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a JNI interface to Jolt Physics
/*
Copyright (c) 2024 Stephen Gold
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/
package com.github.stephengold.joltjni;
import com.github.stephengold.joltjni.readonly.ConstCharacterBaseSettings;
import com.github.stephengold.joltjni.readonly.ConstPlane;
import com.github.stephengold.joltjni.readonly.ConstShape;
import com.github.stephengold.joltjni.readonly.Vec3Arg;
/**
* Settings used to create a {@code CharacterBase}.
*
* @author Stephen Gold [email protected]
*/
public class CharacterBaseSettings
extends JoltPhysicsObject
implements ConstCharacterBaseSettings {
// *************************************************************************
// constructors
/**
* Instantiate settings with no native object assigned.
*/
protected CharacterBaseSettings() {
}
/**
* Instantiate settings with the specified native object assigned but not
* owned.
*
* @param settingsVa the virtual address of the native object to assign (not
* zero)
*/
protected CharacterBaseSettings(long settingsVa) {
super(settingsVa);
}
// *************************************************************************
// new methods exposed
/**
* Alter whether to make an extra effort to remove contacts with internal
* edges. (native field: mEnhancedInternalEdgeRemoval)
*
* @param remove true to remove ghost contacts (default=false)
*/
public void setEnhancedInternalEdgeRemoval(boolean remove) {
long settingsVa = va();
setEnhancedInternalEdgeRemoval(settingsVa, remove);
}
/**
* Alter the maximum slope on which the character can walk. (native field:
* mMaxSlopeAngle)
*
* @param angle (in radians, default=5*Pi/18)
*/
public void setMaxSlopeAngle(float angle) {
long settingsVa = va();
setMaxSlopeAngle(settingsVa, angle);
}
/**
* Replace the shape. (native field: mShape)
*
* @param shape the desired shape (not null, unaffected)
*/
public void setShape(ConstShape shape) {
long settingsVa = va();
long shapeVa = shape.va();
setShape(settingsVa, shapeVa);
}
/**
* Replace the shape. (native field: mShape)
*
* @param shapeRef a reference to the desired shape (not null)
*/
public void setShape(ShapeRefC shapeRef) {
ConstShape shape = shapeRef.getPtr();
setShape(shape);
}
/**
* Alter the supporting volume. (native field: mSupportingVolume)
*
* @param plane (not null, default={(0,1,0),-1e10})
*/
public void setSupportingVolume(ConstPlane plane) {
long settingsVa = va();
float nx = plane.getNormalX();
float ny = plane.getNormalY();
float nz = plane.getNormalZ();
float c = plane.getConstant();
setSupportingVolume(settingsVa, nx, ny, nz, c);
}
/**
* Alter the character's "up" direction. (native field: mUp)
*
* @param direction the desired direction (not null, unaffected,
* default=(0,1,0))
*/
public void setUp(Vec3Arg direction) {
long settingsVa = va();
float dx = direction.getX();
float dy = direction.getY();
float dz = direction.getZ();
setUp(settingsVa, dx, dy, dz);
}
// *************************************************************************
// ConstCharacterBaseSettings methods
/**
* Test whether to make an extra effort to remove contacts with internal
* edges. The settings are unaffected. (native field:
* mEnhancedInternalEdgeRemoval)
*
* @return true to remove ghost contacts, otherwise false
*/
@Override
public boolean getEnhancedInternalEdgeRemoval() {
long settingsVa = va();
boolean result = getEnhancedInternalEdgeRemoval(settingsVa);
return result;
}
/**
* Return the maximum slope on which the character can walk. (native field:
* mMaxSlopeAngle)
*
* @return the angle (in radians)
*/
@Override
public float getMaxSlopeAngle() {
long settingsVa = va();
float result = getMaxSlopeAngle(settingsVa);
return result;
}
/**
* Acquire read-only access to the {@code Shape}. The settings are
* unaffected. (native field: mShape)
*
* @return a new JVM object with the pre-existing native object assigned, or
* {@code null}
*/
@Override
public ConstShape getShape() {
long bodySettingsVa = va();
long shapeSettingsVa = getShape(bodySettingsVa);
ConstShape result = Shape.newShape(shapeSettingsVa);
return result;
}
/**
* Return the supporting volume. The settings are unaffected. (native field:
* mSupportingVolume)
*
* @return a new JVM object with the pre-existing native object assigned
*/
@Override
public Plane getSupportingVolume() {
long settingsVa = va();
float c = getSupportingVolumeC(settingsVa);
float nx = getSupportingVolumeNx(settingsVa);
float ny = getSupportingVolumeNy(settingsVa);
float nz = getSupportingVolumeNz(settingsVa);
Plane result = new Plane(c, nx, ny, nz);
return result;
}
/**
* Return the character's "up" direction. The settings are unaffected.
* (native field: mUp)
*
* @return a new direction vector (in system coordinates)
*/
@Override
public Vec3 getUp() {
long settingsVa = va();
float dx = getUpX(settingsVa);
float dy = getUpY(settingsVa);
float dz = getUpZ(settingsVa);
Vec3 result = new Vec3(dx, dy, dz);
return result;
}
// *************************************************************************
// native private methods
native private static boolean getEnhancedInternalEdgeRemoval(
long settingsVa);
native private static float getMaxSlopeAngle(long settingsVa);
native private static long getShape(long settingsVa);
native private static float getSupportingVolumeC(long settingsVa);
native private static float getSupportingVolumeNx(long settingsVa);
native private static float getSupportingVolumeNy(long settingsVa);
native private static float getSupportingVolumeNz(long settingsVa);
native private static float getUpX(long settingsVa);
native private static float getUpY(long settingsVa);
native private static float getUpZ(long settingsVa);
native private static void setEnhancedInternalEdgeRemoval(
long settingsVa, boolean remove);
native private static void setMaxSlopeAngle(long settingsVa, float angle);
native private static void setShape(long settingsVa, long shapeVa);
native private static void setSupportingVolume(
long settingsVa, float nx, float ny, float nz, float c);
native private static void setUp(
long settingsVa, float dx, float dy, float dz);
}
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