Capture & Playback

Evidence

Ran on Kiln's test stand (2026-11-04): CapturePlaybackMod did not start: java.lang.NoClassDefFoundError: org/apache/logging/log4j/LogManager.

What it needs from Kiln

• Mixin
• com.mojang.authlib.GameProfile
• io.netty.buffer.ByteBuf
• io.netty.buffer.Unpooled
• net.minecraft.client.Camera
• net.minecraft.client.Options
• net.minecraft.client.input.InputQuirks
• net.minecraft.client.multiplayer.PlayerInfo
• net.minecraft.client.renderer.GameRenderer
• net.minecraft.commands.CommandSourceStack
• net.minecraft.commands.Commands
• net.minecraft.commands.arguments.IdentifierArgument
• net.minecraft.commands.arguments.coordinates.BlockPosArgument
• net.minecraft.core.ClientAsset
• net.minecraft.core.ClientAsset.Texture
• net.minecraft.network.chat.ClickEvent
• net.minecraft.network.chat.ClickEvent.SuggestCommand
• net.minecraft.network.chat.ComponentUtils
• net.minecraft.network.chat.HoverEvent
• net.minecraft.network.chat.HoverEvent.ShowText
• net.minecraft.network.chat.Style
• net.minecraft.server.permissions.PermissionSet
• net.minecraft.util.Util
• net.minecraft.world.entity.player.PlayerSkin
• net.minecraft.world.level.block.piston.PistonBaseBlock
• net.minecraft.world.phys.HitResult.Type
• org.apache.commons.lang3.StringUtils
• org.apache.logging.log4j.LogManager
• org.apache.logging.log4j.Logger
• org.lwjgl.sdl.SDLScancode
• Minecraft.gameRenderer
• Minecraft.hitResult
• Minecraft.options
• ClientPacketListener.getOnlinePlayers()
• BlockPos.compareTo()
• Direction.get3DDataValue()
• MutableComponent.withStyle()
• Player.permissions()
• Blocks.ACACIA_DOOR
• Blocks.ACACIA_FENCE_GATE
• Blocks.ACACIA_TRAPDOOR
• and 41 more

On the roadmap: Minecraft's libraries and client API (0.2), Code next to data (0.3), Mixin (0.5)

In the author's words

A fully fledged in-game editor for creating, recording, and real time playback of redstone sequences.

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file g4mespeed-capture-playback-0.8.0-beta-mc26.3.jar. The scan reads the mod's classes; it does not run them.