RiskYourLife/Client
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity
Files
e0675225989be571b799ac5eb9b1f7adf2d68e21
Client/Library/dxx8/samples/Multimedia/DirectDraw/SwitchScreenMode/switchscreenmode.cpp
LGram16 e067522598 Initial commit: ROW Client source code 
Game client codebase including:
- CharacterActionControl: Character and creature management
- GlobalScript: Network, items, skills, quests, utilities
- RYLClient: Main client application with GUI and event handlers
- Engine: 3D rendering engine (RYLGL)
- MemoryManager: Custom memory allocation
- Library: Third-party dependencies (DirectX, boost, etc.)
- Tools: Development utilities

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
2025-11-29 16:24:34 +09:00

675 lines
22 KiB
C++
Raw Blame History

//-----------------------------------------------------------------------------
// File: SwitchScreenMode.cpp
//
// Desc: This sample demonstrates how to switch between windowed and
// full-screen exclusive DDraw cooperative levels.
//
// Copyright (c) 1999-2001 Microsoft Corporation. All rights reserved.
//-----------------------------------------------------------------------------
#define STRICT
#include <windows.h>
#include <ddraw.h>
#include <mmsystem.h>
#include "resource.h"
#include "ddutil.h"
//-----------------------------------------------------------------------------
// Defines, constants, and global variables
//-----------------------------------------------------------------------------
#define SAFE_DELETE(p) { if(p) { delete (p); (p)=NULL; } }
#define SAFE_RELEASE(p) { if(p) { (p)->Release(); (p)=NULL; } }
#define SCREEN_WIDTH 640
#define SCREEN_HEIGHT 480
#define SCREEN_BPP 8
#define SPRITE_DIAMETER 48
#define NUM_SPRITES 25
#define WINDOWED_HELPTEXT TEXT("Press Escape to quit. Press Alt-Enter to switch to Full-Screen mode.")
#define FULLSCREEN_HELPTEXT TEXT("Press Escape to quit. Press Alt-Enter to switch to Windowed mode.")
struct SPRITE_STRUCT
{
FLOAT fPosX;
FLOAT fPosY;
FLOAT fVelX;
FLOAT fVelY;
};
CDisplay* g_pDisplay = NULL;
CSurface* g_pLogoSurface = NULL;
CSurface* g_pTextSurface = NULL;
RECT g_rcWindow;
RECT g_rcViewport;
RECT g_rcScreen;
BOOL g_bWindowed = TRUE;
BOOL g_bActive = FALSE;
DWORD g_dwLastTick;
SPRITE_STRUCT g_Sprite[NUM_SPRITES];
//-----------------------------------------------------------------------------
// Function-prototypes
//-----------------------------------------------------------------------------
LRESULT CALLBACK MainWndProc( HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam );
HRESULT WinInit( HINSTANCE hInst, int nCmdShow, HWND* phWnd, HACCEL* phAccel );
HRESULT InitDirectDraw( HWND hWnd );
VOID FreeDirectDraw();
HRESULT InitDirectDrawMode( HWND hWnd, BOOL bWindowed );
HRESULT ProcessNextFrame( HWND hWnd );
VOID UpdateSprite( SPRITE_STRUCT* pSprite, FLOAT fTimeDelta );
HRESULT DisplayFrame();
HRESULT RestoreSurfaces();
//-----------------------------------------------------------------------------
// Name: WinMain()
// Desc: Entry point to the program. Initializes everything and calls
// UpdateFrame() when idle from the message pump.
//-----------------------------------------------------------------------------
int APIENTRY WinMain( HINSTANCE hInst, HINSTANCE hPrevInst, LPSTR pCmdLine, int nCmdShow )
{
MSG msg;
HWND hWnd;
HACCEL hAccel;
ZeroMemory( &g_Sprite, sizeof(SPRITE_STRUCT) * NUM_SPRITES );
srand( GetTickCount() );
if( FAILED( WinInit( hInst, nCmdShow, &hWnd, &hAccel ) ) )
return FALSE;
if( FAILED( InitDirectDraw( hWnd ) ) )
{
MessageBox( hWnd, TEXT("DirectDraw init failed. ")
TEXT("The sample will now exit. "), TEXT("DirectDraw Sample"),
MB_ICONERROR | MB_OK );
return FALSE;
}
g_dwLastTick = timeGetTime();
while( TRUE )
{
// Look for messages, if none are found then
// update the state and display it
if( PeekMessage( &msg, NULL, 0, 0, PM_NOREMOVE ) )
{
if( 0 == GetMessage(&msg, NULL, 0, 0 ) )
{
// WM_QUIT was posted, so exit
return (int)msg.wParam;
}
// Translate and dispatch the message
if( 0 == TranslateAccelerator( hWnd, hAccel, &msg ) )
{
TranslateMessage( &msg );
DispatchMessage( &msg );
}
}
else
{
if( g_bActive )
{
// Move the sprites, blt them to the back buffer, then
// flip or blt the back buffer to the primary buffer
if( FAILED( ProcessNextFrame( hWnd ) ) )
{
SAFE_DELETE( g_pDisplay );
MessageBox( hWnd, TEXT("Displaying the next frame failed. ")
TEXT("The sample will now exit. "), TEXT("DirectDraw Sample"),
MB_ICONERROR | MB_OK );
return FALSE;
}
}
else
{
// Go to sleep if we have nothing else to do
WaitMessage();
// Ignore time spent inactive
g_dwLastTick = timeGetTime();
}
}
}
}
//-----------------------------------------------------------------------------
// Name: WinInit()
// Desc: Init the window
//-----------------------------------------------------------------------------
HRESULT WinInit( HINSTANCE hInst, int nCmdShow, HWND* phWnd, HACCEL* phAccel )
{
WNDCLASSEX wc;
HWND hWnd;
HACCEL hAccel;
// Register the window class
wc.cbSize = sizeof(wc);
wc.lpszClassName = TEXT("SwitchScreenMode");
wc.lpfnWndProc = MainWndProc;
wc.style = CS_VREDRAW | CS_HREDRAW;
wc.hInstance = hInst;
wc.hIcon = LoadIcon( hInst, MAKEINTRESOURCE(IDI_MAIN_ICON) );
wc.hIconSm = LoadIcon( hInst, MAKEINTRESOURCE(IDI_MAIN_ICON) );
wc.hCursor = LoadCursor( NULL, IDC_ARROW );
wc.hbrBackground = (HBRUSH) (COLOR_WINDOW + 1);
wc.lpszMenuName = MAKEINTRESOURCE(IDR_MENU);
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
if( RegisterClassEx( &wc ) == 0 )
return E_FAIL;
// Load keyboard accelerators
hAccel = LoadAccelerators( hInst, MAKEINTRESOURCE(IDR_MAIN_ACCEL) );
// Calculate the proper size for the window given a client of 640x480
DWORD dwFrameWidth = GetSystemMetrics( SM_CXSIZEFRAME );
DWORD dwFrameHeight = GetSystemMetrics( SM_CYSIZEFRAME );
DWORD dwMenuHeight = GetSystemMetrics( SM_CYMENU );
DWORD dwCaptionHeight = GetSystemMetrics( SM_CYCAPTION );
DWORD dwWindowWidth = SCREEN_WIDTH + dwFrameWidth * 2;
DWORD dwWindowHeight = SCREEN_HEIGHT + dwFrameHeight * 2 +
dwMenuHeight + dwCaptionHeight;
// Create and show the main window
DWORD dwStyle = WS_OVERLAPPEDWINDOW & ~WS_MAXIMIZEBOX;
hWnd = CreateWindowEx( 0, TEXT("SwitchScreenMode"),
TEXT("DirectDraw SwitchScreenMode Sample"),
dwStyle, CW_USEDEFAULT, CW_USEDEFAULT,
dwWindowWidth, dwWindowHeight, NULL, NULL, hInst, NULL );
if( hWnd == NULL )
return E_FAIL;
ShowWindow( hWnd, nCmdShow );
UpdateWindow( hWnd );
// Save the window size/pos for switching modes
GetWindowRect( hWnd, &g_rcWindow );
*phWnd = hWnd;
*phAccel = hAccel;
return S_OK;
}
//-----------------------------------------------------------------------------
// Name: InitDirectDraw()
// Desc: Create the DirectDraw object, and init the surfaces
//-----------------------------------------------------------------------------
HRESULT InitDirectDraw( HWND hWnd )
{
HRESULT hr;
// Initialize all the surfaces we need
if( FAILED( hr = InitDirectDrawMode( hWnd, g_bWindowed ) ) )
return hr;
return S_OK;
}
//-----------------------------------------------------------------------------
// Name: InitDirectDrawMode()
// Desc: Called when the user wants to toggle between full-screen and windowed
// to create all the needed DDraw surfaces and set the coop level
//-----------------------------------------------------------------------------
HRESULT InitDirectDrawMode( HWND hWnd, BOOL bWindowed )
{
HRESULT hr;
LPDIRECTDRAWPALETTE pDDPal = NULL;
int iSprite;
// Release all existing surfaces
SAFE_DELETE( g_pLogoSurface );
SAFE_DELETE( g_pTextSurface );
SAFE_DELETE( g_pDisplay );
// The back buffer and primary surfaces need to be created differently
// depending on if we are in full-screen or windowed mode
g_pDisplay = new CDisplay();
if( bWindowed )
{
if( FAILED( hr = g_pDisplay->CreateWindowedDisplay( hWnd, SCREEN_WIDTH,
SCREEN_HEIGHT ) ) )
return hr;
// Add the system menu to the window's style
DWORD dwStyle = GetWindowLong( hWnd, GWL_STYLE );
dwStyle |= WS_SYSMENU;
SetWindowLong( hWnd, GWL_STYLE, dwStyle );
// Show the menu in windowed mode
#ifdef _WIN64
HINSTANCE hInst = (HINSTANCE) GetWindowLongPtr( hWnd, GWLP_HINSTANCE );
#else
HINSTANCE hInst = (HINSTANCE) GetWindowLong( hWnd, GWL_HINSTANCE );
#endif
HMENU hMenu = LoadMenu( hInst, MAKEINTRESOURCE( IDR_MENU ) );
SetMenu( hWnd, hMenu );
}
else
{
if( FAILED( hr = g_pDisplay->CreateFullScreenDisplay( hWnd, SCREEN_WIDTH,
SCREEN_HEIGHT, SCREEN_BPP ) ) )
{
MessageBox( hWnd, TEXT("This display card does not support 640x480x8. "),
TEXT("DirectDraw Sample"), MB_ICONERROR | MB_OK );
return hr;
}
// Disable the menu in full-screen since we are
// using a palette and a menu would look bad
SetMenu( hWnd, NULL );
// Remove the system menu from the window's style
DWORD dwStyle = GetWindowLong( hWnd, GWL_STYLE );
dwStyle &= ~WS_SYSMENU;
SetWindowLong( hWnd, GWL_STYLE, dwStyle );
}
// We need to release and re-load, and set the palette again to
// redraw the bitmap on the surface. Otherwise, GDI will not
// draw the bitmap on the surface with the right palette
if( FAILED( hr = g_pDisplay->CreatePaletteFromBitmap( &pDDPal, MAKEINTRESOURCE( IDB_DIRECTX ) ) ) )
return hr;
g_pDisplay->SetPalette( pDDPal );
SAFE_RELEASE( pDDPal );
if( g_bWindowed )
{
// Create a surface, and draw text to it.
if( FAILED( hr = g_pDisplay->CreateSurfaceFromText( &g_pTextSurface, NULL, WINDOWED_HELPTEXT,
RGB(0,0,0), RGB(255, 255, 0) ) ) )
return hr;
}
else
{
// Create a surface, and draw text to it.
if( FAILED( hr = g_pDisplay->CreateSurfaceFromText( &g_pTextSurface, NULL, FULLSCREEN_HELPTEXT,
RGB(0,0,0), RGB(255, 255, 0) ) ) )
return hr;
}
// Create a surface, and draw a bitmap resource on it. The surface must
// be newly created every time the screen mode is switched since it
// uses the pixel format of the primary surface
if( FAILED( hr = g_pDisplay->CreateSurfaceFromBitmap( &g_pLogoSurface, MAKEINTRESOURCE( IDB_DIRECTX ),
SPRITE_DIAMETER, SPRITE_DIAMETER ) ) )
return hr;
// Set the color key for the logo sprite to black
if( FAILED( hr = g_pLogoSurface->SetColorKey( 0 ) ) )
return hr;
// Init all the sprites. All of these sprites look the same,
// using the g_pDDSLogo surface.
for( iSprite = 0; iSprite < NUM_SPRITES; iSprite++ )
{
// Set the sprite's position and velocity
g_Sprite[iSprite].fPosX = (float) (rand() % SCREEN_WIDTH);
g_Sprite[iSprite].fPosY = (float) (rand() % SCREEN_HEIGHT);
g_Sprite[iSprite].fVelX = 500.0f * rand() / RAND_MAX - 250.0f;
g_Sprite[iSprite].fVelY = 500.0f * rand() / RAND_MAX - 250.0f;
}
return S_OK;
}
//-----------------------------------------------------------------------------
// Name: FreeDirectDraw()
// Desc: Release all the DirectDraw objects
//-----------------------------------------------------------------------------
VOID FreeDirectDraw()
{
SAFE_DELETE( g_pLogoSurface );
SAFE_DELETE( g_pTextSurface );
SAFE_DELETE( g_pDisplay );
}
//-----------------------------------------------------------------------------
// Name: MainWndProc()
// Desc: The main window procedure
//-----------------------------------------------------------------------------
LRESULT CALLBACK MainWndProc( HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam )
{
switch (msg)
{
case WM_COMMAND:
switch( LOWORD(wParam) )
{
case IDM_TOGGLEFULLSCREEN:
// Toggle the fullscreen/window mode
if( g_bWindowed )
GetWindowRect( hWnd, &g_rcWindow );
g_bWindowed = !g_bWindowed;
if( FAILED( InitDirectDrawMode( hWnd, g_bWindowed ) ) )
{
SAFE_DELETE( g_pDisplay );
MessageBox( hWnd, TEXT("InitDirectDraw() failed. ")
TEXT("The sample will now exit. "), TEXT("DirectDraw Sample"),
MB_ICONERROR | MB_OK );
PostMessage( hWnd, WM_CLOSE, 0, 0 );
}
return 0L;
case IDM_EXIT:
// Received key/menu command to exit app
PostMessage( hWnd, WM_CLOSE, 0, 0 );
return 0L;
}
break; // Continue with default processing
case WM_GETMINMAXINFO:
{
// Don't allow resizing in windowed mode.
// Fix the size of the window to 640x480 (client size)
MINMAXINFO* pMinMax = (MINMAXINFO*) lParam;
DWORD dwFrameWidth = GetSystemMetrics( SM_CXSIZEFRAME );
DWORD dwFrameHeight = GetSystemMetrics( SM_CYSIZEFRAME );
DWORD dwMenuHeight = GetSystemMetrics( SM_CYMENU );
DWORD dwCaptionHeight = GetSystemMetrics( SM_CYCAPTION );
pMinMax->ptMinTrackSize.x = SCREEN_WIDTH + dwFrameWidth * 2;
pMinMax->ptMinTrackSize.y = SCREEN_HEIGHT + dwFrameHeight * 2 +
dwMenuHeight + dwCaptionHeight;
pMinMax->ptMaxTrackSize.x = pMinMax->ptMinTrackSize.x;
pMinMax->ptMaxTrackSize.y = pMinMax->ptMinTrackSize.y;
}
return 0L;
case WM_MOVE:
// Retrieve the window position after a move.
if( g_pDisplay )
g_pDisplay->UpdateBounds();
return 0L;
case WM_SIZE:
// Check to see if we are losing our window...
if( SIZE_MAXHIDE==wParam || SIZE_MINIMIZED==wParam )
g_bActive = FALSE;
else
g_bActive = TRUE;
if( g_pDisplay )
g_pDisplay->UpdateBounds();
break;
case WM_SETCURSOR:
// Hide the cursor if in fullscreen
if( !g_bWindowed )
{
SetCursor( NULL );
return TRUE;
}
break; // Continue with default processing
case WM_QUERYNEWPALETTE:
if( g_pDisplay && g_pDisplay->GetFrontBuffer() )
{
// If we are in windowed mode with a desktop resolution in 8 bit
// color, then the palette we created during init has changed
// since then. So get the palette back from the primary
// DirectDraw surface, and set it again so that DirectDraw
// realises the palette, then release it again.
LPDIRECTDRAWPALETTE pDDPal = NULL;
g_pDisplay->GetFrontBuffer()->GetPalette( &pDDPal );
g_pDisplay->GetFrontBuffer()->SetPalette( pDDPal );
SAFE_RELEASE( pDDPal );
}
break;
case WM_EXITMENULOOP:
// Ignore time spent in menu
g_dwLastTick = timeGetTime();
break;
case WM_EXITSIZEMOVE:
// Ignore time spent resizing
g_dwLastTick = timeGetTime();
break;
case WM_SYSCOMMAND:
// Prevent moving/sizing and power loss in fullscreen mode
switch( wParam )
{
case SC_MOVE:
case SC_SIZE:
case SC_MAXIMIZE:
case SC_MONITORPOWER:
if( !g_bWindowed )
return TRUE;
}
break;
case WM_DESTROY:
// Cleanup and close the app
FreeDirectDraw();
PostQuitMessage( 0 );
return 0L;
}
return DefWindowProc(hWnd, msg, wParam, lParam);
}
//-----------------------------------------------------------------------------
// Name: ProcessNextFrame()
// Desc: Move the sprites, blt them to the back buffer, then
// flip or blt the back buffer to the primary buffer
//-----------------------------------------------------------------------------
HRESULT ProcessNextFrame( HWND hWnd )
{
HRESULT hr;
// Figure how much time has passed since the last time
DWORD dwCurrTick = timeGetTime();
DWORD dwTickDiff = dwCurrTick - g_dwLastTick;
// Don't update if no time has passed
if( dwTickDiff == 0 )
return S_OK;
g_dwLastTick = dwCurrTick;
// Move the sprites according to how much time has passed
for( int iSprite = 0; iSprite < NUM_SPRITES; iSprite++ )
UpdateSprite( &g_Sprite[ iSprite ], dwTickDiff / 1000.0f );
// Check the cooperative level before rendering
if( FAILED( hr = g_pDisplay->GetDirectDraw()->TestCooperativeLevel() ) )
{
switch( hr )
{
case DDERR_EXCLUSIVEMODEALREADYSET:
case DDERR_NOEXCLUSIVEMODE:
// Do nothing because some other app has exclusive mode
Sleep(10);
return S_OK;
case DDERR_WRONGMODE:
// The display mode changed on us. Update the
// DirectDraw surfaces accordingly
return InitDirectDrawMode( hWnd, g_bWindowed );
}
return hr;
}
// Display the sprites on the screen
if( FAILED( hr = DisplayFrame() ) )
{
if( hr != DDERR_SURFACELOST )
return hr;
// The surfaces were lost so restore them
RestoreSurfaces();
}
return S_OK;
}
//-----------------------------------------------------------------------------
// Name: UpdateSprite()
// Desc: Move the sprite around and make it bounce based on how much time
// has passed
//-----------------------------------------------------------------------------
VOID UpdateSprite( SPRITE_STRUCT* pSprite, FLOAT fTimeDelta )
{
// Update the sprite position
pSprite->fPosX += pSprite->fVelX * fTimeDelta;
pSprite->fPosY += pSprite->fVelY * fTimeDelta;
// Clip the position, and bounce if it hits the edge
if( pSprite->fPosX < 0.0f )
{
pSprite->fPosX = 0;
pSprite->fVelX = -pSprite->fVelX;
}
if( pSprite->fPosX >= SCREEN_WIDTH - SPRITE_DIAMETER )
{
pSprite->fPosX = SCREEN_WIDTH - 1 - SPRITE_DIAMETER;
pSprite->fVelX = -pSprite->fVelX;
}
if( pSprite->fPosY < 0 )
{
pSprite->fPosY = 0;
pSprite->fVelY = -pSprite->fVelY;
}
if( pSprite->fPosY > SCREEN_HEIGHT - SPRITE_DIAMETER )
{
pSprite->fPosY = SCREEN_HEIGHT - 1 - SPRITE_DIAMETER;
pSprite->fVelY = -pSprite->fVelY;
}
}
//-----------------------------------------------------------------------------
// Name: DisplayFrame()
// Desc: Blts a the sprites to the back buffer, then it blts or flips the
// back buffer onto the primary buffer.
//-----------------------------------------------------------------------------
HRESULT DisplayFrame()
{
HRESULT hr;
// Fill the back buffer with black, ignoring errors until the flip
g_pDisplay->Clear( 0 );
// Blt the help text on the backbuffer, ignoring errors until the flip
g_pDisplay->Blt( 10, 10, g_pTextSurface, NULL );
// Blt all the sprites onto the back buffer using color keying,
// ignoring errors until the flip. Note that all of these sprites
// use the same DirectDraw surface.
for( int iSprite = 0; iSprite < NUM_SPRITES; iSprite++ )
{
g_pDisplay->Blt( (DWORD)g_Sprite[iSprite].fPosX,
(DWORD)g_Sprite[iSprite].fPosY,
g_pLogoSurface, NULL );
}
// Flip or blt the back buffer onto the primary buffer
if( FAILED( hr = g_pDisplay->Present() ) )
return hr;
return S_OK;
}
//-----------------------------------------------------------------------------
// Name: RestoreSurfaces()
// Desc: Restore all the surfaces, and redraw the sprite surfaces.
//-----------------------------------------------------------------------------
HRESULT RestoreSurfaces()
{
HRESULT hr;
LPDIRECTDRAWPALETTE pDDPal = NULL;
if( FAILED( hr = g_pDisplay->GetDirectDraw()->RestoreAllSurfaces() ) )
return hr;
// No need to re-create the surface, just re-draw it.
// We need to release and re-load, and set the palette again to
if( FAILED( hr = g_pDisplay->CreatePaletteFromBitmap( &pDDPal, MAKEINTRESOURCE( IDB_DIRECTX ) ) ) )
return hr;
g_pDisplay->SetPalette( pDDPal );
SAFE_RELEASE( pDDPal );
// No need to re-create the surface, just re-draw it.
if( FAILED( hr = g_pLogoSurface->DrawBitmap( MAKEINTRESOURCE( IDB_DIRECTX ),
SPRITE_DIAMETER, SPRITE_DIAMETER ) ) )
return hr;
if( g_bWindowed )
{
// No need to re-create the surface, just re-draw it.
if( FAILED( hr = g_pTextSurface->DrawText( NULL, WINDOWED_HELPTEXT,
0, 0, RGB(0,0,0), RGB(255, 255, 0) ) ) )
return hr;
}
else
{
// No need to re-create the surface, just re-draw it.
if( FAILED( hr = g_pTextSurface->DrawText( NULL, FULLSCREEN_HELPTEXT,
0, 0, RGB(0,0,0), RGB(255, 255, 0) ) ) )
return hr;
}
return S_OK;
}
Reference in New Issue View Git Blame Copy Permalink