kurka

#include <Windows.h>
#include <deque>
#include <time.h>

using namespace std;

#define ID_TIMER1 1
#define ID_TIMER2 2
#define ID_TIMER3 3

enum Direction
{
	LEFT,
	RIGHT,
	NONE
};

struct Naboj
{
	RECT surface;
};

struct Kurka
{
	RECT surface;
	Direction dir;
	int speed;
	int yVel;
};

bool checkCollision(RECT r, LPARAM lParam)
{
	DWORD mouseX = LOWORD(lParam);
	DWORD mouseY = HIWORD(lParam);

	if (mouseX > r.left && mouseX < r.right && mouseY > r.top && mouseY < r.bottom)
		return true;
	return false;
}

deque<Naboj> naboje;
deque<Kurka> kurki;

TCHAR className[] = TEXT("Nazwa_klasy");
TCHAR appName[] = TEXT("Kurka wodna");

LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
	static BITMAP bgInfo, kurkaInfo, nabojInfo;
	static HBITMAP bg, kurka, kurkaMask, naboj, nabojMask;
	static RECT clientRect;
	HDC hdc, hdcMem;
	PAINTSTRUCT ps;
	static bool clicked = false;
	static int hit = 0;
	TCHAR buff[16];

	switch (msg)
	{
	case WM_CREATE:
		SetTimer(hwnd, ID_TIMER1, 10, NULL);
		SetTimer(hwnd, ID_TIMER2, 100, NULL);
		SetTimer(hwnd, ID_TIMER3, 1500, NULL);
		GetClientRect(hwnd, &clientRect);
		bg = (HBITMAP)LoadImage(NULL, TEXT("imgs/bg.bmp"), IMAGE_BITMAP, 0, 0, LR_LOADFROMFILE);
		kurka = (HBITMAP)LoadImage(NULL, TEXT("imgs/kurka.bmp"), IMAGE_BITMAP, 0, 0, LR_LOADFROMFILE);
		kurkaMask = (HBITMAP)LoadImage(NULL, TEXT("imgs/kurkaMask.bmp"), IMAGE_BITMAP, 0, 0, LR_LOADFROMFILE);
		naboj = (HBITMAP)LoadImage(NULL, TEXT("imgs/naboj.bmp"), IMAGE_BITMAP, 0, 0, LR_LOADFROMFILE);
		nabojMask = (HBITMAP)LoadImage(NULL, TEXT("imgs/nabojMask.bmp"), IMAGE_BITMAP, 0, 0, LR_LOADFROMFILE);

		GetObject(bg, sizeof(bgInfo), &bgInfo);
		GetObject(kurka, sizeof(kurkaInfo), &kurkaInfo);
		GetObject(naboj, sizeof(nabojInfo), &nabojInfo);

		for (int i = 0; i < 3; i++)
		{
			Naboj n;
			n.surface.left = 10 * (i * 3);
			n.surface.top = clientRect.bottom - nabojInfo.bmHeight;
			n.surface.right = n.surface.left + nabojInfo.bmWidth;
			n.surface.bottom = clientRect.bottom;
			naboje.push_back(n);
		}
		break;

	case WM_PAINT:
		hdc = BeginPaint(hwnd, &ps);
		hdcMem = CreateCompatibleDC(hdc);

		SelectObject(hdcMem, bg);
		BitBlt(hdc, 0, 0, bgInfo.bmWidth, bgInfo.bmHeight, hdcMem, 0, 0, SRCCOPY);

		if (kurki.size() > 0)
			for (deque<Kurka>::iterator it = kurki.begin(); it != kurki.end(); it++)
			{
				SelectObject(hdcMem, kurkaMask);
				BitBlt(hdc, it->surface.left, it->surface.top, kurkaInfo.bmWidth, kurkaInfo.bmHeight, hdcMem, 0, 0, SRCAND);
				SelectObject(hdcMem, kurka);
				BitBlt(hdc, it->surface.left, it->surface.top, kurkaInfo.bmWidth, kurkaInfo.bmHeight, hdcMem, 0, 0, SRCPAINT);
			}

		if (naboje.size() > 0)
			for (deque<Naboj>::iterator it = naboje.begin(); it != naboje.end(); it++)
			{
				SelectObject(hdcMem, nabojMask);
				BitBlt(hdc, it->surface.left, it->surface.top, kurkaInfo.bmWidth, kurkaInfo.bmHeight, hdcMem, 0, 0, SRCAND);
				SelectObject(hdcMem, naboj);
				BitBlt(hdc, it->surface.left, it->surface.top, kurkaInfo.bmWidth, kurkaInfo.bmHeight, hdcMem, 0, 0, SRCPAINT);
			}

		DeleteDC(hdcMem);
		EndPaint(hwnd, &ps);
		break;

	case WM_TIMER:
		switch (wParam)
		{
		case ID_TIMER1:
			InvalidateRect(hwnd, NULL, FALSE);
			if (kurki.size() > 0)
				for (deque<Kurka>::iterator it = kurki.begin(); it != kurki.end(); it++)
				{
					it->surface.left += it->speed;
					it->surface.right += it->speed;
				}
			swprintf(buff, 16, TEXT("Trafione: %d"), hit);
			SetWindowText(hwnd, buff);
			break;

		case ID_TIMER2:
			if (kurki.size() > 0)
				for (deque<Kurka>::iterator it = kurki.begin(); it != kurki.end(); it++)
				{
					it->yVel = rand() % 20 + (-10);
					it->surface.top += it->yVel;
					it->surface.bottom += it->yVel;
				}
			break;

		case ID_TIMER3:
		{
			Kurka k;
			k.dir = static_cast<Direction>(rand() % NONE);
			if (k.dir == LEFT)
			{
				k.surface.left = -kurkaInfo.bmWidth;
				k.surface.top = rand() % clientRect.bottom;
				k.surface.right = k.surface.left + kurkaInfo.bmWidth;
				k.surface.bottom = k.surface.top + kurkaInfo.bmHeight;
				k.speed = 5;
			}
			else
			{
				k.surface.left = clientRect.right;
				k.surface.top = rand() % clientRect.bottom / 2;
				k.surface.right = clientRect.right + kurkaInfo.bmWidth;
				k.surface.bottom = k.surface.top + kurkaInfo.bmHeight;
				k.speed = -5;
			}
			kurki.push_back(k);
		}
		break;
		}
		break;

	case WM_LBUTTONUP:
		if (naboje.size() > 0)
		{
			if (kurki.size() > 0)
				for (deque<Kurka>::iterator it = kurki.begin(); it != kurki.end(); it++)
				{
					if (checkCollision(it->surface, lParam))
					{
						hit++;
						kurki.erase(it);
						break;
					}
				}

			for (deque<Naboj>::iterator it = naboje.begin(); it != naboje.end(); it++)
			{
				naboje.erase(it);
				break;
			}
		}
		break;


	case WM_KEYDOWN:
		switch ((int)wParam)
		{
		case VK_HOME:
			if (naboje.size() == 0)
			{
				for (int i = 0; i < 3; i++)
				{
					Naboj n;
					n.surface.left = 10 * (i * 3);
					n.surface.top = clientRect.bottom - nabojInfo.bmHeight;
					n.surface.right = n.surface.left + nabojInfo.bmWidth;
					n.surface.bottom = clientRect.bottom;
					naboje.push_back(n);
				}
			}
			break;
		}
		break;

	case WM_CLOSE:
		if (MessageBox(0, TEXT("Czy na pewno chcesz zakończyć działanie aplikacji?"), appName, MB_YESNO) == IDYES)
			DestroyWindow(hwnd);
		break;

	case WM_DESTROY:
		KillTimer(hwnd, ID_TIMER1);
		KillTimer(hwnd, ID_TIMER2);
		KillTimer(hwnd, ID_TIMER3);
		PostQuitMessage(0);
		break;
	default:
		return DefWindowProc(hwnd, msg, wParam, lParam);
	}
}

int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR ilCmdLine, int nCmdShow)
{
	WNDCLASSEX wC = { 0 };
	HWND hwnd = NULL;
	MSG msg;

	wC.cbSize = sizeof(WNDCLASSEX);
	wC.style = CS_VREDRAW | CS_HREDRAW;
	wC.cbClsExtra = NULL;
	wC.cbWndExtra = NULL;
	wC.hInstance = hInstance;
	wC.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);
	wC.lpfnWndProc = WndProc;
	wC.lpszClassName = className;
	wC.lpszMenuName = 0;
	wC.hIcon = LoadIcon(NULL, IDI_APPLICATION);
	wC.hIconSm = NULL;
	wC.hCursor = LoadCursor(NULL, IDC_ARROW);

	ATOM result = RegisterClassEx(&wC);
	if (!result)
	{
		MessageBox(0, TEXT("Błąd funkcji RegisterClassEx"), appName, MB_OK);
	}

	hwnd = CreateWindow(
		className,
		appName,
		WS_OVERLAPPEDWINDOW | WS_VISIBLE,
		100,
		100,
		1000,
		800,
		NULL,
		NULL,
		hInstance,
		NULL
	);

	ShowWindow(hwnd, nCmdShow);
	UpdateWindow(hwnd);
	while (GetMessage(&msg, NULL, 0, 0))
	{
		TranslateMessage(&msg);
		DispatchMessage(&msg);
	}

	UnregisterClass(className, hInstance);
	return msg.wParam;
}