Several performance improvements, mainly in loading and instancing scenes and resources.

A general speedup should be apparent, with even more peformance increase when compiling optimized.

WARNING: Tested and it seems to work, but if something breaks, please report.

8 files changed, 50 insertions, 50 deletions

diff --git a/scene/gui/base_button.cpp b/scene/gui/base_button.cpp
index 8b6f433c9c..965e7f399d 100644
--- a/scene/gui/base_button.cpp
+++ b/scene/gui/base_button.cpp
@@ -390,10 +390,10 @@ void BaseButton::_bind_methods() {
 	ADD_SIGNAL( MethodInfo("pressed" ) );
 	ADD_SIGNAL( MethodInfo("released" ) );
 	ADD_SIGNAL( MethodInfo("toggled", PropertyInfo( Variant::BOOL,"pressed") ) );
-	ADD_PROPERTY( PropertyInfo( Variant::BOOL, "disabled"), _SCS("set_disabled"), _SCS("is_disabled"));
+	ADD_PROPERTYNZ( PropertyInfo( Variant::BOOL, "disabled"), _SCS("set_disabled"), _SCS("is_disabled"));
 	ADD_PROPERTY( PropertyInfo( Variant::BOOL, "toggle_mode"), _SCS("set_toggle_mode"), _SCS("is_toggle_mode"));
-    ADD_PROPERTY( PropertyInfo( Variant::BOOL, "is_pressed"), _SCS("set_pressed"), _SCS("is_pressed"));
-	ADD_PROPERTY( PropertyInfo( Variant::BOOL, "click_on_press"), _SCS("set_click_on_press"), _SCS("get_click_on_press"));
+	ADD_PROPERTYNZ( PropertyInfo( Variant::BOOL, "is_pressed"), _SCS("set_pressed"), _SCS("is_pressed"));
+	ADD_PROPERTYNZ( PropertyInfo( Variant::BOOL, "click_on_press"), _SCS("set_click_on_press"), _SCS("get_click_on_press"));
 
 
 	BIND_CONSTANT( DRAW_NORMAL );
diff --git a/scene/gui/button.cpp b/scene/gui/button.cpp
index b465db5c80..edeb18bfc1 100644
--- a/scene/gui/button.cpp
+++ b/scene/gui/button.cpp
@@ -225,11 +225,11 @@ void Button::_bind_methods() {
 	ObjectTypeDB::bind_method(_MD("get_text_align"),&Button::get_text_align);
 	ObjectTypeDB::bind_method(_MD("is_flat"),&Button::is_flat);
 
-	ADD_PROPERTY( PropertyInfo( Variant::STRING, "text", PROPERTY_HINT_NONE,"",PROPERTY_USAGE_DEFAULT_INTL ), _SCS("set_text"),_SCS("get_text") );
-	ADD_PROPERTY( PropertyInfo( Variant::OBJECT, "icon", PROPERTY_HINT_RESOURCE_TYPE, "Texture" ), _SCS("set_button_icon"),_SCS("get_button_icon") );
+	ADD_PROPERTYNZ( PropertyInfo( Variant::STRING, "text", PROPERTY_HINT_NONE,"",PROPERTY_USAGE_DEFAULT_INTL ), _SCS("set_text"),_SCS("get_text") );
+	ADD_PROPERTYNZ( PropertyInfo( Variant::OBJECT, "icon", PROPERTY_HINT_RESOURCE_TYPE, "Texture" ), _SCS("set_button_icon"),_SCS("get_button_icon") );
 	ADD_PROPERTY( PropertyInfo( Variant::BOOL, "flat" ), _SCS("set_flat"),_SCS("is_flat") );
-	ADD_PROPERTY( PropertyInfo( Variant::BOOL, "clip_text" ), _SCS("set_clip_text"),_SCS("get_clip_text") );
-	ADD_PROPERTY( PropertyInfo( Variant::INT, "align",PROPERTY_HINT_ENUM,"Left,Center,Right" ), _SCS("set_text_align"),_SCS("get_text_align") );
+	ADD_PROPERTYNZ( PropertyInfo( Variant::BOOL, "clip_text" ), _SCS("set_clip_text"),_SCS("get_clip_text") );
+	ADD_PROPERTYNO( PropertyInfo( Variant::INT, "align",PROPERTY_HINT_ENUM,"Left,Center,Right" ), _SCS("set_text_align"),_SCS("get_text_align") );
 
 }
 
diff --git a/scene/gui/button_array.cpp b/scene/gui/button_array.cpp
index 7f565de244..b86e32dda7 100644
--- a/scene/gui/button_array.cpp
+++ b/scene/gui/button_array.cpp
@@ -34,7 +34,7 @@ bool ButtonArray::_set(const StringName& p_name, const Variant& p_value) {
 	String n=String(p_name);
 	if (n.begins_with("button/")) {
 
-		String what = n.get_slice("/",1);
+		String what = n.get_slicec('/',1);
 		if (what=="count") {
 			int new_size=p_value;
 			if (new_size>0 && buttons.size()==0) {
@@ -57,7 +57,7 @@ bool ButtonArray::_set(const StringName& p_name, const Variant& p_value) {
 		} else {
 			int idx=what.to_int();
 			ERR_FAIL_INDEX_V(idx,buttons.size(),false);
-			String f = n.get_slice("/",2);
+			String f = n.get_slicec('/',2);
 			if (f=="text")
 				buttons[idx].text=p_value;
 			else if (f=="icon")
@@ -80,7 +80,7 @@ bool ButtonArray::_get(const StringName& p_name,Variant &r_ret) const {
 	String n=String(p_name);
 	if (n.begins_with("button/")) {
 
-		String what = n.get_slice("/",1);
+		String what = n.get_slicec('/',1);
 		if (what=="count") {
 			r_ret=buttons.size();
 		} else if (what=="align") {
@@ -92,7 +92,7 @@ bool ButtonArray::_get(const StringName& p_name,Variant &r_ret) const {
 		} else {
 			int idx=what.to_int();
 			ERR_FAIL_INDEX_V(idx,buttons.size(),false);
-			String f = n.get_slice("/",2);
+			String f = n.get_slicec('/',2);
 			if (f=="text")
 				r_ret=buttons[idx].text;
 			else if (f=="icon")
diff --git a/scene/gui/control.cpp b/scene/gui/control.cpp
index 2367c03e99..a1c0644650 100644
--- a/scene/gui/control.cpp
+++ b/scene/gui/control.cpp
@@ -136,27 +136,27 @@ bool Control::_set(const StringName& p_name, const Variant& p_value) {
 	if (p_value.get_type()==Variant::NIL) {
 
 		if (name.begins_with("custom_icons/")) {
-			String dname = name.get_slice("/",1);
+			String dname = name.get_slicec('/',1);
 			data.icon_override.erase(dname);
 			notification(NOTIFICATION_THEME_CHANGED);
 			update();
 		} else if (name.begins_with("custom_styles/")) {
-			String dname = name.get_slice("/",1);
+			String dname = name.get_slicec('/',1);
 			data.style_override.erase(dname);
 			notification(NOTIFICATION_THEME_CHANGED);
 			update();
 		} else if (name.begins_with("custom_fonts/")) {
-			String dname = name.get_slice("/",1);
+			String dname = name.get_slicec('/',1);
 			data.font_override.erase(dname);
 			notification(NOTIFICATION_THEME_CHANGED);
 			update();
 		} else if (name.begins_with("custom_colors/")) {
-			String dname = name.get_slice("/",1);
+			String dname = name.get_slicec('/',1);
 			data.color_override.erase(dname);
 			notification(NOTIFICATION_THEME_CHANGED);
 			update();
 		} else if (name.begins_with("custom_constants/")) {
-			String dname = name.get_slice("/",1);
+			String dname = name.get_slicec('/',1);
 			data.constant_override.erase(dname);
 			notification(NOTIFICATION_THEME_CHANGED);
 			update();
@@ -165,23 +165,23 @@ bool Control::_set(const StringName& p_name, const Variant& p_value) {
 
 	} else {
 		if (name.begins_with("custom_icons/")) {
-			String dname = name.get_slice("/",1);
+			String dname = name.get_slicec('/',1);
 			notification(NOTIFICATION_THEME_CHANGED);
 			add_icon_override(dname,p_value);
 		} else if (name.begins_with("custom_styles/")) {
-			String dname = name.get_slice("/",1);
+			String dname = name.get_slicec('/',1);
 			add_style_override(dname,p_value);
 			notification(NOTIFICATION_THEME_CHANGED);
 		} else if (name.begins_with("custom_fonts/")) {
-			String dname = name.get_slice("/",1);
+			String dname = name.get_slicec('/',1);
 			add_font_override(dname,p_value);
 			notification(NOTIFICATION_THEME_CHANGED);
 		} else if (name.begins_with("custom_colors/")) {
-			String dname = name.get_slice("/",1);
+			String dname = name.get_slicec('/',1);
 			add_color_override(dname,p_value);
 			notification(NOTIFICATION_THEME_CHANGED);
 		} else if (name.begins_with("custom_constants/")) {
-			String dname = name.get_slice("/",1);
+			String dname = name.get_slicec('/',1);
 			add_constant_override(dname,p_value);
 			notification(NOTIFICATION_THEME_CHANGED);
 		} else
@@ -217,22 +217,22 @@ bool Control::_get(const StringName& p_name,Variant &r_ret) const {
 		return false;
 
 	if (sname.begins_with("custom_icons/")) {
-		String name = sname.get_slice("/",1);
+		String name = sname.get_slicec('/',1);
 
 		r_ret= data.icon_override.has(name)?Variant(data.icon_override[name]):Variant();
 	} else if (sname.begins_with("custom_styles/")) {
-		String name = sname.get_slice("/",1);
+		String name = sname.get_slicec('/',1);
 
 		r_ret= data.style_override.has(name)?Variant(data.style_override[name]):Variant();
 	} else if (sname.begins_with("custom_fonts/")) {
-		String name = sname.get_slice("/",1);
+		String name = sname.get_slicec('/',1);
 
 		r_ret= data.font_override.has(name)?Variant(data.font_override[name]):Variant();
 	} else if (sname.begins_with("custom_colors/")) {
-		String name = sname.get_slice("/",1);
+		String name = sname.get_slicec('/',1);
 		r_ret= data.color_override.has(name)?Variant(data.color_override[name]):Variant();
 	} else if (sname.begins_with("custom_constants/")) {
-		String name = sname.get_slice("/",1);
+		String name = sname.get_slicec('/',1);
 
 		r_ret= data.constant_override.has(name)?Variant(data.constant_override[name]):Variant();
 	} else
@@ -2832,16 +2832,16 @@ void Control::_bind_methods() {
 	ADD_PROPERTYNZ( PropertyInfo(Variant::VECTOR2,"rect/size", PROPERTY_HINT_NONE, "",PROPERTY_USAGE_EDITOR), _SCS("set_size"),_SCS("get_size") );
 	ADD_PROPERTYNZ( PropertyInfo(Variant::VECTOR2,"rect/min_size"), _SCS("set_custom_minimum_size"),_SCS("get_custom_minimum_size") );
 	ADD_PROPERTYNZ( PropertyInfo(Variant::STRING,"hint/tooltip", PROPERTY_HINT_MULTILINE_TEXT), _SCS("set_tooltip"),_SCS("_get_tooltip") );
-	ADD_PROPERTYI( PropertyInfo(Variant::NODE_PATH,"focus_neighbour/left" ), _SCS("set_focus_neighbour"),_SCS("get_focus_neighbour"),MARGIN_LEFT );
-	ADD_PROPERTYI( PropertyInfo(Variant::NODE_PATH,"focus_neighbour/top" ), _SCS("set_focus_neighbour"),_SCS("get_focus_neighbour"),MARGIN_TOP );
-	ADD_PROPERTYI( PropertyInfo(Variant::NODE_PATH,"focus_neighbour/right" ), _SCS("set_focus_neighbour"),_SCS("get_focus_neighbour"),MARGIN_RIGHT );
-	ADD_PROPERTYI( PropertyInfo(Variant::NODE_PATH,"focus_neighbour/bottom" ), _SCS("set_focus_neighbour"),_SCS("get_focus_neighbour"),MARGIN_BOTTOM );
+	ADD_PROPERTYINZ( PropertyInfo(Variant::NODE_PATH,"focus_neighbour/left" ), _SCS("set_focus_neighbour"),_SCS("get_focus_neighbour"),MARGIN_LEFT );
+	ADD_PROPERTYINZ( PropertyInfo(Variant::NODE_PATH,"focus_neighbour/top" ), _SCS("set_focus_neighbour"),_SCS("get_focus_neighbour"),MARGIN_TOP );
+	ADD_PROPERTYINZ( PropertyInfo(Variant::NODE_PATH,"focus_neighbour/right" ), _SCS("set_focus_neighbour"),_SCS("get_focus_neighbour"),MARGIN_RIGHT );
+	ADD_PROPERTYINZ( PropertyInfo(Variant::NODE_PATH,"focus_neighbour/bottom" ), _SCS("set_focus_neighbour"),_SCS("get_focus_neighbour"),MARGIN_BOTTOM );
 	ADD_PROPERTY( PropertyInfo(Variant::BOOL,"focus/ignore_mouse"), _SCS("set_ignore_mouse"),_SCS("is_ignoring_mouse") );
 	ADD_PROPERTY( PropertyInfo(Variant::BOOL,"focus/stop_mouse"), _SCS("set_stop_mouse"),_SCS("is_stopping_mouse") );
 
 	ADD_PROPERTYNZ( PropertyInfo(Variant::INT,"size_flags/horizontal", PROPERTY_HINT_FLAGS, "Expand,Fill"), _SCS("set_h_size_flags"),_SCS("get_h_size_flags") );
 	ADD_PROPERTYNZ( PropertyInfo(Variant::INT,"size_flags/vertical", PROPERTY_HINT_FLAGS, "Expand,Fill"), _SCS("set_v_size_flags"),_SCS("get_v_size_flags") );
-	ADD_PROPERTY( PropertyInfo(Variant::INT,"size_flags/stretch_ratio", PROPERTY_HINT_RANGE, "1,128,0.01"), _SCS("set_stretch_ratio"),_SCS("get_stretch_ratio") );
+	ADD_PROPERTYNO( PropertyInfo(Variant::INT,"size_flags/stretch_ratio", PROPERTY_HINT_RANGE, "1,128,0.01"), _SCS("set_stretch_ratio"),_SCS("get_stretch_ratio") );
 	ADD_PROPERTYNZ( PropertyInfo(Variant::OBJECT,"theme/theme", PROPERTY_HINT_RESOURCE_TYPE, "Theme"), _SCS("set_theme"),_SCS("get_theme") );
 
 	BIND_CONSTANT( ANCHOR_BEGIN );
diff --git a/scene/gui/label.cpp b/scene/gui/label.cpp
index 27d0f568a2..e7af4fa349 100644
--- a/scene/gui/label.cpp
+++ b/scene/gui/label.cpp
@@ -613,11 +613,11 @@ void Label::_bind_methods() {
 	BIND_CONSTANT( VALIGN_BOTTOM );
 	BIND_CONSTANT( VALIGN_FILL );
 
-	ADD_PROPERTY( PropertyInfo( Variant::STRING, "text",PROPERTY_HINT_MULTILINE_TEXT,"",PROPERTY_USAGE_DEFAULT_INTL), _SCS("set_text"),_SCS("get_text") );
-	ADD_PROPERTY( PropertyInfo( Variant::INT, "align", PROPERTY_HINT_ENUM,"Left,Center,Right,Fill" ),_SCS("set_align"),_SCS("get_align") );
-	ADD_PROPERTY( PropertyInfo( Variant::INT, "valign", PROPERTY_HINT_ENUM,"Top,Center,Bottom,Fill" ),_SCS("set_valign"),_SCS("get_valign") );
-	ADD_PROPERTY( PropertyInfo( Variant::BOOL, "autowrap"),_SCS("set_autowrap"),_SCS("has_autowrap") );
-	ADD_PROPERTY( PropertyInfo( Variant::BOOL, "uppercase"),_SCS("set_uppercase"),_SCS("is_uppercase") );
+	ADD_PROPERTYNZ( PropertyInfo( Variant::STRING, "text",PROPERTY_HINT_MULTILINE_TEXT,"",PROPERTY_USAGE_DEFAULT_INTL), _SCS("set_text"),_SCS("get_text") );
+	ADD_PROPERTYNZ( PropertyInfo( Variant::INT, "align", PROPERTY_HINT_ENUM,"Left,Center,Right,Fill" ),_SCS("set_align"),_SCS("get_align") );
+	ADD_PROPERTYNZ( PropertyInfo( Variant::INT, "valign", PROPERTY_HINT_ENUM,"Top,Center,Bottom,Fill" ),_SCS("set_valign"),_SCS("get_valign") );
+	ADD_PROPERTYNZ( PropertyInfo( Variant::BOOL, "autowrap"),_SCS("set_autowrap"),_SCS("has_autowrap") );
+	ADD_PROPERTYNZ( PropertyInfo( Variant::BOOL, "uppercase"),_SCS("set_uppercase"),_SCS("is_uppercase") );
 	ADD_PROPERTY( PropertyInfo( Variant::REAL, "percent_visible", PROPERTY_HINT_RANGE,"0,1,0.001"),_SCS("set_percent_visible"),_SCS("get_percent_visible") );
 
 }
diff --git a/scene/gui/texture_button.cpp b/scene/gui/texture_button.cpp
index 823fd55c6e..5b2caecb5b 100644
--- a/scene/gui/texture_button.cpp
+++ b/scene/gui/texture_button.cpp
@@ -157,14 +157,14 @@ void TextureButton::_bind_methods() {
 	ObjectTypeDB::bind_method(_MD("get_scale"),&TextureButton::get_scale);
 	ObjectTypeDB::bind_method(_MD("get_modulate"),&TextureButton::get_modulate);
 
-	ADD_PROPERTY(PropertyInfo(Variant::OBJECT,"textures/normal",PROPERTY_HINT_RESOURCE_TYPE,"Texture"), _SCS("set_normal_texture"), _SCS("get_normal_texture"));
-	ADD_PROPERTY(PropertyInfo(Variant::OBJECT,"textures/pressed",PROPERTY_HINT_RESOURCE_TYPE,"Texture"), _SCS("set_pressed_texture"), _SCS("get_pressed_texture"));
-	ADD_PROPERTY(PropertyInfo(Variant::OBJECT,"textures/hover",PROPERTY_HINT_RESOURCE_TYPE,"Texture"), _SCS("set_hover_texture"), _SCS("get_hover_texture"));
-	ADD_PROPERTY(PropertyInfo(Variant::OBJECT,"textures/disabled",PROPERTY_HINT_RESOURCE_TYPE,"Texture"), _SCS("set_disabled_texture"), _SCS("get_disabled_texture"));
-	ADD_PROPERTY(PropertyInfo(Variant::OBJECT,"textures/focused",PROPERTY_HINT_RESOURCE_TYPE,"Texture"), _SCS("set_focused_texture"), _SCS("get_focused_texture"));
-	ADD_PROPERTY(PropertyInfo(Variant::OBJECT,"textures/click_mask",PROPERTY_HINT_RESOURCE_TYPE,"BitMap"), _SCS("set_click_mask"), _SCS("get_click_mask")) ;
-	ADD_PROPERTY(PropertyInfo(Variant::VECTOR2,"params/scale",PROPERTY_HINT_RANGE,"0.01,1024,0.01"), _SCS("set_scale"), _SCS("get_scale"));
-	ADD_PROPERTY(PropertyInfo(Variant::COLOR,"params/modulate"), _SCS("set_modulate"), _SCS("get_modulate"));
+	ADD_PROPERTYNZ(PropertyInfo(Variant::OBJECT,"textures/normal",PROPERTY_HINT_RESOURCE_TYPE,"Texture"), _SCS("set_normal_texture"), _SCS("get_normal_texture"));
+	ADD_PROPERTYNZ(PropertyInfo(Variant::OBJECT,"textures/pressed",PROPERTY_HINT_RESOURCE_TYPE,"Texture"), _SCS("set_pressed_texture"), _SCS("get_pressed_texture"));
+	ADD_PROPERTYNZ(PropertyInfo(Variant::OBJECT,"textures/hover",PROPERTY_HINT_RESOURCE_TYPE,"Texture"), _SCS("set_hover_texture"), _SCS("get_hover_texture"));
+	ADD_PROPERTYNZ(PropertyInfo(Variant::OBJECT,"textures/disabled",PROPERTY_HINT_RESOURCE_TYPE,"Texture"), _SCS("set_disabled_texture"), _SCS("get_disabled_texture"));
+	ADD_PROPERTYNZ(PropertyInfo(Variant::OBJECT,"textures/focused",PROPERTY_HINT_RESOURCE_TYPE,"Texture"), _SCS("set_focused_texture"), _SCS("get_focused_texture"));
+	ADD_PROPERTYNZ(PropertyInfo(Variant::OBJECT,"textures/click_mask",PROPERTY_HINT_RESOURCE_TYPE,"BitMap"), _SCS("set_click_mask"), _SCS("get_click_mask")) ;
+	ADD_PROPERTYNO(PropertyInfo(Variant::VECTOR2,"params/scale",PROPERTY_HINT_RANGE,"0.01,1024,0.01"), _SCS("set_scale"), _SCS("get_scale"));
+	ADD_PROPERTYNO(PropertyInfo(Variant::COLOR,"params/modulate"), _SCS("set_modulate"), _SCS("get_modulate"));
 
 }
 
diff --git a/scene/gui/texture_frame.cpp b/scene/gui/texture_frame.cpp
index 931fb1cb1a..5a6bc86638 100644
--- a/scene/gui/texture_frame.cpp
+++ b/scene/gui/texture_frame.cpp
@@ -77,9 +77,9 @@ void TextureFrame::_bind_methods() {
 	ObjectTypeDB::bind_method(_MD("set_expand","enable"), & TextureFrame::set_expand );
 	ObjectTypeDB::bind_method(_MD("has_expand"), & TextureFrame::has_expand );
 
-	ADD_PROPERTY( PropertyInfo( Variant::OBJECT, "texture", PROPERTY_HINT_RESOURCE_TYPE, "Texture"), _SCS("set_texture"),_SCS("get_texture") );
-	ADD_PROPERTY( PropertyInfo( Variant::COLOR, "modulate"), _SCS("set_modulate"),_SCS("get_modulate") );
-	ADD_PROPERTY( PropertyInfo( Variant::BOOL, "expand" ), _SCS("set_expand"),_SCS("has_expand") );
+	ADD_PROPERTYNZ( PropertyInfo( Variant::OBJECT, "texture", PROPERTY_HINT_RESOURCE_TYPE, "Texture"), _SCS("set_texture"),_SCS("get_texture") );
+	ADD_PROPERTYNO( PropertyInfo( Variant::COLOR, "modulate"), _SCS("set_modulate"),_SCS("get_modulate") );
+	ADD_PROPERTYNZ( PropertyInfo( Variant::BOOL, "expand" ), _SCS("set_expand"),_SCS("has_expand") );
 
 }
 
diff --git a/scene/gui/tree.cpp b/scene/gui/tree.cpp
index a09920cb2b..6c15f1cae4 100644
--- a/scene/gui/tree.cpp
+++ b/scene/gui/tree.cpp
@@ -1106,7 +1106,7 @@ int Tree::draw_item(const Point2i& p_pos,const Point2& p_draw_ofs, const Size2&
 						int option = (int)p_item->cells[i].val;
 
 						String s = p_item->cells[i].text;
-						s=s.get_slice(",",option);
+						s=s.get_slicec(',',option);
 
 						Ref<Texture> downarrow = cache.select_arrow;
 
@@ -1527,7 +1527,7 @@ int Tree::propagate_mouse_event(const Point2i &p_pos,int x_ofs,int y_ofs,bool p_
 					popup_menu->clear();
 					for (int i=0;i<c.text.get_slice_count(",");i++) {
 
-						String s = c.text.get_slice(",",i);
+						String s = c.text.get_slicec(',',i);
 						popup_menu->add_item(s,i);
 
 					}
@@ -2234,7 +2234,7 @@ bool Tree::edit_selected() {
 		popup_menu->clear();
 		for (int i=0;i<c.text.get_slice_count(",");i++) {
 
-			String s = c.text.get_slice(",",i);
+			String s = c.text.get_slicec(',',i);
 			popup_menu->add_item(s,i);
 
 		}