components/nifbullet/bulletnifloader.hpp

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/*
  OpenMW - The completely unofficial reimplementation of Morrowind
  Copyright (C) 2008-2010  Nicolay Korslund
  Email: < korslund@gmail.com >
  WWW: http://openmw.sourceforge.net/

  This file (ogre_nif_loader.h) is part of the OpenMW package.

  OpenMW is distributed as free software: you can redistribute it
  and/or modify it under the terms of the GNU General Public License
  version 3, as published by the Free Software Foundation.

  This program is distributed in the hope that it will be useful, but
  WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  General Public License for more details.

  You should have received a copy of the GNU General Public License
  version 3 along with this program. If not, see
  http://www.gnu.org/licenses/ .

 */

#ifndef OPENMW_COMPONENTS_NIFBULLET_BULLETNIFLOADER_HPP
#define OPENMW_COMPONENTS_NIFBULLET_BULLETNIFLOADER_HPP

#include <cassert>
#include <string>
#include <BulletCollision/CollisionShapes/btBvhTriangleMeshShape.h>
#include <BulletCollision/CollisionShapes/btConvexTriangleMeshShape.h>
#include <btBulletDynamicsCommon.h>
#include <openengine/bullet/BulletShapeLoader.h>

// For warning messages
#include <iostream>

namespace Nif
{
    class Node;
    class Transformation;
    class NiTriShape;
}

namespace NifBullet
{

class ManualBulletShapeLoader : public OEngine::Physic::BulletShapeLoader
{
public:
    ManualBulletShapeLoader()
      : mShape(NULL)
      , mBoundingBox(NULL)
      , mHasShape(false)
    {
    }

    virtual ~ManualBulletShapeLoader();

    void warn(const std::string &msg)
    {
        std::cerr << "NIFLoader: Warn:" << msg << "\n";
    }

    void fail(const std::string &msg)
    {
        std::cerr << "NIFLoader: Fail: "<< msg << std::endl;
        abort();
    }

    void loadResource(Ogre::Resource *resource);

    void load(const std::string &name,const std::string &group);

private:
    btVector3 getbtVector(Ogre::Vector3 const &v);

    void handleNode(btTriangleMesh* mesh, Nif::Node const *node, int flags, bool isCollisionNode, bool raycasting, bool isMarker);

    bool hasRootCollisionNode(const Nif::Node *node);

    void handleNiTriShape(btTriangleMesh* mesh, const Nif::NiTriShape *shape, int flags, const Ogre::Matrix4 &transform, bool raycasting);

    std::string mResourceName;

    OEngine::Physic::BulletShape* mShape;//current shape
    btBoxShape *mBoundingBox;

    bool mHasShape;
};

}

#endif