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Merge pull request #66 from ForceUpdate1/master

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Implement 1.13, 1.13.1 support for 1.13.2 servers
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Myles 2018-12-04 15:23:31 +00:00 committed by GitHub
commit 4bac50dec2
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10 changed files with 1122 additions and 0 deletions
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4
core/src/main/java/nl/matsv/viabackwards/api/ViaBackwardsPlatform.java
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@ -17,6 +17,8 @@ import nl.matsv.viabackwards.protocol.protocol1_12_1to1_12_2.Protocol1_12_1To1_1
import nl.matsv.viabackwards.protocol.protocol1_12_2to1_13.Protocol1_12_2To1_13;
import nl.matsv.viabackwards.protocol.protocol1_12to1_11_1.Protocol1_11_1To1_12;
import nl.matsv.viabackwards.protocol.protocol1_12to1_12_1.Protocol1_12To1_12_1;
import nl.matsv.viabackwards.protocol.protocol1_13_1to1_13_2.Protocol1_13_1To1_13_2;
import nl.matsv.viabackwards.protocol.protocol1_13to1_13_1.Protocol1_13To1_13_1;
import nl.matsv.viabackwards.protocol.protocol1_9_4to1_10.Protocol1_9_4To1_10;
import us.myles.ViaVersion.api.protocol.ProtocolRegistry;
import us.myles.ViaVersion.api.protocol.ProtocolVersion;
@ -40,6 +42,8 @@ public interface ViaBackwardsPlatform {
ProtocolRegistry.registerProtocol(new Protocol1_12To1_12_1(), Collections.singletonList(ProtocolVersion.v1_12.getId()), ProtocolVersion.v1_12_1.getId());
ProtocolRegistry.registerProtocol(new Protocol1_12_1To1_12_2(), Collections.singletonList(ProtocolVersion.v1_12_1.getId()), ProtocolVersion.v1_12_2.getId());
ProtocolRegistry.registerProtocol(new Protocol1_12_2To1_13(), Collections.singletonList(ProtocolVersion.v1_12_2.getId()), ProtocolVersion.v1_13.getId());
ProtocolRegistry.registerProtocol(new Protocol1_13To1_13_1(), Collections.singletonList(ProtocolVersion.v1_13.getId()), ProtocolVersion.v1_13_1.getId());
ProtocolRegistry.registerProtocol(new Protocol1_13_1To1_13_2(), Collections.singletonList(ProtocolVersion.v1_13_1.getId()), ProtocolVersion.v1_13_2.getId());
}
}

79
core/src/main/java/nl/matsv/viabackwards/protocol/protocol1_13_1to1_13_2/Protocol1_13_1To1_13_2.java Normal file
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@ -0,0 +1,79 @@
package nl.matsv.viabackwards.protocol.protocol1_13_1to1_13_2;
import nl.matsv.viabackwards.api.BackwardsProtocol;
import us.myles.ViaVersion.api.PacketWrapper;
import us.myles.ViaVersion.api.data.UserConnection;
import us.myles.ViaVersion.api.minecraft.item.Item;
import us.myles.ViaVersion.api.remapper.PacketHandler;
import us.myles.ViaVersion.api.remapper.PacketRemapper;
import us.myles.ViaVersion.api.type.Type;
import us.myles.ViaVersion.packets.State;
import nl.matsv.viabackwards.protocol.protocol1_13_1to1_13_2.packets.EntityPackets;
import nl.matsv.viabackwards.protocol.protocol1_13_1to1_13_2.packets.InventoryPackets;
import nl.matsv.viabackwards.protocol.protocol1_13_1to1_13_2.packets.WorldPackets;
public class Protocol1_13_1To1_13_2 extends BackwardsProtocol {
@Override
protected void registerPackets() {
InventoryPackets.register(this);
WorldPackets.register(this);
EntityPackets.register(this);
//Edit Book
registerIncoming(State.PLAY, 0x0B, 0x0B, new PacketRemapper() {
@Override
public void registerMap() {
map(Type.FLAT_ITEM, Type.FLAT_VAR_INT_ITEM);
}
});
// Advancements
registerOutgoing(State.PLAY, 0x51, 0x51, new PacketRemapper() {
@Override
public void registerMap() {
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
wrapper.passthrough(Type.BOOLEAN); // Reset/clear
int size = wrapper.passthrough(Type.VAR_INT); // Mapping size
for (int i = 0; i < size; i++) {
wrapper.passthrough(Type.STRING); // Identifier
// Parent
if (wrapper.passthrough(Type.BOOLEAN))
wrapper.passthrough(Type.STRING);
// Display data
if (wrapper.passthrough(Type.BOOLEAN)) {
wrapper.passthrough(Type.STRING); // Title
wrapper.passthrough(Type.STRING); // Description
Item icon = wrapper.read(Type.FLAT_VAR_INT_ITEM);
wrapper.write(Type.FLAT_ITEM, icon);
wrapper.passthrough(Type.VAR_INT); // Frame type
int flags = wrapper.passthrough(Type.INT); // Flags
if ((flags & 1) != 0)
wrapper.passthrough(Type.STRING); // Background texture
wrapper.passthrough(Type.FLOAT); // X
wrapper.passthrough(Type.FLOAT); // Y
}
wrapper.passthrough(Type.STRING_ARRAY); // Criteria
int arrayLength = wrapper.passthrough(Type.VAR_INT);
for (int array = 0; array < arrayLength; array++) {
wrapper.passthrough(Type.STRING_ARRAY); // String array
}
}
}
});
}
});
}
@Override
public void init(UserConnection userConnection) {
}
}

98
core/src/main/java/nl/matsv/viabackwards/protocol/protocol1_13_1to1_13_2/packets/EntityPackets.java Normal file
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@ -0,0 +1,98 @@
package nl.matsv.viabackwards.protocol.protocol1_13_1to1_13_2.packets;
import us.myles.ViaVersion.api.PacketWrapper;
import us.myles.ViaVersion.api.minecraft.metadata.Metadata;
import us.myles.ViaVersion.api.minecraft.metadata.types.MetaType1_13;
import us.myles.ViaVersion.api.minecraft.metadata.types.MetaType1_13_2;
import us.myles.ViaVersion.api.protocol.Protocol;
import us.myles.ViaVersion.api.remapper.PacketHandler;
import us.myles.ViaVersion.api.remapper.PacketRemapper;
import us.myles.ViaVersion.api.type.Type;
import us.myles.ViaVersion.api.type.types.version.Types1_13;
import us.myles.ViaVersion.api.type.types.version.Types1_13_2;
import us.myles.ViaVersion.packets.State;
public class EntityPackets {
public static void register(Protocol protocol) {
// Spawn mob packet
protocol.registerOutgoing(State.PLAY, 0x3, 0x3, new PacketRemapper() {
@Override
public void registerMap() {
map(Type.VAR_INT); // 0 - Entity ID
map(Type.UUID); // 1 - Entity UUID
map(Type.VAR_INT); // 2 - Entity Type
map(Type.DOUBLE); // 3 - X
map(Type.DOUBLE); // 4 - Y
map(Type.DOUBLE); // 5 - Z
map(Type.BYTE); // 6 - Yaw
map(Type.BYTE); // 7 - Pitch
map(Type.BYTE); // 8 - Head Pitch
map(Type.SHORT); // 9 - Velocity X
map(Type.SHORT); // 10 - Velocity Y
map(Type.SHORT); // 11 - Velocity Z
map(Types1_13_2.METADATA_LIST, Types1_13.METADATA_LIST); // 12 - Metadata
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
for (Metadata metadata : wrapper.get(Types1_13.METADATA_LIST, 0)) {
if (metadata.getMetaType() == MetaType1_13_2.Slot) {
metadata.setMetaType(MetaType1_13.Slot);
}
}
}
});
}
});
// Spawn player packet
protocol.registerOutgoing(State.PLAY, 0x05, 0x05, new PacketRemapper() {
@Override
public void registerMap() {
map(Type.VAR_INT); // 0 - Entity ID
map(Type.UUID); // 1 - Player UUID
map(Type.DOUBLE); // 2 - X
map(Type.DOUBLE); // 3 - Y
map(Type.DOUBLE); // 4 - Z
map(Type.BYTE); // 5 - Yaw
map(Type.BYTE); // 6 - Pitch
map(Types1_13_2.METADATA_LIST, Types1_13.METADATA_LIST); // 7 - Metadata
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
for (Metadata metadata : wrapper.get(Types1_13.METADATA_LIST, 0)) {
if (metadata.getMetaType() == MetaType1_13_2.Slot) {
metadata.setMetaType(MetaType1_13.Slot);
}
}
}
});
}
});
// Metadata packet
protocol.registerOutgoing(State.PLAY, 0x3F, 0x3F, new PacketRemapper() {
@Override
public void registerMap() {
map(Type.VAR_INT); // 0 - Entity ID
map(Types1_13_2.METADATA_LIST, Types1_13.METADATA_LIST); // 1 - Metadata list
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
for (Metadata metadata : wrapper.get(Types1_13.METADATA_LIST, 0)) {
if (metadata.getMetaType() == MetaType1_13_2.Slot) {
metadata.setMetaType(MetaType1_13.Slot);
}
}
}
});
}
});
}
}

151
core/src/main/java/nl/matsv/viabackwards/protocol/protocol1_13_1to1_13_2/packets/InventoryPackets.java Normal file
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@ -0,0 +1,151 @@
package nl.matsv.viabackwards.protocol.protocol1_13_1to1_13_2.packets;
import us.myles.ViaVersion.api.PacketWrapper;
import us.myles.ViaVersion.api.protocol.Protocol;
import us.myles.ViaVersion.api.remapper.PacketHandler;
import us.myles.ViaVersion.api.remapper.PacketRemapper;
import us.myles.ViaVersion.api.type.Type;
import us.myles.ViaVersion.packets.State;
public class InventoryPackets {
public static void register(Protocol protocol) {
/*
Outgoing packets
*/
// Set slot packet
protocol.registerOutgoing(State.PLAY, 0x17, 0x17, new PacketRemapper() {
@Override
public void registerMap() {
map(Type.BYTE); // 0 - Window ID
map(Type.SHORT); // 1 - Slot ID
map(Type.FLAT_VAR_INT_ITEM, Type.FLAT_ITEM); // 2 - Slot Value
}
});
// Window items packet
protocol.registerOutgoing(State.PLAY, 0x15, 0x15, new PacketRemapper() {
@Override
public void registerMap() {
map(Type.UNSIGNED_BYTE); // 0 - Window ID
map(Type.FLAT_VAR_INT_ITEM_ARRAY, Type.FLAT_ITEM_ARRAY); // 1 - Window Values
}
});
// Plugin message
protocol.registerOutgoing(State.PLAY, 0x19, 0x19, new PacketRemapper() {
@Override
public void registerMap() {
map(Type.STRING); // Channel
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
String channel = wrapper.get(Type.STRING, 0);
if (channel.equals("minecraft:trader_list") || channel.equals("trader_list")) {
wrapper.passthrough(Type.INT); // Passthrough Window ID
int size = wrapper.passthrough(Type.UNSIGNED_BYTE);
for (int i = 0; i < size; i++) {
// Input Item
wrapper.write(Type.FLAT_ITEM, wrapper.read(Type.FLAT_VAR_INT_ITEM));
// Output Item
wrapper.write(Type.FLAT_ITEM, wrapper.read(Type.FLAT_VAR_INT_ITEM));
boolean secondItem = wrapper.passthrough(Type.BOOLEAN); // Has second item
if (secondItem) {
wrapper.write(Type.FLAT_ITEM, wrapper.read(Type.FLAT_VAR_INT_ITEM));
}
wrapper.passthrough(Type.BOOLEAN); // Trade disabled
wrapper.passthrough(Type.INT); // Number of tools uses
wrapper.passthrough(Type.INT); // Maximum number of trade uses
}
}
}
});
}
});
// Entity Equipment Packet
protocol.registerOutgoing(State.PLAY, 0x42, 0x42, new PacketRemapper() {
@Override
public void registerMap() {
map(Type.VAR_INT); // 0 - Entity ID
map(Type.VAR_INT); // 1 - Slot ID
map(Type.FLAT_VAR_INT_ITEM, Type.FLAT_ITEM); // 2 - Item
}
});
// // Declare Recipes
protocol.registerOutgoing(State.PLAY, 0x54, 0x54, new PacketRemapper() {
@Override
public void registerMap() {
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
int recipesNo = wrapper.passthrough(Type.VAR_INT);
for (int i = 0; i < recipesNo; i++) {
wrapper.passthrough(Type.STRING); // Id
String type = wrapper.passthrough(Type.STRING);
if (type.equals("crafting_shapeless")) {
wrapper.passthrough(Type.STRING); // Group
int ingredientsNo = wrapper.passthrough(Type.VAR_INT);
for (int i1 = 0; i1 < ingredientsNo; i1++) {
wrapper.write(Type.FLAT_ITEM_ARRAY_VAR_INT, wrapper.read(Type.FLAT_VAR_INT_ITEM_ARRAY_VAR_INT));
}
wrapper.write(Type.FLAT_ITEM, wrapper.read(Type.FLAT_VAR_INT_ITEM));
} else if (type.equals("crafting_shaped")) {
int ingredientsNo = wrapper.passthrough(Type.VAR_INT) * wrapper.passthrough(Type.VAR_INT);
wrapper.passthrough(Type.STRING); // Group
for (int i1 = 0; i1 < ingredientsNo; i1++) {
wrapper.write(Type.FLAT_ITEM_ARRAY_VAR_INT, wrapper.read(Type.FLAT_VAR_INT_ITEM_ARRAY_VAR_INT));
}
wrapper.write(Type.FLAT_ITEM, wrapper.read(Type.FLAT_VAR_INT_ITEM));
} else if (type.equals("smelting")) {
wrapper.passthrough(Type.STRING); // Group
// Ingredient start
wrapper.write(Type.FLAT_ITEM_ARRAY_VAR_INT, wrapper.read(Type.FLAT_VAR_INT_ITEM_ARRAY_VAR_INT));
// Ingredient end
wrapper.write(Type.FLAT_ITEM, wrapper.read(Type.FLAT_VAR_INT_ITEM));
wrapper.passthrough(Type.FLOAT); // EXP
wrapper.passthrough(Type.VAR_INT); // Cooking time
}
}
}
});
}
});
/*
Incoming packets
*/
// Click window packet
protocol.registerIncoming(State.PLAY, 0x08, 0x08, new PacketRemapper() {
@Override
public void registerMap() {
map(Type.UNSIGNED_BYTE); // 0 - Window ID
map(Type.SHORT); // 1 - Slot
map(Type.BYTE); // 2 - Button
map(Type.SHORT); // 3 - Action number
map(Type.VAR_INT); // 4 - Mode
map(Type.FLAT_ITEM, Type.FLAT_VAR_INT_ITEM); // 5 - Clicked Item
}
}
);
// Creative Inventory Action
protocol.registerIncoming(State.PLAY, 0x24, 0x24, new PacketRemapper() {
@Override
public void registerMap() {
map(Type.SHORT); // 0 - Slot
map(Type.FLAT_ITEM, Type.FLAT_VAR_INT_ITEM); // 1 - Clicked Item
}
}
);
}
}

39
core/src/main/java/nl/matsv/viabackwards/protocol/protocol1_13_1to1_13_2/packets/WorldPackets.java Normal file
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@ -0,0 +1,39 @@
package nl.matsv.viabackwards.protocol.protocol1_13_1to1_13_2.packets;
import us.myles.ViaVersion.api.PacketWrapper;
import us.myles.ViaVersion.api.protocol.Protocol;
import us.myles.ViaVersion.api.remapper.PacketHandler;
import us.myles.ViaVersion.api.remapper.PacketRemapper;
import us.myles.ViaVersion.api.type.Type;
import us.myles.ViaVersion.packets.State;
public class WorldPackets {
public static void register(Protocol protocol) {
//spawn particle
protocol.registerOutgoing(State.PLAY, 0x24, 0x24, new PacketRemapper() {
@Override
public void registerMap() {
map(Type.INT); // 0 - Particle ID
map(Type.BOOLEAN); // 1 - Long Distance
map(Type.FLOAT); // 2 - X
map(Type.FLOAT); // 3 - Y
map(Type.FLOAT); // 4 - Z
map(Type.FLOAT); // 5 - Offset X
map(Type.FLOAT); // 6 - Offset Y
map(Type.FLOAT); // 7 - Offset Z
map(Type.FLOAT); // 8 - Particle Data
map(Type.INT); // 9 - Particle Count
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
int id = wrapper.get(Type.INT, 0);
if (id == 27) {
wrapper.write(Type.FLAT_ITEM, wrapper.read(Type.FLAT_VAR_INT_ITEM));
}
}
});
}
});
}
}

48
core/src/main/java/nl/matsv/viabackwards/protocol/protocol1_13to1_13_1/MetadataRewriter.java Normal file
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@ -0,0 +1,48 @@
package nl.matsv.viabackwards.protocol.protocol1_13to1_13_1;
import nl.matsv.viabackwards.protocol.protocol1_13to1_13_1.packets.InventoryPackets;
import us.myles.ViaVersion.api.Via;
import us.myles.ViaVersion.api.data.UserConnection;
import us.myles.ViaVersion.api.entities.Entity1_13Types;
import us.myles.ViaVersion.api.entities.Entity1_13Types.EntityType;
import us.myles.ViaVersion.api.minecraft.item.Item;
import us.myles.ViaVersion.api.minecraft.metadata.Metadata;
import us.myles.ViaVersion.api.minecraft.metadata.types.MetaType1_13;
import java.util.ArrayList;
import java.util.List;
public class MetadataRewriter {
public static void handleMetadata(int entityId, Entity1_13Types.EntityType type, List<Metadata> metadatas, UserConnection connection) {
for (Metadata metadata : new ArrayList<>(metadatas)) {
try {
// 1.13 changed item to flat item (no data)
if (metadata.getMetaType() == MetaType1_13.Slot) {
InventoryPackets.toClient((Item) metadata.getValue());
} else if (metadata.getMetaType() == MetaType1_13.BlockID) {
// Convert to new block id
int data = (int) metadata.getValue();
metadata.setValue(Protocol1_13To1_13_1.getNewBlockStateId(data));
}
if (type == null) continue;
if (type.isOrHasParent(Entity1_13Types.EntityType.MINECART_ABSTRACT) && metadata.getId() == 9) {
// New block format
int data = (int) metadata.getValue();
metadata.setValue(Protocol1_13To1_13_1.getNewBlockStateId(data));
}
if(type.is(EntityType.ITEM)){
}
} catch (Exception e) {
metadatas.remove(metadata);
if (!Via.getConfig().isSuppressMetadataErrors() || Via.getManager().isDebug()) {
Via.getPlatform().getLogger().warning("An error occurred with entity metadata handler");
Via.getPlatform().getLogger().warning("Metadata: " + metadata);
e.printStackTrace();
}
}
}
}
}

220
core/src/main/java/nl/matsv/viabackwards/protocol/protocol1_13to1_13_1/Protocol1_13To1_13_1.java Normal file
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@ -0,0 +1,220 @@
package nl.matsv.viabackwards.protocol.protocol1_13to1_13_1;
import nl.matsv.viabackwards.api.BackwardsProtocol;
import nl.matsv.viabackwards.protocol.protocol1_13to1_13_1.packets.EntityPackets;
import nl.matsv.viabackwards.protocol.protocol1_13to1_13_1.packets.InventoryPackets;
import nl.matsv.viabackwards.protocol.protocol1_13to1_13_1.packets.WorldPackets;
import us.myles.ViaVersion.api.PacketWrapper;
import us.myles.ViaVersion.api.data.UserConnection;
import us.myles.ViaVersion.api.minecraft.item.Item;
import us.myles.ViaVersion.api.remapper.PacketHandler;
import us.myles.ViaVersion.api.remapper.PacketRemapper;
import us.myles.ViaVersion.api.remapper.ValueTransformer;
import us.myles.ViaVersion.api.type.Type;
import us.myles.ViaVersion.packets.State;
import us.myles.ViaVersion.protocols.protocol1_13to1_12_2.storage.EntityTracker;
import us.myles.ViaVersion.protocols.protocol1_9_3to1_9_1_2.storage.ClientWorld;
public class Protocol1_13To1_13_1 extends BackwardsProtocol {
@Override
protected void registerPackets() {
EntityPackets.register(this);
InventoryPackets.register(this);
WorldPackets.register(this);
//Tab complete
registerIncoming(State.PLAY, 0x05, 0x05, new PacketRemapper() {
@Override
public void registerMap() {
map(Type.VAR_INT);
map(Type.STRING, new ValueTransformer<String, String>(Type.STRING) {
@Override
public String transform(PacketWrapper wrapper, String inputValue) {
// 1.13 starts sending slash at start, so we remove it for compatibility
return !inputValue.startsWith("/") ? "/" + inputValue : inputValue;
}
});
}
});
//Edit Book
registerIncoming(State.PLAY, 0x0B, 0x0B, new PacketRemapper() {
@Override
public void registerMap() {
map(Type.FLAT_ITEM);
map(Type.BOOLEAN);
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
wrapper.write(Type.VAR_INT, 0);
}
});
}
});
// Tab complete
registerOutgoing(State.PLAY, 0x10, 0x10, new PacketRemapper() {
@Override
public void registerMap() {
map(Type.VAR_INT); // Transaction id
map(Type.VAR_INT); // Start
map(Type.VAR_INT); // Length
map(Type.VAR_INT); // Count
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
int start = wrapper.get(Type.VAR_INT, 1);
wrapper.set(Type.VAR_INT, 1, start - 1); // Offset by +1 to take into account / at beginning
// Passthrough suggestions
int count = wrapper.get(Type.VAR_INT, 3);
for (int i = 0; i < count; i++) {
wrapper.passthrough(Type.STRING);
boolean hasTooltip = wrapper.passthrough(Type.BOOLEAN);
if (hasTooltip) {
wrapper.passthrough(Type.STRING); // JSON Tooltip
}
}
}
});
}
});
//boss bar
registerOutgoing(State.PLAY, 0x0C, 0x0C, new PacketRemapper() {
@Override
public void registerMap() {
map(Type.UUID);
map(Type.VAR_INT);
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
int action = wrapper.get(Type.VAR_INT, 0);
if (action == 0) {
wrapper.passthrough(Type.STRING);
wrapper.passthrough(Type.FLOAT);
wrapper.passthrough(Type.VAR_INT);
short flags = wrapper.read(Type.UNSIGNED_BYTE);
if ((flags & 0x04) != 0) flags |= 0x02;
wrapper.write(Type.UNSIGNED_BYTE, flags);
}
}
});
}
});
// Advancements
registerOutgoing(State.PLAY, 0x51, 0x51, new PacketRemapper() {
@Override
public void registerMap() {
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
wrapper.passthrough(Type.BOOLEAN); // Reset/clear
int size = wrapper.passthrough(Type.VAR_INT); // Mapping size
for (int i = 0; i < size; i++) {
wrapper.passthrough(Type.STRING); // Identifier
// Parent
if (wrapper.passthrough(Type.BOOLEAN))
wrapper.passthrough(Type.STRING);
// Display data
if (wrapper.passthrough(Type.BOOLEAN)) {
wrapper.passthrough(Type.STRING); // Title
wrapper.passthrough(Type.STRING); // Description
Item icon = wrapper.passthrough(Type.FLAT_ITEM);
InventoryPackets.toClient(icon);
wrapper.passthrough(Type.VAR_INT); // Frame type
int flags = wrapper.passthrough(Type.INT); // Flags
if ((flags & 1) != 0)
wrapper.passthrough(Type.STRING); // Background texture
wrapper.passthrough(Type.FLOAT); // X
wrapper.passthrough(Type.FLOAT); // Y
}
wrapper.passthrough(Type.STRING_ARRAY); // Criteria
int arrayLength = wrapper.passthrough(Type.VAR_INT);
for (int array = 0; array < arrayLength; array++) {
wrapper.passthrough(Type.STRING_ARRAY); // String array
}
}
}
});
}
});
//Tags
registerOutgoing(State.PLAY, 0x55, 0x55, new PacketRemapper() {
@Override
public void registerMap() {
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
int blockTagsSize = wrapper.passthrough(Type.VAR_INT); // block tags
for (int i = 0; i < blockTagsSize; i++) {
wrapper.passthrough(Type.STRING);
Integer[] blocks = wrapper.passthrough(Type.VAR_INT_ARRAY);
for (int j = 0; j < blocks.length; j++) {
blocks[j] = getNewBlockId(blocks[j]);
}
}
int itemTagsSize = wrapper.passthrough(Type.VAR_INT); // item tags
for (int i = 0; i < itemTagsSize; i++) {
wrapper.passthrough(Type.STRING);
Integer[] items = wrapper.passthrough(Type.VAR_INT_ARRAY);
for (int j = 0; j < items.length; j++) {
items[j] = InventoryPackets.getOldItemId(items[j]);
}
}
}
});
}
});
}
public static int getNewBlockStateId(int blockId) {
if (blockId > 8590) {
blockId -= 17;
} else if (blockId > 8573) {
blockId = 0; //TODO replace new blocks
} else if (blockId > 8479) {
blockId -= 16;
} else if (blockId > 8469 && blockId % 2 == 0) {
if (blockId % 2 == 0) {
blockId = 8459 + (blockId - 8470) / 2;
} else {
blockId = 0; //TODO replace new blocks
}
} else if (blockId > 8463) {
blockId = 0; //TODO replace new blocks
} else if (blockId > 1127) {
blockId -= 1;
} else if (blockId == 1127) {
blockId = 1126;
}
return blockId;
}
public static int getNewBlockId(int blockId) {
if (blockId > 565) {
blockId -= 5;
} else if (blockId > 561) {
blockId = 0; //TODO replace new blocks
}
return blockId;
}
@Override
public void init(UserConnection userConnection) {
userConnection.put(new EntityTracker(userConnection));
if (!userConnection.has(ClientWorld.class))
userConnection.put(new ClientWorld(userConnection));
}
}

152
core/src/main/java/nl/matsv/viabackwards/protocol/protocol1_13to1_13_1/packets/EntityPackets.java Normal file
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package nl.matsv.viabackwards.protocol.protocol1_13to1_13_1.packets;
import com.google.common.base.Optional;
import nl.matsv.viabackwards.protocol.protocol1_13to1_13_1.MetadataRewriter;
import nl.matsv.viabackwards.protocol.protocol1_13to1_13_1.Protocol1_13To1_13_1;
import us.myles.ViaVersion.api.PacketWrapper;
import us.myles.ViaVersion.api.entities.Entity1_13Types;
import us.myles.ViaVersion.api.entities.Entity1_13Types.EntityType;
import us.myles.ViaVersion.api.protocol.Protocol;
import us.myles.ViaVersion.api.remapper.PacketHandler;
import us.myles.ViaVersion.api.remapper.PacketRemapper;
import us.myles.ViaVersion.api.type.Type;
import us.myles.ViaVersion.api.type.types.version.Types1_13;
import us.myles.ViaVersion.packets.State;
import us.myles.ViaVersion.protocols.protocol1_13to1_12_2.storage.EntityTracker;
public class EntityPackets {
public static void register(Protocol protocol) {
//spawn entity
protocol.registerOutgoing(State.PLAY, 0x0, 0x0, new PacketRemapper() {
@Override
public void registerMap() {
map(Type.VAR_INT); // 0 - Entity id
map(Type.UUID); // 1 - UUID
map(Type.BYTE); // 2 - Type
map(Type.DOUBLE); // 3 - X
map(Type.DOUBLE); // 4 - Y
map(Type.DOUBLE); // 5 - Z
map(Type.BYTE); // 6 - Pitch
map(Type.BYTE); // 7 - Yaw
map(Type.INT); // 8 - Data
// Track Entity
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
int entityId = wrapper.get(Type.VAR_INT, 0);
byte type = wrapper.get(Type.BYTE, 0);
Entity1_13Types.EntityType entType = Entity1_13Types.getTypeFromId(type, true);
if (entType != null) {
if (entType.is(Entity1_13Types.EntityType.FALLING_BLOCK)) {
int data = wrapper.get(Type.INT, 0);
wrapper.set(Type.INT, 0, Protocol1_13To1_13_1.getNewBlockStateId(data));
}
}
// Register Type ID
wrapper.user().get(EntityTracker.class).addEntity(entityId, entType);
}
});
}
});
// Spawn mob packet
protocol.registerOutgoing(State.PLAY, 0x3, 0x3, new PacketRemapper() {
@Override
public void registerMap() {
map(Type.VAR_INT); // 0 - Entity ID
map(Type.UUID); // 1 - Entity UUID
map(Type.VAR_INT); // 2 - Entity Type
map(Type.DOUBLE); // 3 - X
map(Type.DOUBLE); // 4 - Y
map(Type.DOUBLE); // 5 - Z
map(Type.BYTE); // 6 - Yaw
map(Type.BYTE); // 7 - Pitch
map(Type.BYTE); // 8 - Head Pitch
map(Type.SHORT); // 9 - Velocity X
map(Type.SHORT); // 10 - Velocity Y
map(Type.SHORT); // 11 - Velocity Z
map(Types1_13.METADATA_LIST); // 12 - Metadata
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
int entityId = wrapper.get(Type.VAR_INT, 0);
int type = wrapper.get(Type.VAR_INT, 1);
Entity1_13Types.EntityType entType = Entity1_13Types.getTypeFromId(type, false);
// Register Type ID
wrapper.user().get(EntityTracker.class).addEntity(entityId, entType);
MetadataRewriter.handleMetadata(entityId, entType, wrapper.get(Types1_13.METADATA_LIST, 0), wrapper.user());
}
});
}
});
// Spawn player packet
protocol.registerOutgoing(State.PLAY, 0x05, 0x05, new PacketRemapper() {
@Override
public void registerMap() {
map(Type.VAR_INT); // 0 - Entity ID
map(Type.UUID); // 1 - Player UUID
map(Type.DOUBLE); // 2 - X
map(Type.DOUBLE); // 3 - Y
map(Type.DOUBLE); // 4 - Z
map(Type.BYTE); // 5 - Yaw
map(Type.BYTE); // 6 - Pitch
map(Types1_13.METADATA_LIST); // 7 - Metadata
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
int entityId = wrapper.get(Type.VAR_INT, 0);
Entity1_13Types.EntityType entType = Entity1_13Types.EntityType.PLAYER;
// Register Type ID
wrapper.user().get(EntityTracker.class).addEntity(entityId, entType);
MetadataRewriter.handleMetadata(entityId, entType, wrapper.get(Types1_13.METADATA_LIST, 0), wrapper.user());
}
});
}
});
// Destroy entities
protocol.registerOutgoing(State.PLAY, 0x35, 0x35, new PacketRemapper() {
@Override
public void registerMap() {
map(Type.VAR_INT_ARRAY); // 0 - Entity IDS
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
for (int entity : wrapper.get(Type.VAR_INT_ARRAY, 0))
wrapper.user().get(EntityTracker.class).removeEntity(entity);
}
});
}
});
// Metadata packet
protocol.registerOutgoing(State.PLAY, 0x3F, 0x3F, new PacketRemapper() {
@Override
public void registerMap() {
map(Type.VAR_INT); // 0 - Entity ID
map(Types1_13.METADATA_LIST); // 1 - Metadata list
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
int entityId = wrapper.get(Type.VAR_INT, 0);
Optional<EntityType> type = wrapper.user().get(EntityTracker.class).get(entityId);
MetadataRewriter.handleMetadata(entityId, type.orNull(), wrapper.get(Types1_13.METADATA_LIST, 0), wrapper.user());
}
});
}
});
}
}

144
core/src/main/java/nl/matsv/viabackwards/protocol/protocol1_13to1_13_1/packets/InventoryPackets.java Normal file
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package nl.matsv.viabackwards.protocol.protocol1_13to1_13_1.packets;
import us.myles.ViaVersion.api.PacketWrapper;
import us.myles.ViaVersion.api.minecraft.item.Item;
import us.myles.ViaVersion.api.protocol.Protocol;
import us.myles.ViaVersion.api.remapper.PacketHandler;
import us.myles.ViaVersion.api.remapper.PacketRemapper;
import us.myles.ViaVersion.api.type.Type;
import us.myles.ViaVersion.packets.State;
public class InventoryPackets {
public static void register(Protocol protocol) {
/*
Outgoing packets
*/
// Set slot packet
protocol.registerOutgoing(State.PLAY, 0x17, 0x17, new PacketRemapper() {
@Override
public void registerMap() {
map(Type.BYTE); // 0 - Window ID
map(Type.SHORT); // 1 - Slot ID
map(Type.FLAT_ITEM, Type.FLAT_ITEM); // 2 - Slot Value
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
Item stack = wrapper.get(Type.FLAT_ITEM, 0);
toClient(stack);
}
});
}
});
// Window items packet
protocol.registerOutgoing(State.PLAY, 0x15, 0x15, new PacketRemapper() {
@Override
public void registerMap() {
map(Type.UNSIGNED_BYTE); // 0 - Window ID
map(Type.FLAT_ITEM_ARRAY, Type.FLAT_ITEM_ARRAY); // 1 - Window Values
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
Item[] stacks = wrapper.get(Type.FLAT_ITEM_ARRAY, 0);
for (Item stack : stacks)
toClient(stack);
}
});
}
});
// Entity Equipment Packet
protocol.registerOutgoing(State.PLAY, 0x42, 0x42, new PacketRemapper() {
@Override
public void registerMap() {
map(Type.VAR_INT); // 0 - Entity ID
map(Type.VAR_INT); // 1 - Slot ID
map(Type.FLAT_ITEM, Type.FLAT_ITEM); // 2 - Item
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
Item stack = wrapper.get(Type.FLAT_ITEM, 0);
toClient(stack);
}
});
}
});
/*
Incoming packets
*/
// Click window packet
protocol.registerIncoming(State.PLAY, 0x08, 0x08, new PacketRemapper() {
@Override
public void registerMap() {
map(Type.UNSIGNED_BYTE); // 0 - Window ID
map(Type.SHORT); // 1 - Slot
map(Type.BYTE); // 2 - Button
map(Type.SHORT); // 3 - Action number
map(Type.VAR_INT); // 4 - Mode
map(Type.FLAT_ITEM, Type.FLAT_ITEM); // 5 - Clicked Item
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
Item item = wrapper.get(Type.FLAT_ITEM, 0);
toServer(item);
}
});
}
}
);
// Creative Inventory Action
protocol.registerIncoming(State.PLAY, 0x24, 0x24, new PacketRemapper() {
@Override
public void registerMap() {
map(Type.SHORT); // 0 - Slot
map(Type.FLAT_ITEM, Type.FLAT_ITEM); // 1 - Clicked Item
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
Item item = wrapper.get(Type.FLAT_ITEM, 0);
toServer(item);
}
});
}
}
);
}
public static void toClient(Item item) {
if (item == null) return;
item.setId((short) getOldItemId(item.getId()));
}
//1.13.1 Item Id
public static int getNewItemId(int itemId) {
if (itemId >= 443) {
return itemId + 5;
}
return itemId;
}
public static void toServer(Item item) {
if (item == null) return;
item.setId((short) getNewItemId(item.getId()));
}
//1.13 Item Id
public static int getOldItemId(int newId) {
if (newId >= 448) {
return newId - 5;
}
return newId;
}
}

187
core/src/main/java/nl/matsv/viabackwards/protocol/protocol1_13to1_13_1/packets/WorldPackets.java Normal file
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package nl.matsv.viabackwards.protocol.protocol1_13to1_13_1.packets;
import nl.matsv.viabackwards.protocol.protocol1_13to1_13_1.Protocol1_13To1_13_1;
import us.myles.ViaVersion.api.PacketWrapper;
import us.myles.ViaVersion.api.minecraft.BlockChangeRecord;
import us.myles.ViaVersion.api.minecraft.chunks.Chunk;
import us.myles.ViaVersion.api.minecraft.chunks.ChunkSection;
import us.myles.ViaVersion.api.protocol.Protocol;
import us.myles.ViaVersion.api.remapper.PacketHandler;
import us.myles.ViaVersion.api.remapper.PacketRemapper;
import us.myles.ViaVersion.api.type.Type;
import us.myles.ViaVersion.packets.State;
import us.myles.ViaVersion.protocols.protocol1_13to1_12_2.types.Chunk1_13Type;
import us.myles.ViaVersion.protocols.protocol1_9_3to1_9_1_2.storage.ClientWorld;
public class WorldPackets {
public static void register(Protocol protocol) {
//Chunk
protocol.registerOutgoing(State.PLAY, 0x22, 0x22, new PacketRemapper() {
@Override
public void registerMap() {
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
ClientWorld clientWorld = wrapper.user().get(ClientWorld.class);
Chunk chunk = wrapper.passthrough(new Chunk1_13Type(clientWorld));
for (ChunkSection section : chunk.getSections()) {
if (section != null) {
for (int i = 0; i < section.getPalette().size(); i++) {
section.getPalette().set(
i,
Protocol1_13To1_13_1.getNewBlockStateId(section.getPalette().get(i))
);
}
}
}
}
});
}
});
// Block Action
protocol.registerOutgoing(State.PLAY, 0x0A, 0x0A, new PacketRemapper() {
@Override
public void registerMap() {
map(Type.POSITION); // Location
map(Type.UNSIGNED_BYTE); // Action id
map(Type.UNSIGNED_BYTE); // Action param
map(Type.VAR_INT); // Block id - /!\ NOT BLOCK STATE
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
wrapper.set(Type.VAR_INT, 0, Protocol1_13To1_13_1.getNewBlockId(wrapper.get(Type.VAR_INT, 0)));
}
});
}
});
// Block Change
protocol.registerOutgoing(State.PLAY, 0xB, 0xB, new PacketRemapper() {
@Override
public void registerMap() {
map(Type.POSITION);
map(Type.VAR_INT);
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
int id = wrapper.get(Type.VAR_INT, 0);
wrapper.set(Type.VAR_INT, 0, Protocol1_13To1_13_1.getNewBlockStateId(id));
}
});
}
});
// Multi Block Change
protocol.registerOutgoing(State.PLAY, 0xF, 0xF, new PacketRemapper() {
@Override
public void registerMap() {
map(Type.INT); // 0 - Chunk X
map(Type.INT); // 1 - Chunk Z
map(Type.BLOCK_CHANGE_RECORD_ARRAY); // 2 - Records
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
// Convert ids
for (BlockChangeRecord record : wrapper.get(Type.BLOCK_CHANGE_RECORD_ARRAY, 0)) {
int id = record.getBlockId();
record.setBlockId(Protocol1_13To1_13_1.getNewBlockStateId(id));
}
}
});
}
});
// Effect packet
protocol.registerOutgoing(State.PLAY, 0x23, 0x23, new PacketRemapper() {
@Override
public void registerMap() {
map(Type.INT); // Effect Id
map(Type.POSITION); // Location
map(Type.INT); // Data
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
int id = wrapper.get(Type.INT, 0);
int data = wrapper.get(Type.INT, 1);
if (id == 1010) { // Play record
wrapper.set(Type.INT, 1, data = InventoryPackets.getNewItemId(data));
} else if (id == 2001) { // Block break + block break sound
wrapper.set(Type.INT, 1, data = Protocol1_13To1_13_1.getNewBlockStateId(data));
}
}
});
}
});
//join game
protocol.registerOutgoing(State.PLAY, 0x25, 0x25, new PacketRemapper() {
@Override
public void registerMap() {
map(Type.INT); // 0 - Entity ID
map(Type.UNSIGNED_BYTE); // 1 - Gamemode
map(Type.INT); // 2 - Dimension
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
// Store the player
ClientWorld clientChunks = wrapper.user().get(ClientWorld.class);
int dimensionId = wrapper.get(Type.INT, 1);
clientChunks.setEnvironment(dimensionId);
}
});
}
});
//respawn
protocol.registerOutgoing(State.PLAY, 0x38, 0x38, new PacketRemapper() {
@Override
public void registerMap() {
map(Type.INT); // 0 - Dimension ID
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
ClientWorld clientWorld = wrapper.user().get(ClientWorld.class);
int dimensionId = wrapper.get(Type.INT, 0);
clientWorld.setEnvironment(dimensionId);
}
});
}
});
//spawn particle
protocol.registerOutgoing(State.PLAY, 0x24, 0x24, new PacketRemapper() {
@Override
public void registerMap() {
map(Type.INT); // 0 - Particle ID
map(Type.BOOLEAN); // 1 - Long Distance
map(Type.FLOAT); // 2 - X
map(Type.FLOAT); // 3 - Y
map(Type.FLOAT); // 4 - Z
map(Type.FLOAT); // 5 - Offset X
map(Type.FLOAT); // 6 - Offset Y
map(Type.FLOAT); // 7 - Offset Z
map(Type.FLOAT); // 8 - Particle Data
map(Type.INT); // 9 - Particle Count
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
int id = wrapper.get(Type.INT, 0);
if(id == 3 || id == 20){
int data = wrapper.passthrough(Type.VAR_INT);
wrapper.set(Type.VAR_INT, 0, Protocol1_13To1_13_1.getNewBlockStateId(data));
} else if (id == 27) {
InventoryPackets.toClient(wrapper.passthrough(Type.FLAT_ITEM));
}
}
});
}
});
}
}