source: code/branches/main_reto_vs05/src/orxonox_scene.cc @ 159

/*
 *   ORXONOX - the hottest 3D action shooter ever to exist
 *
 *
 *   License notice:
 *
 *   This program is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation, either version 3 of the License, or
 *   (at your option) any later version.
 *
 *   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
 *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 *
 *   Author:
 *      Reto Grieder
 *   Co-authors:
 *      ...
 *
 */

/**
* The orxonox scene includes everything running in the background like terrain,
* static figures, dangling lamp, etc.
*/


#include "orxonox_scene.h"


/**
* Empty Consructor except the initialiser list.
* @param sceneMgr The Scene Manager.
*/
OrxonoxScene::OrxonoxScene(SceneManager *sceneMgr) : sceneMgr_(sceneMgr)
{
}

/**
* Empty Destructor.
*/
OrxonoxScene::~OrxonoxScene()
{
}

/**
* Ogre initialisation method.
* This function is called by the Run Manager to load the neccessary recources
* and to create the scene.
* @return False if failed.
*/
bool OrxonoxScene::initialise()
{
        // Load resources
        loadResources();

        distance_ = 0;
        radius_ = 100;

        createScene();

        return true;
}


/**
* Resource loader.
* Currently, this method loads everything! TODO: If done this ugly, it should
* at least be in the Run Manager.
*/
void OrxonoxScene::loadResources()
{
        // Initialise, parse scripts etc
        ResourceGroupManager::getSingleton().initialiseAllResourceGroups();
}


/**
* Scene creation.
* Currently just a test scene with an ogre head an a surrounding light.
*/
void OrxonoxScene::createScene()
{
        sceneMgr_->setAmbientLight(ColourValue(0.3,0.3,0.3));

        //create first entity
        Entity *head = sceneMgr_->createEntity("head", "ogrehead.mesh");

        //create a scene node to attach the head to
        SceneNode *node = sceneMgr_->getRootSceneNode()
        ->createChildSceneNode("OgreHeadNode", Vector3(0,0,0));
        //attach the ogre head
        node->attachObject(head);

        // set up skybox
        sceneMgr_->setSkyBox(true, "Examples/SceneSkyBox2");

        // set up one light_ source
        light_ = sceneMgr_->createLight("Light1");
        light_->setType(Light::LT_POINT);
        light_->setPosition(Vector3(0, 0, 0));
        light_->setDiffuseColour(1.0, 1.0, 1.0);
        light_->setSpecularColour(1.0, 1.0, 1.0);

        //create billboard
        bbs_ = sceneMgr_->createBillboardSet("bb", 1);
        bbs_->createBillboard(Vector3::ZERO, ColourValue(1.0, 1.0, 1.0));
        bbs_->setMaterialName("Examples/Flare");

        lightNode_ = sceneMgr_->getRootSceneNode()
        ->createChildSceneNode("lightNode_", Vector3(0, 100, 0));

        lightNode_->attachObject(bbs_);
        lightNode_->attachObject(light_);
}


/**
* Compute something between frames if neccessary.
* @param time Absolute time.
* @param deltaTime Relative time.
* @return Return true to continue rendering.
*/
bool OrxonoxScene::tick(unsigned long time, Real deltaTime)
{
        Real t = time/1000.0;

        lightNode_->setPosition(radius_*sin(5*t), radius_*cos(5*t), sin(1*t)*distance_);
        
        light_->setDiffuseColour(sin(1*t), sin(1*t + 2.09), sin(1*t + 2.09*2));
        light_->setSpecularColour(sin(1*t), sin(1*t + 2.09), sin(1*t + 2.09*2));

        bbs_->getBillboard(0)->setColour(ColourValue(sin(1*t),
        sin(1*t + 2.09), sin(1*t + 2.09*2)));
  
  return true;
}