#include "OrxonoxScene.h"


OrxonoxScene::OrxonoxScene(SceneManager *mSceneMgr) : mSceneMgr(mSceneMgr)
{
}


OrxonoxScene::~OrxonoxScene()
{
}


bool OrxonoxScene::initialise()
{
	// Load resources
	loadResources();

	distance = 0;
	radius = 100;

	createScene();

	return true;
}


/// method where you can perform resource group loading
/// Must at least do ResourceGroupManager::getSingleton().initialiseAllResourceGroups();
void OrxonoxScene::loadResources(void)
{
	// Initialise, parse scripts etc
	ResourceGroupManager::getSingleton().initialiseAllResourceGroups();
}


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

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

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

	// set up skybox
	mSceneMgr->setSkyBox(true, "Examples/SpaceSkyBox");

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

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

	lightNode = mSceneMgr->getRootSceneNode()->createChildSceneNode("LightNode",
		Vector3(0, 100, 0));

	lightNode->attachObject(bbs);
	lightNode->attachObject(mLight);
}


// compute something between frames if neccessary
void OrxonoxScene::tick(unsigned long time, float deltaTime)
{
	float t = time/1000.0;

	lightNode->setPosition(radius*sin(5*t), radius*cos(5*t), sin(1*t)*distance);
	
	mLight->setDiffuseColour(sin(1*t), sin(1*t + 2.09), sin(1*t + 2.09*2));
	mLight->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)));
}