- wicked sick size optimisation of map-tiles update packet

- fix ts-generator recursive value class unwrapping
- move kafka state dir
- try fixing kafka streams for tile generation (simplifying it, and fixing some nullability problems)

modules/events-mod/src/main/typescript/generated/kafkatorio-schema/prototype.d.ts

@@ -15,7 +15,7 @@ interface FactorioPrototypes extends KafkatorioPacket {
 interface MapTilePrototype extends FactorioPrototype {
   canBeMined: boolean;
   collisionMasks: string[];
-  layer: int;
+  layer: uint;
   mapColour: Colour;
   name: string;
   order: string;

modules/events-mod/src/main/typescript/generated/kafkatorio-schema/schema.d.ts

@@ -59,3 +59,8 @@ interface EntityIdentifiers {
   type: string;
   unitNumber: uint | null;
 }
+
+interface MapTileDictionary {
+  protos: { [key: string]: string };
+  tilesXY: { [key: string]: { [key: string]: string } };
+}

modules/events-mod/src/main/typescript/generated/kafkatorio-schema/update.d.ts

@@ -7,7 +7,7 @@ interface FactorioEventUpdateKey {
 }
 
 interface FactorioEventUpdate extends FactorioEventUpdateKey {
-  eventCounts: { [key: string]: int } | null;
+  eventCounts: { [key: string]: uint } | null;
   updateType: FactorioEventUpdateType;
 }
 
@@ -30,7 +30,7 @@ interface PlayerUpdate extends FactorioEventUpdate, PlayerUpdateKey {
   colour: Colour | null;
   diedCause: EntityIdentifiers | null;
   disconnectReason: string | null;
-  eventCounts: { [key: string]: int } | null;
+  eventCounts: { [key: string]: uint } | null;
   forceIndex: uint | null;
   index: uint;
   isAdmin: boolean | null;
@@ -57,12 +57,12 @@ interface EntityUpdateKey extends EntityIdentifiers, FactorioEventUpdateKey {
 
 interface EntityUpdate extends FactorioEventUpdate, EntityIdentifiers, EntityUpdateKey {
   chunkPosition: MapChunkPosition | null;
-  eventCounts: { [key: string]: int } | null;
+  eventCounts: { [key: string]: uint } | null;
-  graphicsVariation: number | null;
+  graphicsVariation: uint8 | null;
   health: float | null;
   isActive: boolean | null;
   isRotatable: boolean | null;
-  lastUser: int | null;
+  lastUser: uint | null;
   localisedDescription: string | null;
   localisedName: string | null;
   name: string;
@@ -79,12 +79,12 @@ interface MapChunkUpdateKey extends FactorioEventUpdateKey {
 
 interface MapChunkUpdate extends FactorioEventUpdate, MapChunkUpdateKey {
   chunkPosition: MapChunkPosition;
-  eventCounts: { [key: string]: int } | null;
+  eventCounts: { [key: string]: uint } | null;
   force: uint | null;
   isDeleted: boolean | null;
   player: uint | null;
   robot: EntityIdentifiers | null;
   surfaceIndex: uint;
-  tiles: MapTile[] | null;
+  tileDictionary: MapTileDictionary | null;
   updateType: FactorioEventUpdateType;
 }

modules/events-mod/src/main/typescript/main/cache/EventDataCache.ts

@@ -20,7 +20,7 @@ export namespace EventDataCache {
 
       log("Initialising global.DEFAULT_CACHE_DURATION_TICKS")
       global.defaultCacheDurationTicks = {
-        "PLAYER": 60, //              1 second
+        "PLAYER": 15, //           0.25 seconds
         "MAP_CHUNK": 60 * 30,  //    30 seconds
         "ENTITY": 60 * 2, //          2 seconds
         "default": 60 * 5, //         5 seconds

modules/events-mod/src/main/typescript/main/events/onMapChunkEventListeners.ts

@@ -8,6 +8,17 @@ import CacheData = EventDataCache.CacheData;
 type MapChunkUpdater = (data: CacheData<"MAP_CHUNK">) => void
 
 
+const mapProtoNameToKey: { [key: string]: string } = {}
+let protoIndex: uint = 0
+
+function getProtoKey(protoName: string): string {
+  if (mapProtoNameToKey[protoName] == undefined) {
+    mapProtoNameToKey[protoName] = `${protoIndex++}`
+  }
+  return mapProtoNameToKey[protoName]
+}
+
+
 function mapTilesUpdateDebounce(
     surface: LuaSurface | undefined,
     chunkPosition: ChunkPositionTable,
@@ -27,24 +38,26 @@ function mapTilesUpdateDebounce(
         updateType: "MAP_CHUNK",
       },
       data => {
-        if (data.tiles == undefined) {
+        data.tileDictionary ??= <MapTileDictionary>{
-          data.tiles = []
+          tilesXY: {},
+          protos: {},
         }
 
-        for (const tile of tiles) {
+        for (let tile of tiles) {
-          data.tiles.push(
+
-              {
+          const xString = `${tile.position.x}`
-                x: tile.position.x,
+          const yString = `${tile.position.y}`
-                y: tile.position.y,
+          const protoKey = getProtoKey(tile.name)
-                proto: tile.name,
+
-              }
+          data.tileDictionary.protos[protoKey] = tile.name
-          )
+
+          data.tileDictionary.tilesXY[xString] ??= {}
+          data.tileDictionary.tilesXY[xString][yString] = protoKey
         }
 
-        if (data.eventCounts == undefined) {
+        data.eventCounts ??= {}
-          data.eventCounts = {}
+        data.eventCounts[eventName] ??= 0
-        }
+        data.eventCounts[eventName]++
-        data.eventCounts[eventName] = ((data.eventCounts ?? {}) [eventName] ?? 0) + 1
 
         if (updater != undefined) {
           updater(data)

modules/events-schema/src/commonMain/kotlin/dev/adamko/kafkatorio/events/schema/factorioCommonData.kt

@@ -1,7 +1,6 @@
 package dev.adamko.kafkatorio.events.schema
 
 import kotlin.jvm.JvmInline
-import kotlinx.serialization.EncodeDefault
 import kotlinx.serialization.Serializable
 
 
@@ -101,3 +100,41 @@ interface EntityIdentifiers {
   val name: String
   val type: String
 }
+
+
+/**
+ * Size-optimised 2D map of x/y tile positions and prototype-name.
+ *
+ * Each X/Y coordinate maps to an arbitrary [PrototypeKey] (which is only valid for any specific
+ * instance). [protos] is specific to each instance of [MapTileDictionary], can be used to convert from a
+ */
+@Serializable
+data class MapTileDictionary(
+  /** Map an X,Y coordinate a prototype name */
+  val tilesXY: Map<String, Map<String, PrototypeKey>>,
+  val protos: Map<PrototypeKey, PrototypeName>
+) {
+  fun toMapTileList(): List<MapTile> = buildList {
+    tilesXY.forEach { (xString, row) ->
+      row.forEach { (yString, protoIndex) ->
+        val x = xString.toIntOrNull()
+        val y = yString.toIntOrNull()
+        val protoName = protos[protoIndex]
+        if (x != null && y != null && protoName != null) {
+          add(MapTile(x, y, protoName))
+        }
+      }
+    }
+  }
+
+  companion object {
+    fun MapTileDictionary?.isNullOrEmpty(): Boolean {
+      return this == null || (tilesXY.isEmpty() && tilesXY.all { it.value.isEmpty() })
+    }
+  }
+}
+
+
+@Serializable
+@JvmInline
+value class PrototypeKey(val index: String)

modules/events-schema/src/commonMain/kotlin/dev/adamko/kafkatorio/events/schema/factorioEventUpdates.kt

@@ -147,7 +147,7 @@ data class EntityUpdate(
   override val eventCounts: Map<String, UInt>? = null,
 
   val chunkPosition: MapChunkPosition? = null,
-  val graphicsVariation: UShort? = null,
+  val graphicsVariation: UByte? = null,
   val health: Float? = null,
   val isActive: Boolean? = null,
   val isRotatable: Boolean? = null,
@@ -180,11 +180,8 @@ data class MapChunkUpdate(
   val player: PlayerIndex? = null,
   val robot: EntityIdentifiers? = null,
   val force: ForceIndex? = null,
-  /** updated tiles - might be partial */
+  /** updated tiles - might be partial and not all tiles in the chunk */
-  // note: this must be a List, not a Map<Location, ProtoName>
+  val tileDictionary: MapTileDictionary? = null,
-  // because JSON can't have non-string keys.
-  @Contextual
-  val tiles: List<MapTile>? = null,
   val isDeleted: Boolean? = null,
 ) : FactorioEventUpdate(), MapChunkUpdateKey {
   @EncodeDefault

modules/events-schema/src/jvmMain/kotlin/dev/adamko/kafkatorio/events/schema/ValueClassTransformer.kt

@@ -1,11 +1,15 @@
 package dev.adamko.kafkatorio.events.schema
 
+import kotlin.contracts.ExperimentalContracts
+import kotlin.contracts.contract
 import kotlin.reflect.KClass
+import kotlin.reflect.KClassifier
 import kotlin.reflect.KProperty
 import kotlin.reflect.KType
 import kotlin.reflect.KTypeProjection
 import kotlin.reflect.full.createType
 import kotlin.reflect.full.declaredMemberProperties
+import kotlin.reflect.full.starProjectedType
 import kotlin.reflect.full.withNullability
 import me.ntrrgc.tsGenerator.ClassTransformer
 
@@ -14,54 +18,77 @@ import me.ntrrgc.tsGenerator.ClassTransformer
  */
 object ValueClassTransformer : ClassTransformer {
 
+  private val mappedValueClasses: MutableMap<KType, KType> = mutableMapOf(
+    // don't unwrap unsigned numbers - they're mapped to Factorio types
+    UInt::class.starProjectedType to UInt::class.starProjectedType,
+    UByte::class.starProjectedType to UByte::class.starProjectedType,
+    UShort::class.starProjectedType to UShort::class.starProjectedType,
+    ULong::class.starProjectedType to ULong::class.starProjectedType,
+  )
+
   override fun transformPropertyType(type: KType, property: KProperty<*>, klass: KClass<*>): KType {
-
+    val unwrappedType =
-    val classifier = type.classifier ?: return super.transformPropertyType(type, property, klass)
+      unwrapValueClassType(type, property, klass)
-
+        ?: unwrapArgs(type, property, klass)
-    val valueClassType = unwrapValueClassType(type)
+    return when (unwrappedType) {
-
+      null -> super.transformPropertyType(type, property, klass)
-    if (valueClassType != null) {
+      else -> super.transformPropertyType(unwrappedType, property, klass)
-      println("$klass has a value class $type -> $valueClassType")
-      return valueClassType
     }
+  }
 
-    val hasValueClassTypeParameters = type.arguments
+  private fun unwrapArgs(type: KType, property: KProperty<*>, klass: KClass<*>): KType? {
-      .mapNotNull { it.type?.classifier }
-      .filterIsInstance<KClass<*>>()
-      .any { it.isValue }
 
-    if (hasValueClassTypeParameters) {
+    val classifier: KClassifier = type.classifier ?: return type
 
-      val args = type.arguments.map { arg ->
+    return if (type.arguments.isNotEmpty()) {
-        when (val vct = unwrapValueClassType(arg.type)) {
+      println("unwrapping args for $type - ${type.arguments}")
-          null -> arg
+
-          else -> KTypeProjection(arg.variance, vct.withNullability(arg.type!!.isMarkedNullable))
+      val args = type.arguments.map { arg: KTypeProjection ->
-        }
+        // recursively map each argument
+        val argType = arg.type!!
+        val converted = transformPropertyType(argType, property, klass)
+        KTypeProjection(arg.variance, converted.withNullability(argType.isMarkedNullable))
       }
 
-      println("$klass has a prop with value class type parameters ${type.arguments} -> $args")
+      classifier.createType(
-
-      return classifier.createType(
         arguments = args,
         nullable = type.isMarkedNullable,
         annotations = type.annotations,
       )
-    }
+    } else {
-
+      null
-    return super.transformPropertyType(type, property, klass)
-  }
-
-  private fun unwrapValueClassType(type: KType?): KType? {
-    val klass = type?.classifier as? KClass<*> ?: return null
-
-    return when {
-      klass.isValue -> klass
-        .declaredMemberProperties
-        .first()
-        .returnType
-        .withNullability(type.isMarkedNullable)
-
-      else          -> null
     }
   }
+
+  private fun unwrapValueClassType(type: KType, property: KProperty<*>, klass: KClass<*>): KType? {
+
+    val valueKlass: KClass<*> = type.classifier as? KClass<*> ?: return null
+
+    return if (isValueClass(type)) {
+      val mappedType = mappedValueClasses.getOrPut(type.withNullability(false)) {
+
+        val result = valueKlass
+          .declaredMemberProperties
+          .first()
+          .returnType
+          .withNullability(type.isMarkedNullable)
+
+        println("unwrapping value class $type -> $result")
+
+        // recursively unwrap...
+        val transformed = transformPropertyType(result, property, klass)
+        transformed.withNullability(false)
+      }
+      mappedType.withNullability(type.isMarkedNullable)
+    } else {
+      null
+    }
+  }
+
+  @OptIn(ExperimentalContracts::class)
+  private fun isValueClass(type: KType?): Boolean {
+    contract { returnsNotNull() implies (type != null) }
+    return (type?.classifier as? KClass<*>)?.isValue == true
+  }
+
 }

modules/events-schema/src/jvmMain/kotlin/dev/adamko/kafkatorio/events/schema/kt2ts.kt

@@ -21,12 +21,9 @@ fun main(args: Array<String>) {
         add(FactorioPrototypes::class)
         add(FactorioConfigurationUpdate::class)
 
-
         add(FactorioEventUpdatePacket::class)
         addAll(FactorioEventUpdate::class.sealedSubclasses)
         addAll(FactorioEventUpdateKey::class.sealedSubclasses)
-//        addAll(FactorioEventUpdateData::class.sealedSubclasses)
-
       },
       mappings = mapOf(
         // builtin Factorio numeric types > `typed-factorio/generated/builtin-types.d.ts`
@@ -74,7 +71,6 @@ private fun splitDefinitions(definitions: String): Map<String, String> {
     .split("\n\n")
     .groupBy { def ->
 
-
       when {
 
         "interface FactorioObjectData " in def ||

modules/events-server/.gitignore

@@ -0,0 +1 @@
+kafka-state/

modules/events-server/build.gradle.kts

@@ -66,7 +66,7 @@ tasks.withType<KotlinCompile> {
 val kafkaStateDirDelete by tasks.registering(Delete::class) {
   group = project.name
   mustRunAfter(kafkaConsumersDelete)
-  delete(layout.buildDirectory.dir("kafka-state"))
+  delete(layout.projectDirectory.dir("kafka-state"))
 }
 
 val kafkaConsumersDelete by tasks.registering(KafkaConsumerGroupsTask.DeleteAll::class) {

modules/events-server/src/main/kotlin/dev/adamko/kafkatorio/processor/KafkatorioTopology.kt

@@ -2,6 +2,8 @@ package dev.adamko.kafkatorio.processor
 
 import dev.adamko.kafkatorio.events.schema.ColourHex
 import dev.adamko.kafkatorio.events.schema.FactorioEvent
+import dev.adamko.kafkatorio.events.schema.FactorioEventUpdate
+import dev.adamko.kafkatorio.events.schema.FactorioEventUpdatePacket
 import dev.adamko.kafkatorio.events.schema.FactorioObjectData
 import dev.adamko.kafkatorio.events.schema.FactorioPrototypes
 import dev.adamko.kafkatorio.events.schema.KafkatorioPacket
@@ -33,6 +35,7 @@ import org.apache.kafka.streams.KafkaStreams
 import org.apache.kafka.streams.StreamsBuilder
 import org.apache.kafka.streams.StreamsConfig
 import org.apache.kafka.streams.Topology
+import org.apache.kafka.streams.TopologyDescription
 import org.apache.kafka.streams.kstream.KStream
 import org.apache.kafka.streams.kstream.KTable
 
@@ -69,20 +72,29 @@ internal class KafkatorioTopology(
     val tileProtoColourDict = tileProtoColourDictionary(protosStream)
 
 
-    val mapTilesStream: KStream<FactorioServerId, FactorioEvent> =
+//    val mapTilesStream: KStream<FactorioServerId, FactorioEvent> =
+//      builder.stream(
+//        "kafkatorio.${KafkatorioPacket.PacketType.EVENT}.${FactorioObjectData.ObjectName.LuaTiles}",
+//        consumedAs("consume.map-tiles", jsonMapper.serde(), jsonMapper.serde())
+//      )
+//
+//    val mapChunksStream: KStream<FactorioServerId, FactorioEvent> =
+//      builder.stream(
+//        "kafkatorio.${KafkatorioPacket.PacketType.EVENT}.${FactorioObjectData.ObjectName.MapChunk}",
+//        consumedAs("consume.map-chunks", jsonMapper.serde(), jsonMapper.serde())
+//      )
+
+    val mapChunksUpdatesStream: KStream<FactorioServerId, FactorioEventUpdatePacket> =
       builder.stream(
-        "kafkatorio.${KafkatorioPacket.PacketType.EVENT}.${FactorioObjectData.ObjectName.LuaTiles}",
+        "kafkatorio.${KafkatorioPacket.PacketType.UPDATE}.${FactorioEventUpdate.FactorioEventUpdateType.MAP_CHUNK}",
-        consumedAs("consume.map-tiles", jsonMapper.serde(), jsonMapper.serde())
+        consumedAs("consume.map-chunk-updates", jsonMapper.serde(), jsonMapper.serde())
-      )
-    val mapChunksStream: KStream<FactorioServerId, FactorioEvent> =
-      builder.stream(
-        "kafkatorio.${KafkatorioPacket.PacketType.EVENT}.${FactorioObjectData.ObjectName.MapChunk}",
-        consumedAs("consume.map-chunks", jsonMapper.serde(), jsonMapper.serde())
       )
+
     val groupedMapChunkTiles: KTable<ServerMapChunkId, ServerMapChunkTiles<ColourHex>> =
       groupTilesIntoChunksWithColours(
-        mapTilesStream,
+//        mapTilesStream,
-        mapChunksStream,
+//        mapChunksStream,
+        mapChunksUpdatesStream,
         tileProtoColourDict,
       )
 
@@ -90,7 +102,11 @@ internal class KafkatorioTopology(
       .toStream("stream-grouped-map-tiles")
       .to(
         TOPIC_GROUPED_MAP_CHUNKS,
-        producedAs("produce.grouped-map-chunks", kxsBinary.serde(), kxsBinary.serde())
+        producedAs(
+          "produce.grouped-map-chunks",
+          kxsBinary.serde<ServerMapChunkId?>(),
+          kxsBinary.serde<ServerMapChunkTiles<ColourHex>?>()
+        )
       )
 
 
@@ -140,10 +156,19 @@ internal class KafkatorioTopology(
     val appId = props.compute(StreamsConfig.APPLICATION_ID_CONFIG) { _, v -> "$v.$id" } as? String
     props.setProperty(StreamsConfig.APPLICATION_ID_CONFIG, appId)
 
-
     val streams = KafkaStreams(topology, props)
     streams.setUncaughtExceptionHandler(StreamsExceptionHandler())
 
+    val description: TopologyDescription = topology.describe()
+    println(
+      """
+        |----------------
+        |$appId
+        |$description
+        |----------------
+      """.trimMargin()
+    )
+
     coroutineContext.job.invokeOnCompletion {
       println("closing $id KafkaStreams")
       streams.close(Duration.ofSeconds(1))

modules/events-server/src/main/kotlin/dev/adamko/kafkatorio/processor/topology/groupMapChunks.kt

@@ -1,10 +1,11 @@
 package dev.adamko.kafkatorio.processor.topology
 
 import dev.adamko.kafkatorio.events.schema.ColourHex
-import dev.adamko.kafkatorio.events.schema.FactorioEvent
+import dev.adamko.kafkatorio.events.schema.FactorioEventUpdatePacket
-import dev.adamko.kafkatorio.events.schema.MapChunk
 import dev.adamko.kafkatorio.events.schema.MapChunkPosition
+import dev.adamko.kafkatorio.events.schema.MapChunkUpdate
 import dev.adamko.kafkatorio.events.schema.MapTile
+import dev.adamko.kafkatorio.events.schema.MapTileDictionary.Companion.isNullOrEmpty
 import dev.adamko.kafkatorio.events.schema.MapTilePosition
 import dev.adamko.kafkatorio.events.schema.MapTiles
 import dev.adamko.kafkatorio.events.schema.SurfaceIndex
@@ -13,10 +14,8 @@ import dev.adamko.kafkatorio.processor.serdes.kxsBinary
 import dev.adamko.kotka.extensions.groupedAs
 import dev.adamko.kotka.extensions.materializedAs
 import dev.adamko.kotka.extensions.materializedWith
-import dev.adamko.kotka.extensions.streams.filter
 import dev.adamko.kotka.extensions.streams.flatMap
 import dev.adamko.kotka.extensions.streams.mapValues
-import dev.adamko.kotka.extensions.streams.merge
 import dev.adamko.kotka.extensions.streams.reduce
 import dev.adamko.kotka.extensions.tables.join
 import dev.adamko.kotka.kxs.serde
@@ -44,39 +43,70 @@ data class ServerMapChunkTiles<Data>(
 
 
 fun groupTilesIntoChunksWithColours(
-  mapTilePacketsStream: KStream<FactorioServerId, FactorioEvent>,
+//  mapTilePacketsStream: KStream<FactorioServerId, FactorioEvent>,
-  mapChunksPacketsStream: KStream<FactorioServerId, FactorioEvent>,
+//  mapChunksPacketsStream: KStream<FactorioServerId, FactorioEvent>,
+  mapChunkUpdatePacketsStream: KStream<FactorioServerId, FactorioEventUpdatePacket>,
   tileProtoColourDict: KTable<FactorioServerId, TileColourDict>,
 ): KTable<ServerMapChunkId, ServerMapChunkTiles<ColourHex>> {
 
 
-  val mapChunkTilesStream: KStream<FactorioServerId, MapTiles> =
+//  val mapChunkTilesStream: KStream<FactorioServerId, MapTiles> =
-    mapChunksPacketsStream
+//    mapChunksPacketsStream
-      .filter { _, packet: FactorioEvent? ->
+//      .filter { _, packet: FactorioEvent? ->
-        packet != null
+//        when (val data = packet?.data) {
-            && packet.data is MapChunk
+//          is MapChunk -> data.tiles.tiles.isNotEmpty()
-            && !((packet.data as? MapChunk)?.tiles?.tiles.isNullOrEmpty())
+//          else        -> false
+//        }
+//      }
+//      .mapValues("map-chunk-packets.convert-to-map-tiles") { _, packet: FactorioEvent ->
+//        (packet.data as MapChunk).tiles
+//      }
+//
+//
+//  val mapTilesStream: KStream<FactorioServerId, MapTiles> =
+//    mapTilePacketsStream
+//      .filter { _, packet: FactorioEvent? ->
+//        when (val data = packet?.data) {
+//          is MapTiles -> data.tiles.isNotEmpty()
+//          else        -> false
+//        }
+//      }
+//      .mapValues("map-tiles-packets.convert-to-map-tiles") { _, packet: FactorioEvent ->
+//        packet.data as MapTiles
+//      }
+
+  val mapChunkUpdatesStream: KStream<FactorioServerId, MapTiles> =
+    mapChunkUpdatePacketsStream
+      .filter { _, packet: FactorioEventUpdatePacket? ->
+        when (val data = packet?.update) {
+          is MapChunkUpdate -> !data.tileDictionary.isNullOrEmpty()
+          else              -> false
+        }
       }
-      .mapValues("map-chunk-packets.convert-to-map-tiles") { _, packet: FactorioEvent ->
+      .mapValues("map-chunk-update-packets.convert-to-map-tiles") { _, packet: FactorioEventUpdatePacket ->
-        (packet.data as MapChunk).tiles
+
+        val mapChunkUpdate: MapChunkUpdate = requireNotNull(packet.update as? MapChunkUpdate) {
+          "invalid UpdatePacket type $packet"
+        }
+
+        val tiles: List<MapTile> = requireNotNull(mapChunkUpdate.tileDictionary?.toMapTileList()) {
+          "invalid MapChunkUpdate packet, tiles must not be null"
+        }
+        require(tiles.isNotEmpty()) {
+          "invalid MapChunkUpdate packet, tiles must not be empty"
+        }
+
+        MapTiles(mapChunkUpdate.surfaceIndex, tiles)
       }
 
-  val mapTilesStream: KStream<FactorioServerId, MapTiles> =
-    mapTilePacketsStream
-      .filter { _, packet: FactorioEvent? ->
-        packet != null
-            && packet.data is MapTiles
-            && !((packet.data as? MapTiles)?.tiles.isNullOrEmpty())
-      }
-      .mapValues("map-tiles-packets.convert-to-map-tiles") { _, packet: FactorioEvent ->
-        packet.data as MapTiles
-      }
 
   // group tiles by server & surface & chunk
   val chunkedTilesTable: KTable<ServerMapChunkId, ServerMapChunkTiles<TileProtoHashCode>> =
-    mapTilesStream
+    mapChunkUpdatesStream
-      .merge("merge-map-chunk-tiles-with-map-tiles", mapChunkTilesStream)
+//    mapTilesStream
-      .filter { _, value -> value != null && value.tiles.isNotEmpty() }
+//      .merge("merge-mapTilesStream-with-mapChunkTilesStream", mapChunkTilesStream)
+//      .merge("merge-mapTilesStream-with-mapChunkUpdatesStream", mapChunkUpdatesStream)
+//      .filter { _, value -> !value?.tiles.isNullOrEmpty() }
       .flatMap("server-map-data.tiles.flatMapByChunk") { key: FactorioServerId, mapTiles: MapTiles ->
 
         val standardChunkSize = ChunkSize.MAX
@@ -102,11 +132,15 @@ fun groupTilesIntoChunksWithColours(
             chunkId to chunkTiles
           }
       }
-      .filter("server-map-data.tiles.filter-not-empty") { _, value ->
+//      .filter("server-map-data.tiles.filter-not-empty") { _, value ->
-        value.map.isNotEmpty()
+//        value.map.isNotEmpty()
-      }
+//      }
       .groupByKey(
-        groupedAs("server-map-data.tiles.group", kxsBinary.serde(), kxsBinary.serde())
+        groupedAs(
+          "server-map-data.tiles.group",
+          kxsBinary.serde<ServerMapChunkId>(),
+          kxsBinary.serde<ServerMapChunkTiles<TileProtoHashCode>>()
+        )
       )
       .reduce(
         "server-map-data.tiles.reduce",

modules/events-server/src/main/kotlin/dev/adamko/kafkatorio/processor/topology/playerUpdates.kt

@@ -1,6 +1,6 @@
 package dev.adamko.kafkatorio.processor.topology
 
-import dev.adamko.kafkatorio.events.schema.FactorioObjectData
+import dev.adamko.kafkatorio.events.schema.FactorioEventUpdate
 import dev.adamko.kafkatorio.events.schema.KafkatorioPacket
 import dev.adamko.kafkatorio.processor.WebsocketServer
 import dev.adamko.kafkatorio.processor.serdes.jsonMapper
@@ -15,8 +15,8 @@ fun playerUpdatesToWsServer(
   builder: StreamsBuilder = StreamsBuilder(),
 ) {
   builder.stream<FactorioServerId, KafkatorioPacket>(
-    "kafkatorio.${KafkatorioPacket.PacketType.EVENT}.${FactorioObjectData.ObjectName.LuaPlayer}",
+    "kafkatorio.${KafkatorioPacket.PacketType.UPDATE}.${FactorioEventUpdate.FactorioEventUpdateType.PLAYER}",
-    consumedAs("stream-player-updates-for-ws-server", jsonMapper.serde(), jsonMapper.serde())
+    consumedAs("EventUpdate.Player-updates-for-ws-server", jsonMapper.serde(), jsonMapper.serde()),
   )
     .foreach { _, value ->
 //      println("sending ${value.packetType} packet to websocket")