block.java

import static org.lwjgl.opengl.GL11.*;

public class Block {
	public boolean tiles[][] = new boolean[4][4];
	
	/*
	 * Allowed shapes
	 * (Regular tetris shapes)
	 * i
	 * j
	 * l
	 * o
	 * z
	 * t
	 * s
	 */
	
	public float baseX;
	public float baseY;
	
	public float r;
	public float g;
	public float b;
	
	public char type;
	
	public int blockstate = 1;
	
	public Block(char type, float x, float y) {
		
		clearTiles();
		
		this.baseX = x;
		this.baseY = y;
		this.type = type;
		switch(type) {
		case 'i':
			this.r = 0;
			this.g = 210;
			this.b = 255;
			break;
		case 'j':
			this.r = 10;
			this.g = 255;
			this.b = 10;
			break;
		case 'l':
			this.r = 0;
			this.g = 0;
			this.b = 255;
			break;
		case 'o':
			this.r = 255;
			this.g = 255;
			this.b = 0;
			break;
		case 'z':
			this.r = 200;
			this.g = 200;
			this.b = 200;
			break;
		case 't':
			this.r = 200;
			this.g = 200;
			this.b = 200;
			break;
		case 's':
			this.r = 200;
			this.g = 200;
			this.b = 200;
			break;
		}
		refresh();
	}
	
	private void clearTiles() {
		for(int xi = 0; xi < 4; xi++) {
			for(int yi = 0; yi < 4; yi++) {
				tiles[xi][yi] = false;
			}
		}
	}
	
	public void rotate(int dir) {
		blockstate += dir;
		if (blockstate < 1) { blockstate = 4; }
		if (blockstate > 4) { blockstate = 1; }
		refresh();
		
	}
	
	private void refresh() {
		switch(type) {
		case 'i':
			clearTiles();
			if (blockstate == 1) {
				tiles[0][1] = true;
				tiles[1][1] = true;
				tiles[2][1] = true;
				tiles[3][1] = true;
			}
			if (blockstate == 2) {
				tiles[2][0] = true;
				tiles[2][1] = true;
				tiles[2][2] = true;
				tiles[2][3] = true;
			}
			if (blockstate == 3) {
				tiles[0][2] = true;
				tiles[1][2] = true;
				tiles[2][2] = true;
				tiles[3][2] = true;
			}
			if (blockstate == 4) {
				tiles[1][0] = true;
				tiles[1][1] = true;
				tiles[1][2] = true;
				tiles[1][3] = true;
			}
			break;
		case 'j':
			clearTiles();
			if (blockstate == 1) {
				tiles[2][1] = true;
				tiles[2][2] = true;
				tiles[2][3] = true;
				tiles[1][3] = true;
			}
			else if (blockstate == 2 ) {
				tiles[2][2] = true;
				tiles[1][2] = true;
				tiles[1][1] = true;
				tiles[3][2] = true;
			}
			else if (blockstate == 3) {
				tiles[2][2] = true;
				tiles[2][1] = true;
				tiles[3][1] = true;
				tiles[2][3] = true;
			}
			else if (blockstate == 4) {
				tiles[2][2] = true;
				tiles[3][2] = true;
				tiles[3][3] = true;
				tiles[1][2] = true;
			}
			break;
		case 'l':
			clearTiles();
			if (blockstate == 1) {
				tiles[2][1] = true;
				tiles[2][2] = true;
				tiles[2][3] = true;
				tiles[3][3] = true;
			}
			else if (blockstate == 2 ) {
				tiles[2][2] = true;
				tiles[1][2] = true;
				tiles[1][3] = true;
				tiles[3][2] = true;
			}
			else if (blockstate == 3) {
				tiles[2][2] = true;
				tiles[2][1] = true;
				tiles[1][1] = true;
				tiles[2][3] = true;
			}
			else if (blockstate == 4) {
				tiles[2][2] = true;
				tiles[3][2] = true;
				tiles[3][1] = true;
				tiles[1][2] = true;
			}
			break;
		case 'o':
			tiles[2][2] = true;
			tiles[2][3] = true;
			tiles[3][2] = true;
			tiles[3][3] = true;
			break;
		case 'z':
			clearTiles();
			if (blockstate == 1) {
				tiles[0][0] = true;
				tiles[1][0] = true;
				tiles[1][1] = true;
				tiles[2][1] = true;
			}
			if (blockstate == 2) {
				tiles[1][1] = true;
				tiles[2][1] = true;
				tiles[2][0] = true;
				tiles[1][2] = true;
			}
			if (blockstate == 3) {
				tiles[0][2] = true;
				tiles[1][2] = true;
				tiles[1][1] = true;
				tiles[2][1] = true;
			}
			if (blockstate == 4) {
				tiles[0][1] = true;
				tiles[0][2] = true;
				tiles[1][1] = true;
				tiles[1][0] = true;
			}
			break;
		case 't':
			clearTiles();
			if (blockstate == 1) {
				tiles[0][1] = true;
				tiles[1][1] = true;
				tiles[2][1] = true;
				tiles[1][0] = true;
			}
			if (blockstate == 2) {
				tiles[1][0] = true;
				tiles[1][1] = true;
				tiles[1][2] = true;
				tiles[2][1] = true;
			}
			if (blockstate == 3) {
				tiles[0][1] = true;
				tiles[1][1] = true;
				tiles[2][1] = true;
				tiles[1][2] = true;
			}
			if (blockstate == 4) {
				tiles[1][0] = true;
				tiles[1][1] = true;
				tiles[1][2] = true;
				tiles[0][1] = true;
			}
			break;
		case 's':
			clearTiles();
			if (blockstate == 1) {
				tiles[0][1] = true;
				tiles[1][1] = true;
				tiles[1][0] = true;
				tiles[2][0] = true;
			}
			if (blockstate == 2) {
				tiles[1][0] = true;
				tiles[1][1] = true;
				tiles[2][1] = true;
				tiles[2][2] = true;
			}
			if (blockstate == 3) {
				tiles[0][2] = true;
				tiles[1][2] = true;
				tiles[1][1] = true;
				tiles[2][1] = true;
			}
			if (blockstate == 4) {
				tiles[0][0] = true;
				tiles[0][1] = true;
				tiles[1][1] = true;
				tiles[1][2] = true;
			}
			break;
		}
	}
	
	public void render() {
		for(int x = 0; x < 4; x++) {
			for(int y = 0; y < 4; y++) {
				if (tiles[x][y] == true) {
					glPushMatrix();
					glTranslatef(baseX+(x*20), baseY+(y*20),0);
					glBegin(GL_QUADS);
					glColor3f(r/255,g/255,b/255);
					glVertex2f(0,0);
					glVertex2f(20,0);
					glVertex2f(20,20);
					glVertex2f(0,20);
					glEnd();
					glPopMatrix();
				}
			}
		}
	}
	
}