From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: violetc <58360096+s-yh-china@users.noreply.github.com>
Date: Mon, 3 Jul 2023 22:12:16 +0800
Subject: [PATCH] Bladeren mspt sync protocol


diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
index 5c09e2164a045346e0e2d4ce64408ac9209cf501..d47e29850462356e843591deba7e8a83f59faba0 100644
--- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
@@ -1611,6 +1611,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
         top.leavesmc.leaves.protocol.BBORProtocol.tick(); // Leaves - bbor
         top.leavesmc.leaves.protocol.AppleSkinProtocol.tick(); // Leaves - appleskin
         top.leavesmc.leaves.util.BreakBedrockList.endTick(); // Leaves - break bedrock list
+        top.leavesmc.leaves.protocol.bladeren.MsptSyncProtocol.tick(this); // Leaves - mspt sync
 
         MinecraftTimings.tickablesTimer.startTiming(); // Spigot // Paper
         for (int i = 0; i < this.tickables.size(); ++i) {
diff --git a/src/main/java/net/minecraft/server/players/PlayerList.java b/src/main/java/net/minecraft/server/players/PlayerList.java
index 13356860e13374227ac5559daf77fc4dc60e378d..163827eb405e407bca16b890c4ae3f8a4a927320 100644
--- a/src/main/java/net/minecraft/server/players/PlayerList.java
+++ b/src/main/java/net/minecraft/server/players/PlayerList.java
@@ -618,6 +618,7 @@ public abstract class PlayerList {
     public net.kyori.adventure.text.Component remove(ServerPlayer entityplayer, net.kyori.adventure.text.Component leaveMessage) {
         top.leavesmc.leaves.protocol.BBORProtocol.onPlayerLoggedOut(entityplayer); // Leaves - bbor
         top.leavesmc.leaves.protocol.AppleSkinProtocol.onPlayerLoggedOut(entityplayer); // Leaves - appleskin
+        top.leavesmc.leaves.protocol.bladeren.MsptSyncProtocol.onPlayerLoggedOut(entityplayer); // Leaves - mspt sync
         // Paper end
         ServerLevel worldserver = entityplayer.serverLevel();
 
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
index 47b27712c6ed11fc5c2cd7de04482870207545e7..93054a59f14fee933a908944e93b462b5dae2ce6 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
@@ -470,6 +470,7 @@ public final class CraftServer implements Server {
         datapackManager = new io.papermc.paper.datapack.PaperDatapackManager(console.getPackRepository()); // Paper
         top.leavesmc.leaves.protocol.PcaSyncProtocol.init(); // Leaves - pca
         top.leavesmc.leaves.protocol.JadeProtocol.init(); // Leaves - Jade
+        top.leavesmc.leaves.protocol.bladeren.MsptSyncProtocol.init(); // Leaves - mspt
     }
 
     public boolean getCommandBlockOverride(String command) {
diff --git a/src/main/java/top/leavesmc/leaves/LeavesConfig.java b/src/main/java/top/leavesmc/leaves/LeavesConfig.java
index f87479eb24fb244c5f2c4ee2f307b43187a0f33c..8356766f2bc1b1f53f4912feb507bab61328c0d3 100644
--- a/src/main/java/top/leavesmc/leaves/LeavesConfig.java
+++ b/src/main/java/top/leavesmc/leaves/LeavesConfig.java
@@ -845,6 +845,7 @@ public final class LeavesConfig {
     }
 
     public static void registerLeavesFeatures() {
+        LeavesFeatureSet.register(LeavesFeature.of("mspt_sync", msptSyncProtocol));
     }
 
     public static boolean hopperCounter = false;
diff --git a/src/main/java/top/leavesmc/leaves/protocol/bladeren/MsptSyncProtocol.java b/src/main/java/top/leavesmc/leaves/protocol/bladeren/MsptSyncProtocol.java
new file mode 100644
index 0000000000000000000000000000000000000000..5c206ecc6aba1ef632467f85ea83f909486ced29
--- /dev/null
+++ b/src/main/java/top/leavesmc/leaves/protocol/bladeren/MsptSyncProtocol.java
@@ -0,0 +1,69 @@
+package top.leavesmc.leaves.protocol.bladeren;
+
+import io.netty.buffer.Unpooled;
+import net.minecraft.network.FriendlyByteBuf;
+import net.minecraft.network.protocol.game.ServerboundCustomPayloadPacket;
+import net.minecraft.resources.ResourceLocation;
+import net.minecraft.server.MinecraftServer;
+import net.minecraft.server.level.ServerPlayer;
+import org.jetbrains.annotations.Contract;
+import org.jetbrains.annotations.NotNull;
+import top.leavesmc.leaves.LeavesConfig;
+import top.leavesmc.leaves.util.ProtocolUtils;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+public class MsptSyncProtocol {
+
+    public static final String PROTOCOL_ID = "bladeren";
+
+    private static final ResourceLocation MSPT_SYNC = id("mspt_sync");
+
+    private static final List<ServerPlayer> players = new ArrayList<>();
+
+    @Contract("_ -> new")
+    public static @NotNull ResourceLocation id(String path) {
+        return new ResourceLocation(PROTOCOL_ID, path);
+    }
+
+    public static void init() {
+        LeavesProtocol.registerFeature("mspt_sync", (player, compoundTag) -> {
+            if (compoundTag.getString("Value").equals("true"))  {
+                onPlayerSubmit(player);
+            } else {
+                onPlayerLoggedOut(player);
+            }
+        });
+    }
+
+    public static void onPlayerSubmit(@NotNull ServerPlayer player) {
+        if (LeavesConfig.msptSyncProtocol) {
+            players.add(player);
+        }
+    }
+
+    public static void onPlayerLoggedOut(@NotNull ServerPlayer player) {
+        if (LeavesConfig.msptSyncProtocol) {
+            players.remove(player);
+        }
+    }
+
+    public static void tick(MinecraftServer server) {
+        if (LeavesConfig.msptSyncProtocol) {
+            if (players.isEmpty()) {
+                return;
+            }
+
+            if (server.getTickCount() % LeavesConfig.msptSyncTickInterval == 0) {
+                FriendlyByteBuf buf = new FriendlyByteBuf(Unpooled.buffer());
+                double mspt = Arrays.stream(server.tickTimes).average().getAsDouble() * 1.0E-6D;
+                double tps = 1000.0D / Math.max(mspt, 50);
+                buf.writeDouble(mspt);
+                buf.writeDouble(tps);
+                players.forEach(player -> ProtocolUtils.sendPayloadPacket(player, MSPT_SYNC, buf));
+            }
+        }
+    }
+}