CraftTweaker/MineTweaker3-MC1102-Main/src/main/java/com/blamejared/ctgui/api/GuiRegistry.java

package com.blamejared.ctgui.api;

import net.minecraftforge.fml.common.network.IGuiHandler;

import java.util.*;

/**
 * Created by Jared.
 */
public class GuiRegistry {

    public static Map<List<Integer>, IGuiHandler> guiMap = new HashMap<>();

    public static void registerGui(List<Integer> idRange, IGuiHandler handler) {
        getGuiMap().put(idRange, handler);
    }

    public static IGuiHandler getHandlerForID(int id) {
        for(Map.Entry<List<Integer>, IGuiHandler> entry : getGuiMap().entrySet()) {
            if(entry.getKey().contains(id)) {
                return entry.getValue();
            }
        }
        return null;
    }

    public static Map<List<Integer>, IGuiHandler> getGuiMap() {
        return guiMap;
    }
}