Cleanup of Zone/Animation removal code. Only the good god of void pointers knows how it managed to work until now.

svn-id: r26430

engines/parallaction/callables.cpp

@@ -413,12 +413,10 @@ void _c_finito(void *parm) {
 
 	// TODO (LIST): this sequence should be just _zones.clear()
 	_vm->freeZones(_vm->_zones._next);
-	freeNodeList(_vm->_zones._next);
 	_vm->_zones._next = NULL;
 
 	// TODO (LIST): this sequence should be just _animations.clear()
-	_vm->freeZones(_vm->_animations._next);
+	_vm->freeAnimations();
-	freeNodeList(_vm->_animations._next);
 	_vm->_animations._next = NULL;
 
 	// this dangerous flag can now be cleared

engines/parallaction/location.cpp

@@ -195,22 +195,13 @@ void Parallaction::freeLocation() {
 	// but that'll pretty meaningless with a single list approach.
 	helperNode._prev = helperNode._next = NULL;
 	freeZones(_zones._next);
-	freeNodeList(_zones._next);
 	_zones._next = helperNode._next;
 	_zones._prev = helperNode._prev;
-//	memcpy(&_zones, &helperNode, sizeof(Node));
 	debugC(7, kDebugLocation, "freeLocation: zones freed");
 
-	// TODO (LIST): helperNode should be rendered useless by the use of a Common::List<>
-	// to store Zones and Animations. Right now, it holds a list of Zones to be preserved
-	// but that'll pretty meaningless with a single list approach.
-	helperNode._prev = helperNode._next = NULL;
-	freeZones(_animations._next);
 	freeAnimations();
-	freeNodeList(_animations._next);
+	_animations._next = 0;
-	_animations._next = helperNode._next;
+	_animations._prev = 0;
-	_animations._prev = helperNode._prev;
-//	memcpy(&_animations, &helperNode, sizeof(Node));
 	debugC(7, kDebugLocation, "freeLocation: animations freed");
 
 	if (_location._comment) {

engines/parallaction/parallaction.cpp

@@ -805,19 +805,6 @@ void Parallaction::changeCharacter(const char *name) {
 	return;
 }
 
-// TODO (LIST): this rouinte basically performs List<>::clear()
-// so it will become useless
-void freeNodeList(Node *list) {
-
-	while (list) {
-		Node *v4 = list->_next;
-		free(list);
-		list = v4;
-	}
-
-	return;
-}
-
 // TODO (LIST): this routine will be removed
 void addNode(Node *list, Node *n) {
 

engines/parallaction/parallaction.h

@@ -199,7 +199,7 @@ void waitUntilLeftClick();
 
 void addNode(Node *list, Node *n);
 void removeNode(Node *n);
-void freeNodeList(Node *list);
+
 
 
 

engines/parallaction/saveload.cpp

@@ -81,14 +81,14 @@ void Parallaction::doLoadGame(uint16 slot) {
 
 	f->readLine(s, 15);
 
-	// TODO (LIST): the very same code can be found in _c_finito().
+	// TODO (LIST): unify (and parametrize) calls to freeZones.
-	// Why aren't we clearing Animations too, anyway?
+	// We aren't calling freeAnimations because it is not needed, since
+	// kChangeLocation will trigger a complete deletion. Anyway, we still
+	// need to invoke freeZones here with kEngineQuit set, because the
+	// call in changeLocation preserve certain zones.
 	_engineFlags |= kEngineQuit;
-
 	freeZones(_zones._next);
-	freeNodeList(_zones._next);
 	_zones._next = NULL;
-
 	_engineFlags &= ~kEngineQuit;
 
 	_numLocations = atoi(s);