Refactor source layout

Introduce compat source sets and move all kotlin sources to the main directory

[no changelog]

17 files changed, 1739 insertions, 0 deletions

diff --git a/src/main/kotlin/features/inventory/CraftingOverlay.kt b/src/main/kotlin/features/inventory/CraftingOverlay.kt
new file mode 100644
index 0000000..031ef78
--- /dev/null
+++ b/src/main/kotlin/features/inventory/CraftingOverlay.kt
@@ -0,0 +1,66 @@
+
+
+package moe.nea.firmament.features.inventory
+
+import net.minecraft.client.gui.screen.ingame.GenericContainerScreen
+import net.minecraft.item.ItemStack
+import net.minecraft.util.Formatting
+import moe.nea.firmament.annotations.Subscribe
+import moe.nea.firmament.events.SlotRenderEvents
+import moe.nea.firmament.features.FirmamentFeature
+import moe.nea.firmament.rei.FirmamentReiPlugin.Companion.asItemEntry
+import moe.nea.firmament.rei.SBItemEntryDefinition
+import moe.nea.firmament.rei.recipes.SBCraftingRecipe
+import moe.nea.firmament.util.MC
+
+object CraftingOverlay : FirmamentFeature {
+
+    private var screen: GenericContainerScreen? = null
+    private var recipe: SBCraftingRecipe? = null
+    private val craftingOverlayIndices = listOf(
+        10, 11, 12,
+        19, 20, 21,
+        28, 29, 30,
+    )
+
+
+    fun setOverlay(screen: GenericContainerScreen, recipe: SBCraftingRecipe) {
+        this.screen = screen
+        this.recipe = recipe
+    }
+
+    override val identifier: String
+        get() = "crafting-overlay"
+
+    @Subscribe
+    fun onSlotRender(event: SlotRenderEvents.After) {
+        val slot = event.slot
+        val recipe = this.recipe ?: return
+        if (slot.inventory != screen?.screenHandler?.inventory) return
+        val recipeIndex = craftingOverlayIndices.indexOf(slot.index)
+        if (recipeIndex < 0) return
+        val expectedItem = recipe.neuRecipe.inputs[recipeIndex]
+        val actualStack = slot.stack ?: ItemStack.EMPTY!!
+        val actualEntry = SBItemEntryDefinition.getEntry(actualStack).value
+        if ((actualEntry.skyblockId.neuItem != expectedItem.itemId || actualEntry.getStackSize() < expectedItem.amount) && expectedItem.amount.toInt() != 0) {
+            event.context.fill(
+                event.slot.x,
+                event.slot.y,
+                event.slot.x + 16,
+                event.slot.y + 16,
+                0x80FF0000.toInt()
+            )
+        }
+        if (!slot.hasStack()) {
+            val itemStack = SBItemEntryDefinition.getEntry(expectedItem).asItemEntry().value
+            event.context.drawItem(itemStack, event.slot.x, event.slot.y)
+            event.context.drawItemInSlot(
+                MC.font,
+                itemStack,
+                event.slot.x,
+                event.slot.y,
+                "${Formatting.RED}${expectedItem.amount.toInt()}"
+            )
+        }
+    }
+}
diff --git a/src/main/kotlin/features/inventory/ItemRarityCosmetics.kt b/src/main/kotlin/features/inventory/ItemRarityCosmetics.kt
new file mode 100644
index 0000000..566a813
--- /dev/null
+++ b/src/main/kotlin/features/inventory/ItemRarityCosmetics.kt
@@ -0,0 +1,85 @@
+
+
+package moe.nea.firmament.features.inventory
+
+import java.awt.Color
+import net.minecraft.client.gui.DrawContext
+import net.minecraft.item.ItemStack
+import net.minecraft.util.Formatting
+import net.minecraft.util.Identifier
+import moe.nea.firmament.annotations.Subscribe
+import moe.nea.firmament.events.HotbarItemRenderEvent
+import moe.nea.firmament.events.SlotRenderEvents
+import moe.nea.firmament.features.FirmamentFeature
+import moe.nea.firmament.gui.config.ManagedConfig
+import moe.nea.firmament.util.MC
+import moe.nea.firmament.util.item.loreAccordingToNbt
+import moe.nea.firmament.util.lastNotNullOfOrNull
+import moe.nea.firmament.util.memoize
+import moe.nea.firmament.util.memoizeIdentity
+import moe.nea.firmament.util.unformattedString
+
+object ItemRarityCosmetics : FirmamentFeature {
+    override val identifier: String
+        get() = "item-rarity-cosmetics"
+
+    object TConfig : ManagedConfig(identifier) {
+        val showItemRarityBackground by toggle("background") { false }
+        val showItemRarityInHotbar by toggle("background-hotbar") { false }
+    }
+
+    override val config: ManagedConfig
+        get() = TConfig
+
+    private val rarityToColor = mapOf(
+        "UNCOMMON" to Formatting.GREEN,
+        "COMMON" to Formatting.WHITE,
+        "RARE" to Formatting.DARK_BLUE,
+        "EPIC" to Formatting.DARK_PURPLE,
+        "LEGENDARY" to Formatting.GOLD,
+        "LEGENJERRY" to Formatting.GOLD,
+        "MYTHIC" to Formatting.LIGHT_PURPLE,
+        "DIVINE" to Formatting.BLUE,
+        "SPECIAL" to Formatting.DARK_RED,
+        "SUPREME" to Formatting.DARK_RED,
+    ).mapValues {
+        val c = Color(it.value.colorValue!!)
+        Triple(c.red / 255F, c.green / 255F, c.blue / 255F)
+    }
+
+    private fun getSkyblockRarity0(itemStack: ItemStack): Triple<Float, Float, Float>? {
+        return itemStack.loreAccordingToNbt.lastNotNullOfOrNull {
+            val entry = it.unformattedString
+            rarityToColor.entries.find { (k, v) -> k in entry }?.value
+        }
+    }
+
+    val getSkyblockRarity = ::getSkyblockRarity0.memoizeIdentity(100)
+
+
+    fun drawItemStackRarity(drawContext: DrawContext, x: Int, y: Int, item: ItemStack) {
+        val (r, g, b) = getSkyblockRarity(item) ?: return
+        drawContext.drawSprite(
+            x, y,
+            0,
+            16, 16,
+            MC.guiAtlasManager.getSprite(Identifier.of("firmament:item_rarity_background")),
+            r, g, b, 1F
+        )
+    }
+
+
+    @Subscribe
+    fun onRenderSlot(it: SlotRenderEvents.Before) {
+        if (!TConfig.showItemRarityBackground) return
+        val stack = it.slot.stack ?: return
+        drawItemStackRarity(it.context, it.slot.x, it.slot.y, stack)
+    }
+
+    @Subscribe
+    fun onRenderHotbarItem(it: HotbarItemRenderEvent) {
+        if (!TConfig.showItemRarityInHotbar) return
+        val stack = it.item
+        drawItemStackRarity(it.context, it.x, it.y, stack)
+    }
+}
diff --git a/src/main/kotlin/features/inventory/PriceData.kt b/src/main/kotlin/features/inventory/PriceData.kt
new file mode 100644
index 0000000..c61f8e8
--- /dev/null
+++ b/src/main/kotlin/features/inventory/PriceData.kt
@@ -0,0 +1,51 @@
+
+
+package moe.nea.firmament.features.inventory
+
+import net.minecraft.text.Text
+import moe.nea.firmament.annotations.Subscribe
+import moe.nea.firmament.events.ItemTooltipEvent
+import moe.nea.firmament.features.FirmamentFeature
+import moe.nea.firmament.gui.config.ManagedConfig
+import moe.nea.firmament.repo.HypixelStaticData
+import moe.nea.firmament.util.FirmFormatters
+import moe.nea.firmament.util.skyBlockId
+
+object PriceData : FirmamentFeature {
+    override val identifier: String
+        get() = "price-data"
+
+    object TConfig : ManagedConfig(identifier) {
+        val tooltipEnabled by toggle("enable-always") { true }
+        val enableKeybinding by keyBindingWithDefaultUnbound("enable-keybind")
+    }
+
+    override val config get() = TConfig
+
+    @Subscribe
+    fun onItemTooltip(it: ItemTooltipEvent) {
+        if (!TConfig.tooltipEnabled && !TConfig.enableKeybinding.isPressed()) {
+            return
+        }
+        val sbId = it.stack.skyBlockId
+        val bazaarData = HypixelStaticData.bazaarData[sbId]
+        val lowestBin = HypixelStaticData.lowestBin[sbId]
+        if (bazaarData != null) {
+            it.lines.add(Text.literal(""))
+            it.lines.add(
+                Text.stringifiedTranslatable("firmament.tooltip.bazaar.sell-order",
+                                             FirmFormatters.formatCommas(bazaarData.quickStatus.sellPrice, 1))
+            )
+            it.lines.add(
+                Text.stringifiedTranslatable("firmament.tooltip.bazaar.buy-order",
+                                             FirmFormatters.formatCommas(bazaarData.quickStatus.buyPrice, 1))
+            )
+        } else if (lowestBin != null) {
+            it.lines.add(Text.literal(""))
+            it.lines.add(
+                Text.stringifiedTranslatable("firmament.tooltip.ah.lowestbin",
+                                             FirmFormatters.formatCommas(lowestBin, 1))
+            )
+        }
+    }
+}
diff --git a/src/main/kotlin/features/inventory/SaveCursorPosition.kt b/src/main/kotlin/features/inventory/SaveCursorPosition.kt
new file mode 100644
index 0000000..1c55753
--- /dev/null
+++ b/src/main/kotlin/features/inventory/SaveCursorPosition.kt
@@ -0,0 +1,66 @@
+
+
+package moe.nea.firmament.features.inventory
+
+import kotlin.math.absoluteValue
+import kotlin.time.Duration.Companion.milliseconds
+import net.minecraft.client.util.InputUtil
+import moe.nea.firmament.features.FirmamentFeature
+import moe.nea.firmament.gui.config.ManagedConfig
+import moe.nea.firmament.util.MC
+import moe.nea.firmament.util.TimeMark
+import moe.nea.firmament.util.assertNotNullOr
+
+object SaveCursorPosition : FirmamentFeature {
+    override val identifier: String
+        get() = "save-cursor-position"
+
+    object TConfig : ManagedConfig(identifier) {
+        val enable by toggle("enable") { true }
+        val tolerance by duration("tolerance", 10.milliseconds, 5000.milliseconds) { 500.milliseconds }
+    }
+
+    override val config: TConfig
+        get() = TConfig
+
+    var savedPositionedP1: Pair<Double, Double>? = null
+    var savedPosition: SavedPosition? = null
+
+    data class SavedPosition(
+        val middle: Pair<Double, Double>,
+        val cursor: Pair<Double, Double>,
+        val savedAt: TimeMark = TimeMark.now()
+    )
+
+    @JvmStatic
+    fun saveCursorOriginal(positionedX: Double, positionedY: Double) {
+        savedPositionedP1 = Pair(positionedX, positionedY)
+    }
+
+    @JvmStatic
+    fun loadCursor(middleX: Double, middleY: Double): Pair<Double, Double>? {
+        if (!TConfig.enable) return null
+        val lastPosition = savedPosition?.takeIf { it.savedAt.passedTime() < TConfig.tolerance }
+        savedPosition = null
+        if (lastPosition != null &&
+            (lastPosition.middle.first - middleX).absoluteValue < 1 &&
+            (lastPosition.middle.second - middleY).absoluteValue < 1
+        ) {
+            InputUtil.setCursorParameters(
+                MC.window.handle,
+                InputUtil.GLFW_CURSOR_NORMAL,
+                lastPosition.cursor.first,
+                lastPosition.cursor.second
+            )
+            return lastPosition.cursor
+        }
+        return null
+    }
+
+    @JvmStatic
+    fun saveCursorMiddle(middleX: Double, middleY: Double) {
+        if (!TConfig.enable) return
+        val cursorPos = assertNotNullOr(savedPositionedP1) { return }
+        savedPosition = SavedPosition(Pair(middleX, middleY), cursorPos)
+    }
+}
diff --git a/src/main/kotlin/features/inventory/SlotLocking.kt b/src/main/kotlin/features/inventory/SlotLocking.kt
new file mode 100644
index 0000000..a50d8fb
--- /dev/null
+++ b/src/main/kotlin/features/inventory/SlotLocking.kt
@@ -0,0 +1,203 @@
+
+
+@file:UseSerializers(DashlessUUIDSerializer::class)
+
+package moe.nea.firmament.features.inventory
+
+import com.mojang.blaze3d.systems.RenderSystem
+import java.util.UUID
+import org.lwjgl.glfw.GLFW
+import kotlinx.serialization.Serializable
+import kotlinx.serialization.UseSerializers
+import kotlinx.serialization.serializer
+import net.minecraft.client.gui.screen.ingame.HandledScreen
+import net.minecraft.entity.player.PlayerInventory
+import net.minecraft.screen.GenericContainerScreenHandler
+import net.minecraft.screen.slot.SlotActionType
+import net.minecraft.util.Identifier
+import moe.nea.firmament.annotations.Subscribe
+import moe.nea.firmament.events.HandledScreenKeyPressedEvent
+import moe.nea.firmament.events.IsSlotProtectedEvent
+import moe.nea.firmament.events.SlotRenderEvents
+import moe.nea.firmament.features.FirmamentFeature
+import moe.nea.firmament.gui.config.ManagedConfig
+import moe.nea.firmament.keybindings.SavedKeyBinding
+import moe.nea.firmament.mixins.accessor.AccessorHandledScreen
+import moe.nea.firmament.util.CommonSoundEffects
+import moe.nea.firmament.util.MC
+import moe.nea.firmament.util.SBData
+import moe.nea.firmament.util.SkyBlockIsland
+import moe.nea.firmament.util.data.ProfileSpecificDataHolder
+import moe.nea.firmament.util.item.displayNameAccordingToNbt
+import moe.nea.firmament.util.item.loreAccordingToNbt
+import moe.nea.firmament.util.json.DashlessUUIDSerializer
+import moe.nea.firmament.util.skyblockUUID
+import moe.nea.firmament.util.unformattedString
+
+object SlotLocking : FirmamentFeature {
+    override val identifier: String
+        get() = "slot-locking"
+
+    @Serializable
+    data class Data(
+        val lockedSlots: MutableSet<Int> = mutableSetOf(),
+        val lockedSlotsRift: MutableSet<Int> = mutableSetOf(),
+
+        val lockedUUIDs: MutableSet<UUID> = mutableSetOf(),
+    )
+
+    object TConfig : ManagedConfig(identifier) {
+        val lockSlot by keyBinding("lock") { GLFW.GLFW_KEY_L }
+        val lockUUID by keyBindingWithOutDefaultModifiers("lock-uuid") {
+            SavedKeyBinding(GLFW.GLFW_KEY_L, shift = true)
+        }
+    }
+
+    override val config: TConfig
+        get() = TConfig
+
+    object DConfig : ProfileSpecificDataHolder<Data>(serializer(), "locked-slots", ::Data)
+
+    val lockedUUIDs get() = DConfig.data?.lockedUUIDs
+
+    val lockedSlots
+        get() = when (SBData.skyblockLocation) {
+            SkyBlockIsland.RIFT -> DConfig.data?.lockedSlotsRift
+            null -> null
+            else -> DConfig.data?.lockedSlots
+        }
+
+    fun isSalvageScreen(screen: HandledScreen<*>?): Boolean {
+        if (screen == null) return false
+        return screen.title.unformattedString.contains("Salvage Item")
+    }
+
+    fun isTradeScreen(screen: HandledScreen<*>?): Boolean {
+        if (screen == null) return false
+        val handler = screen.screenHandler as? GenericContainerScreenHandler ?: return false
+        if (handler.inventory.size() < 9) return false
+        val middlePane = handler.inventory.getStack(handler.inventory.size() - 5)
+        if (middlePane == null) return false
+        return middlePane.displayNameAccordingToNbt?.unformattedString == "⇦ Your stuff"
+    }
+
+    fun isNpcShop(screen: HandledScreen<*>?): Boolean {
+        if (screen == null) return false
+        val handler = screen.screenHandler as? GenericContainerScreenHandler ?: return false
+        if (handler.inventory.size() < 9) return false
+        val sellItem = handler.inventory.getStack(handler.inventory.size() - 5)
+        if (sellItem == null) return false
+        if (sellItem.displayNameAccordingToNbt?.unformattedString == "Sell Item") return true
+        val lore = sellItem.loreAccordingToNbt
+        return (lore.lastOrNull() ?: return false).unformattedString == "Click to buyback!"
+    }
+
+    @Subscribe
+    fun onSalvageProtect(event: IsSlotProtectedEvent) {
+        if (event.slot == null) return
+        if (!event.slot.hasStack()) return
+        if (event.slot.stack.displayNameAccordingToNbt?.unformattedString != "Salvage Items") return
+        val inv = event.slot.inventory
+        var anyBlocked = false
+        for (i in 0 until event.slot.index) {
+            val stack = inv.getStack(i)
+            if (IsSlotProtectedEvent.shouldBlockInteraction(null, SlotActionType.THROW, stack))
+                anyBlocked = true
+        }
+        if (anyBlocked) {
+            event.protectSilent()
+        }
+    }
+
+    @Subscribe
+    fun onProtectUuidItems(event: IsSlotProtectedEvent) {
+        val doesNotDeleteItem = event.actionType == SlotActionType.SWAP
+            || event.actionType == SlotActionType.PICKUP
+            || event.actionType == SlotActionType.QUICK_MOVE
+            || event.actionType == SlotActionType.QUICK_CRAFT
+            || event.actionType == SlotActionType.CLONE
+            || event.actionType == SlotActionType.PICKUP_ALL
+        val isSellOrTradeScreen =
+            isNpcShop(MC.handledScreen) || isTradeScreen(MC.handledScreen) || isSalvageScreen(MC.handledScreen)
+        if ((!isSellOrTradeScreen || event.slot?.inventory !is PlayerInventory)
+            && doesNotDeleteItem
+        ) return
+        val stack = event.itemStack ?: return
+        val uuid = stack.skyblockUUID ?: return
+        if (uuid in (lockedUUIDs ?: return)) {
+            event.protect()
+        }
+    }
+
+    @Subscribe
+    fun onProtectSlot(it: IsSlotProtectedEvent) {
+        if (it.slot != null && it.slot.inventory is PlayerInventory && it.slot.index in (lockedSlots ?: setOf())) {
+            it.protect()
+        }
+    }
+
+    @Subscribe
+    fun onLockUUID(it: HandledScreenKeyPressedEvent) {
+        if (!it.matches(TConfig.lockUUID)) return
+        val inventory = MC.handledScreen ?: return
+        inventory as AccessorHandledScreen
+
+        val slot = inventory.focusedSlot_Firmament ?: return
+        val stack = slot.stack ?: return
+        val uuid = stack.skyblockUUID ?: return
+        val lockedUUIDs = lockedUUIDs ?: return
+        if (uuid in lockedUUIDs) {
+            lockedUUIDs.remove(uuid)
+        } else {
+            lockedUUIDs.add(uuid)
+        }
+        DConfig.markDirty()
+        CommonSoundEffects.playSuccess()
+        it.cancel()
+    }
+
+    @Subscribe
+    fun onLockSlot(it: HandledScreenKeyPressedEvent) {
+        if (!it.matches(TConfig.lockSlot)) return
+        val inventory = MC.handledScreen ?: return
+        inventory as AccessorHandledScreen
+
+        val slot = inventory.focusedSlot_Firmament ?: return
+        val lockedSlots = lockedSlots ?: return
+        if (slot.inventory is PlayerInventory) {
+            if (slot.index in lockedSlots) {
+                lockedSlots.remove(slot.index)
+            } else {
+                lockedSlots.add(slot.index)
+            }
+            DConfig.markDirty()
+            CommonSoundEffects.playSuccess()
+        }
+    }
+
+    @Subscribe
+    fun onRenderSlotOverlay(it: SlotRenderEvents.After) {
+        val isSlotLocked = it.slot.inventory is PlayerInventory && it.slot.index in (lockedSlots ?: setOf())
+        val isUUIDLocked = (it.slot.stack?.skyblockUUID) in (lockedUUIDs ?: setOf())
+        if (isSlotLocked || isUUIDLocked) {
+            RenderSystem.disableDepthTest()
+            it.context.drawSprite(
+                it.slot.x, it.slot.y, 0,
+                16, 16,
+                MC.guiAtlasManager.getSprite(
+                    when {
+                        isSlotLocked ->
+                            (Identifier.of("firmament:slot_locked"))
+
+                        isUUIDLocked ->
+                            (Identifier.of("firmament:uuid_locked"))
+
+                        else ->
+                            error("unreachable")
+                    }
+                )
+            )
+            RenderSystem.enableDepthTest()
+        }
+    }
+}
diff --git a/src/main/kotlin/features/inventory/buttons/InventoryButton.kt b/src/main/kotlin/features/inventory/buttons/InventoryButton.kt
new file mode 100644
index 0000000..539edf2
--- /dev/null
+++ b/src/main/kotlin/features/inventory/buttons/InventoryButton.kt
@@ -0,0 +1,85 @@
+
+
+package moe.nea.firmament.features.inventory.buttons
+
+import com.mojang.brigadier.StringReader
+import me.shedaniel.math.Dimension
+import me.shedaniel.math.Point
+import me.shedaniel.math.Rectangle
+import kotlinx.serialization.Serializable
+import net.minecraft.client.gui.DrawContext
+import net.minecraft.command.CommandRegistryAccess
+import net.minecraft.command.argument.ItemStackArgumentType
+import net.minecraft.item.ItemStack
+import net.minecraft.resource.featuretoggle.FeatureFlags
+import net.minecraft.util.Identifier
+import moe.nea.firmament.repo.ItemCache.asItemStack
+import moe.nea.firmament.repo.RepoManager
+import moe.nea.firmament.util.MC
+import moe.nea.firmament.util.SkyblockId
+import moe.nea.firmament.util.memoize
+
+@Serializable
+data class InventoryButton(
+    var x: Int,
+    var y: Int,
+    var anchorRight: Boolean,
+    var anchorBottom: Boolean,
+    var icon: String? = "",
+    var command: String? = "",
+) {
+    companion object {
+        val itemStackParser by lazy {
+            ItemStackArgumentType.itemStack(CommandRegistryAccess.of(MC.defaultRegistries,
+                                                                     FeatureFlags.VANILLA_FEATURES))
+        }
+        val dimensions = Dimension(18, 18)
+        val getItemForName = ::getItemForName0.memoize(1024)
+        fun getItemForName0(icon: String): ItemStack {
+            val repoItem = RepoManager.getNEUItem(SkyblockId(icon))
+            var itemStack = repoItem.asItemStack(idHint = SkyblockId(icon))
+            if (repoItem == null) {
+                val giveSyntaxItem = if (icon.startsWith("/give") || icon.startsWith("give"))
+                    icon.split(" ", limit = 3).getOrNull(2) ?: icon
+                else icon
+                val componentItem =
+                    runCatching {
+                        itemStackParser.parse(StringReader(giveSyntaxItem)).createStack(1, false)
+                    }.getOrNull()
+                if (componentItem != null)
+                    itemStack = componentItem
+            }
+            return itemStack
+        }
+    }
+
+    fun render(context: DrawContext) {
+        context.drawSprite(
+            0,
+            0,
+            0,
+            dimensions.width,
+            dimensions.height,
+            MC.guiAtlasManager.getSprite(Identifier.of("firmament:inventory_button_background"))
+        )
+        context.drawItem(getItem(), 1, 1)
+    }
+
+    fun isValid() = !icon.isNullOrBlank() && !command.isNullOrBlank()
+
+    fun getPosition(guiRect: Rectangle): Point {
+        return Point(
+            (if (anchorRight) guiRect.maxX else guiRect.minX) + x,
+            (if (anchorBottom) guiRect.maxY else guiRect.minY) + y,
+        )
+    }
+
+    fun getBounds(guiRect: Rectangle): Rectangle {
+        return Rectangle(getPosition(guiRect), dimensions)
+    }
+
+    fun getItem(): ItemStack {
+        return getItemForName(icon ?: "")
+    }
+
+}
diff --git a/src/main/kotlin/features/inventory/buttons/InventoryButtonEditor.kt b/src/main/kotlin/features/inventory/buttons/InventoryButtonEditor.kt
new file mode 100644
index 0000000..c57563e
--- /dev/null
+++ b/src/main/kotlin/features/inventory/buttons/InventoryButtonEditor.kt
@@ -0,0 +1,184 @@
+
+
+package moe.nea.firmament.features.inventory.buttons
+
+import io.github.notenoughupdates.moulconfig.common.IItemStack
+import io.github.notenoughupdates.moulconfig.platform.ModernItemStack
+import io.github.notenoughupdates.moulconfig.xml.Bind
+import me.shedaniel.math.Point
+import me.shedaniel.math.Rectangle
+import org.lwjgl.glfw.GLFW
+import net.minecraft.client.gui.DrawContext
+import net.minecraft.client.gui.widget.ButtonWidget
+import net.minecraft.client.util.InputUtil
+import net.minecraft.text.Text
+import net.minecraft.util.math.MathHelper
+import net.minecraft.util.math.Vec2f
+import moe.nea.firmament.util.ClipboardUtils
+import moe.nea.firmament.util.FragmentGuiScreen
+import moe.nea.firmament.util.MC
+import moe.nea.firmament.util.MoulConfigUtils
+
+class InventoryButtonEditor(
+    val lastGuiRect: Rectangle,
+) : FragmentGuiScreen() {
+    inner class Editor(val originalButton: InventoryButton) {
+        @field:Bind
+        var command: String = originalButton.command ?: ""
+
+        @field:Bind
+        var icon: String = originalButton.icon ?: ""
+
+        @Bind
+        fun getItemIcon(): IItemStack {
+            save()
+            return ModernItemStack.of(InventoryButton.getItemForName(icon))
+        }
+
+        @Bind
+        fun delete() {
+            buttons.removeIf { it === originalButton }
+            popup = null
+        }
+
+        fun save() {
+            originalButton.icon = icon
+            originalButton.command = command
+        }
+    }
+
+    var buttons: MutableList<InventoryButton> =
+        InventoryButtons.DConfig.data.buttons.map { it.copy() }.toMutableList()
+
+    override fun close() {
+        InventoryButtons.DConfig.data.buttons = buttons
+        InventoryButtons.DConfig.markDirty()
+        super.close()
+    }
+
+    override fun init() {
+        super.init()
+        addDrawableChild(
+            ButtonWidget.builder(Text.translatable("firmament.inventory-buttons.load-preset")) {
+                val t = ClipboardUtils.getTextContents()
+                val newButtons = InventoryButtonTemplates.loadTemplate(t)
+                if (newButtons != null)
+                    buttons = newButtons.toMutableList()
+            }
+                .position(lastGuiRect.minX + 10, lastGuiRect.minY + 35)
+                .width(lastGuiRect.width - 20)
+                .build()
+        )
+        addDrawableChild(
+            ButtonWidget.builder(Text.translatable("firmament.inventory-buttons.save-preset")) {
+                ClipboardUtils.setTextContent(InventoryButtonTemplates.saveTemplate(buttons))
+            }
+                .position(lastGuiRect.minX + 10, lastGuiRect.minY + 60)
+                .width(lastGuiRect.width - 20)
+                .build()
+        )
+    }
+
+    override fun render(context: DrawContext, mouseX: Int, mouseY: Int, delta: Float) {
+        super.render(context, mouseX, mouseY, delta)
+        context.matrices.push()
+        context.matrices.translate(0f, 0f, -10f)
+        context.fill(lastGuiRect.minX, lastGuiRect.minY, lastGuiRect.maxX, lastGuiRect.maxY, -1)
+        context.setShaderColor(1f, 1f, 1f, 1f)
+        context.matrices.pop()
+        for (button in buttons) {
+            val buttonPosition = button.getBounds(lastGuiRect)
+            context.matrices.push()
+            context.matrices.translate(buttonPosition.minX.toFloat(), buttonPosition.minY.toFloat(), 0F)
+            button.render(context)
+            context.matrices.pop()
+        }
+    }
+
+    override fun keyPressed(keyCode: Int, scanCode: Int, modifiers: Int): Boolean {
+        if (super.keyPressed(keyCode, scanCode, modifiers)) return true
+        if (keyCode == GLFW.GLFW_KEY_ESCAPE) {
+            close()
+            return true
+        }
+        return false
+    }
+
+    override fun mouseReleased(mouseX: Double, mouseY: Double, button: Int): Boolean {
+        if (super.mouseReleased(mouseX, mouseY, button)) return true
+        val clickedButton = buttons.firstOrNull { it.getBounds(lastGuiRect).contains(Point(mouseX, mouseY)) }
+        if (clickedButton != null && !justPerformedAClickAction) {
+            createPopup(MoulConfigUtils.loadGui("button_editor_fragment", Editor(clickedButton)), Point(mouseX, mouseY))
+            return true
+        }
+        justPerformedAClickAction = false
+        lastDraggedButton = null
+        return false
+    }
+
+    override fun mouseDragged(mouseX: Double, mouseY: Double, button: Int, deltaX: Double, deltaY: Double): Boolean {
+        if (super.mouseDragged(mouseX, mouseY, button, deltaX, deltaY)) return true
+
+        if (initialDragMousePosition.distanceSquared(Vec2f(mouseX.toFloat(), mouseY.toFloat())) >= 4 * 4) {
+            initialDragMousePosition = Vec2f(-10F, -10F)
+            lastDraggedButton?.let { dragging ->
+                justPerformedAClickAction = true
+                val (anchorRight, anchorBottom, offsetX, offsetY) = getCoordsForMouse(mouseX.toInt(), mouseY.toInt())
+                    ?: return true
+                dragging.x = offsetX
+                dragging.y = offsetY
+                dragging.anchorRight = anchorRight
+                dragging.anchorBottom = anchorBottom
+            }
+        }
+        return false
+    }
+
+    var lastDraggedButton: InventoryButton? = null
+    var justPerformedAClickAction = false
+    var initialDragMousePosition = Vec2f(-10F, -10F)
+
+    data class AnchoredCoords(
+        val anchorRight: Boolean,
+        val anchorBottom: Boolean,
+        val offsetX: Int,
+        val offsetY: Int,
+    )
+
+    fun getCoordsForMouse(mx: Int, my: Int): AnchoredCoords? {
+        if (lastGuiRect.contains(mx, my) || lastGuiRect.contains(
+                Point(
+                    mx + InventoryButton.dimensions.width,
+                    my + InventoryButton.dimensions.height,
+                )
+            )
+        ) return null
+
+        val anchorRight = mx > lastGuiRect.maxX
+        val anchorBottom = my > lastGuiRect.maxY
+        var offsetX = mx - if (anchorRight) lastGuiRect.maxX else lastGuiRect.minX
+        var offsetY = my - if (anchorBottom) lastGuiRect.maxY else lastGuiRect.minY
+        if (InputUtil.isKeyPressed(MC.window.handle, InputUtil.GLFW_KEY_LEFT_SHIFT)) {
+            offsetX = MathHelper.floor(offsetX / 20F) * 20
+            offsetY = MathHelper.floor(offsetY / 20F) * 20
+        }
+        return AnchoredCoords(anchorRight, anchorBottom, offsetX, offsetY)
+    }
+
+    override fun mouseClicked(mouseX: Double, mouseY: Double, button: Int): Boolean {
+        if (super.mouseClicked(mouseX, mouseY, button)) return true
+        val clickedButton = buttons.firstOrNull { it.getBounds(lastGuiRect).contains(Point(mouseX, mouseY)) }
+        if (clickedButton != null) {
+            lastDraggedButton = clickedButton
+            initialDragMousePosition = Vec2f(mouseX.toFloat(), mouseY.toFloat())
+            return true
+        }
+        val mx = mouseX.toInt()
+        val my = mouseY.toInt()
+        val (anchorRight, anchorBottom, offsetX, offsetY) = getCoordsForMouse(mx, my) ?: return true
+        buttons.add(InventoryButton(offsetX, offsetY, anchorRight, anchorBottom, null, null))
+        justPerformedAClickAction = true
+        return true
+    }
+
+}
diff --git a/src/main/kotlin/features/inventory/buttons/InventoryButtonTemplates.kt b/src/main/kotlin/features/inventory/buttons/InventoryButtonTemplates.kt
new file mode 100644
index 0000000..99b544b
--- /dev/null
+++ b/src/main/kotlin/features/inventory/buttons/InventoryButtonTemplates.kt
@@ -0,0 +1,35 @@
+
+
+package moe.nea.firmament.features.inventory.buttons
+