/////////////////////////////////////////////////////////////////////
//
// D3dView.cpp: implementation of the CD3dView class.
//
// kishan@hackorama.com  http://www.hackorama.com 
//
// Mon Nov  1 19:17:26 PST 1999
//
//////////////////////////////////////////////////////////////////////

//standard headers
#include "stdafx.h"
#include "D3dView.h"

//INCLUDE YOUR APPLICATION HEADER FILE HERE
//FOR EXAMPLE IF YOUR APPLICATIO WAS CALLED NEO
#include "neo.h"



#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[]=__FILE__;
#define new DEBUG_NEW
#endif

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////

CD3dView::CD3dView()
{

}

CD3dView::~CD3dView()
{

}


BOOL CD3dView::SetupDirect3DRetainedMode(HWND hWnd)
{
	
	//Fire up D3D
	if(Direct3DRMCreate(&pMyD3DRetaindMode)!=D3DRM_OK){
		TRACE("MyD3DView::FAILED TO CREATE DIRECT3D RM \n");
		return FALSE;
	}
	
	//Create D3D Scene
	if(pMyD3DRetaindMode->CreateFrame(NULL,&pMyScene)!=D3DRM_OK){
		TRACE("MyD3DView::FAILED TO CREATE SCENE FRAME\n");
    	return FALSE;	
	}

	//Create a root frame under Scene ( this is the global coordinate system )
    	if(pMyD3DRetaindMode->CreateFrame(pMyScene,&pMyRootFrame)!=D3DRM_OK){
		TRACE("MyD3DView::FAILED TO CREATE ROOT FRAME\n");
    	return FALSE;	
	}

	//Create a camera under scene
	if(pMyD3DRetaindMode->CreateFrame(pMyScene,&pMyCamera)!=D3DRM_OK){
		TRACE("MyD3DView::FAILED TO CREATE CAMERA FRAME\n");
    	return FALSE;	
	}
    
	//Position the camera in the scene ( initially at 20 units away from origin )
	if( pMyCamera->AddTranslation(D3DRMCOMBINE_REPLACE, 0.0, 0.0, -20.0 ) )
    	return FALSE;
		
	//Create the clipper 
	if(DirectDrawCreateClipper(0,&pMyClipper,NULL)!=DD_OK){
		TRACE("MyD3DView::FAILED TO CREATE DIRECTDRAW CLIPPER \n");
    	return FALSE;
	}
	//Associate clipper with the window
	if(pMyClipper->SetHWnd(0,hWnd)!=DD_OK){
		TRACE("MyD3DView::FAILED TO ASSOCIATE THE WINDOW WITH CLIPPER\n");
    	return FALSE;
	}
	
    	//Create Device and ViewPort
	if(!CreateDeviceAndViewPort()){
		TRACE("MyD3DView::FAILED AT 'CreateDeviceAndViewPort()' \n");
    	return FALSE;
	}
	else{

		if(!SetRenderingOptions()){
			TRACE("MyD3DView::FAILED AT 'SetRenderingOptions()' \n");
    		return FALSE;
		}
		else{
			TRACE("MyD3DView::SUCCESSFULLY CONFIGURED\n");
		}

	}

	return TRUE;
}

BOOL CD3dView::SetRenderingOptions(void)
{
	LPDIRECT3DRMLIGHT pAmbient		= NULL;	// Ambient light
	LPDIRECT3DRMLIGHT pDirectional	= NULL;	// Directional light

	// Create lights
	if(FAILED(pMyD3DRetaindMode->CreateLightRGB(D3DRMLIGHT_AMBIENT, 0.1f, 0.1f, 0.1f,
		&pAmbient))){
		TRACE("MyD3DView::FAILED TO CREATE LIGHT \n");
		return FALSE;
	}

	if(FAILED(pMyD3DRetaindMode->CreateLightRGB(D3DRMLIGHT_DIRECTIONAL, 0.1f, 0.1f, 0.1f,
		&pDirectional))){
		TRACE("MyD3DView::FAILED TO CREATE LIGHT \n");
		return FALSE;
	}


	// Add lights to main scene
	if(FAILED(pMyScene->AddLight(pDirectional)))
		return FALSE;
	if(FAILED(pMyScene->AddLight(pAmbient)))
		return FALSE;

	// Set shading mode to gouraud, turn on the lights, solid object
	pMyDevice->SetQuality(D3DRMLIGHT_ON | D3DRMFILL_SOLID |D3DRMSHADE_GOURAUD);
	
	return TRUE;
}

BOOL CD3dView::CreateDeviceAndViewPort()
{
	//The size of the viewport ( using arbitrary value 800,600 )
	int right		= 800;
	int bottom		= 600;

	//Creating device from clipper
	if(pMyD3DRetaindMode->CreateDeviceFromClipper(pMyClipper,NULL,
		right,bottom,&pMyDevice)!=D3DRM_OK){
		TRACE("MyD3DView::FAILED TO CREATE DEVICE \n");
		return FALSE;
	}

	//Create a ViewPort 		
	if(pMyD3DRetaindMode->CreateViewport(pMyDevice,pMyCamera,
			0,0, pMyDevice->GetWidth(), pMyDevice->GetHeight(), 
			&pMyViewport) != D3DRM_OK){
		TRACE("MyD3DView::FAILED TO CREATE VIEWPORT \n");
		return FALSE;

	}
	
	
	// Set the Background to an arbitrarily large value
	pMyViewport->SetBack(500.0f);

	return TRUE;
}


void CD3dView::UpdateView() 
{
	
	pMyDevice->SetQuality(D3DRMRENDER_GOURAUD);
	
	//pMyDevice->SetQuality(D3DRMRENDER_WIREFRAME);

	pMyViewport->Clear();			// Clear the viewport
	pMyViewport->Render(pMyScene);		// Render the scene
	pMyDevice->Update();			// Update Scene

}

void CD3dView::LoadXfile(CString filename)
{
	//UpdateView();

	LPDIRECT3DRMMESHBUILDER pMeshB;

	//I. Create a mesh builder on D3DRM ptr
	HRESULT hr = pMyD3DRetaindMode->CreateMeshBuilder( &pMeshB );

	//II load an x file to the created mesh builder
	hr = pMeshB->Load((void*)(LPCTSTR)filename,
				NULL,				
				D3DRMLOAD_FROMFILE,	
				NULL,				
				NULL);				

	if(!hr){

		//III create a local frame on Scene frame
		LPDIRECT3DRMFRAME pFrame;
		pMyD3DRetaindMode->CreateFrame(pMyRootFrame,&pFrame);
		//IV Now add the created mesh to the local frame.
		pFrame->AddVisual(pMeshB);
	}
	else{
		TRACE("CMyD3DView::FAILED TO LOAD X FILE: %s\n",filename);
	}

	UpdateView();

	TRACE("CMyD3DView::DID YOU SEE ANYTHING YET ?\n");


}