MADS: Minor renamings and added display of walk nodes to debugger

4 files changed, 24 insertions, 2 deletions

diff --git a/engines/mads/action.cpp b/engines/mads/action.cpp
index c2cc05e917..c762b9b993 100644
--- a/engines/mads/action.cpp
+++ b/engines/mads/action.cpp
@@ -78,7 +78,7 @@ void MADSAction::checkCustomDest(int v) {
 	Player &player = _vm->_game->_player;
 
 	if (_v86F4A && (v == -3 || _savedFields._selectedRow < 0)) {
-		_vm->_game->_player._needToWalk = true;
+		player._needToWalk = true;
 		player._prepareWalkPos = scene._customDest;
 	}
 }
diff --git a/engines/mads/debugger.cpp b/engines/mads/debugger.cpp
index 3bc4ed2c16..58bf8388e4 100644
--- a/engines/mads/debugger.cpp
+++ b/engines/mads/debugger.cpp
@@ -125,9 +125,19 @@ bool Debugger::Cmd_PlaySound(int argc, const char **argv) {
 bool Debugger::Cmd_ShowCodes(int argc, const char **argv) {
 	Scene &scene = _vm->_game->_scene;
 
+	// Copy the depth/walk surface to the background and flag for screen refresh
 	scene._depthSurface.copyTo(&scene._backgroundSurface);
 	scene._spriteSlots.fullRefresh();
 
+	// Draw the locations of scene nodes onto the background
+	int color = _vm->getRandomNumber(255);
+	for (int i = 0; i < (int)scene._sceneInfo->_nodes.size(); ++i) {
+		Common::Point &pt = scene._sceneInfo->_nodes[i]._walkPos;
+
+		scene._backgroundSurface.hLine(pt.x - 2, pt.y, pt.x + 2, color);
+		scene._backgroundSurface.vLine(pt.x, pt.y - 2, pt.y + 2, color);
+	}
+
 	return false;
 }
 
diff --git a/engines/mads/player.cpp b/engines/mads/player.cpp
index 3625493657..1705b117ba 100644
--- a/engines/mads/player.cpp
+++ b/engines/mads/player.cpp
@@ -768,7 +768,15 @@ void Player::newWalk() {
 }
 
 void Player::addWalker(int walker, int trigger) {
-	warning("TODO: Player::addWalker");
+	Scene &scene = _vm->_game->_scene;
+	SpriteAsset &spriteSet = *scene._sprites[_spritesStart + _spritesIdx];
+	assert(spriteSet._charInfo);
+
+	if (walker < spriteSet._charInfo->_numEntries && _stopWalkerIndex < 11) {
+		++_stopWalkerIndex;
+		_stopWalkerList[_stopWalkerIndex] = walker;
+		_stopWalkerTrigger[_stopWalkerIndex] = trigger;
+	}
 }
 
 } // End of namespace MADS
diff --git a/engines/mads/scene.cpp b/engines/mads/scene.cpp
index f61928f6d0..b8b8888e53 100644
--- a/engines/mads/scene.cpp
+++ b/engines/mads/scene.cpp
@@ -136,6 +136,10 @@ void Scene::loadScene(int sceneId, const Common::String &prefix, bool palFlag) {
 	for (uint i = 0; i < _sceneInfo->_nodes.size(); ++i)
 		_nodes.push_back(_sceneInfo->_nodes[i]);
 
+	// Add two more empty nodes for the start and end points of any walk sequence
+	_nodes.push_back(SceneNode());
+	_nodes.push_back(SceneNode());
+
 	// Load hotspots
 	loadHotspots();