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src/minicraft/entity/SoulBall.java

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+package minicraft.entity;
+
+import java.util.List;
+
+import minicraft.entity.mob.AirWizard;
+import minicraft.entity.mob.Cthulhu;
+import minicraft.entity.mob.Mob;
+import minicraft.gfx.Rectangle;
+import minicraft.gfx.Screen;
+
+public class SoulBall extends Entity {
+	private int lifeTime; // how much time until the spark disappears
+	private double xa, ya; // the x and y acceleration
+	private double xx, yy; // the x and y positions
+	private int time; // the amount of time that has passed
+	private Cthulhu owner; // the AirWizard that created this spark
+
+	/**
+	 * Creates a new spark. Owner is the AirWizard which is spawning this spark.
+	 * @param owner The AirWizard spawning the spark.
+	 * @param xa X velocity.
+	 * @param ya Y velocity.
+	 */
+	public SoulBall(Cthulhu owner, double xa, double ya) {
+		super(0, 0);
+
+		this.owner = owner;
+		xx = owner.x;
+		yy = owner.y;
+		this.xa = xa;
+		this.ya = ya;
+
+		// Max time = 629 ticks. Min time = 600 ticks.
+		lifeTime = 60 * 10 + random.nextInt(30);
+	}
+
+	@Override
+	public void tick() {
+		time++;
+		if (time >= lifeTime) {
+			remove(); // remove this from the world
+			return;
+		}
+		// move the spark:
+		xx += xa;
+		yy += ya;
+		x = (int) xx;
+		y = (int) yy;
+		List<Entity> toHit = level.getEntitiesInRect(new Rectangle(x, y, 0, 0, Rectangle.CENTER_DIMS)); // gets the entities in the current position to hit.
+		for (int i = 0; i < toHit.size(); i++) {
+			Entity e = toHit.get(i);
+			if (e instanceof Mob && !(e instanceof AirWizard)) {
+				 // if the entity is a mob, but not a Air Wizard, then hurt the mob with 1 damage.
+				((Mob)e).hurt(owner, 1);
+			}
+		}
+	}
+
+	/** Can this entity block you? Nope. */
+	public boolean isSolid() {
+		return false;
+	}
+
+	@Override
+	public void render(Screen screen) {
+		/* this first part is for the blinking effect */
+		if (time >= lifeTime - 6 * 20) {
+			if (time / 6 % 2 == 0) return; // if time is divisible by 12, then skip the rest of the code.
+		}
+
+		int randmirror = random.nextInt(4);
+
+		screen.render(x - 4, y - 4 - 2, 8 + 24 * 32, randmirror, 2); // renders the spark
+	}
+
+	/**
+	 * Returns the owners id as a string.
+	 * @return the owners id as a string.
+	 */
+	public String getData() {
+		return owner.eid+"";
+	}
+}

src/minicraft/entity/Spark.java

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+package minicraft.entity;
+
+import java.util.List;
+
+import minicraft.entity.mob.AirWizard;
+import minicraft.entity.mob.Mob;
+import minicraft.gfx.Rectangle;
+import minicraft.gfx.Screen;
+
+public class Spark extends Entity {
+	private int lifeTime; // how much time until the spark disappears
+	private double xa, ya; // the x and y acceleration
+	private double xx, yy; // the x and y positions
+	private int time; // the amount of time that has passed
+	private AirWizard owner; // the AirWizard that created this spark
+
+	/**
+	 * Creates a new spark. Owner is the AirWizard which is spawning this spark.
+	 * @param owner The AirWizard spawning the spark.
+	 * @param xa X velocity.
+	 * @param ya Y velocity.
+	 */
+	public Spark(AirWizard owner, double xa, double ya) {
+		super(0, 0);
+
+		this.owner = owner;
+		xx = owner.x;
+		yy = owner.y;
+		this.xa = xa;
+		this.ya = ya;
+
+		// Max time = 629 ticks. Min time = 600 ticks.
+		lifeTime = 60 * 10 + random.nextInt(30);
+	}
+
+	@Override
+	public void tick() {
+		time++;
+		if (time >= lifeTime) {
+			remove(); // remove this from the world
+			return;
+		}
+		// move the spark:
+		xx += xa;
+		yy += ya;
+		x = (int) xx;
+		y = (int) yy;
+		List<Entity> toHit = level.getEntitiesInRect(new Rectangle(x, y, 0, 0, Rectangle.CENTER_DIMS)); // gets the entities in the current position to hit.
+		for (int i = 0; i < toHit.size(); i++) {
+			Entity e = toHit.get(i);
+			if (e instanceof Mob && !(e instanceof AirWizard)) {
+				 // if the entity is a mob, but not a Air Wizard, then hurt the mob with 1 damage.
+				((Mob)e).hurt(owner, 1);
+			}
+		}
+	}
+
+	/** Can this entity block you? Nope. */
+	public boolean isSolid() {
+		return false;
+	}
+
+	@Override
+	public void render(Screen screen) {
+		/* this first part is for the blinking effect */
+		if (time >= lifeTime - 6 * 20) {
+			if (time / 6 % 2 == 0) return; // if time is divisible by 12, then skip the rest of the code.
+		}
+
+		int randmirror = random.nextInt(4);
+
+		screen.render(x - 4, y - 4 - 2, 8 + 24 * 32, randmirror, 2); // renders the spark
+	}
+
+	/**
+	 * Returns the owners id as a string.
+	 * @return the owners id as a string.
+	 */
+	public String getData() {
+		return owner.eid+"";
+	}
+}

src/minicraft/entity/Tickable.java

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+package minicraft.entity;
+
+public interface Tickable {
+
+	void tick();
+
+}

src/minicraft/entity/particle/Particle.java

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+package minicraft.entity.particle;
+
+import minicraft.entity.ClientTickable;
+import minicraft.entity.Entity;
+import minicraft.gfx.Screen;
+import minicraft.gfx.Sprite;
+
+public class Particle extends Entity implements ClientTickable {
+	private int time; // lifetime elapsed.
+	private int lifetime;
+
+	protected Sprite sprite;
+
+	/**
+	 * Creates an particle entity at the given position. The particle has a x and y radius = 1.
+	 * @param x X map coordinate
+	 * @param y Y map coorindate
+	 * @param xr x radius of the particle   
+	 * @param lifetime How many game ticks the particle lives before its removed
+	 * @param sprite The particle's sprite
+	 */
+	public Particle(int x, int y, int xr, int lifetime, Sprite sprite) {
+		// make a particle at the given coordinates
+		super(xr, 1);
+		this.x = x;
+		this.y = y;
+		this.lifetime = lifetime;
+		this.sprite = sprite;
+		time = 0;
+	}
+	public Particle(int x, int y, int lifetime, Sprite sprite) {
+		this(x, y, 1, lifetime, sprite);
+	}
+
+	@Override
+	public void tick() {
+		time++;
+		if(time > lifetime) {
+			remove();
+		}
+	}
+
+	@Override
+	public void render(Screen screen) { sprite.render(screen, x, y); }
+
+	@Override
+	public boolean isSolid() { return false; }
+}

src/minicraft/entity/particle/SmashParticle.java

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+package minicraft.entity.particle;
+
+import minicraft.gfx.Sprite;
+
+public class SmashParticle extends Particle {
+	static int[][] mirrors = {{2, 3}, {0, 1}};
+
+	/**
+	 * Creates a smash particle at the given position. Has a lifetime of 10 ticks.
+	 * Will also play a monsterhurt sound when created.
+	 * 
+	 * @param x X map position
+	 * @param y Y map position
+	 */
+	public SmashParticle(int x, int y) {
+		super(x, y, 10, new Sprite(3, 3, 2, 2, 3, true, mirrors));
+	}
+}

src/minicraft/entity/particle/TextParticle.java

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+package minicraft.entity.particle;
+
+import minicraft.gfx.Color;
+import minicraft.gfx.FontStyle;
+import minicraft.gfx.Screen;
+
+public class TextParticle extends Particle {
+	private String msg; // Message of the text particle
+	private double xa, ya, za; // x,y,z acceleration
+	private double xx, yy, zz; // x,y,z coordinates
+
+	private FontStyle style;
+
+	/**
+	 * Creates a text particle which shows a message on the screen.
+	 * 
+	 * @param msg Message to display
+	 * @param x X map position
+	 * @param y Y map position
+	 * @param col Text color
+	 */
+	public TextParticle(String msg, int x, int y, int col) {
+		super(x, y, msg.length(), 60, null);
+
+		style = new FontStyle(col).setShadowType(Color.BLACK, false);
+		this.msg = msg;
+		xx = x; //assigns x pos
+		yy = y; //assigns y pos
+		zz = 2; //assigns z pos to be 2
+
+		//assigns x,y,z acceleration:
+		xa = random.nextGaussian() * 0.3;
+		ya = random.nextGaussian() * 0.2;
+		za = random.nextFloat() * 0.7 + 2;
+	}
+
+	@Override
+	public void tick() {
+		super.tick();
+
+		//move the particle according to the acceleration
+		xx += xa;
+		yy += ya;
+		zz += za;
+		if (zz < 0) {
+			//if z pos if less than 0, alter accelerations...
+			zz = 0;
+			za *= -0.5;
+			xa *= 0.6;
+			ya *= 0.6;
+		}
+		za -= 0.15;  // za decreases by 0.15 every tick.
+		//truncate x and y coordinates to integers:
+		x = (int) xx;
+		y = (int) yy;
+	}
+
+	@Override
+	public void render(Screen screen) {
+		style.setXPos(x - msg.length() * 4).setYPos(y - (int)zz).draw(msg, screen);
+	}
+
+	/**
+	 * Returns the message and color divied by the character :.
+	 * @return string representation of the particle
+	 */
+	public String getData() {
+		return msg+":"+style.getColor();
+	}
+}