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https://github.com/Minestom/Minestom.git
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80 lines
2.5 KiB
Java
80 lines
2.5 KiB
Java
package net.minestom.server.utils.inventory;
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public final class PlayerInventoryUtils {
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public static final int OFFSET = 9;
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public static final int CRAFT_RESULT = 36;
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public static final int CRAFT_SLOT_1 = 37;
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public static final int CRAFT_SLOT_2 = 38;
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public static final int CRAFT_SLOT_3 = 39;
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public static final int CRAFT_SLOT_4 = 40;
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public static final int HELMET_SLOT = 41;
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public static final int CHESTPLATE_SLOT = 42;
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public static final int LEGGINGS_SLOT = 43;
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public static final int BOOTS_SLOT = 44;
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public static final int OFFHAND_SLOT = 45;
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private PlayerInventoryUtils() {
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}
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/**
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* Converts a packet slot to an internal one.
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*
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* @param slot the packet slot
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* @param offset the slot count separating the up part of the inventory to the bottom part (armor/craft in PlayerInventory, inventory slots in others)
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* the offset for the player inventory is {@link #OFFSET}
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* @return a packet which can be use internally with Minestom
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*/
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public static int convertPlayerInventorySlot(int slot, int offset) {
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return switch (slot) {
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case 0 -> CRAFT_RESULT;
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case 1 -> CRAFT_SLOT_1;
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case 2 -> CRAFT_SLOT_2;
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case 3 -> CRAFT_SLOT_3;
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case 4 -> CRAFT_SLOT_4;
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case 5 -> HELMET_SLOT;
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case 6 -> CHESTPLATE_SLOT;
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case 7 -> LEGGINGS_SLOT;
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case 8 -> BOOTS_SLOT;
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default -> convertSlot(slot, offset);
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};
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}
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public static int convertSlot(int slot, int offset) {
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final int rowSize = 9;
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slot -= offset;
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if (slot >= rowSize * 3 && slot < rowSize * 4) {
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slot = slot % 9;
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} else {
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slot = slot + rowSize;
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}
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return slot;
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}
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/**
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* Used to convert internal slot to one used in packets
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*
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* @param slot the internal slot
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* @return a slot id which can be used for packets
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*/
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public static int convertToPacketSlot(int slot) {
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if (slot > -1 && slot < 9) { // Held bar 0-8
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slot = slot + 36;
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} else if (slot > 8 && slot < 36) { // Inventory 9-35
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slot = slot;
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} else if (slot >= CRAFT_RESULT && slot <= CRAFT_SLOT_4) { // Crafting 36-40
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slot = slot - 36;
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} else if (slot >= HELMET_SLOT && slot <= BOOTS_SLOT) { // Armor 41-44
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slot = slot - 36;
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} else if (slot == OFFHAND_SLOT) { // Off hand
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slot = 45;
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}
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return slot;
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}
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}
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