3 files changed, 92 insertions, 8 deletions
diff --git a/src/scalevalapokalypsi/Model/Entities/Entity.scala b/src/scalevalapokalypsi/Model/Entities/Entity.scala
index c7bc180..336a6b1 100644
--- a/src/scalevalapokalypsi/Model/Entities/Entity.scala
+++ b/src/scalevalapokalypsi/Model/Entities/Entity.scala
@@ -59,10 +59,7 @@ class Entity(
 			("Olet täysin kunnossa.", s"$name näyttää kuin vastasyntyneeltä.")
 
 	/** Does nothing, except possibly in inherited classes. */
-	def observeString(observation: String): Unit =
-		println("    [debug] entity got observation string & discarded it")
-	def observe(event: Event): Unit =
-		println("    [debug] entity got observation event & discarded it")
+	def observe(event: Event): Unit = ()
 
 	/** Returns the player’s current location. */
 	def location = this.currentLocation
@@ -194,4 +191,5 @@ class Entity(
 
 
 
+
 end Entity
diff --git a/src/scalevalapokalypsi/Model/Entities/NPCs/NPC.scala b/src/scalevalapokalypsi/Model/Entities/NPCs/NPC.scala
new file mode 100644
index 0000000..21709ba
--- /dev/null
+++ b/src/scalevalapokalypsi/Model/Entities/NPCs/NPC.scala
@@ -0,0 +1,89 @@
+
+package scalevalapokalypsi.Model.Entities.NPCs
+
+import scala.collection.mutable.Buffer
+import scalevalapokalypsi.Model.*
+import scalevalapokalypsi.Model.Entities.*
+import scala.util.Random
+
+/** A `NPC` object represents a non-playable in-game character controlled by
+ *  the server using this objects `act` method. It can also be "talked to": it
+ *  returns a dialog when asked for.
+ *
+ * A NPC object’s state is mutable: the NPC’s location and possessions can change,
+ * for instance.
+ *
+ * @param name the NPC's name
+ * @param initialLocation the NPC’s initial location
+ */
+abstract class NPC(
+	name: String,
+	initialLocation: Area,
+	initialHP: Int,
+	maxHp: Int
+) extends Entity(name, initialLocation, initialHP, maxHp):
+	def getDialog: String
+	def act(): Unit
+
+class Zombie(
+	identifier: String,
+	initialLocation: Area,
+	initialHP: Int = 20
+) extends NPC(identifier, initialLocation, initialHP, 20):
+
+	private val damage = 10
+	private val dialogs = Vector(
+		"örvlg",
+		"grr",
+		"äyyrrrgrlgb ww",
+		"aaak brzzzwff ååö",
+		"äkb glan abglum",
+		"öub gpa"
+	)
+
+	override def getDialog: String =
+		val dialogIndex = Random.between(0, this.dialogs.length)
+		this.dialogs(dialogIndex)
+
+	override def act(): Unit =
+		val possibleVictims = this.location
+			.getEntities
+			.filter(_ != this)
+			.toVector
+		val index: Int =
+			if possibleVictims.isEmpty then 0
+			else Random.between(0, possibleVictims.length)
+		if possibleVictims.isEmpty then
+			val possibleDirections = this.location.getNeighborNames.toVector
+			val directionIndex = Random.between(0, possibleDirections.length*2)
+			possibleDirections
+				.toVector
+				.lift(directionIndex)
+				.flatMap(this.go(_))
+				.map(this.location.observeEvent(_))
+		else
+			this.location.observeEvent(
+				this.attack(possibleVictims(index))
+			)
+
+
+	private def attack(entity: Entity): Event =
+		if Random.nextBoolean() then
+			entity.takeDamage(this.damage)
+			Event(
+				Map.from(Vector((
+					entity,
+					s"${this.name} puree sinua, hyi yäk!\n" +
+						s"${entity.condition(0)}"
+				))),
+				s"${this.name} puree henkilöä ${entity.name}.\n" +
+					s"${entity.condition(1)}"
+			)
+		else
+			Event(
+				Map.from(Vector((
+					entity,
+					s"${this.name} yrittää purra sinua mutta kaatuu ohitsesi."
+				))),
+				s"${this.name} yrittää purra henkilöä ${entity.name}, mutta epäonnistuu surkeasti."
+			)
diff --git a/src/scalevalapokalypsi/Model/Entities/Player.scala b/src/scalevalapokalypsi/Model/Entities/Player.scala
index 1dd5187..d6b3529 100644
--- a/src/scalevalapokalypsi/Model/Entities/Player.scala
+++ b/src/scalevalapokalypsi/Model/Entities/Player.scala
@@ -18,9 +18,6 @@ class Player(name: String, initialLocation: Area) extends Entity(name, initialLo
 	private val observedEvents: Buffer[Event] = Buffer.empty
 	private var pendingSingEffect: Option[SingEffect] = None
 
-
-	override def observeString(observation: String): Unit =
-		this.observations.append(observation)
 	override def observe(event: Event): Unit =
 		this.observedEvents.append(event)
 
@@ -30,7 +27,7 @@ class Player(name: String, initialLocation: Area) extends Entity(name, initialLo
 		val res = (res1 ++ res2).toVector
 		observations.clear()
 		observedEvents.clear()
-		res
+		res.filter(s => !(s.isEmpty))
 		
 	/** Returns whether this player has a pending sing effect. */
 	def isSinging: Boolean = this.pendingSingEffect.isDefined