THE CREATURE

src/main/kotlin/group/ouroboros/potrogue/builders/EntityFactory.kt

@@ -4,6 +4,7 @@ import group.ouroboros.potrogue.entity.attributes.EntityActions
 import group.ouroboros.potrogue.entity.attributes.EntityPosition
 import group.ouroboros.potrogue.entity.attributes.EntityTile
 import group.ouroboros.potrogue.entity.attributes.flags.BlockOccupier
+import group.ouroboros.potrogue.entity.attributes.types.Creature
 import group.ouroboros.potrogue.entity.attributes.types.Player
 import group.ouroboros.potrogue.entity.attributes.types.Wall
 import group.ouroboros.potrogue.entity.messages.Dig
@@ -47,4 +48,12 @@ object EntityFactory {
         behaviors(InputReceiver)
         facets(Movable, CameraMover)
     }
+
+    fun newCreature() = newGameEntityOfType(Creature) {
+        attributes(BlockOccupier,
+            EntityPosition(),
+            EntityTile(GameTileRepository.CREATURE))
+        facets()
+        behaviors()
+    }
 }

src/main/kotlin/group/ouroboros/potrogue/builders/GameColors.kt

@@ -12,4 +12,7 @@ object GameColors {
 
     // Player Color?
     val accentColor = TileColor.fromString("#94e2d5")
+
+    //The Creature Color
+    val creatureColor = TileColor.fromString("#f9e2af")
 }

src/main/kotlin/group/ouroboros/potrogue/builders/GameTileRepository.kt

@@ -37,4 +37,10 @@ object GameTileRepository {
         .withForegroundColor(accentColor)
         .buildCharacterTile()
 
+    //The Creature Tile
+    val CREATURE = Tile.newBuilder()
+        .withCharacter('☻')
+        .withBackgroundColor(GameColors.floorBackgroundColor)
+        .withForegroundColor(GameColors.creatureColor)
+        .buildCharacterTile()
 }

src/main/kotlin/group/ouroboros/potrogue/data/config/Config.kt

@@ -34,6 +34,7 @@ class Config {
                 prop.setProperty("sidebarWidth", "18")
                 prop.setProperty("logAreaHeight", "12")
                 prop.setProperty("helpTipHeight", "3")
+                prop.setProperty("creaturesPerLevel", "15")
             }
                 val out: OutputStream = FileOutputStream(file)
                 prop.store(out, "PotRogue Configuration File, restart game if changed value. HERE BE DRAGONS.")
@@ -52,4 +53,5 @@ class Config {
     val logAreaHeight: Int = (prop.getProperty("logAreaHeight")).toInt()
 
     val helpTipHeight: Int = (prop.getProperty("helpTipHeight")).toInt()
+    val creaturesPerLevel: Int = (prop.getProperty("creaturesPerLevel", "15")).toInt()
 }

src/main/kotlin/group/ouroboros/potrogue/entity/attributes/types/EntityTypes.kt

@@ -9,3 +9,7 @@ object Player : BaseEntityType(
 object Wall : BaseEntityType(
     name = "wall"
 )
+
+object Creature : BaseEntityType(
+    name = "creature"
+)

src/main/kotlin/group/ouroboros/potrogue/world/GameBuilder.kt

@@ -6,7 +6,9 @@ import group.ouroboros.potrogue.data.config.Config
 import group.ouroboros.potrogue.data.config.GameConfig.WORLD_SIZE
 import group.ouroboros.potrogue.entity.attributes.types.Player
 import group.ouroboros.potrogue.extensions.GameEntity
+import org.hexworks.amethyst.api.entity.EntityType
 import org.hexworks.zircon.api.data.Position3D
+import org.hexworks.zircon.api.data.Size
 import org.hexworks.zircon.api.data.Size3D
 
 // Take the size of the World as a parameter
@@ -28,6 +30,7 @@ class GameBuilder(val worldSize: Size3D) {
         prepareWorld()
 
         val player = addPlayer()
+        addCreature()
 
         return Game.create(
             player = player,
@@ -40,17 +43,35 @@ class GameBuilder(val worldSize: Size3D) {
         world.scrollUpBy(world.actualSize.zLength)
     }
 
+
+    // Add this extension method to any GameEntity and we use the T generic type parameter to preserve the type in the return value to out function
+    private fun <T : EntityType> GameEntity<T>.addToWorld(
+        // atLevel will be used to supply the level at which we want to add the Entity
+        atLevel: Int,
+        // atArea specifies the size of the area at which we want to add the Entity this defaults to the actual size of the world (the whole level).
+        // this function returns the GameEntity which we called this function on which allows us to perform Method Chaining
+        atArea: Size = world.actualSize.to2DSize()): GameEntity<T> {
+        world.addAtEmptyPosition(this,
+            // We call addAtEmptyPosition with the supplied level
+            offset = Position3D.defaultPosition().withZ(atLevel),
+            // and we set the size using the supplied Size
+            size = Size3D.from2DSize(atArea))
+        return this
+    }
+
+    // Create Player using addToWorld Function
     private fun addPlayer(): GameEntity<Player> {
-        // We create the player entity here since we’re going to pass it as a parameter to other objects
-        val player = EntityFactory.newPlayer()
-        world.addAtEmptyPosition(
-            // We immediately add the player to the World which takes an offset and a size as a parameter
-            player,
-            // offset determines the position where the search for empty positions will start. Here we specify that the top level will be searched starting at (0, 0)
-            offset = Position3D.create(0, 0, Config().dungeonLevels - 1),
-            size = world.visibleSize.copy(zLength = 0)
-        ) // And we also determine that we should search only the throughout the viewport. This ensures that the player will be visible on the screen when we start the game
-        return player
+        return EntityFactory.newPlayer().addToWorld(
+            atLevel = Config().dungeonLevels - 1,
+            atArea = world.visibleSize.to2DSize())
+    }
+
+    private fun addCreature() = also {
+        repeat(world.actualSize.zLength) { level ->
+            repeat(Config().creaturesPerLevel) {
+                EntityFactory.newCreature().addToWorld(level)
+            }
+        }
     }
 
     companion object {