Utils.java

package gory_moon.moarsigns.util;

import com.google.common.collect.Maps;
import gory_moon.moarsigns.api.ISignRegistration;
import gory_moon.moarsigns.api.IntegrationRegistry;
import gory_moon.moarsigns.api.SignInfo;
import gory_moon.moarsigns.api.SignRegistry;
import net.minecraft.client.gui.FontRenderer;
import net.minecraft.util.ResourceLocation;
import net.minecraftforge.fml.common.Loader;
import net.minecraftforge.fml.common.ModContainer;
import net.minecraftforge.fml.relauncher.Side;
import net.minecraftforge.fml.relauncher.SideOnly;

import java.util.LinkedHashMap;
import java.util.Map;
import java.util.SortedSet;
import java.util.TreeSet;
import java.util.regex.Pattern;

public class Utils {

    private static LinkedHashMap<String, String> modNames = Maps.newLinkedHashMap();
    private static LinkedHashMap<String, ResourceLocation> textures = Maps.newLinkedHashMap();

    private static int[] maxLengths = {90, 82, 76, 70, 66, 62, 58, 54, 52, 50, 48, 46, 44, 42, 40, 38, 36, 36, 34, 32, 32};
    private static int[] maxTextLocation = {36, 32, 29, 27, 24, 22, 21, 19, 17, 16, 15, 14, 13, 12, 11, 11, 10, 9, 9, 8, 8};

    public static int getRows(int size) {
        return size > 15 ? 1 : (size > 5 ? 2 : (size > 1 ? 3 : 4));
    }

    public static int getMaxLength(int size) {
        return maxLengths.length > size ? maxLengths[size] : 0;
    }

    public static int getMaxTextOffset(int size) {
        return maxTextLocation.length > size ? maxTextLocation[size] : 0;
    }

    public static boolean isAllowedCharacter(char p_71566_0_) {
        return p_71566_0_ >= 32 && p_71566_0_ != 127;
    }

    public static int getStyleOffset(String s, boolean b) {
        return (isUnderlined(s) ? 1 : 0) + (b ? 1 : 0);
    }

    @SideOnly(Side.CLIENT)
    public static int toPixelWidth(FontRenderer fr, int i) {
        return fr.getCharWidth('i') * i;
    }

    public static <K,V extends Comparable<? super V>> SortedSet<Map.Entry<K,V>> entriesSortedByValues(Map<K,V> map) {
        SortedSet<Map.Entry<K,V>> sortedEntries = new TreeSet<>((e1, e2) -> {
            int res = e1.getValue().compareTo(e2.getValue());
            return res != 0 ? res : 1;
        });
        sortedEntries.addAll(map.entrySet());
        return sortedEntries;
    }

    public static boolean isUnderlined(String s) {
        return Pattern.compile("(\\{" + (char) 8747 + "n\\})|(" + (char) 167 + ")").matcher(s).find();
    }

    public static String getModName(String modID) {
        Map<String, ModContainer> mods = Loader.instance().getIndexedModList();
        if (mods.containsKey(modID)) {
            return mods.get(modID).getName();
        }

        if (modNames.containsKey(modID))
            return modNames.get(modID);

        ISignRegistration registration = IntegrationRegistry.getWithTag(modID);
        if (registration != null) {
            modNames.put(modID, registration.getModName());
            return registration.getModName();
        }

        return "Minecraft";
    }

    public static ResourceLocation getResourceLocation(String s, boolean isMetal) {
        ResourceLocation location = textures.get(isMetal + s);

        if (location == null) {
            SignInfo info = SignRegistry.get(s);

            if (info == null)
                return null;

            location = new ResourceLocation(info.modId.toLowerCase(), "textures/signs/" + (isMetal ? "metal/" : "wood/") + s + ".png");
            textures.put(s, location);
        }

        return location;
    }

}