#include "map.h"

Map::Map(IMAGE* floor):floor(floor)
{
	map = new char[MAP_CNT];
	for (int i = 0; i < MAP_CNT; i++)
		map[i] = 0;
}

void Map::SetMap(int column, int row, char data)
{
	map[row * MAP_COLUMN + column] = data;
}

char Map::GetMap(int column, int row)
{
	if (row < 0 || row >= MAP_ROW || column < 0 || column >= MAP_COLUMN)
		return -1;
	else
		return map[row * MAP_COLUMN + column];
}

bool Map::IsEmpty()
{
	for (int i = 0; i < MAP_CNT; i++)
	{
		if (map[i] == 1 || map[i] == 2)
			return false;
	}
	return true;
}

void Map::ClearBean(int column, int row)
{
	if (row < 0 || row >= MAP_ROW || column < 0 || column >= MAP_COLUMN)
		return;

	int d = map[row * MAP_COLUMN + column];
	if (d == 1 || d == 2)
	{
		SetMap(column, row, 0);

		SetWorkingImage(floor);

		setfillcolor(BLACK);

		int draw_x, draw_y;
		draw_x = column * MAP_SIZE + MAP_SIZE / 2;
		draw_y = row * MAP_SIZE + MAP_SIZE / 2;
		solidcircle(draw_x, draw_y, POINT_BIG_SIZE);

		SetWorkingImage(NULL);
	}
}

void Map::DrawFloor()
{
	SetWorkingImage(floor);

	setlinecolor(BLUE);
	POINT* ps = new POINT[2];
	for (int i = 0; i < MAP_ROW; i++)
	{
		ps[0].y = i * MAP_SIZE + MAP_SIZE / 2;
		ps[1].y = i * MAP_SIZE + MAP_SIZE / 2;
		for (int j = 0; j < MAP_COLUMN - 1; j++)
		{
			int k = i * MAP_COLUMN + j;
			if (map[k] == 3 && map[k + 1] == 3)
			{
				ps[0].x = j * MAP_SIZE + MAP_SIZE / 2;
				ps[1].x = (j + 1) * MAP_SIZE + MAP_SIZE / 2;
				polyline(ps, 2);
			}
		}
	}


	for (int i = 0; i < MAP_COLUMN; i++)
	{
		ps[0].x = i * MAP_SIZE + MAP_SIZE / 2;
		ps[1].x = i * MAP_SIZE + MAP_SIZE / 2;
		for (int j = 0; j < MAP_ROW - 1; j++)
		{
			int k = j * MAP_COLUMN + i;
			if (map[k] == 3 && map[k + MAP_COLUMN] == 3)
			{
				ps[0].y = j * MAP_SIZE + MAP_SIZE / 2;
				ps[1].y = (j + 1) * MAP_SIZE + MAP_SIZE / 2;
				polyline(ps, 2);
			}
		}
	}


	int draw_x, draw_y, size;
	for (int i = 0; i < MAP_CNT; i++)
	{
		draw_y = (i / MAP_COLUMN) * MAP_SIZE + MAP_SIZE / 2;
		draw_x = (i % MAP_COLUMN) * MAP_SIZE + MAP_SIZE / 2;

		switch (map[i])
		{
		case 1:	setfillcolor(WHITE);	size = POINT_SIZE;	 break;
		case 2:	setfillcolor(YELLOW);	size = POINT_BIG_SIZE;		 break;
		default:
			continue;
		}

		solidcircle(draw_x, draw_y, size);

	}

	SetWorkingImage(NULL);

}



void Map::Test()
{
	fstream f;
	f.open("image/data.txt", ios::in);
	//文件打开方式选项：
	//　ios::in　　　　= 0x01,　//供读，文件不存在则创建(ifstream默认的打开方式)
	//　ios::out　　　 = 0x02,　//供写，文件不存在则创建，若文件已存在则清空原内容(ofstream默认的打开方式)
	//　ios::ate　　　 = 0x04,　//文件打开时，指针在文件最后。可改变指针的位置，常和in、out联合使用
	//　ios::app　　　 = 0x08,　//供写，文件不存在则创建，若文件已存在则在原文件内容后写入新的内容，指针位置总在最后
	//　ios::trunc　　 = 0x10,　//在读写前先将文件长度截断为0（默认）
	//　ios::nocreate　= 0x20,　//文件不存在时产生错误，常和in或app联合使用
	//　ios::noreplace = 0x40,　//文件存在时产生错误，常和out联合使用
	//　ios::binary　　= 0x80　 //二进制格式文件

	if (!f)
	{
		//cout << "打开文件出错" << endl;
		return;
	}

	//按字节读入并输出
	char ch;
	int i = 0, j = 0;
	while (EOF != (ch = f.get()))
	{
		if (ch == ' ')
			continue;
		else if (ch == '\n')
		{
			i++;
			j = 0;
		}
		else
		{
			SetMap(j, i, ch - '0');
			j++;
		}
			
	}

	f.close();

	//	string map_str =
	//"3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 \
	//3 1 1 1 1 1 1 3 1 1 1 1 1 1 3 \
	//3 1 3 3 1 3 1 3 1 3 3 1 3 1 3 \
	//3 1 3 3 1 1 1 1 1 1 1 1 3 1 3 \
	//3 1 3 3 1 3 1 3 3 3 1 3 3 1 3 \
	//3 1 1 1 1 3 1 1 1 1 1 3 3 1 3 \
	//3 1 3 1 3 3 3 1 3 3 1 1 1 1 3 \
	//3 1 3 1 3 3 3 1 3 3 1 3 3 1 3 \
	//3 1 1 1 1 1 1 1 1 1 1 1 1 1 3 \
	//3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 \
	//e";
	//	int k = 0;
	//	int len = map_str.length();
	//	for (int i = 0; i <len; i++)
	//	{
	//		if (map_str[i] == 'e')
	//			break;
	//		if (map_str[i] == ' ')
	//			continue;
	//		if (map_str[i] == '3')
	//			map[k++] = 3;
	//		else if (map_str[i] == '1')
	//			map[k++] = 1;
	//		else
	//			map[k++] = 0;
	//	}
}