Added proper grimoire texture and fixed some bugs

common/src/main/java/miyucomics/hexical/items/GrimoireItem.kt

@@ -22,7 +22,9 @@ class GrimoireItem : Item(Settings().maxCount(1)) {
 		}
 
 		fun getPatternInGrimoire (stack: ItemStack, key: HexPattern, world: ServerWorld): List<Iota>? {
-			val patsTag = stack.orCreateNbt.getList(key.anglesSignature(), NbtElement.COMPOUND_TYPE.toInt()) ?: return null;
+			val patsTag = stack.orCreateNbt.getList(key.anglesSignature(), NbtElement.COMPOUND_TYPE.toInt())
+			if (patsTag.isEmpty())
+				return null
 			val out = ArrayList<Iota>()
 			for (patTag in patsTag)
 				out.add(HexIotaTypes.deserialize(patTag as NbtCompound, world));

common/src/main/java/miyucomics/hexical/utils/CastingUtils.kt

@@ -34,10 +34,15 @@ class CastingUtils {
 				if (stack.item != HexicalItems.GRIMOIRE_ITEM)
 					continue
 				val value = GrimoireItem.getPatternInGrimoire(stack, pattern, player.getWorld())
-				if (value != null) {
-					player.sendMessage(Text.literal("WOO, IT HAD A PATTERN LIST"))
+				if (value != null)
+					return value
+			}
+			for (stack in player.inventory.offHand) {
+				if (stack.item != HexicalItems.GRIMOIRE_ITEM)
+					continue
+				val value = GrimoireItem.getPatternInGrimoire(stack, pattern, player.getWorld())
+				if (value != null)
 					return value
-				}
 			}
 			return null
 		}

common/src/main/resources/assets/hexical/models/item/grimoire.json

@@ -1,6 +1,6 @@
 {
 	"parent": "minecraft:item/generated",
 	"textures": {
-		"layer0": "minecraft:item/knowledge_book"
+		"layer0": "hexical:item/grimoire"
 	}
 }