/* *****************************************************************************************
	AUTHOR: Simona Pappalardo
	MAIL:	pacana@libero.it
 * *****************************************************************************************/
 
import java.lang.*;
import java.awt.*;

public class Tetrisgame
{
	static Table[][] griglia;
	static boolean rigaPiena;
 	int nr_pezzo,maxX,maxY;
	Base pezzo;
	int[] color;
        boolean gameOver = false,fine = false;
	static boolean primo=true;
	Tetrisgame(int maxX,int maxY) 
	{
		this.maxX = maxX;
		this.maxY = maxY;
		primo = true;
		rigaPiena = false;		
		color = new int[3];

		// grid initialization: it's all empty
		
		griglia = new Table[maxX+1][maxY+1];
		for (int i=0; i<=maxY;i++)
		   for(int j=0;j<=maxX;j++)
		      griglia[j][i] = new Table();
			

		return;
	
	 }
	 

	public void paint(Graphics g)
	{	
                if(!primo)
		// I have not to erase the just painted piece, it this is the first time.
                {
		    g.setColor(AppletEnglish.color);
		    g.drawPolygon(pezzo.oldCoordX,pezzo.oldCoordY,pezzo.nr_punti); 
                    g.fillPolygon(pezzo.oldCoordX,pezzo.oldCoordY,pezzo.nr_punti); 
		}
		
                primo=false;
		if(!AppletEnglish.modifica_livello)
		{
                  g.setColor(Color.black);
		  g.drawPolygon(pezzo.coordCorrX,pezzo.coordCorrY,pezzo.nr_punti);         

		  g.setColor(new Color(pezzo.color[0],pezzo.color[1],pezzo.color[2]));
		  g.fillPolygon(pezzo.coordCorrX,pezzo.coordCorrY,pezzo.nr_punti);
		}
		if(Base.aggiorna)
		// I remove the little square border if it's painted into the grid.
		{
			g.setColor(AppletEnglish.color);
			g.drawPolygon(pezzo.oldCoordX,pezzo.oldCoordY,pezzo.nr_punti);         
			Base.aggiorna = false;
		}
	      

		return;
	}



	public void makePiece()
	{

		nr_pezzo = choosePiece();
		for(int i=0;i<3;i++)
			color[i]=(int)(Math.random()*255);
		switch (nr_pezzo)
		{
			case 0: pezzo = new Piece0(maxX,maxY,color);break;
                        case 1: pezzo = new Piece1(maxX,maxY,color);break;     
                        case 2: pezzo = new Piece2(maxX,maxY,color);break;     
                        case 3: pezzo = new Piece3(maxX,maxY,color);break;     
			case 4: pezzo = new Piece4(maxX,maxY,color);break;     
			case 5: pezzo = new Piece5(maxX,maxY,color);break;     		
			case 6: pezzo = new Piece6(maxX,maxY,color);break;
			case 7: pezzo = new Piece7(maxX,maxY,color);break;
			case 8: pezzo = new Piece8(maxX,maxY,color);break;
			case 9: pezzo = new Piece9(maxX,maxY,color);break;
			case 10: pezzo = new Piece10(maxX,maxY,color);break;
			case 11: pezzo = new Piece11(maxX,maxY,color);break;

		}
		Tetrisgame.rigaPiena = false;
		return;	

	}
	
	public boolean goDown()
	{
		fine = pezzo.ifFallDown();
		return fine;
	}
	
	public boolean end()
	{
		gameOver = pezzo.end();
		return gameOver;
	}
	
	public int choosePiece()
	{
		switch (AppletEnglish.livello)
		{
		// level1: choose 1 random piece amongst all the existing ones.
		  case 1: return ((int) (Math.random()*12));
		// level2: choose 1 random piece amongst all the existing ones that have 4, 3 or 2 little squares
		  case 2: return ((int) (Math.random()*11));
		// level3: choose 1 random piece amongst all the existing ones that have 4 or 3 little squares
		  case 3: return ((int) (Math.random()*10));
		// level4: choose 1 random piece amongst all the existing ones that have 4 little squares
		  case 4: return ((int) (Math.random()*7));
		}
		return 0;
		
	}
	
	
}