Re-Added Head Database integration

eco-core/core-plugin/build.gradle

@@ -29,6 +29,7 @@ dependencies {
     compileOnly 'com.willfp:Oraxen:e1f4003d8d'
     compileOnly 'com.github.brcdev-minecraft:shopgui-api:2.2.0'
     compileOnly 'com.github.LoneDev6:API-ItemsAdder:2.4.7'
+    compileOnly 'com.arcaniax:HeadDatabase-API:1.3.0'
 
     // CombatLogX V10 + NewbieHelper Expansion
     compileOnly 'com.SirBlobman.combatlogx:CombatLogX-API:10.0.0.0-SNAPSHOT'

eco-core/core-plugin/src/main/kotlin/com/willfp/eco/spigot/EcoSpigotPlugin.kt

@@ -30,6 +30,7 @@ import com.willfp.eco.spigot.eventlisteners.armor.ArmorListener
 import com.willfp.eco.spigot.gui.GUIListener
 import com.willfp.eco.spigot.integrations.anticheat.*
 import com.willfp.eco.spigot.integrations.antigrief.*
+import com.willfp.eco.spigot.integrations.customitems.CustomItemsHeadDatabase
 import com.willfp.eco.spigot.integrations.customitems.CustomItemsItemsAdder
 import com.willfp.eco.spigot.integrations.customitems.CustomItemsOraxen
 import com.willfp.eco.spigot.integrations.mcmmo.McmmoIntegrationImpl
@@ -142,7 +143,8 @@ abstract class EcoSpigotPlugin : EcoPlugin(
 
             // Custom Items
             IntegrationLoader("Oraxen") { CustomItemsManager.register(CustomItemsOraxen()) },
-            IntegrationLoader("ItemsAdder") { CustomItemsManager.register(CustomItemsItemsAdder(this)) },
+            IntegrationLoader("ItemsAdder") { CustomItemsManager.register(CustomItemsItemsAdder()) },
+            IntegrationLoader("HeadDatabase") { CustomItemsManager.register(CustomItemsHeadDatabase(this)) },
 
             // Shop
             IntegrationLoader("ShopGUIPlus") { ShopManager.register(ShopShopGuiPlus()) },

eco-core/core-plugin/src/main/kotlin/com/willfp/eco/spigot/integrations/customitems/CustomItemsHeadDatabase.kt

@@ -0,0 +1,59 @@
+package com.willfp.eco.spigot.integrations.customitems
+
+import com.willfp.eco.core.EcoPlugin
+import com.willfp.eco.core.integrations.customitems.CustomItemsWrapper
+import com.willfp.eco.core.items.CustomItem
+import com.willfp.eco.core.items.Items
+import com.willfp.eco.core.items.TestableItem
+import com.willfp.eco.core.items.provider.ItemProvider
+import com.willfp.eco.util.NamespacedKeyUtils
+import me.arcaniax.hdb.api.DatabaseLoadEvent
+import me.arcaniax.hdb.api.HeadDatabaseAPI
+import org.bukkit.event.EventHandler
+import org.bukkit.event.Listener
+import org.bukkit.inventory.ItemStack
+import java.util.function.Predicate
+
+class CustomItemsHeadDatabase(
+    plugin: EcoPlugin
+) : CustomItemsWrapper {
+    private val provider = HeadDBProvider()
+
+    init {
+        plugin.eventManager.registerListener(provider)
+    }
+
+    override fun registerAllItems() {
+        Items.registerItemProvider(HeadDBProvider())
+    }
+
+    override fun getPluginName(): String {
+        return "HeadDatabase"
+    }
+
+    private inner class HeadDBProvider : ItemProvider("headdb"), Listener {
+        private lateinit var api: HeadDatabaseAPI
+
+        override fun provideForKey(key: String): TestableItem? {
+            if (this::api.isInitialized) {
+                return null
+            }
+
+            val head = api.getItemHead(key) ?: return null
+            val namespacedKey = NamespacedKeyUtils.create("headdb", key)
+            return CustomItem(
+                namespacedKey,
+                Predicate { test: ItemStack ->
+                    val found = api.getItemID(test) ?: return@Predicate false
+                    found == key
+                },
+                head
+            )
+        }
+
+        @EventHandler
+        fun onLoad(event: DatabaseLoadEvent) {
+            api = HeadDatabaseAPI()
+        }
+    }
+}

eco-core/core-plugin/src/main/kotlin/com/willfp/eco/spigot/integrations/customitems/CustomItemsItemsAdder.kt

@@ -5,7 +5,6 @@ import com.willfp.eco.core.items.CustomItem
 import com.willfp.eco.core.items.Items
 import com.willfp.eco.core.items.TestableItem
 import com.willfp.eco.core.items.provider.ItemProvider
-import com.willfp.eco.core.recipe.parts.EmptyTestableItem
 import com.willfp.eco.util.NamespacedKeyUtils
 import dev.lone.itemsadder.api.CustomStack
 import org.bukkit.inventory.ItemStack
@@ -21,8 +20,8 @@ class CustomItemsItemsAdder : CustomItemsWrapper {
     }
 
     private class ItemsAdderProvider : ItemProvider("itemsadder") {
-        override fun provideForKey(key: String): TestableItem {
-            val item = CustomStack.getInstance("itemsadder:$key") ?: return EmptyTestableItem()
+        override fun provideForKey(key: String): TestableItem? {
+            val item = CustomStack.getInstance("itemsadder:$key") ?: return null
             val id = item.id
             val namespacedKey = NamespacedKeyUtils.create("itemsadder", key)
             val stack = item.itemStack

eco-core/core-plugin/src/main/resources/plugin.yml

@@ -24,6 +24,7 @@ softdepend:
   - ShopGUIPlus
   - ItemsAdder
   - Oraxen
+  - HeadDatabase
 libraries:
   - 'org.reflections:reflections:0.9.12'
   - 'org.apache.maven:maven-artifact:3.0.3'