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IceTankIceTank
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Move freecam module
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  • src/main/kotlin/com/lambda/module/modules/render

‎src/main/kotlin/com/lambda/module/modules/render/Freecam.kt‎

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/*
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* Copyright 2026 Lambda
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package com.lambda.module.modules.render
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import com.lambda.Lambda
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import com.lambda.event.events.MovementEvent
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import com.lambda.event.events.PlayerEvent
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import com.lambda.event.events.RenderEvent
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import com.lambda.event.events.TickEvent
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import com.lambda.event.listener.SafeListener.Companion.listen
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import com.lambda.interaction.managers.rotating.IRotationRequest.Companion.rotationRequest
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import com.lambda.interaction.managers.rotating.Rotation
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import com.lambda.interaction.managers.rotating.RotationConfig
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import com.lambda.interaction.managers.rotating.RotationMode
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import com.lambda.interaction.managers.rotating.visibilty.lookAt
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import com.lambda.module.Module
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import com.lambda.module.tag.ModuleTag
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import com.lambda.threading.runSafeAutomated
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import com.lambda.util.Communication.info
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import com.lambda.util.Describable
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import com.lambda.util.NamedEnum
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import com.lambda.util.extension.rotation
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import com.lambda.util.math.interpolate
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import com.lambda.util.math.plus
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import com.lambda.util.math.times
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import com.lambda.util.player.MovementUtils.calcMoveRad
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import com.lambda.util.player.MovementUtils.cancel
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import com.lambda.util.player.MovementUtils.handledByBaritone
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import com.lambda.util.player.MovementUtils.isInputting
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import com.lambda.util.player.MovementUtils.movementVector
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import com.lambda.util.player.MovementUtils.newMovementInput
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import com.lambda.util.player.MovementUtils.roundedForward
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import com.lambda.util.player.MovementUtils.roundedStrafing
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import com.lambda.util.player.MovementUtils.verticalMovement
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import com.lambda.util.world.raycast.RayCastUtils.orMiss
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import net.minecraft.client.option.Perspective
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import net.minecraft.util.hit.BlockHitResult
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import net.minecraft.util.hit.HitResult
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import net.minecraft.util.math.BlockPos
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import net.minecraft.util.math.Direction
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import net.minecraft.util.math.Vec3d
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object Freecam : Module(
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name = "Freecam",
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description = "Move your camera freely",
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tag = ModuleTag.RENDER,
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autoDisable = true,
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) {
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private val speed by setting("Speed", 0.5, 0.1..1.0, 0.1, "Freecam movement speed", unit = "m/s")
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private val sprint by setting("Sprint Multiplier", 3.0, 0.1..10.0, 0.1, description = "Set below 1.0 to fly slower on sprint.")
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private val reach by setting("Reach", 10.0, 1.0..100.0, 1.0, "Freecam reach distance")
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private val rotateMode by setting("Rotate Mode", FreecamRotationMode.None, "Rotation mode")
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.onValueChange { _, it -> if (it == FreecamRotationMode.LookAtTarget) mc.crosshairTarget = BlockHitResult.createMissed(Vec3d.ZERO, Direction.UP, BlockPos.ORIGIN) }
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private val relative by setting("Relative", false, "Moves freecam relative to player position")
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.onValueChange { _, it -> if (it) lastPlayerPosition = player.pos }
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private val keepYLevel by setting("Keep Y Level", false, "Don't change the camera y-level on player movement") { relative }
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override val rotationConfig = RotationConfig.Instant(RotationMode.Lock)
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private var lastPerspective = Perspective.FIRST_PERSON
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private var lastPlayerPosition: Vec3d = Vec3d.ZERO
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private var prevPosition: Vec3d = Vec3d.ZERO
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private var position: Vec3d = Vec3d.ZERO
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private val lerpPos: Vec3d
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get() {
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val tickProgress = Lambda.mc.gameRenderer.camera.lastTickProgress
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return prevPosition.interpolate(tickProgress, position)
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}
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private var rotation: Rotation = Rotation.Companion.ZERO
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private var velocity: Vec3d = Vec3d.ZERO
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private var loading = false
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@JvmStatic
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fun updateCam() {
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Lambda.mc.gameRenderer.apply {
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camera.setRotation(rotation.yawF, rotation.pitchF)
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camera.setPos(lerpPos.x, lerpPos.y, lerpPos.z)
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}
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}
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/**
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* @see net.minecraft.entity.Entity.changeLookDirection
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*/
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private const val SENSITIVITY_FACTOR = 0.15
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init {
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onEnable {
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lastPerspective = mc.options.perspective
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position = player.eyePos
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rotation = player.rotation
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velocity = Vec3d.ZERO
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lastPlayerPosition = player.pos
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}
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onDisable {
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mc.options.perspective = lastPerspective
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}
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listen<TickEvent.Pre> {
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when (rotateMode) {
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FreecamRotationMode.None -> return@listen
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FreecamRotationMode.KeepRotation -> rotationRequest { rotation(rotation) }.submit()
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FreecamRotationMode.LookAtTarget ->
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mc.crosshairTarget?.let {
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runSafeAutomated {
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rotationRequest { rotation(lookAt(it.pos)) }.submit()
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}
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}
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}
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}
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listen<PlayerEvent.World.Respawn> {
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loading = true
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info("Respawned, waiting for position look packet to update freecam position...")
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}
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listen<PlayerEvent.World.SetPosition> {
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info("Received position look packet, updating freecam position")
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info("New position: ${it.position}")
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if (loading) {
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loading = false
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position = player.eyePos
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rotation = player.rotation
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}
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}
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listen<PlayerEvent.ChangeLookDirection> {
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rotation = rotation.withDelta(
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it.deltaYaw * SENSITIVITY_FACTOR,
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it.deltaPitch * SENSITIVITY_FACTOR
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)
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it.cancel()
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}
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listen<MovementEvent.InputUpdate> { event ->
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mc.options.perspective = Perspective.FIRST_PERSON
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// Don't block baritone from working
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if (!event.input.handledByBaritone) {
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// Reset actual input
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event.input.cancel()
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}
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// Create new input for freecam
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val input = newMovementInput(assumeBaritone = false, slowdownCheck = false)
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val sprintModifier = if (mc.options.sprintKey.isPressed) sprint else 1.0
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val moveDir = calcMoveRad(rotation.yawF, input.roundedForward, input.roundedStrafing)
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var moveVec = movementVector(moveDir, input.verticalMovement) * speed * sprintModifier
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if (!input.isInputting) moveVec *= Vec3d(0.0, 1.0, 0.0)
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// Apply movement
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velocity + moveVec
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velocity *= 0.6
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// Update position
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prevPosition = position
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position += velocity
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if (relative) {
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val delta = player.pos.subtract(lastPlayerPosition)
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position += if (keepYLevel) Vec3d(delta.x, 0.0, delta.z) else delta
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lastPlayerPosition = player.pos
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}
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}
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listen<RenderEvent.UpdateTarget>({ 1 }) { event -> // Higher priority then RotationManager to run before RotationManager modifies mc.crosshairTarget
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mc.crosshairTarget = rotation
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.rayCast(reach, lerpPos)
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.orMiss // Can't be null (otherwise mc will spam "Null returned as 'hitResult', this shouldn't happen!")
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mc.crosshairTarget?.let { if (it.type != HitResult.Type.MISS) event.cancel() }
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}
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}
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enum class FreecamRotationMode(override val displayName: String, override val description: String) : NamedEnum, Describable {
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None("None", "No rotation changes"),
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LookAtTarget("Look At Target", "Look at the block or entity under your crosshair"),
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KeepRotation("Keep Rotation", "Look in the same direction as the camera");
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}
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}

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