Irrlicht Engine

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//Loads a .bsp
#include<stdlib.h>
#include <irrlicht.h>
#include <windows.h>

#pragma comment (lib,"Irrlicht.lib")

using namespace irr;
using namespace scene;
using namespace gui;
using namespace video;
using namespace core;



void Shoot(void);




class EventReciever:public IEventReceiver
{
public:
	virtual bool OnEvent(SEvent Event)
	{
		if(Event.KeyInput.Key==KEY_ESCAPE)
		{
			PostQuitMessage(0);
		}

		if(Event.KeyInput.Key==KEY_SPACE)
		{
			Shoot();
		}


		
		return false;
	}
};

EventReciever reciever;
IrrlichtDevice *Device=createDevice(EDT_OPENGL,dimension2d<s32>(480,640),16,false,false,&reciever);

IVideoDriver* Driver=Device->getVideoDriver();
ISceneManager* Smgr=Device->getSceneManager();
ICameraSceneNode* camPlayer=Smgr->addCameraSceneNodeFPS();
ITriangleSelector* tsrSelector;
int main()
{
	

	Device->getFileSystem()->addZipFileArchive("../../media/map-20kdm2.pk3");

	IAnimatedMesh* mshLevel=Smgr->getMesh("20kdm2.bsp");
	ISceneNode* nodLevel=0;
	nodLevel=Smgr->addOctTreeSceneNode(mshLevel->getMesh(0));

	

	tsrSelector=Smgr->createOctTreeTriangleSelector(mshLevel->getMesh(0),nodLevel);

	nodLevel->setPosition(vector3df(-1370,-130,-1400));

	nodLevel->setTriangleSelector(tsrSelector);
	tsrSelector->drop();

	nodLevel->setMaterialFlag(EMF_LIGHTING,true);

	
	ISceneNodeAnimator* anmAnim=Smgr->createCollisionResponseAnimator(tsrSelector,camPlayer);

	camPlayer->addAnimator(anmAnim);
	anmAnim->drop();
	
	
	
	while(Device->run())
	{
		Driver->beginScene(true,true,SColor(100,100,100,100));

		Smgr->drawAll();

		
		

	

		Driver->endScene();


	}

	Device->drop();

	return 0;

	
}

void Shoot(void)
{	
	vector3df start=camPlayer->getPosition();
	vector3df end=(camPlayer->getTarget() - start);
	end.normalize();
	end=start+(end*camPlayer->getFarValue());
	triangle3df triTriangle;
	line3d<f32> line(start,end);

	ISceneNode* nodBullet;
	nodBullet=Smgr->addBillboardSceneNode(0,dimension2d<f32>(25,25),start);
	nodBullet->setMaterialTexture(0,Device->getVideoDriver()->getTexture("..\\..\\media\\particle.bmp"));
	nodBullet->setMaterialType(EMT_TRANSPARENT_ADD_COLOR);

	if(Smgr->getSceneCollisionManager()->getCollisionPoint(line,tsrSelector,end,triTriangle))
	{
		ISceneNodeAnimator* anmBullet=0;
		anmBullet=Smgr->createFlyStraightAnimator(start,end,2000);
		nodBullet->addAnimator(anmBullet);
		anmBullet->drop();
		anmBullet=Smgr->createDeleteAnimator(2000);
		nodBullet->addAnimator(anmBullet);
		anmBullet->drop();
	}
}