Examples with Item com.viaversion.viaversion.api.minecraft.item.Item used on opensource projects

Example 11 with Item

use of com.viaversion.viaversion.api.minecraft.item.Item in project ViaVersion by ViaVersion.

the class MetadataRewriter1_14To1_13_2 method handleMetadata.

@Override
protected void handleMetadata(int entityId, EntityType type, Metadata metadata, List<Metadata> metadatas, UserConnection connection) throws Exception {
    metadata.setMetaType(Types1_14.META_TYPES.byId(metadata.metaType().typeId()));
    EntityTracker1_14 tracker = tracker(connection);
    if (metadata.metaType() == Types1_14.META_TYPES.itemType) {
        protocol.getItemRewriter().handleItemToClient((Item) metadata.getValue());
    } else if (metadata.metaType() == Types1_14.META_TYPES.blockStateType) {
        // Convert to new block id
        int data = (int) metadata.getValue();
        metadata.setValue(protocol.getMappingData().getNewBlockStateId(data));
    } else if (metadata.metaType() == Types1_14.META_TYPES.particleType) {
        rewriteParticle((Particle) metadata.getValue());
    }
    if (type == null)
        return;
    // Metadata 6 added to abstract_entity
    if (metadata.id() > 5) {
        metadata.setId(metadata.id() + 1);
    }
    if (metadata.id() == 8 && type.isOrHasParent(Entity1_14Types.LIVINGENTITY)) {
        final float v = ((Number) metadata.getValue()).floatValue();
        if (Float.isNaN(v) && Via.getConfig().is1_14HealthNaNFix()) {
            metadata.setValue(1F);
        }
    }
    // Metadata 12 added to living_entity
    if (metadata.id() > 11 && type.isOrHasParent(Entity1_14Types.LIVINGENTITY)) {
        metadata.setId(metadata.id() + 1);
    }
    if (type.isOrHasParent(Entity1_14Types.ABSTRACT_INSENTIENT)) {
        if (metadata.id() == 13) {
            tracker.setInsentientData(entityId, (byte) ((((Number) metadata.getValue()).byteValue() & ~0x4) | // New attacking metadata
            (tracker.getInsentientData(entityId) & 0x4)));
            metadata.setValue(tracker.getInsentientData(entityId));
        }
    }
    if (type.isOrHasParent(Entity1_14Types.PLAYER)) {
        if (entityId != tracker.clientEntityId()) {
            if (metadata.id() == 0) {
                byte flags = ((Number) metadata.getValue()).byteValue();
                // Mojang overrides the client-side pose updater, see OtherPlayerEntity#updateSize
                tracker.setEntityFlags(entityId, flags);
            } else if (metadata.id() == 7) {
                tracker.setRiptide(entityId, (((Number) metadata.getValue()).byteValue() & 0x4) != 0);
            }
            if (metadata.id() == 0 || metadata.id() == 7) {
                metadatas.add(new Metadata(6, Types1_14.META_TYPES.poseType, recalculatePlayerPose(entityId, tracker)));
            }
        }
    } else if (type.isOrHasParent(Entity1_14Types.ZOMBIE)) {
        if (metadata.id() == 16) {
            tracker.setInsentientData(entityId, (byte) ((tracker.getInsentientData(entityId) & ~0x4) | // New attacking
            ((boolean) metadata.getValue() ? 0x4 : 0)));
            // "Are hands held up"
            metadatas.remove(metadata);
            metadatas.add(new Metadata(13, Types1_14.META_TYPES.byteType, tracker.getInsentientData(entityId)));
        } else if (metadata.id() > 16) {
            metadata.setId(metadata.id() - 1);
        }
    }
    if (type.isOrHasParent(Entity1_14Types.MINECART_ABSTRACT)) {
        if (metadata.id() == 10) {
            // New block format
            int data = (int) metadata.getValue();
            metadata.setValue(protocol.getMappingData().getNewBlockStateId(data));
        }
    } else if (type.is(Entity1_14Types.HORSE)) {
        if (metadata.id() == 18) {
            metadatas.remove(metadata);
            int armorType = (int) metadata.getValue();
            Item armorItem = null;
            if (armorType == 1) {
                // iron armor
                armorItem = new DataItem(protocol.getMappingData().getNewItemId(727), (byte) 1, (short) 0, null);
            } else if (armorType == 2) {
                // gold armor
                armorItem = new DataItem(protocol.getMappingData().getNewItemId(728), (byte) 1, (short) 0, null);
            } else if (armorType == 3) {
                // diamond armor
                armorItem = new DataItem(protocol.getMappingData().getNewItemId(729), (byte) 1, (short) 0, null);
            }
            PacketWrapper equipmentPacket = PacketWrapper.create(ClientboundPackets1_14.ENTITY_EQUIPMENT, null, connection);
            equipmentPacket.write(Type.VAR_INT, entityId);
            equipmentPacket.write(Type.VAR_INT, 4);
            equipmentPacket.write(Type.FLAT_VAR_INT_ITEM, armorItem);
            equipmentPacket.scheduleSend(Protocol1_14To1_13_2.class);
        }
    } else if (type.is(Entity1_14Types.VILLAGER)) {
        if (metadata.id() == 15) {
            // plains
            metadata.setTypeAndValue(Types1_14.META_TYPES.villagerDatatType, new VillagerData(2, getNewProfessionId((int) metadata.getValue()), 0));
        }
    } else if (type.is(Entity1_14Types.ZOMBIE_VILLAGER)) {
        if (metadata.id() == 18) {
            // plains
            metadata.setTypeAndValue(Types1_14.META_TYPES.villagerDatatType, new VillagerData(2, getNewProfessionId((int) metadata.getValue()), 0));
        }
    } else if (type.isOrHasParent(Entity1_14Types.ABSTRACT_ARROW)) {
        if (metadata.id() >= 9) {
            // New piercing
            metadata.setId(metadata.id() + 1);
        }
    } else if (type.is(Entity1_14Types.FIREWORK_ROCKET)) {
        if (metadata.id() == 8) {
            metadata.setMetaType(Types1_14.META_TYPES.optionalVarIntType);
            if (metadata.getValue().equals(0)) {
                // https://bugs.mojang.com/browse/MC-111480
                metadata.setValue(null);
            }
        }
    } else if (type.isOrHasParent(Entity1_14Types.ABSTRACT_SKELETON)) {
        if (metadata.id() == 14) {
            tracker.setInsentientData(entityId, (byte) ((tracker.getInsentientData(entityId) & ~0x4) | // New attacking
            ((boolean) metadata.getValue() ? 0x4 : 0)));
            // "Is swinging arms"
            metadatas.remove(metadata);
            metadatas.add(new Metadata(13, Types1_14.META_TYPES.byteType, tracker.getInsentientData(entityId)));
        }
    }
    if (type.isOrHasParent(Entity1_14Types.ABSTRACT_ILLAGER_BASE)) {
        if (metadata.id() == 14) {
            tracker.setInsentientData(entityId, (byte) ((tracker.getInsentientData(entityId) & ~0x4) | // New attacking
            (((Number) metadata.getValue()).byteValue() != 0 ? 0x4 : 0)));
            // "Has target (aggressive state)"
            metadatas.remove(metadata);
            metadatas.add(new Metadata(13, Types1_14.META_TYPES.byteType, tracker.getInsentientData(entityId)));
        }
    }
    if (type.is(Entity1_14Types.WITCH) || type.is(Entity1_14Types.RAVAGER) || type.isOrHasParent(Entity1_14Types.ABSTRACT_ILLAGER_BASE)) {
        if (metadata.id() >= 14) {
            // 19w13 added a new boolean (raid participant - is celebrating) with id 14
            metadata.setId(metadata.id() + 1);
        }
    }
}

Example 12 with Item

use of com.viaversion.viaversion.api.minecraft.item.Item in project ViaVersion by ViaVersion.

the class InventoryPackets method registerPackets.

@Override
public void registerPackets() {
    registerSetCooldown(ClientboundPackets1_13.COOLDOWN);
    registerAdvancements(ClientboundPackets1_13.ADVANCEMENTS, Type.FLAT_VAR_INT_ITEM);
    protocol.registerClientbound(ClientboundPackets1_13.OPEN_WINDOW, null, new PacketRemapper() {

        @Override
        public void registerMap() {
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    Short windowId = wrapper.read(Type.UNSIGNED_BYTE);
                    String type = wrapper.read(Type.STRING);
                    JsonElement title = wrapper.read(Type.COMPONENT);
                    COMPONENT_REWRITER.processText(title);
                    Short slots = wrapper.read(Type.UNSIGNED_BYTE);
                    if (type.equals("EntityHorse")) {
                        wrapper.setId(0x1F);
                        int entityId = wrapper.read(Type.INT);
                        wrapper.write(Type.UNSIGNED_BYTE, windowId);
                        wrapper.write(Type.VAR_INT, slots.intValue());
                        wrapper.write(Type.INT, entityId);
                    } else {
                        wrapper.setId(0x2E);
                        wrapper.write(Type.VAR_INT, windowId.intValue());
                        int typeId = -1;
                        switch(type) {
                            case "minecraft:crafting_table":
                                typeId = 11;
                                break;
                            case "minecraft:furnace":
                                typeId = 13;
                                break;
                            case "minecraft:dropper":
                            case "minecraft:dispenser":
                                typeId = 6;
                                break;
                            case "minecraft:enchanting_table":
                                typeId = 12;
                                break;
                            case "minecraft:brewing_stand":
                                typeId = 10;
                                break;
                            case "minecraft:villager":
                                typeId = 18;
                                break;
                            case "minecraft:beacon":
                                typeId = 8;
                                break;
                            case "minecraft:anvil":
                                typeId = 7;
                                break;
                            case "minecraft:hopper":
                                typeId = 15;
                                break;
                            case "minecraft:shulker_box":
                                typeId = 19;
                                break;
                            case "minecraft:container":
                            case "minecraft:chest":
                            default:
                                if (slots > 0 && slots <= 54) {
                                    typeId = slots / 9 - 1;
                                }
                                break;
                        }
                        if (typeId == -1) {
                            Via.getPlatform().getLogger().warning("Can't open inventory for 1.14 player! Type: " + type + " Size: " + slots);
                        }
                        wrapper.write(Type.VAR_INT, typeId);
                        wrapper.write(Type.COMPONENT, title);
                    }
                }
            });
        }
    });
    registerWindowItems(ClientboundPackets1_13.WINDOW_ITEMS, Type.FLAT_VAR_INT_ITEM_ARRAY);
    registerSetSlot(ClientboundPackets1_13.SET_SLOT, Type.FLAT_VAR_INT_ITEM);
    protocol.registerClientbound(ClientboundPackets1_13.PLUGIN_MESSAGE, new PacketRemapper() {

        @Override
        public void registerMap() {
            // Channel
            map(Type.STRING);
            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.setId(0x27);
                        wrapper.resetReader();
                        // Remove channel
                        wrapper.read(Type.STRING);
                        int windowId = wrapper.read(Type.INT);
                        EntityTracker1_14 tracker = wrapper.user().getEntityTracker(Protocol1_14To1_13_2.class);
                        tracker.setLatestTradeWindowId(windowId);
                        wrapper.write(Type.VAR_INT, windowId);
                        int size = wrapper.passthrough(Type.UNSIGNED_BYTE);
                        for (int i = 0; i < size; i++) {
                            // Input Item
                            handleItemToClient(wrapper.passthrough(Type.FLAT_VAR_INT_ITEM));
                            // Output Item
                            handleItemToClient(wrapper.passthrough(Type.FLAT_VAR_INT_ITEM));
                            // Has second item
                            boolean secondItem = wrapper.passthrough(Type.BOOLEAN);
                            if (secondItem) {
                                // Second Item
                                handleItemToClient(wrapper.passthrough(Type.FLAT_VAR_INT_ITEM));
                            }
                            // Trade disabled
                            wrapper.passthrough(Type.BOOLEAN);
                            // Number of tools uses
                            wrapper.passthrough(Type.INT);
                            // Maximum number of trade uses
                            wrapper.passthrough(Type.INT);
                            wrapper.write(Type.INT, 0);
                            wrapper.write(Type.INT, 0);
                            wrapper.write(Type.FLOAT, 0f);
                        }
                        wrapper.write(Type.VAR_INT, 0);
                        wrapper.write(Type.VAR_INT, 0);
                        wrapper.write(Type.BOOLEAN, false);
                    } else if (channel.equals("minecraft:book_open") || channel.equals("book_open")) {
                        int hand = wrapper.read(Type.VAR_INT);
                        wrapper.clearPacket();
                        wrapper.setId(0x2D);
                        wrapper.write(Type.VAR_INT, hand);
                    }
                }
            });
        }
    });
    registerEntityEquipment(ClientboundPackets1_13.ENTITY_EQUIPMENT, Type.FLAT_VAR_INT_ITEM);
    RecipeRewriter recipeRewriter = new RecipeRewriter1_13_2(protocol);
    protocol.registerClientbound(ClientboundPackets1_13.DECLARE_RECIPES, new PacketRemapper() {

        @Override
        public void registerMap() {
            handler(wrapper -> {
                int size = wrapper.passthrough(Type.VAR_INT);
                int deleted = 0;
                for (int i = 0; i < size; i++) {
                    // Recipe Identifier
                    String id = wrapper.read(Type.STRING);
                    String type = wrapper.read(Type.STRING);
                    if (REMOVED_RECIPE_TYPES.contains(type)) {
                        deleted++;
                        continue;
                    }
                    wrapper.write(Type.STRING, type);
                    wrapper.write(Type.STRING, id);
                    recipeRewriter.handle(wrapper, type);
                }
                wrapper.set(Type.VAR_INT, 0, size - deleted);
            });
        }
    });
    registerClickWindow(ServerboundPackets1_14.CLICK_WINDOW, Type.FLAT_VAR_INT_ITEM);
    protocol.registerServerbound(ServerboundPackets1_14.SELECT_TRADE, new PacketRemapper() {

        @Override
        public void registerMap() {
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    // Selecting trade now moves the items, we need to resync the inventory
                    PacketWrapper resyncPacket = wrapper.create(0x08);
                    EntityTracker1_14 tracker = wrapper.user().getEntityTracker(Protocol1_14To1_13_2.class);
                    // 0 - Window ID
                    resyncPacket.write(Type.UNSIGNED_BYTE, ((short) tracker.getLatestTradeWindowId()));
                    // 1 - Slot
                    resyncPacket.write(Type.SHORT, ((short) -999));
                    // 2 - Button - End left click
                    resyncPacket.write(Type.BYTE, (byte) 2);
                    // 3 - Action number
                    resyncPacket.write(Type.SHORT, ((short) ThreadLocalRandom.current().nextInt()));
                    // 4 - Mode - Drag
                    resyncPacket.write(Type.VAR_INT, 5);
                    CompoundTag tag = new CompoundTag();
                    // Tags with NaN are not equal
                    tag.put("force_resync", new DoubleTag(Double.NaN));
                    // 5 - Clicked Item
                    resyncPacket.write(Type.FLAT_VAR_INT_ITEM, new DataItem(1, (byte) 1, (short) 0, tag));
                    resyncPacket.scheduleSendToServer(Protocol1_14To1_13_2.class);
                }
            });
        }
    });
    registerCreativeInvAction(ServerboundPackets1_14.CREATIVE_INVENTORY_ACTION, Type.FLAT_VAR_INT_ITEM);
    registerSpawnParticle(ClientboundPackets1_13.SPAWN_PARTICLE, Type.FLAT_VAR_INT_ITEM, Type.FLOAT);
}

Example 13 with Item

use of com.viaversion.viaversion.api.minecraft.item.Item in project ViaVersion by ViaVersion.

the class PlayerPackets method register.

public static void register(Protocol protocol) {
    protocol.registerClientbound(ClientboundPackets1_13.OPEN_SIGN_EDITOR, new PacketRemapper() {

        @Override
        public void registerMap() {
            map(Type.POSITION, Type.POSITION1_14);
        }
    });
    protocol.registerServerbound(ServerboundPackets1_14.QUERY_BLOCK_NBT, new PacketRemapper() {

        @Override
        public void registerMap() {
            map(Type.VAR_INT);
            map(Type.POSITION1_14, Type.POSITION);
        }
    });
    protocol.registerServerbound(ServerboundPackets1_14.EDIT_BOOK, new PacketRemapper() {

        @Override
        public void registerMap() {
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    Item item = wrapper.passthrough(Type.FLAT_VAR_INT_ITEM);
                    protocol.getItemRewriter().handleItemToServer(item);
                    if (item == null)
                        return;
                    CompoundTag tag = item.tag();
                    if (tag == null)
                        return;
                    Tag pages = tag.get("pages");
                    // Fix for https://github.com/ViaVersion/ViaVersion/issues/2660
                    if (pages == null) {
                        tag.put("pages", new ListTag(Collections.singletonList(new StringTag())));
                    }
                    // Client limit when editing a book was upped from 50 to 100 in 1.14, but some anti-exploit plugins ban with a size higher than the old client limit
                    if (Via.getConfig().isTruncate1_14Books() && pages instanceof ListTag) {
                        ListTag listTag = (ListTag) pages;
                        if (listTag.size() > 50) {
                            listTag.setValue(listTag.getValue().subList(0, 50));
                        }
                    }
                }
            });
        }
    });
    protocol.registerServerbound(ServerboundPackets1_14.PLAYER_DIGGING, new PacketRemapper() {

        @Override
        public void registerMap() {
            // Action
            map(Type.VAR_INT);
            // Position
            map(Type.POSITION1_14, Type.POSITION);
        }
    });
    protocol.registerServerbound(ServerboundPackets1_14.RECIPE_BOOK_DATA, new PacketRemapper() {

        @Override
        public void registerMap() {
            map(Type.VAR_INT);
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    int type = wrapper.get(Type.VAR_INT, 0);
                    if (type == 0) {
                        wrapper.passthrough(Type.STRING);
                    } else if (type == 1) {
                        // Crafting Recipe Book Open
                        wrapper.passthrough(Type.BOOLEAN);
                        // Crafting Recipe Filter Active
                        wrapper.passthrough(Type.BOOLEAN);
                        // Smelting Recipe Book Open
                        wrapper.passthrough(Type.BOOLEAN);
                        // Smelting Recipe Filter Active
                        wrapper.passthrough(Type.BOOLEAN);
                        // Unknown new booleans
                        wrapper.read(Type.BOOLEAN);
                        wrapper.read(Type.BOOLEAN);
                        wrapper.read(Type.BOOLEAN);
                        wrapper.read(Type.BOOLEAN);
                    }
                }
            });
        }
    });
    protocol.registerServerbound(ServerboundPackets1_14.UPDATE_COMMAND_BLOCK, new PacketRemapper() {

        @Override
        public void registerMap() {
            map(Type.POSITION1_14, Type.POSITION);
        }
    });
    protocol.registerServerbound(ServerboundPackets1_14.UPDATE_STRUCTURE_BLOCK, new PacketRemapper() {

        @Override
        public void registerMap() {
            map(Type.POSITION1_14, Type.POSITION);
        }
    });
    protocol.registerServerbound(ServerboundPackets1_14.UPDATE_SIGN, new PacketRemapper() {

        @Override
        public void registerMap() {
            map(Type.POSITION1_14, Type.POSITION);
        }
    });
    protocol.registerServerbound(ServerboundPackets1_14.PLAYER_BLOCK_PLACEMENT, new PacketRemapper() {

        @Override
        public void registerMap() {
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    int hand = wrapper.read(Type.VAR_INT);
                    Position position = wrapper.read(Type.POSITION1_14);
                    int face = wrapper.read(Type.VAR_INT);
                    float x = wrapper.read(Type.FLOAT);
                    float y = wrapper.read(Type.FLOAT);
                    float z = wrapper.read(Type.FLOAT);
                    // new unknown boolean
                    wrapper.read(Type.BOOLEAN);
                    wrapper.write(Type.POSITION, position);
                    wrapper.write(Type.VAR_INT, face);
                    wrapper.write(Type.VAR_INT, hand);
                    wrapper.write(Type.FLOAT, x);
                    wrapper.write(Type.FLOAT, y);
                    wrapper.write(Type.FLOAT, z);
                }
            });
        }
    });
}

Example 14 with Item

use of com.viaversion.viaversion.api.minecraft.item.Item in project ViaVersion by ViaVersion.

the class ParticleRewriter method iconcrackHandler.

// Rewrite IconCrack items to new format :)
private static ParticleDataHandler iconcrackHandler() {
    return new ParticleDataHandler() {

        @Override
        public Particle handler(Particle particle, Integer[] data) {
            Item item;
            if (data.length == 1)
                item = new DataItem(data[0], (byte) 1, (short) 0, null);
            else if (data.length == 2)
                item = new DataItem(data[0], (byte) 1, data[1].shortValue(), null);
            else
                return particle;
            // Transform to new Item
            Via.getManager().getProtocolManager().getProtocol(Protocol1_13To1_12_2.class).getItemRewriter().handleItemToClient(item);
            // Item Slot	The item that will be used.
            particle.getArguments().add(new Particle.ParticleData(Type.FLAT_ITEM, item));
            return particle;
        }
    };
}

Example 15 with Item

use of com.viaversion.viaversion.api.minecraft.item.Item in project ViaVersion by ViaVersion.

the class EntityRewriter method rewriteParticle.

protected void rewriteParticle(Particle particle) {
    ParticleMappings mappings = protocol.getMappingData().getParticleMappings();
    int id = particle.getId();
    if (mappings.isBlockParticle(id)) {
        Particle.ParticleData data = particle.getArguments().get(0);
        data.setValue(protocol.getMappingData().getNewBlockStateId(data.get()));
    } else if (mappings.isItemParticle(id) && protocol.getItemRewriter() != null) {
        Particle.ParticleData data = particle.getArguments().get(0);
        Item item = data.get();
        protocol.getItemRewriter().handleItemToClient(item);
    }
    particle.setId(protocol.getMappingData().getNewParticleId(id));
}