Basic gameplay?

common/everything_registry.ts

@@ -1,3 +1,6 @@
+import { ClientWorld } from "../client/client_world.ts";
+import { Tile } from "../client/components/dimension.ts";
+
 export class EverythingRegistry {
 	static #registries = new Map<string, Map<string, unknown>>();
 
@@ -13,3 +16,11 @@ export class EverythingRegistry {
 		return this.#registries.get(registry_name)?.get(key) as T;
 	}
 }
+
+export interface TileRegistry {
+	texture_id: string;
+	has_collision: boolean;
+
+	on_click?(world: ClientWorld, tile: Tile): void;
+	on_interact?(world: ClientWorld, tile: Tile): void;
+}