package tfg;

import org.jsfml.system.Vector2f;

/**
 * Enumeration of tiles comprising maps.
 * @author Ritchie Cunningham
 */
public enum Tile {
    WATER,  /* Wet and wild tile. */
    SAND,   /* Urgh, it gets between my toes. */
    GRASS;  /* Soft, green, vivid, inviting.. */

    /**
     * Length or width of a map tile.
     * Each tile *MUST* be a square, therefore the area of
     * the tile is this number squared.
     */
    private static int tileSize = 32;

    /**
     * Get the coords of a specific tile from the tile-set image.
     * @param t The tile to get the coordinates of.
     * @return Coords of the tile image in the tile-set.
     */
    public static Vector2f getTextureCoords(Tile t) {
        Vector2f textureCoordinates = new Vector2f(0, 0);
        switch(t) {
            case WATER:
                textureCoordinates = new Vector2f(480, 544);
                break;
            case SAND:
                textureCoordinates = new Vector2f(576, 352);
                break;
            case GRASS:
                textureCoordinates = new Vector2f(448, 352);
                break;
        }
        return textureCoordinates;
    }

    /**
     * Get the side length of a square tile.
     * The tile area is tileSize^2.
     * @return Length of a square map tile.
     */
    public static int getSize() {
        return tileSize;
    }

    /**
     * Determine if this tile is safe for the player to walk on.
     * @param t Tile to test.
     * @return If the player can walk on it.
     */
    public static boolean getCanWalkOn(Tile t) {
        boolean canWalk = false;
        switch(t) {
            case WATER:
                canWalk = false;
                break;
            case SAND:
                canWalk = true;
                break;
            case GRASS:
                canWalk = true;
                break;
        }
        return canWalk;
    }
}