Add ItemType -> ItemStack converter for java calls

Author: TPGamesNL

src/main/java/com/btk5h/skriptmirror/skript/reflect/ExprJavaCall.java

@@ -1,6 +1,7 @@
 package com.btk5h.skriptmirror.skript.reflect;
 
 import ch.njol.skript.Skript;
+import ch.njol.skript.aliases.ItemType;
 import ch.njol.skript.classes.Changer;
 import ch.njol.skript.classes.ClassInfo;
 import ch.njol.skript.lang.Expression;
@@ -20,6 +21,7 @@
 import com.btk5h.skriptmirror.util.SkriptUtil;
 import com.btk5h.skriptmirror.util.StringSimilarity;
 import org.bukkit.event.Event;
+import org.bukkit.inventory.ItemStack;
 
 import java.io.File;
 import java.io.PrintWriter;
@@ -591,6 +593,11 @@ private static boolean canCoerceType(Object o, Class<?> to) {
       return true;
     }
 
+    // coerce a Skript ItemType to an ItemStack
+    if (o instanceof ItemType && to == ItemStack.class) {
+      return true;
+    }
+
     // coerce javaclasses and classinfos into classes
     if (to == Class.class && (o instanceof JavaType || o instanceof ClassInfo)) {
       return true;
@@ -659,6 +666,11 @@ private static Object[] convertTypes(MethodHandle mh, Object[] args) {
         args[i] = ((String) args[i]).charAt(0);
       }
 
+      // coerce a Skript ItemType to an ItemStack
+      if (args[i] instanceof ItemType && param == ItemStack.class) {
+        args[i] = ((ItemType) args[i]).getRandom();
+      }
+
       // coerce javatypes and classinfos into classes
       if (param == Class.class) {
         if (args[i] instanceof JavaType) {