560 lines
11 KiB
C
560 lines
11 KiB
C
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/***************/
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/* file: blk.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 "rtns.h"
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#include "grafix.h"
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#include "blk.h"
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#include "pref.h"
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#define cbDibHeader (16*4 + sizeof(BITMAPINFOHEADER))
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BOOL fWipe = fFalse;
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extern PREF Preferences;
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extern LPSTR lpDibWall;
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extern LPSTR lpDibLvl;
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extern HDC hdcBlk;
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extern HDC hdcCor;
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extern HDC hdcMain;
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extern HBITMAP hbmpCor;
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extern LONG coDarkGreen;
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extern LONG coLiteGreen;
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extern STATUS status;
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#define icoDark 0
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#define icoLite 1
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/* CO: RESERVED RED GREEN BLUE */
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DWORD rgcoDark[coMax+1] =
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{0x007F0000, 0x0000007F, 0x007F7F00, 0x007F007F, 0x00007F7F, 0x00000000};
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DWORD rgcoLite[coMax+1] =
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{0x00FF0000, 0x000000FF, 0x00FFFF00, 0x00FF00FF, 0x0000FFFF, 0x00FFFFFF};
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DWORD rgcoFill[coMax+1] =
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{0x0000007F, 0x007F0000, 0x00007F7F, 0x007F007F, 0x007F7F00, 0x00BFBFBF};
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#define SurFromBlk(blk) ((SUR) ((blk) & 0x0007))
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COR rgmpsurcor[4][8] =
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{
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/* 000 001 010 011 100 101 110 111 */
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{corNW*4, corN*4, corNW*4, corN*4, corW*4, corFNW*4, corW*4, corF*4}, /*NW*/
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{corNE*4, corE*4, corNE*4, corE*4, corN*4, corFNE*4, corN*4, corF*4}, /*NE*/
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{corSE*4, corS*4, corSE*4, corS*4, corE*4, corFSE*4, corE*4, corF*4}, /*SE*/
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{corSW*4, corW*4, corSW*4, corW*4, corS*4, corFSW*4, corS*4, corF*4} /*SW*/
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};
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BYTE rgblknum[10][7] =
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{
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{0x0E, 0x11, 0x11, 0x11, 0x11, 0x11, 0x0E}, /* 0 */
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{0x04, 0x0C, 0x04, 0x04, 0x04, 0x04, 0x0E}, /* 1 */
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{0x1F, 0x01, 0x01, 0x1F, 0x10, 0x10, 0x1F}, /* 2 */
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{0x1F, 0x01, 0x01, 0x0F, 0x01, 0x01, 0x1F}, /* 3 */
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{0x11, 0x11, 0x11, 0x1F, 0x01, 0x01, 0x01}, /* 4 */
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{0x1F, 0x10, 0x10, 0x1F, 0x01, 0x01, 0x1F}, /* 5 */
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{0x1F, 0x10, 0x10, 0x1F, 0x11, 0x11, 0x1F}, /* 6 */
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{0x1F, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01}, /* 7 */
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{0x0E, 0x11, 0x11, 0x0E, 0x11, 0x11, 0x0E}, /* 8 */
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{0x1F, 0x11, 0x11, 0x1F, 0x01, 0x01, 0x01} /* 9 */
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};
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/*** External Data ***/
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extern HWND hwndMain;
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extern HANDLE hInst;
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extern BLK mpposblk[posMax];
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extern INT cLevel;
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/****** S E T B L K C O ******/
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/* Set Block Color */
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VOID SetBlkCo(LONG coDark, LONG coLite)
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{
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#define SetClr(clr,co) \
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{ \
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((LPBITMAPINFO)lpDibWall)->bmiColors[clr].rgbBlue = (BYTE)(co); \
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((LPBITMAPINFO)lpDibWall)->bmiColors[clr].rgbGreen = (BYTE)(co>>8); \
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((LPBITMAPINFO)lpDibWall)->bmiColors[clr].rgbRed = (BYTE)(co>>16); \
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((LPBITMAPINFO)lpDibWall)->bmiColors[clr].rgbReserved = (BYTE)(0x00); \
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}
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SetClr(icoDark,coDark);
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SetClr(icoLite,coLite);
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SetDIBits(hdcCor, hbmpCor, 0, dypCorMax,
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lpDibWall + 8 + sizeof(BITMAPINFOHEADER),
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(LPBITMAPINFO) lpDibWall, DIB_RGB_COLORS);
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}
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/****** D R A W B L K ******/
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VOID DrawBlk(INT x, INT y, BLK blk)
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{
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BitBlt(hdcMain, x, y, dxpBlk, dypBlk, hdcBlk, 0, blk<<3, SRCCOPY);
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}
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/****** D I S P L A Y B L K ******/
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VOID DisplayBlk(INT x, INT y, BLK blk)
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{
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StartDraw();
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DrawBlk(x, y, blk);
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EndDraw();
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}
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/****** D R A W C O R ******/
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/* cor must be a multiple of 4 */
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VOID DrawCor(INT x, INT y, COR cor)
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{
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#ifdef DEBUG
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if (cor & 0x0003)
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OutputDebugString("Invalid Cor\r\n");
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#endif
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BitBlt(hdcMain, x, y, dxpCor, dypCor, hdcCor, 0, cor, SRCCOPY);
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}
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/****** D R A W W A L L ******/
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VOID DrawWall(INT x, INT y, BLK blk)
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{
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INT x2, y2;
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DrawCor(x,y, rgmpsurcor[0][SurFromBlk(blk)]);
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DrawCor(x2 = x+4, y, rgmpsurcor[1][SurFromBlk(blk >>= 2)]);
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DrawCor(x2,y2 = y + 4, rgmpsurcor[2][SurFromBlk(blk >>= 2)]);
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DrawCor(x,y2, rgmpsurcor[3][SurFromBlk(blk >>= 2)]);
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}
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/****** D I S P L A Y P O S ******/
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VOID DisplayPos(POS pos)
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{
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INT x = dxpGridOff + ((pos % xMax) << 3);
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INT y = dypGridOff + ((pos / xMax) << 3);
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BLK blk;
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StartDraw();
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if ((blk = mpposblk[pos]) > blkMax)
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DrawWall(x, y, blk);
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else
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DrawBlk(x, y, blk);
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EndDraw();
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}
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/****** C L E A R B O R D E R ******/
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VOID ClearBorder(VOID)
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{
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POS pos;
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for (pos = posMax; pos--;) /* BLT !! */
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mpposblk[pos] = blkNull;
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for (pos = xMax; pos < (posMax-xMax); pos += xMax)
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mpposblk[pos] = mpposblk[pos+xMax-1] = blkWallNS;
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for (pos = xMax-1; --pos > 0;)
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mpposblk[pos] = mpposblk[(posMax-1)-pos] = blkWallEW;
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mpposblk[posNW] = blkWallNW;
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mpposblk[posNE] = blkWallNE;
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mpposblk[posSW] = blkWallSW;
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mpposblk[posSE] = blkWallSE;
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}
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/****** S E T L E V E L C O L O R ******/
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VOID SetLevelColor(VOID)
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{
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INT ico = (Preferences.fColor) ? cLevel % coMax : coMax;
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SetBlkCo(rgcoDark[ico], rgcoLite[ico]);
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}
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/****** S E T U P B O R D E R ******/
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/* Just draw the border pieces */
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VOID SetupBorder(VOID)
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{
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INT x1,x2;
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SetLevelColor();
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DrawWall(dxpGridOff, dypGridOff, blkWallNW);
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DrawWall(dxpGridOff+dxpGrid-dxpBlk, dypGridOff, blkWallNE);
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DrawWall(dxpGridOff, dypGridOff+dypGrid-dypBlk, blkWallSW);
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DrawWall(dxpGridOff+dxpGrid-dxpBlk, dypGridOff+dypGrid-dypBlk, blkWallSE);
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for (x1 = dxpBlk, x2 = dypGrid - 2*dypBlk;
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x1 < (dxpGrid/2); x1 +=dxpBlk, x2 -= dypBlk)
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{
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DrawWall(dxpGridOff + x1, dypGridOff, blkWallEW);
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DrawWall(dxpGridOff -dxpBlk + x2, dypGridOff, blkWallEW);
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DrawWall(dxpGridOff, dypGridOff + x1, blkWallNS);
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DrawWall(dxpGridOff, dypGridOff + x2, blkWallNS);
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DrawWall(dxpGridOff + x1, dypGridOff+dypGrid-dypBlk, blkWallEW);
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DrawWall(dxpGridOff -dxpBlk + x2, dypGridOff+dypGrid-dypBlk, blkWallEW);
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DrawWall(dxpGridOff+dxpGrid-dxpBlk, dypGridOff + x1, blkWallNS);
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DrawWall(dxpGridOff+dxpGrid-dxpBlk, dypGridOff + x2, blkWallNS);
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}
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}
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/****** D R A W G R I D ******/
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VOID DrawGrid(VOID)
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{
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INT x,y;
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POS pos;
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BLK blk;
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x = dxpGridOff;
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y = dypGridOff;
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for (pos = 0; pos < posMax; pos++)
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{
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blk = mpposblk[pos];
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if (blk > blkMax)
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DrawWall(x,y, blk);
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else
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DrawBlk(x,y, blk);
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if ( (x += dxpBlk) >= (dxpGridOff+dxpGrid) )
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{
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x = dxpGridOff;
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y += dypBlk;
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}
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}
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}
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/****** G E T L E V E L D A T A ******/
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/* Get the level data from the bitmap */
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VOID GetLevelData(INT lvl)
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{
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LONG FAR * lpData;
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INT x, b;
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LONG lData;
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CHAR bData;
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POS pos;
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lpData = (LONG FAR * ) (lpDibLvl + (lvl * (32 * 4)) );
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pos = posMax - (xMax + xMax - 1);
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while (pos > xMax)
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{
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lData = *lpData;
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for (b = 4; b--;)
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{
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bData = (BYTE) lData;
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lData >>= 8;
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for (x = 8; x--;)
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{
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if (!(bData & 0x80))
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mpposblk[pos] = 0x1000;
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bData <<= 1;
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pos++;
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}
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}
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lpData++;
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pos -= (xMax+xMax-1);
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}
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}
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/****** M A K E W A L L S ******/
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VOID MakeWalls(VOID)
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{
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POS pos;
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BLK blk;
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pos = posSW;
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while (pos > posNE)
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{
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if (mpposblk[--pos] != blkNull)
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{
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blk = 0x1000;
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if (mpposblk[--pos]) blk |= 0x0101;
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if (mpposblk[pos -= xMax]) blk |= 0x0002;
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if (mpposblk[++pos]) blk |= 0x0004;
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if (mpposblk[++pos]) blk |= 0x0008;
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if (mpposblk[pos += xMax]) blk |= 0x0010;
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if (mpposblk[pos += xMax]) blk |= 0x0020;
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if (mpposblk[--pos]) blk |= 0x0040;
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if (mpposblk[--pos]) blk |= 0x0080;
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mpposblk[pos -= (xMax-1)]= blk;
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}
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}
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/* Fix Border */
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for (pos = xMax; pos < (posSW-1); pos += xMax)
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{
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mpposblk[pos] &= 0x10FE; /* Left */
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mpposblk[pos+posNE] &= 0x11EF; /* Right */
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}
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for (pos = posNE-1; pos > posNW;)
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{
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blk = 0x1111;
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if (mpposblk[pos += xMax+1]) blk |= 0x0020;
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if (mpposblk[--pos]) blk |= 0x0040;
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if (mpposblk[--pos]) blk |= 0x0080;
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mpposblk[pos -= (xMax-1)] = blk; /* Top */
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blk = 0x1111;
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pos += posSW;
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if (mpposblk[pos -= (xMax-1)]) blk |= 0x0002;
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if (mpposblk[--pos]) blk |= 0x0004;
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if (mpposblk[--pos]) blk |= 0x0008;
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mpposblk[pos += (xMax+1)] = blk; /* Bottom */
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pos -= posSW;
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pos--;
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}
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if (mpposblk[posNW +xMax+1])
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mpposblk[posNW] = blkWallNW | 0x0020;
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else
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mpposblk[posNW] = blkWallNW;
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if (mpposblk[posNE +xMax-1])
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||
|
|
mpposblk[posNE] = blkWallNE | 0x0080;
|
||
|
|
else
|
||
|
|
mpposblk[posNE] = blkWallNE;
|
||
|
|
|
||
|
|
if (mpposblk[posSW-(xMax-1)])
|
||
|
|
mpposblk[posSW] = blkWallSW | 0x0008;
|
||
|
|
else
|
||
|
|
mpposblk[posSW] = blkWallSW;
|
||
|
|
|
||
|
|
if (mpposblk[posSE-(xMax+1)])
|
||
|
|
mpposblk[posSE] = blkWallSE | 0x0002;
|
||
|
|
else
|
||
|
|
mpposblk[posSE] = blkWallSE;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/****** A D D N U M ******/
|
||
|
|
|
||
|
|
VOID AddNum(POS pos, INT num)
|
||
|
|
{
|
||
|
|
INT x,y;
|
||
|
|
INT b;
|
||
|
|
|
||
|
|
for (y = 0; y < 7; y++)
|
||
|
|
{
|
||
|
|
b = rgblknum[num][y];
|
||
|
|
for (x = 0; x++ < 5;)
|
||
|
|
{
|
||
|
|
if ((b <<= 1) & 0x20)
|
||
|
|
mpposblk[pos] = 0x1000;
|
||
|
|
pos++;
|
||
|
|
}
|
||
|
|
pos += (xMax - 5);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/****** A D D L E V E L N U M ******/
|
||
|
|
|
||
|
|
VOID AddLevelNum(INT lvl)
|
||
|
|
{
|
||
|
|
AddNum(xMax*20+10, lvl/10);
|
||
|
|
AddNum(xMax*20+18, lvl%10);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
/****** D R A W D A T A ******/
|
||
|
|
|
||
|
|
VOID DrawData(VOID)
|
||
|
|
{
|
||
|
|
POS pos;
|
||
|
|
BLK blk;
|
||
|
|
INT x,y;
|
||
|
|
|
||
|
|
x = dxpGridOff+dxpBlk;
|
||
|
|
y = dypGridOff+dypBlk;
|
||
|
|
|
||
|
|
for (pos = xMax+1; pos < posMax-xMax; pos++)
|
||
|
|
{
|
||
|
|
blk = mpposblk[pos];
|
||
|
|
if (blk != blkNull)
|
||
|
|
{
|
||
|
|
DrawWall(x,y, blk);
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( (x += dxpBlk) >= (dxpGridOff+dxpGrid-dxpBlk) )
|
||
|
|
{
|
||
|
|
x = dxpGridOff+dxpBlk;
|
||
|
|
y += dypBlk;
|
||
|
|
pos += 2;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/****** W I P E C L E A R ******/
|
||
|
|
|
||
|
|
VOID WipeClear(VOID)
|
||
|
|
{
|
||
|
|
LONG co = rgcoFill[ Preferences.fColor ? (cLevel % coMax) : coMax];
|
||
|
|
LONG lco = co & 0x00030303;
|
||
|
|
INT dxp = dxpGridOff+dxpBlk;
|
||
|
|
INT dyp = dypGridOff+dypBlk;
|
||
|
|
INT dxp2;
|
||
|
|
HBRUSH hbrush, hbrush2;
|
||
|
|
|
||
|
|
fWipe = fTrue;
|
||
|
|
|
||
|
|
SelectObject(hdcMain, GetStockObject(NULL_PEN));
|
||
|
|
hbrush = SelectObject(hdcMain, CreateSolidBrush(co));
|
||
|
|
|
||
|
|
for (dxp2 = dxp;
|
||
|
|
dxp < (dxpGridOff + dxpGrid - dxpBlk);
|
||
|
|
dxp = dxp2, dyp += dypBlk)
|
||
|
|
{
|
||
|
|
dxp2 += dxpBlk;
|
||
|
|
hbrush2 = SelectObject(hdcMain, CreateSolidBrush(co));
|
||
|
|
if (hbrush2)
|
||
|
|
DeleteObject(hbrush2);
|
||
|
|
Rectangle(hdcMain, dxpGridOff+dxpBlk, dyp, dxp2+1, dyp + dypBlk+1);
|
||
|
|
Rectangle(hdcMain, dxp, dypGridOff+dypBlk, dxp2+1, dyp+1);
|
||
|
|
co -= lco;
|
||
|
|
}
|
||
|
|
hbrush2 = SelectObject(hdcMain, CreateSolidBrush(co));
|
||
|
|
if (hbrush2)
|
||
|
|
DeleteObject(hbrush2);
|
||
|
|
Rectangle(hdcMain, dxpGridOff+dxpBlk, dyp, dxp2+1, dyp+dxpBlk+1);
|
||
|
|
|
||
|
|
hbrush2 = SelectObject(hdcMain, hbrush);
|
||
|
|
if (hbrush2)
|
||
|
|
DeleteObject(hbrush2);
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
/****** S E T U P L E V E L D A T A ******/
|
||
|
|
|
||
|
|
VOID SetupLevelData(VOID)
|
||
|
|
{
|
||
|
|
StartDraw();
|
||
|
|
ClearBorder();
|
||
|
|
SetupBorder();
|
||
|
|
EndDraw();
|
||
|
|
|
||
|
|
GetLevelData(cLevel % lvlMax);
|
||
|
|
MakeWalls();
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/****** D I S P L A Y L E V E L N U M ******/
|
||
|
|
|
||
|
|
VOID DrawLevelNum(VOID)
|
||
|
|
{
|
||
|
|
if (cLevel > 98)
|
||
|
|
cLevel = 0;
|
||
|
|
ClearBorder();
|
||
|
|
SetupBorder();
|
||
|
|
WipeClear();
|
||
|
|
GetLevelData(lvlLevel);
|
||
|
|
AddLevelNum(cLevel+1);
|
||
|
|
MakeWalls();
|
||
|
|
SetBlkCo(coDarkGreen, coLiteGreen);
|
||
|
|
DrawData();
|
||
|
|
DrawTime();
|
||
|
|
DrawLives();
|
||
|
|
}
|
||
|
|
|
||
|
|
VOID DisplayLevelNum(VOID)
|
||
|
|
{
|
||
|
|
StartDraw();
|
||
|
|
DrawLevelNum();
|
||
|
|
EndDraw();
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/****** D I S P L A Y G A M E O V E R ******/
|
||
|
|
|
||
|
|
VOID DrawGameOver(VOID)
|
||
|
|
{
|
||
|
|
ClearBorder();
|
||
|
|
SetupBorder();
|
||
|
|
WipeClear();
|
||
|
|
GetLevelData(lvlGameOver);
|
||
|
|
MakeWalls();
|
||
|
|
SetBlkCo(coDarkGreen, coLiteGreen);
|
||
|
|
DrawData();
|
||
|
|
}
|
||
|
|
|
||
|
|
VOID DisplayGameOver(VOID)
|
||
|
|
{
|
||
|
|
StartDraw();
|
||
|
|
DrawGameOver();
|
||
|
|
EndDraw();
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
VOID ReWipe(VOID)
|
||
|
|
{
|
||
|
|
if (FPlay())
|
||
|
|
{
|
||
|
|
POS pos;
|
||
|
|
BLK mpposblk2[posMax]; /* A copy of the playing grid */
|
||
|
|
|
||
|
|
for (pos=posMax; --pos >= 0;)
|
||
|
|
mpposblk2[pos] = mpposblk[pos];
|
||
|
|
DrawLevelNum();
|
||
|
|
for (pos=posMax; --pos >= 0;)
|
||
|
|
mpposblk[pos] = mpposblk2[pos];
|
||
|
|
}
|
||
|
|
else
|
||
|
|
DrawGameOver();
|
||
|
|
}
|