Add slot locking

src/main/kotlin/moe/nea/firmament/features/FeatureManager.kt

@@ -4,6 +4,7 @@ import kotlinx.serialization.Serializable
 import kotlinx.serialization.serializer
 import moe.nea.firmament.Firmament
 import moe.nea.firmament.features.fishing.FishingWarning
+import moe.nea.firmament.features.inventory.SlotLocking
 import moe.nea.firmament.features.world.FairySouls
 import moe.nea.firmament.util.data.DataHolder
 
@@ -13,7 +14,7 @@ object FeatureManager : DataHolder<FeatureManager.Config>(serializer(), "feature
         val enabledFeatures: MutableMap<String, Boolean> = mutableMapOf()
     )
 
-    private val features = mutableMapOf<String, NEUFeature>()
+    private val features = mutableMapOf<String, FirmamentFeature>()
 
     private var hasAutoloaded = false
 
@@ -26,11 +27,12 @@ object FeatureManager : DataHolder<FeatureManager.Config>(serializer(), "feature
             if (hasAutoloaded) return
             loadFeature(FairySouls)
             loadFeature(FishingWarning)
+            loadFeature(SlotLocking)
             hasAutoloaded = true
         }
     }
 
-    fun loadFeature(feature: NEUFeature) {
+    fun loadFeature(feature: FirmamentFeature) {
         synchronized(features) {
             if (feature.identifier in features) {
                 Firmament.logger.error("Double registering feature ${feature.identifier}. Ignoring second instance $feature")

src/main/kotlin/moe/nea/firmament/features/FirmamentFeature.kt

@@ -2,7 +2,7 @@ package moe.nea.firmament.features
 
 import moe.nea.firmament.util.config.ManagedConfig
 
-interface NEUFeature {
+interface FirmamentFeature {
     val name: String
     val identifier: String
     val defaultEnabled: Boolean

src/main/kotlin/moe/nea/firmament/features/fishing/FishingWarning.kt

@@ -13,13 +13,13 @@ import net.minecraft.util.math.Vec3d
 import moe.nea.firmament.events.ParticleSpawnEvent
 import moe.nea.firmament.events.WorldReadyEvent
 import moe.nea.firmament.events.WorldRenderLastEvent
-import moe.nea.firmament.features.NEUFeature
+import moe.nea.firmament.features.FirmamentFeature
 import moe.nea.firmament.util.MC
 import moe.nea.firmament.util.TimeMark
 import moe.nea.firmament.util.config.ManagedConfig
 import moe.nea.firmament.util.render.RenderBlockContext.Companion.renderBlocks
 
-object FishingWarning : NEUFeature {
+object FishingWarning : FirmamentFeature {
     override val name: String
         get() = "Fishing Warning"
     override val identifier: String

src/main/kotlin/moe/nea/firmament/features/inventory/SlotLocking.kt

@@ -0,0 +1,68 @@
+package moe.nea.firmament.features.inventory
+
+import kotlinx.serialization.Serializable
+import kotlinx.serialization.serializer
+import net.minecraft.client.gui.DrawableHelper
+import net.minecraft.entity.player.PlayerInventory
+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.keybindings.FirmamentKeyBindings
+import moe.nea.firmament.mixins.accessor.AccessorHandledScreen
+import moe.nea.firmament.util.CommonSoundEffects
+import moe.nea.firmament.util.MC
+import moe.nea.firmament.util.data.ProfileSpecificDataHolder
+
+object SlotLocking : FirmamentFeature {
+    override val name: String
+        get() = "Slot Locking"
+    override val identifier: String
+        get() = "slot-locking"
+
+    @Serializable
+    data class Data(
+        val lockedSlots: MutableSet<Int> = mutableSetOf(),
+    )
+
+    object DConfig : ProfileSpecificDataHolder<Data>(serializer(), "locked-slots", ::Data)
+
+    val keyBinding by FirmamentKeyBindings::SLOT_LOCKING
+    val lockedSlots get() = DConfig.data?.lockedSlots
+    override fun onLoad() {
+        HandledScreenKeyPressedEvent.subscribe {
+            if (!it.matches(keyBinding)) return@subscribe
+            val inventory = MC.handledScreen ?: return@subscribe
+            inventory as AccessorHandledScreen
+
+            val slot = inventory.focusedSlot_NEU ?: return@subscribe
+            val lockedSlots = lockedSlots ?: return@subscribe
+            if (slot.inventory is PlayerInventory) {
+                if (slot.index in lockedSlots) {
+                    lockedSlots.remove(slot.index)
+                } else {
+                    lockedSlots.add(slot.index)
+                }
+                DConfig.markDirty()
+                CommonSoundEffects.playSuccess()
+            }
+        }
+        IsSlotProtectedEvent.subscribe {
+            if (it.slot.inventory is PlayerInventory && it.slot.index in (lockedSlots ?: setOf())) {
+                it.protect()
+            }
+        }
+        SlotRenderEvents.Before.subscribe {
+            if (it.slot.inventory is PlayerInventory && it.slot.index in (lockedSlots ?: setOf())) {
+                DrawableHelper.fill(
+                    it.matrices,
+                    it.slot.x,
+                    it.slot.y,
+                    it.slot.x + 16,
+                    it.slot.y + 16,
+                    0xFFFF0000.toInt()
+                )
+            }
+        }
+    }
+}

src/main/kotlin/moe/nea/firmament/features/world/FairySouls.kt

@@ -6,7 +6,7 @@ import kotlinx.serialization.serializer
 import moe.nea.firmament.events.ServerChatLineReceivedEvent
 import moe.nea.firmament.events.SkyblockServerUpdateEvent
 import moe.nea.firmament.events.WorldRenderLastEvent
-import moe.nea.firmament.features.NEUFeature
+import moe.nea.firmament.features.FirmamentFeature
 import moe.nea.firmament.repo.RepoManager
 import moe.nea.firmament.util.MC
 import moe.nea.firmament.util.SBData
@@ -17,7 +17,7 @@ import moe.nea.firmament.util.render.RenderBlockContext.Companion.renderBlocks
 import moe.nea.firmament.util.unformattedString
 
 
-object FairySouls : NEUFeature {
+object FairySouls : FirmamentFeature {
 
 
     @Serializable