Screen.java

package tk.sketchistgames.graphics;

import java.util.Random;

import tk.sketchistgames.level.tile.Tile;

public class Screen {
	private int width, height;
	public int[] pixels;
	public final int MAP_SIZE = 64;
	public final int MAP_SIZE_MASK = MAP_SIZE - 1;
	public int[] tiles = new int[MAP_SIZE * MAP_SIZE];
	public int xOffset, yOffset;

	private Random random = new Random();

	public Screen(int width, int height) {
		this.setWidth(width);
		this.setHeight(height);
		pixels = new int[width * height]; // 50,400 integers in array


	}

	public void clear() {
		for (int i = 0; i < pixels.length; i++) {
			pixels[i] = 0;
		}
	}


	public void renderTile(int xp, int yp, Tile tile) {
		xp -= xOffset;
		yp -= yOffset;
		for (int y = 0; y < tile.sprite.SIZE; y++) {
			int ya = y + yp;
			for (int x = 0; x < tile.sprite.SIZE; x++) {
				int xa = x + xp;
				if (xa < 0 || xa >= getWidth() || ya < 0 || ya >= getHeight()) {
				pixels[xa + (ya * getWidth())] = tile.sprite.pixels[x + y * tile.sprite.SIZE];
				}
				}
			}
		}


	public void setOffset(int xOffset, int yOffset){
		this.xOffset = xOffset;
		this.yOffset = yOffset;
	}

	public int getWidth() {
		return width;
	}

	public void setWidth(int width) {
		this.width = width;
	}

	public int getHeight() {
		return height;
	}

	public void setHeight(int height) {
		this.height = height;
	}

}