370 lines
13 KiB
Java
370 lines
13 KiB
Java
/*
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* Minecraft Forge
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* Copyright (c) 2016-2019.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation version 2.1
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* of the License.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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package net.minecraftforge.fml.network;
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import io.netty.buffer.Unpooled;
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import net.minecraft.client.Minecraft;
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import net.minecraft.client.gui.IHasContainer;
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import net.minecraft.client.gui.ScreenManager;
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import net.minecraft.client.gui.screen.Screen;
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import net.minecraft.client.world.ClientWorld;
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import net.minecraft.entity.Entity;
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import net.minecraft.entity.EntityType;
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import net.minecraft.inventory.container.Container;
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import net.minecraft.inventory.container.ContainerType;
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import net.minecraft.network.PacketBuffer;
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import net.minecraft.util.ResourceLocation;
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import net.minecraft.util.math.MathHelper;
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import net.minecraft.util.math.Vec3d;
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import net.minecraft.world.World;
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import net.minecraft.world.biome.FuzzedBiomeMagnifier;
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import net.minecraft.world.dimension.DimensionType;
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import net.minecraftforge.common.ModDimension;
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import net.minecraftforge.fml.LogicalSidedProvider;
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import net.minecraft.util.registry.Registry;
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import net.minecraft.util.text.ITextComponent;
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import net.minecraftforge.fml.common.registry.IEntityAdditionalSpawnData;
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import net.minecraftforge.registries.ForgeRegistries;
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import java.util.Optional;
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import java.util.UUID;
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import java.util.function.Supplier;
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public class FMLPlayMessages
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{
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/**
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* Used to spawn a custom entity without the same restrictions as
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* {@link net.minecraft.network.play.server.SSpawnObjectPacket} or {@link net.minecraft.network.play.server.SSpawnMobPacket}
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*
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* To customize how your entity is created clientside (instead of using the default factory provided to the {@link EntityType})
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* see {@link EntityType.Builder#setCustomClientFactory}.
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*/
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public static class SpawnEntity
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{
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private final Entity entity;
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private final int typeId;
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private final int entityId;
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private final UUID uuid;
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private final double posX, posY, posZ;
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private final byte pitch, yaw, headYaw;
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private final int velX, velY, velZ;
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private final PacketBuffer buf;
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SpawnEntity(Entity e)
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{
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this.entity = e;
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this.typeId = Registry.ENTITY_TYPE.getId(e.getType());
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this.entityId = e.getEntityId();
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this.uuid = e.getUniqueID();
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this.posX = e.getPosX();
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this.posY = e.getPosY();
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this.posZ = e.getPosZ();
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this.pitch = (byte) MathHelper.floor(e.rotationPitch * 256.0F / 360.0F);
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this.yaw = (byte) MathHelper.floor(e.rotationYaw * 256.0F / 360.0F);
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this.headYaw = (byte) (e.getRotationYawHead() * 256.0F / 360.0F);
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Vec3d vec3d = e.getMotion();
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double d1 = MathHelper.clamp(vec3d.x, -3.9D, 3.9D);
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double d2 = MathHelper.clamp(vec3d.y, -3.9D, 3.9D);
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double d3 = MathHelper.clamp(vec3d.z, -3.9D, 3.9D);
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this.velX = (int)(d1 * 8000.0D);
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this.velY = (int)(d2 * 8000.0D);
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this.velZ = (int)(d3 * 8000.0D);
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this.buf = null;
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}
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private SpawnEntity(int typeId, int entityId, UUID uuid, double posX, double posY, double posZ,
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byte pitch, byte yaw, byte headYaw, int velX, int velY, int velZ, PacketBuffer buf)
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{
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this.entity = null;
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this.typeId = typeId;
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this.entityId = entityId;
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this.uuid = uuid;
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this.posX = posX;
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this.posY = posY;
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this.posZ = posZ;
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this.pitch = pitch;
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this.yaw = yaw;
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this.headYaw = headYaw;
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this.velX = velX;
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this.velY = velY;
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this.velZ = velZ;
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this.buf = buf;
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}
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public static void encode(SpawnEntity msg, PacketBuffer buf)
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{
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buf.writeVarInt(msg.typeId);
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buf.writeInt(msg.entityId);
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buf.writeLong(msg.uuid.getMostSignificantBits());
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buf.writeLong(msg.uuid.getLeastSignificantBits());
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buf.writeDouble(msg.posX);
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buf.writeDouble(msg.posY);
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buf.writeDouble(msg.posZ);
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buf.writeByte(msg.pitch);
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buf.writeByte(msg.yaw);
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buf.writeByte(msg.headYaw);
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buf.writeShort(msg.velX);
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buf.writeShort(msg.velY);
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buf.writeShort(msg.velZ);
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if (msg.entity instanceof IEntityAdditionalSpawnData)
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{
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((IEntityAdditionalSpawnData) msg.entity).writeSpawnData(buf);
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}
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}
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public static SpawnEntity decode(PacketBuffer buf)
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{
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return new SpawnEntity(
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buf.readVarInt(),
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buf.readInt(),
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new UUID(buf.readLong(), buf.readLong()),
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buf.readDouble(), buf.readDouble(), buf.readDouble(),
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buf.readByte(), buf.readByte(), buf.readByte(),
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buf.readShort(), buf.readShort(), buf.readShort(),
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buf
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);
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}
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public static void handle(SpawnEntity msg, Supplier<NetworkEvent.Context> ctx)
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{
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ctx.get().enqueueWork(() -> {
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EntityType<?> type = Registry.ENTITY_TYPE.getByValue(msg.typeId);
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if (type == null)
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{
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throw new RuntimeException(String.format("Could not spawn entity (id %d) with unknown type at (%f, %f, %f)", msg.entityId, msg.posX, msg.posY, msg.posZ));
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}
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Optional<World> world = LogicalSidedProvider.CLIENTWORLD.get(ctx.get().getDirection().getReceptionSide());
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Entity e = world.map(w->type.customClientSpawn(msg, w)).orElse(null);
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if (e == null)
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{
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return;
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}
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e.setPacketCoordinates(msg.posX, msg.posY, msg.posZ);
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e.setPositionAndRotation(msg.posX, msg.posY, msg.posZ, (msg.yaw * 360) / 256.0F, (msg.pitch * 360) / 256.0F);
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e.setRotationYawHead((msg.headYaw * 360) / 256.0F);
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e.setRenderYawOffset((msg.headYaw * 360) / 256.0F);
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e.setEntityId(msg.entityId);
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e.setUniqueId(msg.uuid);
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world.filter(ClientWorld.class::isInstance).ifPresent(w->((ClientWorld)w).addEntity(msg.entityId, e));
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e.setVelocity(msg.velX / 8000.0, msg.velY / 8000.0, msg.velZ / 8000.0);
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if (e instanceof IEntityAdditionalSpawnData)
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{
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((IEntityAdditionalSpawnData) e).readSpawnData(msg.buf);
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}
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});
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ctx.get().setPacketHandled(true);
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}
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public Entity getEntity()
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{
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return entity;
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}
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public int getTypeId()
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{
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return typeId;
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}
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public int getEntityId()
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{
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return entityId;
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}
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public UUID getUuid()
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{
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return uuid;
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}
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public double getPosX()
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{
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return posX;
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}
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public double getPosY()
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{
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return posY;
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}
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public double getPosZ()
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{
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return posZ;
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}
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public byte getPitch()
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{
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return pitch;
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}
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public byte getYaw()
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{
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return yaw;
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}
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public byte getHeadYaw()
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{
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return headYaw;
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}
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public int getVelX()
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{
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return velX;
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}
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public int getVelY()
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{
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return velY;
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}
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public int getVelZ()
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{
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return velZ;
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}
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public PacketBuffer getAdditionalData()
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{
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return buf;
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}
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}
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public static class OpenContainer
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{
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private final int id;
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private final int windowId;
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private final ITextComponent name;
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private final PacketBuffer additionalData;
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OpenContainer(ContainerType<?> id, int windowId, ITextComponent name, PacketBuffer additionalData)
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{
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this(Registry.MENU.getId(id), windowId, name, additionalData);
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}
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private OpenContainer(int id, int windowId, ITextComponent name, PacketBuffer additionalData)
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{
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this.id = id;
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this.windowId = windowId;
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this.name = name;
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this.additionalData = additionalData;
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}
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public static void encode(OpenContainer msg, PacketBuffer buf)
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{
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buf.writeVarInt(msg.id);
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buf.writeVarInt(msg.windowId);
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buf.writeTextComponent(msg.name);
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buf.writeByteArray(msg.additionalData.readByteArray());
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}
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public static OpenContainer decode(PacketBuffer buf)
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{
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return new OpenContainer(buf.readVarInt(), buf.readVarInt(), buf.readTextComponent(), new PacketBuffer(Unpooled.wrappedBuffer(buf.readByteArray(32600))));
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}
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public static void handle(OpenContainer msg, Supplier<NetworkEvent.Context> ctx)
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{
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ctx.get().enqueueWork(() -> {
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ScreenManager.getScreenFactory(msg.getType(), Minecraft.getInstance(), msg.getWindowId(), msg.getName())
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.ifPresent(f -> {
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Container c = msg.getType().create(msg.getWindowId(), Minecraft.getInstance().player.inventory, msg.getAdditionalData());
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@SuppressWarnings("unchecked")
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Screen s = ((ScreenManager.IScreenFactory<Container, ?>)f).create(c, Minecraft.getInstance().player.inventory, msg.getName());
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Minecraft.getInstance().player.openContainer = ((IHasContainer<?>)s).getContainer();
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Minecraft.getInstance().displayGuiScreen(s);
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});
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});
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ctx.get().setPacketHandled(true);
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}
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public final ContainerType<?> getType() {
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return Registry.MENU.getByValue(this.id);
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}
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public int getWindowId() {
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return windowId;
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}
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public ITextComponent getName() {
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return name;
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}
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public PacketBuffer getAdditionalData() {
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return additionalData;
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}
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}
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public static class DimensionInfoMessage
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{
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private ResourceLocation dimName;
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private boolean skylight;
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private int id;
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private ResourceLocation modDimensionName;
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private PacketBuffer extraData;
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DimensionInfoMessage(DimensionType type) {
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id = type.getId() + 1;
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dimName = type.getRegistryName();
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modDimensionName = type.getModType().getRegistryName();
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skylight = type.hasSkyLight();
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extraData = new PacketBuffer(Unpooled.buffer());
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type.getModType().write(extraData, true);
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}
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DimensionInfoMessage(final int dimId, final ResourceLocation dimname, final ResourceLocation modDimensionName, final boolean skylight, final PacketBuffer extraData) {
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id = dimId;
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this.dimName = dimname;
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this.modDimensionName = modDimensionName;
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this.skylight = skylight;
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this.extraData = extraData;
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}
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public static DimensionInfoMessage decode(PacketBuffer buffer) {
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int dimId = buffer.readInt();
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ResourceLocation dimname = buffer.readResourceLocation();
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ResourceLocation moddimname = buffer.readResourceLocation();
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boolean skylight = buffer.readBoolean();
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PacketBuffer pb = new PacketBuffer(Unpooled.wrappedBuffer(buffer.readByteArray()));
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return new DimensionInfoMessage(dimId, dimname, moddimname, skylight, pb);
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}
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public static void encode(DimensionInfoMessage message, PacketBuffer buffer) {
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buffer.writeInt(message.id);
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buffer.writeResourceLocation(message.dimName);
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buffer.writeResourceLocation(message.modDimensionName);
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buffer.writeBoolean(message.skylight);
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buffer.writeByteArray(message.extraData.array());
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}
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private DimensionType makeDummyDimensionType() {
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final ModDimension modDim = ForgeRegistries.MOD_DIMENSIONS.getValue(modDimensionName);
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// default to overworld if no moddim found
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if (modDim == null) return DimensionType.OVERWORLD;
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modDim.read(extraData, true);
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return new DimensionType(id, "dummy", "dummy", modDim.getFactory(), skylight, FuzzedBiomeMagnifier.INSTANCE, modDim, extraData);
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}
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public static boolean handle(final DimensionInfoMessage message, final Supplier<NetworkEvent.Context> contextSupplier) {
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contextSupplier.get().enqueueWork(()-> NetworkHooks.addCachedDimensionType(message.makeDummyDimensionType(), message.dimName));
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return true;
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}
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}
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}
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