Magic_Game/Easy2D/Application.cpp

#include "easy2d.h"
#include "EasyX\easyx.h"
#include <time.h>
#include <assert.h>
#include <imm.h>
#pragma comment(lib, "imm32.lib")
#include <mmsystem.h>
#pragma comment(lib, "winmm.lib")


// Application <20><>Ψһʵ<D2BB><CAB5>
static Application * s_pInstance = nullptr;
// <20><><EFBFBD><EFBFBD>ԭ<EFBFBD><D4AD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
static int originX = 0;
static int originY = 0;

Application::Application() : 
	m_currentScene(nullptr), 
	m_nextScene(nullptr), 
	m_bRunning(false), 
	m_bPause(false),
	m_nWidth(0),
	m_nHeight(0),
	m_nWindowMode(0)
{
	assert(!s_pInstance);	// <20><><EFBFBD><EFBFBD>ͬʱ<CDAC><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> Application ʵ<><CAB5>
	s_pInstance = this;		// <20><><EFBFBD><EFBFBD>ʵ<EFBFBD><CAB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	setFPS(60);				// Ĭ<><C4AC> FPS Ϊ 60
}

Application::~Application()
{
	destory();				// <20><><EFBFBD><EFBFBD> Application
}

Application * Application::get()
{
	assert(s_pInstance);	// <20><><EFBFBD><EFBFBD>ʵ<EFBFBD><CAB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	return s_pInstance;		// <20><>ȡ Application <20><>Ψһʵ<D2BB><CAB5>
}

void Application::setOrigin(int originX, int originY)
{
	::originX = originX;
	::originY = originY;
	setorigin(originX, originY);
}

int Application::getOriginX()
{
	return ::originX;
}

int Application::getOriginY()
{
	return ::originY;
}

int Application::run()
{
	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͼ
	BeginBatchDraw();
	// <20>޸<EFBFBD>ʱ<EFBFBD>侫<EFBFBD><E4BEAB>
	timeBeginPeriod(1);
	// <20><>ȡ CPU ÿ<><C3BF><EFBFBD>δ<EFBFBD><CEB4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	LARGE_INTEGER freq;
	QueryPerformanceFrequency(&freq);
	// <20><><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	LARGE_INTEGER nLast;
	LARGE_INTEGER nNow;
	// <20><>¼<EFBFBD><C2BC>ǰʱ<C7B0><CAB1>
	QueryPerformanceCounter(&nLast);
	// ʱ<><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	LONGLONG interval = 0LL;
	// <20><><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>
	LONG waitMS = 0L;
	// <20><><EFBFBD><EFBFBD><EFBFBD>صĴ<D8B5><C4B4><EFBFBD><EFBFBD><EFBFBD>ʾ
	ShowWindow(GetHWnd(), SW_NORMAL);
	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϸ
	m_bRunning = true;

	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѭ<EFBFBD><D1AD>
	while (m_bRunning)
	{
		// <20><>ȡ<EFBFBD><C8A1>ǰʱ<C7B0><CAB1>
		QueryPerformanceCounter(&nNow);
		// <20><><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
		interval = nNow.QuadPart - nLast.QuadPart;
		// <20>жϼ<D0B6><CFBC><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD>Ƿ<EFBFBD><C7B7>㹻
		if (interval >= m_nAnimationInterval.QuadPart)
		{
			// <20><>¼<EFBFBD><C2BC>ǰʱ<C7B0><CAB1>
			nLast.QuadPart = nNow.QuadPart;
			// ִ<><D6B4><EFBFBD><EFBFBD>Ϸ<EFBFBD>߼<EFBFBD>
			_mainLoop();
		}
		else
		{
			// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>
			waitMS = LONG((m_nAnimationInterval.QuadPart - interval) * 1000LL / freq.QuadPart) - 1L;
			// <20><><EFBFBD><EFBFBD><EFBFBD>̣߳<DFB3><CCA3>ͷ<EFBFBD> CPU ռ<><D5BC>
			if (waitMS > 1L)
				Sleep(waitMS);
		}
	}
	// ֹͣ<CDA3><D6B9><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͼ
	EndBatchDraw();
	// <20>رմ<D8B1><D5B4><EFBFBD>
	close();
	// <20>ͷ<EFBFBD><CDB7><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڴ<EFBFBD>ռ<EFBFBD><D5BC>
	destory();
	// <20><><EFBFBD><EFBFBD>ʱ<EFBFBD>侫<EFBFBD><E4BEAB>
	timeEndPeriod(1);

	return 0;
}

void Application::_initGraph()
{
	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͼ<EFBFBD><CDBC><EFBFBD><EFBFBD>
	initgraph(m_nWidth, m_nHeight, m_nWindowMode);
	// <20><><EFBFBD>ص<EFBFBD>ǰ<EFBFBD><C7B0><EFBFBD>ڣ<EFBFBD><DAA3><EFBFBD>ֹ<EFBFBD>ڼ<EFBFBD><DABC>ؽ׶<D8BD><D7B6><EFBFBD>ʾ<EFBFBD>ڴ<EFBFBD><DAB4>ڣ<EFBFBD>
	ShowWindow(GetHWnd(), SW_HIDE);
	// <20><>ȡ<EFBFBD><C8A1>Ļ<EFBFBD>ֱ<EFBFBD><D6B1><EFBFBD>
	int screenWidth = GetSystemMetrics(SM_CXSCREEN);
	int screenHeight = GetSystemMetrics(SM_CYSCREEN);
	// <20><>ȡ<EFBFBD><C8A1><EFBFBD>ڴ<EFBFBD>С
	CRect rcWindow;
	GetWindowRect(GetHWnd(), &rcWindow);
	// <20><><EFBFBD>ô<EFBFBD><C3B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ļ<EFBFBD><C4BB><EFBFBD><EFBFBD>
	SetWindowPos(GetHWnd(), HWND_TOP,
		(screenWidth - rcWindow.Size().cx) / 2,
		(screenHeight - rcWindow.Size().cy) / 2,
		rcWindow.Size().cx,
		rcWindow.Size().cy,
		SWP_HIDEWINDOW | SWP_NOACTIVATE | SWP_NOSIZE);
	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>뷨
	ImmAssociateContext(GetHWnd(), NULL);
	// <20><><EFBFBD>û<EFBFBD>ͼ<EFBFBD><CDBC><EFBFBD><EFBFBD>
	reset();
	// <20><><EFBFBD>ô<EFBFBD><C3B4>ڱ<EFBFBD><DAB1><EFBFBD>
	if (m_sTitle.empty())
	{
		// <20><><EFBFBD>浱ǰ<E6B5B1><C7B0><EFBFBD><EFBFBD>
		TCHAR title[31];
		GetWindowText(GetHWnd(), title, 30);
		m_sTitle = title;
	}
	else
	{
		setWindowText(m_sTitle);
	}
}

void Application::_mainLoop()
{
	// <20><>Ϸ<EFBFBD><CFB7>ͣ
	if (m_bPause)
	{
		return;
	}
	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD>
	if (m_nextScene)
	{
		_enterNextScene();
	}
	// <20><><EFBFBD>Ե<EFBFBD>ǰ<EFBFBD><C7B0><EFBFBD><EFBFBD><EFBFBD>ǿ<EFBFBD>
	assert(m_currentScene);
	
	cleardevice();				// <20><><EFBFBD>ջ<EFBFBD><D5BB><EFBFBD>
	m_currentScene->_onDraw();	// <20><><EFBFBD>Ƶ<EFBFBD>ǰ<EFBFBD><C7B0><EFBFBD><EFBFBD>
	FlushBatchDraw();			// ˢ<>»<EFBFBD><C2BB><EFBFBD>

	// <20><><EFBFBD><EFBFBD>ִ<EFBFBD>г<EFBFBD><D0B3><EFBFBD>
	MouseMsg::__exec();			// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	KeyMsg::__exec();			// <20><><EFBFBD>̰<EFBFBD><CCB0><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	Timer::__exec();			// <20><>ʱ<EFBFBD><CAB1>ִ<EFBFBD>г<EFBFBD><D0B3><EFBFBD>
	FreePool::__flush();		// ˢ<><CBA2><EFBFBD>ڴ<EFBFBD><DAB4><EFBFBD>
}

void Application::createWindow(int width, int height, int mode)
{
	// <20><><EFBFBD>洰<EFBFBD><E6B4B0><EFBFBD><EFBFBD>Ϣ
	m_nWidth = width;
	m_nHeight = height;
	m_nWindowMode = mode;
	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	_initGraph();
}

void Application::createWindow(tstring title, int width, int height, int mode)
{
	// <20><><EFBFBD>洰<EFBFBD><E6B4B0><EFBFBD><EFBFBD>Ϣ
	m_nWidth = width;
	m_nHeight = height;
	m_nWindowMode = mode;
	m_sTitle = title;
	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	_initGraph();
}

void Application::setWindowSize(int width, int height)
{
	// <20><>Ϸ<EFBFBD><CFB7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>޸Ĵ<DEB8><C4B4>ڴ<EFBFBD>С
	assert(m_bRunning);

	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	closegraph();
	/* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڻᵼ<DABB><E1B5BC><EFBFBD>ڴ<EFBFBD>ռ<EFBFBD>ü<EFBFBD><C3BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӣ<EFBFBD>Ҳ<EFBFBD><D2B2><EFBFBD><EFBFBD> EasyX <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> BUG<55><47><EFBFBD><EFBFBD><EFBFBD><EFBFBD> yangw80 <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
	initgraph(width, height, m_nWindowMode);

	/* EasyX <20><>֧<EFBFBD><D6A7><EFBFBD><EFBFBD> Windows API <20>޸Ĵ<DEB8><C4B4>ڴ<EFBFBD>С */
	/////////////////////////////////////////////////////////////////////////////////
	//	// <20><>ȡ<EFBFBD><C8A1>Ļ<EFBFBD>ֱ<EFBFBD><D6B1><EFBFBD>
	//	int screenWidth = GetSystemMetrics(SM_CXSCREEN);
	//	int screenHeight = GetSystemMetrics(SM_CYSCREEN);
	//	// <20><>ȡ<EFBFBD><C8A1><EFBFBD>ڴ<EFBFBD>С<EFBFBD><D0A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>˵<EFBFBD><CBB5><EFBFBD><EFBFBD><EFBFBD>
	//	CRect rcWindow;
	//	GetWindowRect(GetHWnd(), &rcWindow);
	//	// <20><>ȡ<EFBFBD>ͻ<EFBFBD><CDBB><EFBFBD><EFBFBD><EFBFBD>С
	//	CRect rcClient;
	//	GetClientRect(GetHWnd(), &rcClient);
	//	// <20><><EFBFBD><EFBFBD><EFBFBD>߿<EFBFBD><DFBF><EFBFBD>С
	//	width += (rcWindow.right - rcWindow.left) - (rcClient.right - rcClient.left);
	//	height += (rcWindow.bottom - rcWindow.top) - (rcClient.bottom - rcClient.top);
	//	// <20>޸Ĵ<DEB8><C4B4>ڴ<EFBFBD>С<EFBFBD><D0A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ô<EFBFBD><C3B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ļ<EFBFBD><C4BB><EFBFBD><EFBFBD>
	//	SetWindowPos(
	//		GetHWnd(),
	//		HWND_TOP,
	//		(screenWidth - width) / 2,
	//		(screenHeight - height) / 2,
	//		width,
	//		height,
	//		SWP_SHOWWINDOW | SWP_NOREDRAW);
	//////////////////////////////////////////////////////////////////////////////////
}

void Application::setWindowText(tstring title)
{
	// <20><><EFBFBD>ô<EFBFBD><C3B4>ڱ<EFBFBD><DAB1><EFBFBD>
	SetWindowText(GetHWnd(), title.c_str());
	// <20><><EFBFBD>浱ǰ<E6B5B1><C7B0><EFBFBD>⣬<EFBFBD><E2A3AC><EFBFBD><EFBFBD><EFBFBD>޸Ĵ<DEB8><C4B4>ڴ<EFBFBD>Сʱ<D0A1>ָ<EFBFBD><D6B8><EFBFBD><EFBFBD><EFBFBD>
	m_sTitle = title;
}

void Application::close()
{
	// <20>رջ<D8B1>ͼ<EFBFBD><CDBC><EFBFBD><EFBFBD>
	closegraph();
}

void Application::enterScene(Scene * scene, bool save)
{
	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><D6B8>
	m_nextScene = scene;
	// <20>л<EFBFBD><D0BB><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD>Ƿ񱣴浱ǰ<E6B5B1><C7B0><EFBFBD><EFBFBD>
	m_bSaveScene = save;
}

void Application::backScene()
{
	// <20><>ջ<EFBFBD><D5BB>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD>룬<EFBFBD><EBA3AC>Ϊ<EFBFBD><CEAA>һ<EFBFBD><D2BB><EFBFBD><EFBFBD>
	m_nextScene = m_sceneStack.top();
	// <20><><EFBFBD><EFBFBD><EFBFBD>浱ǰ<E6B5B1><C7B0><EFBFBD><EFBFBD>
	m_bSaveScene = false;
}

void Application::_enterNextScene()
{
	// <20><><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ջ<EFBFBD><D5BB><EFBFBD><EFBFBD>˵<EFBFBD><CBB5><EFBFBD><EFBFBD><EFBFBD>ڷ<EFBFBD><DAB7><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD>
	if (m_sceneStack.size() && m_nextScene == m_sceneStack.top())
	{
		m_sceneStack.pop();					// ɾ<><C9BE>ջ<EFBFBD><D5BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	}
	
	if (m_bSaveScene)
	{
		m_sceneStack.push(m_currentScene);	// <20><>Ҫ<EFBFBD><D2AA><EFBFBD>浱ǰ<E6B5B1><C7B0><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><D6B8><EFBFBD>ŵ<EFBFBD>ջ<EFBFBD><D5BB>
	}
	else
	{
		SAFE_DELETE(m_currentScene);		// <20><><EFBFBD><EFBFBD>ɾ<EFBFBD><C9BE><EFBFBD><EFBFBD>ǰ<EFBFBD><C7B0><EFBFBD><EFBFBD>
	}
	
	m_currentScene = m_nextScene;			// <20>л<EFBFBD><D0BB><EFBFBD><EFBFBD><EFBFBD>
	m_nextScene = nullptr;					// <20><>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD>ÿ<EFBFBD>
}

void Application::quit()
{
	m_bRunning = false;
}

void Application::end()
{
	m_bRunning = false;
}

void Application::pause()
{
	m_bPause = true;
}

bool Application::isRunning()
{
	return m_bRunning && !m_bPause;
}

void Application::reset()
{
	// <20><><EFBFBD>û<EFBFBD>ͼ<EFBFBD><CDBC><EFBFBD><EFBFBD>
	graphdefaults();
	setbkmode(TRANSPARENT);
	setbkcolor(Color::black);
}

Scene * Application::getCurrentScene()
{
	// <20><>ȡ<EFBFBD><C8A1>ǰ<EFBFBD><C7B0><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><D6B8>
	return m_currentScene;
}

LPCTSTR easy2d::Application::getVersion()
{
	return _T("1.0.0");
}

void Application::setFPS(DWORD fps)
{
	// <20><><EFBFBD>û<EFBFBD><C3BB><EFBFBD>֡<EFBFBD>ʣ<EFBFBD><CAA3>Ժ<EFBFBD><D4BA><EFBFBD>Ϊ<EFBFBD><CEAA>λ
	LARGE_INTEGER nFreq;
	QueryPerformanceFrequency(&nFreq);
	m_nAnimationInterval.QuadPart = (LONGLONG)(1.0 / fps * nFreq.QuadPart);
}

int Application::getWidth() const
{
	return m_nWidth;
}

int Application::getHeight() const
{
	return m_nHeight;
}

void Application::free()
{
	// <20>ͷų<CDB7><C5B3><EFBFBD><EFBFBD>ڴ<EFBFBD>
	SAFE_DELETE(m_currentScene);
	SAFE_DELETE(m_nextScene);
	// <20><><EFBFBD>ճ<EFBFBD><D5B3><EFBFBD>ջ
	while (m_sceneStack.size())
	{
		auto temp = m_sceneStack.top();
		SAFE_DELETE(temp);
		m_sceneStack.pop();
	}
	// ɾ<><C9BE><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>ʱ<EFBFBD><CAB1>
	Timer::clearAllTimers();
}

void Application::destory()
{
	// <20>ͷ<EFBFBD><CDB7><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڴ<EFBFBD>
	free();
	// ʵ<><CAB5>ָ<EFBFBD><D6B8><EFBFBD>ÿ<EFBFBD>
	s_pInstance = nullptr;
}