java-Tetris.rar_tetris

import java.awt.*; class TetrisGame implements PosPaintable { Grid playfield; TetrisPiece piece; int curScore; int px,py; intNonZero testNonZero; intOr putDown; public TetrisGame(int xs,int ys,boolean randomCrap) { playfield=new Grid(xs,ys,1); clear(); piece = new TetrisPiece(); py=0; px=(xs-piece.sizex())/2; testNonZero = new intNonZero(); putDown = new intOr(); curScore=0; } void clear() { playfield.fill(0,0,playfield.sizex(),playfield.sizey(),0); } public void paint(Graphics g, int x,int y) { g.drawRect(x,y,2+playfield.sizex()*10,2+playfield.sizey()*10); for(int j=0;j<playfield.sizey();j++) for(int i=0;i<playfield.sizex();i++) if((playfield.grid[i][j]!=0) || ((i>=px) && (i<px+piece.sizex()) && (j>=py) && (j<py+piece.sizey()) && (piece.grid[i-px][j-py]!=0))) g.fillRect(3+x+i*10,3+y+j*10,8,8); } public boolean step() { if(playfield.compare(piece,px,py+1,testNonZero)) { // Put down the piece playfield.put_on(piece,px,py,putDown); // Clear out full lines for(int j=playfield.sizey()-1;j>=0;j--) while(testFullLine(j)==true) { deleteLine(j); // Simple scoring function curScore+=10; } // Put on a new piece piece = new TetrisPiece(); py=0; px=(playfield.sizex()-piece.sizex())/2; if(playfield.compare(piece,px,py,testNonZero)) return true; } py++; return false; } private boolean testFullLine(int y) { for(int i=0;i<playfield.sizex();i++) if(playfield.grid[i][y]==0) return false; return true; } private void deleteLine(int y) { for(int j=y;j>0;j--) for(int i=0;i<playfield.sizex();i++) playfield.grid[i][j]=playfield.grid[i][j-1]; for(int i=0;i<playfield.sizex();i++) playfield.grid[i][0]=0; } // Data-returning methods public int score() { return curScore; } // Game-play interface methods public void move_left(int i) { if(playfield.compare(piece,px-i,py,testNonZero)) return; // Should we throw an exception here? px-=i; } public void move_left() { move_left(1); } public void move_right(int i) { if(playfield.compare(piece,px+i,py,testNonZero)) return; // Should we throw an exception here? px+=i; } public void move_right() { move_right(1); } public void rotate_cw() { TetrisPiece test=new TetrisPiece(piece); test.rotate_cw(); if(!playfield.compare(test,px,py,testNonZero)) piece=test; } public void rotate_ccw() { TetrisPiece test=new TetrisPiece(piece); test.rotate_ccw(); if(!playfield.compare(test,px,py,testNonZero)) piece=test; } public void drop() { while(!playfield.compare(piece,px,py+1,testNonZero)) py++; } }