Feature: ping display

src/main/java/at/hannibal2/skyhanni/config/enums/OutsideSbFeature.kt

@@ -8,6 +8,7 @@ enum class OutsideSbFeature(private val displayName: String) {
     CUSTOM_TEXT_BOX("Custom Text Box"),
     REAL_TIME("Real Time"),
     TPS_DISPLAY("TPS Display"),
+    PING_DISPLAY("Ping Display"),
     MARKED_PLAYERS("Marked Players"),
     FARMING_WEIGHT("Farming Weight"),
     NEXT_JACOB_CONTEST("Next Jacobs's Contest"),

src/main/java/at/hannibal2/skyhanni/config/features/gui/GUIConfig.java

@@ -145,6 +145,16 @@ public class GUIConfig {
     @ConfigLink(owner = GUIConfig.class, field = "tpsDisplay")
     public Position tpsDisplayPosition = new Position(10, 10, false, true);
 
+    @Expose
+    @ConfigOption(name = "Ping Display", desc = "Show your current ping, like in Skytils.")
+    @ConfigEditorBoolean
+    @FeatureToggle
+    public boolean pingDisplay = false;
+
+    @Expose
+    @ConfigLink(owner = GUIConfig.class, field = "pingDisplay")
+    public Position pingDisplayPosition = new Position(10, 22, false, true);
+
     @Expose
     @ConfigOption(name = "Config Button", desc = "Add a button to the pause menu to configure SkyHanni.")
     @ConfigEditorBoolean

src/main/java/at/hannibal2/skyhanni/features/misc/PingDisplay.kt

@@ -0,0 +1,107 @@
+package at.hannibal2.skyhanni.features.misc
+
+import at.hannibal2.skyhanni.SkyHanniMod
+import at.hannibal2.skyhanni.api.event.HandleEvent
+import at.hannibal2.skyhanni.config.commands.CommandCategory
+import at.hannibal2.skyhanni.config.commands.CommandRegistrationEvent
+import at.hannibal2.skyhanni.config.enums.OutsideSbFeature
+import at.hannibal2.skyhanni.events.GuiRenderEvent
+import at.hannibal2.skyhanni.events.SecondPassedEvent
+import at.hannibal2.skyhanni.events.minecraft.packet.PacketReceivedEvent
+import at.hannibal2.skyhanni.skyhannimodule.SkyHanniModule
+import at.hannibal2.skyhanni.utils.ChatUtils
+import at.hannibal2.skyhanni.utils.LorenzUtils
+import at.hannibal2.skyhanni.utils.RenderUtils.renderString
+import net.minecraft.client.Minecraft
+import net.minecraft.network.play.client.C16PacketClientStatus
+import net.minecraft.network.play.server.S37PacketStatistics
+import net.minecraftforge.fml.common.eventhandler.SubscribeEvent
+import kotlin.math.abs
+import kotlin.math.round
+
+@SkyHanniModule
+object PingDisplay {
+
+    private val config get() = SkyHanniMod.feature.gui
+
+    private var lastPingAt: Long = -1L
+    private var invokedCommand = false
+    private var display: String? = null
+
+    var latestPing: Double = 0.0
+
+    fun sendPing(command: Boolean) {
+        if (lastPingAt > 0) {
+            if (invokedCommand) {
+                ChatUtils.chat("§cAlready pinging!")
+                return
+            }
+        }
+        Minecraft.getMinecraft().thePlayer.sendQueue.networkManager.sendPacket(
+            C16PacketClientStatus(C16PacketClientStatus.EnumState.REQUEST_STATS)
+        )
+        lastPingAt = System.nanoTime()
+        invokedCommand = command
+    }
+
+    @HandleEvent
+    fun onPacketReceived(event: PacketReceivedEvent) {
+        if (!isEnabled()) return
+        val packet = event.packet
+        if (lastPingAt > 0) {
+            when (packet) {
+                is S37PacketStatistics -> {
+                    val diff = abs(System.nanoTime() - lastPingAt) / 1_000_000.0
+                    lastPingAt = -1L
+                    latestPing = diff
+                    updateDisplay()
+                    if (invokedCommand) {
+                        invokedCommand = false
+                        ChatUtils.chat(formatPingMessage(latestPing))
+                    }
+                }
+            }
+        }
+    }
+
+    @HandleEvent
+    fun onCommandRegister(event: CommandRegistrationEvent) {
+        event.register("shping") {
+            description = "Check your ping"
+            category = CommandCategory.USERS_ACTIVE
+            callback { sendPing(true) }
+        }
+    }
+
+    private fun formatPingMessage(ping: Double): String {
+        val color = when {
+            ping < 50 -> "2"
+            ping < 100 -> "a"
+            ping < 149 -> "6"
+            ping < 249 -> "c"
+            else -> "4"
+        }
+        return "§$color${round(ping * 100) / 100} §7ms"
+    }
+
+    @SubscribeEvent
+    fun onSecondPassed(event: SecondPassedEvent) {
+        if (!isEnabled()) return
+        if (!event.repeatSeconds(5)) return
+
+        sendPing(false)
+    }
+
+    private fun updateDisplay() {
+        display = "§ePing: ${formatPingMessage(latestPing)}"
+    }
+
+    @SubscribeEvent
+    fun onRenderOverlay(event: GuiRenderEvent.GuiOverlayRenderEvent) {
+        if (!isEnabled()) return
+
+        config.pingDisplayPosition.renderString(display, posLabel = "Ping Display")
+    }
+
+    private fun isEnabled() = config.pingDisplay && (LorenzUtils.inSkyBlock || OutsideSbFeature.PING_DISPLAY.isSelected())
+}