use Singleton SoundEngine instead of GameState

core/src/main/kotlin/com/last/commit/Game.kt

@@ -5,7 +5,6 @@ import com.badlogic.gdx.Gdx
 import com.badlogic.gdx.Screen
 import com.badlogic.gdx.graphics.g2d.BitmapFont
 import com.badlogic.gdx.scenes.scene2d.ui.Skin
-import com.last.commit.audio.SoundEngine
 import com.last.commit.inventory.Inventory
 import com.last.commit.screen.*
 import com.last.commit.stages.DialogStage
@@ -51,7 +50,6 @@ class Game : Game() {
     fun createState() {
         state = GameState(
             Inventory(),
-            SoundEngine,
             null,
             DialogStage(Skin(Gdx.files.internal("ui/uiskin.json")))
         )

core/src/main/kotlin/com/last/commit/GameState.kt

@@ -1,13 +1,11 @@
 package com.last.commit
 
-import com.last.commit.audio.SoundEngine
 import com.last.commit.inventory.Inventory
 import com.last.commit.map.MapState
 import com.last.commit.stages.DialogStage
 
 data class GameState(
     val inventory: Inventory,
-    val soundEngine: SoundEngine,
     var map: MapState? = null,
     val dialogStage: DialogStage
 ) {

core/src/main/kotlin/com/last/commit/Player.kt

@@ -4,6 +4,7 @@ import com.badlogic.gdx.graphics.g2d.SpriteBatch
 import com.badlogic.gdx.graphics.g2d.TextureRegion
 import com.badlogic.gdx.math.Rectangle
 import com.badlogic.gdx.math.Vector2
+import com.last.commit.audio.SoundEngine
 
 
 class Player(private val textureRegion: TextureRegion, private val gameState: GameState) : Collidable {
@@ -35,7 +36,7 @@ class Player(private val textureRegion: TextureRegion, private val gameState: Ga
             updateCollider()
 
             if (System.currentTimeMillis() - lastStep > 500) {
-                gameState.soundEngine.play("STEPS_INDOOR") //0.5F
+                SoundEngine.play("STEPS_INDOOR") //0.5F
                 lastStep = System.currentTimeMillis()
             }
         }

core/src/main/kotlin/com/last/commit/map/Collectible.kt

@@ -4,6 +4,7 @@ import com.badlogic.gdx.math.Rectangle
 import com.badlogic.gdx.math.Vector2
 import com.badlogic.gdx.scenes.scene2d.ui.Image
 import com.last.commit.GameState
+import com.last.commit.audio.SoundEngine
 
 class Collectible(
     name: String,
@@ -23,7 +24,7 @@ class Collectible(
 
     override fun interact(otherCollider: Rectangle, state: GameState): Boolean {
         println("Interacting with item $name")
-        state.soundEngine.play("GRAB")
+        SoundEngine.play("GRAB")
         if (state.inventory.hasItem(this.name)) {
             state.dialogStage.setTexts("You already have this item.")
             state.dialogStage.show()

core/src/main/kotlin/com/last/commit/map/Door.kt

@@ -4,6 +4,7 @@ import com.badlogic.gdx.maps.tiled.TiledMapTileLayer.Cell
 import com.badlogic.gdx.math.Rectangle
 import com.last.commit.GameState
 import com.last.commit.Wall
+import com.last.commit.audio.SoundEngine
 import com.last.commit.inventory.InventoryItem
 
 class Door(gridX: Int, gridY: Int, wallCollider: Rectangle, cell: Cell) :
@@ -33,13 +34,13 @@ class Door(gridX: Int, gridY: Int, wallCollider: Rectangle, cell: Cell) :
     override fun interact(otherCollider: Rectangle, state: GameState): Boolean {
         println("interacting with door $this")
         if (isClosed) {
-            state.soundEngine.play("DOOR_OPEN")
+            SoundEngine.play("DOOR_OPEN")
             isOpen = true
         } else if (isOpen) {
             if (getCollider().overlaps(otherCollider)) {
                 // can't close the door cause it is colliding with given collider
             } else {
-                state.soundEngine.play("DOOR_CLOSE")
+                SoundEngine.play("DOOR_CLOSE")
                 isOpen = false
             }
         }

core/src/main/kotlin/com/last/commit/map/MapState.kt

@@ -43,11 +43,12 @@ class MapState(val map: TiledMap, val textureLoader: SpritesheetTextureLoader) {
         for (obj in map.layers["Teleporter"].objects) {
             if (obj is RectangleMapObject) {
                 this.teleporters.add(obj)
-                println("Teleporter ${obj}")
             }
         }
         if (this.teleporters.isEmpty()) {
             println("No Teleporters defined!")
+        } else {
+            println("Found ${teleporters.size} teleporters")
         }
     }
 

core/src/main/kotlin/com/last/commit/map/TimeMap.kt

@@ -12,6 +12,7 @@ import com.badlogic.gdx.scenes.scene2d.ui.Image
 import com.last.commit.Collidable
 import com.last.commit.GameState
 import com.last.commit.Player
+import com.last.commit.audio.SoundEngine
 import com.last.commit.inventory.SpritesheetTextureLoader
 
 
@@ -57,7 +58,7 @@ class TimeMap(fileName: String, val state: GameState) {
             it.rectangle.contains(player.getX(), player.getY())
         }
         if (teleporter != null) {
-            state.soundEngine.play("TIME_TRAVEL")
+            SoundEngine.play("TIME_TRAVEL")
             val targetMap = teleporter.properties.get("target", String::class.java)
             System.out.println("Teleporting to targetMap $targetMap")
             loadMap("tiled/$targetMap")