Initial Commit of Gjallarhorn: A Heimdall Analytics Tool

build.gradle.kts

@@ -39,6 +39,9 @@ tasks.create("updateManifests") {
     writer.use {
       val rootPath = rootProject.rootDir.toPath()
       val updateManifest = subprojects.mapNotNull { project ->
+        if (project.name == "foundation-gjallarhorn") {
+          return@mapNotNull null
+        }
         val files = project.tasks.getByName("shadowJar").outputs
         val paths = files.files.map { rootPath.relativize(it.toPath()).toString() }
 
@@ -119,8 +122,10 @@ subprojects {
     }
   }
 
-  tasks.withType<ShadowJar> {
+  if (project.name != "foundation-gjallarhorn") {
-    archiveClassifier.set("plugin")
+    tasks.withType<ShadowJar> {
+      archiveClassifier.set("plugin")
+    }
   }
 
   tasks.assemble {

foundation-gjallarhorn/build.gradle.kts

@@ -0,0 +1,10 @@
+dependencies {
+  implementation(project(":foundation-core"))
+  implementation(project(":foundation-heimdall"))
+  implementation("org.slf4j:slf4j-simple:1.7.32")
+  implementation("com.github.ajalt.clikt:clikt:3.3.0")
+}
+
+listOf(tasks.jar, tasks.shadowJar).map { it.get() }.forEach { task ->
+  task.manifest.attributes["Main-Class"] = "cloud.kubelet.foundation.gjallarhorn.MainKt"
+}

foundation-gjallarhorn/src/main/kotlin/cloud/kubelet/foundation/gjallarhorn/BlockStateTracker.kt

@@ -0,0 +1,34 @@
+package cloud.kubelet.foundation.gjallarhorn
+
+import java.util.*
+import kotlin.collections.HashMap
+
+class BlockStateTracker {
+  val blocks = HashMap<BlockPosition, BlockState>()
+
+  fun place(position: BlockPosition, state: BlockState) {
+    blocks[position] = state
+  }
+
+  fun delete(position: BlockPosition) {
+    blocks.remove(position)
+  }
+
+  data class BlockState(val type: String)
+
+  data class BlockPosition(
+    val x: Long,
+    val y: Long,
+    val z: Long
+  ) {
+    override fun equals(other: Any?): Boolean {
+      if (other !is BlockPosition) {
+        return false
+      }
+
+      return other.x == x && other.y == y && other.z == z
+    }
+
+    override fun hashCode(): Int = Objects.hash(x, y, z)
+  }
+}

foundation-gjallarhorn/src/main/kotlin/cloud/kubelet/foundation/gjallarhorn/GjallarhornCommand.kt

@@ -0,0 +1,22 @@
+package cloud.kubelet.foundation.gjallarhorn
+
+import com.github.ajalt.clikt.core.CliktCommand
+import com.github.ajalt.clikt.parameters.options.default
+import com.github.ajalt.clikt.parameters.options.option
+import org.jetbrains.exposed.sql.Database
+
+class GjallarhornCommand : CliktCommand(invokeWithoutSubcommand = true) {
+  private val jdbcConnectionUrl by option("-c", "--connection-url", help = "JDBC Connection URL")
+    .default("jdbc:postgresql://localhost/foundation")
+
+  private val jdbcConnectionUsername by option("-u", "--connection-username", help = "JDBC Connection Username")
+    .default("jdbc:postgresql://localhost/foundation")
+
+  private val jdbcConnectionPassword by option("-p", "--connection-password", help = "JDBC Connection Passowrd")
+    .default("jdbc:postgresql://localhost/foundation")
+
+  override fun run() {
+    val db = Database.connect(jdbcConnectionUrl, user = jdbcConnectionUsername, password = jdbcConnectionPassword)
+    currentContext.findOrSetObject { db }
+  }
+}

foundation-gjallarhorn/src/main/kotlin/cloud/kubelet/foundation/gjallarhorn/commands/BlockLogReplay.kt

@@ -0,0 +1,49 @@
+package cloud.kubelet.foundation.gjallarhorn.commands
+
+import cloud.kubelet.foundation.gjallarhorn.BlockStateTracker
+import cloud.kubelet.foundation.gjallarhorn.compose
+import cloud.kubelet.foundation.heimdall.view.BlockChangeView
+import com.github.ajalt.clikt.core.CliktCommand
+import com.github.ajalt.clikt.core.requireObject
+import com.github.ajalt.clikt.parameters.options.option
+import org.jetbrains.exposed.sql.Database
+import org.jetbrains.exposed.sql.SqlExpressionBuilder.lessEq
+import org.jetbrains.exposed.sql.and
+import org.jetbrains.exposed.sql.select
+import org.jetbrains.exposed.sql.transactions.transaction
+import java.time.Instant
+
+class BlockLogReplay : CliktCommand("Replay Block Logs", name = "replay-block-log") {
+  private val db by requireObject<Database>()
+  private val timeAsString by option("--time", help = "Replay Time")
+
+  override fun run() {
+    val filter = compose(
+      combine = { a, b -> a and b },
+      { timeAsString != null } to { BlockChangeView.time lessEq Instant.parse(timeAsString) }
+    )
+    val tracker = BlockStateTracker()
+
+    transaction(db) {
+      BlockChangeView.select(filter).orderBy(BlockChangeView.time).forEach { row ->
+        val changeIsBreak = row[BlockChangeView.isBreak]
+        val x = row[BlockChangeView.x]
+        val y = row[BlockChangeView.y]
+        val z = row[BlockChangeView.z]
+        val block = row[BlockChangeView.block]
+
+        val location = BlockStateTracker.BlockPosition(x.toLong(), y.toLong(), z.toLong())
+        if (changeIsBreak) {
+          tracker.delete(location)
+        } else {
+          tracker.place(location, BlockStateTracker.BlockState(block))
+        }
+      }
+    }
+
+    println("x,y,z,block")
+    for ((position, block) in tracker.blocks) {
+      println("${position.x},${position.y},${position.z},${block.type}")
+    }
+  }
+}

foundation-gjallarhorn/src/main/kotlin/cloud/kubelet/foundation/gjallarhorn/commands/PlayerPositionExport.kt

@@ -0,0 +1,49 @@
+package cloud.kubelet.foundation.gjallarhorn.commands
+
+import cloud.kubelet.foundation.gjallarhorn.compose
+import cloud.kubelet.foundation.heimdall.table.PlayerPositionTable
+import com.github.ajalt.clikt.core.CliktCommand
+import com.github.ajalt.clikt.core.requireObject
+import com.github.ajalt.clikt.parameters.options.option
+import org.jetbrains.exposed.sql.Database
+import org.jetbrains.exposed.sql.SqlExpressionBuilder.eq
+import org.jetbrains.exposed.sql.SqlExpressionBuilder.greaterEq
+import org.jetbrains.exposed.sql.SqlExpressionBuilder.lessEq
+import org.jetbrains.exposed.sql.and
+import org.jetbrains.exposed.sql.select
+import org.jetbrains.exposed.sql.transactions.transaction
+import java.time.Instant
+import java.util.*
+
+class PlayerPositionExport : CliktCommand(name = "export-player-positions", help = "Export Player Positions") {
+  private val db by requireObject<Database>()
+
+  private val playerIdString by option("--player", help = "Player ID")
+  private val startTimeString by option("--start-time", help = "Start Time")
+  private val endTimeString by option("--end-time", help = "End Time")
+
+  override fun run() {
+    val filter = compose(
+      combine = { a, b -> a and b },
+      { startTimeString != null } to { PlayerPositionTable.time greaterEq Instant.parse(startTimeString) },
+      { endTimeString != null } to { PlayerPositionTable.time lessEq Instant.parse(endTimeString) },
+      { playerIdString != null } to { PlayerPositionTable.player eq UUID.fromString(playerIdString) }
+    )
+
+    println("time,player,world,x,y,z,pitch,yaw")
+    transaction(db) {
+      PlayerPositionTable.select(filter).orderBy(PlayerPositionTable.time).forEach { row ->
+        val time = row[PlayerPositionTable.time]
+        val player = row[PlayerPositionTable.player]
+        val world = row[PlayerPositionTable.world]
+        val x = row[PlayerPositionTable.x]
+        val y = row[PlayerPositionTable.y]
+        val z = row[PlayerPositionTable.z]
+        val pitch = row[PlayerPositionTable.pitch]
+        val yaw = row[PlayerPositionTable.yaw]
+
+        println("${time},${player},${world},${x},${y},${z},${pitch},${yaw}")
+      }
+    }
+  }
+}

foundation-gjallarhorn/src/main/kotlin/cloud/kubelet/foundation/gjallarhorn/commands/PlayerSessionExport.kt

@@ -0,0 +1,40 @@
+package cloud.kubelet.foundation.gjallarhorn
+
+import cloud.kubelet.foundation.heimdall.table.PlayerSessionTable
+import com.github.ajalt.clikt.core.CliktCommand
+import com.github.ajalt.clikt.core.requireObject
+import com.github.ajalt.clikt.parameters.options.option
+import org.jetbrains.exposed.sql.Database
+import org.jetbrains.exposed.sql.SqlExpressionBuilder.eq
+import org.jetbrains.exposed.sql.and
+import org.jetbrains.exposed.sql.select
+import org.jetbrains.exposed.sql.transactions.transaction
+import java.util.*
+
+class PlayerSessionExport : CliktCommand(name = "export-player-sessions", help = "Export Player Sessions") {
+  private val db by requireObject<Database>()
+
+  private val playerIdString by option("--player-id", help = "Player ID")
+  private val playerNameString by option("--player-name", help = "Player Name")
+
+  override fun run() {
+    val filter = compose(
+      combine = { a, b -> a and b },
+      { playerIdString != null } to { PlayerSessionTable.player eq UUID.fromString(playerIdString) },
+      { playerNameString != null } to { PlayerSessionTable.name eq playerNameString!! }
+    )
+
+    println("id,player,name,start,end")
+    transaction(db) {
+      PlayerSessionTable.select(filter).orderBy(PlayerSessionTable.endTime).forEach { row ->
+        val id = row[PlayerSessionTable.id]
+        val player = row[PlayerSessionTable.player]
+        val name = row[PlayerSessionTable.name]
+        val start = row[PlayerSessionTable.startTime]
+        val end = row[PlayerSessionTable.endTime]
+
+        println("${id},${player},${name},${start},${end}")
+      }
+    }
+  }
+}

foundation-gjallarhorn/src/main/kotlin/cloud/kubelet/foundation/gjallarhorn/compose.kt

@@ -0,0 +1,11 @@
+package cloud.kubelet.foundation.gjallarhorn
+
+import org.jetbrains.exposed.sql.Op
+
+fun compose(
+  combine: (Op<Boolean>, Op<Boolean>) -> Op<Boolean>,
+  vararg filters: Pair<() -> Boolean, () -> Op<Boolean>>
+): Op<Boolean> = filters.toMap().entries
+  .filter { it.key() }
+  .map { it.value() }
+  .fold(Op.TRUE as Op<Boolean>, combine)

foundation-gjallarhorn/src/main/kotlin/cloud/kubelet/foundation/gjallarhorn/main.kt

@@ -0,0 +1,11 @@
+package cloud.kubelet.foundation.gjallarhorn
+
+import cloud.kubelet.foundation.gjallarhorn.commands.BlockLogReplay
+import cloud.kubelet.foundation.gjallarhorn.commands.PlayerPositionExport
+import com.github.ajalt.clikt.core.subcommands
+
+fun main(args: Array<String>) = GjallarhornCommand().subcommands(
+  BlockLogReplay(),
+  PlayerSessionExport(),
+  PlayerPositionExport()
+).main(args)

foundation-heimdall/build.gradle.kts

@@ -1,7 +1,7 @@
 dependencies {
-  implementation("org.postgresql:postgresql:42.3.1")
+  api("org.postgresql:postgresql:42.3.1")
-  implementation("org.jetbrains.exposed:exposed-jdbc:0.36.2")
+  api("org.jetbrains.exposed:exposed-jdbc:0.36.2")
-  implementation("org.jetbrains.exposed:exposed-java-time:0.36.2")
+  api("org.jetbrains.exposed:exposed-java-time:0.36.2")
-  implementation("com.zaxxer:HikariCP:5.0.0")
+  api("com.zaxxer:HikariCP:5.0.0")
   compileOnly(project(":foundation-core"))
 }

foundation-heimdall/src/main/kotlin/cloud/kubelet/foundation/heimdall/view/BlockChangeView.kt

@@ -0,0 +1,17 @@
+package cloud.kubelet.foundation.heimdall.view
+
+import org.jetbrains.exposed.sql.Table
+import org.jetbrains.exposed.sql.javatime.timestamp
+
+object BlockChangeView : Table("block_changes") {
+  val isBreak = bool("break")
+  val time = timestamp("time")
+  val player = uuid("player")
+  val world = uuid("world")
+  val x = double("x")
+  val y = double("y")
+  val z = double("z")
+  val pitch = double("pitch")
+  val yaw = double("yaw")
+  val block = text("block")
+}

foundation-heimdall/src/main/resources/init.sql

@@ -118,3 +118,5 @@ create table if not exists heimdall.entity_kills (
 );
 --
 select create_hypertable('heimdall.entity_kills', 'time', 'player', 4,  if_not_exists => TRUE);
+--
+create or replace view heimdall.block_changes as select true as break, * from heimdall.block_breaks union all select false as break, * from heimdall.block_places;

settings.gradle.kts

@@ -4,4 +4,5 @@ include(
   ":foundation-core",
   ":foundation-bifrost",
   ":foundation-heimdall",
+  ":foundation-gjallarhorn",
 )