PaperMC/patches/server/0631-Add-paper-mobcaps-and-paper-playermobcaps.patch
Jake Potrebic bd38e0318a
Updated Upstream (Bukkit/CraftBukkit) (#10379)
Updated Upstream (Bukkit/CraftBukkit)

Upstream has released updates that appear to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

Bukkit Changes:
f02baa38 PR-988: Add World#getIntersectingChunks(BoundingBox)
9321d665 Move getItemInUse up to LivingEntity
819eef73 PR-959: Add access to current item's remaining ticks
c4fdadb0 SPIGOT-7601: Add AbstractArrow#getItem
be8261ca Add support for Java 22
26119676 PR-979: Add more translation keys
66753362 PR-985: Correct book maximum pages and characters per page documentation
c8be92fa PR-980: Improve getArmorContents() documentation
f1120ee2 PR-983: Expose riptide velocity to PlayerRiptideEvent

CraftBukkit Changes:
dfaa89bbe PR-1369: Add World#getIntersectingChunks(BoundingBox)
51bbab2b9 Move getItemInUse up to LivingEntity
668e09602 PR-1331: Add access to current item's remaining ticks
a639406d1 SPIGOT-7601: Add AbstractArrow#getItem
0398930fc SPIGOT-7602: Allow opening in-world horse and related inventories
ffd15611c SPIGOT-7608: Allow empty lists to morph to any PDT list
2188dcfa9 Add support for Java 22
45d6a609f SPIGOT-7604: Revert "SPIGOT-7365: DamageCause blocked by shield should trigger invulnerableTime"
06d915943 SPIGOT-7365: DamageCause blocked by shield should trigger invulnerableTime
ca3bc3707 PR-1361: Add more translation keys
366c3ca80 SPIGOT-7600: EntityChangeBlockEvent is not fired for frog eggs
06d0f9ba8 SPIGOT-7593: Fix sapling growth physics / client-side updates
45c2608e4 PR-1366: Expose riptide velocity to PlayerRiptideEvent
29b6bb79b SPIGOT-7587: Remove fixes for now-resolved MC-142590 and MC-109346
2024-04-06 12:53:39 -07:00

341 lines
16 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jason Penilla <11360596+jpenilla@users.noreply.github.com>
Date: Mon, 16 Aug 2021 01:31:54 -0500
Subject: [PATCH] Add '/paper mobcaps' and '/paper playermobcaps'
Add commands to get the mobcaps for a world, as well as the mobcaps for
each player when per-player mob spawning is enabled.
Also has a hover text on each mob category listing what entity types are
in said category
diff --git a/src/main/java/io/papermc/paper/command/PaperCommand.java b/src/main/java/io/papermc/paper/command/PaperCommand.java
index 27775df10a490ff75ca377e8373931738f1b817c..c9bb2df0d884227576ed8d2e72219bbbd7ba827e 100644
--- a/src/main/java/io/papermc/paper/command/PaperCommand.java
+++ b/src/main/java/io/papermc/paper/command/PaperCommand.java
@@ -40,6 +40,7 @@ public final class PaperCommand extends Command {
commands.put(Set.of("dumpplugins"), new DumpPluginsCommand());
commands.put(Set.of("syncloadinfo"), new SyncLoadInfoCommand());
commands.put(Set.of("dumpitem"), new DumpItemCommand());
+ commands.put(Set.of("mobcaps", "playermobcaps"), new MobcapsCommand());
return commands.entrySet().stream()
.flatMap(entry -> entry.getKey().stream().map(s -> Map.entry(s, entry.getValue())))
diff --git a/src/main/java/io/papermc/paper/command/subcommands/MobcapsCommand.java b/src/main/java/io/papermc/paper/command/subcommands/MobcapsCommand.java
new file mode 100644
index 0000000000000000000000000000000000000000..d3b39d88a72ca25057fd8574d32f28db0d420818
--- /dev/null
+++ b/src/main/java/io/papermc/paper/command/subcommands/MobcapsCommand.java
@@ -0,0 +1,229 @@
+package io.papermc.paper.command.subcommands;
+
+import com.google.common.collect.ImmutableMap;
+import io.papermc.paper.command.CommandUtil;
+import io.papermc.paper.command.PaperSubcommand;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+import java.util.function.ToIntFunction;
+import net.kyori.adventure.text.Component;
+import net.kyori.adventure.text.ComponentLike;
+import net.kyori.adventure.text.JoinConfiguration;
+import net.kyori.adventure.text.TextComponent;
+import net.kyori.adventure.text.format.NamedTextColor;
+import net.kyori.adventure.text.format.TextColor;
+import net.minecraft.core.registries.BuiltInRegistries;
+import net.minecraft.server.level.ServerLevel;
+import net.minecraft.server.level.ServerPlayer;
+import net.minecraft.world.entity.MobCategory;
+import net.minecraft.world.level.NaturalSpawner;
+import org.bukkit.Bukkit;
+import org.bukkit.World;
+import org.bukkit.command.CommandSender;
+import org.bukkit.craftbukkit.CraftWorld;
+import org.bukkit.craftbukkit.entity.CraftPlayer;
+import org.bukkit.entity.Player;
+import org.checkerframework.checker.nullness.qual.NonNull;
+import org.checkerframework.checker.nullness.qual.Nullable;
+import org.checkerframework.framework.qual.DefaultQualifier;
+
+@DefaultQualifier(NonNull.class)
+public final class MobcapsCommand implements PaperSubcommand {
+ static final Map<MobCategory, TextColor> MOB_CATEGORY_COLORS = ImmutableMap.<MobCategory, TextColor>builder()
+ .put(MobCategory.MONSTER, NamedTextColor.RED)
+ .put(MobCategory.CREATURE, NamedTextColor.GREEN)
+ .put(MobCategory.AMBIENT, NamedTextColor.GRAY)
+ .put(MobCategory.AXOLOTLS, TextColor.color(0x7324FF))
+ .put(MobCategory.UNDERGROUND_WATER_CREATURE, TextColor.color(0x3541E6))
+ .put(MobCategory.WATER_CREATURE, TextColor.color(0x006EFF))
+ .put(MobCategory.WATER_AMBIENT, TextColor.color(0x00B3FF))
+ .put(MobCategory.MISC, TextColor.color(0x636363))
+ .build();
+
+ @Override
+ public boolean execute(final CommandSender sender, final String subCommand, final String[] args) {
+ switch (subCommand) {
+ case "mobcaps" -> this.printMobcaps(sender, args);
+ case "playermobcaps" -> this.printPlayerMobcaps(sender, args);
+ }
+ return true;
+ }
+
+ @Override
+ public List<String> tabComplete(final CommandSender sender, final String subCommand, final String[] args) {
+ return switch (subCommand) {
+ case "mobcaps" -> CommandUtil.getListMatchingLast(sender, args, this.suggestMobcaps(args));
+ case "playermobcaps" -> CommandUtil.getListMatchingLast(sender, args, this.suggestPlayerMobcaps(sender, args));
+ default -> throw new IllegalArgumentException();
+ };
+ }
+
+ private List<String> suggestMobcaps(final String[] args) {
+ if (args.length == 1) {
+ final List<String> worlds = new ArrayList<>(Bukkit.getWorlds().stream().map(World::getName).toList());
+ worlds.add("*");
+ return worlds;
+ }
+
+ return Collections.emptyList();
+ }
+
+ private List<String> suggestPlayerMobcaps(final CommandSender sender, final String[] args) {
+ if (args.length == 1) {
+ final List<String> list = new ArrayList<>();
+ for (final Player player : Bukkit.getOnlinePlayers()) {
+ if (!(sender instanceof Player senderPlayer) || senderPlayer.canSee(player)) {
+ list.add(player.getName());
+ }
+ }
+ return list;
+ }
+
+ return Collections.emptyList();
+ }
+
+ private void printMobcaps(final CommandSender sender, final String[] args) {
+ final List<World> worlds;
+ if (args.length == 0) {
+ if (sender instanceof Player player) {
+ worlds = List.of(player.getWorld());
+ } else {
+ sender.sendMessage(Component.text("Must specify a world! ex: '/paper mobcaps world'", NamedTextColor.RED));
+ return;
+ }
+ } else if (args.length == 1) {
+ final String input = args[0];
+ if (input.equals("*")) {
+ worlds = Bukkit.getWorlds();
+ } else {
+ final @Nullable World world = Bukkit.getWorld(input);
+ if (world == null) {
+ sender.sendMessage(Component.text("'" + input + "' is not a valid world!", NamedTextColor.RED));
+ return;
+ } else {
+ worlds = List.of(world);
+ }
+ }
+ } else {
+ sender.sendMessage(Component.text("Too many arguments!", NamedTextColor.RED));
+ return;
+ }
+
+ for (final World world : worlds) {
+ final ServerLevel level = ((CraftWorld) world).getHandle();
+ final NaturalSpawner.@Nullable SpawnState state = level.getChunkSource().getLastSpawnState();
+
+ final int chunks;
+ if (state == null) {
+ chunks = 0;
+ } else {
+ chunks = state.getSpawnableChunkCount();
+ }
+ sender.sendMessage(Component.join(JoinConfiguration.noSeparators(),
+ Component.text("Mobcaps for world: "),
+ Component.text(world.getName(), NamedTextColor.AQUA),
+ Component.text(" (" + chunks + " spawnable chunks)")
+ ));
+
+ sender.sendMessage(createMobcapsComponent(
+ category -> {
+ if (state == null) {
+ return 0;
+ } else {
+ return state.getMobCategoryCounts().getOrDefault(category, 0);
+ }
+ },
+ category -> NaturalSpawner.globalLimitForCategory(level, category, chunks)
+ ));
+ }
+ }
+
+ private void printPlayerMobcaps(final CommandSender sender, final String[] args) {
+ final @Nullable Player player;
+ if (args.length == 0) {
+ if (sender instanceof Player pl) {
+ player = pl;
+ } else {
+ sender.sendMessage(Component.text("Must specify a player! ex: '/paper playermobcount playerName'", NamedTextColor.RED));
+ return;
+ }
+ } else if (args.length == 1) {
+ final String input = args[0];
+ player = Bukkit.getPlayerExact(input);
+ if (player == null) {
+ sender.sendMessage(Component.text("Could not find player named '" + input + "'", NamedTextColor.RED));
+ return;
+ }
+ } else {
+ sender.sendMessage(Component.text("Too many arguments!", NamedTextColor.RED));
+ return;
+ }
+
+ final ServerPlayer serverPlayer = ((CraftPlayer) player).getHandle();
+ final ServerLevel level = serverPlayer.serverLevel();
+
+ if (!level.paperConfig().entities.spawning.perPlayerMobSpawns) {
+ sender.sendMessage(Component.text("Use '/paper mobcaps' for worlds where per-player mob spawning is disabled.", NamedTextColor.RED));
+ return;
+ }
+
+ sender.sendMessage(Component.join(JoinConfiguration.noSeparators(), Component.text("Mobcaps for player: "), Component.text(player.getName(), NamedTextColor.GREEN)));
+ sender.sendMessage(createMobcapsComponent(
+ category -> level.chunkSource.chunkMap.getMobCountNear(serverPlayer, category),
+ category -> level.getWorld().getSpawnLimitUnsafe(org.bukkit.craftbukkit.util.CraftSpawnCategory.toBukkit(category))
+ ));
+ }
+
+ private static Component createMobcapsComponent(final ToIntFunction<MobCategory> countGetter, final ToIntFunction<MobCategory> limitGetter) {
+ return MOB_CATEGORY_COLORS.entrySet().stream()
+ .map(entry -> {
+ final MobCategory category = entry.getKey();
+ final TextColor color = entry.getValue();
+
+ final Component categoryHover = Component.join(JoinConfiguration.noSeparators(),
+ Component.text("Entity types in category ", TextColor.color(0xE0E0E0)),
+ Component.text(category.getName(), color),
+ Component.text(':', NamedTextColor.GRAY),
+ Component.newline(),
+ Component.newline(),
+ BuiltInRegistries.ENTITY_TYPE.entrySet().stream()
+ .filter(it -> it.getValue().getCategory() == category)
+ .map(it -> Component.translatable(it.getValue().getDescriptionId()))
+ .collect(Component.toComponent(Component.text(", ", NamedTextColor.GRAY)))
+ );
+
+ final Component categoryComponent = Component.text()
+ .content(" " + category.getName())
+ .color(color)
+ .hoverEvent(categoryHover)
+ .build();
+
+ final TextComponent.Builder builder = Component.text()
+ .append(
+ categoryComponent,
+ Component.text(": ", NamedTextColor.GRAY)
+ );
+ final int limit = limitGetter.applyAsInt(category);
+ if (limit != -1) {
+ builder.append(
+ Component.text(countGetter.applyAsInt(category)),
+ Component.text("/", NamedTextColor.GRAY),
+ Component.text(limit)
+ );
+ } else {
+ builder.append(Component.text()
+ .append(
+ Component.text('n'),
+ Component.text("/", NamedTextColor.GRAY),
+ Component.text('a')
+ )
+ .hoverEvent(Component.text("This category does not naturally spawn.")));
+ }
+ return builder;
+ })
+ .map(ComponentLike::asComponent)
+ .collect(Component.toComponent(Component.newline()));
+ }
+}
diff --git a/src/main/java/net/minecraft/world/level/NaturalSpawner.java b/src/main/java/net/minecraft/world/level/NaturalSpawner.java
index 5247782edc426107fb4b3ade5d92f148c0b6e681..c44c10e15564af6ba0f6d60a1b5f38c6e874a43a 100644
--- a/src/main/java/net/minecraft/world/level/NaturalSpawner.java
+++ b/src/main/java/net/minecraft/world/level/NaturalSpawner.java
@@ -157,6 +157,16 @@ public final class NaturalSpawner {
world.getProfiler().pop();
}
+ // Paper start - Add mobcaps commands
+ public static int globalLimitForCategory(final ServerLevel level, final MobCategory category, final int spawnableChunkCount) {
+ final int categoryLimit = level.getWorld().getSpawnLimitUnsafe(CraftSpawnCategory.toBukkit(category));
+ if (categoryLimit < 1) {
+ return categoryLimit;
+ }
+ return categoryLimit * spawnableChunkCount / NaturalSpawner.MAGIC_NUMBER;
+ }
+ // Paper end - Add mobcaps commands
+
public static void spawnCategoryForChunk(MobCategory group, ServerLevel world, LevelChunk chunk, NaturalSpawner.SpawnPredicate checker, NaturalSpawner.AfterSpawnCallback runner) {
BlockPos blockposition = NaturalSpawner.getRandomPosWithin(world, chunk);
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
index 51337b1b2e74a67ad54c5d594004b649cb6af4ed..dc37989ab5e0971a144a8248152169b4fd868067 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
@@ -2286,6 +2286,11 @@ public final class CraftServer implements Server {
@Override
public int getSpawnLimit(SpawnCategory spawnCategory) {
+ // Paper start - Add mobcaps commands
+ return this.getSpawnLimitUnsafe(spawnCategory);
+ }
+ public int getSpawnLimitUnsafe(final SpawnCategory spawnCategory) {
+ // Paper end - Add mobcaps commands
return this.spawnCategoryLimit.getOrDefault(spawnCategory, -1);
}
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
index 0b1d918452deee4c75bc61cb6a620f69cefa80b3..139281eab642a3676987fa9b3597b5b6e1a99e9c 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
@@ -1715,9 +1715,14 @@ public class CraftWorld extends CraftRegionAccessor implements World {
Preconditions.checkArgument(spawnCategory != null, "SpawnCategory cannot be null");
Preconditions.checkArgument(CraftSpawnCategory.isValidForLimits(spawnCategory), "SpawnCategory.%s are not supported", spawnCategory);
+ // Paper start - Add mobcaps commands
+ return this.getSpawnLimitUnsafe(spawnCategory);
+ }
+ public final int getSpawnLimitUnsafe(final SpawnCategory spawnCategory) {
int limit = this.spawnCategoryLimit.getOrDefault(spawnCategory, -1);
if (limit < 0) {
- limit = this.server.getSpawnLimit(spawnCategory);
+ limit = this.server.getSpawnLimitUnsafe(spawnCategory);
+ // Paper end - Add mobcaps commands
}
return limit;
}
diff --git a/src/test/java/io/papermc/paper/command/subcommands/MobcapsCommandTest.java b/src/test/java/io/papermc/paper/command/subcommands/MobcapsCommandTest.java
new file mode 100644
index 0000000000000000000000000000000000000000..fd238eacee24ebf0d0ce82b96107e093ca4866b0
--- /dev/null
+++ b/src/test/java/io/papermc/paper/command/subcommands/MobcapsCommandTest.java
@@ -0,0 +1,20 @@
+package io.papermc.paper.command.subcommands;
+
+import java.util.HashSet;
+import java.util.Set;
+import net.minecraft.world.entity.MobCategory;
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+public class MobcapsCommandTest {
+ @Test
+ public void testMobCategoryColors() {
+ final Set<String> missing = new HashSet<>();
+ for (final MobCategory value : MobCategory.values()) {
+ if (!MobcapsCommand.MOB_CATEGORY_COLORS.containsKey(value)) {
+ missing.add(value.getName());
+ }
+ }
+ Assertions.assertTrue(missing.isEmpty(), "MobcapsCommand.MOB_CATEGORY_COLORS map missing TextColors for [" + String.join(", ", missing + "]"));
+ }
+}