Examples with InventoryTracker com.viaversion.viaversion.protocols.protocol1_9to1_8.storage.InventoryTracker used on opensource projects

Example 1 with InventoryTracker

use of com.viaversion.viaversion.protocols.protocol1_9to1_8.storage.InventoryTracker in project ViaVersion by ViaVersion.

the class InventoryPackets method register.

public static void register(Protocol protocol) {
    protocol.registerClientbound(ClientboundPackets1_8.WINDOW_PROPERTY, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Window ID
            map(Type.UNSIGNED_BYTE);
            // 1 - Property Key
            map(Type.SHORT);
            // 2 - Property Value
            map(Type.SHORT);
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    final short windowId = wrapper.get(Type.UNSIGNED_BYTE, 0);
                    final short property = wrapper.get(Type.SHORT, 0);
                    short value = wrapper.get(Type.SHORT, 1);
                    InventoryTracker inventoryTracker = wrapper.user().get(InventoryTracker.class);
                    if (inventoryTracker.getInventory() != null) {
                        if (inventoryTracker.getInventory().equalsIgnoreCase("minecraft:enchanting_table")) {
                            if (property > 3 && property < 7) {
                                // Send 2 properties, splitting it into enchantID & level
                                final short level = (short) (value >> 8);
                                final short enchantID = (short) (value & 0xFF);
                                wrapper.create(wrapper.getId(), new PacketHandler() {

                                    @Override
                                    public void handle(PacketWrapper wrapper) throws Exception {
                                        wrapper.write(Type.UNSIGNED_BYTE, windowId);
                                        wrapper.write(Type.SHORT, property);
                                        wrapper.write(Type.SHORT, enchantID);
                                    }
                                }).scheduleSend(Protocol1_9To1_8.class);
                                wrapper.set(Type.SHORT, 0, (short) (property + 3));
                                wrapper.set(Type.SHORT, 1, level);
                            }
                        }
                    }
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_8.OPEN_WINDOW, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Window ID
            map(Type.UNSIGNED_BYTE);
            // 1 - Window Type
            map(Type.STRING);
            // 2 - Window Title
            map(Type.STRING, Protocol1_9To1_8.FIX_JSON);
            // 3 - Slot Count
            map(Type.UNSIGNED_BYTE);
            // There is a horse parameter after this, we don't handle it and let it passthrough
            // Inventory tracking
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    String inventory = wrapper.get(Type.STRING, 0);
                    InventoryTracker inventoryTracker = wrapper.user().get(InventoryTracker.class);
                    inventoryTracker.setInventory(inventory);
                }
            });
            // Brewing patch
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    String inventory = wrapper.get(Type.STRING, 0);
                    if (inventory.equals("minecraft:brewing_stand")) {
                        wrapper.set(Type.UNSIGNED_BYTE, 1, (short) (wrapper.get(Type.UNSIGNED_BYTE, 1) + 1));
                    }
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_8.SET_SLOT, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Window ID
            map(Type.UNSIGNED_BYTE);
            // 1 - Slot ID
            map(Type.SHORT);
            // 2 - Slot Value
            map(Type.ITEM);
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    Item stack = wrapper.get(Type.ITEM, 0);
                    boolean showShieldWhenSwordInHand = Via.getConfig().isShowShieldWhenSwordInHand() && Via.getConfig().isShieldBlocking();
                    // Check if it is the inventory of the player
                    if (showShieldWhenSwordInHand) {
                        InventoryTracker inventoryTracker = wrapper.user().get(InventoryTracker.class);
                        EntityTracker1_9 entityTracker = wrapper.user().getEntityTracker(Protocol1_9To1_8.class);
                        short slotID = wrapper.get(Type.SHORT, 0);
                        byte windowId = wrapper.get(Type.UNSIGNED_BYTE, 0).byteValue();
                        // Store item in slot
                        inventoryTracker.setItemId(windowId, slotID, stack == null ? 0 : stack.identifier());
                        // Sync shield item in offhand with main hand
                        entityTracker.syncShieldWithSword();
                    }
                    ItemRewriter.toClient(stack);
                }
            });
            // Brewing patch
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    InventoryTracker inventoryTracker = wrapper.user().get(InventoryTracker.class);
                    short slotID = wrapper.get(Type.SHORT, 0);
                    if (inventoryTracker.getInventory() != null) {
                        if (inventoryTracker.getInventory().equals("minecraft:brewing_stand")) {
                            if (slotID >= 4) {
                                wrapper.set(Type.SHORT, 0, (short) (slotID + 1));
                            }
                        }
                    }
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_8.WINDOW_ITEMS, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Window ID
            map(Type.UNSIGNED_BYTE);
            // 1 - Window Values
            map(Type.ITEM_ARRAY);
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    Item[] stacks = wrapper.get(Type.ITEM_ARRAY, 0);
                    Short windowId = wrapper.get(Type.UNSIGNED_BYTE, 0);
                    InventoryTracker inventoryTracker = wrapper.user().get(InventoryTracker.class);
                    EntityTracker1_9 entityTracker = wrapper.user().getEntityTracker(Protocol1_9To1_8.class);
                    boolean showShieldWhenSwordInHand = Via.getConfig().isShowShieldWhenSwordInHand() && Via.getConfig().isShieldBlocking();
                    for (short i = 0; i < stacks.length; i++) {
                        Item stack = stacks[i];
                        // Store items in slots
                        if (showShieldWhenSwordInHand) {
                            inventoryTracker.setItemId(windowId, i, stack == null ? 0 : stack.identifier());
                        }
                        ItemRewriter.toClient(stack);
                    }
                    // Sync shield item in offhand with main hand
                    if (showShieldWhenSwordInHand) {
                        entityTracker.syncShieldWithSword();
                    }
                }
            });
            // Brewing Patch
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    InventoryTracker inventoryTracker = wrapper.user().get(InventoryTracker.class);
                    if (inventoryTracker.getInventory() != null) {
                        if (inventoryTracker.getInventory().equals("minecraft:brewing_stand")) {
                            Item[] oldStack = wrapper.get(Type.ITEM_ARRAY, 0);
                            Item[] newStack = new Item[oldStack.length + 1];
                            for (int i = 0; i < newStack.length; i++) {
                                if (i > 4) {
                                    newStack[i] = oldStack[i - 1];
                                } else {
                                    if (i != 4) {
                                        // Leave index 3 blank
                                        newStack[i] = oldStack[i];
                                    }
                                }
                            }
                            wrapper.set(Type.ITEM_ARRAY, 0, newStack);
                        }
                    }
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_8.CLOSE_WINDOW, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Window ID
            map(Type.UNSIGNED_BYTE);
            // Inventory tracking
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    InventoryTracker inventoryTracker = wrapper.user().get(InventoryTracker.class);
                    inventoryTracker.setInventory(null);
                    inventoryTracker.resetInventory(wrapper.get(Type.UNSIGNED_BYTE, 0));
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_8.MAP_DATA, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Map ID
            map(Type.VAR_INT);
            // 1 - Map Scale
            map(Type.BYTE);
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) {
                    // 2 - Show marker
                    wrapper.write(Type.BOOLEAN, true);
                }
            });
        // Everything else is passed through
        }
    });
    /* Incoming Packets */
    protocol.registerServerbound(ServerboundPackets1_9.CREATIVE_INVENTORY_ACTION, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Slot ID
            map(Type.SHORT);
            // 1 - Item
            map(Type.ITEM);
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    Item stack = wrapper.get(Type.ITEM, 0);
                    boolean showShieldWhenSwordInHand = Via.getConfig().isShowShieldWhenSwordInHand() && Via.getConfig().isShieldBlocking();
                    if (showShieldWhenSwordInHand) {
                        InventoryTracker inventoryTracker = wrapper.user().get(InventoryTracker.class);
                        EntityTracker1_9 entityTracker = wrapper.user().getEntityTracker(Protocol1_9To1_8.class);
                        short slotID = wrapper.get(Type.SHORT, 0);
                        // Update item in slot
                        inventoryTracker.setItemId((short) 0, slotID, stack == null ? 0 : stack.identifier());
                        // Sync shield item in offhand with main hand
                        entityTracker.syncShieldWithSword();
                    }
                    ItemRewriter.toServer(stack);
                }
            });
            // Elytra throw patch
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    final short slot = wrapper.get(Type.SHORT, 0);
                    boolean throwItem = (slot == 45);
                    if (throwItem) {
                        // Send a packet wiping the slot
                        wrapper.create(ClientboundPackets1_9.SET_SLOT, new PacketHandler() {

                            @Override
                            public void handle(PacketWrapper wrapper) throws Exception {
                                wrapper.write(Type.UNSIGNED_BYTE, (short) 0);
                                wrapper.write(Type.SHORT, slot);
                                wrapper.write(Type.ITEM, null);
                            }
                        }).send(Protocol1_9To1_8.class);
                        // Finally reset to simulate throwing item
                        // Set slot to -999
                        wrapper.set(Type.SHORT, 0, (short) -999);
                    }
                }
            });
        }
    });
    protocol.registerServerbound(ServerboundPackets1_9.CLICK_WINDOW, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Window ID
            map(Type.UNSIGNED_BYTE);
            // 1 - Slot ID
            map(Type.SHORT);
            // 2 - Button
            map(Type.BYTE);
            // 3 - Action
            map(Type.SHORT);
            // 4 - Mode
            map(Type.VAR_INT, Type.BYTE);
            // 5 - Clicked Item
            map(Type.ITEM);
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    Item stack = wrapper.get(Type.ITEM, 0);
                    if (Via.getConfig().isShowShieldWhenSwordInHand()) {
                        Short windowId = wrapper.get(Type.UNSIGNED_BYTE, 0);
                        byte mode = wrapper.get(Type.BYTE, 1);
                        short hoverSlot = wrapper.get(Type.SHORT, 0);
                        byte button = wrapper.get(Type.BYTE, 0);
                        // Move items in inventory to track the sword location
                        InventoryTracker inventoryTracker = wrapper.user().get(InventoryTracker.class);
                        inventoryTracker.handleWindowClick(wrapper.user(), windowId, mode, hoverSlot, button);
                    }
                    ItemRewriter.toServer(stack);
                }
            });
            // Brewing patch and elytra throw patch
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    final short windowID = wrapper.get(Type.UNSIGNED_BYTE, 0);
                    final short slot = wrapper.get(Type.SHORT, 0);
                    boolean throwItem = (slot == 45 && windowID == 0);
                    InventoryTracker inventoryTracker = wrapper.user().get(InventoryTracker.class);
                    if (inventoryTracker.getInventory() != null) {
                        if (inventoryTracker.getInventory().equals("minecraft:brewing_stand")) {
                            if (slot == 4) {
                                throwItem = true;
                            }
                            if (slot > 4) {
                                wrapper.set(Type.SHORT, 0, (short) (slot - 1));
                            }
                        }
                    }
                    if (throwItem) {
                        // Send a packet wiping the slot
                        wrapper.create(ClientboundPackets1_9.SET_SLOT, new PacketHandler() {

                            @Override
                            public void handle(PacketWrapper wrapper) throws Exception {
                                wrapper.write(Type.UNSIGNED_BYTE, (short) windowID);
                                wrapper.write(Type.SHORT, slot);
                                wrapper.write(Type.ITEM, null);
                            }
                        }).scheduleSend(Protocol1_9To1_8.class);
                        // Finally reset to simulate throwing item
                        // Set button to 0
                        wrapper.set(Type.BYTE, 0, (byte) 0);
                        // Set mode to 0
                        wrapper.set(Type.BYTE, 1, (byte) 0);
                        // Set slot to -999
                        wrapper.set(Type.SHORT, 0, (short) -999);
                    }
                }
            });
        }
    });
    protocol.registerServerbound(ServerboundPackets1_9.CLOSE_WINDOW, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Window ID
            map(Type.UNSIGNED_BYTE);
            // Inventory tracking
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    InventoryTracker inventoryTracker = wrapper.user().get(InventoryTracker.class);
                    inventoryTracker.setInventory(null);
                    inventoryTracker.resetInventory(wrapper.get(Type.UNSIGNED_BYTE, 0));
                }
            });
        }
    });
    protocol.registerServerbound(ServerboundPackets1_9.HELD_ITEM_CHANGE, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Slot id
            map(Type.SHORT);
            // Blocking patch
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    boolean showShieldWhenSwordInHand = Via.getConfig().isShowShieldWhenSwordInHand() && Via.getConfig().isShieldBlocking();
                    EntityTracker1_9 entityTracker = wrapper.user().getEntityTracker(Protocol1_9To1_8.class);
                    if (entityTracker.isBlocking()) {
                        entityTracker.setBlocking(false);
                        if (!showShieldWhenSwordInHand) {
                            entityTracker.setSecondHand(null);
                        }
                    }
                    if (showShieldWhenSwordInHand) {
                        // Update current held item slot index
                        entityTracker.setHeldItemSlot(wrapper.get(Type.SHORT, 0));
                        // Sync shield item in offhand with main hand
                        entityTracker.syncShieldWithSword();
                    }
                }
            });
        }
    });
}