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69018194e150bc5683af4f2ec0ebcc57abe8ad42
LeavesMC/patches/server/0010-Add-fakeplayer-support.patch
violetc 69018194e1 Update 1.19.1
2022-08-02 21:45:57 +08:00

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: violetc <58360096+s-yh-china@users.noreply.github.com>
Date: Thu, 3 Feb 2022 12:28:15 +0800
Subject: [PATCH] Add fakeplayer support
diff --git a/src/main/java/net/minecraft/server/PlayerAdvancements.java b/src/main/java/net/minecraft/server/PlayerAdvancements.java
index a0c19503aabab5378d672a30163d35a5ba05b6c1..8873e12cbd3d6f9071efedb35ea3c69c78033d78 100644
--- a/src/main/java/net/minecraft/server/PlayerAdvancements.java
+++ b/src/main/java/net/minecraft/server/PlayerAdvancements.java
@@ -48,6 +48,7 @@ import net.minecraft.server.players.PlayerList;
import net.minecraft.util.datafix.DataFixTypes;
import net.minecraft.world.level.GameRules;
import org.slf4j.Logger;
+import top.leavesmc.leaves.bot.ServerBot;
public class PlayerAdvancements {
@@ -272,6 +273,11 @@ public class PlayerAdvancements {
}
public boolean award(Advancement advancement, String criterionName) {
+ // Leaves start - bot can't get advancement
+ if (player instanceof ServerBot) {
+ return false;
+ }
+ // Leaves end - bot can't get advancement
boolean flag = false;
AdvancementProgress advancementprogress = this.getOrStartProgress(advancement);
boolean flag1 = advancementprogress.isDone();
diff --git a/src/main/java/net/minecraft/server/level/ServerPlayer.java b/src/main/java/net/minecraft/server/level/ServerPlayer.java
index 6cbd839cc7529eb0095485c4ef4a0d81a3cd9b19..0a4edeed3e6c4813e7ef3cf847ccbbe1325d03c6 100644
--- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
+++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
@@ -174,6 +174,7 @@ import org.bukkit.event.player.PlayerPortalEvent;
import org.bukkit.event.player.PlayerTeleportEvent;
import org.bukkit.event.player.PlayerTeleportEvent.TeleportCause;
import org.bukkit.inventory.MainHand;
+import top.leavesmc.leaves.bot.ServerBot;
// CraftBukkit end
public class ServerPlayer extends Player {
@@ -1177,6 +1178,13 @@ public class ServerPlayer extends Player {
this.lastSentHealth = -1.0F;
this.lastSentFood = -1;
+ // Leaves start - bot support
+ if (top.leavesmc.leaves.LeavesConfig.fakeplayerSupport) {
+ ServerBot.getBots().forEach(bot1 ->
+ bot1.render(this.connection, true,this.getBukkitEntity().getWorld() == bot1.getBukkitEntity().getWorld())); // Leaves - render bot
+ }
+ // Leaves end - bot support
+
// CraftBukkit start
PlayerChangedWorldEvent changeEvent = new PlayerChangedWorldEvent(this.getBukkitEntity(), worldserver1.getWorld());
this.level.getCraftServer().getPluginManager().callEvent(changeEvent);
diff --git a/src/main/java/net/minecraft/server/players/PlayerList.java b/src/main/java/net/minecraft/server/players/PlayerList.java
index d63bfd9d3194a2972a984ec3a817767a683a940d..f3c3c530d9ae974c9b35e1a12f60e5bad014b42a 100644
--- a/src/main/java/net/minecraft/server/players/PlayerList.java
+++ b/src/main/java/net/minecraft/server/players/PlayerList.java
@@ -96,6 +96,7 @@ import net.minecraft.world.scores.Objective;
import net.minecraft.world.scores.PlayerTeam;
import net.minecraft.world.scores.Scoreboard; // Paper
import net.minecraft.world.scores.Team;
+import top.leavesmc.leaves.bot.ServerBot;
import org.slf4j.Logger;
// CraftBukkit start
@@ -113,7 +114,6 @@ import org.bukkit.Location;
import org.bukkit.craftbukkit.CraftServer;
import org.bukkit.craftbukkit.CraftWorld;
import org.bukkit.craftbukkit.entity.CraftPlayer;
-import org.bukkit.craftbukkit.util.CraftChatMessage;
import org.bukkit.entity.Player;
import org.bukkit.event.player.PlayerChangedWorldEvent;
import org.bukkit.event.player.PlayerJoinEvent;
@@ -369,6 +369,18 @@ public abstract class PlayerList {
return;
}
+ // Leaves start - bot support
+ if (top.leavesmc.leaves.LeavesConfig.fakeplayerSupport) {
+ ServerBot bot = ServerBot.getBot(player.getName().getString());
+ if (bot != null) {
+ bot.kill(); // Leaves - remove bot with the same name
+ }
+
+ ServerBot.getBots().forEach(bot1 ->
+ bot1.render(playerconnection, true,player.getBukkitEntity().getWorld() == bot1.getBukkitEntity().getWorld())); // Leaves - render bot
+ }
+ // Leaves end - bot support
+
final net.kyori.adventure.text.Component jm = playerJoinEvent.joinMessage();
if (jm != null && !jm.equals(net.kyori.adventure.text.Component.empty())) { // Paper - Adventure
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
index 6549ade8e19807c523e5a1dc68b66585aad438b1..b58a4fb6563554c8a5a10eada110125fb1e979b3 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
@@ -187,6 +187,8 @@ import org.bukkit.plugin.Plugin;
import org.bukkit.util.BoundingBox;
import org.bukkit.util.NumberConversions;
import org.bukkit.util.Vector;
+import top.leavesmc.leaves.bot.ServerBot;
+import top.leavesmc.leaves.entity.CraftBot;
public abstract class CraftEntity implements org.bukkit.entity.Entity {
private static PermissibleBase perm;
@@ -211,7 +213,12 @@ public abstract class CraftEntity implements org.bukkit.entity.Entity {
if (entity instanceof LivingEntity) {
// Players
if (entity instanceof Player) {
- if (entity instanceof ServerPlayer) { return new CraftPlayer(server, (ServerPlayer) entity); }
+ // Leaves start - add CraftBot
+ if (entity instanceof ServerPlayer) {
+ if (entity instanceof ServerBot) { return new CraftBot(server, (ServerBot) entity); }
+ else { return new CraftPlayer(server, (ServerPlayer) entity); }
+ }
+ // Leaves end - add CraftBot
else { return new CraftHumanEntity(server, (Player) entity); }
}
// Water Animals
diff --git a/src/main/java/top/leavesmc/leaves/LeavesConfig.java b/src/main/java/top/leavesmc/leaves/LeavesConfig.java
index a85a5de7d85cf6c5e19c0245c40e6106e6623007..898c61c25675232e203ee2c872ca25804c41358c 100644
--- a/src/main/java/top/leavesmc/leaves/LeavesConfig.java
+++ b/src/main/java/top/leavesmc/leaves/LeavesConfig.java
@@ -7,11 +7,13 @@ import org.bukkit.Bukkit;
import org.bukkit.command.Command;
import org.bukkit.configuration.ConfigurationSection;
import org.bukkit.configuration.file.YamlConfiguration;
+import top.leavesmc.leaves.bot.BotCommand;
import java.io.File;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
+import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
@@ -63,6 +65,10 @@ public final class LeavesConfig {
LeavesConfig.load(config);
commands = new HashMap<>();
+
+ if (top.leavesmc.leaves.LeavesConfig.fakeplayerSupport) {
+ commands.put("bot", new BotCommand("bot"));
+ }
}
public static void load(final YamlConfiguration config) {
@@ -124,6 +130,12 @@ public final class LeavesConfig {
return LeavesConfig.config.getString(path, dfl);
}
+
+ static <T> List<T> getList(final String path, final List<T> def) {
+ LeavesConfig.config.addDefault(path, def);
+ return (List<T>) LeavesConfig.config.getList(path, config.getList(path));
+ }
+
public static boolean playerCanEditSign = true;
private static void playerCanEditSign() {
playerCanEditSign = getBoolean("settings.player-can-edit-sign", playerCanEditSign);
@@ -134,6 +146,20 @@ public final class LeavesConfig {
snowballAndEggCanKnockback = getBoolean("settings.snowball-and-egg-can-knockback-player", snowballAndEggCanKnockback);
}
+ public static boolean fakeplayerSupport = true;
+ private static void fakeplayerSupport() {
+ if (config.contains("settings.fakeplayer-support")) {
+ fakeplayerSupport = LeavesConfig.config.getBoolean("settings.fakeplayer-support", fakeplayerSupport);
+ LeavesConfig.config.set("settings.fakeplayer-support", null);
+ }
+ fakeplayerSupport = getBoolean("settings.fakeplayer.enable", fakeplayerSupport);
+ }
+
+ public static List<String> unableFakeplayerNames;
+ private static void unableFakeplayerNames() {
+ unableFakeplayerNames = getList("settings.fakeplayer.unable-fakeplayer-names", Arrays.asList("player-name"));
+ }
+
public static final class WorldConfig {
public final String worldName;
diff --git a/src/main/java/top/leavesmc/leaves/bot/BotCommand.java b/src/main/java/top/leavesmc/leaves/bot/BotCommand.java
new file mode 100644
index 0000000000000000000000000000000000000000..28744e9065493c7764d0b7a8c5ec0883c21d8156
--- /dev/null
+++ b/src/main/java/top/leavesmc/leaves/bot/BotCommand.java
@@ -0,0 +1,106 @@
+package top.leavesmc.leaves.bot;
+
+import net.minecraft.world.damagesource.DamageSource;
+import org.bukkit.Bukkit;
+import org.bukkit.ChatColor;
+import org.bukkit.Location;
+import org.bukkit.command.Command;
+import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Player;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class BotCommand extends Command {
+
+ public BotCommand(String name) {
+ super(name);
+ this.description = "FakePlayer Command";
+ this.usageMessage = "/bot [create | remove]";
+ this.setPermission("bukkit.command.bot");
+ }
+
+ @Override
+ public List<String> tabComplete(CommandSender sender, String alias, String[] args, Location location) throws IllegalArgumentException {
+ var list = new ArrayList<String>();
+
+ if (args.length <= 1) {
+ list.add("create");
+ list.add("remove");
+ } else {
+ switch (args[0]) {
+ case "create" -> list.add("[BotName]");
+ case "remove" -> list.addAll(ServerBot.getBots().stream().map(e -> e.getName().getString()).toList());
+ }
+ }
+
+ return list;
+ }
+
+ @Override
+ public boolean execute(CommandSender sender, String commandLabel, String[] args) {
+ if (!testPermission(sender)) return true;
+
+ if (args.length == 0) {
+ sender.sendMessage(ChatColor.RED + "Usage: " + usageMessage);
+ return false;
+ }
+
+ switch (args[0]) {
+ case "create" -> this.onCreate(sender, args);
+
+ case "remove" -> this.onRemove(sender, args);
+
+ default -> {
+ sender.sendMessage(ChatColor.RED + "Usage: " + usageMessage);
+ return false;
+ }
+ }
+
+ return true;
+ }
+
+ private void onCreate(CommandSender sender, String[] args) {
+ if (args.length < 2) {
+ sender.sendMessage(ChatColor.RED + "Use /bot create [name] to create a fakeplayer");
+ return;
+ }
+
+ if (!(sender instanceof Player)) {
+ sender.sendMessage(ChatColor.RED + "This command only can use by player");
+ return;
+ }
+
+ if (!args[1].matches("^[a-zA-Z0-9_]{4,16}$")) {
+ sender.sendMessage(ChatColor.RED + "This name is unable");
+ }
+
+ if (Bukkit.getPlayer(args[1]) != null || ServerBot.getBot(args[1]) != null) {
+ sender.sendMessage(ChatColor.RED + "This player is in server");
+ return;
+ }
+
+ if (top.leavesmc.leaves.LeavesConfig.unableFakeplayerNames.contains(args[1])) {
+ sender.sendMessage(ChatColor.RED + "This name is unable");
+ return;
+ }
+
+ ServerBot.createBot(((Player) sender).getLocation(), args[1]);
+ }
+
+ private void onRemove(CommandSender sender, String[] args) {
+ if (args.length < 2) {
+ sender.sendMessage(ChatColor.RED + "Use /bot remove [name] to remove a fakeplayer");
+ return;
+ }
+
+ ServerBot bot = ServerBot.getBot(args[1]);
+
+ if (bot == null) {
+ sender.sendMessage(ChatColor.RED + "This fakeplayer is null");
+ return;
+ }
+
+ bot.die(DamageSource.OUT_OF_WORLD);
+ }
+}
diff --git a/src/main/java/top/leavesmc/leaves/bot/MojangAPI.java b/src/main/java/top/leavesmc/leaves/bot/MojangAPI.java
new file mode 100644
index 0000000000000000000000000000000000000000..daaece30b2a3983f1cc9ee9a851e8f373974d5ec
--- /dev/null
+++ b/src/main/java/top/leavesmc/leaves/bot/MojangAPI.java
@@ -0,0 +1,41 @@
+package top.leavesmc.leaves.bot;
+
+import com.google.gson.JsonObject;
+import com.google.gson.JsonParser;
+
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.net.URL;
+import java.util.HashMap;
+import java.util.Map;
+
+public class MojangAPI {
+
+ private static final boolean CACHE_ENABLED = false;
+
+ private static final Map<String, String[]> CACHE = new HashMap<>();
+
+ public static String[] getSkin(String name) {
+ if (CACHE_ENABLED && CACHE.containsKey(name)) {
+ return CACHE.get(name);
+ }
+
+ String[] values = pullFromAPI(name);
+ CACHE.put(name, values);
+ return values;
+ }
+
+ // Laggggggggggggggggggggggggggggggggggggggggg
+ public static String[] pullFromAPI(String name) {
+ try {
+ String uuid = new JsonParser().parse(new InputStreamReader(new URL("https://api.mojang.com/users/profiles/minecraft/" + name)
+ .openStream())).getAsJsonObject().get("id").getAsString();
+ JsonObject property = new JsonParser()
+ .parse(new InputStreamReader(new URL("https://sessionserver.mojang.com/session/minecraft/profile/" + uuid + "?unsigned=false")
+ .openStream())).getAsJsonObject().get("properties").getAsJsonArray().get(0).getAsJsonObject();
+ return new String[] {property.get("value").getAsString(), property.get("signature").getAsString()};
+ } catch (IOException | IllegalStateException e) {
+ return null;
+ }
+ }
+}
diff --git a/src/main/java/top/leavesmc/leaves/bot/ServerBot.java b/src/main/java/top/leavesmc/leaves/bot/ServerBot.java
new file mode 100644
index 0000000000000000000000000000000000000000..24d90f94da2d2ddea7e7134568b6bfcbe8c53ec3
--- /dev/null
+++ b/src/main/java/top/leavesmc/leaves/bot/ServerBot.java
@@ -0,0 +1,517 @@
+package top.leavesmc.leaves.bot;
+
+import com.mojang.authlib.GameProfile;
+import com.mojang.authlib.properties.Property;
+import io.netty.util.concurrent.Future;
+import io.netty.util.concurrent.GenericFutureListener;
+import net.minecraft.network.Connection;
+import net.minecraft.network.protocol.Packet;
+import net.minecraft.network.protocol.PacketFlow;
+import net.minecraft.network.protocol.game.ClientboundAddPlayerPacket;
+import net.minecraft.network.protocol.game.ClientboundPlayerInfoPacket;
+import net.minecraft.network.protocol.game.ClientboundRemoveEntitiesPacket;
+import net.minecraft.network.protocol.game.ClientboundRotateHeadPacket;
+import net.minecraft.network.protocol.game.ClientboundSetEntityDataPacket;
+import net.minecraft.network.syncher.EntityDataAccessor;
+import net.minecraft.network.syncher.EntityDataSerializers;
+import net.minecraft.server.MinecraftServer;
+import net.minecraft.server.dedicated.DedicatedServer;
+import net.minecraft.server.level.ServerLevel;
+import net.minecraft.server.level.ServerPlayer;
+import net.minecraft.server.level.TicketType;
+import net.minecraft.server.network.ServerGamePacketListenerImpl;
+import net.minecraft.server.network.ServerPlayerConnection;
+import net.minecraft.util.Mth;
+import net.minecraft.world.damagesource.DamageSource;
+import net.minecraft.world.entity.Entity;
+import net.minecraft.world.entity.MoverType;
+import net.minecraft.world.level.ChunkPos;
+import net.minecraft.world.level.chunk.LevelChunk;
+import net.minecraft.world.phys.AABB;
+import net.minecraft.world.phys.Vec3;
+import org.bukkit.Bukkit;
+import org.bukkit.ChatColor;
+import org.bukkit.Location;
+import org.bukkit.Material;
+import org.bukkit.World;
+import org.bukkit.block.Block;
+import org.bukkit.craftbukkit.CraftWorld;
+import org.bukkit.craftbukkit.entity.CraftPlayer;
+import org.bukkit.craftbukkit.scheduler.MinecraftInternalPlugin;
+import org.bukkit.entity.Player;
+import org.bukkit.event.entity.CreatureSpawnEvent;
+import org.bukkit.event.player.PlayerJoinEvent;
+import org.bukkit.event.player.PlayerTeleportEvent;
+import org.bukkit.plugin.Plugin;
+import org.bukkit.util.BoundingBox;
+import org.bukkit.util.Vector;
+import org.jetbrains.annotations.NotNull;
+import top.leavesmc.leaves.entity.Bot;
+import top.leavesmc.leaves.entity.CraftBot;
+import top.leavesmc.leaves.event.bot.BotCreateEvent;
+import top.leavesmc.leaves.bot.agent.BotAction;
+import top.leavesmc.leaves.event.bot.BotJoinEvent;
+import top.leavesmc.leaves.util.MathUtils;
+
+import javax.annotation.Nullable;
+import java.util.HashSet;
+import java.util.Objects;
+import java.util.Set;
+import java.util.UUID;
+
+public class ServerBot extends ServerPlayer {
+
+ private Vector velocity;
+ private Vector oldVelocity;
+
+ private boolean removeOnDeath;
+ private byte fireTicks;
+ private byte groundTicks;
+ private byte jumpTicks;
+ private byte noFallTicks;
+
+ private static final Set<ServerBot> bots = new HashSet<>();
+ private static final Plugin MINECRAFT_PLUGIN = new MinecraftInternalPlugin();
+
+ public ServerBot(MinecraftServer server, ServerLevel world, GameProfile profile) {
+ super(server, world, profile, null);
+ this.entityData.set(new EntityDataAccessor<>(16, EntityDataSerializers.INT), 0xFF);
+
+ this.velocity = new Vector(0, 0, 0);
+ this.oldVelocity = velocity.clone();
+ this.noFallTicks = 60;
+ this.fireTicks = 0;
+ this.removeOnDeath = true;
+ }
+
+ public static void createBot(Location loc, String name) {
+ Bukkit.getScheduler().runTaskAsynchronously(MINECRAFT_PLUGIN, () -> {
+ String[] skin = MojangAPI.getSkin(name);
+ Bukkit.getScheduler().runTask(MINECRAFT_PLUGIN, () -> createBot(loc, name, skin));
+ });
+ }
+
+ @Nullable
+ public static ServerBot createBot(@NotNull Location loc, @NotNull String name, String[] skin) {
+ MinecraftServer server = MinecraftServer.getServer();
+
+ BotCreateEvent event = new BotCreateEvent(name, loc, ChatColor.YELLOW + name + " joined the game");
+ server.server.getPluginManager().callEvent(event);
+ if (!event.isCancelled()) {
+ loc = event.getCreateLocation();
+
+ ServerLevel world = ((CraftWorld) Objects.requireNonNull(loc.getWorld())).getHandle();
+ UUID uuid = UUID.randomUUID();
+ CustomGameProfile profile = new CustomGameProfile(uuid, name.length() > 16 ? name.substring(0, 16) : name, skin);
+
+ ServerBot bot = new ServerBot(server, world, profile);
+
+ bot.connection = new ServerGamePacketListenerImpl(server, new Connection(PacketFlow.CLIENTBOUND) {
+ @Override
+ public void send(@NotNull Packet<?> packet, @Nullable GenericFutureListener<? extends Future<? super Void>> callback) {
+ }
+ }, bot);
+ bot.isRealPlayer = true;
+
+ if (event.getJoinMessage() != null) {
+ Bukkit.broadcastMessage(event.getJoinMessage());
+ }
+
+ bot.teleportTo(loc.getX(), loc.getY(), loc.getZ());
+ bot.setRot(loc.getYaw(), loc.getPitch());
+ world.addFreshEntity(bot, CreatureSpawnEvent.SpawnReason.COMMAND);
+
+ bot.renderAll();
+ bots.add(bot);
+
+ BotJoinEvent event1 = new BotJoinEvent(bot.getBukkitPlayer());
+ server.server.getPluginManager().callEvent(event1);
+
+ return bot;
+ }
+
+ return null;
+ }
+
+ private void renderAll() {
+ Packet<?>[] packets = getRenderPackets();
+ Bukkit.getOnlinePlayers().forEach(p ->
+ render(((CraftPlayer) p).getHandle().connection, packets, false, p.getWorld() == getBukkitPlayer().getWorld()));
+ }
+
+ public void render(ServerPlayerConnection connection, boolean login, boolean all) {
+ render(connection, getRenderPackets(), login, all);
+ }
+
+ private void render(ServerPlayerConnection connection, Packet<?>[] packets, boolean login, boolean all) { // always use getRenderPackets() to get packets. replace it soon
+ connection.send(packets[0]);
+ if (all) {
+ connection.send(packets[1]);
+ connection.send(packets[2]);
+ if (login) {
+ connection.send(packets[3]); // This need delay 10 tick ? real ?
+ } else {
+ connection.send(packets[3]);
+ }
+ }
+ }
+
+ private Packet<?>[] getRenderPackets() {
+ return new Packet[]{
+ new ClientboundPlayerInfoPacket(ClientboundPlayerInfoPacket.Action.ADD_PLAYER, this),
+ new ClientboundAddPlayerPacket(this),
+ new ClientboundSetEntityDataPacket(this.getId(), this.getEntityData(), true),
+ new ClientboundRotateHeadPacket(this, (byte) ((getYRot() * 256f) / 360f))
+ };
+ }
+
+ private void sendPacket(Packet<?> packet) {
+ Bukkit.getOnlinePlayers().forEach(p -> ((CraftPlayer) p).getHandle().connection.send(packet));
+ }
+
+ // die check start
+ @Override
+ public void die(DamageSource damageSource) {
+ super.die(damageSource);
+ this.dieCheck();
+ }
+
+ private void dieCheck() {
+ if (removeOnDeath) {
+ bots.remove(this);
+ remove(RemovalReason.KILLED);
+ this.setDead();
+ this.removeTab();
+ Bukkit.broadcastMessage(ChatColor.YELLOW + this.getName().getString() + " leaved the game"); // TODO i18n
+ }
+ }
+
+ private void setDead() {
+ sendPacket(new ClientboundRemoveEntitiesPacket(getId()));
+ this.dead = true;
+ this.inventoryMenu.removed(this);
+ this.containerMenu.removed(this);
+ }
+ // die check end
+
+ @Nullable
+ @Override
+ public Entity changeDimension(ServerLevel destination) {
+ return null; // disable dimension change
+ }
+
+ @Override
+ public boolean isOnGround() {
+ return groundTicks != 0;
+ }
+
+ private void removeTab() {
+ sendPacket(new ClientboundPlayerInfoPacket(ClientboundPlayerInfoPacket.Action.REMOVE_PLAYER, this));
+ }
+
+ public static boolean solidAt(Location loc) {
+ Block block = loc.getBlock();
+ BoundingBox box = block.getBoundingBox();
+ Vector position = loc.toVector();
+
+ double x = position.getX();
+ double y = position.getY();
+ double z = position.getZ();
+
+ double minX = box.getMinX();
+ double minY = box.getMinY();
+ double minZ = box.getMinZ();
+
+ double maxX = box.getMaxX();
+ double maxY = box.getMaxY();
+ double maxZ = box.getMaxZ();
+
+ return x > minX && x < maxX && y > minY && y < maxY && z > minZ && z < maxZ;
+ }
+
+ private void loadChunks() {
+ ServerLevel world = (ServerLevel) level;
+ int view = ((DedicatedServer) server).settings.getProperties().viewDistance - 1;
+ for (int i = chunkPosition().x - view; i <= chunkPosition().x + view; i++) {
+ for (int j = chunkPosition().z - view; j <= chunkPosition().z + view; j++) {
+ LevelChunk chunk = world.getChunk(i, j);
+ ChunkPos chunkPos = chunk.getPos();
+ chunk.loaded = true;
+ world.chunkSource.chunkMap.distanceManager.addTicket(TicketType.PLAYER, chunkPos, 31, chunkPos);
+ }
+ }
+ }
+
+ public boolean checkGround() {
+ double vy = velocity.getY();
+
+ if (vy > 0) {
+ return false;
+ }
+
+ World world = getBukkitPlayer().getWorld();
+ AABB box = getBoundingBox();
+
+ double[] xVals = new double[]{
+ box.minX,
+ box.maxX
+ };
+
+ double[] zVals = new double[]{
+ box.minZ,
+ box.maxZ
+ };
+
+ for (double x : xVals) {
+ for (double z : zVals) {
+ Location loc = new Location(world, x, getY() - 0.01, z);
+ Block block = world.getBlockAt(loc);
+
+ if (block.getType().isSolid() && solidAt(loc)) {
+ return true;
+ }
+ }
+ }
+
+ return false;
+ }
+
+ public Bot getBukkitPlayer() {
+ return getBukkitEntity();
+ }
+
+ @Override
+ @NotNull
+ public CraftBot getBukkitEntity() {
+ return (CraftBot) super.getBukkitEntity();
+ }
+
+ @Override
+ public boolean isInWater() {
+ Location loc = getLocation();
+ for (int i = 0; i <= 2; i++) {
+ Material type = loc.getBlock().getType();
+ if (type == Material.WATER || type == Material.LAVA) {
+ return true;
+ }
+ loc.add(0, 0.9, 0);
+ }
+ return false;
+ }
+
+ @Override
+ public void tick() {
+ // loadChunks(); // Load chunks
+ super.tick();
+
+ if (!isAlive()) return;
+
+ if (fireTicks > 0) --fireTicks;
+ if (jumpTicks > 0) --jumpTicks;
+ if (noFallTicks > 0) --noFallTicks;
+
+ if (checkGround()) {
+ if (groundTicks < 5) groundTicks++;
+ } else {
+ groundTicks = 0;
+ }
+
+ updateLocation();
+
+ float health = getHealth();
+ float maxHealth = getMaxHealth();
+ float regenAmount = 0.025f;
+ float amount;
+
+ if (health < maxHealth - regenAmount) {
+ amount = health + regenAmount;
+ } else {
+ amount = maxHealth;
+ }
+
+ this.setHealth(amount);
+
+ fireDamageCheck();
+ fallDamageCheck();
+
+ checkOutOfWorld();
+
+ oldVelocity = velocity.clone();
+ }
+
+ @Override
+ public void push(Entity entity) {
+ if (!this.isPassengerOfSameVehicle(entity) && !entity.noPhysics && !this.noPhysics) {
+ double d0 = entity.getX() - this.getX();
+ double d1 = entity.getZ() - this.getZ();
+ double d2 = Mth.absMax(d0, d1);
+ if (d2 >= 0.009999999776482582D) {
+ d2 = Math.sqrt(d2);
+ d0 /= d2;
+ d1 /= d2;
+ double d3 = 1.0D / d2;
+ if (d3 > 1.0D) {
+ d3 = 1.0D;
+ }
+
+ d0 *= d3;
+ d1 *= d3;
+ d0 *= 0.05000000074505806D;
+ d1 *= 0.05000000074505806D;
+ if (!this.isVehicle()) {
+ velocity.add(new Vector(-d0 * 3, 0.0D, -d1 * 3));
+ }
+
+ if (!entity.isVehicle()) {
+ entity.push(d0, 0.0D, d1);
+ }
+ }
+ }
+ }
+
+ @Override
+ public void doTick() {
+ if (this.hurtTime > 0) {
+ this.hurtTime -= 1;
+ }
+
+ baseTick();
+ tickEffects();
+
+ this.lerpSteps = (int) this.zza;
+ this.animStep = this.run;
+ this.yRotO = this.getYRot();
+ this.xRotO = this.getXRot();
+ }
+
+ public Location getLocation() {
+ return getBukkitPlayer().getLocation();
+ }
+
+ public void setOnFirePackets(boolean onFire) {
+ entityData.set(new EntityDataAccessor<>(0, EntityDataSerializers.BYTE), onFire ? (byte) 1 : (byte) 0);
+ sendPacket(new ClientboundSetEntityDataPacket(getId(), getEntityData(), false));
+ }
+
+ private void fallDamageCheck() {
+ if (groundTicks != 0 && noFallTicks == 0 && !(oldVelocity.getY() >= -0.8)) {
+ hurt(DamageSource.FALL, (float) Math.pow(3.6, -oldVelocity.getY()));
+ }
+ }
+
+ private void fireDamageCheck() {
+ Material type = getLocation().getBlock().getType();
+
+ final boolean lava = type == Material.LAVA;
+ final boolean fire = type == Material.FIRE || type == Material.SOUL_FIRE;
+
+ if (!isAlive()) {
+ return;
+ }
+
+ if (type == Material.WATER) {
+ setOnFirePackets(false);
+ fireTicks = 0;
+ return;
+ }
+
+ if (lava || fire) {
+ ignite();
+ }
+
+ if (invulnerableTime == 0) {
+ if (lava) {
+ hurt(DamageSource.LAVA, 4);
+ invulnerableTime = 12;
+ } else if (fire) {
+ hurt(DamageSource.IN_FIRE, 2);
+ invulnerableTime = 12;
+ } else if (fireTicks > 1) {
+ hurt(DamageSource.ON_FIRE, 1);
+ invulnerableTime = 20;
+ }
+ }
+
+ if (fireTicks == 1) {
+ setOnFirePackets(false);
+ }
+ }
+
+ public void ignite() {
+ if (fireTicks <= 1) setOnFirePackets(true);
+ this.fireTicks = 100;
+ }
+
+ public void addFriction(double factor) {
+
+ double frictionMin = 0.01;
+ double x = velocity.getX();
+ double z = velocity.getZ();
+
+ velocity.setX(Math.abs(x) < frictionMin ? 0 : x * factor);
+ velocity.setZ(Math.abs(z) < frictionMin ? 0 : z * factor);
+ }
+
+ private void updateLocation() {
+ double y;
+
+ MathUtils.clean(velocity); // TODO lag
+
+ if (isInWater()) {
+ y = Math.min(velocity.getY() + 0.1, 0.1);
+ addFriction(0.8);
+ velocity.setY(y);
+ } else {
+ if (groundTicks != 0) {
+ velocity.setY(0);
+ addFriction(0.5);
+ y = 0;
+ } else {
+ y = velocity.getY();
+ velocity.setY(Math.max(y - 0.1, -3.5));
+ }
+ }
+
+ this.move(MoverType.SELF, new Vec3(velocity.getX(), y, velocity.getZ()));
+ }
+
+ public static ServerBot getBot(ServerPlayer player) {
+ ServerBot bot = null;
+ for (ServerBot b : bots) {
+ if (b.getId() == player.getId()) {
+ bot = b;
+ break;
+ }
+ }
+ return bot;
+ }
+
+ public static ServerBot getBot(String name) {
+ ServerBot bot = null;
+ for (ServerBot b : bots) {
+ if (b.getName().getString().equals(name)) {
+ bot = b;
+ break;
+ }
+ }
+ return bot;
+ }
+
+ public static Set<ServerBot> getBots() { // It needs unmodifiable
+ return bots;
+ }
+
+ public static class CustomGameProfile extends GameProfile {
+
+ public CustomGameProfile(UUID uuid, String name, String[] skin) {
+ super(uuid, name);
+ setSkin(skin);
+ }
+
+ public void setSkin(String[] skin) {
+ if (skin != null) {
+ getProperties().put("textures", new Property("textures", skin[0], skin[1]));
+ }
+ }
+ }
+}
diff --git a/src/main/java/top/leavesmc/leaves/entity/CraftBot.java b/src/main/java/top/leavesmc/leaves/entity/CraftBot.java
new file mode 100644
index 0000000000000000000000000000000000000000..2d5044c4a09044364e818b7674908bf98932bf58
--- /dev/null
+++ b/src/main/java/top/leavesmc/leaves/entity/CraftBot.java
@@ -0,0 +1,26 @@
+package top.leavesmc.leaves.entity;
+
+import org.bukkit.craftbukkit.CraftServer;
+import org.bukkit.craftbukkit.entity.CraftPlayer;
+import top.leavesmc.leaves.bot.ServerBot;
+
+public class CraftBot extends CraftPlayer implements Bot {
+
+ public CraftBot(CraftServer server, ServerBot entity) {
+ super(server, entity);
+ }
+
+ @Override
+ public ServerBot getHandle() {
+ return (ServerBot) entity;
+ }
+
+ public void setHandle(final ServerBot entity) {
+ super.setHandle(entity);
+ }
+
+ @Override
+ public String toString() {
+ return "CraftBot{" + "name=" + getName() + '}';
+ }
+}
diff --git a/src/main/java/top/leavesmc/leaves/util/MathUtils.java b/src/main/java/top/leavesmc/leaves/util/MathUtils.java
new file mode 100644
index 0000000000000000000000000000000000000000..acdef051d6d4eb4e0d957bfbd7f205827c2f23a9
--- /dev/null
+++ b/src/main/java/top/leavesmc/leaves/util/MathUtils.java
@@ -0,0 +1,13 @@
+package top.leavesmc.leaves.util;
+
+import org.bukkit.util.NumberConversions;
+import org.bukkit.util.Vector;
+
+public class MathUtils {
+ // Lag ?
+ public static void clean(Vector vector) {
+ if (!NumberConversions.isFinite(vector.getX())) vector.setX(0);
+ if (!NumberConversions.isFinite(vector.getY())) vector.setY(0);
+ if (!NumberConversions.isFinite(vector.getZ())) vector.setZ(0);
+ }
+}
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