Added server freshness-indicators

- ≈ when server was last restarted
- cmd: `/moo worldage`
- notifications when switching worlds (toggleable via config)

6 files changed, 109 insertions, 1 deletions

diff --git a/CHANGELOG.md b/CHANGELOG.md
index b96f2f0..73c6627 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,10 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
   - Short alias `/m` for `/moo` command
   - Copy inventories to clipboard as JSON with <kbd>CTRL</kbd> + <kbd>C</kbs>
 - Added sound when a best friend comes online (deactivated by default)
+- Check how long current world has been loaded
+  - ≈ when server was last restarted
+  - via command `/moo worldage`
+  - notification when joining a recently loaded or a very old server (toggleable via config)
 
 ### Changed
 - Item age: show timestamp in the local timezone instead of "SkyBlock"-timezone (Eastern Time; also fixed the incorrect 12h ↔ 24h clock conversion)
diff --git a/README.md b/README.md
index 1661b74..54ade8d 100644
--- a/README.md
+++ b/README.md
@@ -28,6 +28,7 @@ It is a collection of different features mainly focused on Hypixel SkyBlock. �
 | Analyze minions on a private island                                     | `/moo analyzeIsland`                    |
 | Dungeon interfaces enhancements (normalize dungeon item stats, improved party finder) | Hold <kbd>shift</kbd> (configurable) while viewing a dungeon item tooltip |
 | Dungeon performance tracker and overlay: Skill score calculation, class milestone tracker, destroyed crypts tracker, and elapsed time indicator | automatically; or with `/moo dungeon` |
+| Check how long current world has been loaded (≈ when the server was last restarted) | `/moo worldage` + `/moo config` &rarr; SkyBlock |
 
 ## Download
 You can download the compiled .jar files from the [release section](https://github.com/cow-mc/Cowlection/releases).
diff --git a/src/main/java/de/cowtipper/cowlection/command/MooCommand.java b/src/main/java/de/cowtipper/cowlection/command/MooCommand.java
index d2f433d..51a14fe 100644
--- a/src/main/java/de/cowtipper/cowlection/command/MooCommand.java
+++ b/src/main/java/de/cowtipper/cowlection/command/MooCommand.java
@@ -16,6 +16,7 @@ import de.cowtipper.cowlection.search.GuiSearch;
 import de.cowtipper.cowlection.util.*;
 import net.minecraft.client.Minecraft;
 import net.minecraft.client.gui.GuiScreen;
+import net.minecraft.client.multiplayer.WorldClient;
 import net.minecraft.client.settings.GameSettings;
 import net.minecraft.command.*;
 import net.minecraft.entity.Entity;
@@ -121,6 +122,36 @@ public class MooCommand extends CommandBase {
         } else if (args[0].equalsIgnoreCase("whatyearisit") || args[0].equalsIgnoreCase("year")) {
             long year = ((System.currentTimeMillis() - 1560275700000L) / (TimeUnit.HOURS.toMillis(124))) + 1;
             main.getChatHelper().sendMessage(EnumChatFormatting.YELLOW, "It is SkyBlock year " + EnumChatFormatting.GOLD + year + EnumChatFormatting.YELLOW + ".");
+        } else if (args[0].equalsIgnoreCase("worldage")) {
+            long worldTime = Minecraft.getMinecraft().theWorld.getWorldTime();
+            new TickDelay(() -> {
+                WorldClient world = Minecraft.getMinecraft().theWorld;
+                if (world == null) {
+                    return;
+                }
+                String msgPrefix;
+                long worldTime2 = world.getWorldTime();
+                if (worldTime > worldTime2 || (worldTime2 - worldTime) < 15) {
+                    // time is frozen
+                    worldTime2 = world.getTotalWorldTime();
+                    msgPrefix = "World time seems to be frozen at around " + worldTime + " ticks. ";
+                    if (worldTime2 > 24 * 60 * 60 * 20) {
+                        // total world time >24h
+                        main.getChatHelper().sendMessage(EnumChatFormatting.GOLD, msgPrefix + "However, how long this world is loaded cannot be determined.");
+                        return;
+                    }
+                    msgPrefix += "However, this world is probably";
+                } else {
+                    msgPrefix = "This world is";
+                }
+                long days = worldTime2 / 24000L + 1;
+                long minutes = days * 20;
+                long hours = minutes / 60;
+                minutes -= hours * 60;
+
+                main.getChatHelper().sendMessage(EnumChatFormatting.YELLOW, msgPrefix + " loaded around " + EnumChatFormatting.GOLD + days + " ingame days "
+                        + EnumChatFormatting.YELLOW + "(= less than " + EnumChatFormatting.GOLD + (hours > 0 ? hours + " hours " : "") + (minutes > 0 ? minutes + " mins " : "") + ")");
+            }, 20);
         }
         //endregion
         //region sub-commands: update mod
@@ -795,6 +826,7 @@ public class MooCommand extends CommandBase {
                 .appendSibling(createCmdHelpEntry("dungeon party", "SkyBlock Dungeons: Shows armor and dungeon info about current party members " + EnumChatFormatting.GRAY + "(alias: " + EnumChatFormatting.WHITE + "/" + getCommandName() + " dp" + EnumChatFormatting.GRAY + ") §d§l⚷"))
                 .appendSibling(createCmdHelpSection(3, "Miscellaneous"))
                 .appendSibling(createCmdHelpEntry("search", "Open Minecraft log search"))
+                .appendSibling(createCmdHelpEntry("worldage", "Check how long the current world is loaded"))
                 .appendSibling(createCmdHelpEntry("guiScale", "Change GUI scale"))
                 .appendSibling(createCmdHelpEntry("rr", "Alias for /r without auto-replacement to /msg"))
                 .appendSibling(createCmdHelpEntry("shrug", "¯\\_(ツ)_/¯"))
@@ -828,7 +860,7 @@ public class MooCommand extends CommandBase {
             return getListOfStringsMatchingLastWord(args,
                     /* Best friends, friends & other players */ "stalk", "add", "remove", "list", "online", "nameChangeCheck",
                     /* SkyBlock */ "stalkskyblock", "skyblockstalk", "analyzeIsland", "dungeon",
-                    /* miscellaneous */ "config", "search", "guiscale", "rr", "shrug", "apikey",
+                    /* miscellaneous */ "config", "search", "worldage", "guiscale", "rr", "shrug", "apikey",
                     /* update mod */ "update", "updateHelp", "version", "directory",
                     /* help */ "help",
                     /* rarely used aliases */ "askPolitelyWhereTheyAre", "askPolitelyAboutTheirSkyBlockProgress", "year", "whatyearisit");
diff --git a/src/main/java/de/cowtipper/cowlection/config/MooConfig.java b/src/main/java/de/cowtipper/cowlection/config/MooConfig.java
index 6922c2e..5266438 100644
--- a/src/main/java/de/cowtipper/cowlection/config/MooConfig.java
+++ b/src/main/java/de/cowtipper/cowlection/config/MooConfig.java
@@ -64,6 +64,8 @@ public class MooConfig {
     public static boolean doBestFriendsOnlineCheck;
     // Category: SkyBlock
     private static String enableSkyBlockOnlyFeatures;
+    public static int notifyFreshServer;
+    public static int notifyOldServer;
     public static int tooltipToggleKeyBinding;
     private static String tooltipAuctionHousePriceEach;
     private static String tooltipItemAge;
@@ -295,6 +297,16 @@ public class MooConfig {
         Property propEnableSkyBlockOnlyFeatures = subCat.addConfigEntry(cfg.get(configCat.getConfigName(),
                 "enableSkyBlockOnlyFeatures", "on SkyBlock", "Enable SkyBlock-only features?", new String[]{"on SkyBlock", "always", "never"}));
 
+        // Sub-Category: Server age notifications
+        subCat = configCat.addSubCategory("Server age notifications");
+        subCat.addExplanations("Servers usually restart once they exceed " + EnumChatFormatting.YELLOW + "30-38 ingame days " + EnumChatFormatting.RESET + "(10-13 hours)",
+                "Use the command " + EnumChatFormatting.YELLOW + "/moo worldage " + EnumChatFormatting.RESET + "to check how long the current world is loaded.",
+                EnumChatFormatting.ITALIC + "Set a value to 0 to disable that notification.");
+        Property propNotifyFreshServer = subCat.addConfigEntry(cfg.get(configCat.getConfigName(),
+                "notifyFreshServer", 1, "Notify when a world is loaded <X ingame days", 0, 40));
+        Property propNotifyOldServer = subCat.addConfigEntry(cfg.get(configCat.getConfigName(),
+                "notifyOldServer", 30, "Notify when a world is loaded >X ingame days", 0, 40));
+
         // Sub-Category: Tooltip enhancements
         subCat = configCat.addSubCategory("Tooltip enhancements");
 
@@ -454,6 +466,8 @@ public class MooConfig {
             doBestFriendsOnlineCheck = propDoBestFriendsOnlineCheck.getBoolean();
             // Category: SkyBlock
             enableSkyBlockOnlyFeatures = propEnableSkyBlockOnlyFeatures.getString();
+            notifyFreshServer = propNotifyFreshServer.getInt();
+            notifyOldServer = propNotifyOldServer.getInt();
             tooltipToggleKeyBinding = propTooltipToggleKeyBinding.getInt();
             tooltipAuctionHousePriceEach = propTooltipAuctionHousePriceEach.getString();
             tooltipItemAge = propTooltipItemAge.getString();
@@ -503,6 +517,8 @@ public class MooConfig {
         propDoBestFriendsOnlineCheck.set(doBestFriendsOnlineCheck);
         // Category: SkyBlock
         propEnableSkyBlockOnlyFeatures.set(enableSkyBlockOnlyFeatures);
+        propNotifyFreshServer.set(notifyFreshServer);
+        propNotifyOldServer.set(notifyOldServer);
         propTooltipToggleKeyBinding.set(tooltipToggleKeyBinding);
         propTooltipAuctionHousePriceEach.set(tooltipAuctionHousePriceEach);
         propTooltipItemAge.set(tooltipItemAge);
diff --git a/src/main/java/de/cowtipper/cowlection/listener/PlayerListener.java b/src/main/java/de/cowtipper/cowlection/listener/PlayerListener.java
index dcf3bbf..a6f3660 100644
--- a/src/main/java/de/cowtipper/cowlection/listener/PlayerListener.java
+++ b/src/main/java/de/cowtipper/cowlection/listener/PlayerListener.java
@@ -8,12 +8,14 @@ import de.cowtipper.cowlection.listener.skyblock.DungeonsListener;
 import de.cowtipper.cowlection.listener.skyblock.SkyBlockListener;
 import de.cowtipper.cowlection.util.AbortableRunnable;
 import de.cowtipper.cowlection.util.GsonUtils;
+import de.cowtipper.cowlection.util.MooChatComponent;
 import de.cowtipper.cowlection.util.TickDelay;
 import net.minecraft.client.Minecraft;
 import net.minecraft.client.gui.GuiChat;
 import net.minecraft.client.gui.GuiScreen;
 import net.minecraft.client.gui.inventory.GuiChest;
 import net.minecraft.client.gui.inventory.GuiInventory;
+import net.minecraft.client.multiplayer.WorldClient;
 import net.minecraft.client.settings.KeyBinding;
 import net.minecraft.entity.player.EntityPlayer;
 import net.minecraft.inventory.ContainerChest;
@@ -116,6 +118,7 @@ public class PlayerListener {
             main.getLogger().info("Registering SkyBlock listeners");
             isOnSkyBlock = true;
             registerSkyBlockListeners();
+            checkWorldAge();
         } else if (MooConfig.getEnableSkyBlockOnlyFeatures() == MooConfig.Setting.SPECIAL) { // only on SkyBlock
             stopScoreboardChecker();
 
@@ -147,10 +150,14 @@ public class PlayerListener {
                             // player wasn't on SkyBlock before but now is on SkyBlock
                             main.getLogger().info("Entered SkyBlock! Registering SkyBlock listeners");
                             registerSkyBlockListeners();
+                            checkWorldAge();
                         } else if (wasOnSkyBlock && !isOnSkyBlock) {
                             // player was on SkyBlock before and is now in another gamemode
                             unregisterSkyBlockListeners();
                             main.getLogger().info("Leaving SkyBlock! Un-registering SkyBlock listeners");
+                        } else if (wasOnSkyBlock /* && isOnSkyBlock */) {
+                            // player is still on SkyBlock
+                            checkWorldAge();
                         }
                         stop();
                     }
@@ -179,6 +186,50 @@ public class PlayerListener {
         }
     }
 
+    private void checkWorldAge() {
+        WorldClient theWorld = Minecraft.getMinecraft().theWorld;
+        if (MooConfig.notifyFreshServer == 0 && MooConfig.notifyOldServer == 0 || theWorld == null) {
+            return;
+        }
+        long worldTime = theWorld.getWorldTime();
+        new TickDelay(() -> {
+            WorldClient world = Minecraft.getMinecraft().theWorld;
+
+            if (world == null || theWorld != world || main.getDungeonCache().isInDungeon()) {
+                // no longer in a world, or not in the same world as before, or inside dungeons
+                return;
+            }
+            long worldTime2 = world.getWorldTime();
+
+            String infix = "";
+            if (worldTime > worldTime2 || (worldTime2 - worldTime) < 30) {
+                // time is frozen
+                worldTime2 = world.getTotalWorldTime();
+                if (worldTime2 > 24 * 60 * 60 * 20) {
+                    // total world time >24h
+                    return;
+                }
+                infix = "probably ";
+            }
+
+            long days = worldTime2 / 24000L + 1;
+            if (MooConfig.notifyFreshServer > 0 && days <= MooConfig.notifyFreshServer) {
+                // fresh server
+                long minutes = days * 20;
+                long hours = minutes / 60;
+                minutes -= hours * 60;
+                main.getChatHelper().sendMessage(new MooChatComponent("⚠ ").darkGreen()
+                        .appendSibling(new MooChatComponent("This world is " + infix + "loaded around " + EnumChatFormatting.DARK_GREEN + days + " ingame days.").green()
+                                .setHover(new MooChatComponent("= less than " + EnumChatFormatting.DARK_GREEN + (hours > 0 ? hours + " hours " : "") + (minutes > 0 ? minutes + " mins " : "")).green())));
+            } else if (MooConfig.notifyOldServer > 0 && days > MooConfig.notifyOldServer) {
+                // old server
+                main.getChatHelper().sendMessage(new MooChatComponent("⚠ ").red()
+                        .appendSibling(new MooChatComponent("This server has not been restarted for " + EnumChatFormatting.RED + days + "+ ingame days!").gold()
+                                .setHover(new MooChatComponent("Servers usually restart once they exceed 30-38 ingame days (10-13 hours)").yellow())));
+            }
+        }, 40);
+    }
+
     private void stopScoreboardChecker() {
         if (checkScoreboard != null) {
             // there is still a scoreboard-checker running, stop it
diff --git a/src/main/resources/assets/cowlection/lang/en_US.lang b/src/main/resources/assets/cowlection/lang/en_US.lang
index ba15568..c1c7be5 100644
--- a/src/main/resources/assets/cowlection/lang/en_US.lang
+++ b/src/main/resources/assets/cowlection/lang/en_US.lang
@@ -32,6 +32,10 @@ cowlection.config.doBestFriendsOnlineCheck=Do best friends online check §d§l�
 cowlection.config.doBestFriendsOnlineCheck.tooltip=Set to true to check best friends' online status when joining a server, set to false to disable.\n§fDoes §dnot §fwork for staff members and players hiding their online status.\n§d§l⚷ §eRequires a valid API key!
 cowlection.config.enableSkyBlockOnlyFeatures=Enable SkyBlock-only features
 cowlection.config.enableSkyBlockOnlyFeatures.tooltip=§6When should SkyBlock-only features be active?\n§7§o(relog or change worlds after changing this option)\n §d➊ §fonly while being on SkyBlock §e(= disabled on other servers and in other gamemodes\n §d➋ §falways §e(= including other servers and gamemodes)\n §d➌ §fnever §e(§cNone §eof the SkyBlock-only features will work!)
+cowlection.config.notifyFreshServer=Notify when world is loaded <X days
+cowlection.config.notifyFreshServer.tooltip=Notify when entering a world that has been loaded less than X ingame days ago.\n§eSet to 0 to disable notifications!
+cowlection.config.notifyOldServer=Notify when server restarted ≥X days ago
+cowlection.config.notifyOldServer.tooltip=Notify when joining a server that hasn't restarted for X ingame days.\n§eSet to 0 to disable notifications!
 cowlection.config.tooltipToggleKeyBinding=Key binding: toggle tooltip
 cowlection.config.tooltipToggleKeyBinding.tooltip=Hold down this key to toggle tooltip if one of the following settings is set to 'key press'
 cowlection.config.tooltipAuctionHousePriceEach=Auction house: price per item