#include "Splash.h"
#include "Globals.h"

namespace Game
{
	Splash::Splash( sf::RenderWindow *Window, KeyHelper *KH )
		: Finished( false ),
		Win( Window ),
		KeyHelp( KH ),
		Frame( 0 ),
		DisplayTime( 60 ),
		FadeFrames( 30 ),
		StartDelay( 60 ),
		Bg( sf::Shape::Rectangle( 0.f, 0.f, ( float )MAX_X, ( float )MAX_Y, sf::Color( 0, 0, 0 ) ) )
	{
		Bg.SetColor( sf::Color( 0, 0, 0, 255 ) );

		sf::Text *Sc1T1 = new sf::Text( "I'M NOT A RACIST!", sf::Font::GetDefaultFont(), MENU_FONT_SIZE );
		Sc1T1->SetPosition( MAX_X / 2.f - Sc1T1->GetRect().Width / 2.f, MAX_Y / 2.f - Sc1T1->GetRect().Height / 2.f );
		Sc1T1->SetOrigin( 0.f, Sc1T1->GetRect().Height / 2.f );
		SplashScreen *Screen1 = new SplashScreen;
		Screen1->Obj.push_back( Sc1T1 );

		sf::Text *Sc2T1 = new sf::Text( "I'm a melting pot of friendship.", sf::Font::GetDefaultFont(), MENU_FONT_SIZE );
		Sc2T1->SetPosition( MAX_X / 2.f - Sc2T1->GetRect().Width / 2.f, MAX_Y / 2.f - Sc2T1->GetRect().Height / 2.f );
		Sc2T1->SetOrigin( 0.f, Sc2T1->GetRect().Height / 2.f );
		SplashScreen *Screen2 = new SplashScreen;
		Screen2->Obj.push_back( Sc2T1 );

		Screens.push_back( Screen1 );
		Screens.push_back( Screen2 );

		ULoop();
	}

	Splash::~Splash()
	{
		for( std::vector<SplashScreen *>::iterator iter = Screens.begin(); iter != Screens.end(); iter++ )
		{
			for( std::vector<sf::Drawable *>::iterator iter2 = ( *iter )->Obj.begin(); iter2 != ( *iter )->Obj.end(); iter2++ )
				delete *iter2;

			delete *iter;
		}
	}

	void Splash::ULoop()
	{
		while( !Finished )
		{
			if( KeyHelp->KeyClick( sf::Key::Escape ) )
				Finished = true;

			sf::Event event;
			while ( Win->GetEvent( event ) )
			{
				switch( event.Type )
				{
				case( sf::Event::Closed ): Win->Close(); break;
				}
			}

			Win->Clear( sf::Color::Black );

			if( StartDelay > 0 )
				StartDelay--;
			else
			{
				Frame++;
				Draw( ( unsigned int )floor( ( float )Frame / ( float )( DisplayTime + FadeFrames * 2 ) ) );
				Win->Draw( Bg );
			}

			Win->Display();
		}
	}

	void Splash::Draw( unsigned int Pos )
	{
		if( Pos > Screens.size() - 1 )
		{
			Finished = true;
			return;
		}

		DoFade( Pos );
		for( std::vector<sf::Drawable *>::iterator iter = Screens[Pos]->Obj.begin(); iter != Screens[Pos]->Obj.end(); iter++ )
			Win->Draw( **iter );
	}

	void Splash::DoFade( int Pos )
	{
		if( ( Frame - Pos * ( DisplayTime + FadeFrames * 2 ) ) <= FadeFrames )
			Bg.SetColor( sf::Color( 0, 0, 0, ClampInt( Bg.GetColor().a - ( int )( 255.f / ( float )FadeFrames ), 0, 255 ) ) );

		if( ( Frame - Pos * ( DisplayTime + FadeFrames * 2 ) ) >= DisplayTime + FadeFrames )
			Bg.SetColor( sf::Color( 0, 0, 0, ClampInt( Bg.GetColor().a + ( int )( 255.f / ( float )FadeFrames ), 0, 255 ) ) );
	}
}