void CreateFood() {
Food.pos_x = rand() % 10 + 1;
Food.pos_y = rand() % 10 + 1;
if (SnakeHead.pos_x == Food.pos_x && SnakeHead.pos_y == Food.pos_y)
CreateFood();
for (int i = 0; i < length; i++)
if (Food.pos_x == SnakeBody[i].pos_x && Food.pos_y == SnakeBody[i].pos_y)
CreateFood();
}
// 游戏的初始化，
// 创建游戏的内部数据结构和系统对象。
void CreateGame(HWND hwnd, // 主窗口句柄
DWORD dwInitTimerElapse, //
unsigned int one_level_scores,
DOUBLE level_speedup_ratio,
int boundary_x, int boundary_y,
int init_x, int init_y,
int init_len,
dirction init_dir)
{
// 设置随机数种子
// 需要使用随机数生成食物的位置等。
FILETIME ft;
GetSystemTimeAsFileTime(&ft);
srand(ft.dwLowDateTime);
dbLevelSpeedupRatio = level_speedup_ratio;
dwTimerElapse = dwInitTimerElapse;
dwOneLevelScores = one_level_scores;
// 设置游戏的边界
SetBoundary(boundary_x, boundary_y);
// 创建表示贪吃蛇的数据结构
CreateSnake(init_dir, init_x, init_y, init_len);
// 创建表示食物的数据结构
CreateFood();
// 创建一个计时器
// 每经过 dwTimerElapse 毫秒，hwnd窗口（主窗口）就会收到一个WM_TIMER消息。
// 计时器是驱动本游戏进行的主要时间线。
// dwTimerElapse变量影响游戏进行的快慢变化。
SetTimer(hwnd, TIMER_ID, dwTimerElapse, NULL);
}
void Init(){
char kb = 's', default_kb = 's';
Randomxy(&snake->posx, &snake->posy);
snake->next = snake; snake->prv = snake; tail = snake;//构成循环
Paint(body); CreateFood();
while (1){
if (kbhit())kb = getch(); if (kb < 97) kb += 32;
switch (kb){
case'w': if (default_kb != 's'){ Move; tail->posy--; }else kb = default_kb; break;
case 's':if (default_kb != 'w') { Move; tail->posy++; }else kb = default_kb; break;
case'a': if (default_kb != 'd') { Move; tail->posx--; }else kb = default_kb; break;
case'd': if (default_kb != 'a'){ Move; tail->posx++; }else kb = default_kb; break;
}
default_kb = kb; snake = tail; tail = tail->prv; //新的头结点,要一个节点标记蛇身最后一个
if (IsEat()) {CreateFood(); CreateNode(); Paint(create);}
Paint(body);
}
}
// 游戏控制的一个主要流程。
// 当计时器发生时进行的处理逻辑。
void OnTimer(HWND hwnd)
{
// 计时器到时以后，蛇移动一步。
// 根据以后以后的状态，进行后续处理。
switch (SnakeMove())
{
// 如果蛇已经死了
case SNAKE_DEAD:
// 首先关闭计时器，避免在计时器的驱动下再次调用本函数
KillTimer(hwnd, TIMER_ID);
// 然后通知玩家，Game Over了，退出进程。
MessageBox(0, "Game Over", "Game Over", 0);
ExitProcess(0);
break;
// 如果蛇吃到了食物
case SNAKE_EATEN_FOOD:
// 计分；
score++;
// 创建新的食物。食物是一个全局唯一变量。
CreateFood();
// 蛇进行生长，然后判断蛇生长以后的状态，进行后续处理。
switch (SnakeGorwup())
{
// 玩家赢了，停止计时器。
case SNAKE_COMPLETE:
KillTimer(hwnd, TIMER_ID);
// 通知玩家，退出进程，结束游戏。
MessageBox(0, "You Win!", "You Win", 0);
ExitProcess(0);
break;
// 发生错误，停止计时器，并退出。
case SNAKE_ERROR:
KillTimer(hwnd, TIMER_ID);
MessageBox(hwnd, "Error!!", "Error!1", MB_OK);
ExitProcess(0);
break;
// 没有结束，也没有错误，正常吃到食物。
case SNAKE_GROWUP:
// 判断计分，是否升级。
if (IS_SPEEDUP(score))
{
level++;
SpeedUp(hwnd);
}
break;
} //switch (SnakeGorwup()) 结束
break;
case SNAKE_MOVED:
break;
}
return;
}
int main() {
SnakeHead.pos_y = 5;
derection = 'd';
for (int i = 0; i < length; i++)
SnakeBody[i].pos_y = 4 - i;
CreateFood();
Map(SNAKE_HEAD, SNAKE_BODY, SNAKE_FOOD);
for (int i = 0; i < 12; i++)
printf("%s\n", map[i]);
while (SnakeHead.life) {
Map(BLANK_CELL, BLANK_CELL, SNAKE_FOOD);
Last = SnakeBody[length - 1];
if (kbhit())
derection = getch();
move();
if (SnakeHead.pos_x == Food.pos_x && SnakeHead.pos_y == Food.pos_y) {
CreateFood();
Grow();
Score++;
if (Score != 0 && Score % 3 == 0)
speed = speed * 0.8;
}
Map(SNAKE_HEAD, SNAKE_BODY, SNAKE_FOOD);
system("CLS");
for (int i = 0; i < 12; i++)
printf("%s\n", map[i]);
Sleep(speed);
if (SnakeHead.pos_x == 0 || SnakeHead.pos_x == 11 || SnakeHead.pos_y == 0 || SnakeHead.pos_y == 11)
SnakeHead.life = 0;
for (int i = 0; i < length; i++)
if ((SnakeHead.pos_x == SnakeBody[i].pos_x && SnakeHead.pos_y == SnakeBody[i].pos_y) || length == SNAKE_MAX_LENGTH)
SnakeHead.life = 0;
}
if (length == SNAKE_MAX_LENGTH)
printf("You win!\n");
else
printf("Game Over!\nScore = %d\n", Score);
system("pause");
return 0;
}
void DispatchMessage()
{
InitSnake();
InitWall();
while (1)
{
CreateFood();
CreateAward();
DrawString(10, 0, " Score:%04d ", score);
AppendSnakeNodeList(Head, Orientation);
CheckAward();
if (CheckSnake() || CheckWall())
{
DrawString(2, 2, "你死啦！ 按任意键重新开始玩！");
getch();
break;
}
DrawString(Head->Location.x, Head->Location.y, "◎");
if (!CheckFood())
{
DrawString(Tail->Location.x, Tail->Location.y, " ");
DeleteSnakeNodeList(Tail);
}
int keep = 0;
if (kbhit())
{
switch (getch())
{
case 0x1b://按下ESC，暂停游戏
getch();
continue;
case 0xE0://按下特殊键
switch (getch())
{
case 75: if(Orientation==0) keep = 1;if (Orientation%2!=0) Orientation=0; break;
case 72: if(Orientation==1) keep = 1;if (Orientation%2==0) Orientation=1; break;
case 77: if(Orientation==2) keep = 1;if (Orientation%2!=0) Orientation=2; break;
case 80: if(Orientation==3) keep = 1;if (Orientation%2==0) Orientation=3; break;
default: ;
}
break;
}
}
if(!keep&&(100-score*2)>10)Sleep(100-score*2);//难度提升
else Sleep(10);
}
}
void Level1::CreateAllEntities()
{
// EntityFactory::CreateBackground();
EntityFactory::CreateCamera(CFG_GETF("LEVEL_1_CAMERA_HEIGHT"));
CreateButtons();
CreateAreas();
// Cells and food must be created after areas to be rendered above them.
auto player = EntityFactory::CreatePlayer();
Engine::GetInstance().AddComponent(
std::make_shared<AIComponent>("EatableComponent"), player);
// CreateCells();
CreateBacteria();
CreateFood();
}
//
// FUNCTION: WndProc(HWND, unsigned, WORD, LONG)
//
// PURPOSE: Processes messages for the main window.
//
// WM_COMMAND - process the application menu
// WM_PAINT - Paint the main window
// WM_DESTROY - post a quit message and return
//
//
LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
int wmId, wmEvent;
PAINTSTRUCT ps;
HDC hdc,hMemDC;
TCHAR szHello[MAX_LOADSTRING];
LoadString(hInst, IDS_HELLO, szHello, MAX_LOADSTRING);
switch (message)
{
case WM_COMMAND:
wmId = LOWORD(wParam);
wmEvent = HIWORD(wParam);
// Parse the menu selections:
switch (wmId)
{
case IDM_ABOUT:
DialogBox(hInst, (LPCTSTR)IDD_ABOUTBOX, hWnd, (DLGPROC)About);
break;
case IDM_EXIT:
DestroyWindow(hWnd);
break;
case IDM_UP:
SendMessage(hWnd,WM_KEYDOWN,(WPARAM)VK_UP,0);
break;
case IDM_LEFT:
SendMessage(hWnd,WM_KEYDOWN,(WPARAM)VK_LEFT,0);
break;
case IDM_RIGHT:
SendMessage(hWnd,WM_KEYDOWN,(WPARAM)VK_RIGHT,0);
break;
case IDM_DOWN:
SendMessage(hWnd,WM_KEYDOWN,(WPARAM)VK_DOWN,0);
break;
case IDM_START_PAUSE:
SendMessage(hWnd,WM_KEYDOWN,(WPARAM)VK_SPACE,0);
break;
default:
return DefWindowProc(hWnd, message, wParam, lParam);
}
break;
case WM_CREATE:
m = 20;
n = 15;
for(i = 0; i < n_body; i++)
{
Position[i].x = m-i;
Position[i].y = n;
Matrix[Position[i].x][Position[i].y] = 1;
}
CreateFood();
CreateUI(hWnd);
SetTimer(hWnd,100,speed,NULL);
break;
case WM_KEYDOWN:
switch(wParam)
{
case VK_UP:
//KillTimer(hWnd,100);
if(direction != 2 && n>0 && CheckOver(hWnd,m,n-1))
{
for(i = 0; i < n_body; i++)
{
Matrix[Position[i].x][Position[i].y] = 0;
}
n--;
CheckFood();
for(i = n_body-1; i > 0; i--)
{
Position[i] = Position[i-1];
}
Position[0].y = n;
for(i = 0; i < n_body; i++)
{
Matrix[Position[i].x][Position[i].y] = 1;
}
CreateFood();
direction = 0;
DrawUI(hWnd);
}
else
MessageBeep(0);
// SetTimer(hWnd,100,500,NULL);
break;
case VK_LEFT:
// KillTimer(hWnd,100);
if(direction != 1 && m>0 && CheckOver(hWnd,m-1,n))
{
for(i = 0; i < n_body; i++)
{
Matrix[Position[i].x][Position[i].y] = 0;
}
m--;
CheckFood();
for(i = n_body-1; i > 0; i--)
{
Position[i] = Position[i-1];
}
Position[0].x = m;
for(i = 0; i < n_body; i++)
{
Matrix[Position[i].x][Position[i].y] = 1;
}
CreateFood();
direction = 3;
DrawUI(hWnd);
}
else
MessageBeep(0);
// SetTimer(hWnd,100,500,NULL);
break;
case VK_RIGHT:
//KillTimer(hWnd,100);
if(direction != 3 && m<39 && CheckOver(hWnd,m+1,n))
{
for(i = 0; i < n_body; i++)
{
Matrix[Position[i].x][Position[i].y] = 0;
}
m++;
CheckFood();
for(i = n_body-1; i > 0; i--)
{
Position[i] = Position[i-1];
}
Position[0].x = m;
for(i = 0; i < n_body; i++)
{
Matrix[Position[i].x][Position[i].y] = 1;
}
CreateFood();
direction = 1;
DrawUI(hWnd);
}
else
MessageBeep(0);
// SetTimer(hWnd,100,500,NULL);
break;
case VK_SPACE:
if(start_or_pause)
{
KillTimer(hWnd,100);
start_or_pause = false;
}else
{
SetTimer(hWnd,100,speed,NULL);
start_or_pause = true;
}
break;
case VK_DOWN:
// KillTimer(hWnd,100);
if(direction != 0 && n<31 && CheckOver(hWnd,m,n+1) )
{
for(i = 0; i < n_body; i++)
{
Matrix[Position[i].x][Position[i].y] = 0;
}
n++;
CheckFood();
for(i = n_body-1; i > 0; i--)
{
Position[i] = Position[i-1];
}
Position[0].y = n;
for(i = 0; i < n_body; i++)
{
Matrix[Position[i].x][Position[i].y] = 1;
}
CreateFood();
direction = 2;
DrawUI(hWnd);
}
else
MessageBeep(0);
// SetTimer(hWnd,100,500,NULL);
break;
}
break;
case WM_PAINT:
hdc = BeginPaint(hWnd, &ps);
// TODO: Add any drawing code here...
//GetClientRect(hWnd, &rt);
hbr = (HBRUSH)GetStockObject(BLACK_BRUSH);
hBmp = LoadBitmap(hInst, MAKEINTRESOURCE(IDB_BITMAP1));
hMemDC = CreateCompatibleDC(hdc);
hBmpOld = (HBITMAP)SelectObject(hMemDC,hBmp);
//Matrix[10][10] = 1;
for(i = 0; i < 40; i++)
for(j =0; j <32; j++)
{
rt.left = i * 16;
rt.top = 24 + j *16;
switch(Matrix[i][j])
{
case 0:
{
rt.right = rt.left + 16;
rt.bottom = rt.top + 16 ;
FillRect(hdc,&rt,hbr);
}
break;
case 1:
{
hBmp = LoadBitmap(hInst, MAKEINTRESOURCE(IDB_BITMAP1));
hMemDC = CreateCompatibleDC(hdc);
hBmpOld = (HBITMAP)SelectObject(hMemDC,hBmp);
BitBlt(hdc,rt.left,rt.top,16,16,hMemDC,0,0,SRCCOPY);
SelectObject(hMemDC, hBmpOld);
DeleteObject(hBmp);
DeleteObject(hMemDC);
}
break;
case 2:
{
hBmp = LoadBitmap(hInst, MAKEINTRESOURCE(IDB_BITMAP2));
hMemDC = CreateCompatibleDC(hdc);
hBmpOld = (HBITMAP)SelectObject(hMemDC,hBmp);
BitBlt(hdc,rt.left,rt.top,16,16,hMemDC,0,0,SRCCOPY);
SelectObject(hMemDC, hBmpOld);
DeleteObject(hBmp);
DeleteObject(hMemDC);
}
break;
}
}
SelectObject(hMemDC, hBmpOld);
DeleteObject(hBmp);
DeleteObject(hMemDC);
EndPaint(hWnd, &ps);
break;
case WM_TIMER:
//KillTimer(hWnd,100);
switch(direction)
{
case 0://UP
for(i = 0; i < n_body; i++)
{
Matrix[Position[i].x][Position[i].y] = 0;
}
if(n>0)
{
n--;
}
else
{
//MessageBox(NULL,"Game Over!",NULL,NULL);
KillTimer(hWnd,100);
gameover = false;
}
CheckFood();
for(i = n_body-1; i > 0; i--)
{
Position[i] = Position[i-1];
}
Position[0].y = n;
for(i = 0; i < n_body; i++)
{
Matrix[Position[i].x][Position[i].y] = 1;
}
CreateFood();
DrawUI(hWnd);
break;
case 1://RIGHT
for(i = 0; i < n_body; i++)
{
Matrix[Position[i].x][Position[i].y] = 0;
}
if(m<39)
m++;
else
{
//MessageBox(NULL,"Game Over!",NULL,NULL);
KillTimer(hWnd,100);
gameover = false;
}
CheckFood();
for(i = n_body-1; i > 0; i--)
{
Position[i] = Position[i-1];
}
Position[0].x = m;
for(i = 0; i < n_body; i++)
{
Matrix[Position[i].x][Position[i].y] = 1;
}
CreateFood();
DrawUI(hWnd);
break;
case 2://DOWN
for(i = 0; i < n_body; i++)
{
Matrix[Position[i].x][Position[i].y] = 0;
}
if(n<31)
n++;
else
{
// MessageBox(NULL,"Game Over!",NULL,NULL);
KillTimer(hWnd,100);
gameover = false ;
}
CheckFood();
for(i = n_body-1; i > 0; i--)
{
Position[i] = Position[i-1];
}
Position[0].y = n;
for(i = 0; i < n_body; i++)
{
Matrix[Position[i].x][Position[i].y] = 1;
}
CreateFood();
DrawUI(hWnd);
break;
case 3://LEFT
for(i = 0; i < n_body; i++)
{
Matrix[Position[i].x][Position[i].y] = 0;
}
if(m>0)
m--;
else
{
//MessageBox(NULL,"Game Over!",NULL,NULL);
KillTimer(hWnd,100);
gameover = false;
}
CheckFood();
for(i = n_body-1; i > 0; i--)
{
Position[i] = Position[i-1];
}
Position[0].x = m;
for(i = 0; i < n_body; i++)
{
Matrix[Position[i].x][Position[i].y] = 1;
}
CreateFood();
DrawUI(hWnd);
break;
}
//SetTimer(hWnd,100,500,NULL);
break;
case WM_DESTROY:
PostQuitMessage(0);
break;
default:
return DefWindowProc(hWnd, message, wParam, lParam);
}
return 0;
}
