Litematica Zone Focus

Evidence

Ran on Kiln's test stand (2026-11-04): ZoneFocusClient did not start: java.lang.NoClassDefFoundError: net/minecraft/network/chat/ClickEvent.

What it needs from Kiln

• Mixin
• com.mojang.blaze3d.platform.InputConstants.Key
• com.mojang.blaze3d.platform.TextInputManager
• com.mojang.blaze3d.platform.cursor.CursorTypes
• com.mojang.renderpearl.api.pipeline.RenderPipeline
• net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientChunkEvents
• net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientChunkEvents.Load
• net.fabricmc.fabric.api.client.rendering.v1.level.LevelRenderEvents
• net.fabricmc.fabric.api.client.rendering.v1.level.LevelRenderEvents.BeforeGizmos
• net.fabricmc.fabric.api.client.screen.v1.ScreenEvents
• net.fabricmc.fabric.api.client.screen.v1.ScreenEvents.AfterInit
• net.fabricmc.fabric.api.client.screen.v1.Screens
• net.fabricmc.fabric.api.event.player.AttackBlockCallback
• net.fabricmc.fabric.api.event.player.AttackEntityCallback
• net.fabricmc.fabric.api.event.player.UseBlockCallback
• net.minecraft.client.KeyboardHandler
• net.minecraft.client.Options
• net.minecraft.client.Screenshot
• net.minecraft.client.gui.Hud
• net.minecraft.client.gui.components.AbstractWidget
• net.minecraft.client.gui.components.IMEPreeditOverlay
• net.minecraft.client.gui.components.Tooltip
• net.minecraft.client.gui.narration.NarratedElementType
• net.minecraft.client.gui.narration.NarrationElementOutput
• net.minecraft.client.gui.screens.inventory.AbstractContainerScreen
• net.minecraft.client.gui.screens.inventory.CreativeModeInventoryScreen
• net.minecraft.client.gui.screens.inventory.InventoryScreen
• net.minecraft.client.input.CharacterEvent
• net.minecraft.client.input.KeyEvent
• net.minecraft.client.input.MouseButtonEvent
• net.minecraft.client.input.PreeditEvent
• net.minecraft.client.multiplayer.ServerData
• net.minecraft.client.renderer.RenderPipelines
• net.minecraft.client.resources.sounds.SimpleSoundInstance
• net.minecraft.client.server.IntegratedServer
• net.minecraft.client.sounds.SoundEngine
• net.minecraft.client.sounds.SoundEngine.PlayResult
• net.minecraft.client.sounds.SoundManager
• net.minecraft.core.BlockPos.MutableBlockPos
• net.minecraft.core.Direction.Axis
• net.minecraft.gizmos.GizmoProperties
• and 53 more

On the roadmap: Minecraft's libraries and client API (0.2), Code next to data (0.3), Machines (0.4), Mixin (0.5)

In the author's words

Breaks scheme into zones, searches for incorrectly placed blocks in real time, and improves performance.

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file litematica-zone-focus-0.1.2+26.3.jar. The scan reads the mod's classes; it does not run them.