Hide other nodes when not in node tool

editor.conf.example

@@ -22,6 +22,10 @@ viewport_bottom_right = right
 # 2: Normal lighting (like in Minetest)
 lighting = 2
 
+# If true, nodes that are not selected will be hidden
+# when not in the node tool
+hide_other_nodes = true
+
 # Driver used to render
 driver = opengl
 

src/FileDialog.cpp

@@ -213,7 +213,6 @@ void FileDialog::doOpen(const SEvent &event)
 		win->remove();
 		win = NULL;
 		state->project = tmp;
-		state->project->remesh();
 		state->project->SelectNode(0);
 		state->Mode()->unload();
 		state->menu->init();

src/NBEditor.cpp

@@ -43,6 +43,11 @@ void NBEditor::load()
 	IGUIStaticText* sidebar = state->menu->sidebar;
 	IGUIEnvironment* guienv = state->device->getGUIEnvironment();
 
+	if (state->settings->getBool("hide_other_nodes"))
+		state->project->hideAllButCurrentNode();
+	else
+		state->project->remesh();
+
 	if (sidebar) {
 		sidebar->setText(L"Node Box Tool");
 		IGUIStaticText* t = guienv->addStaticText(L"No node selected",

src/Node.cpp

@@ -28,7 +28,8 @@ void Node::setAllTextures(Media::Image *def)
 	}
 }
 
-Node::~Node() {
+Node::~Node()
+{
 	for (int i = 0; i < 6; i++) {
 		if (images[i])
 			images[i]->drop();
@@ -42,11 +43,13 @@ Node::~Node() {
 	boxes.clear();
 }
 
-NodeBox* Node::GetCurrentNodeBox() {
+NodeBox* Node::GetCurrentNodeBox()
+{
 	return GetNodeBox(GetId());
 }
 
-NodeBox* Node::GetNodeBox(int id) {
+NodeBox* Node::GetNodeBox(int id)
+{
 	if (id < 0 || id > boxes.size()) {
 		return NULL;
 	}
@@ -55,7 +58,8 @@ NodeBox* Node::GetNodeBox(int id) {
 }
 
 // Operation functions
-NodeBox* Node::addNodeBox(){
+NodeBox* Node::addNodeBox()
+{
 	_box_count++;
 	// Name it
 	std::string name = "NodeBox" + num_to_str(_box_count);
@@ -103,4 +107,17 @@ void Node::remesh() {
 	}
 }
 
+void Node::hide()
+{
+	for (std::vector<NodeBox*>::iterator it = boxes.begin();
+			it != boxes.end();
+			++it) {
+		NodeBox *box = *it;
+		if (box->model) {
+			box->model->remove();
+			box->model = NULL;
+		}
+	}
+}
+
 

src/Node.hpp

@@ -28,6 +28,7 @@ public:
 	// Node bulk updaters
 	void remesh(); // creates the node mesh
 	void setAllTextures(Media::Image *def);
+	void hide();
 
 	void setTexture(CubeSide face, Media::Image *image);
 	Media::Image *getTexture(CubeSide face) { return images[face]; }

src/NodeEditor.cpp

@@ -11,6 +11,7 @@ NodeEditor::NodeEditor(EditorState* st) :
 
 void NodeEditor::load()
 {
+	state->project->remesh();
 	IGUIStaticText* sidebar = state->menu->sidebar;
 	IGUIEnvironment* guienv = state->device->getGUIEnvironment();
 

src/Project.cpp

@@ -26,13 +26,28 @@ Node* Project::GetNode(int id) const
 	for (std::list<Node*>::const_iterator it = nodes.begin();
 			it != nodes.end();
 			++it, ++curid) {
-		if (*it && curid == id) {
+		if (curid == id) {
 			return *it;
 		}
 	}
 	return NULL;
 }
 
+
+void Project::hideAllButCurrentNode()
+{
+	int curid = 0;
+	for (std::list<Node*>::const_iterator it = nodes.begin();
+			it != nodes.end();
+			++it, ++curid) {
+		if (snode == curid) {
+			(*it)->remesh();	
+		} else {
+			(*it)->hide();
+		}
+	}
+}
+
 Node* Project::GetNode(vector3di pos) const
 {
 	for (std::list<Node*>::const_iterator it = nodes.begin();

src/Project.hpp

@@ -29,6 +29,7 @@ public:
 	void AddNode(Node* node, bool select = true);
 	void DeleteNode(int id);
 	void SelectNode(int id) { snode = id; }
+	void hideAllButCurrentNode();
 	void remesh();
 	Node* GetNode(int id) const;
 	Node* GetNode(vector3di pos) const;	

src/TextureEditor.cpp

@@ -9,7 +9,12 @@ TextureEditor::TextureEditor(EditorState* st) :
 }
 
 void TextureEditor::load()
-{
+{	
+	if (state->settings->getBool("hide_other_nodes"))
+		state->project->hideAllButCurrentNode();
+	else
+		state->project->remesh();
+
 	IGUIStaticText* sidebar = state->menu->sidebar;
 
 	if (!sidebar)

src/main.cpp

@@ -75,6 +75,7 @@ int main(int argc, char *argv[]) {
 	conf->set("viewport_bottom_left", "front");
 	conf->set("viewport_bottom_right", "right");
 	conf->set("lighting", "2");
+	conf->set("hide_other_nodes", "true");
 	conf->set("fullscreen", "false");
 	conf->set("width", "896");
 	conf->set("height", "520");