Software Development/C, C++

C언어로 게임만들기 - 5. 첫번째 게임_5)코드정리

huiyu 2017. 3. 28. 20:01

이제 구현한 게임을 상황(State)에 맞게 나눠 대기상태->게임상태->게임종료로 나눠야 하는데요,
그전에 코드를 조금 정리하고 진행하도록 하겠습니다.

게임전체 코드를 아래와 같이 헤더를 분리하고 함수별로 나눴습니다.

game.h

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char PLAYER_STR[] = "└─●─┘";
typedef struct Position
{
    int x, y;
}Position;
 
typedef struct Player
{
    Position position;
    Position center;
    char *strPlayer;// = "└─●─┘";//주인공 캐릭터
    int nLength; //주인공 캐릭터 전체 길이
}Player;
 
typedef struct Ball
{
    int isReady;
    Position position;
    clock_t moveTime;
    clock_t oldTime;
}Ball;
 
typedef struct GoalPost
{
    Position position;
    int nLength;
    int nLineX[7];
    int nDist;
    clock_t moveTime;
    clock_t oldTime;
}GoalPost;
cs


game.c - 선언부분

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#include<stdio.h>
#include<time.h>
#include<conio.h>
 
#include"screen.h"
#include"fps.h"
 
#include"game.h"
 
#define GAME_MAX_WIDTH 40
 
FPSData* fpsData;
Player g_Player;
Ball g_Ball;
 
GoalPost g_Post;
int score = 0;
cs


game.c -게임관련 함수

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void InitGameData()
{
    g_Player.position.y = 22;
    g_Player.position.x = 4;
 
    g_Player.center.x = 4;
    g_Player.center.y = 0;
 
    g_Player.nLength = strlen(PLAYER_STR);
 
    g_Player.strPlayer = (char*)malloc(sizeof(char)*g_Player.nLength);
    strcpy(g_Player.strPlayer, PLAYER_STR);
 
    //Ball 초기화
    g_Ball.isReady = 1;
    g_Ball.position.x = g_Player.position.x;
    g_Ball.position.y = g_Player.position.y - 1;
    g_Ball.moveTime = 100;
 
    //Goal-Post 초기화
    g_Post.position.x = 20;
    g_Post.position.y = 3;
    g_Post.nLength = 1;
    g_Post.moveTime = 100;
    g_Post.oldTime = clock();
    g_Post.nDist = 1;
 
    int nLength = g_Post.nLength * 2 + 1;
    for (int i = 0; i < nLength; i++)
        g_Post.nLineX[i] = g_Post.position.x + 2 * (i + 1);
 
}
 
void ResetBall()
{
    g_Ball.isReady = 1;
    g_Ball.position.x = g_Player.position.x;
    g_Ball.position.y = g_Player.position.y - 1;
}
 
void UpdateBall(clock_t CurTime)
{
    int nLength = g_Post.nLength * 2 + 1;
    if (g_Ball.isReady == 0)
    {
        if ((CurTime - g_Ball.oldTime) > g_Ball.moveTime)
        {
            if (g_Ball.position.y > 0)
            {
                g_Ball.position.y--;
                g_Ball.oldTime = CurTime;
 
                //골대 라인충돌 시
                if (g_Ball.position.x >= g_Post.nLineX[0] && g_Ball.position.x + 1 <= g_Post.nLineX[nLength - 1])
                {
                    if (g_Ball.position.y <= g_Post.position.y)
                    {
                        ResetBall();
                        score++;
                    }
                }
                //골대 충돌
                else if ((g_Ball.position.x >= g_Post.nLineX[0] - 2 && g_Ball.position.x <= g_Post.nLineX[0] - 1) ||
                    (g_Ball.position.x + 1 >= g_Post.nLineX[0] - 2 && g_Ball.position.x + 1 <= g_Post.nLineX[0] - 1) ||
                    (g_Ball.position.x >= g_Post.nLineX[nLength - 1] + 2 && g_Ball.position.x <= g_Post.nLineX[nLength - 1] + 3) ||
                    (g_Ball.position.x + 1 >= g_Post.nLineX[nLength - 1] + 2 && g_Ball.position.x + 1 <= g_Post.nLineX[nLength - 1] + 3))
                {
                    if (g_Ball.position.y <= g_Post.position.y)
                    {
                        ResetBall();
                    }
                }
            }
            else
            {
                ResetBall();
            }
        }
    }
}
 
 
void UpdateGoalPost(clock_t CurTime)
{    
    //골대 처리
    if (CurTime - g_Post.oldTime > g_Post.moveTime)
    {
        g_Post.oldTime = CurTime;
        if (g_Post.position.x + g_Post.nDist >= 0 && ((g_Post.nLineX[nLength - 1] + 3) + g_Post.nDist) <= GAME_MAX_WIDTH)
        {
            g_Post.position.x += g_Post.nDist;
            for (int i = 0; i < nLength; i++)
            {
                g_Post.nLineX[i] = g_Post.position.x + 2 * (i + 1);
            }
        }
        else
        {
            g_Post.nDist *= (-1);
        }
    }
}
 
void DrawGoalPost()
{
    /*Draw Goal-post*/
    ScreenPrint(g_Post.position.x, g_Post.position.y, "□");
    int nLength = g_Post.nLength * 2 + 1;
    for (int i = 0; i < nLength; i++)
        ScreenPrint(g_Post.nLineX[i], g_Post.position.y, "━");
    ScreenPrint(g_Post.nLineX[nLength - 1] + 2, g_Post.position.y, "□");
}
 
void DrawPlayer()
{
    /*Draw Player*/
    char string[100] = { 0, };
    sprintf(string, "Score: %d", score);
    ScreenPrint(0, 2, string);
 
    int printX = g_Player.position.x - g_Player.center.x;
    if (printX < 0)
    {
        ScreenPrint(0, g_Player.position.y, &g_Player.strPlayer[printX*-1]);
    }
    else if (g_Player.position.x + g_Player.center.x + 1 > GAME_MAX_WIDTH)
    {
        strncat(string, g_Player.strPlayer, g_Player.nLength - ((g_Player.position.x + g_Player.center.x + 1) - GAME_MAX_WIDTH));
        ScreenPrint(printX, g_Player.position.y, string);
    }
    else
    {
        ScreenPrint(printX, g_Player.position.y, g_Player.strPlayer);
    }
 
}
cs


game.c -  메인 기능 함수

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void Init()
{
    InitFPSData(&fpsData);
    InitGameData();
}
 
void Update()
{
    //공의 이동처리
    clock_t CurTime = clock();
    UpdateBall(CurTime);
    UpdateGoalPost(CurTime);
}
 
void Render()
{
    ScreenClear();
    DrawFPS(&fpsData);
    
    DrawGoalPost();
    DrawPlayer();
 
    /*Draw Ball*/
    ScreenPrint(g_Ball.position.x, g_Ball.position.y, "◎");
 
    /*Draw Text*/
    char string[100] = { 0, };
    sprintf(string, "주인공 이동좌표 : %d, %d", g_Player.position.x, g_Player.position.y);
    ScreenPrint(0, 1, string);
 
    ScreenFlipping();
}
 
void Release()
{
    DestoyFPSData(&fpsData);
}
 
 
void WaitRender(clock_t OldTime)
{
    clock_t CurTime;
    while (1)
    {
        CurTime = clock();
        if (CurTime - OldTime > 13)
            break;
    }
}
 
int GetKeyEvent()
{
    if (_kbhit())
        return _getch();
 
    return -1;
}
 
void KeyProcess(int key)
{
    int remain;
    switch (key)
    {
    case 'j':
        if (g_Player.position.x <= 0) break;
        g_Player.position.x--;
        if (g_Player.position.x- g_Player.center.x < 0 || g_Player.position.x + (g_Player.center.x*2) + 1 >GAME_MAX_WIDTH)
        {
            g_Player.position.x--;
        }
        if (g_Ball.isReady)
        {
            ResetBall();
        }
        break;
    case'l':
        if (g_Player.position.x + 1 >= GAME_MAX_WIDTH) break;
        g_Player.position.x++;
        if (g_Player.position.x+(g_Player.center.x*2)+1 >40||g_Player.position.x - g_Player.center.x < 0)
        {
            g_Player.position.x++;
        }
        if (g_Ball.isReady)
        {
            ResetBall();
        }
        break;
    case'k':
        if (g_Ball.isReady)
        {
            ResetBall();
            g_Ball.oldTime = clock();
            g_Ball.isReady = 0;
        }
        break;
    }
}
cs


game.c - main()

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int main()
{
    ScreenInit();
    Init();//초기화
 
    while (1)
    {
        int nKey = GetKeyEvent();
        if (nKey == 'q')
            break;
        KeyProcess(nKey);
 
        Update();//데이터 갱신
 
        Render();//화면 출력
        WaitRender(clock());
 
    }
 
    Release();//해제
    ScreenRelease();
    return 0;
}
cs


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