emit entity prototypes

- mod: refactor event handlers to separate files
- lib: update models for prototypes

modules/events-library/src/commonMain/kotlin/dev/adamko/kafkatorio/schema/common/factorioPrototypes.kt

@@ -8,15 +8,16 @@ import kotlinx.serialization.Serializable
 @Serializable
 @SerialName("kafkatorio.prototype.FactorioPrototype")
 sealed interface FactorioPrototype {
+
   val protoId: PrototypeId
-  val mapColour: Colour
 
 
   @SerialName("kafkatorio.prototype.MapTile")
   @Serializable
   data class MapTile(
     override val protoId: PrototypeId,
-    override val mapColour: Colour,
+
+    val mapColour: Colour,
 
     val layer: UInt,
     @Contextual
@@ -27,27 +28,47 @@ sealed interface FactorioPrototype {
   ) : FactorioPrototype
 
 
+  /**
+   * @param[colour] The colour of the prototype, or `null` if the prototype doesn't have colour.
+   * @param[mapColour] The map colour used when charting this entity if a
+   * [friendly][mapColourFriend] or [enemy][mapColourEnemy] colour isn't defined or `null`.
+   * @param[mapColourFriend] The friendly map colour used when charting this entity.
+   * @param[mapColourEnemy] The enemy map colour used when charting this entity.
+   */
   @SerialName("kafkatorio.prototype.Entity")
   @Serializable
   data class Entity(
     override val protoId: PrototypeId,
-    override val mapColour: Colour,
 
-    val protoType: String,
-    val objectName: String,
-    val colour: Colour,
+    val group: ItemGroup,
+    val subgroup: ItemGroup,
+
+    val colour: Colour? = null,
+    val mapColour: Colour? = null,
+    val mapColourFriend: Colour? = null,
+    val mapColourEnemy: Colour? = null,
+
     val maxHealth: Float,
     val isBuilding: Boolean,
     val isEntityWithOwner: Boolean,
     val isMilitaryTarget: Boolean,
-    val miningProperties: MiningProperties
+    val miningProperties: MiningProperties? = null,
   ) : FactorioPrototype {
 
     @Serializable
+    @SerialName("kafkatorio.prototype.EntityMiningProperties")
     data class MiningProperties(
       val canBeMined: Boolean,
       val products: List<MinedProduct>?,
     )
 
+    @Serializable
+    @SerialName("kafkatorio.prototype.EntityItemGroup")
+    data class ItemGroup(
+      val name: String,
+      val type: String,
+      val parentName: String? = null,
+    )
+
   }
 }