6 files changed, 32 insertions, 20 deletions

diff --git a/src/model/asefile.cc b/src/model/asefile.cc
index f02c450..0275603 100644
--- a/src/model/asefile.cc
+++ b/src/model/asefile.cc
@@ -686,8 +686,9 @@ Model *ASEFile::load(const std::string &name)
 	model->model_maxbbox.assign (asefile.ase_maxbbox * SCALE);
 	model->set_radius(math::max(model->model_minbbox.length(), model->model_maxbbox.length()));
 	
-	for (FragmentGroup::iterator fit = asefile.fragmentgroup()->begin(); fit != asefile.fragmentgroup()->end(); fit++) {
-		Fragment *fragment = (*fit);
+	for (FragmentGroup::Fragments::const_iterator fit = asefile.fragmentgroup()->fragments().begin(); fit != asefile.fragmentgroup()->fragments().end(); fit++) {
+		
+		const Fragment *fragment = (*fit);
 		model->model_tris_count += fragment->structural_size() + fragment->detail_size();
 	}
 	model->add_group(asefile.fragmentgroup());
diff --git a/src/model/fragment.cc b/src/model/fragment.cc
index 9071b00..30e89e0 100644
--- a/src/model/fragment.cc
+++ b/src/model/fragment.cc
@@ -74,7 +74,7 @@ FragmentGroup::~FragmentGroup()
 void FragmentGroup::clear()
 {
 
-	for (iterator it = group_fragments.begin(); it != group_fragments.end(); it++) {
+	for (Fragments::iterator it = group_fragments.begin(); it != group_fragments.end(); it++) {
 		delete(*it);
 	}
 	group_fragments.clear();
diff --git a/src/model/fragment.h b/src/model/fragment.h
index 6d65f7a..9da30b0 100644
--- a/src/model/fragment.h
+++ b/src/model/fragment.h
@@ -81,11 +81,14 @@ class FragmentGroup
 public:
 	enum Type {None = 0, Rotate = 1, Door = 2 };
 
-	typedef std::list<Fragment *>::iterator iterator;
+	/// type definition for a list of model fragments
+	typedef std::list<Fragment *> Fragments;
 
 	FragmentGroup();
 
 	~FragmentGroup();
+	
+	/* ---- inspectors ----------------------------------------- */
 
 	inline const Type type() const {
 		return group_type;
@@ -111,7 +114,16 @@ public:
 		return group_transform;
 	}
 
+	inline const size_t size() const {
+		return group_fragments.size();
+	}
 
+	inline const Fragments & fragments() const {
+		return group_fragments;
+	}
+	
+	/* ---- mutators ------------------------------------------- */
+	
 	inline void set_type(const Type type) {
 		group_type = type;
 	}
@@ -136,18 +148,6 @@ public:
 		group_transform = transform;
 	}
 
-	inline iterator begin() {
-		return  group_fragments.begin();
-	}
-
-	inline iterator end() {
-		return group_fragments.end();
-	}
-
-	inline const size_t size() const {
-		return group_fragments.size();
-	}
-
 	inline void add_fragment(Fragment *fragment) {
 		group_fragments.push_back(fragment);
 	}
@@ -155,9 +155,6 @@ public:
 	void clear();
 
 private:
-	/// type definition for a list of model fragments
-	typedef std::list<Fragment *> Fragments;
-
 	Fragments		group_fragments;
 	math::Vector3f		group_location;
 	math::Axis		group_axis;
diff --git a/src/model/mapfile.cc b/src/model/mapfile.cc
index 6bac44e..e3fda6c 100644
--- a/src/model/mapfile.cc
+++ b/src/model/mapfile.cc
@@ -1451,7 +1451,7 @@ Model * MapFile::load(std::string const &name)
 				groupdst->set_axis(groupsrc->axis() * tag_submodel->axis());
 
 				// copy fragments, this only copies the original fragment's pointer into the vertex array
-				for (FragmentGroup::iterator fit = groupsrc->begin(); fit != groupsrc->end(); fit++) {
+				for (FragmentGroup::Fragments::const_iterator fit = groupsrc->fragments().begin(); fit != groupsrc->fragments().end(); fit++) {
 					Fragment *fragmentdst = new Fragment(*(*fit));
 					groupdst->add_fragment(fragmentdst);
 				}
diff --git a/src/model/vertexarray.cc b/src/model/vertexarray.cc
index a559892..d06b976 100644
--- a/src/model/vertexarray.cc
+++ b/src/model/vertexarray.cc
@@ -40,6 +40,7 @@ VertexArray::~VertexArray()
 
 void VertexArray::clear()
 {
+	vertex_dirty = true;
 	vertex_index = 0;
 	vertex_overflow = false;
 
@@ -127,6 +128,8 @@ size_t VertexArray::add_vertex(math::Vector3f const &v, math::Vector3f const &n,
 	}
 	
 	vertex_index += 8;
+	
+	vertex_dirty = true;
 
 	return 1;
 }
diff --git a/src/model/vertexarray.h b/src/model/vertexarray.h
index 2e43f2a..9a71811 100644
--- a/src/model/vertexarray.h
+++ b/src/model/vertexarray.h
@@ -38,6 +38,11 @@ public:
 		return vertex_overflow;
 	}
 	
+	/// return true if the vertex data has changed and needs to uploaded to video memory
+	inline bool dirty() const {
+		return vertex_dirty;
+	}
+	
 	/// pointer to model vertices, sequential in GL_T2F_N3F_V3F format
 	inline const float *ptr() const {
 		return vertex_data;
@@ -52,6 +57,10 @@ public:
 	inline size_t index() const {
 		return vertex_index;
 	}
+	
+	inline void set_dirty(const bool dirty = true) {
+		vertex_dirty = dirty;
+	}
 
 	static inline VertexArray *instance() {
 		return vertex_instance;
@@ -69,6 +78,8 @@ private:
 	static VertexArray *vertex_instance;
 
 	bool vertex_overflow;
+	
+	bool vertex_dirty;
 };
 
 }