#include<stdio.h>
#include<stdlib.h>
#include<Windows.h>
#include<conio.h>
#include<time.h>
#include<string.h>

#define High 40
#define Width 60 //畫布大小

int people_x, people_y; //小球坐標
int canvas[High + 1][Width + 1]; //標記
int b1_left[3]; //橫線板板起點
int b1_right[3]; //橫線板板終點
int score = 0; //得分
int vv = 15, v_b = 8; //vv大小可以改變板板上升速度

void HideCursor()
{
	CONSOLE_CURSOR_INFO cursor_info = { 1,0 };
	SetConsoleCursorInfo(GetStdHandle(STD_OUTPUT_HANDLE), &cursor_info);
}
void gotoxy(int x, int y)
{
	HANDLE handle = GetStdHandle(STD_OUTPUT_HANDLE);
	COORD pos;
	pos.X = x;
	pos.Y = y;
	SetConsoleCursorPosition(handle, pos);

}

void startup()
{
	int i, j, k;
	srand(time(NULL));
	for (i = 3; i <= High; i += 3)
	{
		int t = 0;
		
		int k; 
		for (k = 0; k < 3; k++)
		{
			b1_left[k] = rand() % (Width - 6);
			b1_right[k] = b1_left[k] + rand()%3+5;

		}
		t = 3;
		while (t--) {
			for (j = b1_left[t]; j < b1_right[t]; j++)
			{
				canvas[i][j] = 2; //標記為橫線板板
			}
		}

	}
	people_x = 2;
	people_y = 6; // 小球橫縱坐標
	canvas[people_x][people_y] = 1; // 小球所在不能為橫線板板
	for (i = 0; i < High; i++) // 左右邊框為束線
	{
		canvas[i][0] = -2;
		canvas[i][Width - 1] = -2;
	}
	for (j = 0; j < Width; j++) //上下邊框為T
	{
		canvas[0][j] = -1;
		canvas[High - 1][j] = -1;
	}
}

void show()
{
	gotoxy(0, 0);//把光標啟動到（0，0）點，在這里功能為清屏
	int i, j;
	for (i = 0; i < High; i++)
	{
		for (j = 0; j < Width; j++)
		{
			if (canvas[i][j] == 2)
				printf("-");
			else if (canvas[i][j] == 1)
				printf("o");
			else if (canvas[i][j] == -1)
				printf("T");
			else if (canvas[i][j] == -2)
				printf("|");
			else printf(" ");
		}
		printf("\n");
	}
	printf("得分：%d\n", score);
}

int updataWithoutInput()
{

	int i, j, k;
	static int v_bord = 0, v_ball = 0;
	int flag = 0;
	int oldps_x, oldps_y;
	if (v_bord < vv) //設置更新各個部件的位置
		v_bord++;
	if (v_bord == vv) {
		for (i = 1; i <= High - 2; i++)
		{
			for (j = 1; j <= Width - 2; j++)
			{
				if (canvas[i][j] == 2 && i - 1 != 0)
				{
					canvas[i][j] = 0;
					if (canvas[i - 1][j] == 1)
					{
						people_x = i - 2; people_y = j;
						canvas[people_x][people_y] = 1;
						canvas[i - 1][j] = 2;
					}
					else
						canvas[i - 1][j] = 2;
				}
				else
				{
					if (i - 1 == 0 && canvas[i][j] == 2) {
						canvas[i][j] = 0;
						flag = 1;
					}

				}
			}
		}
		v_bord = 0;
	}
	for (i = 1; i <= Width - 2; i++)
	{
		if (canvas[people_x][i] == 2)
		{
			score++;
			break;
		}
	}

	if (v_ball < v_b)
		v_ball++;

	if (v_ball == v_b && canvas[people_x + 1][people_y] == 0)
	{
		canvas[people_x][people_y] = 0;
		people_x++;
		canvas[people_x][people_y] = 1;
		v_ball = 0;
	}

	int cnt = 0;//判斷游戲是否結束
	if (people_x == 0 || people_x == High - 2)
	{
		printf("GAMEOVER!\n");
		system("pause");
		cnt = 1;
		goto restart;
	}

	if (flag)
	{
		int t = 0;
		int k;
		for (k = 0; k < 3; k++)
		{
			b1_left[k] = rand() % (Width - 7) + 1;
			b1_right[k] = b1_left[k] + rand() % 3 + 5;
		}
		t = 3;
		while (t--) {
			for (j = b1_left[t]; j < b1_right[t]; j++)
			{
				canvas[High/3*3-3][j] = 2;
			}
		}

	}
	//Sleep(200);
restart:
	return cnt;
}

void updataWithInput()
{
	char key;
	if (_kbhit())
	{
		key = _getch();
		if ((key == 'a' || key == 75) && canvas[people_x][people_y-1] == 0)
		{
			canvas[people_x][people_y] = 0;
			people_y--;
			canvas[people_x][people_y] = 1;
		}
		if ((key == 'd' || key == 77) && canvas[people_x][people_y+1] == 0)
		{
			canvas[people_x][people_y] = 0;
			people_y++;
			canvas[people_x][people_y] = 1;
		}

	}

}

void init() {
	system("cls");
	memset(canvas, 0, sizeof canvas);
	memset(b1_left, 0, sizeof b1_left);
	memset(b1_right, 0, sizeof b1_right);
	score = 0;
	startup(); //初始化界面
}

int main()
{
	HideCursor();
start:
	init();
	while (1)
	{
		show();//畫界面
		int cnt = updataWithoutInput();
		updataWithInput();
		if (cnt == 1) goto start;
	}
}