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Bullet implementation for the physics module.
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//        This file is part of the Yildiz-Online project, licenced under the MIT License
//        (MIT)
//
//        Copyright (c) 2016 Grégory Van den Borre
//
//        More infos available: http://yildiz.bitbucket.org
//
//        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 be.yildiz.module.physics.bullet;

import be.yildiz.common.nativeresources.NativePointer;
import be.yildiz.module.physics.GhostObject;
import be.yildiz.module.physics.PhysicObjectBuilder;
import jni.BulletWorldNative;

/**
 * @author Grégory Van den Borre
 */
public class BulletPhysicObjectBuilder extends PhysicObjectBuilder {

    private final BulletShapeProvider provider;

    private final NativePointer worldPointer;

    private BulletWorldNative worldNative = new BulletWorldNative();

    public BulletPhysicObjectBuilder(BulletShapeProvider provider, NativePointer worldPointer) {
        this.provider = provider;
        this.worldPointer = worldPointer;
    }

    @Override
    public BulletStaticBody buildStatic() {
        final long bodyAddress = this.worldNative.createStaticBody(this.worldPointer.address, this.getShapePointer().address, id.value, position.x, position.y, position.z, direction.x, direction.y, direction.z);
        return new BulletStaticBody(NativePointer.create(bodyAddress), this.worldPointer, position, direction, id);
    }

    @Override
    public BulletKinematicBody buildKinematic() {
        final long bodyAddress = this.worldNative.createKinematicBody(this.worldPointer.address, this.getShapePointer().address, id.value, position.x, position.y, position.z);
        return new BulletKinematicBody(NativePointer.create(bodyAddress), this.worldPointer, id);
    }

    @Override
    public BulletDynamicBody buildDynamic() {
        final long bodyAddress = this.worldNative.createDynamicBody(this.worldPointer.address, this.getShapePointer().address, id.value, position.x, position.y, position.z, mass);
        return new BulletDynamicBody(NativePointer.create(bodyAddress), this.worldPointer, id, mass);
    }

    @Override
    public GhostObject buildGhost() {
        final long ghostAddress = this.worldNative.createGhostObject(this.worldPointer.address, this.getShapePointer().address, id.value, position.x, position.y, position.z);
        return new BulletGhostObject(id, NativePointer.create(ghostAddress), this.worldPointer, position);
    }


    private NativePointer getShapePointer() {
        if(this.box != null) {
            return this.provider.getShape(this.box);
        } else if(this.sphere != null) {
            return this.provider.getShape(sphere);
        } else if (this.mesh != null) {
            return this.provider.getShape(this.mesh);
        }
        throw new NullPointerException("No shape has been defined.");
    }
}