#import <UIKit/UIKit.h>

@interface WWSIrrlichtView : UIView {
    CADisplayLink *m_DisplayLink;
    IrrlichtDevice *m_Device;
}

-(id)initIrrlichtView;

-(void)closeView;

@end

#import "WWSIrrlichtView.h"

@implementation WWSIrrlichtView

-(id)initIrrlichtView {
    [self init];
   
    SIrrlichtCreationParameters params;
    params.DriverType   = video::EDT_OGLES1;
    params.WindowSize   = core::dimension2d<u32>(320, 480);
    params.WindowId     = self;
    params.Bits         = 32;
    m_Device = createDeviceEx((const SIrrlichtCreationParameters) params);
   
    if (!m_Device) {
        return 0;
    }
   
    NSString *oBunPath = [[NSBundle mainBundle] bundlePath];
    m_Device->getFileSystem()->changeWorkingDirectoryTo([oBunPath cStringUsingEncoding:NSASCIIStringEncoding]);
   
    ISceneManager *smgr = m_Device->getSceneManager();
    IVideoDriver *driver = m_Device->getVideoDriver();
   
    IAnimatedMesh *mesh = smgr->getMesh("Ressources/media/sydney.md2");
    if (!mesh) {
        NSLog(@"Konnte Mesh nicht laden!");
        return 0;
    }
   
    IAnimatedMeshSceneNode *node = smgr->addAnimatedMeshSceneNode(mesh);
    if (node) {
        node->setMaterialFlag(EMF_LIGHTING, false);
        node->setMD2Animation(scene::EMAT_STAND);
        ITexture *pTex = driver->getTexture("Ressources/media/sydney256x256.bmp");
        if (!pTex) {
            NSLog(@"Konnte Textur nicht laden!");
            return 0;
        }
        node->setMaterialTexture(0, pTex);
    }
    smgr->addCameraSceneNode(0, vector3df(0,30,-40), vector3df(0,5,0));
   
    m_DisplayLink = [[UIScreen mainScreen] displayLinkWithTarget:self selector:@selector(updateDisplay)];
    [m_DisplayLink addToRunLoop:[NSRunLoop currentRunLoop] forMode:NSRunLoopCommonModes];

    return self;
}

-(void)updateDisplay {
    m_Device->run();
   
    m_Device->getVideoDriver()->beginScene(true, true, SColor(0,0,101,140));
    m_Device->getSceneManager()->drawAll();
    m_Device->getVideoDriver()->endScene();
}

-(void)closeView {
    if (m_DisplayLink != nil) {
        [m_DisplayLink invalidate];
    }
   
    if (m_Device != nil) {
        m_Device->drop();
    }
}