Re-add REI

17 files changed, 599 insertions, 614 deletions

diff --git a/src/compat/rei/java/moe/nea/firmament/compat/rei/EntityWidget.kt b/src/compat/rei/java/moe/nea/firmament/compat/rei/EntityWidget.kt
index 9b7b190..b0efc98 100644
--- a/src/compat/rei/java/moe/nea/firmament/compat/rei/EntityWidget.kt
+++ b/src/compat/rei/java/moe/nea/firmament/compat/rei/EntityWidget.kt
@@ -4,32 +4,32 @@ import me.shedaniel.math.Dimension
 import me.shedaniel.math.Point
 import me.shedaniel.math.Rectangle
 import me.shedaniel.rei.api.client.gui.widgets.WidgetWithBounds
-import moe.nea.firmament.gui.entity.EntityRenderer
 import net.minecraft.client.gui.DrawContext
 import net.minecraft.client.gui.Element
 import net.minecraft.entity.LivingEntity
+import moe.nea.firmament.gui.entity.EntityRenderer
 
 class EntityWidget(val entity: LivingEntity, val point: Point) : WidgetWithBounds() {
-    override fun children(): List<Element> {
-        return emptyList()
-    }
+	override fun children(): List<Element> {
+		return emptyList()
+	}
 
-    var hasErrored = false
+	var hasErrored = false
 
-    override fun render(context: DrawContext, mouseX: Int, mouseY: Int, delta: Float) {
-        try {
-            if (!hasErrored)
-	            EntityRenderer.renderEntity(entity, context, point.x, point.y, mouseX.toFloat(), mouseY.toFloat())
-        } catch (ex: Exception) {
-            EntityRenderer.logger.error("Failed to render constructed entity: $entity", ex)
-            hasErrored = true
-        }
-        if (hasErrored) {
-            context.fill(point.x, point.y, point.x + 50, point.y + 80, 0xFFAA2222.toInt())
-        }
-    }
+	override fun render(context: DrawContext, mouseX: Int, mouseY: Int, delta: Float) {
+		try {
+			if (!hasErrored)
+				EntityRenderer.renderEntity(entity, context, point.x, point.y, mouseX.toFloat(), mouseY.toFloat())
+		} catch (ex: Exception) {
+			EntityRenderer.logger.error("Failed to render constructed entity: $entity", ex)
+			hasErrored = true
+		}
+		if (hasErrored) {
+			context.fill(point.x, point.y, point.x + 50, point.y + 80, 0xFFAA2222.toInt())
+		}
+	}
 
-    override fun getBounds(): Rectangle {
-        return Rectangle(point, Dimension(50, 80))
-    }
+	override fun getBounds(): Rectangle {
+		return Rectangle(point, Dimension(50, 80))
+	}
 }
diff --git a/src/compat/rei/java/moe/nea/firmament/compat/rei/FirmamentReiCommonPlugin.kt b/src/compat/rei/java/moe/nea/firmament/compat/rei/FirmamentReiCommonPlugin.kt
new file mode 100644
index 0000000..98ac276
--- /dev/null
+++ b/src/compat/rei/java/moe/nea/firmament/compat/rei/FirmamentReiCommonPlugin.kt
@@ -0,0 +1,10 @@
+package moe.nea.firmament.compat.rei
+
+import me.shedaniel.rei.api.common.entry.type.EntryTypeRegistry
+import me.shedaniel.rei.api.common.plugins.REICommonPlugin
+
+class FirmamentReiCommonPlugin : REICommonPlugin {
+	override fun registerEntryTypes(registry: EntryTypeRegistry) {
+		registry.register(FirmamentReiPlugin.SKYBLOCK_ITEM_TYPE_ID, SBItemEntryDefinition)
+	}
+}
diff --git a/src/compat/rei/java/moe/nea/firmament/compat/rei/FirmamentReiPlugin.kt b/src/compat/rei/java/moe/nea/firmament/compat/rei/FirmamentReiPlugin.kt
index d95d2d1..f576eda 100644
--- a/src/compat/rei/java/moe/nea/firmament/compat/rei/FirmamentReiPlugin.kt
+++ b/src/compat/rei/java/moe/nea/firmament/compat/rei/FirmamentReiPlugin.kt
@@ -11,7 +11,6 @@ import me.shedaniel.rei.api.client.registry.screen.ScreenRegistry
 import me.shedaniel.rei.api.client.registry.transfer.TransferHandler
 import me.shedaniel.rei.api.client.registry.transfer.TransferHandlerRegistry
 import me.shedaniel.rei.api.common.entry.EntryStack
-import me.shedaniel.rei.api.common.entry.type.EntryTypeRegistry
 import me.shedaniel.rei.api.common.entry.type.VanillaEntryTypes
 import net.minecraft.client.gui.screen.Screen
 import net.minecraft.client.gui.screen.ingame.GenericContainerScreen
@@ -20,18 +19,17 @@ import net.minecraft.item.ItemStack
 import net.minecraft.text.Text
 import net.minecraft.util.ActionResult
 import net.minecraft.util.Identifier
-import moe.nea.firmament.events.HandledScreenPushREIEvent
-import moe.nea.firmament.features.inventory.CraftingOverlay
-import moe.nea.firmament.features.inventory.storageoverlay.StorageOverlayScreen
 import moe.nea.firmament.compat.rei.recipes.SBCraftingRecipe
 import moe.nea.firmament.compat.rei.recipes.SBEssenceUpgradeRecipe
 import moe.nea.firmament.compat.rei.recipes.SBForgeRecipe
 import moe.nea.firmament.compat.rei.recipes.SBKatRecipe
 import moe.nea.firmament.compat.rei.recipes.SBMobDropRecipe
+import moe.nea.firmament.events.HandledScreenPushREIEvent
+import moe.nea.firmament.features.inventory.CraftingOverlay
+import moe.nea.firmament.features.inventory.storageoverlay.StorageOverlayScreen
 import moe.nea.firmament.repo.RepoManager
 import moe.nea.firmament.repo.SBItemStack
 import moe.nea.firmament.util.MC
-import moe.nea.firmament.util.ScreenUtil
 import moe.nea.firmament.util.SkyblockId
 import moe.nea.firmament.util.guessRecipeId
 import moe.nea.firmament.util.skyblockId
@@ -74,9 +72,6 @@ class FirmamentReiPlugin : REIClientPlugin {
 		})
 	}
 
-	override fun registerEntryTypes(registry: EntryTypeRegistry) {
-		registry.register(SKYBLOCK_ITEM_TYPE_ID, SBItemEntryDefinition)
-	}
 
 	override fun registerCategories(registry: CategoryRegistry) {
 		registry.add(SBCraftingRecipe.Category)
diff --git a/src/compat/rei/java/moe/nea/firmament/compat/rei/HoveredItemStackProvider.kt b/src/compat/rei/java/moe/nea/firmament/compat/rei/HoveredItemStackProvider.kt
index 3d21b66..b917c3e 100644
--- a/src/compat/rei/java/moe/nea/firmament/compat/rei/HoveredItemStackProvider.kt
+++ b/src/compat/rei/java/moe/nea/firmament/compat/rei/HoveredItemStackProvider.kt
@@ -21,6 +21,7 @@ class ScreenRegistryHoveredItemStackProvider : HoveredItemStackProvider {
 		return entryStack.value as? ItemStack ?: entryStack.cheatsAs().value
 	}
 }
+
 @AutoService(HoveredItemStackProvider::class)
 @CompatLoader.RequireMod("roughlyenoughitems")
 class OverlayHoveredItemStackProvider : HoveredItemStackProvider {
diff --git a/src/compat/rei/java/moe/nea/firmament/compat/rei/NEUItemEntryRenderer.kt b/src/compat/rei/java/moe/nea/firmament/compat/rei/NEUItemEntryRenderer.kt
index a02742b..da0b645 100644
--- a/src/compat/rei/java/moe/nea/firmament/compat/rei/NEUItemEntryRenderer.kt
+++ b/src/compat/rei/java/moe/nea/firmament/compat/rei/NEUItemEntryRenderer.kt
@@ -25,163 +25,120 @@ import net.minecraft.client.render.LightmapTextureManager
 import net.minecraft.client.render.OverlayTexture
 import net.minecraft.client.render.VertexConsumerProvider
 import net.minecraft.client.render.model.BakedModel
-import net.minecraft.client.render.model.json.ModelTransformationMode
 import net.minecraft.client.texture.SpriteAtlasTexture
 import net.minecraft.item.Item
-import net.minecraft.item.ItemStack
+import net.minecraft.item.ModelTransformationMode
 import net.minecraft.item.tooltip.TooltipType
 import moe.nea.firmament.compat.rei.FirmamentReiPlugin.Companion.asItemEntry
 import moe.nea.firmament.repo.SBItemStack
+import moe.nea.firmament.util.MC
 
 object NEUItemEntryRenderer : EntryRenderer<SBItemStack>, BatchedEntryRenderer<SBItemStack, BakedModel> {
-    override fun render(
-        entry: EntryStack<SBItemStack>,
-        context: DrawContext,
-        bounds: Rectangle,
-        mouseX: Int,
-        mouseY: Int,
-        delta: Float
-    ) {
-        entry.asItemEntry().render(context, bounds, mouseX, mouseY, delta)
-    }
-
-    val minecraft = MinecraftClient.getInstance()
-
-    override fun getTooltip(entry: EntryStack<SBItemStack>, tooltipContext: TooltipContext): Tooltip? {
-        val stack = entry.value.asImmutableItemStack()
-        val lore = stack.getTooltip(
-            Item.TooltipContext.DEFAULT,
-            null,
-            TooltipType.BASIC
-        )
-        return Tooltip.create(lore)
-    }
-
-    override fun getExtraData(entry: EntryStack<SBItemStack>): BakedModel {
-        return minecraft.itemRenderer.getModel(entry.asItemEntry().value, minecraft.world, minecraft.player, 0)
-    }
-
-    override fun getBatchIdentifier(entry: EntryStack<SBItemStack>?, bounds: Rectangle?, extraData: BakedModel): Int {
-        return 1738923 + if (extraData.isSideLit) 1 else 0
-    }
-
-    override fun startBatch(
-        entry: EntryStack<SBItemStack>,
-        model: BakedModel,
-        graphics: DrawContext,
-        delta: Float
-    ) {
-        val modelViewStack = RenderSystem.getModelViewStack()
-        modelViewStack.pushMatrix()
-        modelViewStack.scale(20.0f, 20.0f, 1.0f)
-        RenderSystem.applyModelViewMatrix()
-        setupGL(model)
-    }
-
-    fun setupGL(model: BakedModel) {
-        minecraft.textureManager.getTexture(SpriteAtlasTexture.BLOCK_ATLAS_TEXTURE)
-            .setFilter(false, false)
-        RenderSystem.setShaderTexture(0, SpriteAtlasTexture.BLOCK_ATLAS_TEXTURE)
-        RenderSystem.enableBlend()
-        RenderSystem.blendFunc(SrcFactor.SRC_ALPHA, DstFactor.ONE_MINUS_SRC_ALPHA)
-        RenderSystem.setShaderColor(1.0f, 1.0f, 1.0f, 1.0f)
-        val sideLit = model.isSideLit
-        if (!sideLit) {
-            DiffuseLighting.disableGuiDepthLighting()
-        }
-    }
-
-    override fun renderBase(
-        entry: EntryStack<SBItemStack>,
-        model: BakedModel,
-        graphics: DrawContext,
-        immediate: VertexConsumerProvider.Immediate,
-        bounds: Rectangle,
-        mouseX: Int,
-        mouseY: Int,
-        delta: Float
-    ) {
-        if (entry.isEmpty) return
-        val value = entry.asItemEntry().value
-        graphics.matrices.push()
-        graphics.matrices.translate(bounds.centerX.toFloat() / 20.0f, bounds.centerY.toFloat() / 20.0f, 0.0f)
-        graphics.matrices.scale(
-            bounds.getWidth().toFloat() / 20.0f,
-            -(bounds.getWidth() + bounds.getHeight()).toFloat() / 2.0f / 20.0f,
-            1.0f
-        )
-        minecraft
-            .itemRenderer
-            .renderItem(
-                value,
-                ModelTransformationMode.GUI,
-                false,
-                graphics.matrices,
-                immediate,
-                LightmapTextureManager.MAX_LIGHT_COORDINATE,
-                OverlayTexture.DEFAULT_UV,
-                model
-            )
-        graphics.matrices.pop()
-
-    }
-
-    override fun afterBase(
-        entry: EntryStack<SBItemStack>,
-        model: BakedModel,
-        graphics: DrawContext,
-        delta: Float
-    ) {
-        RenderSystem.getModelViewStack().popMatrix()
-        RenderSystem.applyModelViewMatrix()
-        this.endGL(model)
-    }
-
-    fun endGL(model: BakedModel) {
-        RenderSystem.enableDepthTest()
-        val sideLit = model.isSideLit
-        if (!sideLit) {
-            DiffuseLighting.enableGuiDepthLighting()
-        }
-    }
-
-    override fun renderOverlay(
-        entry: EntryStack<SBItemStack>,
-        extraData: BakedModel,
-        graphics: DrawContext,
-        immediate: VertexConsumerProvider.Immediate,
-        bounds: Rectangle,
-        mouseX: Int,
-        mouseY: Int,
-        delta: Float
-    ) {
-        val modelViewStack = RenderSystem.getModelViewStack()
-        modelViewStack.pushMatrix()
-        modelViewStack.mul(graphics.matrices.peek().positionMatrix)
-        modelViewStack.translate(bounds.x.toFloat(), bounds.y.toFloat(), 0.0f)
-        modelViewStack.scale(
-            bounds.width.toFloat() / 16.0f,
-            -(bounds.getWidth() + bounds.getHeight()).toFloat() / 2.0f / 16.0f,
-            1.0f
-        )
-        RenderSystem.applyModelViewMatrix()
-        renderOverlay(DrawContext(minecraft, graphics.vertexConsumers), entry.asItemEntry())
-        modelViewStack.popMatrix()
-        RenderSystem.applyModelViewMatrix()
-    }
-
-    fun renderOverlay(graphics: DrawContext, entry: EntryStack<ItemStack>) {
-        if (!entry.isEmpty) {
-            graphics.drawItemInSlot(MinecraftClient.getInstance().textRenderer, entry.value, 0, 0, null)
-        }
-    }
-
-    override fun endBatch(
-        entry: EntryStack<SBItemStack>?,
-        extraData: BakedModel?,
-        graphics: DrawContext?,
-        delta: Float
-    ) {
-    }
+	override fun render(
+		entry: EntryStack<SBItemStack>,
+		context: DrawContext,
+		bounds: Rectangle,
+		mouseX: Int,
+		mouseY: Int,
+		delta: Float
+	) {
+		entry.asItemEntry().render(context, bounds, mouseX, mouseY, delta)
+	}
+
+	val minecraft = MinecraftClient.getInstance()
+
+	override fun getTooltip(entry: EntryStack<SBItemStack>, tooltipContext: TooltipContext): Tooltip? {
+		val stack = entry.value.asImmutableItemStack()
+		val lore = stack.getTooltip(
+			Item.TooltipContext.DEFAULT,
+			null,
+			TooltipType.BASIC
+		)
+		return Tooltip.create(lore)
+	}
+
+	override fun getExtraData(entry: EntryStack<SBItemStack>): BakedModel {
+		return MC.itemRenderer.getModel(entry.asItemEntry().value,
+		                                MC.world,
+		                                MC.player, 0)
+
+	}
+
+	override fun getBatchIdentifier(entry: EntryStack<SBItemStack>, bounds: Rectangle?, extraData: BakedModel): Int {
+		return 1738923 + if (extraData.isSideLit) 1 else 0
+	}
+
+
+	override fun startBatch(entryStack: EntryStack<SBItemStack>, e: BakedModel, drawContext: DrawContext, v: Float) {
+		MC.textureManager.getTexture(SpriteAtlasTexture.BLOCK_ATLAS_TEXTURE)
+			.setFilter(false, false)
+		RenderSystem.setShaderTexture(0, SpriteAtlasTexture.BLOCK_ATLAS_TEXTURE)
+		RenderSystem.enableBlend()
+		RenderSystem.blendFunc(SrcFactor.SRC_ALPHA, DstFactor.ONE_MINUS_SRC_ALPHA)
+		RenderSystem.setShaderColor(1.0f, 1.0f, 1.0f, 1.0f)
+		if (!e.isSideLit) {
+			DiffuseLighting.disableGuiDepthLighting()
+		}
+	}
+
+	override fun renderBase(
+		entryStack: EntryStack<SBItemStack>,
+		model: BakedModel,
+		drawContext: DrawContext,
+		immediate: VertexConsumerProvider.Immediate,
+		bounds: Rectangle,
+		i: Int,
+		i1: Int,
+		v: Float
+	) {
+		if (entryStack.isEmpty) return
+		drawContext.matrices.push()
+		drawContext.matrices.translate(bounds.centerX.toDouble(), bounds.centerY.toDouble(), 0.0)
+		// TODO: check the scaling here again
+		drawContext.matrices.scale(
+			bounds.width.toFloat(),
+			(bounds.height + bounds.height) / -2F,
+			(bounds.width + bounds.height) / 2f)
+		MC.itemRenderer.renderItem(
+			entryStack.value.asImmutableItemStack(),
+			ModelTransformationMode.GUI,
+			false, drawContext.matrices,
+			immediate, LightmapTextureManager.MAX_LIGHT_COORDINATE,
+			OverlayTexture.DEFAULT_UV,
+			model
+		)
+		drawContext.matrices.pop()
+	}
+
+	override fun afterBase(entryStack: EntryStack<SBItemStack>?, e: BakedModel, drawContext: DrawContext?, v: Float) {
+		RenderSystem.enableDepthTest()
+		if (!e.isSideLit)
+			DiffuseLighting.enableGuiDepthLighting()
+	}
+
+	override fun renderOverlay(
+		entryStack: EntryStack<SBItemStack>,
+		e: BakedModel,
+		drawContext: DrawContext,
+		immediate: VertexConsumerProvider.Immediate,
+		bounds: Rectangle,
+		i: Int,
+		i1: Int,
+		v: Float
+	) {
+		if (entryStack.isEmpty) return
+		val modelViewStack = RenderSystem.getModelViewStack()
+		modelViewStack.pushMatrix()
+		modelViewStack.mul(drawContext.matrices.peek().positionMatrix)
+		modelViewStack.translate(bounds.x.toFloat(), bounds.y.toFloat(), 0F)
+		modelViewStack.scale(bounds.width / 16.0f,
+		                     (bounds.width + bounds.height) / 2.0f / 16.0f,
+		                     1.0f) // TODO: weird scale again
+		drawContext.drawStackOverlay(MC.font, entryStack.value.asImmutableItemStack(), 0, 0, null)
+		modelViewStack.popMatrix()
+	}
+
+	override fun endBatch(entryStack: EntryStack<SBItemStack>?, e: BakedModel?, drawContext: DrawContext?, v: Float) {
+	}
 
 }
diff --git a/src/compat/rei/java/moe/nea/firmament/compat/rei/NEUItemEntrySerializer.kt b/src/compat/rei/java/moe/nea/firmament/compat/rei/NEUItemEntrySerializer.kt
index 6a03a48..724d193 100644
--- a/src/compat/rei/java/moe/nea/firmament/compat/rei/NEUItemEntrySerializer.kt
+++ b/src/compat/rei/java/moe/nea/firmament/compat/rei/NEUItemEntrySerializer.kt
@@ -1,30 +1,17 @@
-
-
 package moe.nea.firmament.compat.rei
 
+import com.mojang.serialization.Codec
 import me.shedaniel.rei.api.common.entry.EntrySerializer
-import me.shedaniel.rei.api.common.entry.EntryStack
-import net.minecraft.nbt.NbtCompound
+import net.minecraft.network.RegistryByteBuf
+import net.minecraft.network.codec.PacketCodec
 import moe.nea.firmament.repo.SBItemStack
-import moe.nea.firmament.util.SkyblockId
 
 object NEUItemEntrySerializer : EntrySerializer<SBItemStack> {
-    const val SKYBLOCK_ID_ENTRY = "SKYBLOCK_ID"
-    const val SKYBLOCK_ITEM_COUNT = "SKYBLOCK_ITEM_COUNT"
-
-    override fun supportSaving(): Boolean = true
-    override fun supportReading(): Boolean = true
-
-    override fun read(tag: NbtCompound): SBItemStack {
-        val id = SkyblockId(tag.getString(SKYBLOCK_ID_ENTRY))
-        val count = if (tag.contains(SKYBLOCK_ITEM_COUNT)) tag.getInt(SKYBLOCK_ITEM_COUNT) else 1
-        return SBItemStack(id, count)
-    }
+	override fun codec(): Codec<SBItemStack> {
+		return SBItemStack.CODEC
+	}
 
-    override fun save(entry: EntryStack<SBItemStack>, value: SBItemStack): NbtCompound {
-        return NbtCompound().apply {
-            putString(SKYBLOCK_ID_ENTRY, value.skyblockId.neuItem)
-            putInt(SKYBLOCK_ITEM_COUNT, value.getStackSize())
-        }
-    }
+	override fun streamCodec(): PacketCodec<RegistryByteBuf, SBItemStack> {
+		return SBItemStack.PACKET_CODEC.cast()
+	}
 }
diff --git a/src/compat/rei/java/moe/nea/firmament/compat/rei/math.kt b/src/compat/rei/java/moe/nea/firmament/compat/rei/math.kt
index 7db36f2..f4808c7 100644
--- a/src/compat/rei/java/moe/nea/firmament/compat/rei/math.kt
+++ b/src/compat/rei/java/moe/nea/firmament/compat/rei/math.kt
@@ -1,10 +1,8 @@
-
-
 package moe.nea.firmament.compat.rei
 
 import me.shedaniel.math.Point
 
 operator fun Point.plus(other: Point): Point = Point(
-    this.x + other.x,
-    this.y + other.y,
+	this.x + other.x,
+	this.y + other.y,
 )
diff --git a/src/compat/rei/java/moe/nea/firmament/compat/rei/recipes/SBCraftingRecipe.kt b/src/compat/rei/java/moe/nea/firmament/compat/rei/recipes/SBCraftingRecipe.kt
index ed18c6e..fd04abc 100644
--- a/src/compat/rei/java/moe/nea/firmament/compat/rei/recipes/SBCraftingRecipe.kt
+++ b/src/compat/rei/java/moe/nea/firmament/compat/rei/recipes/SBCraftingRecipe.kt
@@ -1,5 +1,3 @@
-
-
 package moe.nea.firmament.compat.rei.recipes
 
 import io.github.moulberry.repo.data.NEUCraftingRecipe
@@ -11,6 +9,8 @@ import me.shedaniel.rei.api.client.gui.widgets.Widget
 import me.shedaniel.rei.api.client.gui.widgets.Widgets
 import me.shedaniel.rei.api.client.registry.display.DisplayCategory
 import me.shedaniel.rei.api.common.category.CategoryIdentifier
+import me.shedaniel.rei.api.common.display.Display
+import me.shedaniel.rei.api.common.display.DisplaySerializer
 import me.shedaniel.rei.api.common.util.EntryStacks
 import net.minecraft.block.Blocks
 import net.minecraft.text.Text
@@ -18,38 +18,38 @@ import moe.nea.firmament.Firmament
 import moe.nea.firmament.compat.rei.SBItemEntryDefinition
 
 class SBCraftingRecipe(override val neuRecipe: NEUCraftingRecipe) : SBRecipe() {
-    override fun getCategoryIdentifier(): CategoryIdentifier<*> = Category.catIdentifier
-
-    object Category : DisplayCategory<SBCraftingRecipe> {
-        val catIdentifier = CategoryIdentifier.of<SBCraftingRecipe>(Firmament.MOD_ID, "crafing_recipe")
-        override fun getCategoryIdentifier(): CategoryIdentifier<out SBCraftingRecipe> = catIdentifier
-
-        override fun getTitle(): Text = Text.literal("SkyBlock Crafting")
-
-        override fun getIcon(): Renderer = EntryStacks.of(Blocks.CRAFTING_TABLE)
-        override fun setupDisplay(display: SBCraftingRecipe, bounds: Rectangle): List<Widget> {
-            val point = Point(bounds.centerX - 58, bounds.centerY - 27)
-            return buildList {
-                add(Widgets.createRecipeBase(bounds))
-                add(Widgets.createArrow(Point(point.x + 60, point.y + 18)))
-                add(Widgets.createResultSlotBackground(Point(point.x + 95, point.y + 19)))
-                for (i in 0 until 3) {
-                    for (j in 0 until 3) {
-                        val slot = Widgets.createSlot(Point(point.x + 1 + i * 18, point.y + 1 + j * 18)).markInput()
-                        add(slot)
-                        val item = display.neuRecipe.inputs[i + j * 3]
-                        if (item == NEUIngredient.SENTINEL_EMPTY) continue
-                        slot.entry(SBItemEntryDefinition.getEntry(item)) // TODO: make use of stackable item entries
-                    }
-                }
-                add(
-                    Widgets.createSlot(Point(point.x + 95, point.y + 19))
-                        .entry(SBItemEntryDefinition.getEntry(display.neuRecipe.output))
-                        .disableBackground().markOutput()
-                )
-            }
-        }
-
-    }
+	override fun getCategoryIdentifier(): CategoryIdentifier<*> = Category.catIdentifier
+
+	object Category : DisplayCategory<SBCraftingRecipe> {
+		val catIdentifier = CategoryIdentifier.of<SBCraftingRecipe>(Firmament.MOD_ID, "crafing_recipe")
+		override fun getCategoryIdentifier(): CategoryIdentifier<out SBCraftingRecipe> = catIdentifier
+
+		override fun getTitle(): Text = Text.literal("SkyBlock Crafting")
+
+		override fun getIcon(): Renderer = EntryStacks.of(Blocks.CRAFTING_TABLE)
+		override fun setupDisplay(display: SBCraftingRecipe, bounds: Rectangle): List<Widget> {
+			val point = Point(bounds.centerX - 58, bounds.centerY - 27)
+			return buildList {
+				add(Widgets.createRecipeBase(bounds))
+				add(Widgets.createArrow(Point(point.x + 60, point.y + 18)))
+				add(Widgets.createResultSlotBackground(Point(point.x + 95, point.y + 19)))
+				for (i in 0 until 3) {
+					for (j in 0 until 3) {
+						val slot = Widgets.createSlot(Point(point.x + 1 + i * 18, point.y + 1 + j * 18)).markInput()
+						add(slot)
+						val item = display.neuRecipe.inputs[i + j * 3]
+						if (item == NEUIngredient.SENTINEL_EMPTY) continue
+						slot.entry(SBItemEntryDefinition.getEntry(item)) // TODO: make use of stackable item entries
+					}
+				}
+				add(
+					Widgets.createSlot(Point(point.x + 95, point.y + 19))
+						.entry(SBItemEntryDefinition.getEntry(display.neuRecipe.output))
+						.disableBackground().markOutput()
+				)
+			}
+		}
+
+	}
 
 }
diff --git a/src/compat/rei/java/moe/nea/firmament/compat/rei/recipes/SBEssenceUpgradeRecipe.kt b/src/compat/rei/java/moe/nea/firmament/compat/rei/recipes/SBEssenceUpgradeRecipe.kt
index f81d529..ec71ec8 100644
--- a/src/compat/rei/java/moe/nea/firmament/compat/rei/recipes/SBEssenceUpgradeRecipe.kt
+++ b/src/compat/rei/java/moe/nea/firmament/compat/rei/recipes/SBEssenceUpgradeRecipe.kt
@@ -1,4 +1,3 @@
-
 package moe.nea.firmament.compat.rei.recipes
 
 import me.shedaniel.math.Point
@@ -16,47 +15,47 @@ import moe.nea.firmament.repo.SBItemStack
 import moe.nea.firmament.util.SkyblockId
 
 class SBEssenceUpgradeRecipe(override val neuRecipe: EssenceRecipeProvider.EssenceUpgradeRecipe) : SBRecipe() {
-    object Category : DisplayCategory<SBEssenceUpgradeRecipe> {
-        override fun getCategoryIdentifier(): CategoryIdentifier<SBEssenceUpgradeRecipe> =
-            CategoryIdentifier.of(Firmament.MOD_ID, "essence_upgrade")
+	object Category : DisplayCategory<SBEssenceUpgradeRecipe> {
+		override fun getCategoryIdentifier(): CategoryIdentifier<SBEssenceUpgradeRecipe> =
+			CategoryIdentifier.of(Firmament.MOD_ID, "essence_upgrade")
 
-        override fun getTitle(): Text {
-            return Text.literal("Essence Upgrades")
-        }
+		override fun getTitle(): Text {
+			return Text.literal("Essence Upgrades")
+		}
 
-        override fun getIcon(): Renderer {
-            return SBItemEntryDefinition.getEntry(SkyblockId("ESSENCE_WITHER"))
-        }
+		override fun getIcon(): Renderer {
+			return SBItemEntryDefinition.getEntry(SkyblockId("ESSENCE_WITHER"))
+		}
 
-        override fun setupDisplay(display: SBEssenceUpgradeRecipe, bounds: Rectangle): List<Widget> {
-            val recipe = display.neuRecipe
-            val list = mutableListOf<Widget>()
-            list.add(Widgets.createRecipeBase(bounds))
-            list.add(Widgets.createSlot(Point(bounds.minX + 12, bounds.centerY - 8 - 18 / 2))
-                         .markInput()
-                         .entry(SBItemEntryDefinition.getEntry(SBItemStack(recipe.itemId).copy(stars = recipe.starCountAfter - 1))))
-            list.add(Widgets.createSlot(Point(bounds.minX + 12, bounds.centerY - 8 + 18 / 2))
-                         .markInput()
-                         .entry(SBItemEntryDefinition.getEntry(recipe.essenceIngredient)))
-            list.add(Widgets.createSlot(Point(bounds.maxX - 12 - 16, bounds.centerY - 8))
-                         .markOutput()
-                         .entry(SBItemEntryDefinition.getEntry(SBItemStack(recipe.itemId).copy(stars = recipe.starCountAfter))))
-            val extraItems = recipe.extraItems
-            list.add(Widgets.createArrow(Point(bounds.centerX - 24 / 2,
-                                               if (extraItems.isEmpty()) bounds.centerY - 17 / 2
-                                               else bounds.centerY + 18 / 2)))
-            for ((index, item) in extraItems.withIndex()) {
-                list.add(Widgets.createSlot(
-                    Point(bounds.centerX - extraItems.size * 16 / 2 - 2 / 2 + index * 18,
-                          bounds.centerY - 18 / 2))
-                             .markInput()
-                             .entry(SBItemEntryDefinition.getEntry(item)))
-            }
-            return list
-        }
-    }
+		override fun setupDisplay(display: SBEssenceUpgradeRecipe, bounds: Rectangle): List<Widget> {
+			val recipe = display.neuRecipe
+			val list = mutableListOf<Widget>()
+			list.add(Widgets.createRecipeBase(bounds))
+			list.add(Widgets.createSlot(Point(bounds.minX + 12, bounds.centerY - 8 - 18 / 2))
+				         .markInput()
+				         .entry(SBItemEntryDefinition.getEntry(SBItemStack(recipe.itemId).copy(stars = recipe.starCountAfter - 1))))
+			list.add(Widgets.createSlot(Point(bounds.minX + 12, bounds.centerY - 8 + 18 / 2))
+				         .markInput()
+				         .entry(SBItemEntryDefinition.getEntry(recipe.essenceIngredient)))
+			list.add(Widgets.createSlot(Point(bounds.maxX - 12 - 16, bounds.centerY - 8))
+				         .markOutput()
+				         .entry(SBItemEntryDefinition.getEntry(SBItemStack(recipe.itemId).copy(stars = recipe.starCountAfter))))
+			val extraItems = recipe.extraItems
+			list.add(Widgets.createArrow(Point(bounds.centerX - 24 / 2,
+			                                   if (extraItems.isEmpty()) bounds.centerY - 17 / 2
+			                                   else bounds.centerY + 18 / 2)))
+			for ((index, item) in extraItems.withIndex()) {
+				list.add(Widgets.createSlot(
+					Point(bounds.centerX - extraItems.size * 16 / 2 - 2 / 2 + index * 18,
+					      bounds.centerY - 18 / 2))
+					         .markInput()
+					         .entry(SBItemEntryDefinition.getEntry(item)))
+			}
+			return list
+		}
+	}
 
-    override fun getCategoryIdentifier(): CategoryIdentifier<*> {
-        return Category.categoryIdentifier
-    }
+	override fun getCategoryIdentifier(): CategoryIdentifier<*> {
+		return Category.categoryIdentifier
+	}
 }
diff --git a/src/compat/rei/java/moe/nea/firmament/compat/rei/recipes/SBForgeRecipe.kt b/src/compat/rei/java/moe/nea/firmament/compat/rei/recipes/SBForgeRecipe.kt
index bb51021..96af3fd 100644
--- a/src/compat/rei/java/moe/nea/firmament/compat/rei/recipes/SBForgeRecipe.kt
+++ b/src/compat/rei/java/moe/nea/firmament/compat/rei/recipes/SBForgeRecipe.kt
@@ -1,5 +1,3 @@
-
-
 package moe.nea.firmament.compat.rei.recipes
 
 import io.github.moulberry.repo.data.NEUForgeRecipe
@@ -21,51 +19,53 @@ import moe.nea.firmament.compat.rei.SBItemEntryDefinition
 import moe.nea.firmament.compat.rei.plus
 
 class SBForgeRecipe(override val neuRecipe: NEUForgeRecipe) : SBRecipe() {
-    override fun getCategoryIdentifier(): CategoryIdentifier<*> = Category.categoryIdentifier
+	override fun getCategoryIdentifier(): CategoryIdentifier<*> = Category.categoryIdentifier
 
-    object Category : DisplayCategory<SBForgeRecipe> {
-        override fun getCategoryIdentifier(): CategoryIdentifier<SBForgeRecipe> =
-            CategoryIdentifier.of(Firmament.MOD_ID, "forge_recipe")
+	object Category : DisplayCategory<SBForgeRecipe> {
+		override fun getCategoryIdentifier(): CategoryIdentifier<SBForgeRecipe> =
+			CategoryIdentifier.of(Firmament.MOD_ID, "forge_recipe")
 
-        override fun getTitle(): Text = Text.literal("Forge Recipes")
-        override fun getDisplayHeight(): Int {
-            return 104
-        }
+		override fun getTitle(): Text = Text.literal("Forge Recipes")
+		override fun getDisplayHeight(): Int {
+			return 104
+		}
 
-        override fun getIcon(): Renderer = EntryStacks.of(Blocks.ANVIL)
-        override fun setupDisplay(display: SBForgeRecipe, bounds: Rectangle): List<Widget> {
-            return buildList {
-                add(Widgets.createRecipeBase(bounds))
-                add(Widgets.createResultSlotBackground(Point(bounds.minX + 124, bounds.minY + 46)))
-                val arrow = Widgets.createArrow(Point(bounds.minX + 90, bounds.minY + 54 - 18 / 2))
-                add(arrow)
-                add(Widgets.createTooltip(arrow.bounds, Text.stringifiedTranslatable("firmament.recipe.forge.time", display.neuRecipe.duration.seconds)))
-                val ingredientsCenter = Point(bounds.minX + 49 - 8, bounds.minY + 54 - 8)
-                val count = display.neuRecipe.inputs.size
-                if (count == 1) {
-                    add(
-                        Widgets.createSlot(Point(ingredientsCenter.x, ingredientsCenter.y)).markInput()
-                            .entry(SBItemEntryDefinition.getEntry(display.neuRecipe.inputs.single()))
-                    )
-                } else {
-                    display.neuRecipe.inputs.forEachIndexed { idx, ingredient ->
-                        val rad = Math.PI * 2 * idx / count
-                        add(
-                            Widgets.createSlot(
-                                Point(
-                                    cos(rad) * 30,
-                                    sin(rad) * 30,
-                                ) + ingredientsCenter
-                            ).markInput().entry(SBItemEntryDefinition.getEntry(ingredient))
-                        )
-                    }
-                }
-                add(
-                    Widgets.createSlot(Point(bounds.minX + 124, bounds.minY + 46)).markOutput().disableBackground()
-                        .entry(SBItemEntryDefinition.getEntry(display.neuRecipe.outputStack))
-                )
-            }
-        }
-    }
+		override fun getIcon(): Renderer = EntryStacks.of(Blocks.ANVIL)
+		override fun setupDisplay(display: SBForgeRecipe, bounds: Rectangle): List<Widget> {
+			return buildList {
+				add(Widgets.createRecipeBase(bounds))
+				add(Widgets.createResultSlotBackground(Point(bounds.minX + 124, bounds.minY + 46)))
+				val arrow = Widgets.createArrow(Point(bounds.minX + 90, bounds.minY + 54 - 18 / 2))
+				add(arrow)
+				add(Widgets.createTooltip(arrow.bounds,
+				                          Text.stringifiedTranslatable("firmament.recipe.forge.time",
+				                                                       display.neuRecipe.duration.seconds)))
+				val ingredientsCenter = Point(bounds.minX + 49 - 8, bounds.minY + 54 - 8)
+				val count = display.neuRecipe.inputs.size
+				if (count == 1) {
+					add(
+						Widgets.createSlot(Point(ingredientsCenter.x, ingredientsCenter.y)).markInput()
+							.entry(SBItemEntryDefinition.getEntry(display.neuRecipe.inputs.single()))
+					)
+				} else {
+					display.neuRecipe.inputs.forEachIndexed { idx, ingredient ->
+						val rad = Math.PI * 2 * idx / count
+						add(
+							Widgets.createSlot(
+								Point(
+									cos(rad) * 30,
+									sin(rad) * 30,
+								) + ingredientsCenter
+							).markInput().entry(SBItemEntryDefinition.getEntry(ingredient))
+						)
+					}
+				}
+				add(
+					Widgets.createSlot(Point(bounds.minX + 124, bounds.minY + 46)).markOutput().disableBackground()
+						.entry(SBItemEntryDefinition.getEntry(display.neuRecipe.outputStack))
+				)
+			}
+		}
+	}
 
 }
diff --git a/src/compat/rei/java/moe/nea/firmament/compat/rei/recipes/SBKatRecipe.kt b/src/compat/rei/java/moe/nea/firmament/compat/rei/recipes/SBKatRecipe.kt
index fc77fa6..bafbdcc 100644
--- a/src/compat/rei/java/moe/nea/firmament/compat/rei/recipes/SBKatRecipe.kt
+++ b/src/compat/rei/java/moe/nea/firmament/compat/rei/recipes/SBKatRecipe.kt
@@ -1,4 +1,3 @@
-
 package moe.nea.firmament.compat.rei.recipes
 
 import io.github.moulberry.repo.data.NEUKatUpgradeRecipe
@@ -20,7 +19,6 @@ import me.shedaniel.rei.api.client.registry.display.DisplayCategory
 import me.shedaniel.rei.api.common.category.CategoryIdentifier
 import me.shedaniel.rei.api.common.util.EntryStacks
 import kotlin.time.Duration.Companion.seconds
-import net.minecraft.block.Blocks
 import net.minecraft.client.gui.DrawContext
 import net.minecraft.client.gui.Element
 import net.minecraft.item.Items
@@ -34,191 +32,191 @@ import moe.nea.firmament.util.MC
 import moe.nea.firmament.util.SkyblockId
 
 class SBKatRecipe(override val neuRecipe: NEUKatUpgradeRecipe) : SBRecipe() {
-    override fun getCategoryIdentifier(): CategoryIdentifier<*> = Category.categoryIdentifier
-
-    object Category : DisplayCategory<SBKatRecipe> {
-        override fun getCategoryIdentifier(): CategoryIdentifier<SBKatRecipe> =
-            CategoryIdentifier.of(Firmament.MOD_ID, "kat_recipe")
-
-        override fun getTitle(): Text = Text.literal("Kat Pet Upgrade")
-        override fun getDisplayHeight(): Int {
-            return 100
-        }
-
-        override fun getIcon(): Renderer = EntryStacks.of(Items.BONE)
-        override fun setupDisplay(display: SBKatRecipe, bounds: Rectangle): List<Widget> {
-            return buildList {
-                val arrowWidth = 24
-                val recipe = display.neuRecipe
-                val levelValue = Property.upgrade(GetSetter.floating(0F))
-                val slider = SliderComponent(levelValue, 1F, 100F, 1f, 100)
-                val outputStack = SBItemStack(SkyblockId(recipe.output.itemId))
-                val inputStack = SBItemStack(SkyblockId(recipe.input.itemId))
-                val inputLevelLabelCenter = Point(bounds.minX + 30 - 18 + 5 + 8, bounds.minY + 25)
-                val inputLevelLabel = Widgets.createLabel(
-                    inputLevelLabelCenter,
-                    Text.literal("")).centered()
-                val outputLevelLabelCenter = Point(bounds.maxX - 30 + 8, bounds.minY + 25)
-                val outputLevelLabel = Widgets.createLabel(
-                    outputLevelLabelCenter,
-                    Text.literal("")).centered()
-                val coinStack = SBItemStack(SkyblockId.COINS, recipe.coins.toInt())
-                levelValue.whenChanged { oldValue, newValue ->
-                    if (oldValue.toInt() == newValue.toInt()) return@whenChanged
-                    val oldInput = inputStack.getPetData() ?: return@whenChanged
-                    val newInput = PetData.forLevel(oldInput.petId, oldInput.rarity, newValue.toInt())
-                    inputStack.setPetData(newInput)
-                    val oldOutput = outputStack.getPetData() ?: return@whenChanged
-                    val newOutput = PetData(oldOutput.rarity, oldOutput.petId, newInput.exp)
-                    outputStack.setPetData(newOutput)
-                    inputLevelLabel.message = Text.literal(newInput.levelData.currentLevel.toString())
-                    inputLevelLabel.bounds.location = Point(
-                        inputLevelLabelCenter.x - MC.font.getWidth(inputLevelLabel.message) / 2,
-                        inputLevelLabelCenter.y)
-                    outputLevelLabel.message = Text.literal(newOutput.levelData.currentLevel.toString())
-                    outputLevelLabel.bounds.location = Point(
-                        outputLevelLabelCenter.x - MC.font.getWidth(outputLevelLabel.message) / 2,
-                        outputLevelLabelCenter.y)
-                    coinStack.setStackSize((recipe.coins * (1 - 0.3 * newValue / 100)).toInt())
-                }
-                levelValue.set(1F)
-                add(Widgets.createRecipeBase(bounds))
-                add(wrapWidget(Rectangle(bounds.centerX - slider.width / 2,
-                                         bounds.maxY - 30,
-                                         slider.width,
-                                         slider.height),
-                               slider))
-                add(Widgets.withTooltip(
-                    Widgets.createArrow(Point(bounds.centerX - arrowWidth / 2, bounds.minY + 40)),
-                    Text.literal("Upgrade time: " + FirmFormatters.formatTimespan(recipe.seconds.seconds))))
-
-                add(Widgets.createResultSlotBackground(Point(bounds.maxX - 30, bounds.minY + 40)))
-                add(inputLevelLabel)
-                add(outputLevelLabel)
-                add(Widgets.createSlot(Point(bounds.maxX - 30, bounds.minY + 40)).markOutput().disableBackground()
-                        .entry(SBItemEntryDefinition.getEntry(outputStack)))
-                add(Widgets.createSlot(Point(bounds.minX + 30 - 18 + 5, bounds.minY + 40)).markInput()
-                        .entry(SBItemEntryDefinition.getEntry(inputStack)))
-
-                val allInputs = recipe.items.map { SBItemEntryDefinition.getEntry(it) } +
-                    listOf(SBItemEntryDefinition.getEntry(coinStack))
-                for ((index, item) in allInputs.withIndex()) {
-                    add(Widgets.createSlot(
-                        Point(bounds.centerX + index * 20 - allInputs.size * 18 / 2 - (allInputs.size - 1) * 2 / 2,
-                              bounds.minY + 20))
-                            .markInput()
-                            .entry(item))
-                }
-            }
-        }
-    }
+	override fun getCategoryIdentifier(): CategoryIdentifier<*> = Category.categoryIdentifier
+
+	object Category : DisplayCategory<SBKatRecipe> {
+		override fun getCategoryIdentifier(): CategoryIdentifier<SBKatRecipe> =
+			CategoryIdentifier.of(Firmament.MOD_ID, "kat_recipe")
+
+		override fun getTitle(): Text = Text.literal("Kat Pet Upgrade")
+		override fun getDisplayHeight(): Int {
+			return 100
+		}
+
+		override fun getIcon(): Renderer = EntryStacks.of(Items.BONE)
+		override fun setupDisplay(display: SBKatRecipe, bounds: Rectangle): List<Widget> {
+			return buildList {
+				val arrowWidth = 24
+				val recipe = display.neuRecipe
+				val levelValue = Property.upgrade(GetSetter.floating(0F))
+				val slider = SliderComponent(levelValue, 1F, 100F, 1f, 100)
+				val outputStack = SBItemStack(SkyblockId(recipe.output.itemId))
+				val inputStack = SBItemStack(SkyblockId(recipe.input.itemId))
+				val inputLevelLabelCenter = Point(bounds.minX + 30 - 18 + 5 + 8, bounds.minY + 25)
+				val inputLevelLabel = Widgets.createLabel(
+					inputLevelLabelCenter,
+					Text.literal("")).centered()
+				val outputLevelLabelCenter = Point(bounds.maxX - 30 + 8, bounds.minY + 25)
+				val outputLevelLabel = Widgets.createLabel(
+					outputLevelLabelCenter,
+					Text.literal("")).centered()
+				val coinStack = SBItemStack(SkyblockId.COINS, recipe.coins.toInt())
+				levelValue.whenChanged { oldValue, newValue ->
+					if (oldValue.toInt() == newValue.toInt()) return@whenChanged
+					val oldInput = inputStack.getPetData() ?: return@whenChanged
+					val newInput = PetData.forLevel(oldInput.petId, oldInput.rarity, newValue.toInt())
+					inputStack.setPetData(newInput)
+					val oldOutput = outputStack.getPetData() ?: return@whenChanged
+					val newOutput = PetData(oldOutput.rarity, oldOutput.petId, newInput.exp)
+					outputStack.setPetData(newOutput)
+					inputLevelLabel.message = Text.literal(newInput.levelData.currentLevel.toString())
+					inputLevelLabel.bounds.location = Point(
+						inputLevelLabelCenter.x - MC.font.getWidth(inputLevelLabel.message) / 2,
+						inputLevelLabelCenter.y)
+					outputLevelLabel.message = Text.literal(newOutput.levelData.currentLevel.toString())
+					outputLevelLabel.bounds.location = Point(
+						outputLevelLabelCenter.x - MC.font.getWidth(outputLevelLabel.message) / 2,
+						outputLevelLabelCenter.y)
+					coinStack.setStackSize((recipe.coins * (1 - 0.3 * newValue / 100)).toInt())
+				}
+				levelValue.set(1F)
+				add(Widgets.createRecipeBase(bounds))
+				add(wrapWidget(Rectangle(bounds.centerX - slider.width / 2,
+				                         bounds.maxY - 30,
+				                         slider.width,
+				                         slider.height),
+				               slider))
+				add(Widgets.withTooltip(
+					Widgets.createArrow(Point(bounds.centerX - arrowWidth / 2, bounds.minY + 40)),
+					Text.literal("Upgrade time: " + FirmFormatters.formatTimespan(recipe.seconds.seconds))))
+
+				add(Widgets.createResultSlotBackground(Point(bounds.maxX - 30, bounds.minY + 40)))
+				add(inputLevelLabel)
+				add(outputLevelLabel)
+				add(Widgets.createSlot(Point(bounds.maxX - 30, bounds.minY + 40)).markOutput().disableBackground()
+					    .entry(SBItemEntryDefinition.getEntry(outputStack)))
+				add(Widgets.createSlot(Point(bounds.minX + 30 - 18 + 5, bounds.minY + 40)).markInput()
+					    .entry(SBItemEntryDefinition.getEntry(inputStack)))
+
+				val allInputs = recipe.items.map { SBItemEntryDefinition.getEntry(it) } +
+					listOf(SBItemEntryDefinition.getEntry(coinStack))
+				for ((index, item) in allInputs.withIndex()) {
+					add(Widgets.createSlot(
+						Point(bounds.centerX + index * 20 - allInputs.size * 18 / 2 - (allInputs.size - 1) * 2 / 2,
+						      bounds.minY + 20))
+						    .markInput()
+						    .entry(item))
+				}
+			}
+		}
+	}
 }
 
 fun wrapWidget(bounds: Rectangle, component: GuiComponent): Widget {
-    return object : WidgetWithBounds() {
-        override fun getBounds(): Rectangle {
-            return bounds
-        }
-
-        override fun children(): List<Element> {
-            return listOf()
-        }
-
-        override fun render(context: DrawContext, mouseX: Int, mouseY: Int, delta: Float) {
-            context.matrices.push()
-            context.matrices.translate(bounds.minX.toFloat(), bounds.minY.toFloat(), 0F)
-            component.render(
-                GuiImmediateContext(
-                    ModernRenderContext(context),
-                    bounds.minX, bounds.minY,
-                    bounds.width, bounds.height,
-                    mouseX - bounds.minX, mouseY - bounds.minY,
-                    mouseX, mouseY,
-                    mouseX.toFloat(), mouseY.toFloat()
-                ))
-            context.matrices.pop()
-        }
-
-        override fun mouseMoved(mouseX: Double, mouseY: Double) {
-            val mouseXInt = mouseX.toInt()
-            val mouseYInt = mouseY.toInt()
-            component.mouseEvent(MouseEvent.Move(0F, 0F),
-                                 GuiImmediateContext(
-                                     IMinecraft.instance.provideTopLevelRenderContext(),
-                                     bounds.minX, bounds.minY,
-                                     bounds.width, bounds.height,
-                                     mouseXInt - bounds.minX, mouseYInt - bounds.minY,
-                                     mouseXInt, mouseYInt,
-                                     mouseX.toFloat(), mouseY.toFloat()
-                                 ))
-        }
-
-        override fun mouseClicked(mouseX: Double, mouseY: Double, button: Int): Boolean {
-            val mouseXInt = mouseX.toInt()
-            val mouseYInt = mouseY.toInt()
-            return component.mouseEvent(MouseEvent.Click(button, true),
-                                        GuiImmediateContext(
-                                            IMinecraft.instance.provideTopLevelRenderContext(),
-                                            bounds.minX, bounds.minY,
-                                            bounds.width, bounds.height,
-                                            mouseXInt - bounds.minX, mouseYInt - bounds.minY,
-                                            mouseXInt, mouseYInt,
-                                            mouseX.toFloat(), mouseY.toFloat()
-                                        ))
-        }
-
-        override fun mouseReleased(mouseX: Double, mouseY: Double, button: Int): Boolean {
-            val mouseXInt = mouseX.toInt()
-            val mouseYInt = mouseY.toInt()
-            return component.mouseEvent(MouseEvent.Click(button, false),
-                                        GuiImmediateContext(
-                                            IMinecraft.instance.provideTopLevelRenderContext(),
-                                            bounds.minX, bounds.minY,
-                                            bounds.width, bounds.height,
-                                            mouseXInt - bounds.minX, mouseYInt - bounds.minY,
-                                            mouseXInt, mouseYInt,
-                                            mouseX.toFloat(), mouseY.toFloat()
-                                        ))
-        }
-
-        override fun mouseDragged(
-            mouseX: Double,
-            mouseY: Double,
-            button: Int,
-            deltaX: Double,
-            deltaY: Double
-        ): Boolean {
-            val mouseXInt = mouseX.toInt()
-            val mouseYInt = mouseY.toInt()
-            return component.mouseEvent(MouseEvent.Move(deltaX.toFloat(), deltaY.toFloat()),
-                                        GuiImmediateContext(
-                                            IMinecraft.instance.provideTopLevelRenderContext(),
-                                            bounds.minX, bounds.minY,
-                                            bounds.width, bounds.height,
-                                            mouseXInt - bounds.minX, mouseYInt - bounds.minY,
-                                            mouseXInt, mouseYInt,
-                                            mouseX.toFloat(), mouseY.toFloat()
-                                        ))
-
-        }
-
-        override fun mouseScrolled(
-            mouseX: Double,
-            mouseY: Double,
-            horizontalAmount: Double,
-            verticalAmount: Double
-        ): Boolean {
-            val mouseXInt = mouseX.toInt()
-            val mouseYInt = mouseY.toInt()
-            return component.mouseEvent(MouseEvent.Scroll(verticalAmount.toFloat()),
-                                        GuiImmediateContext(
-                                            IMinecraft.instance.provideTopLevelRenderContext(),
-                                            bounds.minX, bounds.minY,
-                                            bounds.width, bounds.height,
-                                            mouseXInt - bounds.minX, mouseYInt - bounds.minY,
-                                            mouseXInt, mouseYInt,
-                                            mouseX.toFloat(), mouseY.toFloat()
-                                        ))
-        }
-    }
+	return object : WidgetWithBounds() {
+		override fun getBounds(): Rectangle {
+			return bounds
+		}
+
+		override fun children(): List<Element> {
+			return listOf()
+		}
+
+		override fun render(context: DrawContext, mouseX: Int, mouseY: Int, delta: Float) {
+			context.matrices.push()
+			context.matrices.translate(bounds.minX.toFloat(), bounds.minY.toFloat(), 0F)
+			component.render(
+				GuiImmediateContext(
+					ModernRenderContext(context),
+					bounds.minX, bounds.minY,
+					bounds.width, bounds.height,
+					mouseX - bounds.minX, mouseY - bounds.minY,
+					mouseX, mouseY,
+					mouseX.toFloat(), mouseY.toFloat()
+				))
+			context.matrices.pop()
+		}
+
+		override fun mouseMoved(mouseX: Double, mouseY: Double) {
+			val mouseXInt = mouseX.toInt()
+			val mouseYInt = mouseY.toInt()
+			component.mouseEvent(MouseEvent.Move(0F, 0F),
+			                     GuiImmediateContext(
+				                     IMinecraft.instance.provideTopLevelRenderContext(),
+				                     bounds.minX, bounds.minY,
+				                     bounds.width, bounds.height,
+				                     mouseXInt - bounds.minX, mouseYInt - bounds.minY,
+				                     mouseXInt, mouseYInt,
+				                     mouseX.toFloat(), mouseY.toFloat()
+			                     ))
+		}
+
+		override fun mouseClicked(mouseX: Double, mouseY: Double, button: Int): Boolean {
+			val mouseXInt = mouseX.toInt()
+			val mouseYInt = mouseY.toInt()
+			return component.mouseEvent(MouseEvent.Click(button, true),
+			                            GuiImmediateContext(
+				                            IMinecraft.instance.provideTopLevelRenderContext(),
+				                            bounds.minX, bounds.minY,
+				                            bounds.width, bounds.height,
+				                            mouseXInt - bounds.minX, mouseYInt - bounds.minY,
+				                            mouseXInt, mouseYInt,
+				                            mouseX.toFloat(), mouseY.toFloat()
+			                            ))
+		}
+
+		override fun mouseReleased(mouseX: Double, mouseY: Double, button: Int): Boolean {
+			val mouseXInt = mouseX.toInt()
+			val mouseYInt = mouseY.toInt()
+			return component.mouseEvent(MouseEvent.Click(button, false),
+			                            GuiImmediateContext(
+				                            IMinecraft.instance.provideTopLevelRenderContext(),
+				                            bounds.minX, bounds.minY,
+				                            bounds.width, bounds.height,
+				                            mouseXInt - bounds.minX, mouseYInt - bounds.minY,
+				                            mouseXInt, mouseYInt,
+				                            mouseX.toFloat(), mouseY.toFloat()
+			                            ))
+		}
+
+		override fun mouseDragged(
+			mouseX: Double,
+			mouseY: Double,
+			button: Int,
+			deltaX: Double,
+			deltaY: Double
+		): Boolean {
+			val mouseXInt = mouseX.toInt()
+			val mouseYInt = mouseY.toInt()
+			return component.mouseEvent(MouseEvent.Move(deltaX.toFloat(), deltaY.toFloat()),
+			                            GuiImmediateContext(
+				                            IMinecraft.instance.provideTopLevelRenderContext(),
+				                            bounds.minX, bounds.minY,
+				                            bounds.width, bounds.height,
+				                            mouseXInt - bounds.minX, mouseYInt - bounds.minY,
+				                            mouseXInt, mouseYInt,
+				                            mouseX.toFloat(), mouseY.toFloat()
+			                            ))
+
+		}
+
+		override fun mouseScrolled(
+			mouseX: Double,
+			mouseY: Double,
+			horizontalAmount: Double,
+			verticalAmount: Double
+		): Boolean {
+			val mouseXInt = mouseX.toInt()
+			val mouseYInt = mouseY.toInt()
+			return component.mouseEvent(MouseEvent.Scroll(verticalAmount.toFloat()),
+			                            GuiImmediateContext(
+				                            IMinecraft.instance.provideTopLevelRenderContext(),
+				                            bounds.minX, bounds.minY,
+				                            bounds.width, bounds.height,
+				                            mouseXInt - bounds.minX, mouseYInt - bounds.minY,
+				                            mouseXInt, mouseYInt,
+				                            mouseX.toFloat(), mouseY.toFloat()
+			                            ))
+		}
+	}
 }
diff --git a/src/compat/rei/java/moe/nea/firmament/compat/rei/recipes/SBMobDropRecipe.kt b/src/compat/rei/java/moe/nea/firmament/compat/rei/recipes/SBMobDropRecipe.kt
index cb240fc..81ec41b 100644
--- a/src/compat/rei/java/moe/nea/firmament/compat/rei/recipes/SBMobDropRecipe.kt
+++ b/src/compat/rei/java/moe/nea/firmament/compat/rei/recipes/SBMobDropRecipe.kt
@@ -1,4 +1,3 @@
-
 package moe.nea.firmament.compat.rei.recipes
 
 import io.github.moulberry.repo.data.NEUMobDropRecipe
@@ -14,95 +13,95 @@ import net.minecraft.item.Items
 import net.minecraft.text.Text
 import net.minecraft.util.Identifier
 import moe.nea.firmament.Firmament
-import moe.nea.firmament.gui.entity.EntityRenderer
 import moe.nea.firmament.compat.rei.EntityWidget
 import moe.nea.firmament.compat.rei.SBItemEntryDefinition
+import moe.nea.firmament.gui.entity.EntityRenderer
 
 class SBMobDropRecipe(override val neuRecipe: NEUMobDropRecipe) : SBRecipe() {
-    override fun getCategoryIdentifier(): CategoryIdentifier<*> = Category.categoryIdentifier
+	override fun getCategoryIdentifier(): CategoryIdentifier<*> = Category.categoryIdentifier
 
-    object Category : DisplayCategory<SBMobDropRecipe> {
-        override fun getCategoryIdentifier(): CategoryIdentifier<SBMobDropRecipe> =
-            CategoryIdentifier.of(Firmament.MOD_ID, "mob_drop_recipe")
+	object Category : DisplayCategory<SBMobDropRecipe> {
+		override fun getCategoryIdentifier(): CategoryIdentifier<SBMobDropRecipe> =
+			CategoryIdentifier.of(Firmament.MOD_ID, "mob_drop_recipe")
 
-        override fun getTitle(): Text = Text.literal("Mob Drops")
-        override fun getDisplayHeight(): Int {
-            return 100
-        }
+		override fun getTitle(): Text = Text.literal("Mob Drops")
+		override fun getDisplayHeight(): Int {
+			return 100
+		}
 
-        override fun getIcon(): Renderer = EntryStacks.of(Items.DIAMOND_SWORD)
-        override fun setupDisplay(display: SBMobDropRecipe, bounds: Rectangle): List<Widget> {
-            return buildList {
-                add(Widgets.createRecipeBase(bounds))
-                val source = display.neuRecipe.render
-                val entity = if (source.startsWith("@")) {
-                    EntityRenderer.constructEntity(Identifier.of(source.substring(1)))
-                } else {
-                    EntityRenderer.applyModifiers(source, listOf())
-                }
-                if (entity != null) {
-                    val level = display.neuRecipe.level
-                    val fullMobName =
-                        if (level > 0) Text.translatable("firmament.recipe.mobs.name", level, display.neuRecipe.name)
-                        else Text.translatable("firmament.recipe.mobs.name.nolevel", display.neuRecipe.name)
-                    val tt = mutableListOf<Text>()
-                    tt.add((fullMobName))
-                    tt.add(Text.literal(""))
-                    if (display.neuRecipe.coins > 0) {
-                        tt.add(Text.stringifiedTranslatable("firmament.recipe.mobs.coins", display.neuRecipe.coins))
-                    }
-                    if (display.neuRecipe.combatExperience > 0) {
-                        tt.add(
-                            Text.stringifiedTranslatable(
-                                "firmament.recipe.mobs.combat",
-                                display.neuRecipe.combatExperience
-                            )
-                        )
-                    }
-                    if (display.neuRecipe.enchantingExperience > 0) {
-                        tt.add(
-                            Text.stringifiedTranslatable(
-                                "firmament.recipe.mobs.exp",
-                                display.neuRecipe.enchantingExperience
-                            )
-                        )
-                    }
-                    if (display.neuRecipe.extra != null)
-                        display.neuRecipe.extra.mapTo(tt) { Text.literal(it) }
-                    if (tt.size == 2)
-                        tt.removeAt(1)
-                    add(
-                        Widgets.withTooltip(
-	                        EntityWidget(entity, Point(bounds.minX + 5, bounds.minY + 15)),
-	                        tt
-                        )
-                    )
-                }
-                add(
-                    Widgets.createLabel(Point(bounds.minX + 15, bounds.minY + 5), Text.literal(display.neuRecipe.name))
-                        .leftAligned()
-                )
-                var x = bounds.minX + 60
-                var y = bounds.minY + 20
-                for (drop in display.neuRecipe.drops) {
-                    val lore = drop.extra.mapTo(mutableListOf()) { Text.literal(it) }
-                    if (drop.chance != null) {
-                        lore += listOf(Text.translatable("firmament.recipe.mobs.drops", drop.chance))
-                    }
-                    val item = SBItemEntryDefinition.getEntry(drop.dropItem)
-                        .value.copy(extraLore = lore)
-                    add(
-                        Widgets.createSlot(Point(x, y)).markOutput()
-                            .entries(listOf(SBItemEntryDefinition.getEntry(item)))
-                    )
-                    x += 18
-                    if (x > bounds.maxX - 30) {
-                        x = bounds.minX + 60
-                        y += 18
-                    }
-                }
-            }
-        }
-    }
+		override fun getIcon(): Renderer = EntryStacks.of(Items.DIAMOND_SWORD)
+		override fun setupDisplay(display: SBMobDropRecipe, bounds: Rectangle): List<Widget> {
+			return buildList {
+				add(Widgets.createRecipeBase(bounds))
+				val source = display.neuRecipe.render
+				val entity = if (source.startsWith("@")) {
+					EntityRenderer.constructEntity(Identifier.of(source.substring(1)))
+				} else {
+					EntityRenderer.applyModifiers(source, listOf())
+				}
+				if (entity != null) {
+					val level = display.neuRecipe.level
+					val fullMobName =
+						if (level > 0) Text.translatable("firmament.recipe.mobs.name", level, display.neuRecipe.name)
+						else Text.translatable("firmament.recipe.mobs.name.nolevel", display.neuRecipe.name)
+					val tt = mutableListOf<Text>()
+					tt.add((fullMobName))
+					tt.add(Text.literal(""))
+					if (display.neuRecipe.coins > 0) {
+						tt.add(Text.stringifiedTranslatable("firmament.recipe.mobs.coins", display.neuRecipe.coins))
+					}
+					if (display.neuRecipe.combatExperience > 0) {
+						tt.add(
+							Text.stringifiedTranslatable(
+								"firmament.recipe.mobs.combat",
+								display.neuRecipe.combatExperience
+							)
+						)
+					}
+					if (display.neuRecipe.enchantingExperience > 0) {
+						tt.add(
+							Text.stringifiedTranslatable(
+								"firmament.recipe.mobs.exp",
+								display.neuRecipe.enchantingExperience
+							)
+						)
+					}
+					if (display.neuRecipe.extra != null)
+						display.neuRecipe.extra.mapTo(tt) { Text.literal(it) }
+					if (tt.size == 2)
+						tt.removeAt(1)
+					add(
+						Widgets.withTooltip(
+							EntityWidget(entity, Point(bounds.minX + 5, bounds.minY + 15)),
+							tt
+						)
+					)
+				}
+				add(
+					Widgets.createLabel(Point(bounds.minX + 15, bounds.minY + 5), Text.literal(display.neuRecipe.name))
+						.leftAligned()
+				)
+				var x = bounds.minX + 60
+				var y = bounds.minY + 20
+				for (drop in display.neuRecipe.drops) {
+					val lore = drop.extra.mapTo(mutableListOf()) { Text.literal(it) }
+					if (drop.chance != null) {
+						lore += listOf(Text.translatable("firmament.recipe.mobs.drops", drop.chance))
+					}
+					val item = SBItemEntryDefinition.getEntry(drop.dropItem)
+						.value.copy(extraLore = lore)
+					add(
+						Widgets.createSlot(Point(x, y)).markOutput()
+							.entries(listOf(SBItemEntryDefinition.getEntry(item)))
+					)
+					x += 18
+					if (x > bounds.maxX - 30) {
+						x = bounds.minX + 60
+						y += 18
+					}
+				}
+			}
+		}
+	}
 
 }
diff --git a/src/compat/rei/java/moe/nea/firmament/compat/rei/recipes/SBRecipe.kt b/src/compat/rei/java/moe/nea/firmament/compat/rei/recipes/SBRecipe.kt
index a66a529..de7779f 100644
--- a/src/compat/rei/java/moe/nea/firmament/compat/rei/recipes/SBRecipe.kt
+++ b/src/compat/rei/java/moe/nea/firmament/compat/rei/recipes/SBRecipe.kt
@@ -2,28 +2,41 @@ package moe.nea.firmament.compat.rei.recipes
 
 import io.github.moulberry.repo.data.NEUIngredient
 import io.github.moulberry.repo.data.NEURecipe
+import java.util.Optional
 import me.shedaniel.rei.api.common.display.Display
+import me.shedaniel.rei.api.common.display.DisplaySerializer
 import me.shedaniel.rei.api.common.entry.EntryIngredient
+import net.minecraft.util.Identifier
 import moe.nea.firmament.compat.rei.SBItemEntryDefinition
 import moe.nea.firmament.util.SkyblockId
 
 abstract class SBRecipe : Display {
-    abstract val neuRecipe: NEURecipe
-    override fun getInputEntries(): List<EntryIngredient> {
-        return neuRecipe.allInputs
-            .filter { it.itemId != NEUIngredient.NEU_SENTINEL_EMPTY }
-            .map {
-                val entryStack = SBItemEntryDefinition.getEntry(SkyblockId(it.itemId))
-                EntryIngredient.of(entryStack)
-            }
-    }
+	override fun getDisplayLocation(): Optional<Identifier> {
+		// In theory, we could return a location for the neuRecipe here. (Something along the lines of neurepo:items/item_id.json/0 for the 0th recipe in the items/item_id.json recipes array).
+		return Optional.empty()
+	}
 
-    override fun getOutputEntries(): List<EntryIngredient> {
-        return neuRecipe.allOutputs
-            .filter { it.itemId != NEUIngredient.NEU_SENTINEL_EMPTY }
-            .map {
-                val entryStack = SBItemEntryDefinition.getEntry(SkyblockId(it.itemId))
-                EntryIngredient.of(entryStack)
-            }
-    }
+	override fun getSerializer(): DisplaySerializer<out Display>? {
+		// While returning null here is discouraged, we are fine to do so, since this recipe will never travel through the network
+		return null
+	}
+
+	abstract val neuRecipe: NEURecipe
+	override fun getInputEntries(): List<EntryIngredient> {
+		return neuRecipe.allInputs
+			.filter { it.itemId != NEUIngredient.NEU_SENTINEL_EMPTY }
+			.map {
+				val entryStack = SBItemEntryDefinition.getEntry(SkyblockId(it.itemId))
+				EntryIngredient.of(entryStack)
+			}
+	}
+
+	override fun getOutputEntries(): List<EntryIngredient> {
+		return neuRecipe.allOutputs
+			.filter { it.itemId != NEUIngredient.NEU_SENTINEL_EMPTY }
+			.map {
+				val entryStack = SBItemEntryDefinition.getEntry(SkyblockId(it.itemId))
+				EntryIngredient.of(entryStack)
+			}
+	}
 }
diff --git a/src/main/kotlin/repo/RepoManager.kt b/src/main/kotlin/repo/RepoManager.kt
index e5103fc..725642e 100644
--- a/src/main/kotlin/repo/RepoManager.kt
+++ b/src/main/kotlin/repo/RepoManager.kt
@@ -79,7 +79,7 @@ object RepoManager {
 
 	private fun trySendClientboundUpdateRecipesPacket(): Boolean {
 		return MinecraftClient.getInstance().world != null && MinecraftClient.getInstance().networkHandler?.onSynchronizeRecipes(
-			SynchronizeRecipesS2CPacket(mutableMapOf(), CuttingRecipeDisplay.Grouping.empty()) // TODO: check https://hackmd.io/@shedaniel/rei17_primer and source to see if this still resyncs
+			SynchronizeRecipesS2CPacket(mutableMapOf(), CuttingRecipeDisplay.Grouping.empty())
 		) != null
 	}
 
@@ -94,7 +94,7 @@ object RepoManager {
 
 	fun launchAsyncUpdate(force: Boolean = false) {
 		Firmament.coroutineScope.launch {
-			ItemCache.ReloadProgressHud.reportProgress("Downloading", 0, -1) // TODO: replace with a proper boundy bar
+			ItemCache.ReloadProgressHud.reportProgress("Downloading", 0, -1) // TODO: replace with a proper bouncy bar
 			ItemCache.ReloadProgressHud.isEnabled = true
 			try {
 				RepoDownloadManager.downloadUpdate(force)
diff --git a/src/main/kotlin/repo/SBItemStack.kt b/src/main/kotlin/repo/SBItemStack.kt
index 281075d..e1cbdbb 100644
--- a/src/main/kotlin/repo/SBItemStack.kt
+++ b/src/main/kotlin/repo/SBItemStack.kt
@@ -1,9 +1,14 @@
 package moe.nea.firmament.repo
 
+import com.mojang.serialization.Codec
+import com.mojang.serialization.codecs.RecordCodecBuilder
 import io.github.moulberry.repo.constants.PetNumbers
 import io.github.moulberry.repo.data.NEUIngredient
 import io.github.moulberry.repo.data.NEUItem
 import net.minecraft.item.ItemStack
+import net.minecraft.network.RegistryByteBuf
+import net.minecraft.network.codec.PacketCodec
+import net.minecraft.network.codec.PacketCodecs
 import net.minecraft.text.Text
 import net.minecraft.util.Formatting
 import moe.nea.firmament.repo.ItemCache.asItemStack
@@ -40,6 +45,20 @@ data class SBItemStack constructor(
 	}
 
 	companion object {
+		val PACKET_CODEC: PacketCodec<in RegistryByteBuf, SBItemStack> = PacketCodec.tuple(
+			SkyblockId.PACKET_CODEC, { it.skyblockId },
+			PacketCodecs.VAR_INT, { it.stackSize },
+			{ id, count -> SBItemStack(id, count) }
+		)
+		val CODEC: Codec<SBItemStack> = RecordCodecBuilder.create {
+			it.group(
+				SkyblockId.CODEC.fieldOf("skyblockId").forGetter { it.skyblockId },
+				Codec.INT.fieldOf("count").forGetter { it.stackSize },
+			).apply(it) { id, count ->
+				SBItemStack(id, count)
+			}
+		}
+
 		operator fun invoke(itemStack: ItemStack): SBItemStack {
 			val skyblockId = itemStack.skyBlockId ?: SkyblockId.NULL
 			return SBItemStack(
diff --git a/src/main/kotlin/util/MC.kt b/src/main/kotlin/util/MC.kt
index 27b9457..33825f1 100644
--- a/src/main/kotlin/util/MC.kt
+++ b/src/main/kotlin/util/MC.kt
@@ -6,6 +6,7 @@ import net.minecraft.client.MinecraftClient
 import net.minecraft.client.gui.screen.ingame.HandledScreen
 import net.minecraft.client.option.GameOptions
 import net.minecraft.client.render.WorldRenderer
+import net.minecraft.client.render.item.ItemRenderer
 import net.minecraft.item.Item
 import net.minecraft.network.packet.c2s.play.CommandExecutionC2SPacket
 import net.minecraft.registry.BuiltinRegistries
@@ -69,6 +70,7 @@ object MC {
 
 
 	inline val resourceManager get() = (instance.resourceManager as ReloadableResourceManagerImpl)
+	inline val itemRenderer: ItemRenderer get() = instance.itemRenderer
 	inline val worldRenderer: WorldRenderer get() = instance.worldRenderer
 	inline val networkHandler get() = player?.networkHandler
 	inline val instance get() = MinecraftClient.getInstance()
diff --git a/src/main/kotlin/util/SkyblockId.kt b/src/main/kotlin/util/SkyblockId.kt
index 059e746..9c9287b 100644
--- a/src/main/kotlin/util/SkyblockId.kt
+++ b/src/main/kotlin/util/SkyblockId.kt
@@ -2,6 +2,7 @@
 
 package moe.nea.firmament.util
 
+import com.mojang.serialization.Codec
 import io.github.moulberry.repo.data.NEUIngredient
 import io.github.moulberry.repo.data.NEUItem
 import io.github.moulberry.repo.data.Rarity
@@ -16,6 +17,9 @@ import net.minecraft.component.type.NbtComponent
 import net.minecraft.item.ItemStack
 import net.minecraft.item.Items
 import net.minecraft.nbt.NbtCompound
+import net.minecraft.network.RegistryByteBuf
+import net.minecraft.network.codec.PacketCodec
+import net.minecraft.network.codec.PacketCodecs
 import net.minecraft.util.Identifier
 import moe.nea.firmament.repo.ItemCache.asItemStack
 import moe.nea.firmament.repo.set
@@ -68,6 +72,9 @@ value class SkyblockId(val neuItem: String) {
 		val NULL: SkyblockId = SkyblockId("null")
 		val PET_NULL: SkyblockId = SkyblockId("null_pet")
 		private val illlegalPathRegex = "[^a-z0-9_.-/]".toRegex()
+		val CODEC = Codec.STRING.xmap({ SkyblockId(it) }, { it.neuItem })
+		val PACKET_CODEC: PacketCodec<in RegistryByteBuf, SkyblockId> =
+			PacketCodecs.STRING.xmap({ SkyblockId(it) }, { it.neuItem })
 	}
 }