main.cpp

来自「<B>很多DirectX 9.0游戏编程源码例子</B>」· C++ 代码 · 共 836 行 · 第 1/2 页

CPP
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	pVertices[2].tu       = 1.0f;
	pVertices[2].tv       = 1.0f;
	pVertices[2].tu2       = 1.0f;
	pVertices[2].tv2       = 1.0f;
	pVertices[2].vecNorm = D3DXVECTOR3(0.0f,0.0f,1.0f);

	pVertices[3].position = D3DXVECTOR3( 1.0f, 1.0f, 0.0f );
	pVertices[3].tu       = 1.0f;
	pVertices[3].tv       = 0.0f;
	pVertices[3].tu2       = 1.0f;
	pVertices[3].tv2       = 0.0f;
	pVertices[3].vecNorm = D3DXVECTOR3(0.0f,0.0f,1.0f);

	// Done editing, unlock the buffer
	g_pVBInterface->Unlock();

	//---------------------------------------------
	//      LOAD TEXTURES
	//---------------------------------------------

	// Load the texture for the interface
	if( FAILED( D3DXCreateTextureFromFile( g_pd3dDevice, "ba_interfacewindow_0.tga", &g_pTexture[ 0 ] ) ) ) {
		return;
	}
	if( FAILED( D3DXCreateTextureFromFile( g_pd3dDevice, "ba_interfacewindow_1.tga", &g_pTexture[ 1 ] ) ) ) {
		return;
	}
	if( FAILED( D3DXCreateTextureFromFile( g_pd3dDevice, "ba_interfacewindow_2.tga", &g_pTexture[ 2 ] ) ) ) {
		return;
	}
	if( FAILED( D3DXCreateTextureFromFile( g_pd3dDevice, "ba_interfacewindow_3.tga", &g_pTexture[ 3 ] ) ) ) {
		return;
	}
	if( FAILED( D3DXCreateTextureFromFile( g_pd3dDevice, "ba_interfacewindow_4.tga", &g_pTexture[ 4 ] ) ) ) {
		return;
	}
	if( FAILED( D3DXCreateTextureFromFile( g_pd3dDevice, "ba_interfacewindow_5.tga", &g_pTexture[ 5 ] ) ) ) {
		return;
	}
	if( FAILED( D3DXCreateTextureFromFile( g_pd3dDevice, "ba_logo.tga", &g_pTexture[ 6 ] ) ) ) {
		return;
	}
	if( FAILED( D3DXCreateTextureFromFile( g_pd3dDevice, "ba_mainmenu.tga", &g_pTexture[ 7 ] ) ) ) {
		return;
	}
	if( FAILED( D3DXCreateTextureFromFile( g_pd3dDevice, "ba_exitscreen.tga", &g_pTexture[ 8 ] ) ) ) {
		return;
	}
	if( FAILED( D3DXCreateTextureFromFile( g_pd3dDevice, "ba_optionsmenu.tga", &g_pTexture[ 9 ] ) ) ) {
		return;
	}
	if( FAILED( D3DXCreateTextureFromFile( g_pd3dDevice, "ba_mainmenu_newgame.tga", &g_pTexture[ 10 ] ) ) ) {
		return;
	}
	if( FAILED( D3DXCreateTextureFromFile( g_pd3dDevice, "ba_mainmenu_loadgame.tga", &g_pTexture[ 11 ] ) ) ) {
		return;
	}
	if( FAILED( D3DXCreateTextureFromFile( g_pd3dDevice, "ba_mainmenu_savegame.tga", &g_pTexture[ 12 ] ) ) ) {
		return;
	}
	if( FAILED( D3DXCreateTextureFromFile( g_pd3dDevice, "ba_mainmenu_options.tga", &g_pTexture[ 13 ] ) ) ) {
		return;
	}
};

//--------------------------------------------------------------------------------------
//
// Function to draw a 3D object in 2D space
//
// iXPos    = x-position in screen-space of the top-left corner of the object
// iYPos    = y-position in screen-space of the top-left corner of the object
// fXSize   = Width of the object in screen-space (pixels)
// fYSize   = Height of the object in screen-space (pixels)
// iTexture = Index into the texture array of object to draw
//
//--------------------------------------------------------------------------------------
void vDrawInterfaceObject( int iXPos, int iYPos, float fXSize, float fYSize, int iTexture )
{
	D3DXMATRIX	matWorld, matRotation, matTranslation, matScale;
	float		fXPos, fYPos;

	// Set default position,scale,rotation
	D3DXMatrixIdentity( &matTranslation );
	// Scale the sprite
	D3DXMatrixScaling( &matScale, fXSize, fYSize, 1.0f );
	D3DXMatrixMultiply( &matTranslation, &matTranslation, &matScale );
	// Rotate the sprite
	D3DXMatrixRotationZ( &matRotation, 0.0f );
	D3DXMatrixMultiply( &matWorld, &matTranslation, &matRotation );

	// Calculate the position in screen-space
	fXPos = (float)(-(g_iWindowWidth/2)+iXPos);
	fYPos = (float)(-(g_iWindowHeight/2)-iYPos+fYSize-g_iYOffset);

	// Move the sprite
	matWorld._41 = fXPos;	// X
	matWorld._42 = fYPos;	// Y

	// Set matrix
	g_pd3dDevice->SetTransform( D3DTS_WORLD, &matWorld );
	g_pd3dDevice->SetTexture( 0, g_pTexture[ iTexture ] );
	g_pd3dDevice->SetStreamSource( 0, g_pVBInterface, 0, sizeof( CUSTOMVERTEX ) );
	g_pd3dDevice->SetFVF( D3DFVF_CUSTOMVERTEX );
	g_pd3dDevice->DrawPrimitive( D3DPT_TRIANGLESTRIP, 0, 2 );

	// Dereference texture
	g_pd3dDevice->SetTexture(0, NULL);
}

//--------------------------------------------------------------------------------------
//
// Function to process mouse input
//
//--------------------------------------------------------------------------------------
void vCheckInput( void )
{
	bool		bRet;
	char		szZoneHit[ 64 ];
	POINT		Point;
	RECT		rcWindowRect;
	int			iMouseX;
	int			iMouseY;
	
	// Check the window offsets
	GetWindowRect( g_hWnd, &rcWindowRect );

	// Update the mouse position
	GetCursorPos( &Point );

	// Calculate real mouse coordinates
	iMouseX = Point.x-g_iXOffset-rcWindowRect.left;
	iMouseY = Point.y-g_iYOffset-rcWindowRect.top;
	
	// Check for mouse hits
	bRet = MZones.bCheckZones( (short)iMouseX, (short)iMouseY, szZoneHit, g_bLeftButton, g_bRightButton );
	if( bRet ) {
		//
		// TITLE SCREEN LOGIC
		//
		if( g_iCurrentScreen == 0 ) {
			// Go to the main menu
			if( !stricmp( szZoneHit, "TITLE_SCREEN" ) ) {
				// Set menu to main menu
				g_iCurrentScreen = 1;
				// Setup the mouse zones
				vSetupMouseZones( 1 );
			}
			// Go to the exit splash screen
			else if( !stricmp( szZoneHit, "EXIT_BUTTON" ) ) {
				g_SoundSys.hrPlaySound( g_sndButtonOver );
				// Set current screen to exit screen
				g_iCurrentScreen = 2;
				// Setup the mouse zones
				vSetupMouseZones( 2 );
			}
		}
		//
		// MAIN MENU LOGIC
		//
		else if( g_iCurrentScreen == 1 ) {
			// Turn off all highlights
			g_bMainMenu_NewGame_Highlight = 0;
			g_bMainMenu_LoadGame_Highlight = 0;
			g_bMainMenu_SaveGame_Highlight = 0;
			g_bMainMenu_Options_Highlight = 0;
			
			// Go to the title screen
			if( !stricmp( szZoneHit, "EXIT_BUTTON" ) ) {
				g_SoundSys.hrPlaySound( g_sndButton );
				// Set current screen to exit screen
				g_iCurrentScreen = 2;
				// Setup the mouse zones
				vSetupMouseZones( 2 );
			}
			else if( !stricmp( szZoneHit, "MAINMENU_NEWGAME" ) ) {
				// Add new game logic here
				g_SoundSys.hrPlaySound( g_sndButtonOver );
			}
			else if( !stricmp( szZoneHit, "MAINMENU_LOADGAME" ) ) {
				// Add load game logic here
				g_SoundSys.hrPlaySound( g_sndButtonOver );
			}
			else if( !stricmp( szZoneHit, "MAINMENU_SAVEGAME" ) ) {
				// Add save game logic here
				g_SoundSys.hrPlaySound( g_sndButtonOver );
			}
			else if( !stricmp( szZoneHit, "MAINMENU_OPTIONS" ) ) {
				g_SoundSys.hrPlaySound( g_sndButtonOver );
				// Set current screen to options menu
				g_iCurrentScreen = 7;
				// Setup the mouse zones
				vSetupMouseZones( 7 );
			}
			//
			// Check for mouse-overs
			//
			else if( !stricmp( szZoneHit, "MAINMENU_NEWGAME_H" ) ) {
				// Activate highlight
				g_bMainMenu_NewGame_Highlight = 1;
			}
			else if( !stricmp( szZoneHit, "MAINMENU_LOADGAME_H" ) ) {
				// Activate highlight
				g_bMainMenu_LoadGame_Highlight = 1;
			}
			else if( !stricmp( szZoneHit, "MAINMENU_SAVEGAME_H" ) ) {
				// Activate highlight
				g_bMainMenu_SaveGame_Highlight = 1;
			}
			else if( !stricmp( szZoneHit, "MAINMENU_OPTIONS_H" ) ) {
				// Activate highlight
				g_bMainMenu_Options_Highlight = 1;
			}
		}
		//
		// EXIT SCREEN LOGIC
		//
		else if( g_iCurrentScreen == 2 ) {
			// Exit the program if the user clicks anything
			if( !stricmp( szZoneHit, "EXIT_SCREEN" ) ) {
				g_SoundSys.hrPlaySound( g_sndButton );
				// Flag WinMain() to exit program
				g_iCurrentScreen = 3;
			}
		}
		//
		// OPTIONS MENU LOGIC
		//
		else if( g_iCurrentScreen == 7 ) {
			// Go to the title screen
			if( !stricmp( szZoneHit, "EXIT_BUTTON" ) ) {
				g_SoundSys.hrPlaySound( g_sndButton );
				// Set current screen to exit screen
				g_iCurrentScreen = 2;
				// Setup the mouse zones
				vSetupMouseZones( 2 );
			}
			// Go back to main menu
			else if( !stricmp( szZoneHit, "OPTIONS_BACK" ) ) {
				g_SoundSys.hrPlaySound( g_sndButtonOver );
				// Set current screen to main menu
				g_iCurrentScreen = 1;
				// Setup the mouse zones
				vSetupMouseZones( 1 );
			}
		}
	}
}

//--------------------------------------------------------------------------------------
//
// Function to setup mouse zones for the various screens and menus
// in the program.
//
//--------------------------------------------------------------------------------------
void vSetupMouseZones( int iMenu )
{
	// Title screen
	if( iMenu == 0 ) {
		MZones.vFreeZones();
		MZones.vInitialize( 2 );
		MZones.iAddZone( "TITLE_SCREEN", 0, 0, 640, 480, 2 );	// Left or right activated
		MZones.iAddZone( "EXIT_BUTTON", 587, 0, 53, 24, 0 );	// Left activated
	}
	// Main menu
	else if( iMenu == 1 ) {
		MZones.vFreeZones();
		MZones.vInitialize( 10 );
		MZones.iAddZone( "BACKGROUND", 0, 0, 640, 480, 3 );
		MZones.iAddZone( "EXIT_BUTTON", 587, 0, 53, 24, 0 );
		MZones.iAddZone( "MAINMENU_NEWGAME", 192, 64, 256, 64, 0 );
		MZones.iAddZone( "MAINMENU_LOADGAME", 192, 128, 256, 64, 0 );
		MZones.iAddZone( "MAINMENU_SAVEGAME", 192, 192, 256, 64, 0 );
		MZones.iAddZone( "MAINMENU_OPTIONS", 192, 256, 256, 64, 0 );
		// Highlight zones (for graphic looks only)
		MZones.iAddZone( "MAINMENU_NEWGAME_H", 192, 64, 256, 64, 3 );
		MZones.iAddZone( "MAINMENU_LOADGAME_H", 192, 128, 256, 64, 3 );
		MZones.iAddZone( "MAINMENU_SAVEGAME_H", 192, 192, 256, 64, 3 );
		MZones.iAddZone( "MAINMENU_OPTIONS_H", 192, 256, 256, 64, 3 );
	}
	// Exit splash screen
	else if( iMenu == 2 ) {
		MZones.vFreeZones();
		MZones.vInitialize( 1 );
		MZones.iAddZone( "EXIT_SCREEN", 0, 0, 640, 480, 2 );
	}
	// Options menu
	else if( iMenu == 7 ) {
		MZones.vFreeZones();
		MZones.vInitialize( 6 );
		MZones.iAddZone( "BACKGROUND", 0, 0, 640, 480, 3 );
		MZones.iAddZone( "EXIT_BUTTON", 587, 0, 53, 24, 0 );
		MZones.iAddZone( "OPTIONS_AUDIO", 192, 64, 256, 64, 0 );
		MZones.iAddZone( "OPTIONS_VIDEO", 192, 128, 256, 64, 0 );
		MZones.iAddZone( "OPTIONS_DIFF", 192, 192, 256, 64, 0 );
		MZones.iAddZone( "OPTIONS_BACK", 192, 256, 256, 64, 0 );
	}
}

//--------------------------------------------------------------------------------------
//
// Function to initialize the sound system and load the various
// sounds needed for the game.
//
//--------------------------------------------------------------------------------------
bool bInitializeSoundSystem( void ) 
{
	HRESULT	hr;
	
	//-------------------------------------------------------
	// Allocate memory for the game sound(s)
	//-------------------------------------------------------
	g_sndButton = new GameSound;
	g_sndButtonOver = new GameSound;
	
	//-------------------------------------------------------
	// Initialize the sound system
	//-------------------------------------------------------
	g_SoundSys.hrInitSoundSystem();

	//-------------------------------------------------------
	// Load the game sound(s)
	//-------------------------------------------------------
	hr = g_SoundSys.hrLoadSound( "button.wav", g_sndButton );
	if( hr == SOUNDERROR_LOAD ) {
		return( 0 );
	}
	
	hr = g_SoundSys.hrLoadSound( "button_over.wav", g_sndButtonOver );
	if( hr == SOUNDERROR_LOAD ) {
		return( 0 );
	}
	
	// Return success
	return( 1 );
}

//--------------------------------------------------------------------------------------
//
// Function to initialize the the sound graph and load
// the mp3 file
//
//--------------------------------------------------------------------------------------
bool bPlayTitleMusic( void )
{
	HRESULT	hr;
	
	// Initialize COM
	CoInitialize( NULL );

	// Create the graph
	CoCreateInstance(	CLSID_FilterGraph, 
						NULL, 
						CLSCTX_INPROC_SERVER, 
						IID_IGraphBuilder, 
						(void **)&g_pGraph );

	// Query for interface objects
	g_pGraph->QueryInterface( IID_IMediaControl, (void **)&g_pMediaControl );
	g_pGraph->QueryInterface( IID_IMediaEvent, (void **)&g_pEvent );
	g_pGraph->QueryInterface( IID_IMediaSeeking, (void **)&g_pSeeking );

	// Load the song (insert your own file name below)
	hr = g_pGraph->RenderFile(L"c:\\dxsdk\\samples\\media\\track3.mp3", NULL);
	if( hr != S_OK ) {
		return( 0 );
	}
	// Set the playback rate
	g_pSeeking->SetRate( 1.25 );
	// Play the song
	g_pMediaControl->Run();
	// Set background music active flag
	g_bBackgroundMusicActive = 1;
	
	return( 1 );
}

//--------------------------------------------------------------------------------------
//
// Function to clean up the graph and allocated memory
//
//--------------------------------------------------------------------------------------
void vStopTitleMusic( void ) 
{
	// Stop the song if playing
	g_pMediaControl->Stop();
	// Clean up
	g_pMediaControl->Release();
	g_pEvent->Release();
	g_pGraph->Release();
}

//--------------------------------------------------------------------------------------
//
// Function to check the status of the music to see if it is done and
// needs to be restarted
//
//--------------------------------------------------------------------------------------
void vCheckMusicStatus( void )
{
	long		evCode;
	
	// Check the event code
	g_pEvent->WaitForCompletion( 0, &evCode );
	
	// If the music is done, restart it
	if( evCode == EC_COMPLETE ) {
		// Set the starting position to 0
		LONGLONG lStartPos = 0;
		// Stop the music
		g_pMediaControl->Stop();
		// Set the positions
		g_pSeeking->SetPositions( &lStartPos, AM_SEEKING_AbsolutePositioning, NULL, AM_SEEKING_NoPositioning );
		// Run the music
		g_pMediaControl->Run();
	}
}
12

main.cpp - 源码说明

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