File content as of revision 2:ce24c50fc0a6:

#include "mbed.h"
#include "N5110.h"
#include "main.h"
#ifndef bullet_v
#define bullet_v 3//炮弹的速度为坦克三倍
#endif
#ifndef tank_num
#define tank_num 4//坦克数量
#endif

DigitalIn button_A3(p29);
DigitalIn button_B3(p28);
DigitalIn button_C3(p27);
DigitalIn button_D3(p26);

AnalogIn joy_button3(p17); // could be DigitalIn, but use AnalogIn so pot can also be used

// JP1 must be in 2/3 position
N5110 lcd3(p8,p9,p10,p11,p13,p21);
const int map[9][11] =   {
    { 0,0,0,0,0,0,0,0,0,0,0},
    { 0,1,0,2,1,1,1,2,0,1,0},
    { 2,1,2,2,2,2,2,2,2,1,2},
    { 0,0,0,0,0,0,0,0,0,0,0},
    { 2,2,2,1,2,2,2,1,2,2,2},
    { 0,0,1,1,1,1,1,1,1,0,0},
    { 0,1,0,4,0,1,0,5,0,1,0},
    { 0,1,2,2,1,1,1,2,2,1,0},
    { 0,0,0,0,0,6,0,0,0,0,0},
};//9*11大小的地图，1是墙，2是灌木
const int wall[5][7] =   {
    { 1,1,1,1,1,1,1},
    { 1,1,0,0,0,1,1},
    { 1,1,0,0,0,1,1},
    { 1,1,0,0,0,1,1},
    { 1,1,1,1,1,1,1},
};//5*7的墙，不可破坏
const int bush[5][7] =   {
    { 1,0,1,0,1,0,1},
    { 0,1,0,1,0,1,0},
    { 1,0,1,0,1,0,1},
    { 0,1,0,1,0,1,0},
    { 1,0,1,0,1,0,1},

};//5*7的g灌木，可破坏
const int destroyed_bush[5][7] =   {
    { 1,0,0,1,0,0,1},
    { 0,0,1,0,0,1,0},
    { 0,1,0,0,1,0,0},
    { 1,0,0,1,0,0,1},
    { 0,0,1,0,0,1,0},

};//被击中的灌木
const int tank[tank_num][4][5][7] = {
    {
        {
            { 0,1,0,1,0,1,0},
            { 0,1,1,1,1,1,0},
            { 0,1,1,0,1,1,0},
            { 0,1,1,0,1,1,0},
            { 0,1,0,0,0,1,0}
        },
        {
            { 0,1,0,0,0,1,0},
            { 0,1,1,0,1,1,0},
            { 0,1,1,0,1,1,0},
            { 0,1,1,1,1,1,0},
            { 0,1,0,1,0,1,0}
        },
        {
            { 0,1,1,1,1,1,0},
            { 0,0,1,1,1,0,0},
            { 0,1,1,0,0,0,0},
            { 0,0,1,1,1,0,0},
            { 0,1,1,1,1,1,0}
        },
        {
            { 0,1,1,1,1,1,0},
            { 0,0,1,1,1,0,0},
            { 0,0,0,0,1,1,0},
            { 0,0,1,1,1,0,0},
            { 0,1,1,1,1,1,0}
        }
    },//tank1
    {
        {
            { 0,1,0,1,0,1,0},
            { 0,1,0,1,0,1,0},
            { 0,1,1,1,1,1,0},
            { 0,1,1,0,0,1,0},
            { 0,1,0,0,0,1,0}

        },
        {
            { 0,1,0,0,0,1,0},
            { 0,1,0,0,1,1,0},
            { 0,1,1,1,1,1,0},
            { 0,1,0,1,0,1,0},
            { 0,1,0,1,0,1,0}
        },
        {
            { 0,1,1,1,1,1,0},
            { 0,0,0,1,0,0,0},
            { 0,1,1,1,0,0,0},
            { 0,0,0,1,1,0,0},
            { 0,1,1,1,1,1,0}
        },
        {
            { 0,1,1,1,1,1,0},
            { 0,0,1,1,0,0,0},
            { 0,0,0,1,1,1,0},
            { 0,0,0,1,0,0,0},
            { 0,1,1,1,1,1,0}
        }
    },//tank2
    {
        {
            { 0,1,0,1,0,1,0},
            { 0,1,0,1,0,1,0},
            { 0,1,1,1,1,1,0},
            { 0,1,0,1,0,1,0},
            { 0,1,0,0,0,1,0}

        },
        {
            { 0,1,0,0,0,1,0},
            { 0,1,0,1,0,1,0},
            { 0,1,1,1,1,1,0},
            { 0,1,0,1,0,1,0},
            { 0,1,0,1,0,1,0}
        },
        {
            { 0,1,1,1,1,1,0},
            { 0,0,0,1,0,0,0},
            { 0,1,1,1,1,0,0},
            { 0,0,0,1,0,0,0},
            { 0,1,1,1,1,1,0}
        },
        {
            { 0,1,1,1,1,1,0},
            { 0,0,0,1,0,0,0},
            { 0,0,1,1,1,1,0},
            { 0,0,0,1,0,0,0},
            { 0,1,1,1,1,1,0}
        }
    }, //tank3
    {
        {
            { 0,1,0,1,0,1,0},
            { 0,1,0,1,0,1,0},
            { 0,1,1,1,1,1,0},
            { 0,1,0,0,1,1,0},
            { 0,1,0,0,0,1,0}

        },
        {
            { 0,1,0,0,0,1,0},
            { 0,1,1,0,0,1,0},
            { 0,1,1,1,1,1,0},
            { 0,1,0,1,0,1,0},
            { 0,1,0,1,0,1,0}
        },
        {
            { 0,1,1,1,1,1,0},
            { 0,0,0,1,1,0,0},
            { 0,1,1,1,0,0,0},
            { 0,0,0,1,0,0,0},
            { 0,1,1,1,1,1,0}
        },
        {
            { 0,1,1,1,1,1,0},
            { 0,0,0,1,0,0,0},
            { 0,0,0,1,1,1,0},
            { 0,0,1,1,0,0,0},
            { 0,1,1,1,1,1,0}
        }
    }//tank4
};
const int tank_exp[5][7] =   {
    { 0,1,0,1,0,1,0},
    { 0,0,1,0,1,0,0},
    { 1,1,0,0,0,1,1},
    { 0,0,1,0,1,0,0},
    { 0,1,0,1,0,1,0},
};//击毁的坦克
const int bullet[5][7] =   {
    { 0,0,0,0,0,0,0},
    { 0,0,1,1,0,0,0},
    { 0,0,1,1,0,0,0},
    { 0,0,0,0,0,0,0},
    { 0,0,0,0,0,0,0},
};//炮弹
const int hp_ai[5][7] =   {
    { 0,1,1,0,1,1,0},
    { 1,1,1,1,1,1,1},
    { 0,1,1,1,1,1,0},
    { 1,0,1,1,1,0,1},
    { 1,1,0,1,0,1,1},
};//炮弹
const int t_start[tank_num][2] = {{0,5},{6,3},{6,7},{8,5}}; //坦克初始坐标
void map_scan3(int map_adj[9][11]) //扫描地图函数
{
    int x = 0;
    int y = 0; //地图扫描坐标
    lcd3.drawRect(0,0,84,1,FILL_BLACK);
    lcd3.drawRect(0,46,84,2,FILL_BLACK);
    lcd3.drawRect(0,0,3,48,FILL_BLACK);
    lcd3.drawRect(80,0,4,48,FILL_BLACK);//边框

    for (x=0; x<11; x++) {
        for (y=0; y<9; y++) {
            if(map_adj[y][x]==1) {
                lcd3.drawSprite(x*7+3,y*5+1,5,7,(int *)wall);
            } else if(map_adj[y][x]==2) {
                lcd3.drawSprite(x*7+3,y*5+1,5,7,(int *)bush);
            }
        }
    }
}

void hp_show3(int hp[4])  //显示血量函数
{
    int i;
    for(i=1; i<tank_num; i++) {
        if(hp[i]==1) {
            lcd3.drawSprite(4*7+(i-1)*7+3,7*5+1,5,7,(int *)hp_ai);
        }

    }
}
void tank_show3(int tank_state[4],int t[4][2],int hp[4])   //显示坦克函数
{
    int i;
    for(i=0; i<tank_num; i++) {
        if(hp[i]!=0) {
            lcd3.drawSprite(t[i][1]*7+3,t[i][0]*5+1,5,7,(int *)tank[i][tank_state[i]]);
        }
    }
}
void main3()
{
    // need to initialise the lcd3 first, do this once outside of the loop
    lcd3.init();
    //int command[2][4]={{0,0,0,0},{0,0,0,0}};//处理后的指令
    int command[4]= {0,0,0,0};
    int i;
    int j; //地图复制计数
    int ii;
    int k;
    int l;
    int n; //炮弹刷新计数
    int shoot;//开火计数
    int t[tank_num][2]; //坦克坐标
    int b[3][2]; //炮弹坐标
    int bullet_cont=0;//发射炮弹计数
    int bullet_direct[3];//炮弹的方向
    int bullet_val[3];//炮弹是否被阻挡
    int tank_state[tank_num]; //坦克的f方向
    int hp_set[tank_num]= {3,1,1,1}; //坦克血量预设
    int hp[tank_num]= {0,0,0,0}; //坦克血量
    int map_adj[9][11];
    int tank_des;//serial number of destoried tank destroy
    int obj_kind;
    for (k=0; k<tank_num; k++) {
        hp[k]=hp_set[k];
        tank_state[k]=0;
        map_adj[t_start[k][0]][t_start[k][1]]=k+3;
        for (l=0; l<bullet_v; l++) {
            bullet_val[l]=0;
        }
        for (ii=0; ii<2; ii++) {
            t[k][ii]=t_start[k][ii];
        } //复制坦克坐标
    }

    for (i=0; i<11; i++) {
        for (j=0; j<9; j++) {
            map_adj[j][i]=map[j][i];
        }
    }//复制地图
    shoot=0;
    while(1) {
        lcd3.clear();
        map_scan3(map_adj);//地图显示
        hp_show3(hp);//血量显示
        tank_show3(tank_state,t,hp);//坦克显示

        if(shoot==0) {
            command[3] = button_A3.read();
            command[0] = button_B3.read();
            command[2] = button_C3.read();
            command[1] = button_D3.read(); //复制指令
            bullet_cont++;
            if(bullet_cont==3) {
                bullet_cont=0;
            }


            command[3]=(~command[0])&(~command[1])&(~command[2])&command[3];
            command[2]=(~command[0])&(~command[1])&command[2];
            command[1]=(~command[0])&command[1];
            command[0]=command[0];

            map_adj[t[0][0]][t[0][1]]=0;
            t[0][0]=t[0][0]-command[0]+command[1];
            t[0][1]=t[0][1]-command[2]+command[3];//指令控制坦克

            if(map_adj[t[0][0]][t[0][1]]!=0||t[0][1]<0||t[0][1]>10||t[0][0]<0||t[0][0]>8) {
                t[0][0]=t[0][0]+command[0]-command[1];
                t[0][1]=t[0][1]+command[2]-command[3];
            }//障碍物判断，前方有障碍物时指令无效
            map_adj[t[0][0]][t[0][1]]=3;
            if(command[0]||command[1]||command[2]||command[3]) {
                tank_state[0]=command[1]*1+command[2]*2+command[3]*3;
            } //坦克方向计算
            if (joy_button3.read()==0) {
                bullet_val[bullet_cont]=1; //坦克发射炮弹技炮弹坐标方向计算
                bullet_direct[bullet_cont]=tank_state[0];
                b[bullet_cont][0]=t[0][0];
                b[bullet_cont][1]=t[0][1];
            }
        }

        for(n=0; n<bullet_v; n++) { //炮弹比坦克快三倍运算也快三倍
            b[n][0]=b[n][0]+(!(bullet_direct[n]>>1))*(-1+2*(bullet_direct[n]%2));
            b[n][1]=b[n][1]+(bullet_direct[n]>>1)*(-1+2*(bullet_direct[n]%2));//炮弹坐标刷新
            if(b[n][1]>=0&&b[n][1]<=10&&b[n][0]>=0&&b[n][0]<=8&&bullet_val[n]==1) {
                //炮弹有效且未出界
                obj_kind=map_adj[b[n][0]][b[n][1]];
                if(obj_kind==0) { //炮弹无障碍飞行的情况
                    lcd3.drawSprite(b[n][1]*7+3,b[n][0]*5+1,5,7,(int *)bullet);
                } else if (obj_kind==2) { //炮弹打到灌木的情况
                    lcd3.drawSprite(b[n][1]*7+3,b[n][0]*5+1,5,7,(int *)destroyed_bush);
                    map_adj[b[n][0]][b[n][1]]=0;
                    bullet_val[n]=0;
                } else if (obj_kind==1) { //炮弹打墙的情况
                    bullet_val[n]=0;
                } else if(obj_kind>3) { //炮弹击杀坦克的情况
                    lcd3.printString("1", 0, 0);
                    tank_des=map_adj[b[n][0]][b[n][1]]-3;
                    map_adj[b[n][0]][b[n][1]]=0;
                    lcd3.drawSprite(t[tank_des][1]*7+3,t[tank_des][0]*5+1,5,7,(int *)tank_exp);
                    hp[tank_des]=hp[tank_des]-1;//血量减一
                    bullet_val[n]=0;//炮弹失效
                    if((hp[1]+hp[2]+hp[3])==0) {
                        lcd3.clear();
                        lcd3.printString("Exercise", 20, 1);
                        lcd3.printString("Completed", 18, 3);
                        lcd3.refresh();
                        wait(1);
                        while(1) {
                            if (button_C3.read() == 1) {
                                main();
                            }
                        }
                    }
                }
            }
        }
        shoot=shoot+1;
        if(shoot==bullet_v) {
            shoot=0;
        }
        lcd3.refresh(); // refresh the lcd3 so the pixels appear
        wait_ms(600/bullet_v); // 画面按炮弹移动s时间刷新，600为坦克移动时间
    }
}
void init_buttons3()
{
    // PCB has external pull-down resistors so turn the internal ones off
    // (default for DigitalIn)
    button_A3.mode(PullNone);
    button_B3.mode(PullNone);
    button_C3.mode(PullNone);
    button_D3.mode(PullNone);
}