Server authority

client/inventory.ts

@@ -1,138 +1,11 @@
-import { EverythingRegistry, ItemRegistry } from "$/common/everything_registry.ts";
+import { Container, Cursor } from "$/common/inventory.ts";
 
-export class ItemStack<T = unknown | undefined> {
-	type_id: string;
-	amount: number;
-	max_amount: number;
-	data?: T;
-
-	constructor(type_id: string | string, amount: number = 1, max_amount: number = 64) {
-		this.type_id = type_id;
-		this.amount = amount;
-		this.max_amount = max_amount;
-		this.data = undefined;
-		const item_info = EverythingRegistry.get<ItemRegistry>("items", type_id);
-		if (item_info?.on_create) {
-			item_info.on_create(this);
-		}
-	}
-
-	clone(): ItemStack {
-		return new ItemStack(this.type_id, this.amount, this.max_amount);
-	}
-}
-
-export class ContainerSlot {
-	#item_stack: ItemStack | undefined;
-
-	has_item() {
-		return this.#item_stack !== undefined;
-	}
-
-	set_item(item_stack: ItemStack | undefined) {
-		if ((item_stack?.amount ?? 0) <= 0) {
-			item_stack = undefined;
-		}
-		this.#item_stack = item_stack;
-	}
-
-	get_item() {
-		return this.#item_stack;
-	}
-
-	get type_id() {
-		return this.#item_stack?.type_id;
-	}
-
-	set amount(new_amount: number) {
-		if (this.#item_stack) {
-			this.#item_stack.amount = new_amount;
-			if (this.#item_stack.amount <= 0) {
-				this.#item_stack = undefined;
-			}
-		}
-	}
-
-	get amount(): number | undefined {
-		return this.#item_stack?.amount;
-	}
-
-	get max_amount() {
-		return this.#item_stack?.max_amount;
-	}
-}
-
-export class Container {
-	#slots: ContainerSlot[] = [];
-	readonly size: number;
-
-	constructor(size: number) {
-		this.size = size;
-		for (let i = 0; i < size; i += 1) {
-			this.#slots.push(new ContainerSlot());
-		}
-	}
-
-	add_item(item_stack: ItemStack) {
-		for (const slot of this.#slots.filter((slot) => slot.has_item())) {
-			const slot_item = slot.get_item()!;
-			if (slot_item.type_id === item_stack.type_id) {
-				const missing = slot_item.max_amount - slot_item.amount;
-				const adding = Math.min(missing, item_stack.amount);
-				slot_item.amount += adding;
-				item_stack.amount -= adding;
-				if (item_stack.amount === 0) {
-					return;
-				}
-			}
-		}
-		for (const slot of this.#slots) {
-			if (!slot.has_item()) {
-				slot.set_item(item_stack);
-				return;
-			}
-		}
-		// TODO: drop item on ground
-		console.error("Failed to place item in container");
-	}
-
-	get_item(slot: number): ItemStack | undefined {
-		return this.#slots[slot]?.get_item();
-	}
-
-	get_slot(slot: number): ContainerSlot {
-		return this.#slots[slot];
-	}
-
-	set_item(slot: number, item: ItemStack | undefined) {
-		this.#slots[slot].set_item(item);
-	}
-}
-
-export interface ContainerLayout {
-	slots: { type: string; x: number; y: number }[];
-	offset_x: number;
-	offset_y: number;
-}
-
-export class Inventory {
-	container: Container;
-
-	hovering_slot: number = -1;
-
-	constructor(container: Container) {
-		this.container = container;
-	}
-}
-
-export class PlayerInventory extends Inventory {
-	owner_id: string;
-	holding_item: ItemStack | undefined;
-	hotbar_selected: number = 0;
-
-	constructor(owner_id: string) {
-		const container = new Container(9 * 4);
-		super(container);
-		this.owner_id = owner_id;
-	}
+// the local copies of the containers the server syncs to this player
+export class ClientInventories {
+	inventory = new Container(9 * 4);
+	crafting = new Container(10);
+	// the open server screen's container
+	screen: Container | undefined;
+	cursor: Cursor = { item: undefined };
+	hotbar_selected = 0;
 }