Magic_Game/core/Base/Game.cpp

#include "..\e2dbase.h"
#include "..\e2dmanager.h"
#include "..\e2dtool.h"
#include "..\e2dcollider.h"


e2d::Game * e2d::Game::_instance = nullptr;

e2d::Game::Game()
	: _ended(false)
	, _paused(false)
	, _initialized(false)
{
}

e2d::Game::~Game()
{
}

e2d::Game * e2d::Game::getInstance()
{
	if (!_instance)
		_instance = new (std::nothrow) Game;
	return _instance;
}

void e2d::Game::destroyInstance()
{
	if (_instance)
	{
		delete _instance;
		_instance = nullptr;
	}
}

bool e2d::Game::init()
{
	if (_initialized)
	{
		WARN("The game has been initialized!");
		return false;
	}

	// <20><>ʼ<EFBFBD><CABC> COM <20><><EFBFBD><EFBFBD>
	CoInitialize(nullptr);

	bool bInputInit = false;

	auto DestroyResources = [&]()
	{
		if (bInputInit) Input::__uninit();
	};

	// <20><>ʼ<EFBFBD><CABC> DirectInput
	if (Input::__init())
	{
		bInputInit = true;
	}
	else
	{
		DestroyResources();
		throw SystemException(L"<EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD> DirectInput <20><><EFBFBD><EFBFBD>ʧ<EFBFBD><CAA7>");
	}

	// <20><>ʼ<EFBFBD><CABC>·<EFBFBD><C2B7>
	if (!Path::__init())
	{
		DestroyResources();
		throw SystemException(L"<EFBFBD><EFBFBD>Ҫϵͳ·<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʧ<EFBFBD><EFBFBD>");
	}

	// <20><>ʼ<EFBFBD><CABC><EFBFBD>ɹ<EFBFBD>
	_initialized = true;

	return _initialized;
}

void e2d::Game::start(bool cleanup)
{
	if (!_initialized)
	{
		throw Exception(L"<EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD>Ϸǰδ<EFBFBD><EFBFBD><EFBFBD>г<EFBFBD>ʼ<EFBFBD><EFBFBD>");
	}

	auto window = Window::getInstance();
	auto renderer = Renderer::getInstance();

	// <20><>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	SceneManager::__init();
	// <20><>ʾ<EFBFBD><CABE><EFBFBD><EFBFBD>
	::ShowWindow(window->getHWnd(), SW_SHOWNORMAL);
	// ˢ<>´<EFBFBD><C2B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	::UpdateWindow(window->getHWnd());
	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ
	window->__poll();
	// <20><>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD>ʱ
	Time::__init();

	_ended = false;

	while (!_ended)
	{
		// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ
		window->__poll();
		// ˢ<><CBA2>ʱ<EFBFBD><CAB1>
		Time::__updateNow();

		// <20>ж<EFBFBD><D0B6>Ƿ<EFBFBD><C7B7>ﵽ<EFBFBD><EFB5BD>ˢ<EFBFBD><CBA2>״̬
		if (Time::__isReady())
		{
			Input::__update();			// <20><>ȡ<EFBFBD>û<EFBFBD><C3BB><EFBFBD><EFBFBD><EFBFBD>
			Timer::__update();			// <20><><EFBFBD>¶<EFBFBD>ʱ<EFBFBD><CAB1>
			ActionManager::__update();	// <20><><EFBFBD>¶<EFBFBD><C2B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
			SceneManager::__update();	// <20><><EFBFBD>³<EFBFBD><C2B3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
			renderer->__render();		// <20><>Ⱦ<EFBFBD><C8BE>Ϸ<EFBFBD><CFB7><EFBFBD><EFBFBD>

			Time::__updateLast();		// ˢ<><CBA2>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD>Ϣ
		}
		else
		{
			Time::__sleep();				// <20><><EFBFBD><EFBFBD><EFBFBD>߳<EFBFBD>
			GC::getInstance()->__update();	// ˢ<><CBA2><EFBFBD>ڴ<EFBFBD><DAB4><EFBFBD>
		}
	}

	_ended = true;

	if (cleanup)
	{
		Game::cleanup();
	}
}

void e2d::Game::pause()
{
	_paused = true;
}

void e2d::Game::resume()
{
	if (_initialized && _paused)
	{
		Game::reset();
	}
	_paused = false;
}

void e2d::Game::reset()
{
	if (_initialized && !_ended)
	{
		Time::__reset();
		ActionManager::__resetAll();
		Timer::__resetAll();
	}
}

bool e2d::Game::isPaused()
{
	return _paused;
}

void e2d::Game::quit()
{
	_ended = true;	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϸ<EFBFBD>Ƿ<EFBFBD><C7B7><EFBFBD><EFBFBD><EFBFBD>
}

void e2d::Game::cleanup()
{
	if (!_initialized)
		return;

	// ɾ<><C9BE><EFBFBD><EFBFBD><EFBFBD>г<EFBFBD><D0B3><EFBFBD>
	SceneManager::__uninit();
	// ɾ<><C9BE><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	Input::__clearListeners();
	// ɾ<><C9BE><EFBFBD><EFBFBD>ײ<EFBFBD><D7B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	Collision::__clearListeners();
	// ɾ<><C9BE><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	ActionManager::__uninit();
	// <20><><EFBFBD><EFBFBD>ͼƬ<CDBC><C6AC><EFBFBD><EFBFBD>
	Image::clearCache();
	// <20><><EFBFBD>ն<EFBFBD>ʱ<EFBFBD><CAB1>
	Timer::__uninit();
	// <20>ر<EFBFBD><D8B1><EFBFBD><EFBFBD><EFBFBD>
	Input::__uninit();
	// ɾ<><C9BE><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD><D0B6><EFBFBD>
	GC::getInstance()->clear();

	CoUninitialize();

	_initialized = false;
}