Game engine now handles damage types but Ineed to refine the state machines so some of them can take additional data.

builder.cpp

@@ -91,7 +91,7 @@ void Builder::building(BuildEvent ev) {
 
     if(m.match) {
       gui.output(format("HIT WITH {} @ {}:{}:{} {}", m.type, m.file_name, m.lnumber, m.col, m.message));
-      game.event(GameEvent::HIT);
+      game.event(GameEvent::HIT, m.type);
     }
     state(READING);
   }

game_engine.cpp

@@ -61,20 +61,23 @@ void GameEngine::idle(GameEvent ev) {
   }
 }
 
-void GameEngine::in_round(GameEvent ev) {
-  if(ev == GameEvent::HIT) {
-    string er_type = "error";
-    hit(er_type); // FIXME: bring back error type
+void GameEngine::in_round(GameEvent ev, string &hit_type) {
+  switch(ev) {
+    case GameEvent::HIT:
+      hit(hit_type); // FIXME: bring back error type
       if(is_dead()) {
         state(GameState::DEAD);
       } else {
         state(GameState::IN_ROUND);
       }
-  } else if(ev == GameEvent::BUILD_SUCCESS) {
+      break;
+    case GameEvent::BUILD_SUCCESS:
       state(GameState::SUCCESS);
-  } else if(ev == GameEvent::BUILD_FAILED) {
+      break;
+    case GameEvent::BUILD_FAILED:
       state(GameState::FAILURE);
-  } else {
+      break;
+    default:
       state(GameState::IN_ROUND);
   }
 }

game_engine.hpp

@@ -5,6 +5,7 @@
 #include <array>
 #include <sstream>
 #include "fsm.hpp"
+#include <fmt/core.h>
 
 using std::string;
 
@@ -41,21 +42,35 @@ class GameEngine : DeadSimpleFSM<GameState, GameEvent> {
   int determine_damage(string &type);
   bool is_dead();
 
+  void event(GameEvent ev, string &hit_type) {
+    switch(_state) {
+      case GameState::IN_ROUND:
+        in_round(ev, hit_type);
+        break;
+      default:
+        event(ev);
+    }
+  }
+
   void event(GameEvent ev) {
     switch(_state) {
       FSM_STATE(GameState::START, start, ev);
       FSM_STATE(GameState::IDLE, idle, ev);
-      FSM_STATE(GameState::IN_ROUND, in_round, ev);
       FSM_STATE(GameState::DEAD, dead, ev);
       FSM_STATE(GameState::SUCCESS, success, ev);
       FSM_STATE(GameState::FAILURE, failure, ev);
+      case GameState::IN_ROUND: {
+        string hit_type = "";
+        in_round(ev, hit_type);
+        }
+        break;
     }
   }
 
   // FSM to replace the others
   void start(GameEvent ev);
   void idle(GameEvent ev);
-  void in_round(GameEvent ev);
+  void in_round(GameEvent ev, string &hit_type);
   void dead(GameEvent ev);
   void success(GameEvent ev);
   void failure(GameEvent ev);