Make the game engine use a start/end round and do healing if you don't make any mistakes.

builder.cpp

@@ -40,7 +40,7 @@ void Builder::run_build(GameEngine &game, const char* command) {
   FILE *build_out = popen(command, "r");
   dbc::check(build_out != nullptr, "Failed to run command.");
 
-  int hit_count = 0;
+  game.start_round();
 
   while(fgets(buffer, BUF_MAX, build_out) != nullptr) {
     string line(buffer);  // yeah, that's probably a problem
@@ -63,7 +63,6 @@ void Builder::run_build(GameEngine &game, const char* command) {
       gui.output(format("\nHIT WITH {} @ {}:{}:{} {}", type, file_name, lnumber, col, message));
 
       game.hit(type);
-      ++hit_count;
 
       // refactor this
       if(game.is_dead()) {
@@ -72,9 +71,7 @@ void Builder::run_build(GameEngine &game, const char* command) {
     }
   }
 
-  if(hit_count == 0) {
-    game.heal(10);
-  }
+  game.end_round();
 
   int rc = pclose(build_out);
   if(rc == 0) {