Merge branch 'nodecloner' into sim

AnimModel.cpp

@@ -25,11 +25,10 @@ http://mozilla.org/MPL/2.0/.
 #include "Logs.h"
 #include "renderer.h"
 
-TAnimContainer *TAnimModel::acAnimList = NULL;
+std::list<std::weak_ptr<TAnimContainer>> TAnimModel::acAnimList;
 
 TAnimContainer::TAnimContainer()
 {
-    pNext = NULL;
     vRotateAngles = Math3D::vector3(0.0f, 0.0f, 0.0f); // aktualne kąty obrotu
     vDesiredAngles = Math3D::vector3(0.0f, 0.0f, 0.0f); // docelowe kąty obrotu
     fRotateSpeed = 0.0;
@@ -39,15 +38,7 @@ TAnimContainer::TAnimContainer()
     fAngleSpeed = 0.0;
     pSubModel = NULL;
 	iAnim = 0; // położenie początkowe
-    mAnim = NULL; // nie ma macierzy obrotu dla submodelu
-    evDone = NULL; // powiadamianie o zakończeniu animacji
-    acAnimNext = NULL; // na razie jest poza listą
-}
-
-TAnimContainer::~TAnimContainer()
-{
-    SafeDelete(pNext);
-    delete mAnim; // AnimContainer jest właścicielem takich macierzy
+	evDone = NULL; // powiadamianie o zakończeniu animacji
 }
 
 bool TAnimContainer::Init(TSubModel *pNewSubModel)
@@ -73,9 +64,8 @@ void TAnimContainer::SetRotateAnim( Math3D::vector3 vNewRotateAngles, double fNe
         // wyświetlania
         if (iAnim >= 0)
         { // jeśli nie jest jeszcze na liście animacyjnej
-            acAnimNext = TAnimModel::acAnimList; // pozostałe doklić sobie jako ogon
-            TAnimModel::acAnimList = this; // a wstawić się na początek
-            iAnim |= 0x80000000; // dodany do listy
+			TAnimModel::acAnimList.push_back(shared_from_this());
+			iAnim |= 0x80000000; // dodany do listy
         }
     }
 }
@@ -96,8 +86,7 @@ void TAnimContainer::SetTranslateAnim( Math3D::vector3 vNewTranslate, double fNe
         // wyświetlania
         if (iAnim >= 0)
         { // jeśli nie jest jeszcze na liście animacyjnej
-            acAnimNext = TAnimModel::acAnimList; // pozostałe doklić sobie jako ogon
-            TAnimModel::acAnimList = this; // a wstawić się na początek
+			TAnimModel::acAnimList.push_back(shared_from_this());
             iAnim |= 0x80000000; // dodany do listy
         }
     }
@@ -264,11 +253,6 @@ TAnimModel::TAnimModel( scene::node_data const &Nodedata ) : basic_node( Nodedat
     m_lightopacities.fill( 1.f );
 }
 
-TAnimModel::~TAnimModel()
-{
-    SafeDelete(pRoot);
-}
-
 bool TAnimModel::Init(std::string const &asName, std::string const &asReplacableTexture)
 {
     if( asReplacableTexture.substr( 0, 1 ) == "*" ) {
@@ -383,32 +367,32 @@ bool TAnimModel::Load(cParser *parser, bool ter)
     return true;
 }
 
-TAnimContainer * TAnimModel::AddContainer(std::string const &Name)
+std::shared_ptr<TAnimContainer> TAnimModel::AddContainer(std::string const &Name)
 { // dodanie sterowania submodelem dla egzemplarza
     if (!pModel)
-        return NULL;
+		return nullptr;
     TSubModel *tsb = pModel->GetFromName(Name);
     if (tsb)
     {
-        TAnimContainer *tmp = new TAnimContainer();
+		auto tmp = std::make_shared<TAnimContainer>();
         tmp->Init(tsb);
-        tmp->pNext = pRoot;
-        pRoot = tmp;
-        return tmp;
+		m_animlist.push_back(tmp);
+		return tmp;
     }
-    return NULL;
+	return nullptr;
 }
 
-TAnimContainer * TAnimModel::GetContainer(std::string const &Name)
+std::shared_ptr<TAnimContainer> TAnimModel::GetContainer(std::string const &Name)
 { // szukanie/dodanie sterowania submodelem dla egzemplarza
-    if (true == Name.empty())
-        return pRoot; // pobranie pierwszego (dla obrotnicy)
-    TAnimContainer *pCurrent;
-    for (pCurrent = pRoot; pCurrent != NULL; pCurrent = pCurrent->pNext)
-        // if (pCurrent->GetName()==pName)
-		if (Name == pCurrent->NameGet())
-            return pCurrent;
-    return AddContainer(Name);
+	if (true == Name.empty())
+		return (!m_animlist.empty()) ? m_animlist.front() : nullptr; // pobranie pierwszego (dla obrotnicy)
+
+	for (auto entry : m_animlist) {
+		if (entry->NameGet() == Name)
+			return entry;
+	}
+
+	return AddContainer(Name);
 }
 
 // przeliczenie animacji - jednorazowo na klatkę
@@ -485,13 +469,13 @@ void TAnimModel::RaAnimate( unsigned int const Framestamp ) {
     }
 
     // Ra 2F1I: to by można pomijać dla modeli bez animacji, których jest większość
-    TAnimContainer *pCurrent;
-    for (pCurrent = pRoot; pCurrent != nullptr; pCurrent = pCurrent->pNext)
-        if (!pCurrent->evDone) // jeśli jest bez eventu
-            pCurrent->UpdateModel(); // przeliczenie animacji każdego submodelu
+	for (auto entry : m_animlist) {
+		if (!entry->evDone) // jeśli jest bez eventu
+			entry->UpdateModel(); // przeliczenie animacji każdego submodelu
+	}
 
     m_framestamp = Framestamp;
-};
+}
 
 void TAnimModel::RaPrepare()
 { // ustawia światła i animacje we wzorcu modelu przed renderowaniem egzemplarza
@@ -555,12 +539,10 @@ void TAnimModel::RaPrepare()
     }
     TSubModel::iInstance = reinterpret_cast<std::uintptr_t>( this ); //żeby nie robić cudzych animacji
     TSubModel::pasText = &asText; // przekazanie tekstu do wyświetlacza (!!!! do przemyślenia)
-    TAnimContainer *pCurrent;
-    for (pCurrent = pRoot; pCurrent != NULL; pCurrent = pCurrent->pNext)
-        pCurrent->PrepareModel(); // ustawienie animacji egzemplarza dla każdego submodelu
-    // if () //tylko dla modeli z IK !!!!
-    // for (pCurrent=pRoot;pCurrent!=NULL;pCurrent=pCurrent->pNext) //albo osobny łańcuch
-    //  pCurrent->UpdateModelIK(); //przeliczenie odwrotnej kinematyki
+
+	for (auto entry : m_animlist) {
+		entry->PrepareModel();
+	}
 }
 
 int TAnimModel::Flags()
@@ -569,18 +551,19 @@ int TAnimModel::Flags()
     if( m_materialdata.replacable_skins[ 1 ] > 0 ) // jeśli ma wymienną teksturę 0
         i |= (i & 0x01010001) * ((m_materialdata.textures_alpha & 1) ? 0x20 : 0x10);
     return i;
-};
+}
 
 //---------------------------------------------------------------------------
 
 int TAnimModel::TerrainCount()
 { // zliczanie kwadratów kilometrowych (główna linia po Next) do tworznia tablicy
     return pModel ? pModel->TerrainCount() : 0;
-};
+}
+
 TSubModel * TAnimModel::TerrainSquare(int n)
 { // pobieranie wskaźników do pierwszego submodelu
     return pModel ? pModel->TerrainSquare(n) : 0;
-};
+}
 
 //---------------------------------------------------------------------------
 void TAnimModel::LightSet(int const n, float const v)
@@ -589,7 +572,7 @@ void TAnimModel::LightSet(int const n, float const v)
         return; // przekroczony zakres
     }
     lsLights[ n ] = v;
-};
+}
 
 std::optional<std::tuple<float, float, std::optional<glm::vec3>> > TAnimModel::LightGet(const int n)
 {
@@ -611,13 +594,16 @@ std::optional<std::tuple<float, float, std::optional<glm::vec3>> > TAnimModel::L
 
 void TAnimModel::AnimUpdate(double dt)
 { // wykonanie zakolejkowanych animacji, nawet gdy modele nie są aktualnie wyświetlane
-    TAnimContainer *p = TAnimModel::acAnimList;
-    while( p ) {
+	acAnimList.remove_if([](std::weak_ptr<TAnimContainer> ptr)
+	{
+		std::shared_ptr<TAnimContainer> container = ptr.lock();
+		if (!container)
+			return true;
 
-        p->UpdateModel();
-        p = p->acAnimNext; // na razie bez usuwania z listy, bo głównie obrotnica na nią wchodzi
-    }
-};
+		container->UpdateModel(); // na razie bez usuwania z listy, bo głównie obrotnica na nią wchodzi
+		return false;
+	});
+}
 
 // radius() subclass details, calculates node's bounding radius
 float

AnimModel.h

@@ -45,7 +45,7 @@ class TAnimVocaloidFrame
 
 class basic_event;
 
-class TAnimContainer
+class TAnimContainer : std::enable_shared_from_this<TAnimContainer>
 { // opakowanie submodelu, określające animację egzemplarza - obsługiwane jako lista
     friend TAnimModel;
 
@@ -62,7 +62,7 @@ class TAnimContainer
     float fAngleCurrent; // parametr interpolacyjny: 0=start, 1=docelowy
     float fAngleSpeed; // zmiana parametru interpolacji w sekundach
     TSubModel *pSubModel;
-    float4x4 *mAnim; // macierz do animacji kwaternionowych
+	std::shared_ptr<float4x4> mAnim; // macierz do animacji kwaternionowych
     // dla kinematyki odwróconej używane są kwaterniony
     float fLength; // długość kości dla IK
     int iAnim; // animacja: +1-obrót Eulera, +2-przesuw, +4-obrót kwaternionem, +8-IK
@@ -71,11 +71,8 @@ class TAnimContainer
     //+0x200: drugi stopień IK - dostosować do pozycji potomnego potomnego (wnuka)
     basic_event *evDone; // ewent wykonywany po zakończeniu animacji, np. zapór, obrotnicy
   public:
-    TAnimContainer *pNext;
-    TAnimContainer *acAnimNext; // lista animacji z eventem, które muszą być przeliczane również bez
     // wyświetlania
-    TAnimContainer();
-    ~TAnimContainer();
+	TAnimContainer();
     bool Init(TSubModel *pNewSubModel);
     inline
     std::string NameGet() {
@@ -112,14 +109,12 @@ class TAnimModel : public scene::basic_node {
 public:
 // constructors
     explicit TAnimModel( scene::node_data const &Nodedata );
-// destructor
-    ~TAnimModel();
 // methods
     static void AnimUpdate( double dt );
     bool Init(std::string const &asName, std::string const &asReplacableTexture);
     bool Load(cParser *parser, bool ter = false);
-    TAnimContainer * AddContainer(std::string const &Name);
-    TAnimContainer * GetContainer(std::string const &Name = "");
+	std::shared_ptr<TAnimContainer> AddContainer(std::string const &Name);
+	std::shared_ptr<TAnimContainer> GetContainer(std::string const &Name = "");
 	void LightSet( int const n, float const v );
 	std::optional<std::tuple<float, float, std::optional<glm::vec3> > > LightGet( int const n );
     int TerrainCount();
@@ -142,7 +137,10 @@ public:
         Angles() const {
             return vAngle; }
 // members
-    static TAnimContainer *acAnimList; // lista animacji z eventem, które muszą być przeliczane również bez wyświetlania
+	std::list<std::shared_ptr<TAnimContainer>> m_animlist;
+
+	// lista animacji z eventem, które muszą być przeliczane również bez wyświetlania
+	static std::list<std::weak_ptr<TAnimContainer>> acAnimList;
 
 private:
 // methods
@@ -159,7 +157,7 @@ private:
     void export_as_text_( std::ostream &Output ) const;
 
 // members
-    TAnimContainer *pRoot { nullptr }; // pojemniki sterujące, tylko dla aniomowanych submodeli
+	std::shared_ptr<TAnimContainer> pRoot; // pojemniki sterujące, tylko dla aniomowanych submodeli
     TModel3d *pModel { nullptr };
     glm::vec3 vAngle; // bazowe obroty egzemplarza względem osi
     material_data m_materialdata;

Event.cpp

@@ -1291,8 +1291,8 @@ animation_event::init() {
     for( auto &target : m_targets ) {
         auto *targetmodel { static_cast<TAnimModel *>( std::get<scene::basic_node *>( target ) ) };
         if( targetmodel == nullptr ) { continue; }
-        auto *targetcontainer{ targetmodel->GetContainer( m_animationsubmodel ) };
-        if( targetcontainer == nullptr ) {
+		auto targetcontainer{ targetmodel->GetContainer( m_animationsubmodel ) };
+		if( !targetcontainer ) {
             m_ignored = true;
             ErrorLog( "Bad event: \"" + m_name + "\" (type: " + type() + ") can't find submodel " + m_animationsubmodel + " in model instance \"" + targetmodel->name() + "\"" );
             break;
@@ -1399,7 +1399,12 @@ animation_event::run_() {
 
     WriteLog( "Type: Animation" );
 	// animation modes target specific submodels
-	for( auto *targetcontainer : m_animationcontainers ) {
+	m_animationcontainers.remove_if([this](std::weak_ptr<TAnimContainer> ptr)
+	{
+		auto targetcontainer = ptr.lock();
+		if (!targetcontainer)
+			return true;
+
 		switch( m_animationtype ) {
 		    case 1: { // rotate
 			    targetcontainer->SetRotateAnim(
@@ -1418,7 +1423,8 @@ animation_event::run_() {
 			    break;
 		    }
 		}
-	}
+		return false;
+	});
 }
 
 // export_as_text() subclass details

Event.h

@@ -390,7 +390,7 @@ private:
     int m_animationtype{ 0 };
     std::array<double, 4> m_animationparams{ 0.0 };
     std::string m_animationsubmodel;
-    std::vector<TAnimContainer *> m_animationcontainers;
+	std::list<std::weak_ptr<TAnimContainer>> m_animationcontainers;
     std::string m_animationfilename;
     std::size_t m_animationfilesize{ 0 };
     char *m_animationfiledata{ nullptr };

Model3d.cpp

@@ -1060,8 +1060,8 @@ void TSubModel::RaAnimation(glm::mat4 &m, TAnimType a)
 	}
 	if (mAnimMatrix) // można by to dać np. do at_Translate
 	{
-		m *= glm::make_mat4(mAnimMatrix->e);
-		mAnimMatrix = NULL; // jak animator będzie potrzebował, to ustawi ponownie
+		m *= glm::make_mat4(mAnimMatrix.get()->e);
+		mAnimMatrix.reset(); // jak animator będzie potrzebował, to ustawi ponownie
 	}
 };
 

Model3d.h

@@ -137,7 +137,7 @@ public: // chwilowo
     float m_boundingradius { 0 };
     std::uintptr_t iAnimOwner{ 0 }; // roboczy numer egzemplarza, który ustawił animację
     TAnimType b_aAnim{ TAnimType::at_None }; // kody animacji oddzielnie, bo zerowane
-    float4x4 *mAnimMatrix{ nullptr }; // macierz do animacji kwaternionowych (należy do AnimContainer)
+	std::shared_ptr<float4x4> mAnimMatrix; // macierz do animacji kwaternionowych
     TSubModel **smLetter{ nullptr }; // wskaźnik na tablicę submdeli do generoania tekstu (docelowo zapisać do E3D)
     TSubModel *Parent{ nullptr }; // nadrzędny, np. do wymnażania macierzy
     int iVisible { 1 }; // roboczy stan widoczności

Names.h

@@ -69,6 +69,17 @@ public:
 		        lookup->second :
 		        -1 );
 	}
+	void purge (Type_ *Item)
+	{
+		for (auto it = m_items.begin(); it != m_items.end(); it++) {
+			if (*it == Item) {
+				delete *it;
+				*it = nullptr;
+				return;
+			}
+		}
+	}
+
     // locates item with specified name. returns pointer to the item, or nullptr
     Type_ *
         find( std::string const &Name ) const {

Track.cpp

@@ -1101,7 +1101,7 @@ bool TTrack::InMovement()
                 if (!SwitchExtension->CurrentIndex)
                     return false; // 0=zablokowana się nie animuje
                 // trzeba każdorazowo porównywać z kątem modelu
-                TAnimContainer *ac = (
+				auto ac = (
                     SwitchExtension->pModel ?
                         SwitchExtension->pModel->GetContainer() :
                         nullptr );
@@ -1883,7 +1883,7 @@ TTrack * TTrack::RaAnimate()
             SwitchExtension->CurrentIndex) // 0=zablokowana się nie animuje
         { // trzeba każdorazowo porównywać z kątem modelu
             // //pobranie kąta z modelu
-            TAnimContainer *ac = (
+			auto ac = (
                 SwitchExtension->pModel ?
                     SwitchExtension->pModel->GetContainer() : // pobranie głównego submodelu
                     nullptr );

editormode.cpp

@@ -19,6 +19,7 @@ http://mozilla.org/MPL/2.0/.
 #include "Timer.h"
 #include "Console.h"
 #include "renderer.h"
+#include "AnimModel.h"
 
 bool
 editor_mode::editormode_input::init() {
@@ -179,6 +180,22 @@ editor_mode::on_key( int const Key, int const Scancode, int const Action, int co
             break;
         }
 
+	    case GLFW_KEY_DELETE: {
+		    TAnimModel *model = dynamic_cast<TAnimModel*>(m_node);
+			if (!model)
+				break;
+
+			m_node = nullptr;
+			m_dragging = false;
+			Application.set_cursor( GLFW_CURSOR_NORMAL );
+			static_cast<editor_ui*>( m_userinterface.get() )->set_node(nullptr);
+
+			simulation::Region->erase(model);
+			simulation::Instances.purge(model);
+
+			break;
+	    }
+
         default: {
             break;
         }
@@ -229,19 +246,75 @@ editor_mode::on_mouse_button( int const Button, int const Action, int const Mods
     if( Button == GLFW_MOUSE_BUTTON_LEFT ) {
 
         if( Action == GLFW_PRESS ) {
-            // left button press
-            GfxRenderer.pick_node([this](scene::basic_node *node)
-            {
-                if (!m_dragging)
-                    return;
-                m_node = node;
-                if( m_node )
-                    Application.set_cursor( GLFW_CURSOR_DISABLED );
-                else
-                    m_dragging = false;
-                dynamic_cast<editor_ui*>( m_userinterface.get() )->set_node( m_node );
-            });
-            m_dragging = true;
+			// left button press
+			auto const mode = static_cast<editor_ui*>( m_userinterface.get() )->mode();
+
+			m_node = nullptr;
+
+			GfxRenderer.pick_node([this, mode](scene::basic_node *node)
+			{
+				editor_ui *ui = static_cast<editor_ui*>( m_userinterface.get() );
+
+				if (mode == nodebank_panel::MODIFY) {
+					if (!m_dragging)
+						return;
+
+					m_node = node;
+					if( m_node )
+						Application.set_cursor( GLFW_CURSOR_DISABLED );
+					else
+						m_dragging = false;
+					ui->set_node( m_node );
+				}
+				else if (mode == nodebank_panel::COPY) {
+					if (node && typeid(*node) == typeid(TAnimModel)) {
+						std::string as_text;
+						node->export_as_text(as_text);
+
+						ui->add_node_template(as_text);
+					}
+
+					m_dragging = false;
+				}
+				else if (mode == nodebank_panel::ADD) {
+					const std::string *src = ui->get_active_node_template();
+
+					if (!src)
+						return;
+
+					cParser parser(*src);
+					parser.getTokens(); // "node"
+					parser.getTokens(2); // ranges
+
+					scene::node_data nodedata;
+					parser >> nodedata.range_max >> nodedata.range_min;
+
+					parser.getTokens(2); // name, type
+					nodedata.name = "editor_" + std::to_string(LocalRandom(0.0, 100000.0));
+					nodedata.type = "model";
+
+					scene::scratch_data scratch;
+
+					TAnimModel *cloned = simulation::State.deserialize_model(parser, scratch, nodedata);
+
+					if (!cloned)
+						return;
+
+					cloned->mark_dirty();
+					cloned->location(Camera.Pos + GfxRenderer.Mouse_Position());
+					simulation::Instances.insert(cloned);
+					simulation::Region->insert(cloned);
+
+					if (!m_dragging)
+						return;
+
+					m_node = cloned;
+					Application.set_cursor( GLFW_CURSOR_DISABLED );
+					ui->set_node( m_node );
+				}
+			});
+
+			m_dragging = true;
         }
         else {
             // left button release

editoruilayer.cpp

@@ -18,6 +18,7 @@ editor_ui::editor_ui() {
     clear_panels();
     // bind the panels with ui object. maybe not the best place for this but, eh
     push_back( &m_itempropertiespanel );
+	push_back( &m_nodebankpanel );
 }
 
 // potentially processes provided input key. returns: true if key was processed, false otherwise
@@ -54,3 +55,28 @@ editor_ui::set_node( scene::basic_node * Node ) {
 
     m_node = Node;
 }
+
+
+nodebank_panel::edit_mode
+editor_ui::mode() {
+	return m_nodebankpanel.mode;
+}
+
+void
+editor_ui::add_node_template(const std::string &desc) {
+	m_nodebankpanel.add_template(desc);
+}
+
+const std::string *editor_ui::get_active_node_template() {
+	return m_nodebankpanel.get_active_template();
+}
+
+void editor_ui::render_menu_contents() {
+	ui_layer::render_menu_contents();
+
+	if (ImGui::BeginMenu(locale::strings[locale::string::ui_mode_windows].c_str()))
+	{
+		ImGui::MenuItem(m_nodebankpanel.title.c_str(), nullptr, &m_nodebankpanel.is_open);
+		ImGui::EndMenu();
+	}
+}

editoruilayer.h

@@ -32,9 +32,19 @@ public:
         update() override;
     void
         set_node( scene::basic_node * Node );
+	nodebank_panel::edit_mode
+	    mode();
+	void
+	    add_node_template(const std::string &desc);
+	const std::string *
+	    get_active_node_template();
+
+protected:
+	void render_menu_contents();
 
 private:
 // members
     itemproperties_panel m_itempropertiespanel { "Node Properties", true };
+	nodebank_panel m_nodebankpanel;
     scene::basic_node * m_node { nullptr }; // currently bound scene node, if any
 };

editoruipanels.cpp

@@ -281,3 +281,50 @@ itemproperties_panel::render_group() {
 
     return true;
 }
+
+nodebank_panel::nodebank_panel() : ui_panel("nodebank", true) {
+	size_min = { 100, 50 };
+	size_max = { 1000, 1000 };
+	title = "nodebank";
+
+	std::ifstream file;
+	file.open("nodebank.txt", std::ios_base::in | std::ios_base::binary);
+
+	std::string line;
+	while (std::getline(file, line))
+		if (line.size() > 2)
+			m_nodebank.push_back(std::make_unique<std::string>(line));
+}
+
+void
+nodebank_panel::render_contents() {
+	ImGui::RadioButton("modify", (int*)&mode, MODIFY);
+	ImGui::RadioButton("clone", (int*)&mode, COPY);
+	ImGui::RadioButton("add", (int*)&mode, ADD);
+
+	ImGui::PushItemWidth(-1);
+	if (ImGui::ListBoxHeader("##nodebank", ImVec2(-1, -1)))
+	{
+		int i = 0;
+		for (auto const entry : m_nodebank) {
+			std::string label = *entry + "##" + std::to_string(i);
+			if (ImGui::Selectable(label.c_str(), entry == m_selectedtemplate))
+				m_selectedtemplate = entry;
+			i++;
+		}
+
+		ImGui::ListBoxFooter();
+	}
+}
+
+void nodebank_panel::add_template(const std::string &desc) {
+	std::ofstream file;
+	file.open("nodebank.txt", std::ios_base::out | std::ios_base::app | std::ios_base::binary);
+	file << desc;
+
+	m_nodebank.push_back(std::make_unique<std::string>(desc));
+}
+
+const std::string *nodebank_panel::get_active_template() {
+	return m_selectedtemplate.get();
+}

editoruipanels.h

@@ -33,3 +33,23 @@ private:
     std::string m_groupprefix;
     std::vector<text_line> m_grouplines;
 };
+
+class nodebank_panel : public ui_panel {
+	std::vector<std::shared_ptr<std::string>> m_nodebank;
+	std::shared_ptr<std::string> m_selectedtemplate;
+
+public:
+	enum edit_mode {
+		MODIFY,
+		COPY,
+		ADD
+	};
+
+	edit_mode mode = MODIFY;
+
+	nodebank_panel();
+
+	void render_contents() override;
+	void add_template(const std::string &desc);
+	const std::string* get_active_template();
+};

sceneeditor.cpp

@@ -23,7 +23,16 @@ namespace scene {
 void
 basic_editor::translate( scene::basic_node *Node, glm::dvec3 const &Location, bool const Snaptoground ) {
 
-    auto const initiallocation { Node->location() };
+	auto &initiallocation { Node->location() };
+
+	// fixup NaNs
+	if (std::isnan(initiallocation.x))
+		initiallocation.x = Location.x;
+	if (std::isnan(initiallocation.y))
+		initiallocation.y = Location.y;
+	if (std::isnan(initiallocation.z))
+		initiallocation.z = Location.z;
+
     auto targetlocation { Location };
     if( false == Snaptoground ) {
         targetlocation.y = initiallocation.y;
@@ -31,6 +40,7 @@ basic_editor::translate( scene::basic_node *Node, glm::dvec3 const &Location, bo
     // NOTE: bit of a waste for single nodes, for the sake of less varied code down the road
     auto const translation { targetlocation - initiallocation };
 
+	Node->mark_dirty();
     if( Node->group() == null_handle ) {
         translate_node( Node, Node->location() + translation );
     }

scenenode.cpp

@@ -743,7 +743,7 @@ basic_node::export_as_text( std::ostream &Output ) const {
         << ' ' << ( m_rangesquaredmax < std::numeric_limits<double>::max() ? std::sqrt( m_rangesquaredmax ) : -1 )
         << ' ' << std::sqrt( m_rangesquaredmin )
         // name
-        << ' ' << m_name << ' ';
+	    << ' ' << ((m_name.length() > 0) ? m_name : "none") << ' ';
     // template method implementation
     export_as_text_( Output );
 }

scenenode.h

@@ -333,6 +333,8 @@ public:
         location( glm::dvec3 const Location );
     glm::dvec3 const &
         location() const;
+	glm::dvec3 &
+	    location();
     float const &
         radius();
     void
@@ -343,6 +345,10 @@ public:
         group( scene::group_handle Group );
     scene::group_handle
         group() const;
+	void
+	    mark_dirty() { m_dirty = true; }
+	bool
+	    dirty() const { return m_dirty; }
 
 protected:
 // members
@@ -352,6 +358,7 @@ protected:
     double m_rangesquaredmax { 0.0 }; // visibility range, max
     bool m_visible { true }; // visibility flag
     std::string m_name;
+	bool m_dirty { false };
 
 private:
 // methods
@@ -383,6 +390,12 @@ basic_node::location() const {
     return m_area.center;
 }
 
+inline
+glm::dvec3 &
+basic_node::location() {
+	return m_area.center;
+}
+
 inline
 void
 basic_node::visible( bool const Visible ) {

scenenodegroups.cpp

@@ -145,24 +145,38 @@ node_groups::insert( scene::group_handle const Group, basic_event *Event ) {
 
 // sends basic content of the class in legacy (text) format to provided stream
 void
-node_groups::export_as_text( std::ostream &Output ) const {
+node_groups::export_as_text( std::ostream &Output, bool Dirty ) const {
 
     for( auto const &group : m_groupmap ) {
-
-        Output << "group\n";
+		bool any = false;
         for( auto *node : group.second.nodes ) {
+			if (node->dirty() != Dirty)
+				continue;
             // HACK: auto-generated memory cells aren't exported, so we check for this
             // TODO: is_exportable as basic_node method
             if( ( typeid( *node ) == typeid( TMemCell ) )
              && ( false == static_cast<TMemCell *>( node )->is_exportable ) ) {
                 continue;
             }
+
+			if (!any)
+				Output << "group\n";
+			any = true;
+
             node->export_as_text( Output );
         }
         for( auto *event : group.second.events ) {
+			if (Dirty)
+				continue;
+
+			if (!any)
+				Output << "group\n";
+			any = true;
+
             event->export_as_text( Output );
         }
-        Output << "endgroup\n";
+		if (any)
+			Output << "endgroup\n";
     }
 }
 

scenenodegroups.h

@@ -51,7 +51,7 @@ public:
             return m_groupmap[ Group ]; }
     // sends basic content of the class in legacy (text) format to provided stream
     void
-        export_as_text( std::ostream &Output ) const;
+	    export_as_text(std::ostream &Output , bool Dirty) const;
 
 private:
 // types

simulation.cpp

@@ -175,6 +175,11 @@ void state_manager::process_commands() {
 	}
 }
 
+TAnimModel *
+state_manager::deserialize_model(cParser &Input, scene::scratch_data &Scratchpad, scene::node_data const &Nodedata) {
+	return m_serializer.deserialize_model(Input, Scratchpad, Nodedata);
+}
+
 void
 state_manager::update_clocks() {
 

simulation.h

@@ -39,6 +39,10 @@ public:
 	void
 	    process_commands();
 
+	// temporary for editor
+	TAnimModel *
+	    deserialize_model(cParser &Input, scene::scratch_data &Scratchpad, scene::node_data const &Nodedata);
+
 private:
 // members
     state_serializer m_serializer;

simulationstateserializer.cpp

@@ -956,7 +956,7 @@ state_serializer::transform( glm::dvec3 Location, scene::scratch_data const &Scr
 
 // stores class data in specified file, in legacy (text) format
 void
-state_serializer::export_as_text( std::string const &Scenariofile ) const {
+state_serializer::export_as_text(std::string const &Scenariofile) const {
 
     if( Scenariofile == "$.scn" ) {
         ErrorLog( "Bad file: scenery export not supported for file \"$.scn\"" );
@@ -965,66 +965,79 @@ state_serializer::export_as_text( std::string const &Scenariofile ) const {
         WriteLog( "Scenery data export in progress..." );
     }
 
-    auto filename { Scenariofile };
-    while( filename[ 0 ] == '$' ) {
+	auto filename { Scenariofile };
+	while( filename[ 0 ] == '$' ) {
         // trim leading $ char rainsted utility may add to the base name for modified .scn files
-        filename.erase( 0, 1 );
+		filename.erase( 0, 1 );
     }
-    erase_extension( filename );
-    filename = Global.asCurrentSceneryPath + filename + "_export";
+	erase_extension( filename );
+	auto absfilename = Global.asCurrentSceneryPath + filename + "_export";
 
-    std::ofstream scmfile { filename + ".scm" };
-    // groups
-    scmfile << "// groups\n";
-    scene::Groups.export_as_text( scmfile );
-    // tracks
-    scmfile << "// paths\n";
-    for( auto const *path : Paths.sequence() ) {
-        if( path->group() == null_handle ) {
-            path->export_as_text( scmfile );
-        }
-    }
-    // traction
-    scmfile << "// traction\n";
-    for( auto const *traction : Traction.sequence() ) {
-        if( traction->group() == null_handle ) {
-            traction->export_as_text( scmfile );
-        }
-    }
-    // power grid
-    scmfile << "// traction power sources\n";
-    for( auto const *powersource : Powergrid.sequence() ) {
-        if( powersource->group() == null_handle ) {
-            powersource->export_as_text( scmfile );
-        }
-    }
-    // models
-    scmfile << "// instanced models\n";
-    for( auto const *instance : Instances.sequence() ) {
-        if( instance->group() == null_handle ) {
-            instance->export_as_text( scmfile );
-        }
-    }
-    // sounds
-    // NOTE: sounds currently aren't included in groups
-    scmfile << "// sounds\n";
-    Region->export_as_text( scmfile );
+	std::ofstream scmdirtyfile { absfilename + "_dirty.scm" };
+	export_nodes_to_stream(scmdirtyfile, true);
 
-    std::ofstream ctrfile { filename + ".ctr" };
-    // mem cells
-    ctrfile << "// memory cells\n";
-    for( auto const *memorycell : Memory.sequence() ) {
-        if( ( true == memorycell->is_exportable )
-         && ( memorycell->group() == null_handle ) ) {
-            memorycell->export_as_text( ctrfile );
-        }
-    }
-    // events
-    Events.export_as_text( ctrfile );
+	std::ofstream scmfile { absfilename + ".scm" };
+	export_nodes_to_stream(scmfile, false);
+
+	// sounds
+	// NOTE: sounds currently aren't included in groups
+	scmfile << "// sounds\n";
+	Region->export_as_text( scmfile );
+
+	scmfile << "// modified objects\ninclude " << filename << "_export_dirty.scm\n";
+
+	std::ofstream ctrfile { absfilename + ".ctr" };
+	// mem cells
+	ctrfile << "// memory cells\n";
+	for( auto const *memorycell : Memory.sequence() ) {
+		if( ( true == memorycell->is_exportable )
+		 && ( memorycell->group() == null_handle ) ) {
+			memorycell->export_as_text( ctrfile );
+		}
+	}
+
+	// events
+	Events.export_as_text( ctrfile );
 
     WriteLog( "Scenery data export done." );
 }
 
+void
+state_serializer::export_nodes_to_stream(std::ostream &scmfile, bool Dirty) const {
+	// groups
+	scmfile << "// groups\n";
+	scene::Groups.export_as_text( scmfile, Dirty );
+
+	// tracks
+	scmfile << "// paths\n";
+	for( auto const *path : Paths.sequence() ) {
+		if( path->dirty() == Dirty && path->group() == null_handle ) {
+			path->export_as_text( scmfile );
+		}
+	}
+	// traction
+	scmfile << "// traction\n";
+	for( auto const *traction : Traction.sequence() ) {
+		if( traction->dirty() == Dirty && traction->group() == null_handle ) {
+			traction->export_as_text( scmfile );
+		}
+	}
+	// power grid
+	scmfile << "// traction power sources\n";
+	for( auto const *powersource : Powergrid.sequence() ) {
+		if( powersource->dirty() == Dirty && powersource->group() == null_handle ) {
+			powersource->export_as_text( scmfile );
+		}
+	}
+	// models
+	scmfile << "// instanced models\n";
+	for( auto const *instance : Instances.sequence() ) {
+		if( instance && instance->dirty() == Dirty && instance->group() == null_handle ) {
+			instance->export_as_text( scmfile );
+		}
+	}
+}
+
 } // simulation
 
   //---------------------------------------------------------------------------

simulationstateserializer.h

@@ -40,7 +40,10 @@ public:
 	    deserialize_continue(std::shared_ptr<deserializer_state> state);
     // stores class data in specified file, in legacy (text) format
     void
-        export_as_text( std::string const &Scenariofile ) const;
+	    export_as_text(std::string const &Scenariofile) const;
+
+	// temporary public for editor
+	TAnimModel * deserialize_model( cParser &Input, scene::scratch_data &Scratchpad, scene::node_data const &Nodedata );
 
 private:
 // methods
@@ -56,7 +59,7 @@ private:
     void deserialize_group( cParser &Input, scene::scratch_data &Scratchpad );
     void deserialize_endgroup( cParser &Input, scene::scratch_data &Scratchpad );
     void deserialize_light( cParser &Input, scene::scratch_data &Scratchpad );
-    void deserialize_node( cParser &Input, scene::scratch_data &Scratchpad );
+	void deserialize_node( cParser &Input, scene::scratch_data &Scratchpad );
     void deserialize_origin( cParser &Input, scene::scratch_data &Scratchpad );
     void deserialize_endorigin( cParser &Input, scene::scratch_data &Scratchpad );
     void deserialize_rotate( cParser &Input, scene::scratch_data &Scratchpad );
@@ -70,7 +73,6 @@ private:
     TTractionPowerSource * deserialize_tractionpowersource( cParser &Input, scene::scratch_data &Scratchpad, scene::node_data const &Nodedata );
     TMemCell * deserialize_memorycell( cParser &Input, scene::scratch_data &Scratchpad, scene::node_data const &Nodedata );
     TEventLauncher * deserialize_eventlauncher( cParser &Input, scene::scratch_data &Scratchpad, scene::node_data const &Nodedata );
-    TAnimModel * deserialize_model( cParser &Input, scene::scratch_data &Scratchpad, scene::node_data const &Nodedata );
     TDynamicObject * deserialize_dynamic( cParser &Input, scene::scratch_data &Scratchpad, scene::node_data const &Nodedata );
     sound_source * deserialize_sound( cParser &Input, scene::scratch_data &Scratchpad, scene::node_data const &Nodedata );
 	void init_time();
@@ -78,6 +80,7 @@ private:
     void skip_until( cParser &Input, std::string const &Token );
     // transforms provided location by specifed rotation and offset
     glm::dvec3 transform( glm::dvec3 Location, scene::scratch_data const &Scratchpad );
+	void export_nodes_to_stream(std::ostream &, bool Dirty) const;
 };
 
 } // simulation

uilayer.cpp

@@ -39,7 +39,7 @@ void ui_panel::render()
 	int flags = window_flags;
 	if (flags == -1)
 		flags = ImGuiWindowFlags_NoFocusOnAppearing | ImGuiWindowFlags_NoCollapse |
-		        ((size.x > 0 || size_min.x > 0) ? ImGuiWindowFlags_NoResize : 0);
+		        ((size.x > 0) ? ImGuiWindowFlags_NoResize : 0);
 
     if (size.x > 0)
         ImGui::SetNextWindowSize(ImVec2(size.x, size.y));