Updated world service to become a manager of game logic instances for each map.

proto/game_logic.proto

@@ -0,0 +1,52 @@
+syntax = "proto3";
+
+package game_logic;
+
+service GameLogicService {
+  rpc GetCharacter(CharacterRequest) returns (CharacterResponse);
+  rpc MoveCharacter(CharacterMoveRequest) returns (CharacterMoveResponse);
+  rpc GetTargetHp(ObjectHpRequest) returns (ObjectHpResponse);
+}
+
+message CharacterRequest {
+  string token = 1;
+  string user_id = 2;
+  string char_id = 3;
+  string session_id = 4;
+}
+
+message CharacterResponse {
+  int32 count = 1;
+}
+
+message CharacterMoveRequest {
+  string session_id = 1;
+  uint32 target_id = 2;
+  float x = 3;
+  float y = 4;
+  float z = 5;
+}
+
+message CharacterMoveResponse {
+  int32 id = 1;
+  int32 target_id = 2;
+  int32 distance = 3;
+  float x = 4;
+  float y = 5;
+  float z = 6;
+}
+
+message AttackRequest {
+  string session_id = 1;
+  uint32 target_id = 2;
+}
+
+message ObjectHpRequest {
+  string session_id = 1;
+  uint32 target_id = 2;
+}
+
+message ObjectHpResponse {
+  uint32 target_id = 1;
+  int32 hp = 2;
+}