Ability to shrink 3D viewport by half

2 files changed, 38 insertions, 1 deletions

diff --git a/scene/gui/viewport_container.cpp b/scene/gui/viewport_container.cpp
index c321b873fd..9244d8de2f 100644
--- a/scene/gui/viewport_container.cpp
+++ b/scene/gui/viewport_container.cpp
@@ -62,6 +62,34 @@ bool ViewportContainer::is_stretch_enabled() const {
 	return stretch;
 }
 
+void ViewportContainer::set_stretch_shrink(int p_shrink) {
+
+	ERR_FAIL_COND(p_shrink < 1);
+	if (shrink == p_shrink)
+		return;
+
+	shrink = p_shrink;
+
+	if (!stretch)
+		return;
+
+	for (int i = 0; i < get_child_count(); i++) {
+
+		Viewport *c = Object::cast_to<Viewport>(get_child(i));
+		if (!c)
+			continue;
+
+		c->set_size(get_size() / shrink);
+	}
+
+	update();
+}
+
+int ViewportContainer::get_stretch_shrink() const {
+
+	return shrink;
+}
+
 void ViewportContainer::_notification(int p_what) {
 
 	if (p_what == NOTIFICATION_RESIZED) {
@@ -75,7 +103,7 @@ void ViewportContainer::_notification(int p_what) {
 			if (!c)
 				continue;
 
-			c->set_size(get_size());
+			c->set_size(get_size() / shrink);
 		}
 	}
 
@@ -115,10 +143,15 @@ void ViewportContainer::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("set_stretch", "enable"), &ViewportContainer::set_stretch);
 	ClassDB::bind_method(D_METHOD("is_stretch_enabled"), &ViewportContainer::is_stretch_enabled);
 
+	ClassDB::bind_method(D_METHOD("set_stretch_shrink", "amount"), &ViewportContainer::set_stretch_shrink);
+	ClassDB::bind_method(D_METHOD("get_stretch_shrink"), &ViewportContainer::get_stretch_shrink);
+
 	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "stretch"), "set_stretch", "is_stretch_enabled");
+	ADD_PROPERTY(PropertyInfo(Variant::INT, "stretch_shrink"), "set_stretch_shrink", "get_stretch_shrink");
 }
 
 ViewportContainer::ViewportContainer() {
 
 	stretch = false;
+	shrink = 1;
 }
diff --git a/scene/gui/viewport_container.h b/scene/gui/viewport_container.h
index 630523b5fb..ebf5869ed9 100644
--- a/scene/gui/viewport_container.h
+++ b/scene/gui/viewport_container.h
@@ -37,6 +37,7 @@ class ViewportContainer : public Container {
 	GDCLASS(ViewportContainer, Container);
 
 	bool stretch;
+	int shrink;
 
 protected:
 	void _notification(int p_what);
@@ -46,6 +47,9 @@ public:
 	void set_stretch(bool p_enable);
 	bool is_stretch_enabled() const;
 
+	void set_stretch_shrink(int p_shrink);
+	int get_stretch_shrink() const;
+
 	virtual Size2 get_minimum_size() const;
 
 	ViewportContainer();