2 files changed, 49 insertions, 9 deletions
diff --git a/src/main/kotlin/moe/nea/notenoughupdates/rei/NEUReiPlugin.kt b/src/main/kotlin/moe/nea/notenoughupdates/rei/NEUReiPlugin.kt
index 475a5c9..f4a01fd 100644
--- a/src/main/kotlin/moe/nea/notenoughupdates/rei/NEUReiPlugin.kt
+++ b/src/main/kotlin/moe/nea/notenoughupdates/rei/NEUReiPlugin.kt
@@ -1,15 +1,23 @@
 package moe.nea.notenoughupdates.rei
 
+import dev.architectury.event.CompoundEventResult
 import io.github.moulberry.repo.data.NEUItem
+import me.shedaniel.math.Point
 import me.shedaniel.rei.api.client.plugins.REIClientPlugin
 import me.shedaniel.rei.api.client.registry.entry.EntryRegistry
+import me.shedaniel.rei.api.client.registry.screen.FocusedStackProvider
+import me.shedaniel.rei.api.client.registry.screen.ScreenRegistry
 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 moe.nea.notenoughupdates.repo.ItemCache.asItemStack
-import moe.nea.notenoughupdates.repo.RepoManager
+import net.minecraft.client.gui.screen.Screen
+import net.minecraft.client.gui.screen.ingame.HandledScreen
 import net.minecraft.item.ItemStack
 import net.minecraft.util.Identifier
+import moe.nea.notenoughupdates.mixins.accessor.AccessorHandledScreen
+import moe.nea.notenoughupdates.repo.ItemCache.asItemStack
+import moe.nea.notenoughupdates.repo.RepoManager
+import moe.nea.notenoughupdates.util.skyBlockId
 
 
 class NEUReiPlugin : REIClientPlugin {
@@ -26,6 +34,21 @@ class NEUReiPlugin : REIClientPlugin {
         registry.register(SKYBLOCK_ITEM_TYPE_ID, SBItemEntryDefinition)
     }
 
+    override fun registerScreens(registry: ScreenRegistry) {
+        registry.registerFocusedStack(object : FocusedStackProvider {
+            override fun provide(screen: Screen?, mouse: Point?): CompoundEventResult<EntryStack<*>> {
+                if (screen !is HandledScreen<*>) return CompoundEventResult.pass()
+                screen as AccessorHandledScreen
+                val focusedSlot = screen.focusedSlot_NEU ?: return CompoundEventResult.pass()
+                val item = focusedSlot.stack ?: return CompoundEventResult.pass()
+                val skyblockId = item.skyBlockId ?: return CompoundEventResult.pass()
+                val neuItem = RepoManager.getNEUItem(skyblockId) ?: return CompoundEventResult.interrupt(false, null)
+                return CompoundEventResult.interruptTrue(EntryStack.of(SBItemEntryDefinition, neuItem))
+            }
+
+            override fun getPriority(): Double = 1_000_000.0
+        })
+    }
 
     override fun registerEntries(registry: EntryRegistry) {
         RepoManager.neuRepo.items?.items?.values?.forEach {
diff --git a/src/main/kotlin/moe/nea/notenoughupdates/rei/SBItemEntryDefinition.kt b/src/main/kotlin/moe/nea/notenoughupdates/rei/SBItemEntryDefinition.kt
index 6e88b42..22835e6 100644
--- a/src/main/kotlin/moe/nea/notenoughupdates/rei/SBItemEntryDefinition.kt
+++ b/src/main/kotlin/moe/nea/notenoughupdates/rei/SBItemEntryDefinition.kt
@@ -1,6 +1,7 @@
 package moe.nea.notenoughupdates.rei
 
 import io.github.moulberry.repo.data.NEUItem
+import java.util.stream.Stream
 import me.shedaniel.math.Rectangle
 import me.shedaniel.rei.api.client.entry.renderer.EntryRenderer
 import me.shedaniel.rei.api.client.gui.widgets.Tooltip
@@ -11,15 +12,17 @@ import me.shedaniel.rei.api.common.entry.comparison.ComparisonContext
 import me.shedaniel.rei.api.common.entry.type.EntryDefinition
 import me.shedaniel.rei.api.common.entry.type.EntryType
 import me.shedaniel.rei.api.common.entry.type.VanillaEntryTypes
-import moe.nea.notenoughupdates.rei.NEUReiPlugin.Companion.asItemEntry
-import moe.nea.notenoughupdates.repo.ItemCache.asItemStack
-import moe.nea.notenoughupdates.repo.ItemCache.getIdentifier
 import net.minecraft.client.util.math.MatrixStack
 import net.minecraft.item.ItemStack
+import net.minecraft.nbt.NbtCompound
+import net.minecraft.registry.tag.TagKey
 import net.minecraft.text.Text
 import net.minecraft.util.Identifier
-import java.util.stream.Stream
-import net.minecraft.registry.tag.TagKey
+import moe.nea.notenoughupdates.rei.NEUReiPlugin.Companion.asItemEntry
+import moe.nea.notenoughupdates.repo.ItemCache.asItemStack
+import moe.nea.notenoughupdates.repo.ItemCache.getIdentifier
+import moe.nea.notenoughupdates.repo.RepoManager
+import moe.nea.notenoughupdates.util.SkyblockId
 
 object SBItemEntryDefinition : EntryDefinition<NEUItem> {
     override fun equals(o1: NEUItem?, o2: NEUItem?, context: ComparisonContext?): Boolean {
@@ -57,8 +60,21 @@ object SBItemEntryDefinition : EntryDefinition<NEUItem> {
 
     }
 
-    override fun getSerializer(): EntrySerializer<NEUItem>? {
-        return null
+    override fun getSerializer(): EntrySerializer<NEUItem?> {
+        return object : EntrySerializer<NEUItem?> {
+            override fun supportSaving(): Boolean = true
+            override fun supportReading(): Boolean = true
+
+            override fun read(tag: NbtCompound): NEUItem? {
+                return RepoManager.getNEUItem(SkyblockId(tag.getString("SKYBLOCK_ID")))
+            }
+
+            override fun save(entry: EntryStack<NEUItem?>, value: NEUItem?): NbtCompound {
+                return NbtCompound().apply {
+                    putString("SKYBLOCK_ID", value?.skyblockItemId ?: "null")
+                }
+            }
+        }
     }
 
     override fun getTagsFor(entry: EntryStack<NEUItem>?, value: NEUItem?): Stream<out TagKey<*>>? {
@@ -70,6 +86,7 @@ object SBItemEntryDefinition : EntryDefinition<NEUItem> {
     }
 
     override fun hash(entry: EntryStack<NEUItem>, value: NEUItem, context: ComparisonContext): Long {
+        // Repo items are immutable, and get replaced entirely when loaded from disk
         return System.identityHashCode(value) * 31L
     }