Magic_Game/Easy2D/Base/App.cpp

#include "..\easy2d.h"
#include "..\Win\winbase.h"
#include "..\EasyX\easyx.h"
#include <time.h>
#include <assert.h>
#include <imm.h>
#pragma comment(lib, "imm32.lib")
#include <stack>
#include <chrono>
#include <thread>

using namespace std::chrono;

// App <20><>Ψһʵ<D2BB><CAB5>
static App * s_pInstance = nullptr;
// <20><><EFBFBD><EFBFBD>ջ
static std::stack<Scene*> s_SceneStack;

App::App() : 
	m_pCurrentScene(nullptr), 
	m_pNextScene(nullptr), 
	m_pLoadingScene(nullptr),
	m_bRunning(false), 
	m_nWindowMode(0),
	m_bSaveScene(true)
{
	assert(!s_pInstance);	// <20><><EFBFBD><EFBFBD>ͬʱ<CDAC><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> App ʵ<><CAB5>
	s_pInstance = this;		// <20><><EFBFBD><EFBFBD>ʵ<EFBFBD><CAB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
}

App::~App()
{
}

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

int App::run()
{
	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͼ
	BeginBatchDraw();
	// <20><>¼<EFBFBD><C2BC>ǰʱ<C7B0><CAB1>
	steady_clock::time_point nLast = steady_clock::now();
	// ֡<><D6A1><EFBFBD><EFBFBD>
	LONGLONG nAnimationInterval = 17LL;
	// ʱ<><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	LONGLONG nInterval = 0LL;
	// <20><><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>
	LONGLONG nWaitMS = 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><EFBFBD>߳<EFBFBD>
	//std::thread t(std::bind(&App::_mainLoop, this));
	//t.join();

	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѭ<EFBFBD><D1AD>
	while (m_bRunning)
	{
		// ˢ<>¼<EFBFBD>ʱ
		::FlushSteadyClock();
		// <20><><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
		nInterval = duration_cast<milliseconds>(GetNow() - nLast).count();
		// <20>жϼ<D0B6><CFBC><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD>Ƿ<EFBFBD><C7B7>㹻
		if (nInterval >= nAnimationInterval)
		{
			// <20><>¼<EFBFBD><C2BC>ǰʱ<C7B0><CAB1>
			nLast = GetNow();
			// ˢ<><CBA2><EFBFBD><EFBFBD>Ϸ<EFBFBD><CFB7><EFBFBD><EFBFBD>
			_draw();
		}
		else
		{
			// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>
			nWaitMS = nAnimationInterval - nInterval - 1;
			// <20><><EFBFBD><EFBFBD><EFBFBD>̣߳<DFB3><CCA3>ͷ<EFBFBD> CPU ռ<><D5BC>
			if (nWaitMS > 1LL)
			{
				std::this_thread::sleep_for(milliseconds(nWaitMS));
			}
		}
	}
	// ֹͣ<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>
	free();

	return 0;
}

void App::_initGraph()
{
	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͼ<EFBFBD><CDBC><EFBFBD><EFBFBD>
	initgraph(m_Size.cx, m_Size.cy, 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;
		if (m_sAppName.empty()) m_sAppName = title;
	}
	else
	{
		setWindowTitle(m_sTitle);
	}
}

void App::_draw()
{
	// <20><>һ<EFBFBD><D2BB><EFBFBD><EFBFBD>ָ<EFBFBD>벻Ϊ<EBB2BB><CEAA>ʱ<EFBFBD><CAB1><EFBFBD>л<EFBFBD><D0BB><EFBFBD><EFBFBD><EFBFBD>
	if (m_pNextScene)
	{
		// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD>
		_enterNextScene();
	}
	// <20><><EFBFBD>Ե<EFBFBD>ǰ<EFBFBD><C7B0><EFBFBD><EFBFBD><EFBFBD>ǿ<EFBFBD>
	assert(m_pCurrentScene);

	cleardevice();				// <20><><EFBFBD>ջ<EFBFBD><D5BB><EFBFBD>
	m_pCurrentScene->_onDraw();	// <20><><EFBFBD>Ƶ<EFBFBD>ǰ<EFBFBD><C7B0><EFBFBD><EFBFBD>
	FlushBatchDraw();			// ˢ<>»<EFBFBD><C2BB><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>
	ActionManager::__exec();	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ִ<EFBFBD>г<EFBFBD><D0B3><EFBFBD>
	FreePool::__flush();		// ˢ<><CBA2><EFBFBD>ڴ<EFBFBD><DAB4><EFBFBD>
}

void App::_mainLoop()
{
	while (true)
	{
		if (m_bRunning)
		{
			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>
			ActionManager::__exec();	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ִ<EFBFBD>г<EFBFBD><D0B3><EFBFBD>
			FreePool::__flush();		// ˢ<><CBA2><EFBFBD>ڴ<EFBFBD><DAB4><EFBFBD>
		}
		std::this_thread::sleep_for(milliseconds(10));
	}
	
}

void App::createWindow(int width, int height, int mode)
{
	// <20><><EFBFBD>洰<EFBFBD><E6B4B0><EFBFBD><EFBFBD>Ϣ
	m_Size.cx = width;
	m_Size.cy = height;
	m_nWindowMode = mode;
	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	_initGraph();
}

void App::createWindow(CSize size, int mode)
{
	createWindow(size.cx, size.cy, mode);
}

void App::createWindow(TString title, int width, int height, int mode)
{
	// <20><><EFBFBD>洰<EFBFBD><E6B4B0><EFBFBD><EFBFBD>Ϣ
	m_Size.cx = width;
	m_Size.cy = height;
	m_nWindowMode = mode;
	m_sTitle = title;
	if (m_sAppName.empty()) m_sAppName = title;
	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	_initGraph();
}

void App::createWindow(TString title, CSize size, int mode)
{
	createWindow(title, size.cx, size.cy, mode);
}

void App::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(s_pInstance->m_bRunning);

	// <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><><EFBFBD>ٵ<EFBFBD>ǰ<EFBFBD><C7B0><EFBFBD><EFBFBD>
	// DestroyWindow(GetHWnd());/* <20>޷<EFBFBD><DEB7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̵߳<DFB3><CCB5><EFBFBD>ʧЧ */
	// <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);
	// <20><><EFBFBD>ô<EFBFBD><C3B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	reset();
}

void App::setWindowSize(CSize size)
{
	setWindowSize(size.cx, size.cy);
}

void App::setWindowTitle(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>
	s_pInstance->m_sTitle = title;
}

TString App::getWindowTitle()
{
	return s_pInstance->m_sTitle;
}

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

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

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

void App::clearScene()
{
	// <20><><EFBFBD>ճ<EFBFBD><D5B3><EFBFBD>ջ
	while (s_SceneStack.size())
	{
		auto temp = s_SceneStack.top();
		SafeDelete(temp);
		s_SceneStack.pop();
	}
}

void App::setAppName(TString appname)
{
	s_pInstance->m_sAppName = appname;
}

TString App::getAppName()
{
	return s_pInstance->m_sAppName;
}

void App::setBkColor(COLORREF color)
{
	setbkcolor(color);
}

void App::_enterNextScene()
{
	bool bBackScene = false;

	// <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 (s_SceneStack.size() && m_pNextScene == s_SceneStack.top())
	{
		bBackScene = true;
		// ɾ<><C9BE>ջ<EFBFBD><D5BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
		s_SceneStack.pop();
	}

	// ִ<>е<EFBFBD>ǰ<EFBFBD><C7B0><EFBFBD><EFBFBD><EFBFBD><EFBFBD> onExit <20><><EFBFBD><EFBFBD>
	if (m_pCurrentScene)
	{
		m_pCurrentScene->onExit();
		if (m_bSaveScene)
		{
			// <20><>Ҫ<EFBFBD><D2AA><EFBFBD>浱ǰ<E6B5B1><C7B0><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ջ<EFBFBD><D5BB>
			s_SceneStack.push(m_pCurrentScene);
			// <20><>ͣ<EFBFBD><CDA3>ǰ<EFBFBD><C7B0><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>е<EFBFBD><D0B5><EFBFBD><EFBFBD>ж<EFBFBD>ʱ<EFBFBD><CAB1>
			Timer::waitAllSceneTimers(m_pCurrentScene);
			MouseMsg::waitAllSceneListeners(m_pCurrentScene);
			KeyMsg::waitAllSceneListeners(m_pCurrentScene);
			ActionManager::waitAllSceneActions(m_pCurrentScene);
		}
		else
		{
			// <20><><EFBFBD><EFBFBD><EFBFBD>泡<EFBFBD><E6B3A1>ʱ<EFBFBD><CAB1>ֹͣ<CDA3><D6B9>ǰ<EFBFBD><C7B0><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>е<EFBFBD><D0B5><EFBFBD><EFBFBD>ж<EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɾ<EFBFBD><C9BE><EFBFBD><EFBFBD>ǰ<EFBFBD><C7B0><EFBFBD><EFBFBD>
			Timer::clearAllSceneTimers(m_pCurrentScene);
			MouseMsg::clearAllSceneListeners(m_pCurrentScene);
			KeyMsg::clearAllSceneListeners(m_pCurrentScene);
			ActionManager::stopAllSceneActions(m_pCurrentScene);
			SafeDelete(m_pCurrentScene);
		}
	}

	m_pCurrentScene = m_pNextScene;		// <20>л<EFBFBD><D0BB><EFBFBD><EFBFBD><EFBFBD>
	m_pNextScene = nullptr;				// <20><>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD>ÿ<EFBFBD>

	if (bBackScene)
	{
		// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD>ָ<EFBFBD><D6B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϵĶ<CFB5>ʱ<EFBFBD><CAB1>
		Timer::notifyAllSceneTimers(m_pCurrentScene);
		MouseMsg::notifyAllSceneListeners(m_pCurrentScene);
		KeyMsg::notifyAllSceneListeners(m_pCurrentScene);
		ActionManager::notifyAllSceneActions(m_pCurrentScene);
	}
	else
	{
		m_pCurrentScene->init();		// <20><><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD>³<EFBFBD><C2B3><EFBFBD>ʱ<EFBFBD><CAB1>ִ<EFBFBD><D6B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD> init <20><><EFBFBD><EFBFBD>
	}

	m_pCurrentScene->onEnter();			// ִ<><D6B4><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD> onEnter <20><><EFBFBD><EFBFBD>
}

void App::quit()
{
	s_pInstance->m_bRunning = false;
}

void App::end()
{
	s_pInstance->m_bRunning = false;
}

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

Scene * App::getCurrentScene()
{
	// <20><>ȡ<EFBFBD><C8A1>ǰ<EFBFBD><C7B0><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><D6B8>
	return s_pInstance->m_pCurrentScene;
}

Scene * App::getLoadingScene()
{
	return s_pInstance->m_pLoadingScene;
}

int App::getWidth()
{
	return s_pInstance->m_Size.cx;
}

int App::getHeight()
{
	return s_pInstance->m_Size.cy;
}

void App::free()
{
	// <20>ͷų<CDB7><C5B3><EFBFBD><EFBFBD>ڴ<EFBFBD>
	SafeDelete(m_pCurrentScene);
	SafeDelete(m_pNextScene);
	// <20><><EFBFBD>ճ<EFBFBD><D5B3><EFBFBD>ջ
	while (s_SceneStack.size())
	{
		auto temp = s_SceneStack.top();
		SafeDelete(temp);
		s_SceneStack.pop();
	}
	// ɾ<><C9BE><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>ʱ<EFBFBD><CAB1>
	Timer::clearAllTimers();
	MouseMsg::clearAllListeners();
	KeyMsg::clearAllListeners();
	ActionManager::clearAllActions();
	// ɾ<><C9BE><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD><D0B6><EFBFBD>
	FreePool::__clearAllObjects();
}