Add missing name normalization to lookup plugin

game/src/plugins/util/lookup/src/lookup.kt

@@ -1,17 +1,24 @@
 import org.apollo.cache.def.*
 
 fun lookup_object(name: String): ObjectDefinition? {
-    val definitions = ObjectDefinition.getDefinitions()
-    return definitions.filter { name.equals(it.name, true) }.firstOrNull()
+    return find_entity(ObjectDefinition::getDefinitions, ObjectDefinition::getName, name)
 }
 
 fun lookup_npc(name: String): NpcDefinition? {
-    val definitions = NpcDefinition.getDefinitions()
-    return definitions.filter { name.equals(it.name, true) }.firstOrNull()
+    return find_entity(NpcDefinition::getDefinitions, NpcDefinition::getName, name)
 }
 
 fun lookup_item(name: String): ItemDefinition? {
-    val definitions = ItemDefinition.getDefinitions()
-    return definitions.filter { name.equals(it.name, true) }.firstOrNull()
+    return find_entity(ItemDefinition::getDefinitions, ItemDefinition::getName, name)
 }
 
+private fun <T : Any> find_entity(definitionsProvider: () -> Array<T>,
+                                  nameSupplier: T.() -> String,
+                                  name: String): T? {
+
+    val normalizedName = name.replace('_', ' ')
+    val definitions = definitionsProvider.invoke();
+    val matcher: (T) -> Boolean = { it.nameSupplier().equals(normalizedName, true) }
+
+    return definitions.filter(matcher).firstOrNull()
+}