bot physics complete
This commit is contained in:
batchprogrammer314
282
src/net/nuggetmc/ai/npc/NPC.java
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282
src/net/nuggetmc/ai/npc/NPC.java
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package net.nuggetmc.ai.npc;
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import com.mojang.authlib.GameProfile;
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import com.mojang.authlib.properties.Property;
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import net.minecraft.server.v1_16_R3.*;
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import net.nuggetmc.ai.PlayerAI;
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import net.nuggetmc.ai.utils.MojangAPI;
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import net.nuggetmc.ai.utils.SteveUUID;
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import org.bukkit.Bukkit;
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import org.bukkit.Location;
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import org.bukkit.World;
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import org.bukkit.attribute.Attribute;
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import org.bukkit.craftbukkit.v1_16_R3.CraftServer;
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import org.bukkit.craftbukkit.v1_16_R3.CraftWorld;
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import org.bukkit.craftbukkit.v1_16_R3.entity.CraftEntity;
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import org.bukkit.craftbukkit.v1_16_R3.entity.CraftPlayer;
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import org.bukkit.entity.Player;
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import org.bukkit.util.Vector;
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import java.util.UUID;
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public class NPC extends EntityPlayer {
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public Vector velocity;
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private byte kbTicks;
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private final double REGEN_AMOUNT = 0.05;
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public NPC(MinecraftServer minecraftServer, WorldServer worldServer, GameProfile profile, PlayerInteractManager manager) {
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super(minecraftServer, worldServer, profile, manager);
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velocity = new Vector(0, 0, 0);
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kbTicks = 0;
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}
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public static NPC createNPC(String name, Location loc, String skin) {
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MinecraftServer nmsServer = ((CraftServer) Bukkit.getServer()).getServer();
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WorldServer nmsWorld = ((CraftWorld) loc.getWorld()).getHandle();
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UUID uuid = SteveUUID.generate();
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GameProfile profile = new GameProfile(uuid, name);
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PlayerInteractManager interactManager = new PlayerInteractManager(nmsWorld);
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if (skin != null) {
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setSkin(profile, skin);
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}
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NPC npc = new NPC(nmsServer, nmsWorld, profile, interactManager);
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npc.playerConnection = new PlayerConnection(nmsServer, new NetworkManager(EnumProtocolDirection.CLIENTBOUND), npc);
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npc.setLocation(loc.getX(), loc.getY(), loc.getZ(), loc.getYaw(), loc.getPitch());
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npc.getBukkitEntity().setNoDamageTicks(0);
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nmsWorld.addEntity(npc);
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sendSpawnPackets(npc);
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PlayerAI.getInstance().getManager().add(npc);
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return npc;
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}
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private static void setSkin(GameProfile profile, String skin) {
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String[] vals = MojangAPI.getSkin(skin);
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if (vals != null) {
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profile.getProperties().put("textures", new Property("textures", vals[0], vals[1]));
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}
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}
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private static void sendSpawnPackets(NPC npc) {
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DataWatcher watcher = npc.getDataWatcher();
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watcher.set(new DataWatcherObject<>(16, DataWatcherRegistry.a), (byte) 0xFF);
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for (Player player : Bukkit.getOnlinePlayers()) {
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PlayerConnection connection = ((CraftPlayer) player).getHandle().playerConnection;
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npc.render(connection, false);
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}
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}
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public void render(PlayerConnection connection, boolean login) {
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connection.sendPacket(new PacketPlayOutPlayerInfo(PacketPlayOutPlayerInfo.EnumPlayerInfoAction.ADD_PLAYER, this));
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connection.sendPacket(new PacketPlayOutNamedEntitySpawn(this));
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connection.sendPacket(new PacketPlayOutEntityMetadata(this.getId(), this.getDataWatcher(), true));
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connection.sendPacket(new PacketPlayOutPlayerInfo(PacketPlayOutPlayerInfo.EnumPlayerInfoAction.REMOVE_PLAYER, this));
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PacketPlayOutEntityHeadRotation rotationPacket = new PacketPlayOutEntityHeadRotation(this, (byte) ((this.yaw * 256f) / 360f));
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if (login) {
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Bukkit.getScheduler().runTaskLater(PlayerAI.getInstance(), () -> connection.sendPacket(rotationPacket), 10);
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} else {
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connection.sendPacket(rotationPacket);
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}
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}
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public void setVelocity(Vector vector) {
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this.velocity = vector;
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}
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public void addVelocity(Vector vector) {
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this.velocity.add(vector);
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}
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@Override
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public void tick() {
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super.tick();
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if (noDamageTicks > 0) --noDamageTicks;
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if (kbTicks > 0) --kbTicks;
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Player playerNPC = this.getBukkitEntity();
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if (playerNPC.isDead()) return;
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double health = playerNPC.getHealth();
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double maxHealth = playerNPC.getAttribute(Attribute.GENERIC_MAX_HEALTH).getDefaultValue();
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double amount;
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if (health < maxHealth - REGEN_AMOUNT) {
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amount = health + REGEN_AMOUNT;
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} else {
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amount = maxHealth;
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}
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playerNPC.setHealth(amount);
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updateLocation();
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}
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private void updateLocation() {
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velocity.setY(velocity.getY() - 0.1);
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if (predictGround()) {
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velocity.setY(0);
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addFriction();
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}
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this.move(EnumMoveType.SELF, new Vec3D(velocity.getX(), velocity.getY(), velocity.getZ()));
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}
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private final double OFFSET = 0.05;
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public boolean predictGround() {
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double vy = velocity.getY();
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if (vy > 0) {
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return false;
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}
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double m = vy / 20.0;
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World world = getBukkitEntity().getWorld();
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AxisAlignedBB box = getBoundingBox();
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double[] xVals = new double[] {
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box.minX + OFFSET,
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box.maxX - OFFSET
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};
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double[] zVals = new double[] {
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box.minZ + OFFSET,
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box.maxZ - OFFSET
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};
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for (double x : xVals) {
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for (double z : zVals) {
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double i = locY();
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for (int n = 0; n < 20; n++) {
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Location test = new Location(world, x, i, z);
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if (test.getBlock().getType().isSolid()) {
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return true;
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}
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i += m;
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}
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}
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}
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return false;
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}
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public void addFriction() {
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velocity.setX(velocity.getX() * 0.5);
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velocity.setZ(velocity.getZ() * 0.5);
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}
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public void despawn() {
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getBukkitEntity().remove();
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}
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@Override
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public void collide(Entity entity) {
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if (!this.isSameVehicle(entity) && !entity.noclip && !this.noclip) {
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double d0 = entity.locX() - this.locX();
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double d1 = entity.locZ() - this.locZ();
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double d2 = MathHelper.a(d0, d1);
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if (d2 >= 0.009999999776482582D) {
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d2 = MathHelper.sqrt(d2);
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d0 /= d2;
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d1 /= d2;
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double d3 = 1.0D / d2;
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if (d3 > 1.0D) {
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d3 = 1.0D;
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}
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d0 *= d3;
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d1 *= d3;
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d0 *= 0.05000000074505806D;
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d1 *= 0.05000000074505806D;
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d0 *= 1.0F - this.I;
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d1 *= 1.0F - this.I;
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if (!this.isVehicle()) {
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velocity.add(new Vector(-d0 * 3, 0.0D, -d1 * 3));
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}
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if (!entity.isVehicle()) {
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entity.i(d0, 0.0D, d1);
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}
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}
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}
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}
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@Override
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public boolean damageEntity(DamageSource damagesource, float f) {
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boolean damaged = super.damageEntity(damagesource, f);
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net.minecraft.server.v1_16_R3.Entity attacker = damagesource.getEntity();
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if (damaged && kbTicks == 0 && attacker != null) {
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Player player = getBukkitEntity();
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CraftEntity entity = attacker.getBukkitEntity();
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Location loc1 = player.getLocation();
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Location loc2 = entity.getLocation();
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kb(player, loc1, loc2);
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}
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return damaged;
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}
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private void kb(Player playerNPC, Location loc1, Location loc2) {
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Vector diff = loc1.toVector().subtract(loc2.toVector()).normalize();
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diff.multiply(0.25);
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diff.setY(0.5);
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velocity.add(diff);
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kbTicks = 10;
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}
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public void faceLocation(Location loc) {
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try {
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CraftPlayer playerNPC = this.getBukkitEntity();
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Vector dir = loc.toVector().subtract(playerNPC.getLocation().toVector()).normalize();
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Location facing = playerNPC.getLocation().setDirection(dir);
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playerNPC.teleport(facing);
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for (Player player : Bukkit.getOnlinePlayers()) {
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PlayerConnection connection = ((CraftPlayer) player).getHandle().playerConnection;
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connection.sendPacket(new PacketPlayOutEntityHeadRotation(playerNPC.getHandle(), (byte) (facing.getYaw() * 256 / 360)));
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}
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} catch (IllegalArgumentException ignored) { }
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}
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@Override
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public void playerTick() {
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if (this.hurtTicks > 0) {
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this.hurtTicks -= 1;
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}
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entityBaseTick();
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tickPotionEffects();
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this.aU = (int) this.aT;
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this.aL = this.aK;
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this.lastYaw = this.yaw;
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this.lastPitch = this.pitch;
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}
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}
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153
src/net/nuggetmc/ai/npc/NPCManager.java
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153
src/net/nuggetmc/ai/npc/NPCManager.java
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@@ -0,0 +1,153 @@
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package net.nuggetmc.ai.npc;
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import io.netty.channel.*;
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import net.minecraft.server.v1_16_R3.PacketPlayOutEntityMetadata;
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import net.minecraft.server.v1_16_R3.PacketPlayOutNamedEntitySpawn;
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import net.minecraft.server.v1_16_R3.PacketPlayOutPlayerInfo;
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import net.minecraft.server.v1_16_R3.PlayerConnection;
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import net.nuggetmc.ai.PlayerAI;
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import org.bukkit.Bukkit;
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import org.bukkit.craftbukkit.v1_16_R3.entity.CraftPlayer;
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import org.bukkit.entity.Player;
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import org.bukkit.event.EventHandler;
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import org.bukkit.event.Listener;
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import org.bukkit.event.player.PlayerJoinEvent;
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import org.bukkit.event.player.PlayerQuitEvent;
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import java.lang.reflect.Field;
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import java.util.HashMap;
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import java.util.HashSet;
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import java.util.Map;
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import java.util.Set;
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public class NPCManager implements Listener {
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private PlayerAI plugin;
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private final Set<NPC> NPCS = new HashSet<>();
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private final Map<Integer, NPC> NPC_CONNECTIONS = new HashMap<>();
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public Set<NPC> fetch() {
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return NPCS;
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}
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public void add(NPC npc) {
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NPCS.add(npc);
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Bukkit.getScheduler().runTaskLater(PlayerAI.getInstance(), () -> {
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NPC_CONNECTIONS.put(npc.getId(), npc);
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}, 10);
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}
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public NPCManager(PlayerAI instance) {
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plugin = instance;
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}
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public void reset() {
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for (NPC npc : NPCS) {
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npc.despawn();
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}
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NPCS.clear();
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NPC_CONNECTIONS.clear();
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}
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@EventHandler
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public void onJoin(PlayerJoinEvent event) {
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PlayerConnection connection = ((CraftPlayer) event.getPlayer()).getHandle().playerConnection;
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for (NPC npc : NPCS) {
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npc.render(connection, true);
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}
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injectPlayer(event.getPlayer());
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}
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public void connectAll() {
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for (Player player : Bukkit.getOnlinePlayers()) {
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injectPlayer(player);
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}
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}
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@EventHandler
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public void onQuit(PlayerQuitEvent event) {
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removePlayer(event.getPlayer());
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}
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public void disconnectAll() {
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for (Player player : Bukkit.getOnlinePlayers()) {
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removePlayer(player);
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}
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}
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private void injectPlayer(Player player) {
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ChannelDuplexHandler channelDuplexHandler = new ChannelDuplexHandler() {
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@Override
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public void channelRead(ChannelHandlerContext channelHandlerContext, Object packet) throws Exception {
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super.channelRead(channelHandlerContext, packet);
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}
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@Override
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public void write(ChannelHandlerContext channelHandlerContext, Object packet, ChannelPromise channelPromise) throws Exception {
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if (packet instanceof PacketPlayOutNamedEntitySpawn) {
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renderNPC(player, (PacketPlayOutNamedEntitySpawn) packet);
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}
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super.write(channelHandlerContext, packet, channelPromise);
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}
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};
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ChannelPipeline pipeline = ((CraftPlayer) player).getHandle().playerConnection.networkManager.channel.pipeline();
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try {
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pipeline.addBefore("packet_handler", player.getName(), channelDuplexHandler);
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} catch (IllegalArgumentException ignore) { }
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}
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private void renderNPC(Player player, PacketPlayOutNamedEntitySpawn packet) {
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PlayerConnection connection = ((CraftPlayer) player).getHandle().playerConnection;
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Field field;
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try {
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field = packet.getClass().getDeclaredField("a");
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} catch (NoSuchFieldException e) {
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return;
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}
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field.setAccessible(true);
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Object obj;
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try {
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obj = field.get(packet);
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} catch (IllegalAccessException e) {
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return;
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}
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if (!(obj instanceof Integer)) return;
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int n = (int) obj;
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NPC npc = NPC_CONNECTIONS.get(n);
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if (npc == null) return;
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connection.sendPacket(new PacketPlayOutPlayerInfo(PacketPlayOutPlayerInfo.EnumPlayerInfoAction.ADD_PLAYER, npc));
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connection.sendPacket(new PacketPlayOutEntityMetadata(npc.getId(), npc.getDataWatcher(), true));
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PacketPlayOutPlayerInfo noTabPacket = new PacketPlayOutPlayerInfo(PacketPlayOutPlayerInfo.EnumPlayerInfoAction.REMOVE_PLAYER, npc);
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Bukkit.getScheduler().runTaskLater(plugin, () -> {
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if (!connection.isDisconnected()) {
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connection.sendPacket(noTabPacket);
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}
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}, 5);
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}
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public void removePlayer(Player player) {
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Channel channel = ((CraftPlayer) player).getHandle().playerConnection.networkManager.channel;
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channel.eventLoop().submit(() -> {
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channel.pipeline().remove(player.getName());
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return null;
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});
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}
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}
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Reference in New Issue
Block a user