Added preliminary code for following walker support in BRA.

svn-id: r38837

6 files changed, 37 insertions, 15 deletions

diff --git a/engines/parallaction/exec_br.cpp b/engines/parallaction/exec_br.cpp
index adc89b8e94..09d8043ab7 100644
--- a/engines/parallaction/exec_br.cpp
+++ b/engines/parallaction/exec_br.cpp
@@ -154,7 +154,7 @@ DECLARE_COMMAND_OPCODE(drop) {
 
 
 DECLARE_COMMAND_OPCODE(move) {
-	_vm->scheduleWalk(_ctxt.cmd->u._move.x, _ctxt.cmd->u._move.y);
+	_vm->scheduleWalk(_ctxt.cmd->u._move.x, _ctxt.cmd->u._move.y, false);
 	suspend();
 }
 
@@ -174,7 +174,11 @@ DECLARE_COMMAND_OPCODE(character) {
 
 
 DECLARE_COMMAND_OPCODE(followme) {
-	warning("Parallaction_br::cmdOp_followme not yet implemented");
+	Common::String s(_ctxt.cmd->u._string);
+	if (!s.compareToIgnoreCase("NULL")) {
+		s.clear();
+	}
+	_vm->setFollower(s);
 }
 
 
diff --git a/engines/parallaction/exec_ns.cpp b/engines/parallaction/exec_ns.cpp
index b2922cedae..0c802f3249 100644
--- a/engines/parallaction/exec_ns.cpp
+++ b/engines/parallaction/exec_ns.cpp
@@ -175,7 +175,7 @@ DECLARE_INSTRUCTION_OPCODE(move) {
 	int16 x = inst->_opA.getValue();
 	int16 y = inst->_opB.getValue();
 
-	_vm->scheduleWalk(x, y);
+	_vm->scheduleWalk(x, y, false);
 }
 
 DECLARE_INSTRUCTION_OPCODE(endscript) {
@@ -286,7 +286,7 @@ DECLARE_COMMAND_OPCODE(quit) {
 
 
 DECLARE_COMMAND_OPCODE(move) {
-	_vm->scheduleWalk(_ctxt.cmd->u._move.x, _ctxt.cmd->u._move.y);
+	_vm->scheduleWalk(_ctxt.cmd->u._move.x, _ctxt.cmd->u._move.y, false);
 }
 
 
diff --git a/engines/parallaction/input.cpp b/engines/parallaction/input.cpp
index b2bee2fce1..8dd17cd322 100644
--- a/engines/parallaction/input.cpp
+++ b/engines/parallaction/input.cpp
@@ -269,7 +269,7 @@ void Input::takeAction(ZonePtr z) {
 void Input::walkTo(const Common::Point &dest) {
 	stopHovering();
 	setArrowCursor();
-	_vm->scheduleWalk(dest.x, dest.y);
+	_vm->scheduleWalk(dest.x, dest.y, true);
 }
 
 bool Input::translateGameInput() {
diff --git a/engines/parallaction/parallaction.h b/engines/parallaction/parallaction.h
index c332c5d860..55eeabfa85 100644
--- a/engines/parallaction/parallaction.h
+++ b/engines/parallaction/parallaction.h
@@ -367,7 +367,7 @@ public:
 	virtual void runPendingZones() = 0;
 	virtual void cleanupGame() = 0;
 	virtual void updateWalkers() = 0;
-	virtual void scheduleWalk(int16 x, int16 y) = 0;
+	virtual void scheduleWalk(int16 x, int16 y, bool fromUser) = 0;
 	virtual DialogueManager *createDialogueManager(ZonePtr z) = 0;
 };
 
@@ -391,7 +391,7 @@ public:
 	virtual void runPendingZones();
 	virtual void cleanupGame();
 	virtual void updateWalkers();
-	virtual void scheduleWalk(int16 x, int16 y);
+	virtual void scheduleWalk(int16 x, int16 y, bool fromUser);
 
 	virtual DialogueManager *createDialogueManager(ZonePtr z);
 
@@ -490,8 +490,7 @@ public:
 	virtual void runPendingZones();
 	virtual void cleanupGame();
 	virtual void updateWalkers();
-	virtual void scheduleWalk(int16 x, int16 y);
-
+	virtual void scheduleWalk(int16 x, int16 y, bool fromUser);
 	virtual DialogueManager *createDialogueManager(ZonePtr z);
 
 	void setupSubtitles(char *s, char *s2, int y);
@@ -504,6 +503,8 @@ public:
 	int		getCounterValue(const Common::String &name);
 	void	setCounterValue(const Common::String &name, int value);
 
+	void	setFollower(const Common::String &name);
+
 	const char **_audioCommandsNamesRes;
 	static const char *_partNames[];
 	int			_part;
@@ -537,6 +538,8 @@ private:
 	const Callable *_callables;
 	static const Callable _dosCallables[6];
 
+	Common::String		_followerName;
+	AnimationPtr		_follower;
 	PathWalker_BR		*_walker;
 
 	// dos callables
diff --git a/engines/parallaction/parallaction_br.cpp b/engines/parallaction/parallaction_br.cpp
index 4bb239d197..4cfada2bc7 100644
--- a/engines/parallaction/parallaction_br.cpp
+++ b/engines/parallaction/parallaction_br.cpp
@@ -261,6 +261,8 @@ void Parallaction_br::changeLocation(char *location) {
 	// load new location
 	parseLocation(location);
 
+	setFollower(_followerName);
+
 	if (_location._startPosition.x != -1000) {
 		_char.setFoot(_location._startPosition);
 		_char._ani->setF(_location._startFrame);
@@ -401,7 +403,7 @@ void Parallaction_br::updateWalkers() {
 	_walker->walk();
 }
 
-void Parallaction_br::scheduleWalk(int16 x, int16 y) {
+void Parallaction_br::scheduleWalk(int16 x, int16 y, bool fromUser) {
 	AnimationPtr a = _char._ani;
 
 	if ((a->_flags & kFlagsRemove) || (a->_flags & kFlagsActive) == 0) {
@@ -409,13 +411,26 @@ void Parallaction_br::scheduleWalk(int16 x, int16 y) {
 	}
 
 	_walker->setCharacterPath(a, x, y);
-#if 0
-	if (_follower && _userEvent) {
-		_walker->setFollowerPath(_follower, x, y);
+
+	if (!fromUser) {
+		_walker->stopFollower();
+	} else {
+		if (_follower) {
+			_walker->setFollowerPath(_follower, x, y);
+		}
 	}
-#endif
+
 	_engineFlags |= kEngineWalking;
 }
 
+void Parallaction_br::setFollower(const Common::String &name) {
+	if (name.empty()) {
+		_followerName.clear();
+		_follower.reset();
+	} else {
+		_followerName = name;
+		_follower = _location.findAnimation(name.c_str());
+	}
+}
 
 } // namespace Parallaction
diff --git a/engines/parallaction/parallaction_ns.cpp b/engines/parallaction/parallaction_ns.cpp
index 23df87b903..9cd8d5cf84 100644
--- a/engines/parallaction/parallaction_ns.cpp
+++ b/engines/parallaction/parallaction_ns.cpp
@@ -497,7 +497,7 @@ void Parallaction_ns::updateWalkers() {
 }
 
 
-void Parallaction_ns::scheduleWalk(int16 x, int16 y) {
+void Parallaction_ns::scheduleWalk(int16 x, int16 y, bool fromUser) {
 	AnimationPtr a = _char._ani;
 
 	if ((a->_flags & kFlagsRemove) || (a->_flags & kFlagsActive) == 0) {