Register items for blocks

common/everything_registry.ts

@@ -5,7 +5,7 @@ export class EverythingRegistry {
 	static #key_to_id = new Map<string, Map<string, number>>();
 	static #id_to_value = new Map<string, unknown[]>();
 
-	static register<T>(registry: string, key: string, value: T) {
+	static register<T>(registry: string, key: string, value: T): T {
 		if (!this.#key_to_id.has(registry)) {
 			this.#key_to_id.set(registry, new Map());
 			this.#id_to_value.set(registry, []);
@@ -18,6 +18,8 @@ export class EverythingRegistry {
 
 		key_map.set(key, id);
 		values[id] = value;
+
+		return value;
 	}
 
 	static get<T>(registry: string, key: string): T | undefined {
@@ -61,6 +63,7 @@ interface TextureFront {
 }
 
 export interface BlockRegistry<T = unknown | undefined> {
+	id: string;
 	textures: string | TextureSideTopBottom | TextureFront;
 	transparent?: boolean;
 	alpha?: number;

common/utils.ts

@@ -1,5 +1,6 @@
 import { AssetManager } from "../client/assets.ts";
 import { SpriteRegion } from "./constants.ts";
+import { BlockRegistry, EverythingRegistry, ItemRegistry } from "./everything_registry.ts";
 
 export function point_inside_rec(
 	point_x: number,
@@ -43,3 +44,13 @@ export function distance_point_point(ax: number, ay: number, az: number, bx: num
 	const dz = az - bz;
 	return dx * dx + dy * dy + dz * dz;
 }
+
+export function register_block_item(block: BlockRegistry) {
+	let texture_id = "bworld:missing";
+	if (typeof block.textures === "string") {
+		texture_id = block.textures;
+	}
+	EverythingRegistry.register<ItemRegistry>("items", block.id, {
+		texture_id,
+	});
+}