#include <iostream>
#include <fstream>
#include <vector>
#include <queue>
#include <string>
#include <Windows.h>
using namespace std;
#define MAX_LINE_LENGTH 100
void gotoxy(int x, int y)
{
COORD Pos = { x, y };
SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), Pos);
}
class Vector2 {
public:
Vector2() { x = 0; y = 0; }
Vector2(int x, int y) {
this->x = x; this->y = y;
}
Vector2& operator+=(const Vector2& vector) {
x += vector.x; y += vector.y;
return (*this);
}
int x, y;
};
class Turtle {
public:
void readFile(char *fileName) {
ifstream commandFile;
char command[MAX_LINE_LENGTH];
init(); // 객체 초기화
// 파일 읽기
commandFile.open(fileName, ios::in);
if (commandFile.fail()) {
fprintf(stderr, "파일이 열리지 않습니다.\n");
system("pause");
exit(-1);
}
while (!commandFile.eof()) {
commandFile.getline(command, MAX_LINE_LENGTH);
commandList.push_back(command);
}
commandFile.close();
// 계산
compute(0, commandList.size() - 1);
}
void draw() {
// 배열 생성 및 초기화
size_t width = (arrSize[1] + -arrSize[3]) * 2 + 1, height = (arrSize[0] + -arrSize[2]) * 2 + 1; // * 2 : 간선과 정점, + 1 : 시작 점 포함
char ***drawArr = createDrawArr(width, height);
char *drawChar;
pos = Vector2(-arrSize[3] * 2, -arrSize[2] * 2); // start = (Left, Down)
// 배열에 그리기
while (!dirQueue.empty()) {
dirIndex = dirQueue.front();
if (dirIndex % 2 == 0) drawChar = "│"; // Up or Down
else drawChar = "─"; // Right or Left
pos += dirArr[dirIndex];
drawArr[pos.y][pos.x] = drawChar; // 간선 그리기
pos += dirArr[dirIndex];
drawArr[pos.y][pos.x] = "＊"; // 정점 그리기
dirQueue.pop();
}
// 화면에 그리기
for (int i = height - 1; i >= 0; i--) {
for (int j = 0; j < width; j++)
printf("%s", drawArr[i][j]);
printf("\n");
}
destroyDrawArr(drawArr);
}
void sequenceDraw(unsigned int delay) {
size_t width = (arrSize[1] + -arrSize[3]) * 2 + 1, height = (arrSize[0] + -arrSize[2]) * 2 + 1; // * 2 : 간선과 정점, + 1 : 시작 점 포함
char *drawChar;
pos = Vector2(-arrSize[3] * 2, -arrSize[2] * 2); // start = (Left, Down)
while (!dirQueue.empty()) {
dirIndex = dirQueue.front();
if (dirIndex % 2 == 0) drawChar = "│"; // Up or Down
else drawChar = "─"; // Right or Left
pos += dirArr[dirIndex];
gotoxy(pos.x * 2, height - pos.y - 1);
printf("%s", drawChar); // 간선 그리기
Sleep(delay);
pos += dirArr[dirIndex];
gotoxy(pos.x * 2, height - pos.y - 1);
printf("%s", "＊"); // 정점 그리기
dirQueue.pop();
Sleep(delay);
}
gotoxy(0, height + 1);
}
private:
void init() {
commandList.clear();
dirQueue = queue<int>();
dirIndex = 0;
pos = Vector2(0, 0);
memset(arrSize, 0, sizeof(int) * 4);
}
int classifyCommand(string command) {
// 탭 제거
int i, len = command.size();
for (i = 0; i < len && command[i] == '\t'; i++);
// 분류
if (command[i] == 'r') {
if (command[i + 1] == 'e') return 0; // repeat
else if (command[i + 1] == 'i') return 2; // right
}
else if (command[i] == 'g') return 1; // go
else if (command[i] == 'l') return 3; // left
return -1;
}
void compute(int start, int end) {
for (int i = start + 1; i < end; i++) {
switch (classifyCommand(commandList[i])) {
case 0: // repeat
int repeatNum, tapNum, endTapNum, endLine;
sscanf(commandList[i].c_str(), "%*s %d", &repeatNum); // 반복 횟수 가져오기
// end 문자열 찾기
for (tapNum = 0; commandList[i][tapNum] == '\t'; tapNum++);
for (endLine = i + 1; i < end; endLine++) {
for (endTapNum = 0; commandList[endLine][endTapNum] == '\t'; endTapNum++);
if (endTapNum == tapNum) break;
}
if (commandList[endLine][endTapNum] != 'e') {
fprintf(stderr, "올바른 형식이 아닙니다.\n");
system("pause");
exit(-2);
}
for (int j = 0; j < repeatNum; j++)
compute(i, endLine);
i = endLine;
break;
case 1: // go
dirQueue.push(dirIndex);
pos += dirArr[dirIndex];
switch (dirIndex) {
case 0: if (pos.y > arrSize[0]) arrSize[0] = pos.y; break; // Up
case 1: if (pos.x > arrSize[1]) arrSize[1] = pos.x; break; // Right
case 2: if (pos.y < arrSize[2]) arrSize[2] = pos.y; break; // Down
case 3: if (pos.x < arrSize[3]) arrSize[3] = pos.x; break; // Left
}
break;
case 2: // right
dirIndex = (++dirIndex % 4);
break;
case 3: // left
if (--dirIndex < 0) dirIndex = 3;
break;
}
}
}
char ***createDrawArr(size_t width, size_t height) {
char ***drawArr;
drawArr = new char **[height];
for (int i = 0; i < height; i++) {
drawArr[i] = new char *[width];
for (int j = 0; j < width; j++)
drawArr[i][j] = " ";
}
return drawArr;
}
void destroyDrawArr(char ***& drawArr) {
if (drawArr != nullptr) {
size_t height = (arrSize[0] + -arrSize[2]) * 2 + 1;
for (int i = 0; i < height; i++)
delete[] drawArr[i];
delete[] drawArr;
drawArr = nullptr;
}
}
private:
const Vector2 dirArr[4] = { Vector2(0, 1), Vector2(1, 0), Vector2(0, -1), Vector2(-1, 0) }; // Up, Right, Down, Left
vector<string> commandList;
queue<int> dirQueue;
int dirIndex;
Vector2 pos;
int arrSize[4]; // Up, Right, Down, Left
};
int main(int argc, char *argv[]) {
Turtle turtle;
char *fileName;
if (argc <= 1) {
fileName = "input.txt";
system("cls");
turtle.readFile(fileName);
turtle.sequenceDraw(25);
system("cls");
turtle.readFile(fileName);
turtle.draw();
system("pause");
return 1;
}
for (int i = 1; i < argc; i++) {
fileName = argv[i];
system("cls");
turtle.readFile(fileName);
turtle.sequenceDraw(25);
system("cls");
turtle.readFile(fileName);
turtle.draw();
system("pause");
}
}
baby-0x41414141.tar.gz
Turtle.zip
