native protected void setCollisionFlags(long objectId, int desiredFlags);
/**
* Finalize this collision object just before it is destroyed. Should be
* invoked only by a subclass or by the garbage collector.

26
jme3-bullet/src/main/java/com/jme3/bullet/objects/PhysicsRigidBody.java
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@ -32,6 +32,7 @@
package com.jme3.bullet.objects;
import com.jme3.bullet.PhysicsSpace;
import com.jme3.bullet.collision.CollisionFlag;
import com.jme3.bullet.collision.PhysicsCollisionObject;
import com.jme3.bullet.collision.shapes.CollisionShape;
import com.jme3.bullet.collision.shapes.MeshCollisionShape;
@ -57,6 +58,11 @@ import java.util.logging.Logger;
*/
public class PhysicsRigidBody extends PhysicsCollisionObject {
/**
* copy of the contact response state: true&rarr;responds to contacts,
* false&rarr;doesn't respond (default=true)
*/
private boolean contactResponseState = true;
/**
* motion state
*/
@ -370,6 +376,24 @@ public class PhysicsRigidBody extends PhysicsCollisionObject {
return kinematic;
}
/**
* Enable/disable this body's contact response.
*
* @param responsive true to respond to contacts, false to ignore them
* (default=true)
*/
public void setContactResponse(boolean responsive) {
int flags = getCollisionFlags(objectId);
if (responsive) {
flags &= ~CollisionFlag.NO_CONTACT_RESPONSE;
} else {
flags |= CollisionFlag.NO_CONTACT_RESPONSE;
}
setCollisionFlags(objectId, flags);
contactResponseState = responsive;
}
/**
* Alter the radius of the swept sphere used for continuous collision
* detection (CCD).
@ -993,6 +1017,7 @@ public class PhysicsRigidBody extends PhysicsCollisionObject {
capsule.write(getMass(), "mass", 1.0f);
capsule.write(getGravity(), "gravity", Vector3f.ZERO);
capsule.write(isContactResponse(), "contactResponse", true);
capsule.write(getFriction(), "friction", 0.5f);
capsule.write(getRestitution(), "restitution", 0);
Vector3f angularFactor = getAngularFactor(null);
@ -1033,6 +1058,7 @@ public class PhysicsRigidBody extends PhysicsCollisionObject {
this.mass = mass;
rebuildRigidBody();
setGravity((Vector3f) capsule.readSavable("gravity", Vector3f.ZERO.clone()));
setContactResponse(capsule.readBoolean("contactResponse", true));
setFriction(capsule.readFloat("friction", 0.5f));
setKinematic(capsule.readBoolean("kinematic", false));

23
jme3-jbullet/src/main/java/com/jme3/bullet/objects/PhysicsRigidBody.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2009-2012 jMonkeyEngine
* Copyright (c) 2009-2018 jMonkeyEngine
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -276,6 +276,26 @@ public class PhysicsRigidBody extends PhysicsCollisionObject {
return kinematic;
}
/**
* Enable/disable this body's contact response.
*
* @param newState true to respond to contacts (default=true)
*/
public void setContactResponse(boolean newState) {
if (!newState) {
throw new UnsupportedOperationException("Not implemented.");
}
}
/**
* Test whether this body responds to contacts.
*
* @return true if responsive, otherwise false
*/
public boolean isContactResponse() {
return true;
}
public void setCcdSweptSphereRadius(float radius) {
rBody.setCcdSweptSphereRadius(radius);
}
@ -650,6 +670,7 @@ public class PhysicsRigidBody extends PhysicsCollisionObject {
this.mass = mass;
rebuildRigidBody();
setGravity((Vector3f) capsule.readSavable("gravity", Vector3f.ZERO.clone()));
setContactResponse(capsule.readBoolean("contactResponse", true));
setFriction(capsule.readFloat("friction", 0.5f));
setKinematic(capsule.readBoolean("kinematic", false));