[DX 9.0] SCENES EN WINDOWED : SIMPLES ET MULTIPLES AVEC SWAPCHAINS

//CODE DU SECOND REPERTOIRE
//MAIN.CPP UNIQUEMENT (RESTE DANS LE ZIP)

#include <windows.h>
#include <commctrl.h>
#include "DXUtils.h"
#include "resource.h"


#define SAFE_RELEASE(a) if(a){a->Release();a=NULL;}
#define SAFE_RELEASE_ARRAY(a) if(a){delete [] a;a = NULL;} 


extern HWND g_hDlg;
HWND g_hPicture1;
HWND g_hPicture2;
char g_FPS[6];
bool g_CallBoucle = true;
SFontProperties* g_FontTab = NULL;	


bool Update1()
{
	static float CurrentTime = DXUtil_Timer(TIMER_GETABSOLUTETIME);

	if( DXUtil_Timer(TIMER_GETABSOLUTETIME)-CurrentTime>0.015f )//64 fps ( 1/fps. calculé par 1/66 mais a cause des arrondis on a 64fps)
	{
		srand((unsigned int)timeGetTime());	//On réinitialise le hasard.

		//-----------Préparation des variables d'affichage------
		static float Timer = 0.0f;
		static float dwFrames = 0.0f;
		CurrentTime = DXUtil_Timer(TIMER_GETABSOLUTETIME);

		//-----------Préparation du device pour l'affichage-----
		DXUtil_Timer(TIMER_START);

		g_MainSwapChain->GetBackBuffer(0,D3DBACKBUFFER_TYPE_MONO,&g_Surf);
		g_Device->SetRenderTarget(0,g_Surf);

		g_Device->Clear(NULL,NULL,D3DCLEAR_TARGET,D3DCOLOR_XRGB(0,0,0),1.0f,0);
		g_Device->BeginScene();

		PrintText("Premiere fenetre",-1,-1,D3DCOLOR_ARGB(255,255,0,0),1);

		dwFrames++;
		PrintText(g_FPS,0,0,D3DCOLOR_ARGB(255,0,255,0),1);
		
		//FPS
		if( CurrentTime-Timer > 1.0f )
		{
			sprintf(g_FPS,"%.2f",dwFrames / (CurrentTime - Timer));
			dwFrames = 0;
			Timer = CurrentTime;
		}

		//-----------Affichage de la frame----------------------

		g_Device->EndScene();
		g_MainSwapChain->Present(NULL,NULL,g_hPicture1,NULL,0);
	}
	return true;
}

bool Update2()
{
	static float CurrentTime = DXUtil_Timer(TIMER_GETABSOLUTETIME);

	if( DXUtil_Timer(TIMER_GETABSOLUTETIME)-CurrentTime>0.015f )//64 fps ( 1/fps. calculé par 1/66 mais a cause des arrondis on a 64fps)
	{
		srand((unsigned int)timeGetTime());	//On réinitialise le hasard.

		//-----------Préparation des variables d'affichage------
		static float Timer = 0.0f;
		static float dwFrames = 0.0f;
		CurrentTime = DXUtil_Timer(TIMER_GETABSOLUTETIME);

		//-----------Préparation du device pour l'affichage-----
		DXUtil_Timer(TIMER_START);

		g_SecondSwapChain->GetBackBuffer(0,D3DBACKBUFFER_TYPE_MONO,&g_Surf);
		g_Device->SetRenderTarget(0,g_Surf);

		g_Device->Clear(NULL,NULL,D3DCLEAR_TARGET,D3DCOLOR_XRGB(0,0,0),1.0f,0);
		g_Device->BeginScene();

		PrintText("Seconde fenetre",-1,-1,D3DCOLOR_ARGB(255,255,0,0),1);

		dwFrames++;
		PrintText(g_FPS,0,0,D3DCOLOR_ARGB(255,0,255,0),1);
		
		//FPS
		if( CurrentTime-Timer > 1.0f )
		{
			sprintf(g_FPS,"%.2f",dwFrames / (CurrentTime - Timer));
			dwFrames = 0;
			Timer = CurrentTime;
		}

		//-----------Affichage de la frame----------------------

		g_Device->EndScene();
		g_SecondSwapChain->Present(NULL,NULL,g_hPicture2,NULL,0);
	}
	return true;
}

bool CenterDlg(HWND hWnd)
{
 RECT l_Dim;
 int l_ScreenWidth = GetSystemMetrics(SM_CXSCREEN);
 int l_ScreenHeight = GetSystemMetrics(SM_CYSCREEN);
 
 GetWindowRect(hWnd,&l_Dim); 
 int l_AppWidth = l_Dim.right - l_Dim.left;
 int l_AppHeight = l_Dim.bottom - l_Dim.top;
 
 //Center the window
 SetWindowPos(hWnd,HWND_TOP,(l_ScreenWidth-l_AppWidth)/2,
							    (l_ScreenHeight-l_AppHeight)/2,
							    l_AppWidth,
							    l_AppHeight,
							    SWP_SHOWWINDOW);

 return true;
}

LRESULT CALLBACK DlgProc(HWND DlgProc, UINT msg, WPARAM wParam, LPARAM lParam)
{
 switch(msg)
 { 
 case WM_CLOSE:
  DestroyWindow(DlgProc); 
 break;
 case WM_DESTROY:
   PostQuitMessage(0);
 break;
 case WM_INITDIALOG:
 break;
 case WM_COMMAND: 
  switch(HIWORD(wParam))
  {
   case BN_CLICKED:
    switch(LOWORD(wParam))
	{
     case IDCANCEL:
      DestroyWindow(DlgProc);
     break;
	}
   break;
  }
 break;

 default:
  return FALSE;
 }

 return FALSE;
}

int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,
LPSTR lpCmdLine, int nCmdShow)
{
MSG Msg;

g_hDlg = CreateDialog(hInstance,MAKEINTRESOURCE(IDD_MAINFORM), NULL, (DLGPROC) DlgProc);

CenterDlg(g_hDlg);

RECT rc;
//GetWindowRect(g_hDlg,&rc);
//les deux sont possibles
GetWindowRect(GetDlgItem(g_hDlg,IDC_PICTURE2),&rc);

InitDGraphics(rc.right-rc.left,rc.bottom-rc.top,32);


if(g_hDlg == NULL)
 {
 MessageBox(NULL, "Window Creation Failed!", "Error!",
 MB_ICONEXCLAMATION | MB_OK);
 return 0;
 }

//-----Création et initialisation des polices
	g_FontTab = LoadFonts(g_FontTab,"FontList.wbf");
	
	if( g_FontTab == NULL )
	{
		MessageBox(g_hDlg,"Impossible d'initialiser les polices !","Erreur fatale !",MB_ICONHAND);
		return -1;
	}
	else
	{
		HFONT l_TmpFont;
		g_FontList = new LPD3DXFONT[g_NumbOfFonts];

		for(int k=0 ; k<g_NumbOfFonts ; k++)
		{
			l_TmpFont = CreateFont( g_FontTab[k].m_Size,		//taille de la police : 10, 12, 16, etc
								  0, 0, 0,
								  g_FontTab[k].m_Flag,			//texte gras ou non
								  g_FontTab[k].m_Italic,		//italique : true ou false
								  g_FontTab[k].m_Underlined,    //souligné : true ou false
								  FALSE,
								  ANSI_CHARSET,
								  OUT_DEFAULT_PRECIS,
								  CLIP_DEFAULT_PRECIS,
								  ANTIALIASED_QUALITY,
								  VARIABLE_PITCH,
								  g_FontTab[k].m_Name);

			D3DXCreateFont( g_Device, l_TmpFont, &g_FontList[k] );
			DeleteObject( l_TmpFont );
		}
	}

InitCommonControls();
ShowWindow(g_hDlg, nCmdShow);
UpdateWindow(g_hDlg);

g_hPicture1 = GetDlgItem(g_hDlg,IDC_PICTURE);
g_hPicture2 = GetDlgItem(g_hDlg,IDC_PICTURE2);


	while(g_CallBoucle)
	{
	//pour les erreurs non debug
		if( PeekMessage(&Msg, NULL, 0, 0, PM_NOREMOVE) )
		{
			if ( !GetMessage(&Msg, NULL, 0, 0) ) g_CallBoucle=false;
				DispatchMessage(&Msg);
		}
		else
		{
			if( !Update1() || !Update2() )
				g_CallBoucle=false;
		}
	}


	for(int i=0;i<g_NumbOfFonts;i++)
		g_FontList[i]->Release();

	SAFE_RELEASE_ARRAY(g_FontList);
	SAFE_RELEASE_ARRAY(g_FontTab);

	SAFE_RELEASE(g_Surf);
	SAFE_RELEASE(g_MainSwapChain);
	SAFE_RELEASE(g_SecondSwapChain);
	SAFE_RELEASE(g_Device);
	SAFE_RELEASE(g_D3D);

 return Msg.wParam;
}