Clarified various incorrectly named parameters, and fixed code for loading the correct art file backgrounds when running animation sequences

svn-id: r49595

6 files changed, 17 insertions, 11 deletions

diff --git a/engines/m4/animation.cpp b/engines/m4/animation.cpp
index 1142ba48d1..dacfd8c581 100644
--- a/engines/m4/animation.cpp
+++ b/engines/m4/animation.cpp
@@ -63,7 +63,7 @@ MadsAnimation::~MadsAnimation() {
 /**
  * Initialises and loads the data of an animation
  */
-void MadsAnimation::initialise(const Common::String &filename, uint16 flags, M4Surface *interfaceSurface, M4Surface *sceneSurface) {
+void MadsAnimation::initialise(const Common::String &filename, uint16 flags, M4Surface *surface, M4Surface *depthSurface) {
 	MadsPack anim(filename.c_str(), _vm);
 	bool madsRes = filename[0] == '*';
 	char buffer[20];
@@ -114,7 +114,7 @@ void MadsAnimation::initialise(const Common::String &filename, uint16 flags, M4S
 	if (_animMode == 4)
 		flags |= 0x4000;
 	if (flags & 0x100)
-		loadInterface(interfaceSurface, sceneSurface);
+		loadInterface(surface, depthSurface);
 
 	// Initialise the reference list
 	for (int i = 0; i < spriteListCount; ++i)
diff --git a/engines/m4/animation.h b/engines/m4/animation.h
index 5c7227a256..029cf45738 100644
--- a/engines/m4/animation.h
+++ b/engines/m4/animation.h
@@ -108,7 +108,7 @@ public:
 	MadsAnimation(MadsM4Engine *vm, MadsView *view);
 	virtual ~MadsAnimation();
 
-	virtual void initialise(const Common::String &filename, uint16 flags, M4Surface *interfaceSurface, M4Surface *sceneSurface);
+	virtual void initialise(const Common::String &filename, uint16 flags, M4Surface *surface, M4Surface *depthSurface);
 	virtual void load(const Common::String &filename, int abortTimers);
 	virtual void update();
 	virtual void setCurrentFrame(int frameNumber);
diff --git a/engines/m4/mads_anim.cpp b/engines/m4/mads_anim.cpp
index eac6d1b4aa..c618ae57cc 100644
--- a/engines/m4/mads_anim.cpp
+++ b/engines/m4/mads_anim.cpp
@@ -458,6 +458,8 @@ AnimviewView::AnimviewView(MadsM4Engine *vm):
 	_previousUpdate = 0;
 	_transition = kTransitionNone;
 	_activeAnimation = NULL;
+	_bgLoadFlag = true;
+	
 	reset();
 
 	// Set up system palette colors
@@ -572,12 +574,12 @@ void AnimviewView::readNextCommand() {
 	if (strchr(_currentLine, '.') == NULL)
 		strcat(_currentLine, ".aa");
 
-	_activeAnimation = new MadsAnimation(_vm, this);
-	_activeAnimation->load(_currentLine, 0);
+	uint16 flags = 0;
+	if (_bgLoadFlag)
+		flags |= 0x100;
 
-	_backgroundSurface.loadBackground(_activeAnimation->roomNumber());
-	_codeSurface.setSize(_backgroundSurface.width(), _backgroundSurface.height());
-	_codeSurface.fillRect(_codeSurface.bounds(), 0xff);
+	_activeAnimation = new MadsAnimation(_vm, this);
+	_activeAnimation->initialise(_currentLine, flags, &_backgroundSurface, &_codeSurface);
 
 	_spriteSlots.fullRefresh();
 /*
@@ -675,7 +677,10 @@ void AnimviewView::processCommand() {
 	str_upper(commandStr);
 	char *param = commandStr;
 
-	if (!strncmp(commandStr, "X", 1)) {
+	if (!strncmp(commandStr, "B", 1)) {
+		// Toggle background load flag
+		_bgLoadFlag = !_bgLoadFlag;
+	} else if (!strncmp(commandStr, "X", 1)) {
 		//printf("X ");
 	} else if (!strncmp(commandStr, "W", 1)) {
 		//printf("W ");
diff --git a/engines/m4/mads_anim.h b/engines/m4/mads_anim.h
index 8c4a5e6fb7..f18fe46f48 100644
--- a/engines/m4/mads_anim.h
+++ b/engines/m4/mads_anim.h
@@ -90,6 +90,7 @@ private:
 	RGBList *_palData;
 	int _transition;
 	MadsAnimation *_activeAnimation;
+	bool _bgLoadFlag;
 
 	void reset();
 	void readNextCommand();
diff --git a/engines/m4/mads_scene.cpp b/engines/m4/mads_scene.cpp
index a65224c722..f98684de6a 100644
--- a/engines/m4/mads_scene.cpp
+++ b/engines/m4/mads_scene.cpp
@@ -720,7 +720,7 @@ void MadsSceneResources::load(int sceneNumber, const char *resName, int v0, M4Su
 	_vm->_resourceManager->toss(sceneName);
 
 	// Load the surface artwork
-	surface->loadBackground(sceneNumber);
+	surface->loadBackground(artFileNum);
 
 	// Final cleanup
 	if (ssFlag)
diff --git a/engines/m4/mads_views.h b/engines/m4/mads_views.h
index 85bfe9e552..c0f3790a23 100644
--- a/engines/m4/mads_views.h
+++ b/engines/m4/mads_views.h
@@ -367,7 +367,7 @@ protected:
 public:
 	Animation(MadsM4Engine *vm);
 	virtual ~Animation();
-	virtual void initialise(const Common::String &filename, uint16 flags, M4Surface *walkSurface, M4Surface *sceneSurface) = 0;
+	virtual void initialise(const Common::String &filename, uint16 flags, M4Surface *surface, M4Surface *depthSurface) = 0;
 	virtual void load(const Common::String &filename, int v0) = 0;
 	virtual void update() = 0;
 	virtual void setCurrentFrame(int frameNumber) = 0;