feat(AutoMount): Add AutoMount module to automatically mount or remount entities

Author: IceTank

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

@@ -0,0 +1,87 @@
+/*
+ * 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.context.SafeContext
+import com.lambda.event.events.TickEvent
+import com.lambda.event.listener.SafeListener.Companion.listen
+import com.lambda.module.Module
+import com.lambda.module.tag.ModuleTag
+import com.lambda.util.Timer
+import com.lambda.util.world.fastEntitySearch
+import net.minecraft.entity.Entity
+import net.minecraft.entity.EntityType
+import net.minecraft.registry.Registries
+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<EntityType<*>>(), 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", 5.0, 1.0..10.0, 0.1, description = "Mount range")
+
+	val intervalTimer = Timer()
+	var lastEntity: Entity? = null
+
+	init {
+		listen<TickEvent.Pre> {
+			if (!intervalTimer.timePassed(interval.milliseconds)) {
+				return@listen
+			}
+			if (autoMountEntities && !player.isRiding) {
+				val entity = fastEntitySearch<Entity>(range) {
+					autoMountEntityList.contains(it.type) && canRide(it) && it.distanceTo(player) <= range
+				}
+				entity.firstOrNull()?.let {
+					intervalTimer.reset()
+					player.startRiding(it)
+				}
+			}
+			if (autoRemount) {
+				if (player.isRiding) {
+					lastEntity = player.vehicle
+				} else {
+					lastEntity?.let {
+						if (it.isRemoved || it.distanceTo(player) > range) {
+							lastEntity = null
+						} else {
+							if (canRide(it)) {
+								intervalTimer.reset()
+								player.startRiding(it)
+							}
+						}
+					}
+				}
+			}
+		}
+	}
+
+	private fun SafeContext.canRide(entity: Entity): Boolean {
+		return entity.canAddPassenger(player)
+	}
+
+	private fun Entity.canAddPassenger(other: Entity): Boolean {
+		return this.canAddPassenger(other)
+	}
+}