168 lines
2.9 KiB
C
168 lines
2.9 KiB
C
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/**********/
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/* util.c */
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/**********/
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#define _WINDOWS
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#include <windows.h>
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#include <port1632.h>
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#include "snake.h"
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#include "res.h"
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#include "pref.h"
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#include "util.h"
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#include "string.h"
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#include "stdio.h"
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#include "stdlib.h"
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#include "dos.h"
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extern INT dypBorder;
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extern INT dxpBorder;
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extern INT dypCaption;
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extern INT dypMenu;
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extern CHAR szClass[cchNameMax];
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extern HANDLE hInst;
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extern HWND hwndMain;
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extern HMENU hMenu;
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extern BOOL fEGA;
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extern PREF Preferences;
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VOID APIENTRY AboutWEP(HWND hwnd, HICON hicon, LPSTR lpTitle, LPSTR lpCredit);
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/****** R N D ******/
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/* Return a random number between 0 and rndMax */
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INT Rnd(INT rndMax)
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{
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return (rand() % rndMax);
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}
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/****** R E P O R T E R R ******/
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/* Report and error and exit */
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VOID ReportErr(WORD idErr)
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{
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CHAR szMsg[cchMsgMax];
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CHAR szMsgTitle[cchMsgMax];
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if (idErr < ID_ERR_MAX)
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LoadString(hInst, idErr, szMsg, cchMsgMax);
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else
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{
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LoadString(hInst, ID_ERR_UNKNOWN, szMsgTitle, cchMsgMax);
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wsprintf(szMsg, szMsgTitle, idErr);
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}
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LoadString(hInst, ID_ERR_TITLE, szMsgTitle, cchMsgMax);
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MessageBox(NULL, szMsg, szMsgTitle, MB_OK | MB_ICONHAND);
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}
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/****** L O A D S Z ******/
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VOID LoadSz(WORD id, CHAR * sz)
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{
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if (LoadString(hInst, id, (LPSTR) sz, cchMsgMax) == 0)
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ReportErr(1001);
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}
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/****** I N I T C O N S T ******/
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VOID InitConst(VOID)
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{
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srand(LOWORD(GetCurrentTime()));
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LoadSz(ID_GAMENAME, szClass);
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fEGA = GetSystemMetrics(SM_CYSCREEN) == 350;
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dypCaption = GetSystemMetrics(SM_CYCAPTION) + 1;
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dypMenu = GetSystemMetrics(SM_CYMENU) + 1;
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dypBorder = GetSystemMetrics(SM_CYBORDER) + 1;
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dxpBorder = GetSystemMetrics(SM_CXBORDER) + 1;
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}
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/* * * * * * M E N U S * * * * * */
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/****** C H E C K E M ******/
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VOID CheckEm(WORD idm, BOOL fCheck)
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{
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CheckMenuItem(hMenu, idm, fCheck ? MF_CHECKED : MF_UNCHECKED);
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}
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/****** S E T M E N U B A R ******/
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VOID SetMenuBar(INT fActive)
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{
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Preferences.fMenu = fActive;
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FixMenus();
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SetMenu(hwndMain, FMenuOn() ? hMenu : NULL);
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AdjustWindow(fResize);
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}
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/****** D O A B O U T ******/
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VOID DoAbout(VOID)
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{
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CHAR szVersion[cchMsgMax];
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CHAR szCredit[cchMsgMax];
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LoadSz(ID_MSG_VERSION, szVersion);
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LoadSz(ID_MSG_CREDIT, szCredit);
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AboutWEP(hwndMain, LoadIcon(hInst, MAKEINTRESOURCE(ID_ICON_MAIN)),
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szVersion, szCredit);
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}
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/****** D O H E L P ******/
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VOID DoHelp(UINT wCommand, ULONG_PTR lParam)
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{
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CHAR szHelpFile[cchMaxPathname];
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CHAR * pch;
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pch = szHelpFile + GetModuleFileName(hInst, szHelpFile, cchMaxPathname);
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if ( ((pch-szHelpFile) > 4) && (*(pch-4) == '.') )
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pch -= 4;
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lstrcpy((LPSTR) pch, (LPSTR) ".HLP");
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WinHelp(hwndMain, szHelpFile, wCommand, lParam);
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}
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/****** G E T D L G I N T ******/
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INT GetDlgInt(HWND hDlg, INT dlgID, INT numLo, INT numHi)
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{
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INT num;
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BOOL fFlag;
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num = GetDlgItemInt(hDlg, dlgID, &fFlag, fFalse);
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if (num < numLo)
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num = numLo;
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else if (num > numHi)
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num = numHi;
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return num;
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}
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