Update KSpigot to 1.18.1

src/main/kotlin/net/axay/kspigot/commands/Arguments.kt

@@ -5,7 +5,7 @@ import com.mojang.brigadier.builder.ArgumentBuilder
 import com.mojang.brigadier.builder.RequiredArgumentBuilder
 import com.mojang.brigadier.context.CommandContext
 import net.axay.kspigot.commands.internal.ArgumentTypeUtils
-import net.axay.kspigot.commands.internal.ServerCommandSource
+import net.minecraft.commands.CommandSourceStack
 
 /**
  * Adds an argument.
@@ -13,12 +13,12 @@ import net.axay.kspigot.commands.internal.ServerCommandSource
  * @param name the name of the argument
  * @param type the type of the argument - e.g. IntegerArgumentType.integer() or StringArgumentType.string()
  */
-inline fun <T> ArgumentBuilder<ServerCommandSource, *>.argument(
+inline fun <T> ArgumentBuilder<CommandSourceStack, *>.argument(
     name: String,
     type: ArgumentType<T>,
-    builder: RequiredArgumentBuilder<ServerCommandSource, T>.() -> Unit = {}
-): RequiredArgumentBuilder<ServerCommandSource, T> =
-    RequiredArgumentBuilder.argument<ServerCommandSource, T>(name, type).apply(builder).also { then(it) }
+    builder: RequiredArgumentBuilder<CommandSourceStack, T>.() -> Unit = {}
+): RequiredArgumentBuilder<CommandSourceStack, T> =
+    RequiredArgumentBuilder.argument<CommandSourceStack, T>(name, type).apply(builder).also { then(it) }
 
 /**
  * Adds an argument. The argument type will be resolved via the reified
@@ -27,14 +27,14 @@ inline fun <T> ArgumentBuilder<ServerCommandSource, *>.argument(
  * @param name the name of the argument
  */
 @Suppress("UNCHECKED_CAST")
-inline fun <reified T> ArgumentBuilder<ServerCommandSource, *>.argument(
+inline fun <reified T> ArgumentBuilder<CommandSourceStack, *>.argument(
     name: String,
-    builder: RequiredArgumentBuilder<ServerCommandSource, T>.() -> Unit = {}
-): RequiredArgumentBuilder<ServerCommandSource, T> =
-    RequiredArgumentBuilder.argument<ServerCommandSource, T>(name, ArgumentTypeUtils.fromReifiedType<T>()).apply(builder).also { then(it) }
+    builder: RequiredArgumentBuilder<CommandSourceStack, T>.() -> Unit = {}
+): RequiredArgumentBuilder<CommandSourceStack, T> =
+    RequiredArgumentBuilder.argument<CommandSourceStack, T>(name, ArgumentTypeUtils.fromReifiedType<T>()).apply(builder).also { then(it) }
 
 /**
  * Get the value of this argument.
  */
-inline fun <reified T> CommandContext<ServerCommandSource>.getArgument(name: String): T =
+inline fun <reified T> CommandContext<CommandSourceStack>.getArgument(name: String): T =
     getArgument(name, T::class.java)

src/main/kotlin/net/axay/kspigot/commands/CommandContext.kt

@@ -1,19 +1,13 @@
 package net.axay.kspigot.commands
 
 import com.mojang.brigadier.context.CommandContext
-import com.mojang.brigadier.exceptions.SimpleCommandExceptionType
-import net.axay.kspigot.commands.internal.ServerCommandSource
-import net.minecraft.network.chat.ChatMessage
+import net.minecraft.commands.CommandSourceStack
 import org.bukkit.Location
 import org.bukkit.Server
 import org.bukkit.World
 import org.bukkit.entity.Player
 
-class CommandContext(val nmsContext: CommandContext<ServerCommandSource>) {
-    companion object {
-        private val REQUIRES_PLAYER_EXCEPTION = SimpleCommandExceptionType(ChatMessage("permissions.requires.player"))
-    }
-
+class CommandContext(val nmsContext: CommandContext<CommandSourceStack>) {
     /**
      * Get the value of the given argument.
      */
@@ -23,13 +17,13 @@ class CommandContext(val nmsContext: CommandContext<ServerCommandSource>) {
     /**
      * The source / sender which executed this command.
      */
-    val sender get() = nmsContext.source.bukkitSender
+    val sender: CommandSourceStack get() = nmsContext.source
 
     /**
      * Validates that this command was executes by a player (sends an error message to the sender if this is not the case)
      * and returns the [Player].
      */
-    val player get() = nmsContext.source.bukkitSender as? Player ?: throw REQUIRES_PLAYER_EXCEPTION.create()
+    val player: Player get() = nmsContext.source.bukkitSender as? Player ?: throw CommandSourceStack.ERROR_NOT_PLAYER.create()
 
     /**
      * The world where the source of this command currently is in.
@@ -38,17 +32,17 @@ class CommandContext(val nmsContext: CommandContext<ServerCommandSource>) {
      * these cases are rare (e.g. command called by a datapack function), therefore
      * this property is not nullable for convenience
      */
-    val world get() = nmsContext.source.world.world as World
+    val world: World get() = nmsContext.source.bukkitWorld!!
 
     /**
      * The position of the source of this command.
      */
-    val position get() = with(nmsContext.source.position) {
-        Location(nmsContext.source.world.world as? World?, x, y, z)
+    val position: Location get() = with(nmsContext.source.position) {
+        Location(nmsContext.source.bukkitWorld, x, y, z)
     }
 
     /**
      * The current server instance.
      */
-    val server get() = nmsContext.source.server.server as Server
+    val server: Server get() = nmsContext.source.server.server as Server
 }

src/main/kotlin/net/axay/kspigot/commands/Creation.kt

@@ -3,7 +3,7 @@ package net.axay.kspigot.commands
 import com.mojang.brigadier.builder.ArgumentBuilder
 import com.mojang.brigadier.builder.LiteralArgumentBuilder
 import net.axay.kspigot.commands.internal.BrigardierSupport
-import net.axay.kspigot.commands.internal.ServerCommandSource
+import net.minecraft.commands.CommandSourceStack
 
 /**
  * Creates a new command.
@@ -14,9 +14,9 @@ import net.axay.kspigot.commands.internal.ServerCommandSource
 inline fun command(
     name: String,
     register: Boolean = true,
-    builder: LiteralArgumentBuilder<ServerCommandSource>.() -> Unit
-): LiteralArgumentBuilder<ServerCommandSource> =
-    LiteralArgumentBuilder.literal<ServerCommandSource>(name).apply(builder).apply {
+    builder: LiteralArgumentBuilder<CommandSourceStack>.() -> Unit
+): LiteralArgumentBuilder<CommandSourceStack> =
+    LiteralArgumentBuilder.literal<CommandSourceStack>(name).apply(builder).apply {
         if (register)
             BrigardierSupport.commands += this
     }
@@ -26,7 +26,7 @@ inline fun command(
  *
  * @param name the name of the literal
  */
-inline fun ArgumentBuilder<ServerCommandSource, *>.literal(
+inline fun ArgumentBuilder<CommandSourceStack, *>.literal(
     name: String,
-    builder: LiteralArgumentBuilder<ServerCommandSource>.() -> Unit = {}
+    builder: LiteralArgumentBuilder<CommandSourceStack>.() -> Unit = {}
 ) = command(name, false, builder).also { then(it) }

src/main/kotlin/net/axay/kspigot/commands/Execution.kt

@@ -2,7 +2,7 @@ package net.axay.kspigot.commands
 
 import com.mojang.brigadier.Command
 import com.mojang.brigadier.builder.ArgumentBuilder
-import net.axay.kspigot.commands.internal.ServerCommandSource
+import net.minecraft.commands.CommandSourceStack
 
 /**
  * Adds execution logic to this command. The place where this function
@@ -11,7 +11,7 @@ import net.axay.kspigot.commands.internal.ServerCommandSource
  *
  * @see com.mojang.brigadier.builder.ArgumentBuilder.executes
  */
-inline infix fun ArgumentBuilder<ServerCommandSource, *>.runs(
+inline infix fun ArgumentBuilder<CommandSourceStack, *>.runs(
     crossinline executor: CommandContext.() -> Unit,
 ) = this.apply {
     executes wrapped@{
@@ -39,6 +39,6 @@ infix fun <S> ArgumentBuilder<S, *>.runs(executor: Command<S>) =
     "The name 'simpleExecutes' has been superseded by 'runs'.",
     ReplaceWith("runs { executor.invoke() }")
 )
-inline infix fun ArgumentBuilder<ServerCommandSource, *>.simpleExecutes(
+inline infix fun ArgumentBuilder<CommandSourceStack, *>.simpleExecutes(
     crossinline executor: CommandContext.() -> Unit,
 ) = runs(executor)

src/main/kotlin/net/axay/kspigot/commands/Registration.kt

@@ -4,7 +4,7 @@ import com.mojang.brigadier.CommandDispatcher
 import com.mojang.brigadier.builder.LiteralArgumentBuilder
 import net.axay.kspigot.annotations.NMS_General
 import net.axay.kspigot.commands.internal.BrigardierSupport
-import net.minecraft.commands.CommandListenerWrapper
+import net.minecraft.commands.CommandSourceStack
 
 /**
  * Registers this command at the [CommandDispatcher] of the server.
@@ -14,11 +14,11 @@ import net.minecraft.commands.CommandListenerWrapper
  * calling this function as the server is starting
  */
 @NMS_General
-fun LiteralArgumentBuilder<CommandListenerWrapper>.register(sendToPlayers: Boolean = true) {
+fun LiteralArgumentBuilder<CommandSourceStack>.register(sendToPlayers: Boolean = true) {
     if (!BrigardierSupport.executedDefaultRegistration)
         BrigardierSupport.commands += this
     else {
-        BrigardierSupport.commandDispatcher.register(this)
+        BrigardierSupport.resolveCommandManager().dispatcher.register(this)
         if (sendToPlayers)
             BrigardierSupport.updateCommandTree()
     }

src/main/kotlin/net/axay/kspigot/commands/Requires.kt

@@ -1,14 +1,14 @@
 package net.axay.kspigot.commands
 
 import com.mojang.brigadier.builder.ArgumentBuilder
-import net.axay.kspigot.commands.internal.ServerCommandSource
+import net.minecraft.commands.CommandSourceStack
 import org.bukkit.permissions.Permission
 
 /**
  * Defines that the given [permission] is required to interact with this
  * path of the command.
  */
-fun ArgumentBuilder<ServerCommandSource, *>.requiresPermission(permission: String): ArgumentBuilder<*, *> =
+fun ArgumentBuilder<CommandSourceStack, *>.requiresPermission(permission: String): ArgumentBuilder<*, *> =
     requires {
         it.bukkitSender.hasPermission(permission)
     }
@@ -17,7 +17,7 @@ fun ArgumentBuilder<ServerCommandSource, *>.requiresPermission(permission: Strin
  * Defines that the given [permission] is required to interact with this
  * path of the command.
  */
-fun ArgumentBuilder<ServerCommandSource, *>.requiresPermission(permission: Permission): ArgumentBuilder<*, *> =
+fun ArgumentBuilder<CommandSourceStack, *>.requiresPermission(permission: Permission): ArgumentBuilder<*, *> =
     requires {
         it.bukkitSender.hasPermission(permission)
     }

src/main/kotlin/net/axay/kspigot/commands/internal/BrigardierSupport.kt

@@ -2,20 +2,14 @@
 
 package net.axay.kspigot.commands.internal
 
-import com.mojang.brigadier.CommandDispatcher
 import com.mojang.brigadier.builder.LiteralArgumentBuilder
-import net.axay.kspigot.annotations.NMS_1_17
-import net.axay.kspigot.annotations.NMS_General
 import net.axay.kspigot.event.listen
 import net.axay.kspigot.extensions.onlinePlayers
 import net.axay.kspigot.extensions.server
 import net.axay.kspigot.main.KSpigotMainInstance
-import net.axay.kspigot.utils.reflectField
-import net.minecraft.commands.CommandListenerWrapper
+import net.minecraft.commands.CommandSourceStack
 import org.bukkit.event.player.PlayerJoinEvent
 
-typealias ServerCommandSource = CommandListenerWrapper
-
 /**
  * This class provides Brigardier support. It does that
  * by using reflection once. Additionally, this class is
@@ -23,7 +17,7 @@ typealias ServerCommandSource = CommandListenerWrapper
  */
 object BrigardierSupport {
     @PublishedApi
-    internal val commands = LinkedHashSet<LiteralArgumentBuilder<CommandListenerWrapper>>()
+    internal val commands = LinkedHashSet<LiteralArgumentBuilder<CommandSourceStack>>()
 
     internal var executedDefaultRegistration = false
         private set
@@ -38,45 +32,27 @@ object BrigardierSupport {
         }
     }
 
-    /**
-     * The command manager is used to hold the command dispatcher,
-     * and to manage and dispatch the brigardier commands for
-     * all players on the server.
-     */
-    @Suppress("HasPlatformType") // do not refer non-lazily to the type in this class
-    @NMS_General
-    val commandManager by lazy {
-        (server as org.bukkit.craftbukkit.v1_17_R1.CraftServer).server.vanillaCommandDispatcher
-    }
+    @Suppress("HasPlatformType")
+    fun resolveCommandManager() = (server as org.bukkit.craftbukkit.v1_18_R1.CraftServer)
+        .server.vanillaCommandDispatcher
 
-    /**
-     * The command dispatcher is used to register brigardier commands.
-     */
-    @NMS_1_17
-    val commandDispatcher by lazy {
-        // g = the command dispatcher
-        commandManager.reflectField<CommandDispatcher<CommandListenerWrapper>>("g")
-    }
-
-    @NMS_General
     internal fun registerAll() {
         executedDefaultRegistration = true
 
         // TODO unregister commands which are now missing due to a possible reload
         if (commands.isNotEmpty()) {
             commands.forEach {
-                commandDispatcher.register(it)
+                resolveCommandManager().dispatcher.register(it)
             }
             if (onlinePlayers.isNotEmpty())
                 updateCommandTree()
         }
     }
 
-    @NMS_General
     fun updateCommandTree() {
         onlinePlayers.forEach {
             // send the command tree
-            commandManager.a((it as org.bukkit.craftbukkit.v1_17_R1.entity.CraftPlayer).handle)
+            resolveCommandManager().sendCommands((it as org.bukkit.craftbukkit.v1_18_R1.entity.CraftPlayer).handle)
         }
     }
 }

src/main/kotlin/net/axay/kspigot/data/NBTDataLoader.kt

@@ -0,0 +1,27 @@
+package net.axay.kspigot.data
+
+import net.axay.kspigot.annotations.NMS_General
+import net.minecraft.nbt.CompoundTag
+import org.bukkit.craftbukkit.v1_18_R1.entity.CraftEntity
+import org.bukkit.craftbukkit.v1_18_R1.inventory.CraftItemStack
+import org.bukkit.entity.Entity
+import org.bukkit.inventory.ItemStack
+
+@NMS_General
+var Entity.nbtData: CompoundTag
+    get() {
+        val nbtTagCompound = CompoundTag()
+        (this as CraftEntity).handle.save(nbtTagCompound)
+        return nbtTagCompound
+    }
+    set(value) {
+        (this as CraftEntity).handle.load(value)
+    }
+
+@NMS_General
+val ItemStack.nbtData: CompoundTag
+    get() {
+        CraftItemStack.asNMSCopy(this).let {
+            return if (it.hasTag()) (it.tag ?: CompoundTag()) else CompoundTag()
+        }
+    }

src/main/kotlin/net/axay/kspigot/extensions/bukkit/EntityExtensions.kt

@@ -9,7 +9,6 @@ import net.md_5.bungee.api.ChatMessageType
 import org.bukkit.Location
 import org.bukkit.Material
 import org.bukkit.attribute.Attribute
-import org.bukkit.craftbukkit.v1_17_R1.CraftWorld
 import org.bukkit.entity.*
 import org.bukkit.inventory.EquipmentSlot
 import org.bukkit.inventory.ItemStack
@@ -102,21 +101,15 @@ fun Player.showOnlinePlayers() {
     onlinePlayers.filter { it != this }.forEach { this.showPlayer(PluginInstance, it) }
 }
 
-/**
- * Kicks the player from the server.
- */
-fun Player.kick(reason: String? = "You got kicked!") {
-    kickPlayer(reason)
-}
-
 /**
  * Spawns an entity without any variations in color, type etc...
  */
+@Deprecated("This function is unstable and it cannot be guaranteed that it will work at any time in the future.")
 @NMS_General
 fun Location.spawnCleanEntity(entityType: EntityType): Entity? {
-    val craftWorld = world as? CraftWorld ?: return null
+    val craftWorld = world as? org.bukkit.craftbukkit.v1_18_R1.CraftWorld ?: return null
     return craftWorld.createEntity(this, entityType.entityClass)?.let {
-        craftWorld.handle.addEntity(it)
+        craftWorld.handle.addFreshEntity(it)
         return@let it.bukkitEntity
     }
 }
@@ -135,6 +128,7 @@ fun Player.title(
     stay: Int = 70,
     fadeOut: Int = 20,
 ) {
+    @Suppress("DEPRECATION")
     sendTitle(mainText, subText, fadeIn, stay, fadeOut)
 }
 

src/main/kotlin/net/axay/kspigot/structures/Structure.kt

@@ -1,15 +1,16 @@
 package net.axay.kspigot.structures
 
 import net.axay.kspigot.annotations.NMS_General
-import net.axay.kspigot.data.NBTData
 import net.axay.kspigot.data.nbtData
 import net.axay.kspigot.extensions.bukkit.spawnCleanEntity
 import net.axay.kspigot.extensions.geometry.SimpleLocation3D
 import net.axay.kspigot.particles.KSpigotParticle
+import net.minecraft.nbt.CompoundTag
 import org.bukkit.Location
 import org.bukkit.Material
 import org.bukkit.block.Block
 import org.bukkit.block.data.BlockData
+import org.bukkit.craftbukkit.v1_18_R1.entity.CraftEntity
 import org.bukkit.entity.Entity
 import org.bukkit.entity.EntityType
 
@@ -54,13 +55,13 @@ data class StructureDataBlock(
 @NMS_General
 data class StructureDataEntity(
     val entityType: EntityType,
-    val nbtData: NBTData,
+    val nbtData: CompoundTag,
 ) : StructureData {
     constructor(entity: Entity) : this(entity.type, entity.nbtData)
-    constructor(entityType: EntityType) : this(entityType, NBTData())
+    constructor(entityType: EntityType) : this(entityType, CompoundTag())
 
     override fun createAt(loc: Location) {
-        loc.spawnCleanEntity(entityType)?.nbtData = nbtData
+        (loc.spawnCleanEntity(entityType) as CraftEntity).handle.load(nbtData)
     }
 }