Starfield Screensaver by Marc Piulachs (marc DOT piulachs AT codexchange DOT net)

I committed the latest attachment (the C version) from bug #2510
See issue #2510 for more details.

svn path=/trunk/; revision=28195
This commit is contained in:
Colin Finck 2007-08-06 14:56:17 +00:00
parent c88c4b4ad1
commit 270493f197
6 changed files with 426 additions and 36 deletions

View file

@ -18,4 +18,8 @@
<xi:include href="scrnsave/scrnsave.rbuild" />
</directory>
<directory name="starfield">
<xi:include href="starfield/starfield.rbuild" />
</directory>
</group>

View file

@ -0,0 +1 @@
#define IDS_DESCRIPTION 1

View file

@ -0,0 +1,352 @@
/*
* Copyright 2003 J Brown
* Copyright 2006 Eric Kohl
* Copyright 2007 Marc Piulachs (marc.piulachs@codexchange.net)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#include <windows.h>
#include <tchar.h>
#include "resource.h"
#define RANDOM( min, max ) ((rand() % (int)(((max)+1) - (min))) + (min))
#define MAX_LOADSTRING 100
#define MAX_STARS 1000
#define APPNAME _T("Starfield")
#define APP_TIMER 1
#define APP_TIMER_INTERVAL 20
#define MAX_STARS 1000
// Details of each individual star
typedef struct star
{
int m_nXPos, m_nYPos, m_nZPos;
int m_nOldX, m_nOldY;
} STAR;
HINSTANCE hInstance;
BOOL fullscreen = FALSE;
STAR *stars;
int m_nTotStars;
int m_nCenterX, m_nCenterY;
void DrawStarField (HDC pDC)
{
int nX, nY;
int i;
for (i = 0; i < m_nTotStars; i++)
{
// Clear last position of this star
SetPixel (
pDC,
stars[i].m_nOldX,
stars[i].m_nOldY,
RGB (0, 0, 0));
nX = (int)((((long)stars[i].m_nXPos << 7) / (long)stars[i].m_nZPos) + m_nCenterX);
nY = (int)((((long)stars[i].m_nYPos << 7) / (long)stars[i].m_nZPos) + m_nCenterY);
// Draw star
SetPixel (
pDC,
nX,
nY,
RGB (255, 255, 255));
// Remember current position for clearing later
stars[i].m_nOldX = nX;
stars[i].m_nOldY = nY;
}
}
BOOL SetUpStars (int nNumStars)
{
int i;
if (nNumStars > MAX_STARS)
{
MessageBox (0,
_T("Too many stars! Aborting!"),
_T("Error"),
MB_OK | MB_ICONWARNING);
return FALSE;
}
if (stars)
free (stars);
m_nTotStars = nNumStars;
stars = (STAR*)malloc(nNumStars * sizeof(STAR));
if (!stars)
{
MessageBox (0,
_T("Unable to allocate memory! Aborting!"),
_T("Error"),
MB_OK | MB_ICONWARNING);
return FALSE;
}
for (i = 0; i < m_nTotStars; i++)
{
do
{
stars[i].m_nXPos = RANDOM (-320, 320);
stars[i].m_nYPos = RANDOM (-200, 200);
stars[i].m_nZPos = i+1;
stars[i].m_nOldX = -1;
stars[i].m_nOldY = -1;
} while ((stars[i].m_nXPos == 0) || (stars[i].m_nYPos == 0));
}
return TRUE;
}
void MoveStarField (int nXofs, int nYofs, int nZofs)
{
int i;
for (i = 0; i < m_nTotStars; i++)
{
stars[i].m_nXPos += nXofs;
stars[i].m_nYPos += nYofs;
stars[i].m_nZPos += nZofs;
if (stars[i].m_nZPos > m_nTotStars)
stars[i].m_nZPos -= m_nTotStars;
if (stars[i].m_nZPos < 1)
stars[i].m_nZPos += m_nTotStars;
}
}
void SetDimensions (int nWidth, int nHeight)
{
m_nCenterX = nWidth / 2;
m_nCenterY = nHeight / 2;
}
LRESULT WINAPI WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
static POINT ptLast;
static POINT ptCursor;
static BOOL fFirstTime = TRUE;
static HDC pDC;
switch (msg)
{
case WM_CREATE :
{
SetTimer (
hwnd,
APP_TIMER,
APP_TIMER_INTERVAL,
NULL);
}
break;
case WM_PAINT :
{
PAINTSTRUCT PtStr;
HDC pDC = BeginPaint (hwnd, &PtStr);
DrawStarField (pDC);
EndPaint (hwnd, &PtStr);
return (0);
}
break;
case WM_TIMER :
{
if (wParam == APP_TIMER)
{
MoveStarField (0, 0, -3);
pDC = GetDC(hwnd);
DrawStarField (pDC);
ReleaseDC(hwnd, pDC);
}
}
break;
case WM_SIZE :
{
// Change the center point of the starfield
SetDimensions (
LOWORD(lParam),
HIWORD(lParam));
}
break;
case WM_DESTROY :
{
KillTimer (hwnd, APP_TIMER);
free(stars);
PostQuitMessage (0);
return 0;
}
break;
// break out of screen-saver if any keyboard activity
case WM_NOTIFY:
case WM_SYSKEYDOWN:
{
PostMessage(hwnd, WM_CLOSE, 0, 0);
break;
}
// break out of screen-saver if any mouse activity
case WM_LBUTTONDOWN:
case WM_LBUTTONUP:
case WM_RBUTTONDOWN:
case WM_RBUTTONUP:
case WM_MBUTTONDOWN:
case WM_MBUTTONUP:
case WM_MOUSEMOVE:
{
// If we've got a parent then we must be a preview
if(GetParent(hwnd) != 0)
return 0;
if(fFirstTime)
{
GetCursorPos(&ptLast);
fFirstTime = FALSE;
}
GetCursorPos(&ptCursor);
// if the mouse has moved more than 3 pixels then exit
if( (abs(ptCursor.x - ptLast.x) >= 3) ||
(abs(ptCursor.y - ptLast.y) >= 3))
{
PostMessage(hwnd, WM_CLOSE, 0, 0);
}
ptLast = ptCursor;
return 0;
}
}
return DefWindowProc(hwnd, msg, wParam, lParam);
}
void InitSaver(HWND hwndParent)
{
WNDCLASS wc;
ZeroMemory(&wc, sizeof(wc));
wc.style = CS_HREDRAW | CS_VREDRAW;
wc.lpfnWndProc = WndProc;
wc.lpszClassName = APPNAME;
wc.hbrBackground = (HBRUSH)GetStockObject(BLACK_BRUSH);
RegisterClass(&wc);
if (hwndParent != 0)
{
RECT rect;
GetClientRect(hwndParent, &rect);
CreateWindow(APPNAME, APPNAME,
WS_VISIBLE | WS_CHILD,
0, 0,
rect.right,
rect.bottom,
hwndParent, 0,
hInstance, NULL);
fullscreen = FALSE;
}
else
{
HWND hwnd;
hwnd = CreateWindow(APPNAME, APPNAME,
WS_VISIBLE | WS_POPUP | WS_EX_TOPMOST,
0, 0,
GetSystemMetrics(SM_CXSCREEN), GetSystemMetrics(SM_CYSCREEN),
HWND_DESKTOP, 0,
hInstance, NULL);
ShowWindow(hwnd, SW_SHOWMAXIMIZED);
ShowCursor(FALSE);
fullscreen = TRUE;
}
SetUpStars(250);
}
void ParseCommandLine(PSTR szCmdLine, int *chOption, HWND *hwndParent)
{
int ch = *szCmdLine++;
if(ch == '-' || ch == '/')
ch = *szCmdLine++;
if(ch >= 'A' && ch <= 'Z')
ch += 'a' - 'A';
*chOption = ch;
ch = *szCmdLine++;
if(ch == ':')
ch = *szCmdLine++;
while(ch == ' ' || ch == '\t')
ch = *szCmdLine++;
if(isdigit(ch))
{
unsigned int i = atoi(szCmdLine - 1);
*hwndParent = (HWND)i;
}
else
*hwndParent = 0;
}
int WINAPI WinMain (HINSTANCE hInst,
HINSTANCE hPrev,
LPSTR lpCmdLine,
int iCmdShow)
{
HWND hwndParent;
UINT nPreviousState;
int chOption;
MSG Message;
hInstance = hInst;
ParseCommandLine(lpCmdLine, &chOption, &hwndParent);
SystemParametersInfo(SPI_SETSCREENSAVERRUNNING, TRUE, &nPreviousState, 0);
switch (chOption)
{
case 's':
InitSaver(0);
break;
case 'p':
InitSaver(hwndParent);
break;
case 'c':
default:
MessageBox(0,
_T("No options need to be set."),
_T("About"),
MB_OK | MB_ICONWARNING);
return 0;
}
while (GetMessage(&Message, 0, 0, 0))
DispatchMessage(&Message);
SystemParametersInfo(SPI_SETSCREENSAVERRUNNING, FALSE, &nPreviousState, 0);
return Message.wParam;
}

View file

@ -0,0 +1,13 @@
<module name="starfield" type="win32scr" installbase="system32" installname="starfield.scr">
<define name="__USE_W32API" />
<define name="__REACTOS__" />
<define name="UNICODE" />
<define name="_UNICODE" />
<library>kernel32</library>
<library>user32</library>
<library>gdi32</library>
<file>screensaver.c</file>
<file>starfield.rc</file>
</module>

View file

@ -0,0 +1,19 @@
#include <windows.h>
#include "resource.h"
LANGUAGE LANG_NEUTRAL, SUBLANG_NEUTRAL
#define REACTOS_VERSION_DLL
#define REACTOS_STR_FILE_DESCRIPTION "ReactOS Starfield ScreenSaver\0"
#define REACTOS_STR_INTERNAL_NAME "starfield\0"
#define REACTOS_STR_ORIGINAL_FILENAME "starfield.scr\0"
#include <reactos/version.rc>
LANGUAGE LANG_ENGLISH, SUBLANG_ENGLISH_US
STRINGTABLE DISCARDABLE
BEGIN
IDS_DESCRIPTION "Starfield ScreenSaver"
END

View file

@ -30,42 +30,43 @@ Signature = "$ReactOS$"
; Base files
base\applications\cacls\cacls.exe 1
base\applications\calc\calc.exe 1
base\applications\charmap\charmap.exe 1
base\applications\cmdutils\find\find.exe 1
base\applications\cmdutils\more\more.exe 1
base\applications\control\control.exe 1
base\applications\mscutils\devmgmt\devmgmt.exe 1
base\applications\games\solitaire\sol.exe 1
base\applications\games\winemine\winemine.exe 1
base\applications\hh\hh.exe 1
base\applications\hostname\hostname.exe 1
base\applications\logoff\logoff.exe 1
base\applications\msconfig\msconfig.exe 1
base\applications\network\arp\arp.exe 1
base\applications\network\route\route.exe 1
base\applications\network\finger\finger.exe 1
base\applications\network\ftp\ftp.exe 1
base\applications\network\ipconfig\ipconfig.exe 1
base\applications\network\netstat\netstat.exe 1
base\applications\network\ping\ping.exe 1
base\applications\network\telnet\telnet.exe 1
base\applications\network\tracert\tracert.exe 1
base\applications\network\whois\whois.exe 1
base\applications\notepad\notepad.exe 1
base\applications\regedit\regedit.exe 4
base\applications\regedit\clb\clb.dll 1
base\applications\sc\sc.exe 1
base\applications\screensavers\cylfrac\cylfrac.scr 1
base\applications\screensavers\logon\logon.scr 1
base\applications\screensavers\matrix\matrix.scr 1
base\applications\screensavers\scrnsave\scrnsave.scr 1
base\applications\mscutils\servman\servman.exe 1
base\applications\shutdown\shutdown.exe 1
base\applications\sndvol32\sndvol32.exe 1
base\applications\taskmgr\taskmgr.exe 1
base\applications\wordpad\wordpad.exe 1
base\applications\cacls\cacls.exe 1
base\applications\calc\calc.exe 1
base\applications\charmap\charmap.exe 1
base\applications\cmdutils\find\find.exe 1
base\applications\cmdutils\more\more.exe 1
base\applications\control\control.exe 1
base\applications\mscutils\devmgmt\devmgmt.exe 1
base\applications\games\solitaire\sol.exe 1
base\applications\games\winemine\winemine.exe 1
base\applications\hh\hh.exe 1
base\applications\hostname\hostname.exe 1
base\applications\logoff\logoff.exe 1
base\applications\msconfig\msconfig.exe 1
base\applications\network\arp\arp.exe 1
base\applications\network\route\route.exe 1
base\applications\network\finger\finger.exe 1
base\applications\network\ftp\ftp.exe 1
base\applications\network\ipconfig\ipconfig.exe 1
base\applications\network\netstat\netstat.exe 1
base\applications\network\ping\ping.exe 1
base\applications\network\telnet\telnet.exe 1
base\applications\network\tracert\tracert.exe 1
base\applications\network\whois\whois.exe 1
base\applications\notepad\notepad.exe 1
base\applications\regedit\regedit.exe 4
base\applications\regedit\clb\clb.dll 1
base\applications\sc\sc.exe 1
base\applications\screensavers\cylfrac\cylfrac.scr 1
base\applications\screensavers\logon\logon.scr 1
base\applications\screensavers\matrix\matrix.scr 1
base\applications\screensavers\scrnsave\scrnsave.scr 1
base\applications\screensavers\starfield\starfield.scr 1
base\applications\mscutils\servman\servman.exe 1
base\applications\shutdown\shutdown.exe 1
base\applications\sndvol32\sndvol32.exe 1
base\applications\taskmgr\taskmgr.exe 1
base\applications\wordpad\wordpad.exe 1
base\services\dhcp\dhcp.exe 1
base\services\eventlog\eventlog.exe 1