From ae4ea4d98944b9add05fac5f0efb053657fe82c3 Mon Sep 17 00:00:00 2001
From: Max Horn
Date: Mon, 25 Dec 2006 17:21:54 +0000
Subject: Introduced ActorOldWalk subclass of Actor (for V1-V3 walk code)

svn-id: r24924
---
 engines/scumm/actor.cpp | 11 +++--------
 engines/scumm/actor.h   | 16 ++++++++++++----
 engines/scumm/boxes.cpp |  2 +-
 engines/scumm/scumm.cpp |  2 ++
 4 files changed, 18 insertions(+), 13 deletions(-)

diff --git a/engines/scumm/actor.cpp b/engines/scumm/actor.cpp
index 1d3d92eece..f8e46b335d 100644
--- a/engines/scumm/actor.cpp
+++ b/engines/scumm/actor.cpp
@@ -207,14 +207,9 @@ void Actor::setupActorScale() {
 
 
 void ScummEngine::walkActors() {
-	int i;
-
-	for (i = 1; i < _numActors; i++) {
+	for (int i = 1; i < _numActors; ++i) {
 		if (_actors[i]->isInCurrentRoom())
-			if (_game.version <= 3)
-				_actors[i]->walkActorOld();
-			else
-				_actors[i]->walkActor();
+			_actors[i]->walkActor();
 	}
 }
 
@@ -576,7 +571,7 @@ void Actor::walkActorV12() {
 }
 */
 
-void Actor::walkActorOld() {
+void ActorOldWalk::walkActor() {
 	Common::Point p2, p3;	// Gate locations
 	int new_dir, next_box;
 
diff --git a/engines/scumm/actor.h b/engines/scumm/actor.h
index 7576b9aa95..fb2e91f779 100644
--- a/engines/scumm/actor.h
+++ b/engines/scumm/actor.h
@@ -211,8 +211,7 @@ public:
 	void setDirection(int direction);
 	void faceToObject(int obj);
 	void turnToDirection(int newdir);
-	void walkActor();
-	void walkActorOld();
+	virtual void walkActor();
 	void drawActorToBackBuf(int x, int y);
 	void drawActorCostume(bool hitTestMode = false);
 	void animateCostume();
@@ -315,16 +314,25 @@ protected:
 	bool isPlayer();
 
 	bool findPathTowards(byte box, byte box2, byte box3, Common::Point &foundPath);
+};
+
+class ActorOldWalk : public Actor {
+public:
+	ActorOldWalk(int id) : Actor(id) {}
+
+	virtual void walkActor();
+
+protected:
 	void findPathTowardsOld(byte box, byte box2, byte box3, Common::Point &p2, Common::Point &p3);
 };
 
-class ActorC64 : public Actor {
+class ActorC64 : public ActorOldWalk {
 public:
 	// FIXME: This flag is never saved, which might lead to broken save states.
 	byte _miscflags;
 
 public:
-	ActorC64(int id) : Actor(id) {}
+	ActorC64(int id) : ActorOldWalk(id) {}
 	virtual void initActor(int mode) {
 		if (mode == -1) {
 			_miscflags = 0;
diff --git a/engines/scumm/boxes.cpp b/engines/scumm/boxes.cpp
index 22882a82e8..d00e7a8bc0 100644
--- a/engines/scumm/boxes.cpp
+++ b/engines/scumm/boxes.cpp
@@ -1135,7 +1135,7 @@ bool ScummEngine::areBoxesNeighbours(int box1nr, int box2nr) {
 	return false;
 }
 
-void Actor::findPathTowardsOld(byte box1, byte box2, byte finalBox, Common::Point &p2, Common::Point &p3) {
+void ActorOldWalk::findPathTowardsOld(byte box1, byte box2, byte finalBox, Common::Point &p2, Common::Point &p3) {
 	Common::Point pt;
 	Common::Point gateA[2];
 	Common::Point gateB[2];
diff --git a/engines/scumm/scumm.cpp b/engines/scumm/scumm.cpp
index 672438b344..96675fa9f0 100644
--- a/engines/scumm/scumm.cpp
+++ b/engines/scumm/scumm.cpp
@@ -1248,6 +1248,8 @@ void ScummEngine::resetScumm() {
 	for (i = 0; i < _numActors; ++i) {
 		if (_game.version == 0)
 			_actors[i] = new ActorC64(i);
+		else if (_game.version <= 3)
+			_actors[i] = new ActorOldWalk(i);
 		else
 			_actors[i] = new Actor(i);
 		_actors[i]->initActor(1);
-- 
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