*--------------------chess.c----------------------*/ #include "dos.h"#include "stdio.h"/*----------------------------------------------------*/ #define RED 7#define BLACK 14#define true 1#define false 0#define SELECT 0#define MOVE 1#define RED_UP 0x1100#define RED_DOWN 0x1f00#define RED_LEFT 0x1e00#define RED_RIGHT 0x2000#define RED_DO 0x3900#define RED_UNDO 0x1000#define BLACK_UP 0x4800#define BLACK_DOWN 0x5000#define BLACK_LEFT 0x4b00#define BLACK_RIGHT 0x4d00#define BLACK_DO 0x1c00#define BLACK_UNDO 0x2b00#define ESCAPE 0x0100#define RED_JU 1#define RED_MA 2#define RED_XIANG 3#define RED_SHI 4#define RED_JIANG 5#define RED_PAO 6#define RED_BIN 7#define BLACK_JU 8#define BLACK_MA 9#define BLACK_XIANG 10#define BLACK_SHI 11#define BLACK_JIANG 12#define BLACK_PAO 13#define BLACK_BIN 14/*----------------------------------------------------*/ int firsttime=1;int savemode;char page_new=0,page_old=0;int finish=false,turn=BLACK,winner=0;int key;int redstate=SELECT,blackstate=SELECT;int board[10][9];/*----------------------------------------------------*/char *chessfile[15]={"","bmp\\rju.wfb", "bmp\\rma.wfb", "bmp\\rxiang.wfb","bmp\\rshi.wfb","bmp\\rjiang.wfb","bmp\\rpao.wfb","bmp\\rbin.wfb","bmp\\bju.wfb", "bmp\\bma.wfb", "bmp\\bxiang.wfb","bmp\\bshi.wfb","bmp\\bjiang.wfb","bmp\\bpao.wfb","bmp\\bbin.wfb"};char *boardfile[10][9]={{"bmp\\11.wfb","bmp\\1t.wfb","bmp\\1t.wfb","bmp\\14.wfb","bmp\\15.wfb","bmp \\16.wfb","bmp\\1t.wfb","bmp\\1t.wfb","bmp\\19.wfb"},{"bmp\\21.wfb","bmp\\2c.wfb","bmp\\2c.wfb","bmp\\24.wfb","bmp\\25.wfb","bm p\\26.wfb","bmp\\2c.wfb","bmp\\2c.wfb","bmp\\29.wfb"},{"bmp\\21.wfb","bmp\\3a.wfb","bmp\\3t.wfb","bmp\\34.wfb","bmp\\3t.wfb","bmp \\36.wfb","bmp\\3t.wfb","bmp\\3a.wfb","bmp\\29.wfb"},{"bmp\\41.wfb","bmp\\4t.wfb","bmp\\4a.wfb","bmp\\4t.wfb","bmp\\4a.wfb","bmp \\4t.wfb","bmp\\4a.wfb","bmp\\4t.wfb","bmp\\49.wfb"},{"bmp\\51.wfb","bmp\\52.wfb","bmp\\5t.wfb","bmp\\54.wfb","bmp\\5t.wfb","bmp\\56.wfb","bmp\\5t.wfb","bmp\\58.wfb","bmp\\59.wfb"},{"bmp\\61.wfb","bmp\\62.wfb","bmp\\6t.wfb","bmp\\64.wfb","bmp\\6t.wfb","bmp \\66.wfb","bmp\\6t.wfb","bmp\\68.wfb","bmp\\69.wfb"},{"bmp\\71.wfb","bmp\\7t.wfb","bmp\\7a.wfb","bmp\\7t.wfb","bmp\\7a.wfb","bmp \\7t.wfb","bmp\\7a.wfb","bmp\\7t.wfb","bmp\\79.wfb"},{"bmp\\81.wfb","bmp\\8a.wfb","bmp\\8t.wfb","bmp\\84.wfb","bmp\\85.wfb","bmp \\86.wfb","bmp\\8t.wfb","bmp\\8a.wfb","bmp\\89.wfb"},{"bmp\\91.wfb","bmp\\9t.wfb","bmp\\9t.wfb","bmp\\9t.wfb","bmp\\95.wfb","bmp\ \9t.wfb","bmp\\9t.wfb","bmp\\9t.wfb","bmp\\99.wfb"},{"bmp\\101.wfb","bmp\\102.wfb","bmp\\102.wfb","bmp\\104.wfb","bmp\\105.wfb ","bmp\\106.wfb","bmp\\108.wfb","bmp\\108.wfb","bmp\\109.wfb"}};char cursor[14][14]={0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,1,1,1,0,255,255,255,255,255,255,255,0,0,1,1,1,1,0,255,255,255,255,255,255,0,0,1,1,1,1,1,0,255,255,255,255,255,255,0,0,1,1,1,1,1,0,255,255,255,255,255,255,255,0,0,1,1,1,1,0,255,255,255,255,255,255,255,255,0,0,1,1,1,0,255,255,255,255,255,255,255,255,255,0,0,1,1,0,255,255,0,255,255,255,255,255,255,255,0,0,1,0,255,0,1,1,0,255,255,255,255,255,255,255,0,0,0,1,1,1,1,0,255,255,255,255,255,0,1,0,1,1,1,1,1,1,0,255,255,255,0,1,1,1,1,1,1,1,1,1,1,0,255,0,1,1,1,1,1,1,1,1,1,1,1,1,0,1,1,1,1};struct pos{int x;int y;}position[10][9],redcurpos,redtemppos,redoldpos,blackcurpos,blacktemppos,black oldpos;/*----------------------------------------------------*/selectpage(register char page) /*换页函数*/{union REGS r;r.x.ax=0x4f05;r.x.bx=0;r.x.dx=page; /*选择页面*/int86(0x10,&r,&r);}unsigned char set_SVGA_mode(int vmode) /*设置SVGA屏幕模式*/ {union REGS r;r.x.ax=0x4f02;r.x.bx=vmode;int86(0x10,&r,&r);return(r.h.ah);}unsigned int get_SVGA_mode() /*获取当前SVGA屏幕模式*/{union REGS r;r.x.ax=0x4f03;int86(0x10,&r,&r);return(r.x.bx);}drawbmp(int start_x,int start_y,char filename[]){char buffer[640];int i,j,k,n,r,g,b,width,length;long position;FILE *fp;if((fp=fopen(filename,"rb"))==NULL) {printf("Error! Can't open file!"); getch();return;}fseek(fp,28,SEEK_SET);fread(&i,2,1,fp);if(i!=8) /*检查是否为256色位图*/ {puts("Error!Can't find bitmap!"); fclose(fp);getch();exit(0);}fseek(fp,18,SEEK_SET);fread(&width,4,1,fp);fread(&length,4,1,fp);if(firsttime){fseek(fp,54,SEEK_SET);for(i=0;i<256;i++) /*按照该图片的DAC色表设置色彩寄存器*/ {b=fgetc(fp);g=fgetc(fp);r=fgetc(fp); /*获取R、G、B分量*/ outportb(0x3c8,i);outportb(0x3c9,r>>2); /*右移是要转化为VGA的6位寄存器形式*/ outportb(0x3c9,g>>2);outportb(0x3c9,b>>2);fgetc(fp);}}elsefseek(fp,300,SEEK_SET);k=(width%4)?(4-width%4):0; /*宽度修正值*/for(j=length-1+start_x;j>=start_x;j--){fread(buffer,width,1,fp);for(i=start_y,n=0;i<width+start_y;i++,n++){position=j*640l+i; /*计算要显示点的显存位置*/page_new=position/65536; /*计算显示页*/if(page_new!=page_old) /*当显示页不同时更换页面，提高一定的输出速度*/ {selectpage(page_new);page_old=page_new;}pokeb(0xa000,position%65536,buffer[n]); /*写到显存位置*/}fseek(fp,k,SEEK_CUR); /*每行绘制完后修正宽度*/}fclose(fp);}init(){savemode=get_SVGA_mode(); /*先保存原来的屏幕模式*/set_SVGA_mode(0x101); /*硬件无关性初始化屏幕为640*480 256色模式*/ }end(){set_SVGA_mode(savemode); /*恢复屏幕*/}/*----------------------------------------------------*/initpos(){int i,j;for(i=0;i<10;i++)for (j=0;j<9;j++){position[i][j].x=35+i*39; position[i][j].y=43+j*40;}}initchessmap(){board[0][0]=BLACK_JU; board[0][1]=BLACK_MA; board[0][2]=BLACK_XIANG; board[0][3]=BLACK_SHI; board[0][4]=BLACK_JIANG; board[0][5]=BLACK_SHI; board[0][6]=BLACK_XIANG; board[0][7]=BLACK_MA; board[0][8]=BLACK_JU; board[2][1]=BLACK_PAO; board[2][7]=BLACK_PAO;board[3][0]=BLACK_BIN; board[3][2]=BLACK_BIN; board[3][4]=BLACK_BIN; board[3][6]=BLACK_BIN; board[3][8]=BLACK_BIN;board[9][0]=RED_JU; board[9][1]=RED_MA; board[9][2]=RED_XIANG; board[9][3]=RED_SHI; board[9][4]=RED_JIANG; board[9][5]=RED_SHI; board[9][6]=RED_XIANG; board[9][7]=RED_MA; board[9][8]=RED_JU; board[7][1]=RED_PAO; board[7][7]=RED_PAO; board[6][0]=RED_BIN; board[6][2]=RED_BIN; board[6][4]=RED_BIN; board[6][6]=RED_BIN; board[6][8]=RED_BIN;}initdrawchess(){int i,j;;for(i=0;i<10;i++)for(j=0;j<9;j++){if(board[i][j])drawbmp(position[i][j].x,position[i][j].y,chessfile[board[i][j]]); }}drawcursor(struct pos p){int i,j,n,m,x,y;long thisposition;x=position[p.x][p.y].x+20;y=position[p.x][p.y].y+25;for(j=13-1+x,m=13;j>=x;j--,m--){for(i=y,n=0;i<13+y;i++,n++){thisposition=j*640l+i; /*计算要显示点的显存位置*/page_new=thisposition/65536; /*计算显示页*/if(page_new!=page_old) /*当显示页不同时更换页面，提高一定的输出速度*/ {selectpage(page_new);page_old=page_new;}if(cursor[m][n]!=1)if(cursor[m][n]==0)pokeb(0xa000,thisposition%65536,0);elseif(turn==RED)pokeb(0xa000,thisposition%65536,153);elsepokeb(0xa000,thisposition%65536,255);}}}drawselecursor(struct pos p){int i,j,n,m,x,y;long thisposition;x=position[p.x][p.y].x+20;y=position[p.x][p.y].y+25;for(j=13-1+x,m=13;j>=x;j--,m--){for(i=y,n=0;i<13+y;i++,n++){thisposition=j*640l+i; /*计算要显示点的显存位置*/page_new=thisposition/65536; /*计算显示页*/if(page_new!=page_old) /*当显示页不同时更换页面，提高一定的输出速度*/ {selectpage(page_new);page_old=page_new;}if(cursor[m][n]!=1)pokeb(0xa000,thisposition%65536,0);}}}/*----------------------------------------------------*/int getkey(){int press;while(bioskey(1) == 0);press=bioskey(0);press=press&0xff00;return(press);}/*--------------------红方操作--------------------*/ int redcanselect(){int x,y;x=redcurpos.x;y=redcurpos.y;if(board[x][y]>=RED_JU&&board[x][y]<=RED_BIN) return 1;elsereturn 0;}int redcanmove(){int i,j,min,max,oldx,oldy,x,y;oldx=redoldpos.x;oldy=redoldpos.y;x=redcurpos.x;y=redcurpos.y;/*case1 目标位置是否是自己人*/if(board[x][y]>=RED_JU&&board[x][y]<=RED_BIN) return 0;/* 军、马、炮、相、士、将、卒的走法正确性的判断*/ switch(board[oldx][oldy]){case RED_BIN: /*完成*/if(oldx>=5){ if(y!=oldy||(oldx-x)!=1) return 0;}else{ if(x==(oldx-1)&&y==oldy) return 1;elseif(x==oldx&&y==(oldy+1)) return 1;elseif(x==oldx&&y==(oldy-1)) return 1;elsereturn 0;}break;case RED_JIANG: /*完成*/if(x!=oldx&&y!=oldy) return 0;if(x!=oldx)if((x-oldx)>1||(oldx-x)>1) return 0;else if(x<7) return 0;else if(y!=oldy)if((y-oldy)>1||(oldy-y)>1) return 0;else if(y<3||y>5) return 0;break;case RED_JU: /*完成*/if(x!=oldx&&y!=oldy) return 0;else if(x!=oldx){ min=(x>oldx)?oldx:x;max=(x>oldx)?x:oldx;for(i=min+1;i<max;i++)if(board[i][y]!=0) return 0;}else if(y!=oldy){ min=(y>oldy)?oldy:y;max=(y>oldy)?y:oldy;for(i=min+1;i<max;i++)if(board[x][i]!=0) return 0;}break;case RED_MA: /*完成*/if((x-oldx)==2&&((y-oldy)==1||(oldy-y)==1)) {if(board[oldx+1][oldy]!=0) return 0;}elseif((oldx-x)==2&&((y-oldy)==1||(oldy-y)==1)) {if(board[oldx-1][oldy]!=0) return 0;}elseif((y-oldy)==2&&((x-oldx)==1||(oldx-x)==1)) {if(board[oldx][oldy+1]!=0) return 0;}elseif((oldy-y)==2&&((x-oldx)==1||(oldx-x)==1)) {if(board[oldx][oldy-1]!=0) return 0;}elsereturn 0;break;case RED_PAO: /*完成*/if(x!=oldx&&y!=oldy) return 0;if(board[x][y]==0){if(x!=oldx){ min=(x>oldx)?oldx:x;for(i=min+1;i<max;i++)if(board[i][y]!=0) return 0; }else if(y!=oldy){ min=(y>oldy)?oldy:y; max=(y>oldy)?y:oldy;for(i=min+1;i<max;i++)if(board[x][i]!=0) return 0; }}else{if(x!=oldx){ min=(x>oldx)?oldx:x; max=(x>oldx)?x:oldx;for(i=min+1,j=0;i<max;i++) if(board[i][y]!=0) j++;if(j!=1) return 0;}else if(y!=oldy){ min=(y>oldy)?oldy:y;for(i=min+1,j=0;i<max;i++) if(board[x][i]!=0) j++;if(j!=1) return 0;}}break;case RED_SHI: /*完成*/if(oldx==9||oldx==7){if(x!=8||y!=4) return 0;} else if(oldx==8){if(x==9&&y==3) return 1; elseif(x==9&&y==5) return 1; elseif(x==7&&y==3) return 1; elseif(x==7&&y==5) return 1; else return 0;}else return 0;break;case RED_XIANG: /*完成*/* * if(x<5) return 0;if(x!=oldx&&y!=oldy){if((x-oldx)==2&&(y-oldy)==2){i=oldx+1;j=oldy+1;}else if((x-oldx)==2&&(oldy-y)==2){i=oldx+1;j=oldy-1;}else if((oldx-x)==2&&(y-oldy)==2){i=oldx-1;j=oldy+1;}else if((oldx-x)==2&&(oldy-y)==2){i=oldx-1;j=oldy-1;}else return 0;if(board[i][j]!=0) return 0;}else return 0;break;}return 1;}。