[RPT] Resource Packs Tweaks

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

Evidence

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

What it needs from Kiln

an access widener
Mixin
com.mojang.blaze3d.vertex.PoseStack
com.mojang.blaze3d.vertex.PoseStack.Pose
net.fabricmc.fabric.api.resource.IdentifiableResourceReloadListener
net.fabricmc.fabric.api.resource.ResourceManagerHelper
net.minecraft.client.model.HumanoidModel
net.minecraft.client.model.HumanoidModel.ArmPose
net.minecraft.client.model.geom.ModelPart
net.minecraft.client.multiplayer.ClientLevel.ClientLevelData
net.minecraft.client.player.AbstractClientPlayer
net.minecraft.client.renderer.entity.state.AvatarRenderState
net.minecraft.client.renderer.entity.state.HumanoidRenderState
net.minecraft.client.renderer.item.ClientItem
net.minecraft.client.renderer.item.CuboidItemModelWrapper
net.minecraft.client.renderer.item.CuboidItemModelWrapper.Unbaked
net.minecraft.client.renderer.item.EmptyModel
net.minecraft.client.renderer.item.ItemModel
net.minecraft.client.renderer.item.ItemModel.BakingContext
net.minecraft.client.renderer.item.ItemModel.Unbaked
net.minecraft.client.renderer.item.ItemModels
net.minecraft.client.renderer.item.properties.select.SelectItemModelProperty
net.minecraft.client.resources.model.ModelDiscovery
net.minecraft.client.resources.model.cuboid.ItemTransform
net.minecraft.core.component.DataComponents
net.minecraft.resources.FileToIdConverter
net.minecraft.server.packs.PackType
net.minecraft.server.packs.resources.PreparableReloadListener
net.minecraft.server.packs.resources.PreparableReloadListener.PreparationBarrier
net.minecraft.server.packs.resources.PreparableReloadListener.SharedState
net.minecraft.server.packs.resources.Resource
net.minecraft.server.packs.resources.SimplePreparableReloadListener
net.minecraft.util.ExtraCodecs
net.minecraft.util.ExtraCodecs.LateBoundIdMapper
net.minecraft.util.StrictJsonParser
net.minecraft.util.Util
net.minecraft.world.TickRateManager
net.minecraft.world.attribute.EnvironmentAttributeSystem
net.minecraft.world.attribute.EnvironmentAttributes
net.minecraft.world.entity.AgeableMob
net.minecraft.world.entity.HumanoidArm
net.minecraft.world.entity.ItemOwner
and 48 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

Some useful tweaks for resource pack's items

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file RPT-1.3.6-beta-26.3-universal.jar. The scan reads the mod's classes; it does not run them.

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