super-snuvi/src/me/hammerle/supersnuvi/tiles/WaterTile.java

package me.hammerle.supersnuvi.tiles;

import me.hammerle.snuviengine.api.Texture.Animation;
import me.hammerle.supersnuvi.entity.Entity;
import me.hammerle.supersnuvi.gamelogic.Level;
import me.hammerle.supersnuvi.util.CollisionBox;
import me.hammerle.supersnuvi.util.CollisionObject;
import me.hammerle.supersnuvi.util.Face;

public class WaterTile extends BaseTile
{
    private final static Animation WATER = Level.TILES.addAnimation(160, 0, 
            "resources/water/water_frame1.png", "resources/water/water_frame2.png",
            "resources/water/water_frame3.png", "resources/water/water_frame4.png",
            "resources/water/water_frame5.png", "resources/water/water_frame6.png",
            "resources/water/water_frame7.png", "resources/water/water_frame8.png");
    
    private int counter = 0;
    private final int level;
    
    public WaterTile(int level) 
    {
        super(0.3125f, 0.0f, 0.375f, 0.00390625f * (level + 1));
        this.level = level;
        super.setCollisionBox(CollisionBox.createScaledTileBox(0.1f, (getOffsetY() / Tile.SIZE) + 0.1f, 0.9f, 1.0f));
        super.setMovementBox(CollisionObject.NULL_BOX);
    }

    @Override
    public void onEntityCollide(Entity ent, int x, int y, Face face) 
    {
        super.onEntityCollide(ent, x, y, face);
        
        ent.getMovement().setInWater(true);
        
        float motionY = ent.getMotionY();
        if(motionY < 0)
        {
            motionY *= 0.92d;
            if(Math.abs(motionY) < 0.1)
            {
                motionY = 0;
            }
            ent.setMotionY(motionY);
        }
    }

    @Override
    public boolean shouldAiUseCollisionBox(int x, int y)
    {
        return false;
    }

    @Override
    public void tick() 
    {
        if(level == 15)
        {
            counter++;
            if(counter > 3)
            {
                counter = 0;
                WATER.nextFrame();
            }
        }
    }
    
    @Override
    public final float getOffsetY()
    {
        return Tile.SIZE - (Tile.SIZE / 16) * (level + 1);
    }

    @Override
    public final float getHeight()
    {
        return (Tile.SIZE / 16) * (level + 1);
    }
}