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jMonkeyEngine is a 3D game engine for adventurous Java developers

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/*
 * Copyright (c) 2009-2012 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.
 */

/**
 * Author: Normen Hansen
 */
#include "com_jme3_bullet_collision_shapes_HullCollisionShape.h"
#include "jmeBulletUtil.h"
#include "BulletCollision/CollisionShapes/btConvexHullShape.h"

#ifdef __cplusplus
extern "C" {
#endif

    /*
     * Class:     com_jme3_bullet_collision_shapes_HullCollisionShape
     * Method:    createShape
     * Signature: ([F)J
     */
    JNIEXPORT jlong JNICALL Java_com_jme3_bullet_collision_shapes_HullCollisionShape_createShape
    (JNIEnv *env, jobject object, jobject array) {
        jmeClasses::initJavaClasses(env);
        float* data = (float*) env->GetDirectBufferAddress(array);
        //TODO: capacity will not always be length!
        int length = env->GetDirectBufferCapacity(array)/4;
        btConvexHullShape* shape = new btConvexHullShape();
        for (int i = 0; i < length; i+=3) {
            btVector3 vect = btVector3(data[i],
                    data[i + 1],
                    data[i + 2]);
            
            shape->addPoint(vect);
        }

        return reinterpret_cast(shape);
    }

#ifdef __cplusplus
}
#endif