GUI Tween

Evidence

Ran on Kiln's test stand (2026-11-04): GUITweenClient did not start: java.lang.NoClassDefFoundError: net/minecraft/server/packs/resources/PreparableReloadListener.

What it needs from Kiln

• Mixin
• net.fabricmc.fabric.api.client.screen.v1.ScreenEvents
• net.fabricmc.fabric.api.client.screen.v1.ScreenEvents.AfterExtract
• net.fabricmc.fabric.api.client.screen.v1.ScreenEvents.AfterTick
• net.fabricmc.fabric.api.client.screen.v1.ScreenEvents.BeforeInit
• net.fabricmc.fabric.api.resource.v1.ResourceLoader
• net.minecraft.client.gui.screens.inventory.AbstractContainerScreen
• net.minecraft.client.gui.screens.inventory.CreativeModeInventoryScreen
• net.minecraft.core.component.DataComponents
• net.minecraft.resources.FileToIdConverter
• net.minecraft.server.packs.PackType
• net.minecraft.server.packs.resources.SimpleJsonResourceReloadListener
• net.minecraft.util.Mth
• net.minecraft.world.entity.player.Inventory
• net.minecraft.world.inventory.AbstractContainerMenu
• net.minecraft.world.inventory.Slot
• net.minecraft.server.packs.resources.PreparableReloadListener
• FabricLoader.isModLoaded()
• Minecraft.getDeltaTracker()
• GuiGraphicsExtractor.pose()
• LocalPlayer.getInventory()
• LocalPlayer.getUsedItemHand()
• LocalPlayer.isUsingItem()
• ItemStack.get()

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

Added some GUI animation effects.

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file guitween-3.4.2-26.3+fabric.jar. The scan reads the mod's classes; it does not run them.