67 lines
1.5 KiB
TypeScript
67 lines
1.5 KiB
TypeScript
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import { Endian, createWriter } from "bufferstuff";
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import { ItemStack } from "./ItemStack";
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import IInventory from "./IInventory";
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export class Inventory implements IInventory {
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private itemStacks:Array<ItemStack | null>;
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private size:number;
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private name:string;
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public constructor(size:number, name:string) {
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this.itemStacks = new Array<ItemStack | null>();
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for (let i = 0; i < size; i++) {
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this.itemStacks.push(null);
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}
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this.size = size;
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this.name = name;
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}
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getInventoryName() {
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return this.name;
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}
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getInventorySize() {
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return this.itemStacks.length;
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}
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getSlotItemStack(slotId:number) {
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return this.itemStacks[slotId];
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}
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setSlotItemStack(slotId:number, itemStack: ItemStack | null) {
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if (slotId < 0 || slotId > this.size - 1) {
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throw new Error(`Tried to set an Inventory ItemStack out of bounds! Requested slot: ${slotId}, Inventory Size: ${this.size}`);
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}
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this.itemStacks[slotId] = itemStack;
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return this;
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}
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private calculateInventoryPayloadSize() {
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let bufferSize = 0;
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for (const stack of this.itemStacks) {
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if (stack) {
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bufferSize += 5; // short + byte + short
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} else {
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bufferSize += 2; // short
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}
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}
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return bufferSize;
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}
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constructInventoryPayload() {
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const writer = createWriter(Endian.BE, this.calculateInventoryPayloadSize());
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for (const stack of this.itemStacks) {
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writer.writeShort(stack == null ? -1 : stack.itemID);
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if (stack != null) {
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writer.writeByte(stack.size);
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writer.writeShort(stack.damage);
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}
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}
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return writer.toBuffer();
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}
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}
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