core/src/ru/deadsoftware/cavedroid/game/mobs/FallingGravel.java

   1 package ru.deadsoftware.cavedroid.game.mobs;
   2
   3 import com.badlogic.gdx.Gdx;
   4 import com.badlogic.gdx.graphics.Texture;
   5 import com.badlogic.gdx.graphics.g2d.SpriteBatch;
   6 import com.badlogic.gdx.math.Vector2;
   7 import ru.deadsoftware.cavedroid.game.GameItemsHolder;
   8 import ru.deadsoftware.cavedroid.game.world.GameWorld;
   9 import ru.deadsoftware.cavedroid.misc.Assets;
  10
  11 import javax.annotation.CheckForNull;
  12
  13 /**
  14  * Falling gravel is actually a mob, that spawns in place of gravel when there is no block under it,
  15  * falls down to the next block and becomes a block of gravel again.
  16  */
  17 public class FallingGravel extends Mob {
  18
  19     private static final String TAG = "FallingGravel";
  20
  21     /**
  22      * Creates a FallingGravel mob at coordinates
  23      *
  24      * @param x X in pixels
  25      * @param y Y in pixels
  26      */
  27     public FallingGravel(float x, float y) {
  28         super(x, y, 16, 16, Direction.LEFT, Type.GRAVEL, Integer.MAX_VALUE);
  29         mVelocity = new Vector2(0, 1);
  30     }
  31
  32     @Override
  33     public float getSpeed() {
  34         return 0;
  35     }
  36
  37     @Override
  38     public void jump() {
  39         // no-op
  40     }
  41
  42     @Override
  43     public void ai(GameWorld gameWorld, GameItemsHolder gameItemsHolder, float delta) {
  44         if (mVelocity.isZero()) {
  45             gameWorld.setForeMap(getMapX(), getUpperMapY(), gameItemsHolder.getBlock("gravel"));
  46             kill();
  47         }
  48     }
  49
  50     @Override
  51     public void changeDir() {
  52     }
  53
  54     @Override
  55     public void draw(SpriteBatch spriteBatch, float x, float y, float delta) {
  56         @CheckForNull final Texture texture = Assets.blockTextures.get("gravel");
  57
  58         if (texture == null) {
  59             Gdx.app.error(TAG, "Couldn't draw: texture not found");
  60             kill();
  61             return;
  62         }
  63
  64         spriteBatch.draw(texture, x, y);
  65     }
  66
  67 }