PaperMC/patches/unapplied/server/0746-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 ee37ec0de1ca969144824427ae42b0c81434a1b4..4ebe22ac20f1a98694cc3bec570ef5bbf06f00aa 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 e84332b6f031e83283c1b6e90bb82a6053ff46d7..03d13c2425170a6513ea7442a4a12fc9aa6e211d 100644
--- a/src/main/java/net/minecraft/server/ServerScoreboard.java
+++ b/src/main/java/net/minecraft/server/ServerScoreboard.java
@@ -95,6 +95,25 @@ 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);
@@ -102,6 +121,17 @@ 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 27219bf2f16aed64c78623d44c3cc84aa9f47065..fd86c1d43cccd036f60cb270b56fd33f95707720 100644
--- a/src/main/java/org/bukkit/craftbukkit/scoreboard/CraftTeam.java
+++ b/src/main/java/org/bukkit/craftbukkit/scoreboard/CraftTeam.java
@@ -229,6 +229,21 @@ final class CraftTeam extends CraftScoreboardComponent implements Team {
         scoreboard.board.addPlayerToTeam(entry, this.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 {
+        Preconditions.checkArgument(entries != null, "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) {
         Preconditions.checkArgument(player != null, "OfflinePlayer cannot be null");
@@ -248,6 +263,28 @@ 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 {
+        Preconditions.checkArgument(entries != null, "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 {
         Preconditions.checkArgument(player != null, "OfflinePlayer cannot be null");