Sprite.java

package h.c.rpg.graphics;

public class Sprite {

    private int x, y;
    private SpriteSheet sheet;

    public final int SIZE;
    public int[] pixels;

    // x: 0 - 15 y: 0 - 15 on sprite sheet
    public static Sprite grass = new Sprite(16, 0, 0, SpriteSheet.tiles);       // grass is 16bit at 0, 0 on sprite sheet
    public static Sprite flower = new Sprite(16, 0, 1, SpriteSheet.tiles);      // flower is 16bit at 0, 1 on sprite sheet
    public static Sprite rock = new Sprite(16, 0, 2, SpriteSheet.tiles);        // rocks is 16bit at 0, 2 on sprite sheet
    public static Sprite voidSprite = new Sprite(16, 0x1b87e0);         // sets voidSprite to color 0x1b87e0 - blue

    // Spawn Sprite s here
    public static Sprite spawn_grass = new Sprite(16, 1, 4, SpriteSheet.spawn_level); // loads sprites from spawn_level sheet
    public static Sprite spawn_leaves = new Sprite(16, 3, 0, SpriteSheet.spawn_level);
    public static Sprite spawn_water = new Sprite(16, 2, 1, SpriteSheet.spawn_level);
    public static Sprite spawn_water2 = new Sprite(16,3, 2, SpriteSheet.spawn_level);
    public static Sprite spawn_wall = new Sprite(16, 0, 0, SpriteSheet.spawn_level);
    public static Sprite spawn_wall2 = new Sprite(16, 3, 0, SpriteSheet.spawn_level);
    public static Sprite spawn_wood_floor = new Sprite(16, 4, 0, SpriteSheet.spawn_level);
    public static Sprite spawn_cobble_floor = new Sprite(16, 0, 1, SpriteSheet.spawn_level);
    public static Sprite spawn_purp_wool_floor = new Sprite(16, 1, 2, SpriteSheet.spawn_level);

    // Player Sprite s here
    public static Sprite player_forward = new Sprite(32, 0, 5, SpriteSheet.tiles);
    public static Sprite player_backward = new Sprite(32, 2, 5, SpriteSheet.tiles);
    public static Sprite player_side = new Sprite(32, 1, 5, SpriteSheet.tiles);

    public static Sprite player_forward_1 = new Sprite(32, 0, 6, SpriteSheet.tiles);
    public static Sprite player_forward_2 = new Sprite(32, 0, 7, SpriteSheet.tiles);

    public static Sprite player_side_1 = new Sprite(32, 1, 6, SpriteSheet.tiles);
    public static Sprite player_side_2 = new Sprite(32, 1, 7, SpriteSheet.tiles);

    public static Sprite player_backward_1 = new Sprite(32, 2, 6, SpriteSheet.tiles);
    public static Sprite player_backward_2 = new Sprite(32, 2, 7, SpriteSheet.tiles);

    public Sprite(int size, int x, int y, SpriteSheet sheet) {
        SIZE = size;        // gives SIZE a value
        pixels = new int[SIZE * SIZE];      // sets it to the size of the sprites
        this.x = x * size;  // finds x coordinate in the spritesheet
        this.y = y * size;  // finds y coordinate in the spritesheet
        this.sheet = sheet;
        load();
    }

    public Sprite(int size, int color) {
        SIZE = size;
        pixels = new int[SIZE * SIZE];
        setColor(color);
    }

    private void setColor(int color) {
        for (int i = 0; i < SIZE * SIZE; i++) {
            pixels[i] = color;
        }
    }

    private void load() {               // four lines of code that find & take single sprites from spritesheet
        for (int y = 0; y < SIZE; y++) {
            for (int x = 0; x < SIZE; x++) {
                pixels[x + y * SIZE] = sheet.pixels[(x + this.x) + (y + this.y) * sheet.SIZE];
            }
        }
    }
}