simplify datagrams

world/schemas/datagram.capnp

@@ -1,28 +1,25 @@
 @0x875d2f2c381d4863;
 
 struct Vec3 {
-  x @0 :Float32 = 0.0;
-  y @1 :Float32 = 0.0;
-  z @2 :Float32 = 0.0;
+  x @0 :Float32;
+  y @1 :Float32;
+  z @2 :Float32;
 }
 
 struct Vec4 {
-  x @0 :Float32 = 0.0;
-  y @1 :Float32 = 0.0;
-  z @2 :Float32 = 0.0;
-  w @3 :Float32 = 0.0;
-}
-
-struct Transform {
-  translation @0 :Vec3 = (x = 0.0, y = 0.0, z = 0.0);
-  rotation @1 :Vec4 = (x = 0.0, y = 0.0, z = 0.0, w = 0.0);
+  x @0 :Float32;
+  y @1 :Float32;
+  z @2 :Float32;
+  w @3 :Float32;
 }
 
 struct PublishTransform {
-  transform @0 :Transform;
+  translation @0 :Vec3;
+  rotation @1 :Vec4;
 }
 
 struct ReceiveTransform {
   playerId @0 :UInt16;
-  transform @1 :Transform;
+  translation @1 :Vec3;
+  rotation @2 :Vec4;
 }

world/schemas/world_server.capnp

@@ -2,38 +2,38 @@
 
 struct Option(T) {
   union {
-    some @0: T;
-    none @1: Void;
+    some @0 :T;
+    none @1 :Void;
   }
 }
 
 struct Result(T) {
   union {
-    result @0: T;
-    error @1: Text;
+    result @0 :T;
+    error @1 :Text;
   }
 }
 
 struct Success {
   union {
-    success @0: Void;
-    error @1: Text;
+    success @0 :Void;
+    error @1 :Text;
   }
 }
 
 interface WorldServer {
-  join @0 (recordId: Text) -> (success: Success);
-  leave @1 (recordId: Text);
+  join @0 (recordId :Text) -> (success :Success);
+  leave @1 (recordId :Text);
 
   # Tickrate of the server, in seconds.
-  # Sending updates faster than this interval will be detrimental.
-  tickrate @2 () -> (tickrate: Float32);
+  # Sending updates faster than this will be detrimental.
+  tickrate @2 () -> (tickrate :Float32);
 
-  player @3 (id: UInt16) -> (player: Option(Player));
-  players @4 () -> (players: List(Player));
+  player @3 (id :UInt16) -> (player :Option(Player));
+  players @4 () -> (players :List(Player));
 
   struct Player {
-    id @0: UInt16;
-    did @1: Text;
+    id @0 :UInt16;
+    did @1 :Text;
   }
 }