LootTable API & Replenishable Lootables Feature

Provides an API to control the loot table for an object.
Also provides a feature that any Lootable Inventory (Chests in Structures)
can automatically replenish after a given time.

This feature is good for long term worlds so that newer players
do not suffer with "Every chest has been looted"

API and Event added to control the Auto Replenish feature for players.

Spigot-Server-Patches/Paper-config-files.patch

@@ -22,7 +22,9 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +import java.util.HashMap;
 +import java.util.List;
 +import java.util.Map;
++import java.util.concurrent.TimeUnit;
 +import java.util.logging.Level;
++import java.util.regex.Pattern;
 +
 +import net.minecraft.server.MinecraftServer;
 +import org.bukkit.Bukkit;
@@ -98,6 +100,46 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +        }
 +    }
 +
++    private static final Pattern SPACE = Pattern.compile(" ");
++    private static final Pattern NOT_NUMERIC = Pattern.compile("[^-\\d.]");
++    public static int getSeconds(String str) {
++        str = SPACE.matcher(str).replaceAll("");
++        final char unit = str.charAt(str.length() - 1);
++        str = NOT_NUMERIC.matcher(str).replaceAll("");
++        double num;
++        try {
++            num = Double.parseDouble(str);
++        } catch (Exception e) {
++            num = 0D;
++        }
++        switch (unit) {
++            case 'd': num *= (double) 60*60*24; break;
++            case 'h': num *= (double) 60*60; break;
++            case 'm': num *= (double) 60; break;
++            default: case 's': break;
++        }
++        return (int) num;
++    }
++
++    protected static String timeSummary(int seconds) {
++        String time = "";
++
++        if (seconds > 60 * 60 * 24) {
++            time += TimeUnit.SECONDS.toDays(seconds) + "d";
++            seconds %= 60 * 60 * 24;
++        }
++
++        if (seconds > 60 * 60) {
++            time += TimeUnit.SECONDS.toHours(seconds) + "h";
++            seconds %= 60 * 60;
++        }
++
++        if (seconds > 0) {
++            time += TimeUnit.SECONDS.toMinutes(seconds) + "m";
++        }
++        return time;
++    }
++
 +    private static void set(String path, Object val) {
 +        config.set(path, val);
 +    }