Server

common/constants.ts

@@ -18,3 +18,7 @@ export const VOID = 0xFFFFFFFF;
 
 export const ID_MASK = 0xFFFF;
 export const STATE_SHIFT = 16;
+
+export const CHUNK_SIZE = 16;
+export const CHUNK_HEIGHT = 128;
+export const CHUNK_AREA = CHUNK_SIZE * CHUNK_SIZE;

common/protocol.ts

@@ -0,0 +1,33 @@
+// messages sent between the client and the server, as json over a websocket
+
+export const AIR_ID = "bworld:air";
+
+export interface PlayerInfo {
+	id: string;
+	name: string;
+	x: number;
+	y: number;
+	z: number;
+	yaw: number;
+	pitch: number;
+}
+
+// x, y, z, block id
+export type BlockChange = [number, number, number, string];
+
+export type ClientMessage =
+	| { type: "hello"; name: string }
+	| { type: "move"; x: number; y: number; z: number; yaw: number; pitch: number }
+	| { type: "set_block"; x: number; y: number; z: number; id: string }
+	| { type: "chat"; text: string };
+
+export type ServerMessage =
+	| { type: "welcome"; id: string; seed: string; players: PlayerInfo[]; changes: BlockChange[] }
+	| { type: "player_join"; player: PlayerInfo }
+	| { type: "player_leave"; id: string }
+	| { type: "player_move"; id: string; x: number; y: number; z: number; yaw: number; pitch: number }
+	| { type: "set_block"; x: number; y: number; z: number; id: string }
+	| { type: "chat"; from?: string; text: string };
+
+export const MAX_NAME_LENGTH = 16;
+export const MAX_CHAT_LENGTH = 256;