project: Injector add CheckCast support for copy classes

deobfuscator/src/main/java/net/runelite/asm/attributes/code/instructions/CheckCast.java

@@ -47,6 +47,13 @@ public class CheckCast extends Instruction implements TypeInstruction
 		super(instructions, InstructionType.CHECKCAST);
 	}
 
+	public CheckCast(Instructions instructions, Type type)
+	{
+		super(instructions, InstructionType.CHECKCAST);
+
+		this.type = type;
+	}
+
 	public CheckCast(Instructions instructions, InstructionType type)
 	{
 		super(instructions, type);

injector/src/main/java/com/openosrs/injector/injectors/raw/CopyRuneLiteClasses.java

@@ -19,6 +19,7 @@ import net.runelite.asm.Type;
 import net.runelite.asm.attributes.Code;
 import net.runelite.asm.attributes.code.Instruction;
 import net.runelite.asm.attributes.code.Instructions;
+import net.runelite.asm.attributes.code.instructions.CheckCast;
 import net.runelite.asm.attributes.code.instructions.GetField;
 import net.runelite.asm.attributes.code.instructions.GetStatic;
 import net.runelite.asm.attributes.code.instructions.InvokeSpecial;
@@ -228,6 +229,11 @@ public class CopyRuneLiteClasses extends AbstractInjector
 						iterator.set(new New(ins, inject.toVanilla(deobClass)));
 					}
 				}
+				else if (i instanceof CheckCast)
+				{
+					CheckCast clazz = ((CheckCast) i);
+					iterator.set(new CheckCast(ins, getObfuscatedSignature(clazz.getType_())));
+				}
 			}
 		}
 	}

runescape-client/src/main/java/RuneLiteIterableLinkDeque.java

@@ -19,7 +19,7 @@ public class RuneLiteIterableLinkDeque implements Iterator<Link>
 	}
 
 	@Override
-	public Link next()
+	public FriendLoginUpdate next()
 	{
 		if (this.link == this.linkDeque.sentinel)
 		{
@@ -27,7 +27,7 @@ public class RuneLiteIterableLinkDeque implements Iterator<Link>
 		}
 		else
 		{
-			Link friendLoginUpdate = this.link;
+			FriendLoginUpdate friendLoginUpdate = (FriendLoginUpdate) this.link;
 			this.link = this.link.previous;
 
 			return friendLoginUpdate;