Migrating front protobuf encode/decode to ts-proto lib

The ts-proto lib has the huge advantage of producing code the "Typescript" way and not the "Java" way.
In particular, for "oneof" types in protobuf, it is generating "ADT" that can be used to check if we forgot or not to deal with a type.

front/src/Network/ProtobufClientUtils.ts

@@ -1,21 +1,21 @@
-import { PositionMessage } from "../Messages/generated/messages_pb";
-import Direction = PositionMessage.Direction;
+import { PositionMessage, PositionMessage_Direction } from "../Messages/ts-proto-generated/messages";
+
 import type { PointInterface } from "../Connexion/ConnexionModels";
 
 export class ProtobufClientUtils {
     public static toPointInterface(position: PositionMessage): PointInterface {
         let direction: string;
-        switch (position.getDirection()) {
-            case Direction.UP:
+        switch (position.direction) {
+            case PositionMessage_Direction.UP:
                 direction = "up";
                 break;
-            case Direction.DOWN:
+            case PositionMessage_Direction.DOWN:
                 direction = "down";
                 break;
-            case Direction.LEFT:
+            case PositionMessage_Direction.LEFT:
                 direction = "left";
                 break;
-            case Direction.RIGHT:
+            case PositionMessage_Direction.RIGHT:
                 direction = "right";
                 break;
             default:
@@ -24,10 +24,10 @@ export class ProtobufClientUtils {
 
         // sending to all clients in room except sender
         return {
-            x: position.getX(),
-            y: position.getY(),
+            x: position.x,
+            y: position.y,
             direction,
-            moving: position.getMoving(),
+            moving: position.moving,
         };
     }
 }