package se.urmo.game.map;

import lombok.Getter;
import lombok.Setter;

import java.awt.image.BufferedImage;

@Getter
@Setter
public class MapTile {
    private final int value;
    private BufferedImage image;
    private final boolean solid;
    private final boolean[][] collisionMask;

    public MapTile(BufferedImage image, int value) {
        this.value = value;
        this.image = image;
        this.solid = value != 0 && value != 99 && value != 56;
        this.collisionMask = value != 0 ? createCollisionMask(image) : null;
    }

    private boolean[][] createCollisionMask(BufferedImage img) {
        if(img == null) return null;
        int w = img.getWidth();
        int h = img.getHeight();
        boolean[][] mask = new boolean[h][w];
        for (int y = 0; y < h; y++) {
            for (int x = 0; x < w; x++) {
                int alpha = (img.getRGB(x, y) >> 24) & 0xff;
                mask[y][x] = alpha > 0; // solid if any pixel is visible
            }
        }
        return mask;
    }

}