嵌入式学习第十七天

#include 
#include 
#include 
#include 
#include 
#include 
#include "boarder.h"
#include "block.h"

int cury = 1;
int curx = 16;
int curboxno = 0;
int nextboxno = 0;
int score = 0;

int SetScore(void)
{
	char tmpbuff[1024] = {0};

	sprintf(tmpbuff, "%06d", score);
	strncpy(&gBoarder[BOARDER_HEIGHT/4*3][BOARDER_WIDTH/6*5-3], tmpbuff, 6);

	return 0;
}

void handler(int signo)
{
	int i = 0;

	ClearBox(gBox, cury, curx);
	if (CanMoveBox(gBox, cury+1, curx))
	{
		MoveBox(gBox, cury+1, curx);
		cury = cury+1;
		ShowMenu();
	}
	else 
	{
		MoveBox(gBox, cury, curx);
		ShowMenu();

		//判断当前这4行是否都能被消除 
		for (i = 0; i < 4 && cury + i < BOARDER_HEIGHT-1; i++)
		{
			if (CanClearLine(cury+i))
			{
				ClearLine(cury+i);
				score++;
				SetScore();
				ShowMenu();
			}
		}

		curboxno = nextboxno;
		CreateBox(gBox, nextboxno);
		
		ClearBox(gNextBox, BOARDER_HEIGHT/4-2, BOARDER_WIDTH/6*5-4);
		nextboxno = rand() % 19;
		CreateBox(gNextBox, nextboxno);
		MoveBox(gNextBox, BOARDER_HEIGHT/4-2, BOARDER_WIDTH/6*5-4);

		cury = 1;
		curx = 16;
		if (CanMoveBox(gBox, cury, curx))
		{
			MoveBox(gBox, cury, curx);
			ShowMenu();
		}
		else 
		{
			exit(0);
		}
	}
	
	alarm(1);

	return;
}

int main(void)
{
	char ch = 0;
	signal(SIGALRM, handler);

	system("stty -echo");
	system("stty -icanon min 1");

	srand(time(NULL));
	
	InitBoarder();
	SetBoarder();
	SetScore();
	
	curboxno = rand() % 19;
	CreateBox(gBox, curboxno);
	MoveBox(gBox, cury, curx);
	
	nextboxno = rand() % 19;
	CreateBox(gNextBox, nextboxno);
	MoveBox(gNextBox, BOARDER_HEIGHT/4-2, BOARDER_WIDTH/6*5-4);

	ShowMenu();
	alarm(1);

	while (1)
	{
		ch = getchar();
		if ('a' == ch || 'A' == ch)
		{
			ClearBox(gBox, cury, curx);
			if (CanMoveBox(gBox, cury, curx-2))
			{
				MoveBox(gBox, cury, curx-2);
				ShowMenu();
				curx -= 2;
			}
			else 
			{
				MoveBox(gBox, cury, curx);
				ShowMenu();
			}
		}
		else if ('w' == ch || 'W' == ch)
		{
			ClearBox(gBox, cury, curx);
			CreateBox(gChangeBox, GetChangeBoxNo(curboxno));
			if (CanMoveBox(gChangeBox, cury, curx))
			{
				MoveBox(gChangeBox, cury, curx);
				memcpy(gBox, gChangeBox, sizeof(gChangeBox));
				curboxno = GetChangeBoxNo(curboxno);
				ShowMenu();
			}
			else 
			{
				MoveBox(gBox, cury, curx);
				ShowMenu();
			}
		}
		else if ('d' == ch || 'D' == ch)
		{
			ClearBox(gBox, cury, curx);
			if (CanMoveBox(gBox, cury, curx+2))
			{
				MoveBox(gBox, cury, curx+2);
				ShowMenu();
				curx += 2;
			}
			else 
			{
				MoveBox(gBox, cury, curx);
				ShowMenu();
			}
		}
		else if ('s' == ch || 'S' == ch)
		{
			ClearBox(gBox, cury, curx);
			if (CanMoveBox(gBox, cury+1, curx))
			{
				MoveBox(gBox, cury+1, curx);
				ShowMenu();
				cury += 1;
			}
			else 
			{
				MoveBox(gBox, cury, curx);
				ShowMenu();
			}
		}
		else if ('p' == ch || 'P' == ch)
		{
			alarm(0);
		}
		else if ('c' == ch || 'C' == ch)
		{
			alarm(1);
		}
		else if ('q' == ch)
		{
			exit(0);
		}
	}

	return 0;
}

/* 游戏界面的宽度 */
#define BOARDER_WIDTH	60

/* 游戏界面的高度 */
#define BOARDER_HEIGHT	30

extern unsigned char gBoarder[BOARDER_HEIGHT][BOARDER_WIDTH];
extern int InitBoarder(void);
extern int SetBoarder(void);
extern int ShowMenu(void);
extern int CanClearLine(int LineNo);
extern int ClearLine(int LineNo);

extern unsigned char gBox[4][8];
extern unsigned char gChangeBox[4][8];
extern unsigned char gNextBox[4][8];

extern int InitBox(unsigned char (*pBox)[8]);
extern int CreateBox(unsigned char (*pBox)[8], int BoxNo);
extern int CanMoveBox(unsigned char (*pBox)[8], int y, int x);
extern int MoveBox(unsigned char (*pBox)[8], int y, int x);
extern int ClearBox(unsigned char (*pBox)[8], int y, int x);
extern int GetChangeBoxNo(int No);

/***********************************************************
 * 
 * 文件名:block.c 
 * 功能: 俄罗斯方块功能
 * 
 *
 ***********************************************************/

#include 
#include "block.h"
#include "boarder.h"

/* 俄罗斯方块数据 */
unsigned char gBox[4][8];

/* 俄罗斯方块变形后数据 */
unsigned char gChangeBox[4][8];

/* 俄罗斯方块下一个方块数据 */
unsigned char gNextBox[4][8];

/* 初始化俄罗斯方块内容 */
int InitBox(unsigned char (*pBox)[8])
{
	int i = 0;
	int j = 0;

	for (j = 0; j < 4; j++)
	{
		for (i = 0; i < 8; i++)
		{
			pBox[j][i] = ' ';
		}
	}

	return 0;
}

/* 俄罗斯方块变形规则 */
int GetChangeBoxNo(int No)
{
	int DstNo = -1;
	
	switch (No)
	{
		case 0:DstNo = 1;break;
		case 1:DstNo = 0;break;
		case 2:DstNo = 2;break;
		case 3:DstNo = 4;break;
		case 4:DstNo = 5;break;
		case 5:DstNo = 6;break;
		case 6:DstNo = 3;break;
		case 7:DstNo = 8;break;
		case 8:DstNo = 9;break;
		case 9:DstNo = 10;break;
		case 10:DstNo = 7;break;
		case 11:DstNo = 12;break;
		case 12:DstNo = 13;break;
		case 13:DstNo = 14;break;
		case 14:DstNo = 11;break;
		case 15:DstNo = 16;break;
		case 16:DstNo = 15;break;
		case 17:DstNo = 18;break;
		case 18:DstNo = 17;break;
	}

	return DstNo;
}

/* 创建俄罗斯方块图形 */
int CreateBox(unsigned char (*pBox)[8], int BoxNo)
{
	int i = 0;
	int j = 0;

	InitBox(pBox);

	if (0 == BoxNo)
	{
		//[][][][]
		//
		//
		//

		for (i = 0; i < 8; i++)
		{
			pBox[0][i] = (0 == i % 2 ? '[' : ']');
		}
	}
	else if (1 == BoxNo)
	{
		//[]
		//[]
		//[]
		//[]
		
		for (j = 0; j < 4; j++)
		{
			pBox[j][0] = '[';
			pBox[j][1] = ']';
		}
	}
	else if (2 == BoxNo)
	{
		//[][]
		//[][]
		//
		//

		for (j = 0; j < 2; j++)
		{
			for (i = 0; i < 4; i++)
			{
				pBox[j][i] = (i % 2 == 0 ? '[' : ']');
			}
		}
	}
	else if (3 == BoxNo)
	{
		//[][]
		//[]
		//[]
		//

		for (j = 0; j < 3; j++)
		{
			pBox[j][0] = '[';
			pBox[j][1] = ']';
		}
		pBox[0][2] = '[';
		pBox[0][3] = ']';
	}
	else if (4 == BoxNo)
	{
		//[][][]  
		//    []
		//
		//

		for (i = 0; i < 6; i++)
		{
			pBox[0][i] = (0 == i % 2 ? '[' : ']');
		}
		pBox[1][4] = '[';
		pBox[1][5] = ']';
	}
	else if (5 == BoxNo)
	{
		//  []
		//  []
		//[][]
		//

		for (j = 0; j < 3; j++)
		{
			pBox[j][2] = '[';
			pBox[j][3] = ']';
		}
		pBox[2][0] = '[';
		pBox[2][1] = ']';
	}
	else if (6 == BoxNo)
	{
		//[]
		//[][][]
		//
		//

		for (i = 0; i < 6; i++)
		{
			pBox[1][i] = (0 == i % 2 ? '[' : ']');
		}
		pBox[0][0] = '[';
		pBox[0][1] = ']';
	}
	else if (7 == BoxNo)
	{
		//[][]
		//  []
		//  []
		//

		for (j = 0; j < 3; j++)
		{
			pBox[j][2] = '[';
			pBox[j][3] = ']';
		}
		pBox[0][0] = '[';
		pBox[0][1] = ']';
	}
	else if (8 == BoxNo)
	{
		//    []
		//[][][] 
		//
		//

		for (i = 0; i < 6; i++)
		{
			pBox[1][i] = (0 == i % 2 ? '[' : ']');
		}
		pBox[0][4] = '[';
		pBox[0][5] = ']';
	}
	else if (9 == BoxNo)
	{
		//[]
		//[]
		//[][]
		//

		for (j = 0; j < 3; j++)
		{
			pBox[j][0] = '[';
			pBox[j][1] = ']';
		}
		pBox[2][2] = '[';
		pBox[2][3] = ']';
	}
	else if (10 == BoxNo)
	{
		//[][][]
		//[]
		//
		//

		for (i = 0; i < 6; i++)
		{
			pBox[0][i] = (0 == i % 2 ? '[' : ']');
		}
		pBox[1][0] = '[';
		pBox[1][1] = ']';
	}
	else if (11 == BoxNo)
	{
		//  []
		//[][][]
		//
		//

		for (i = 0; i < 6; i++)
		{
			pBox[1][i] = (0 == i % 2 ? '[' : ']');
		}
		pBox[0][2] = '[';
		pBox[0][3] = ']';
	}
	else if (12 == BoxNo)
	{
		//[]
		//[][]
		//[]
		//

		for (j = 0; j < 3; j++)
		{
			pBox[j][0] = '[';
			pBox[j][1] = ']';
		}
		pBox[1][2] = '[';
		pBox[1][3] = ']';
	}
	else if (13 == BoxNo)
	{
		//[][][]
		//  []
		//
		//

		for (i = 0; i < 6; i++)
		{
			pBox[0][i] = (0 == i % 2 ? '[' : ']');
		}
		pBox[1][2] = '[';
		pBox[1][3] = ']';
	}
	else if (14 == BoxNo)
	{
		//  []
		//[][]
		//  []
		//

		for (j = 0; j < 3; j++)
		{
			pBox[j][2] = '[';
			pBox[j][3] = ']';
		}
		pBox[1][0] = '[';
		pBox[1][1] = ']';
	}
	else if (15 == BoxNo)
	{
		//[]
		//[][]
		//  []
		//

		for (j = 0; j < 2; j++)
		{
			pBox[j][0] = '[';
			pBox[j][1] = ']';
		}
		for (j = 1; j < 3; j++)
		{
			pBox[j][2] = '[';
			pBox[j][3] = ']';
		}
	}
	else if (16 == BoxNo)
	{
		//  [][]
		//[][]
		//
		//

		for (i = 2; i < 6; i++)
		{
			pBox[0][i] = (0 == i % 2 ? '[' : ']');
		}
		for (i = 0; i < 4; i++)
		{
			pBox[1][i] = (0 == i % 2 ? '[' : ']');
		}
	}
	else if (17 == BoxNo)
	{
		//  []
		//[][]
		//[]
		//

		for (j = 1; j < 3; j++)
		{
			pBox[j][0] = '[';
			pBox[j][1] = ']';
		}
		for (j = 0; j < 2; j++)
		{
			pBox[j][2] = '[';
			pBox[j][3] = ']';
		}
	}
	else if (18 == BoxNo)
	{
		//[][]
		//  [][]
		//
		//

		for (i = 0; i < 4; i++)
		{
			pBox[0][i] = (0 == i % 2 ? '[' : ']');
		}
		for (i = 2; i < 6; i++)
		{
			pBox[1][i] = (0 == i % 2 ? '[' : ']');
		}
	}

	return 0;
}

/* 判断俄罗斯方块是否能够移动到指定游戏界面位置 */
int CanMoveBox(unsigned char (*pBox)[8], int y, int x)
{
	int i = 0;
	int j = 0;

	for (j = 0; j < 4; j++)
	{
		for (i = 0; i < 8; i++)
		{
			if ((pBox[j][i] == '[' || pBox[j][i] == ']') && (gBoarder[j+y][i+x] != ' '))
			{
				return 0;
			}
		}
	}

	return 1;
}

/* 将俄罗斯方块移动到游戏界面中 */
int MoveBox(unsigned char (*pBox)[8], int y, int x)
{
	int i = 0;
	int j = 0;

	for (j = 0; j < 4; j++)
	{
		for (i = 0; i < 8; i++)
		{
			if (pBox[j][i] == '[' || pBox[j][i] == ']')
			{
				gBoarder[j+y][i+x] = pBox[j][i];
			}
		}
	}

	return 0;
}

/* 将俄罗斯方块从游戏界面中清除 */
int ClearBox(unsigned char (*pBox)[8], int y, int x)
{
	int i = 0;
	int j = 0;

	for (j = 0; j < 4; j++)
	{
		for (i = 0; i < 8; i++)
		{
			if (pBox[j][i] == '[' || pBox[j][i] == ']')
			{
				gBoarder[j+y][i+x] = ' ';
			}
		}
	}

	return 0;
}

/***********************************************************
 * 
 * 文件名:boarder.c 
 * 功能: 游戏界面相关功能
 * 
 *
 ***********************************************************/

#include 
#include "boarder.h"

/* 游戏界面的数据内容 */
unsigned char gBoarder[BOARDER_HEIGHT][BOARDER_WIDTH];

/* 初始化游戏界面数组内容 */
int InitBoarder(void)
{
	int i = 0;
	int j = 0;
	
	//1.对所有的元素都赋值为' '
	for (j = 0; j < BOARDER_HEIGHT; j++)
	{
		for (i = 0; i < BOARDER_WIDTH; i++)
		{
			gBoarder[j][i] = ' ';
		}
	}

	return 0;
}

/* 游戏界面加入边框 */
int SetBoarder(void)
{
	int i = 0;
	int j = 0;

	//1.第一行赋值为'#'
	for (i = 0; i < BOARDER_WIDTH; i++)
	{
		gBoarder[0][i] = '#';
	}

	//2.最后一行赋值为'#'
	for (i = 0; i < BOARDER_WIDTH; i++)
	{
		gBoarder[BOARDER_HEIGHT-1][i] = '#';
	}

	//3.第一列赋值为'#'
	for (j = 0; j < BOARDER_HEIGHT; j++)
	{
		gBoarder[j][0] = '#';
		gBoarder[j][1] = '#';
	}

	//4.最后一列赋值为'#'
	for (j = 0; j < BOARDER_HEIGHT; j++)
	{
		gBoarder[j][BOARDER_WIDTH-1] = '#';
		gBoarder[j][BOARDER_WIDTH-2] = '#';
	}

	//5.界面中间选择一列赋值为'#',作为游戏区域和其他功能区域的划分
	for (j = 0; j < BOARDER_HEIGHT; j++)
	{
		gBoarder[j][BOARDER_WIDTH/3*2-2] = '#';
		gBoarder[j][BOARDER_WIDTH/3*2-1] = '#';
	}
	
	//6.游戏界面有方一行的一部分赋值为'#'
	for (i = BOARDER_WIDTH/3*2; i < BOARDER_WIDTH; i++)
	{
		gBoarder[BOARDER_HEIGHT/2][i] = '#';
	}

	return 0;
}

/* 游戏界面的显示 */
int ShowMenu(void)
{
	int i = 0;
	int j = 0;
	
	printf("\033[2J");
	for (j = 0; j < BOARDER_HEIGHT; j++)
	{
		for (i = 0; i < BOARDER_WIDTH; i++)
		{
			if ('#' == gBoarder[j][i])
			{
				printf("\033[41;31m%c\033[0m", gBoarder[j][i]);
			}
			else if ('[' == gBoarder[j][i] || ']' == gBoarder[j][i])
			{
				printf("\033[40;30m%c\033[0m", gBoarder[j][i]);
			}
			else
			{
				printf("%c", gBoarder[j][i]);
			}
		}
		printf("\n");
	}

	return 0;
}

int CanClearLine(int LineNo)
{
	int i = 0;

	for (i = 2; i < BOARDER_WIDTH/3*2-2; i++)
	{
		if (' ' == gBoarder[LineNo][i])
		{
			return 0;
		}
	}

	return 1;
}

int ClearLine(int LineNo)
{
	int i = 0;
	int j = 0;

	for (j = LineNo; j > 1; j--)
	{
		for (i = 2; i < BOARDER_WIDTH/3*2-2; i++)
		{
			gBoarder[j][i] = gBoarder[j-1][i];
		}
	}

	return 0;
}