Add nms for 1.17 and 1.17.1 even if these version will not receive support and will not be tested.

Could not add nms for 1.16.5 bc of missing paper userdev.

build.gradle.kts

@@ -38,6 +38,7 @@ dependencies {
 
     // Include nms
     implementation(project(":nms:nms-common"))
+    implementation(project(":nms:v1_17R1", configuration = "reobf"))
     implementation(project(":nms:v1_18R1", configuration = "reobf"))
     implementation(project(":nms:v1_18R2", configuration = "reobf"))
     implementation(project(":nms:v1_19R1", configuration = "reobf"))

nms/v1_17R1/build.gradle.kts

@@ -0,0 +1,43 @@
+import org.jetbrains.kotlin.gradle.dsl.JvmTarget
+
+group = rootProject.group
+version = rootProject.version
+
+plugins {
+    id("io.papermc.paperweight.userdev")
+}
+
+dependencies {
+    implementation(project(":nms:nms-common"))
+
+    // Used for nms
+    paperweight.paperDevBundle("1.17.1-R0.1-SNAPSHOT")
+}
+
+repositories {
+    maven("https://repo.papermc.io/repository/maven-public/")
+
+}
+
+// As minecraft 1.17 recommended java version is 1.16. we set language version to 1.16
+
+// Configure used version of kotlin and java
+java {
+    disableAutoTargetJvm()
+    toolchain.languageVersion.set(JavaLanguageVersion.of(16))
+}
+
+// Set target version
+tasks.withType<JavaCompile>().configureEach {
+    sourceCompatibility = "16"
+    targetCompatibility = "16"
+
+    options.encoding = "UTF-8"
+}
+
+kotlin {
+    compilerOptions {
+        apiVersion.set(org.jetbrains.kotlin.gradle.dsl.KotlinVersion.KOTLIN_2_0)
+        jvmTarget.set(JvmTarget.JVM_16)
+    }
+}

nms/v1_17R1/src/main/kotlin/xyz/alexcrea/cuanvil/dependency/packet/versions/V1_17R1_PacketManager.kt

@@ -0,0 +1,33 @@
+package xyz.alexcrea.cuanvil.dependency.packet.versions
+
+import net.minecraft.network.protocol.game.ClientboundPlayerAbilitiesPacket
+import net.minecraft.world.entity.player.Abilities
+import org.bukkit.craftbukkit.v1_17_R1.entity.CraftPlayer
+import org.bukkit.entity.Player
+import xyz.alexcrea.cuanvil.dependency.packet.PacketManager
+import xyz.alexcrea.cuanvil.dependency.packet.PacketManagerBase
+
+class V1_17R1_PacketManager : PacketManagerBase(), PacketManager {
+    override val canSetInstantBuild: Boolean
+        get() = true
+
+    override fun setInstantBuild(player: Player, instantBuild: Boolean) {
+        val nmsPlayer = (player as CraftPlayer).handle
+        val playerAbilities = nmsPlayer.abilities
+        val sendedAbilities: Abilities
+        if (playerAbilities.instabuild == instantBuild) {
+            sendedAbilities = playerAbilities
+        } else {
+            sendedAbilities = Abilities()
+            sendedAbilities.invulnerable = playerAbilities.invulnerable
+            sendedAbilities.flying = playerAbilities.flying
+            sendedAbilities.mayfly = playerAbilities.mayfly
+            sendedAbilities.instabuild = instantBuild
+            sendedAbilities.mayBuild = playerAbilities.mayBuild
+            sendedAbilities.flyingSpeed = playerAbilities.flyingSpeed
+            sendedAbilities.walkingSpeed = playerAbilities.walkingSpeed
+        }
+        val packet = ClientboundPlayerAbilitiesPacket(sendedAbilities)
+        nmsPlayer.connection.send(packet)
+    }
+}

settings.gradle.kts

@@ -3,6 +3,8 @@ rootProject.name = "CustomAnvil"
 // NMS subproject
 include("nms:nms-common")
 findProject(":nms:nms-common")?.name = "nms-common"
+include("nms:v1_17R1")
+findProject(":nms:v1_17R1")?.name = "v1_17R1"
 include("nms:v1_18R1")
 findProject(":nms:v1_18R1")?.name = "v1_18R1"
 include("nms:v1_18R2")

src/main/kotlin/xyz/alexcrea/cuanvil/dependency/packet/PacketManagerSelector.kt

@@ -19,19 +19,16 @@ object PacketManagerSelector {
                 ProtocoLibWrapper()
             else
                 NoPacketManager()
-    private val versionSpecificManager: PacketManager?
+    private val versionSpecificManager: PacketManagerBase?
         get() {
             val versionParts = UpdateUtils.currentMinecraftVersion()
-            if (versionParts[0] != 1) return null;
+            if (versionParts[0] != 1) return null
 
             return when (versionParts[1]) {
-                16 -> when (versionParts[2]) {
+                // Can't support 1.16.5 bc 1.16.5 paper userdev do not exist
-                    4, 5 -> null // TODO V1_16R3 (if possible)
-                    else -> null
-                }
 
                 17 -> when (versionParts[2]) {
-                    0, 1 -> null // TODO V1_17R1 (if possible)
+                    0, 1 -> V1_17R1_PacketManager()
                     else -> null
                 }