Commented the rest of the loop() logic

svn-id: r45606

engines/draci/game.cpp

@@ -242,8 +242,9 @@ void Game::init() {
 
 void Game::loop() {
 	// Can run both as an outer and inner loop.  In both mode it updates
-	// the screen according to the timer.  It the outer mode it also reacts
-	// to user events.  In the inner mode, the loop runs until its stopping
+	// the screen according to the timer.  It the outer mode
+	// (kSubstatusOrdinary) it also reacts to user events.  In the inner
+	// mode (all other kSubstatus* enums), the loop runs until its stopping
 	// condition, possibly stopping earlier if the user interrupts it,
 	// however no other user intervention is allowed.
 	Surface *surface = _vm->_screen->getSurface();
@@ -303,6 +304,8 @@ void Game::loop() {
 			updateCursor();
 			updateTitle();
 
+			// During the normal game-play, in particular not when
+			// running the init-scripts, enable interactivity.
 			if (_loopStatus == kStatusOrdinary && _loopSubstatus == kSubstatusOrdinary) {
 				if (_vm->_mouse->lButtonPressed()) {
 					_vm->_mouse->lButtonSet(false);

engines/draci/game.h

@@ -159,17 +159,17 @@ struct Room {
 };
 
 enum LoopStatus {
-	kStatusOrdinary,
-	kStatusGate,
-	kStatusInventory,
-	kStatusDialogue
+	kStatusOrdinary,	// normal game-play: everything allowed
+	kStatusGate,		// during running init-scripts when entering a room: disable interactivity
+	kStatusInventory,	// inventory is open: cannot change the room or go to map
+	kStatusDialogue		// during a dialogue: cannot change the room, go to inventory
 };
 
 enum LoopSubstatus {
-	kSubstatusOrdinary,
-	kSubstatusTalk,
-	kSubstatusFade,
-	kSubstatusStrange
+	kSubstatusOrdinary,	// outer loop: everything is allowed
+	kSubstatusTalk,		// playing a voice: inner loop will exit afterwards
+	kSubstatusFade,		// fading a palette: inner loop will exit when done
+	kSubstatusStrange	// other inner loop: either immediately exiting or waiting for an animation to end (whose callback ends the loop)
 };
 
 class Game {