ObjectBase materials for custom preset

src/core/scene/globject.cpp

@@ -521,6 +521,14 @@ void ObjectBase::setPreset(int preset) {
 }
 
 
+QVector<int> ObjectBase::availablePresets() const {
+	QVector<int> ret;
+	for (int i = 0; i < presets.size(); ++i)
+		ret << i;
+	return ret;
+}
+
+
 void ObjectBase::setMatrix(const QMatrix4x4 & t) {
 	// raw_matrix = true;
 	// mat_ = t;
@@ -636,13 +644,30 @@ ObjectBase * ObjectBase::selectedParent() const {
 void ObjectBase::setMaterial(Material * m, bool with_children) {
 	currentPreset().material = m;
 	if (with_children)
-		foreach(ObjectBase * i, children_)
+		for (auto * i: children_)
 			i->setMaterial(m, true);
 	setObjectsChanged();
 	if (scene_) scene_->mat_changed = scene_->tree_changed = true;
 }
 
 
+void ObjectBase::setMaterialForPreset(Material * m, int p, bool with_children) {
+	if (p < 0 || p >= presets.size()) return;
+	presets[p].material = m;
+	if (with_children)
+		for (auto * i: children_)
+			i->setMaterialForPreset(m, p, true);
+	setObjectsChanged();
+	if (scene_) scene_->mat_changed = scene_->tree_changed = true;
+}
+
+
+Material * ObjectBase::materialForPreset(int p) {
+	if (p < 0 || p >= presets.size()) return nullptr;
+	return presets[p].material;
+}
+
+
 void ObjectBase::setColor(QColor c, bool with_children) {
 	color_ = c;
 	if (with_children)

src/core/scene/globject.h

@@ -179,7 +179,9 @@ public:
 	void setDestAlpha(GLenum mode) { blend_dest = mode; }
 
 	void setMaterial(Material * m, bool with_children = false);
+	void setMaterialForPreset(Material * m, int p, bool with_children = false);
 	Material * material() { return currentPreset().material; }
+	Material * materialForPreset(int p);
 
 	void setColor(QColor c, bool with_children = false);
 	QColor color() { return color_; }
@@ -198,6 +200,8 @@ public:
 
 	void setPreset(int preset);
 
+	QVector<int> availablePresets() const;
+
 	QVector3D pos_h;
 
 protected: