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ViaAprilFools/src/main/java/net/raphimc/viaaprilfools/protocols/protocol1_16to20w14infinite/packets/EntityPackets20w14infinite....

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/*
* This file is part of ViaAprilFools - https://github.com/RaphiMC/ViaAprilFools
* Copyright (C) 2023 RK_01/RaphiMC and contributors
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package net.raphimc.viaaprilfools.protocols.protocol1_16to20w14infinite.packets;
import com.viaversion.viaversion.api.Via;
import com.viaversion.viaversion.api.minecraft.entities.Entity1_16Types;
import com.viaversion.viaversion.api.protocol.packet.PacketWrapper;
import com.viaversion.viaversion.api.protocol.remapper.PacketHandler;
import com.viaversion.viaversion.api.protocol.remapper.PacketRemapper;
import com.viaversion.viaversion.api.type.Type;
import com.viaversion.viaversion.api.type.types.version.Types1_14;
import com.viaversion.viaversion.protocols.protocol1_16to1_15_2.ClientboundPackets1_16;
import com.viaversion.viaversion.protocols.protocol1_16to1_15_2.Protocol1_16To1_15_2;
import com.viaversion.viaversion.protocols.protocol1_16to1_15_2.packets.EntityPackets;
import net.raphimc.viaaprilfools.ViaAprilFools;
import net.raphimc.viaaprilfools.protocols.protocol1_16to20w14infinite.ClientboundPackets20w14infinite;
import net.raphimc.viaaprilfools.protocols.protocol1_16to20w14infinite.Protocol1_16to20w14infinite;
import net.raphimc.viaaprilfools.protocols.protocol1_16to20w14infinite.metadata.MetadataRewriter1_16to20w14infinite;
import java.util.UUID;
public class EntityPackets20w14infinite {
private static final PacketHandler DIMENSION_HANDLER = wrapper -> {
int dimension = wrapper.read(Type.INT);
String dimensionType;
String dimensionName;
switch (dimension) {
case -1:
dimensionName = dimensionType = "minecraft:the_nether";
break;
case 0:
dimensionName = dimensionType = "minecraft:overworld";
break;
case 1:
dimensionName = dimensionType = "minecraft:the_end";
break;
default:
dimensionType = "minecraft:overworld";
dimensionName = dimensionType + dimension;
}
wrapper.write(Type.STRING, dimensionType); // dimension type
wrapper.write(Type.STRING, dimensionName); // dimension
};
private static final String[] WORLD_NAMES = {"minecraft:overworld", "minecraft:the_nether", "minecraft:the_end"};
public static void register(Protocol1_16to20w14infinite protocol) {
MetadataRewriter1_16to20w14infinite metadataRewriter = protocol.get(MetadataRewriter1_16to20w14infinite.class);
metadataRewriter.registerTrackerWithData(ClientboundPackets20w14infinite.SPAWN_ENTITY, Entity1_16Types.FALLING_BLOCK);
metadataRewriter.registerTracker(ClientboundPackets20w14infinite.SPAWN_MOB);
metadataRewriter.registerTracker(ClientboundPackets20w14infinite.SPAWN_PLAYER, Entity1_16Types.PLAYER);
metadataRewriter.registerMetadataRewriter(ClientboundPackets20w14infinite.ENTITY_METADATA, Types1_14.METADATA_LIST);
metadataRewriter.registerRemoveEntities(ClientboundPackets20w14infinite.DESTROY_ENTITIES);
// Spawn lightning -> Spawn entity
protocol.registerClientbound(ClientboundPackets20w14infinite.SPAWN_GLOBAL_ENTITY, ClientboundPackets1_16.SPAWN_ENTITY, new PacketRemapper() {
@Override
public void registerMap() {
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper packetWrapper) throws Exception {
int entityId = packetWrapper.passthrough(Type.VAR_INT); // entity id
packetWrapper.user().getEntityTracker(Protocol1_16to20w14infinite.class).addEntity(entityId, Entity1_16Types.LIGHTNING_BOLT);
packetWrapper.write(Type.UUID, UUID.randomUUID()); // uuid
packetWrapper.write(Type.VAR_INT, Entity1_16Types.LIGHTNING_BOLT.getId()); // entity type
packetWrapper.read(Type.BYTE); // remove type
packetWrapper.passthrough(Type.DOUBLE); // x
packetWrapper.passthrough(Type.DOUBLE); // y
packetWrapper.passthrough(Type.DOUBLE); // z
packetWrapper.write(Type.BYTE, (byte) 0); // yaw
packetWrapper.write(Type.BYTE, (byte) 0); // pitch
packetWrapper.write(Type.INT, 0); // data
packetWrapper.write(Type.SHORT, (short) 0); // velocity
packetWrapper.write(Type.SHORT, (short) 0); // velocity
packetWrapper.write(Type.SHORT, (short) 0); // velocity
}
});
}
});
protocol.registerClientbound(ClientboundPackets20w14infinite.RESPAWN, new PacketRemapper() {
@Override
public void registerMap() {
handler(DIMENSION_HANDLER);
map(Type.LONG); // Seed
map(Type.UNSIGNED_BYTE); // Gamemode
handler(wrapper -> {
wrapper.write(Type.BYTE, (byte) -1); // Previous gamemode, set to none
String levelType = wrapper.read(Type.STRING);
wrapper.write(Type.BOOLEAN, false); // debug
wrapper.write(Type.BOOLEAN, levelType.equals("flat"));
wrapper.write(Type.BOOLEAN, true); // keep all playerdata
});
}
});
protocol.registerClientbound(ClientboundPackets20w14infinite.JOIN_GAME, new PacketRemapper() {
@Override
public void registerMap() {
map(Type.INT); // Entity ID
map(Type.UNSIGNED_BYTE); // Gamemode
handler(wrapper -> {
wrapper.write(Type.BYTE, (byte) -1); // Previous gamemode, set to none
wrapper.write(Type.STRING_ARRAY, WORLD_NAMES); // World list - only used for command completion
wrapper.write(Type.NBT, EntityPackets.DIMENSIONS_TAG); // Dimension registry
});
handler(DIMENSION_HANDLER); // Dimension
map(Type.LONG); // Seed
map(Type.UNSIGNED_BYTE); // Max players
handler(wrapper -> {
wrapper.user().getEntityTracker(Protocol1_16to20w14infinite.class).addEntity(wrapper.get(Type.INT, 0), Entity1_16Types.PLAYER);
final String type = wrapper.read(Type.STRING);// level type
wrapper.passthrough(Type.VAR_INT); // View distance
wrapper.passthrough(Type.BOOLEAN); // Reduced debug info
wrapper.passthrough(Type.BOOLEAN); // Show death screen
wrapper.write(Type.BOOLEAN, false); // Debug
wrapper.write(Type.BOOLEAN, type.equals("flat"));
});
}
});
protocol.registerClientbound(ClientboundPackets20w14infinite.ENTITY_PROPERTIES, new PacketRemapper() {
@Override
public void registerMap() {
handler(wrapper -> {
wrapper.passthrough(Type.VAR_INT);
int size = wrapper.passthrough(Type.INT);
int actualSize = size;
for (int i = 0; i < size; i++) {
// Attributes have been renamed and are now namespaced identifiers
String key = wrapper.read(Type.STRING);
String attributeIdentifier = Via.getManager().getProtocolManager().getProtocol(Protocol1_16To1_15_2.class).getMappingData().getAttributeMappings().get(key);
if (attributeIdentifier == null) {
attributeIdentifier = "minecraft:" + key;
if (!com.viaversion.viaversion.protocols.protocol1_13to1_12_2.data.MappingData.isValid1_13Channel(attributeIdentifier)) {
if (!Via.getConfig().isSuppressConversionWarnings()) {
ViaAprilFools.getPlatform().getLogger().warning("Invalid attribute: " + key);
}
actualSize--;
wrapper.read(Type.DOUBLE);
int modifierSize = wrapper.read(Type.VAR_INT);
for (int j = 0; j < modifierSize; j++) {
wrapper.read(Type.UUID);
wrapper.read(Type.DOUBLE);
wrapper.read(Type.BYTE);
}
continue;
}
}
wrapper.write(Type.STRING, attributeIdentifier);
wrapper.passthrough(Type.DOUBLE);
int modifierSize = wrapper.passthrough(Type.VAR_INT);
for (int j = 0; j < modifierSize; j++) {
wrapper.passthrough(Type.UUID);
wrapper.passthrough(Type.DOUBLE);
wrapper.passthrough(Type.BYTE);
}
}
if (size != actualSize) {
wrapper.set(Type.INT, 0, actualSize);
}
});
}
});
}
}
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