PaperMC/patches/server/0838-Multiple-Entries-with-Scoreboards.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Cryptite <cryptite@gmail.com>
Date: Tue, 21 Sep 2021 18:17:33 -0500
Subject: [PATCH] Multiple Entries with Scoreboards


diff --git a/src/main/java/net/minecraft/network/protocol/game/ClientboundSetPlayerTeamPacket.java b/src/main/java/net/minecraft/network/protocol/game/ClientboundSetPlayerTeamPacket.java
index 005a3058c51a41a39f050b1817e2079be93ad366..9c7c6751e81af9a013de4fe9e4d029b69a8534ca 100644
--- a/src/main/java/net/minecraft/network/protocol/game/ClientboundSetPlayerTeamPacket.java
+++ b/src/main/java/net/minecraft/network/protocol/game/ClientboundSetPlayerTeamPacket.java
@@ -42,6 +42,12 @@ public class ClientboundSetPlayerTeamPacket implements Packet<ClientGamePacketLi
         return new ClientboundSetPlayerTeamPacket(team.getName(), operation == ClientboundSetPlayerTeamPacket.Action.ADD ? 3 : 4, Optional.empty(), ImmutableList.of(playerName));
     }
 
+    // Paper start
+    public static ClientboundSetPlayerTeamPacket createMultiplePlayerPacket(PlayerTeam team, Collection<String> players, ClientboundSetPlayerTeamPacket.Action operation) {
+        return new ClientboundSetPlayerTeamPacket(team.getName(), operation == ClientboundSetPlayerTeamPacket.Action.ADD ? 3 : 4, Optional.empty(), players);
+    }
+    // Paper end
+
     public ClientboundSetPlayerTeamPacket(FriendlyByteBuf buf) {
         this.name = buf.readUtf();
         this.method = buf.readByte();
diff --git a/src/main/java/net/minecraft/server/ServerScoreboard.java b/src/main/java/net/minecraft/server/ServerScoreboard.java
index 610d312b9c8f6c8d1f102e8ba2fe9fc2cc3e98c5..3a4a0727ad44322e3ba85512cd077808dab080b7 100644
--- a/src/main/java/net/minecraft/server/ServerScoreboard.java
+++ b/src/main/java/net/minecraft/server/ServerScoreboard.java
@@ -92,6 +92,25 @@ public class ServerScoreboard extends Scoreboard {
         }
     }
 
+    // Paper start
+    public boolean addPlayersToTeam(java.util.Collection<String> players, PlayerTeam team) {
+        boolean anyAdded = false;
+        for (String playerName : players) {
+            if (super.addPlayerToTeam(playerName, team)) {
+                anyAdded = true;
+            }
+        }
+
+        if (anyAdded) {
+            this.broadcastAll(ClientboundSetPlayerTeamPacket.createMultiplePlayerPacket(team, players, ClientboundSetPlayerTeamPacket.Action.ADD));
+            this.setDirty();
+            return true;
+        } else {
+            return false;
+        }
+    }
+    // Paper end
+
     @Override
     public void removePlayerFromTeam(String playerName, PlayerTeam team) {
         super.removePlayerFromTeam(playerName, team);
@@ -99,6 +118,17 @@ public class ServerScoreboard extends Scoreboard {
         this.setDirty();
     }
 
+    // Paper start
+    public void removePlayersFromTeam(java.util.Collection<String> players, PlayerTeam team) {
+        for (String playerName : players) {
+            super.removePlayerFromTeam(playerName, team);
+        }
+
+        this.broadcastAll(ClientboundSetPlayerTeamPacket.createMultiplePlayerPacket(team, players, ClientboundSetPlayerTeamPacket.Action.REMOVE));
+        this.setDirty();
+    }
+    // Paper end
+
     @Override
     public void onObjectiveAdded(Objective objective) {
         super.onObjectiveAdded(objective);
diff --git a/src/main/java/org/bukkit/craftbukkit/scoreboard/CraftTeam.java b/src/main/java/org/bukkit/craftbukkit/scoreboard/CraftTeam.java
index 47f2e8824fff51f4271e7aa61e233d57e3ca2942..be5e4c2f3c552e0438ed1cc660e411c41fd13df7 100644
--- a/src/main/java/org/bukkit/craftbukkit/scoreboard/CraftTeam.java
+++ b/src/main/java/org/bukkit/craftbukkit/scoreboard/CraftTeam.java
@@ -226,6 +226,21 @@ final class CraftTeam extends CraftScoreboardComponent implements Team {
         scoreboard.board.addPlayerToTeam(entry, team);
     }
 
+    // Paper start
+    @Override
+    public void addEntities(java.util.Collection<org.bukkit.entity.Entity> entities) throws IllegalStateException, IllegalArgumentException {
+        this.addEntries(entities.stream().map(entity -> ((org.bukkit.craftbukkit.entity.CraftEntity) entity).getHandle().getScoreboardName()).toList());
+    }
+
+    @Override
+    public void addEntries(java.util.Collection<String> entries) throws IllegalStateException, IllegalArgumentException {
+        Validate.notNull(entries, "Entries cannot be null");
+        CraftScoreboard scoreboard = this.checkState();
+
+        ((net.minecraft.server.ServerScoreboard) scoreboard.board).addPlayersToTeam(entries, this.team);
+    }
+    // Paper end
+
     @Override
     public boolean removePlayer(OfflinePlayer player) throws IllegalStateException, IllegalArgumentException {
         Validate.notNull(player, "OfflinePlayer cannot be null");
@@ -245,6 +260,28 @@ final class CraftTeam extends CraftScoreboardComponent implements Team {
         return true;
     }
 
+    // Paper start
+    @Override
+    public boolean removeEntities(java.util.Collection<org.bukkit.entity.Entity> entities) throws IllegalStateException, IllegalArgumentException {
+        return this.removeEntries(entities.stream().map(entity -> ((org.bukkit.craftbukkit.entity.CraftEntity) entity).getHandle().getScoreboardName()).toList());
+    }
+
+    @Override
+    public boolean removeEntries(java.util.Collection<String> entries) throws IllegalStateException, IllegalArgumentException {
+        Validate.notNull(entries, "Entry cannot be null");
+        CraftScoreboard scoreboard = this.checkState();
+
+        for (String entry : entries) {
+            if (this.team.getPlayers().contains(entry)) {
+                ((net.minecraft.server.ServerScoreboard) scoreboard.board).removePlayersFromTeam(entries, this.team);
+                return true;
+            }
+        }
+
+        return false;
+    }
+    // Paper end
+
     @Override
     public boolean hasPlayer(OfflinePlayer player) throws IllegalArgumentException, IllegalStateException {
         Validate.notNull(player, "OfflinePlayer cannot be null");