Source code of Windows XP (NT5)
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568 lines
9.1 KiB

/****************************************************************************
PROGRAM: Snake (a.k.a. Centipede, Train...)
****************************************************************************/
#define _WINDOWS
#include <windows.h>
#include <port1632.h>
#include "snake.h"
#include "rtns.h"
#include "grafix.h"
#include "util.h"
#include "res.h"
#include "pref.h"
#include "blk.h"
#include "context.h"
#include "string.h"
#include "stdio.h"
#include "dos.h"
#ifndef WM_ENTERMENULOOP
#define WM_ENTERMENULOOP 0x0211
#define WM_EXITMENULOOP 0x0212
#endif
HANDLE hInst;
HWND hwndMain;
HMENU hMenu;
STATUS status = fstatusIcon;
INT dxpWindow;
INT dypWindow;
INT dypCaption;
INT dypMenu;
INT dypAdjust;
INT dypBorder;
INT dxpBorder;
BOOL fLocalPause = fFalse;
BOOL fEGA;
CHAR szClass[cchNameMax];
#define szWindowTitle szClass
extern INT ctickTimeMac;
extern INT ctickMoveMac;
extern INT cLevel;
extern PREF Preferences;
extern BOOL fUpdateIni;
INT_PTR APIENTRY LevelDlgProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam);
/****** W I N M A I N ******/
MMain(hInstance, hPrevInstance, lpCmdLine, nCmdShow)
/* { */
MSG msg;
HANDLE hAccel;
hInst = hInstance;
InitConst();
#ifdef WIN16
if (hPrevInstance)
{
HWND hWnd = FindWindow(szClass, NULL);
hWnd = GetLastActivePopup(hWnd);
BringWindowToTop(hWnd);
if (IsIconic(hWnd))
ShowWindow(hWnd, SW_RESTORE);
return fFalse;
}
#endif
{
WNDCLASS wc;
wc.style = 0;
wc.lpfnWndProc = MainWndProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
wc.hInstance = hInst;
wc.hIcon = LoadIcon(hInst, MAKEINTRESOURCE(ID_ICON_MAIN));
wc.hCursor = LoadCursor(NULL, IDC_ARROW);
wc.hbrBackground = GetStockObject(LTGRAY_BRUSH);
wc.lpszMenuName = NULL;
wc.lpszClassName = szClass;
if (!RegisterClass(&wc))
return fFalse;
}
#ifdef NOSERVER /* Not in final release */
{
CHAR szFile[256];
GetModuleFileName(hInst, szFile, 250);
if (szFile[0] > 'C')
{
szFile[0] = 'X';
if (!strcmp(szFile, "X:\\WINGAMES\\SNAKE\\SNAKE.EXE"))
{
MessageBox(GetFocus(),
"Please copy snake to your machine and run it from there.",
"NO NO NO NO NO",
MB_OK);
return fFalse;
}
}
}
#endif
#ifdef EXPIRE /*** Not in final release ***/
{
struct dosdate_t ddt;
_dos_getdate(&ddt);
if ((ddt.month + ddt.year*12) > (8 + 1990*12))
{
MessageBox(GetFocus(),
"This game has expired. Please obtain an official copy from the Windows Entertainment Package.",
"SORRY",
MB_OK);
return fFalse;
}
}
#endif
hMenu = LoadMenu(hInst, MAKEINTRESOURCE(ID_MENU));
hAccel = LoadAccelerators(hInst, MAKEINTRESOURCE(ID_MENU_ACCEL));
ReadPreferences();
AdjustWindow(fCalc);
hwndMain = CreateWindow(szClass, szWindowTitle,
WS_OVERLAPPED | WS_MINIMIZE | WS_MINIMIZEBOX | WS_CAPTION | WS_SYSMENU,
Preferences.xWindow-dxpBorder, Preferences.yWindow-dypAdjust,
dxpWindow + dxpBorder, dypWindow + dypAdjust,
NULL, NULL, hInst, NULL);
if (!hwndMain)
{
ReportErr(1000);
return fFalse;
}
if (SetTimer(hwndMain, ID_TIMER, 50 , NULL) == 0)
{
ReportErr(ID_ERR_TIMER);
return fFalse;
}
if (!FInitLocal())
{
ReportErr(ID_ERR_MEM);
return fFalse;
}
SetMenuBar(Preferences.fMenu);
ShowWindow(hwndMain, SW_SHOWNORMAL);
UpdateWindow(hwndMain);
StartGame(cLevel);
while (GetMessage(&msg, NULL, 0, 0))
{
if (!TranslateAccelerator(hwndMain, hAccel, &msg))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
}
CleanUp();
if (fUpdateIni)
WritePreferences();
return (INT)(msg.wParam);
}
/****** F I X M E N U S ******/
VOID FixMenus(VOID)
{
CheckEm(IDM_SOUND, Preferences.fSound);
CheckEm(IDM_COLOR, Preferences.fColor);
CheckEm(IDM_BEGIN, Preferences.skill == skillBegin);
CheckEm(IDM_INTER, Preferences.skill == skillInter);
CheckEm(IDM_EXPERT, Preferences.skill == skillExpert);
}
/****** D O G E T R O O M ******/
VOID DoGetRoom(VOID)
{
fLocalPause = fTrue;
DialogBox(hInst, MAKEINTRESOURCE(ID_DLG_LEVEL), hwndMain, LevelDlgProc);
fLocalPause = fFalse;
StartGame(cLevel);
}
/****** M A I N W N D P R O C ******/
LRESULT APIENTRY MainWndProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
switch (message)
{
// case WM_QUERYENDSESSION:
case WM_DESTROY:
//LExit:
KillTimer(hwndMain, ID_TIMER);
DoHelp(HELP_QUIT, 0L);
PostQuitMessage(0);
break;
case WM_SYSCOMMAND:
switch (wParam & 0xFFF0)
{
case SC_MINIMIZE:
SetStatusPause();
SetStatusIcon();
break;
case SC_RESTORE:
ClrStatusPause();
ClrStatusIcon();
break;
default:
break;
}
break;
case WM_COMMAND:
switch (GET_WM_COMMAND_ID(wParam, lParam))
{
/** GAME **/
case IDM_NEW:
StartGame(cLevel);
break;
case IDM_PAUSE:
if (FPause())
ClrStatusPause();
else
SetStatusPause();
CheckEm(IDM_PAUSE, FPause());
break;
case IDM_ROOM:
DoGetRoom();
break;
case IDM_EXIT:
ShowWindow(hwndMain, SW_HIDE);
#ifdef ORGCODE
goto LExit;
#else
SendMessage(hwndMain, WM_SYSCOMMAND, SC_CLOSE, 0);
return(0);
#endif
// break;
/** SKILL **/
case IDM_BEGIN:
case IDM_INTER:
case IDM_EXPERT:
Preferences.skill = (INT) wParam - IDM_BEGIN;
StartGame(cLevel);
goto LUpdateMenu;
/** OPTIONS **/
case IDM_COLOR:
Preferences.fColor = !Preferences.fColor;
FreeBitmaps();
if (!FLoadBitmaps())
{
ReportErr(ID_ERR_MEM);
#ifdef ORGCODE
goto LExit;
#else
SendMessage(hwndMain, WM_SYSCOMMAND, SC_CLOSE, 0);
return(0);
#endif
}
DisplayScreen();
goto LUpdateMenu;
case IDM_SOUND:
Preferences.fSound = !Preferences.fSound;
/* IE goto LUpdateMenu; */
LUpdateMenu:
fUpdateIni = fTrue;
FixMenus();
break;
/** HELP **/
case IDM_INDEX:
DoHelp(HELP_INDEX, 0L);
break;
case IDM_HOW2PLAY:
DoHelp(HELP_CONTEXT, HLP_HOWTOPLAY);
break;
case IDM_COMMANDS:
DoHelp(HELP_CONTEXT, HLP_COMMANDS);
break;
case IDM_HELP_HELP:
DoHelp(HELP_HELPONHELP, 0L);
break;
case IDM_HELP_ABOUT:
DoAbout();
return 0;
default:
break;
}
/*** KEYS ***/
case WM_KEYDOWN:
switch (wParam)
{
case VK_ESCAPE:
PostMessage(hwndMain, WM_SYSCOMMAND, SC_MINIMIZE, 0L);
break;
case VK_UP:
DoChangeDir(dirN);
break;
case VK_DOWN:
DoChangeDir(dirS);
break;
case VK_LEFT:
DoChangeDir(dirW);
break;
case VK_RIGHT:
DoChangeDir(dirE);
break;
case VK_F5:
if (FMenuSwitchable())
SetMenuBar(fmenuOff);
break;
case VK_F6:
if (FMenuSwitchable())
SetMenuBar(fmenuOn);
break;
default:
break;
}
break;
case WM_CHAR:
switch (wParam)
{
case 'A':
case 'a':
case '8':
case 'i':
case 'I':
DoChangeDir(dirN);
break;
case 'Z':
case 'z':
case '2':
case '5':
case 'k':
case 'K':
DoChangeDir(dirS);
break;
case ',':
case '4':
case 'j':
case 'J':
DoChangeDir(dirW);
break;
case '.':
case '6':
case 'l':
case 'L':
DoChangeDir(dirE);
break;
#ifdef DEBUG
case '+':
case '=':
if (ctickMoveMac > 1)
ctickMoveMac--;
break;
case '-':
case '_':
ctickMoveMac++;
break;
case ';':
cLevel++;
StartLevel();
break;
#endif
default:
break;
}
break;
case WM_LBUTTONDOWN:
if (Preferences.fMouse)
DoChangeRelDir(dirLft);
break;
case WM_RBUTTONDOWN:
if (Preferences.fMouse)
DoChangeRelDir(dirRht);
break;
case WM_TIMER:
if (!FPause() && !fLocalPause)
DoTimer();
return 0;
case WM_PAINT:
{
PAINTSTRUCT ps;
HDC hDC = BeginPaint(hwnd,&ps);
DrawScreen(hDC);
EndPaint(hwnd, &ps);
}
return 0;
case WM_ENTERMENULOOP:
fLocalPause = fTrue;
break;
case WM_EXITMENULOOP:
fLocalPause = fFalse;
break;
case WM_ACTIVATE:
if (GET_WM_ACTIVATE_STATE(wParam, lParam) == 0)
fLocalPause = fTrue;
else
fLocalPause = fFalse;
break;
case WM_MOVE:
if (!FIcon())
{
Preferences.xWindow = 1+LOWORD(lParam);
Preferences.yWindow = 1+HIWORD(lParam);
}
break;
default:
break;
}
return (DefWindowProc(hwnd, message, wParam, lParam));
}
/*** L E V E L D L G P R O C ***/
INT_PTR APIENTRY LevelDlgProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
switch (message)
{
case WM_INITDIALOG:
SetDlgItemInt(hDlg, ID_EDIT_LEVEL, 10, fFalse);
return (fTrue);
case WM_COMMAND:
switch(GET_WM_COMMAND_ID(wParam, lParam))
{
case ID_BTN_OK:
case IDOK:
cLevel = GetDlgInt(hDlg, ID_EDIT_LEVEL, 1, 50) -1;
/* Fall Through & Exit */
case ID_BTN_CANCEL:
case IDCANCEL:
EndDialog(hDlg, fTrue); /* Exits the dialog box */
return fTrue;
default:
break;
}
}
return (fFalse); /* Didn't process a message */
(lParam);
}
/****** A D J U S T W I N D O W ******/
VOID AdjustWindow(INT fAdjust)
{
dypAdjust = dypCaption;
if (FMenuOn())
dypAdjust += dypMenu;
dxpWindow = dxpGridOff + dxpGrid;
dypWindow = dypGridOff + dypGrid;
if (fAdjust & fResize)
{
MoveWindow(hwndMain, Preferences.xWindow - dxpBorder,
Preferences.yWindow - dypAdjust,
dxpWindow+dxpBorder, dypWindow + dypAdjust, fTrue);
}
}