SDL-GameDevelopment/Game.cpp at master · Ahmed310/SDL-GameDevelopment · GitHub

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#include "Game.h"
#include "Player.h"
#include "Enemy.h"
#include "InputHandler.h"
#include "PlayState.h"
#include "MenuButton.h"
#include <iostream>
#include "MainMenuState.h"
Game* Game::s_instance = 0;

Game* Game::Instance()
{
	if (s_instance == 0)
	{
		s_instance = new Game();
		return s_instance;
	}
	return s_instance;
}


Game::Game()
{
}


Game::~Game()
{
}


void Game::init(const char* title, int x, int y, int w, int h, Uint32 flag)
{
	m_running = true;

	if ( SDL_Init(SDL_INIT_EVERYTHING) >= 0)
	{
		m_window = SDL_CreateWindow("SDL2", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, 640, 480, flag);

		if (m_window != NULL)
			m_renderer = SDL_CreateRenderer(m_window, -1, 0);
	}
	else
	{
		std::cout << "SDL Failed to Init";
	}

	TextureManager::Instance()->load("./res/animation.png", "animate", m_renderer);
//	GameObjectFactory::Instance()->RegisterType("MenuButton", new MenuButtonCreator());

//	m_gameObjects.push_back(new Player(new LoaderParams(100, 100, 62, 82, "animate")));
//	m_gameObjects.push_back(new Enemy(new LoaderParams(10, 10, 62, 82, "animate")));

	m_gameStateMachine = new GameStateMachine();
	m_gameStateMachine->ChangeState(new MainMenuState());
}
void Game::render()
{
	SDL_SetRenderDrawColor(m_renderer, 0, 75, 127, 1);
	SDL_RenderClear(m_renderer);

//	TextureManager::Instance()->Draw("animate", 10, 10, 62,82, GetRenderer(), SDL_FLIP_NONE);

//	TextureManager::Instance()->DrawFrame("animate", 100, 100, 62, 82,1,1, GetRenderer(), SDL_FLIP_NONE);
	m_gameStateMachine->Render();
	/*for (std::vector<GameObject*>::size_type i = 0 ; i != m_gameObjects.size(); i++)
	{
		m_gameObjects[i]->Draw();
	}*/

	SDL_RenderPresent(m_renderer);

}
void Game::update()
{
	m_gameStateMachine->Update();
	/*for (std::vector<GameObject*>::size_type i = 0; i != m_gameObjects.size(); i++)
	{
		m_gameObjects[i]->Update();
	}*/
}


void Game::handleEvents()
{
	/*SDL_Event event;
	if (SDL_PollEvent(&event))
	{
		switch (event.type)
		{
		case SDL_QUIT:
			m_running = false;
			break;
		default:
			break;
		}
	}*/

	InputHandler::Instance()->Update();

	if (InputHandler::Instance()->IsKeyDown(SDL_SCANCODE_RETURN))
	{
		m_gameStateMachine->ChangeState(new PlayState());
	}

}
void Game::clean()
{
	SDL_DestroyWindow(m_window);
	SDL_DestroyRenderer(m_renderer);
	SDL_Quit();
}


void Game::run()
{
	while (m_running)
	{
		m_frameStart = SDL_GetTicks();

		handleEvents();
		update();
		render();

		m_frameTime = SDL_GetTicks() - m_frameStart;

		if (m_frameTime < DELAY_TIME)
		{
			SDL_Delay((int)(DELAY_TIME - m_frameTime));
		}


	}
	clean();
}