fix some medkit behaviour

apply "soldiersRevived" when using stimulants

don't apply "soldiersRevived" multiple times
when healing wounds on unconscious units and waking them up

exit the screen if an unconscious unit has had
all wounds healed and was woken up in the process

src/Battlescape/MedikitState.cpp

@@ -119,7 +119,7 @@ MedikitButton::MedikitButton(int y) : InteractiveSurface(30, 20, 190, y)
  * @param targetUnit The wounded unit.
  * @param action The healing action.
  */
-MedikitState::MedikitState (BattleUnit *targetUnit, BattleAction *action) : _targetUnit(targetUnit), _action(action)
+MedikitState::MedikitState (BattleUnit *targetUnit, BattleAction *action) : _targetUnit(targetUnit), _action(action), _revivedTarget(false)
 {
 	if (Options::maximizeInfoScreens)
 	{
@@ -228,11 +228,20 @@ void MedikitState::onHealClick(Action *)
 		_medikitView->updateSelectedPart();
 		_medikitView->invalidate();
 		update();
-
+		
 		if (_targetUnit->getStatus() == STATUS_UNCONSCIOUS && _targetUnit->getStunlevel() < _targetUnit->getHealth() && _targetUnit->getHealth() > 0)
 		{
-			_targetUnit->setTimeUnits(0);
-			_action->actor->getStatistics()->revivedSoldier++;
+			if (!_revivedTarget)
+			{
+				_targetUnit->setTimeUnits(0);
+				_action->actor->getStatistics()->revivedSoldier++;
+				_revivedTarget = true;
+			}
+			// if the unit has revived and has no more wounds, we quit this screen automatically
+			if (_targetUnit->getFatalWounds() == 0)
+			{
+				onEndClick(0);
+			}
 		}
 		_unit->getStatistics()->woundsHealed++;
 	}
@@ -266,6 +275,7 @@ void MedikitState::onStimulantClick(Action *)
 		if (_targetUnit->getStatus() == STATUS_UNCONSCIOUS && _targetUnit->getStunlevel() < _targetUnit->getHealth() && _targetUnit->getHealth() > 0)
 		{
 			_targetUnit->setTimeUnits(0);
+			_action->actor->getStatistics()->revivedSoldier++;
 			onEndClick(0);
 		}
 	}

src/Battlescape/MedikitState.h

@@ -42,6 +42,7 @@ class MedikitState : public State
 	BattleItem *_item;
 	BattleAction *_action;
 	int _tu;
+	bool _revivedTarget;
 	/// Handler for the end button.
 	void onEndClick(Action *action);
 	/// Handler for the heal button.