C언어 뱀게임 코드

재작년에 C언어 수업을 들으면서 팀프로젝트로 했던 뱀게임 코드입니다

기존 다른분께서 0.1버전으로 올려주신걸 기반으로 약간씩 수정하고 추가하는 방법으로 했네요

버전 1.3이라고 되어있긴 한데 흠..

아래는 소스 코드 

#include "StdAfx.h"

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



#define EXT_KEY 0xffffffe0 //확장키 인식값
#define KEY_LEFT 0x4b
#define KEY_RIGHT 0x4d
#define KEY_UP 0x48
#define KEY_DOWN 0x50


enum {
BLACK,      /*  0 : 까망 */
DARK_BLUE,    /*  1 : 어두운 파랑 */
DARK_GREEN,    /*  2 : 어두운 초록 */
DARK_SKY_BLUE,  /*  3 : 어두운 하늘 */
DARK_RED,    /*  4 : 어두운 빨강 */
DARK_VOILET,  /*  5 : 어두운 보라 */
DARK_YELLOW,  /*  6 : 어두운 노랑 */
GRAY,      /*  7 : 회색 */
DARK_GRAY,    /*  8 : 어두운 회색 */
BLUE,      /*  9 : 파랑 */
GREEN,      /* 10 : 초록 */
SKY_BLUE,    /* 11 : 하늘 */
RED,      /* 12 : 빨강 */
VOILET,      /* 13 : 보라 */
YELLOW,      /* 14 : 노랑 */
WHITE,      /* 15 : 하양 */
};

//*********************************
//구조체 선언
//*********************************
struct BODY{
int x;
int y;
struct BODY * next;
};

//*********************************
//전역변수선언
//*********************************
int abs_x, abs_y;
int food_x, food_y;
int speed; //속도
int score;  //점수
int life; //생명
char name[10]; //이름 입력받는 변수
char rankname[10][10];  //랭킹이름 저장 변수
int rankscore[10]; //랭킹점수 저장 변수
int length; //꼬리의 길이
int direction; //현재 뱀의 머리가 향하는 방향. (멈춤:0, 위:1,왼쪽:2,오른쪽:3,아래:4)
int last_direction; //이전 스템에서 움직인 방향 //한스템에서 방향을 두번바꿀시 충돌 디버깅을 위함
char screen[20][35];
struct BODY *snake_head;
struct BODY *snake_tail;

//*********************************
//함수 선언
//*********************************

int make_food(); //먹이를 생성한다.
int free_all(); //프로그램을 끝내기전 할당된 메모리를 모두 해제한다.
int move_snake(int dir);
int make_tail(int dir);
int gotoxy(int x, int y);
void SetColor(int color);
int show_gameover();
int show_game_frame();
int strike_check(int x, int y); //이동하려는 좌표
int init(); //각종변수 초기화
int game(); //게임시작
int menu(); //메뉴출력
int showranking(); //랭킹보여주는 화면
int ranking(); //랭킹계산 화면
int credits(); //크래딧

int main(int argc, char* argv[])
{
int i;

for (i = 0; i <= 9; i++)//초기 랭킹 값 설정
{
rankscore[i] = (10-i) * 1000;
}
menu();
}

int menu()
{
char m;

show_game_frame();

gotoxy(13, 5);
printf("슈퍼뱀이 돌아왔다");

gotoxy(10, 10);
printf("1. Game Start");
gotoxy(10, 11);
printf("2. Ranking");
gotoxy(10, 12);
printf("3. Credits");
gotoxy(10, 13);
printf("4. Exit");


while (1)
{
gotoxy(10, 15);
fgets(&m,2,stdin);

switch (m)
{
case '1': game(); break;
case '2': showranking(); break;
case '3': credits(); break;
case '4': gotoxy(10, 16); SetColor(BLACK); exit(0); break;
default: gotoxy(10, 17); printf("정확한 숫자를 입력해주세요."); break;
}
}

return 0;
}

int showranking()
{
int i;

show_game_frame();

gotoxy(10, 5);
printf("Ranking");
for (i = 0; i <= 9; i++)
{
gotoxy(10, 7 + i);
printf("%d등 %s", i+1, rankname[i]);
gotoxy(26, 7 + i);
printf("%d점",rankscore[i]);
}
gotoxy(10, 19);
printf("아무키나 누르면 메뉴로 돌아갑니다.");

Sleep(1000);

SetColor(BLACK);
_getche();
fflush(stdin);
fflush(stdout);

menu();

return 0;
}

int credits()
{
show_game_frame();

gotoxy(10, 5);
printf("Credits");
gotoxy(10, 7);
printf("made by Team.Snakemaker");
gotoxy(11, 8);
printf("Leader 성수");
gotoxy(11, 9);
printf("Member 혜인");
gotoxy(18, 10);
printf("정호");
gotoxy(18, 11);
printf("하경");
gotoxy(10, 13);
printf("Thanks to Jae-Dong Who is Snake Ver 0.1 maker");

gotoxy(10, 19);
printf("아무키나 누르면 메뉴로 돌아갑니다.");

Sleep(1000);

SetColor(BLACK);
_getche();
fflush(stdin);
fflush(stdout);

menu();

return 0;
}

int game()
{
init();
int i;
char keytemp;
int return_tmp = 0;


gotoxy(77, 23);
printf(" \b");
show_game_frame();
make_food();
for (i = 1; 1; i++)
{
if (_kbhit())
{
keytemp = _getche();
if (keytemp == EXT_KEY)
{
printf("\b");
keytemp = _getche();
switch (keytemp)
{
case KEY_UP:
if (last_direction != 4)
direction = 1;
break;
case KEY_LEFT:
if (last_direction != 3)
direction = 2;
break;
case KEY_RIGHT:
if (last_direction != 2)
direction = 3;
break;
case KEY_DOWN:
if (last_direction != 1)
direction = 4;
break;
}
}
}
if (i%(50-speed) == 0)
{
if (return_tmp == 2) //꼬리가 늘어남
{
return_tmp = make_tail(direction);
}
else
{
fflush(stdin);
return_tmp = move_snake(direction); //단순히 이동
}

last_direction = direction;

if (return_tmp == 1) //충돌할때
{
printf("\a\a");
life--;
if (life <= 0)
{
printf("\a\a");
show_gameover();
ranking();
free_all();
showranking();
}

show_game_frame();
make_food();

length = 1;
abs_x = 2;
abs_y = 2;
speed = (30 + speed) / 2;
direction = 3;
last_direction = direction;

snake_tail = (struct BODY *)malloc(sizeof(struct BODY));
snake_tail->x = 5;
snake_tail->y = 3;
snake_head = snake_tail;
snake_tail = (struct BODY *)malloc(sizeof(struct BODY));
snake_tail->x = 4;
snake_tail->y = 3;
snake_tail->next = NULL;
snake_head->next = snake_tail;
gotoxy(0, 23);
SetColor(GRAY);
printf("Score : %d\tSpeed : %d\tLife : %d", score, speed, life);
}

if (return_tmp == 2) //먹이를 먹었을때
{
printf("\a");
score = score + length*speed;
if (speed < 45)
speed++;
length++;
i = 1;
make_food();
gotoxy(0, 23);
SetColor(GRAY);
printf("Score : %d\tSpeed : %d\tLife : %d", score, speed, life);
}
}

SetColor(BLACK);
gotoxy(77, 23);
Sleep(10);
SetColor(BLACK);
gotoxy(77, 23);
}
}

int ranking()
{
int i, j, imsiscore;
char imsiname[10];

show_game_frame();
gotoxy(10, 10);
printf("Name : ");
fgets(name, 10, stdin);

for (i = 0; i <= 9; i++)
{
if (rankscore[i] <= score)
{
imsiscore = rankscore[i];
for (j = 0; j <= 9; j++)
{
imsiname[j] = rankname[i][j];
}
rankscore[i] = score;
for (j = 0; j <= 9; j++)
{
rankname[i][j] = name[j];
}
score = imsiscore;
for (j = 0; j <= 9; j++)
{
name[j] = imsiname[j];
}
}
}

return 0;
}

int init()
{
srand(time(NULL));

//전역변수 초기화
length = 1;
abs_x = 2;
abs_y = 2;
speed = 30;
direction = 3;
last_direction = direction;
score = 0;
life = 3;

//뱀초기값 입력
snake_tail = (struct BODY *)malloc(sizeof(struct BODY));
snake_tail->x = 5;
snake_tail->y = 3;
snake_head = snake_tail;
snake_tail = (struct BODY *)malloc(sizeof(struct BODY));
snake_tail->x = 4;
snake_tail->y = 3;
snake_tail->next = NULL;
snake_head->next = snake_tail;
return 0;
}


int gotoxy(int x, int y)
{
HANDLE hConsole = GetStdHandle(STD_OUTPUT_HANDLE);
COORD pos;
pos.Y = y;
pos.X = x;
SetConsoleCursorPosition(hConsole, pos);
return 0;
}

void SetColor(int color)

{
static HANDLE std_output_handle = GetStdHandle(STD_OUTPUT_HANDLE);
SetConsoleTextAttribute(std_output_handle, color);

}

int show_gameover()
{
SetColor(RED);
gotoxy(15, 8);
printf("┏━━━━━━━━━━━━━┓");
gotoxy(15, 9);
printf("┃**************************┃");
gotoxy(15, 10);
printf("┃*        GAME OVER       *┃");
gotoxy(15, 11);
printf("┃**************************┃");
gotoxy(15, 12);
printf("┗━━━━━━━━━━━━━┛");

Sleep(500);

_getche();
fflush(stdin);
fflush(stdout);
system("cls");
return 0;
}


int show_game_frame()
{
int i;
SetColor(GRAY);
system("cls");
gotoxy(0, 1);
printf("┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓");
for (i = 2; i<22; i++)
{
gotoxy(0, i);
printf("┃");
gotoxy(72, i);
printf("┃");
}
gotoxy(0, 20 + abs_y);
printf("┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┛");


gotoxy(4, 0);
printf("Super Snake is back  Ver 1.3        Made by Team.Snakemaker");

gotoxy(0, 23);
printf("Score : %d\tSpeed : %d\tLife : %d", score, speed, life);

return 0;
}


int move_snake(int dir)
{
int tmp_x, tmp_y;
int i;
struct BODY *tmp_body;


tmp_x = snake_head->x;
tmp_y = snake_head->y;
switch (direction)
{
case 1:
tmp_y--;
break;
case 2:
tmp_x--;
break;
case 3:
tmp_x++;
break;
case 4:
tmp_y++;
break;
}
i = strike_check(tmp_x, tmp_y);
if (i == 1) //충돌할때
{
return 1;
}

gotoxy((snake_tail->x * 2) + abs_x, snake_tail->y + abs_y); //이동후의 잔상지우기
printf("  ");



gotoxy(77, 23); //화면 깨짐을 막기위함
fflush(stdout);

SetColor(GRAY);
gotoxy((snake_head->x * 2) + abs_x, snake_head->y + abs_y); //이동후의 머리모양 잔상지우기
printf("□");
gotoxy(tmp_x * 2 + abs_x, tmp_y + abs_y); //머리모양 프린트하기
printf("■");
gotoxy(77, 23); //화면 깨짐을 막기위함
SetColor(BLACK);


tmp_body = (struct BODY *)malloc(sizeof(struct BODY)); //머리부분의 새로운 노드만들기
tmp_body->x = tmp_x;
tmp_body->y = tmp_y;
tmp_body->next = snake_head;
snake_head = tmp_body;


while (tmp_body->next != snake_tail) //꼬리노드 지우기
tmp_body = tmp_body->next;

tmp_body->next = NULL;
free(snake_tail);
snake_tail = tmp_body;
return i;
}

int strike_check(int x, int y)
{
struct BODY *tmp_body;
if (x<0 || x>34 || y<0 || y>19) //머리가 벽에 부닥침
return 1;
tmp_body = snake_head;
while (tmp_body != NULL)
{
if ((tmp_body->x == x) && (tmp_body->y == y))
return 1;
tmp_body = tmp_body->next;
}
if (food_x == x && food_y == y) //먹이를 물었음
return 2;
return 0;
}

int make_food()
{
food_y = rand() % 20;
food_x = rand() % 35;
while (strike_check(food_x, food_y) == 1)
{
food_y = rand() % 20;
food_x = rand() % 35;
}

gotoxy(77, 23); //화면 깨짐을 막기위함
fflush(stdout);

SetColor(RED);
gotoxy(food_x * 2 + abs_x, food_y + abs_y);
printf("◆");
SetColor(BLACK);
return 0;
}

int free_all()
{
struct BODY *tmp1, *tmp2;

tmp1 = snake_head;
tmp2 = snake_head->next;
while (tmp2 != NULL)
{
free(tmp1);
tmp1 = tmp2;
tmp2 = tmp2->next;
}
return 0;
}

int make_tail(int dir)
{
int tmp_x, tmp_y;
int i;
struct BODY *tmp_body;


tmp_x = snake_head->x;
tmp_y = snake_head->y;
switch (direction)
{
case 1:
tmp_y--;
break;
case 2:
tmp_x--;
break;
case 3:
tmp_x++;
break;
case 4:
tmp_y++;
break;
}
i = strike_check(tmp_x, tmp_y);
if (i == 1) //충돌할때
{
return 1;
}





gotoxy(77, 23); //화면 깨짐을 막기위함
fflush(stdout);

SetColor(GRAY);
gotoxy((snake_head->x * 2) + abs_x, snake_head->y + abs_y); //이동후의 머리모양 잔상지우기
printf("□");
gotoxy(tmp_x * 2 + abs_x, tmp_y + abs_y); //머리모양 프린트하기
printf("■");
gotoxy(77, 23); //화면 깨짐을 막기위함
SetColor(BLACK);


tmp_body = (struct BODY *)malloc(sizeof(struct BODY)); //머리부분의 새로운 노드만들기
tmp_body->x = tmp_x;
tmp_body->y = tmp_y;
tmp_body->next = snake_head;
snake_head = tmp_body;



return i;
}