Sword Blocking Mechanics

Calls something that is on Kiln's roadmap. Parts of it may already run.

Evidence

Ran on Kiln's test stand (2026-11-04): SwordBlockingMechanicsFabric did not start: java.lang.NoClassDefFoundError: net/minecraft/core/RegistryAccess; SwordBlockingMechanicsFabricClient did not start: java.lang.NoClassDefFoundError: net/minecraft/core/RegistryAccess.

What it needs from Kiln

an access widener
Mixin
com.mojang.blaze3d.vertex.PoseStack
com.mojang.math.Axis
net.minecraft.client.AttackIndicatorStatus
net.minecraft.client.CameraType
net.minecraft.client.OptionInstance
net.minecraft.client.Options
net.minecraft.client.renderer.FirstPersonHandsAndItemsRenderer
net.minecraft.client.renderer.RenderPipelines
net.minecraft.client.renderer.entity.state.HumanoidRenderState
net.minecraft.client.renderer.item.ItemStackRenderState
net.minecraft.client.renderer.state.level.FirstPersonHandsAndItemsRenderState
net.minecraft.client.renderer.texture.OverlayTexture
net.minecraft.core.component.DataComponents
net.minecraft.tags.DamageTypeTags
net.minecraft.util.Mth
net.minecraft.util.context.ContextKey
net.minecraft.world.damagesource.DamageSource
net.minecraft.world.entity.EquipmentSlot
net.minecraft.world.entity.HumanoidArm
net.minecraft.world.entity.projectile.arrow.AbstractArrow
net.minecraft.world.food.FoodProperties
net.minecraft.world.item.ItemCooldowns
net.minecraft.world.item.ItemUseAnimation
net.minecraft.world.item.enchantment.EnchantmentHelper
net.minecraft.core.RegistryAccess
Minecraft.options
GuiGraphicsExtractor.blit()
LocalPlayer.getMainArm()
LocalPlayer.getUsedItemHand()
LivingEntity.getSoundSource()
LivingEntity.getUseItem()
LivingEntity.getUsedItemHand()
LivingEntity.getViewVector()
LivingEntity.isUsingItem()
LivingEntity.knockback()
LivingEntity.playSound()
LivingEntity.position()
LivingEntity.setItemSlot()
LivingEntity.stopUsingItem()
Player.canEat()
and 15 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

Sword blocking is back! Exactly like it used to be, or different? Your choice!

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file swordblockingmechanics-v26.3.0-mc26.3.x+fabric.jar. The scan reads the mod's classes; it does not run them.

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