WIP: Inventories

This commit is contained in:
Holly Stubbs 2023-10-29 05:08:26 +00:00
parent 74374cb0d6
commit d8d1eabcf4
Signed by: tgpholly
GPG key ID: B8583C4B7D18119E
19 changed files with 374 additions and 108 deletions

63
package-lock.json generated
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@ -9,18 +9,18 @@
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@ -2402,15 +2405,16 @@
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@ -2435,6 +2439,15 @@
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@ -2493,9 +2506,9 @@
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@ -25,17 +25,17 @@
},
"homepage": "https://github.com/tgpholly/mc-beta-server#readme",
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"ts-loader": "^9.5.0",
"ts-node": "^10.9.1",
"typescript": "^5.1.6"
"typescript": "^5.2.2"
}
}

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@ -154,11 +154,11 @@ export class Chunk {
}
public getBlockLightBuffer() {
return this.metadata.toBuffer();
return this.blockLight.toBuffer();
}
public getSkyLightBuffer() {
return this.metadata.toBuffer();
return this.skyLight.toBuffer();
}
public getBlockData() {

26
server/EntityMetadata.ts Normal file
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@ -0,0 +1,26 @@
import { MetadataEntry, MetadataWriter } from "./MetadataWriter";
import { MetadataFieldType } from "./enums/MetadataFieldType";
export default class EntityMetadata {
public onFire:boolean = false;
public crouched:boolean = false;
public ridingEntity:boolean = false;
private finalValue:number = 0;
private static readonly ENTITY_ON_FIRE = 1 << 0;
private static readonly ENTITY_CROUCHING = 1 << 1;
private static readonly ENTITY_RIDING = 1 << 2;
writeMetadata() {
const metadataWriter = new MetadataWriter();
this.finalValue =
(this.onFire ? EntityMetadata.ENTITY_ON_FIRE : 0) | // On Fire
(this.crouched ? EntityMetadata.ENTITY_CROUCHING : 0) | // Crouching
(this.ridingEntity ? EntityMetadata.ENTITY_CROUCHING : 0); // Riding entity
metadataWriter.addMetadataEntry(0, new MetadataEntry(MetadataFieldType.Byte, this.finalValue));
return metadataWriter.writeBuffer();
}
}

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@ -15,23 +15,30 @@ import { Socket } from "net";
import { Vec3 } from "./Vec3";
import { PacketRespawn } from "./packets/Respawn";
import { PacketSpawnPosition } from "./packets/SpawnPosition";
import { PacketPlayerBlockPlacement } from "./packets/PlayerBlockPlacement";
import { Inventory } from "./inventories/Inventory";
import { PacketHoldingChange } from "./packets/HoldingChange";
import { PacketDisconnectKick } from "./packets/DisconnectKick";
export class MPClient {
private readonly mcServer:MinecraftServer;
private readonly socket:Socket;
public entity:Player;
private inventory:Inventory;
private holdingIndex:number = 36; // First hotbar slot.
private diggingAt:Vec3;
public constructor(mcServer:MinecraftServer, socket:Socket, entity:Player) {
this.mcServer = mcServer;
this.socket = socket;
this.entity = entity;
this.inventory = entity.inventory;
this.diggingAt = new Vec3();
}
private mapCoordsToFace(pos:Vec3, face:number) {
private mapCoordsFromFace(pos:Vec3, face:number) {
switch (face) {
case 0:
pos.y--;
@ -64,8 +71,8 @@ export class MPClient {
case Packet.PlayerLook: this.handlePacketPlayerLook(new PacketPlayerLook().readData(reader)); break;
case Packet.PlayerPositionLook: this.handlePacketPlayerPositionLook(new PacketPlayerPositionLook().readData(reader)); break;
case Packet.PlayerDigging: this.handlePacketPlayerDigging(new PacketPlayerDigging().readData(reader)); break;
//case Packets.PlayerBlockPlacement: break;
//case Packets.HoldingChange: break;
case Packet.PlayerBlockPlacement: this.handlePacketBlockPlacement(new PacketPlayerBlockPlacement().readData(reader)); break;
case Packet.HoldingChange: this.handlePacketHoldingChange(new PacketHoldingChange().readData(reader)); break;
//case Packets.UseBed: break;
case Packet.Animation: this.handlePacketAnimation(new PacketAnimation().readData(reader)); break;
case Packet.EntityAction: this.handlePacketEntityAction(new PacketEntityAction().readData(reader)); break;
@ -154,6 +161,27 @@ export class MPClient {
}
}
private handlePacketBlockPlacement(packet:PacketPlayerBlockPlacement) {
this.diggingAt.set(packet.x, packet.y, packet.z);
this.mapCoordsFromFace(this.diggingAt, packet.face);
const itemStack = this.inventory.getSlotItemStack(this.holdingIndex);
if (itemStack != null && itemStack.size > 0 && this.entity.world.getBlockId(this.diggingAt.x, this.diggingAt.y, this.diggingAt.z) === 0) {
itemStack.size--;
this.entity.world.setBlockAndMetadataWithNotify(this.diggingAt.x, this.diggingAt.y, this.diggingAt.z, itemStack.itemID, itemStack.damage);
}
}
private handlePacketHoldingChange(packet:PacketHoldingChange) {
if (packet.slotId < 0 || packet.slotId > 8) {
this.send(new PacketDisconnectKick("Out of Bounds Holding Index!").writeData());
this.socket.end();
return;
}
this.holdingIndex = 36 + packet.slotId;
}
// Animation start
private handlePacketAnimation(packet:PacketAnimation) {
// Forward this packet to all nearby clients

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@ -35,6 +35,8 @@ export class MetadataWriter {
case MetadataFieldType.String:
if (typeof(entry.value) === "string") {
size += 2 + entry.value.length * 2; break;
} else {
throw "Non-string value assigned to a String MetadataEntry";
}
}
})

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@ -21,6 +21,7 @@ import { Chunk } from "./Chunk";
import { PacketTimeUpdate } from "./packets/TimeUpdate";
import { HillyGenerator } from "./generators/Hilly";
import { NetherGenerator } from "./generators/Nether";
import { PacketWindowItems } from "./packets/WindowItems";
export class MinecraftServer {
private static readonly PROTOCOL_VERSION = 14;
@ -233,6 +234,10 @@ export class MinecraftServer {
});
socket.write(new PacketPlayerPositionLook(8, 70, 70.62, 8, 0, 0, false).writeData());
const playerInventory = clientEntity.inventory;
socket.write(new PacketWindowItems(0, playerInventory.getInventorySize(), playerInventory.constructInventoryPayload()).writeData());
console.log(new PacketWindowItems(0, playerInventory.getInventorySize(), playerInventory.constructInventoryPayload()).writeData());
} else {
socket.write(new PacketDisconnectKick("Failed to find world to put player in.").writeData());
}

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@ -1,12 +0,0 @@
import { ItemStack } from "./ItemStack";
import { ContainerSlot } from "./Slot";
export abstract class Container {
public itemSlots:Array<ContainerSlot>;
public itemStacks:Array<ItemStack>;
public constructor() {
this.itemSlots = new Array<ContainerSlot>();
this.itemStacks = new Array<ItemStack>();
}
}

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@ -1,49 +0,0 @@
import { Block } from "../blocks/Block";
import { Item } from "../items/Item";
export class ItemStack {
public readonly itemID:number;
public stackSize:number;
public damage:number;
public constructor(blockOrItemOrItemID:Block|Item|number, stackSize?:number, damage?:number) {
if (blockOrItemOrItemID instanceof Block && stackSize === undefined && damage === undefined) {
this.itemID = blockOrItemOrItemID.blockId;
this.stackSize = 1;
this.damage = 0;
} else if (blockOrItemOrItemID instanceof Block && typeof(stackSize) === "number" && damage === undefined) {
this.itemID = blockOrItemOrItemID.blockId;
this.stackSize = stackSize;
this.damage = 0;
} else if (blockOrItemOrItemID instanceof Block && typeof(stackSize) === "number" && typeof(damage) === "number") {
this.itemID = blockOrItemOrItemID.blockId;
this.stackSize = stackSize;
this.damage = damage;
} else if (blockOrItemOrItemID instanceof Item && stackSize === undefined && damage === undefined) {
this.itemID = blockOrItemOrItemID.shiftedItemID;
this.stackSize = 1;
this.damage = 0;
} else if (blockOrItemOrItemID instanceof Item && typeof(stackSize) === "number" && damage === undefined) {
this.itemID = blockOrItemOrItemID.shiftedItemID;
this.stackSize = stackSize;
this.damage = 0;
} else if (blockOrItemOrItemID instanceof Item && typeof(stackSize) === "number" && typeof(damage) === "number") {
this.itemID = blockOrItemOrItemID.shiftedItemID;
this.stackSize = stackSize;
this.damage = damage;
} else if (typeof(blockOrItemOrItemID) === "number" && typeof(stackSize) === "number" && typeof(damage) === "number") {
this.itemID = blockOrItemOrItemID;
this.stackSize = stackSize;
this.damage = damage;
} else {
this.itemID = Number.MIN_VALUE;
this.stackSize = Number.MIN_VALUE;
this.damage = Number.MIN_VALUE;
}
}
split(amount:number) {
this.stackSize -= amount;
return new ItemStack(this.itemID, amount, this.damage);
}
}

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@ -1,11 +0,0 @@
import { IInventory } from "../inventories/IInventory";
export class ContainerSlot {
public inventory:IInventory;
public index:number;
public constructor(inventory:IInventory, index:number) {
this.inventory = inventory;
this.index = index;
}
}

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@ -1,5 +1,5 @@
import { World } from "../World";
import { ItemStack } from "../containers/ItemStack";
import { ItemStack } from "../inventories/ItemStack";
import { Entity } from "./Entity";
export class EntityItem extends Entity {

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@ -6,6 +6,9 @@ import { PacketMapChunk } from "../packets/MapChunk";
import { EntityLiving } from "./EntityLiving";
import { PacketPreChunk } from "../packets/PreChunk";
import { PacketUpdateHealth } from "../packets/UpdateHealth";
import { Inventory } from "../inventories/Inventory";
import { ItemStack } from "../inventories/ItemStack";
import { Block } from "../blocks/Block";
const CHUNK_LOAD_RANGE = 5;
@ -16,6 +19,7 @@ export class Player extends EntityLiving {
public loadedChunks:Array<number>;
public justUnloaded:Array<number>;
public mpClient?:MPClient;
public inventory:Inventory;
private lastHealth:number;
@ -26,6 +30,12 @@ export class Player extends EntityLiving {
this.loadedChunks = new Array<number>();
this.justUnloaded = new Array<number>();
this.inventory = new Inventory(44, "Player Inventory");
this.inventory.setSlotItemStack(36, new ItemStack(Block.dirt, 1));
this.inventory.setSlotItemStack(37, new ItemStack(Block.dirt, 2));
this.inventory.setSlotItemStack(38, new ItemStack(Block.dirt, 3));
this.username = username;
this.x = 8;
this.y = 64;

View file

@ -36,5 +36,10 @@ export enum Packet {
EntityLookRelativeMove = 0x21,
EntityTeleport = 0x22,
CloseWindow = 0x65,
WindowClick = 0x66,
SetSlot = 0x67,
WindowItems = 0x68,
DisconnectKick = 0xff
}

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@ -1,7 +1,8 @@
import { ItemStack } from "../containers/ItemStack";
import { ItemStack } from "./ItemStack";
export interface IInventory {
export default interface IInventory {
getInventoryName:() => string,
getInventorySize:() => number,
getSlotItemStack:(slotId:number) => ItemStack
getSlotItemStack:(slotId:number) => ItemStack | null
setSlotItemStack:(slotId:number, itemStack:ItemStack | null) => IInventory
}

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

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@ -0,0 +1,47 @@
import { Block } from "../blocks/Block";
import { Item } from "../items/Item";
export class ItemStack {
public readonly itemID:number;
public size:number;
public damage:number;
public constructor(blockOrItemOrItemID:Block|Item|number, size?:number, damage?:number) {
if (blockOrItemOrItemID instanceof Block && size === undefined && damage === undefined) {
this.itemID = blockOrItemOrItemID.blockId;
this.size = 1;
this.damage = 0;
} else if (blockOrItemOrItemID instanceof Block && typeof(size) === "number" && damage === undefined) {
this.itemID = blockOrItemOrItemID.blockId;
this.size = size;
this.damage = 0;
} else if (blockOrItemOrItemID instanceof Block && typeof(size) === "number" && typeof(damage) === "number") {
this.itemID = blockOrItemOrItemID.blockId;
this.size = size;
this.damage = damage;
} else if (blockOrItemOrItemID instanceof Item && size === undefined && damage === undefined) {
this.itemID = blockOrItemOrItemID.shiftedItemID;
this.size = 1;
this.damage = 0;
} else if (blockOrItemOrItemID instanceof Item && typeof(size) === "number" && damage === undefined) {
this.itemID = blockOrItemOrItemID.shiftedItemID;
this.size = size;
this.damage = 0;
} else if (blockOrItemOrItemID instanceof Item && typeof(size) === "number" && typeof(damage) === "number") {
this.itemID = blockOrItemOrItemID.shiftedItemID;
this.size = size;
this.damage = damage;
} else if (typeof(blockOrItemOrItemID) === "number" && typeof(size) === "number" && typeof(damage) === "number") {
this.itemID = blockOrItemOrItemID;
this.size = size;
this.damage = damage;
} else {
throw new Error(`ItemStack created with invalid properties (${typeof(blockOrItemOrItemID)}, ${typeof(size)}, ${typeof(damage)})`);
}
}
split(amount:number) {
this.size -= amount;
return new ItemStack(this.itemID, amount, this.damage);
}
}

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@ -0,0 +1,26 @@
import { createWriter, IReader, Endian } from "bufferstuff";
import { IPacket } from "./IPacket";
import { Packet } from "../enums/Packet";
export class PacketHoldingChange implements IPacket {
public packetId = Packet.HoldingChange;
public slotId:number;
public constructor(slotId?:number) {
if (typeof(slotId) === "number") {
this.slotId = slotId;
} else {
this.slotId = Number.MIN_VALUE;
}
}
public readData(reader:IReader) {
this.slotId = reader.readShort();
return this;
}
public writeData() {
return createWriter(Endian.BE, 3).writeUByte(this.packetId).writeShort(this.slotId).toBuffer();
}
}

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@ -0,0 +1,70 @@
import { createWriter, IReader, Endian } from "bufferstuff";
import { IPacket } from "./IPacket";
import { Packet } from "../enums/Packet";
export class PacketPlayerBlockPlacement implements IPacket {
public packetId = Packet.PlayerBlockPlacement;
public x:number;
public y:number;
public z:number;
public face:number;
public blockOrItemId:number;
public amount?:number;
public damage?:number;
public constructor(x?:number, y?:number, z?:number, face?:number, blockOrItemId?:number, amount?:number, damage?:number) {
if (typeof(x) === "number" && typeof(y) === "number" && typeof(z) === "number" && typeof(face) === "number" && typeof(blockOrItemId) === "number") {
this.x = x;
this.y = y;
this.z = z;
this.face = face;
this.blockOrItemId = blockOrItemId;
} else {
this.x = Number.MIN_VALUE;
this.y = Number.MIN_VALUE;
this.z = Number.MIN_VALUE;
this.face = Number.MIN_VALUE;
this.blockOrItemId = Number.MIN_VALUE;
}
this.amount = amount;
this.damage = damage;
}
public readData(reader:IReader) {
this.x = reader.readInt();
this.y = reader.readByte();
this.z = reader.readInt();
this.face = reader.readByte();
this.blockOrItemId = reader.readShort();
if (this.blockOrItemId >= 0) {
this.amount = reader.readByte();
this.damage = reader.readShort();
}
return this;
}
private calculatePacketSize() {
return this.blockOrItemId >= 0 && this.amount != null && this.damage != null ? 16 : 13;
}
public writeData() {
const packetSize = this.calculatePacketSize();
const writer = createWriter(Endian.BE, packetSize)
.writeUByte(this.packetId)
.writeInt(this.x)
.writeByte(this.y)
.writeInt(this.z)
.writeByte(this.face)
.writeShort(this.blockOrItemId);
if (this.amount != null && this.damage != null) {
writer.writeByte(this.amount).writeShort(this.damage);
}
return writer.toBuffer();
}
}

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@ -0,0 +1,32 @@
import { createWriter, IReader, Endian } from "bufferstuff";
import { IPacket } from "./IPacket";
import { Packet } from "../enums/Packet";
export class PacketWindowItems implements IPacket {
public packetId = Packet.WindowItems;
public windowId:number;
public count:number;
public payload:Buffer;
public constructor(windowId?:number, count?:number, payload?:Buffer) {
if (typeof(windowId) === "number" && typeof(count) === "number" && payload instanceof Buffer) {
this.windowId = windowId;
this.count = count;
this.payload = payload;
} else {
this.windowId = Number.MIN_VALUE;
this.count = Number.MIN_VALUE;
this.payload = Buffer.alloc(0);
}
}
public readData(reader:IReader) {
reader.readByte();
return this;
}
public writeData() {
return createWriter(Endian.BE, 4).writeUByte(this.packetId).writeByte(this.windowId).writeShort(this.count).writeBuffer(this.payload).toBuffer();
}
}