feat(AutoMount): Add AutoMount module

src/main/kotlin/com/lambda/module/modules/movement/AutoMount.kt

@@ -0,0 +1,139 @@
+/*
+ * Copyright 2026 Lambda
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.lambda.module.modules.movement
+
+import com.lambda.config.AutomationConfig.Companion.setDefaultAutomationConfig
+import com.lambda.config.applyEdits
+import com.lambda.context.AutomatedSafeContext
+import com.lambda.context.SafeContext
+import com.lambda.event.events.TickEvent
+import com.lambda.event.listener.SafeListener.Companion.listen
+import com.lambda.interaction.managers.rotating.IRotationRequest.Companion.rotationRequest
+import com.lambda.interaction.managers.rotating.visibilty.VisibilityChecker.findRotation
+import com.lambda.interaction.managers.rotating.visibilty.lookAtEntity
+import com.lambda.interaction.managers.rotating.visibilty.lookAtHit
+import com.lambda.module.Module
+import com.lambda.module.tag.ModuleTag
+import com.lambda.threading.runSafeAutomated
+import com.lambda.util.Communication.debug
+import com.lambda.util.Communication.info
+import com.lambda.util.Timer
+import com.lambda.util.world.fastEntitySearch
+import net.minecraft.entity.Entity
+import net.minecraft.network.packet.c2s.play.PlayerInteractEntityC2SPacket
+import net.minecraft.registry.Registries
+import net.minecraft.util.Hand
+import net.minecraft.util.hit.EntityHitResult
+import net.minecraft.util.math.Vec3d
+import kotlin.time.Duration.Companion.milliseconds
+
+class AutoMount : Module(
+	name = "AutoMount",
+	description = "Automatically mounts entities",
+	tag = ModuleTag.MOVEMENT
+) {
+	var autoRemount by setting("Auto Remount", false, description = "Automatically remounts if you get off")
+	var autoMountEntities by setting("Auto Mount Entities", true, description = "Automatically mounts nearby entities in range")
+	var autoMountEntityList by setting("Auto Mount Entity List", mutableListOf(), Registries.ENTITY_TYPE.toList()) { autoMountEntities }
+
+	var interval by setting("Interval", 50, 1..200, 1, unit = "ms", description = "Interact interval")
+	var range by setting("Range", 4.0, 1.0..20.0, 0.1, description = "Mount range")
+	var rotate by setting("Rotate", false, description = "Rotate to the entity when mounting")
+	var packetUnCrouch by setting("Packet Crouch", true, description = "Send the mount packet with the crouch flag false")
+	var debug by setting("Debug", false, description = "Print debug messages")
+
+	val intervalTimer = Timer()
+	var lastEntity: Entity? = null
+
+	init {
+ setDefaultAutomationConfig("AutoMount") {
+ applyEdits {
+ hideAllGroupsExcept(rotationConfig, interactConfig)
+ }
+ }
+
+ onEnable {
+ intervalTimer.reset()
+ lastEntity = null
+ }
+
+ listen<TickEvent.Pre> {
+ if (!intervalTimer.timePassed(interval.milliseconds)) {
+ return@listen
+ }
+ if (autoMountEntities && player.vehicle == null) {
+ runSafeAutomated {
+ val entity = fastEntitySearch<Entity>(10.0) {
+ autoMountEntityList.contains(it.type) && canRide(it) && it.findRotation(range, player.eyePos) != null
+ }.sortedBy { it.squaredDistanceTo(player.pos) }
+ entity.firstOrNull()?.let {
+ interactEntity(it)
+ if (debug) info("Mounting ${it.name}")
+ }
+ }
+ }
+ if (!autoRemount) {
+ return@listen
+ }
+ if (player.vehicle?.isRemoved == false) {
+ lastEntity = player.vehicle
+ }
+ lastEntity?.let {
+ if (it.isRemoved || it.distanceTo(player) > range) {
+ lastEntity = null
+ return@let
+ }
+ if (canRide(it)) {
+ runSafeAutomated {
+ interactEntity(it)
+ }
+ }
+ }
+ }
+	}
+
+	private fun AutomatedSafeContext.interactEntity(entity: Entity) {
+ intervalTimer.reset()
+ if (rotate) {
+ lookAtEntity(entity)?.let {
+ val done = rotationRequest {
+ lookAtHit(it.hit)
+ }.submit().done
+ if (!done) {
+ if (debug) debug("Rotation request failed to submit")
+ return
+ }
+ val hitResult = it.hit as? EntityHitResult ?: return@let
+ // Send packet to manually set sneak state
+ val vec3d = hitResult.getPos().subtract(entity.x, entity.y, entity.z)
+ val crouch = if (packetUnCrouch) false else player.isSneaking
+ connection.sendPacket(PlayerInteractEntityC2SPacket.interactAt(entity, crouch, Hand.MAIN_HAND, vec3d))
+ return
+ } ?: run {
+ if (debug) debug("Not rotation found to mount entity")
+ return
+ }
+ if (debug) debug("Invalid entity rotation")
+ } else {
+ connection.sendPacket(PlayerInteractEntityC2SPacket.interactAt(entity, false, Hand.MAIN_HAND, Vec3d(0.5, 0.5, 0.5)))
+ connection.sendPacket(PlayerInteractEntityC2SPacket.interact(entity, false, Hand.MAIN_HAND))
+ }
+	}
+
+	private fun SafeContext.canRide(entity: Entity) = entity.canAddPassenger(player)
+}

src/main/resources/lambda.accesswidener

@@ -62,6 +62,7 @@ transitive-accessible field net/minecraft/entity/Entity world Lnet/minecraft/wor
 transitive-accessible class net/minecraft/screen/slot/ArmorSlot
 transitive-accessible field net/minecraft/screen/slot/ArmorSlot equipmentSlot Lnet/minecraft/entity/EquipmentSlot;
 transitive-accessible field net/minecraft/entity/Entity FLAGS Lnet/minecraft/entity/data/TrackedData;
+transitive-accessible method net/minecraft/entity/Entity canAddPassenger (Lnet/minecraft/entity/Entity;)Z
 
 # Camera
 transitive-accessible method net/minecraft/client/render/Camera setPos (DDD)V