multimaterial support, "preset"

each preset contains visibility, flags and material

src/widgets/view_editor.cpp

@@ -46,6 +46,8 @@ void ViewEditor::assignQGLView(QGLView * v) {
 	view = v;
 	if (!view) return;
 	active = false;
+	connect(view->scene(), &Scene::presetChanged, this, [this](int p) { ui->labelPreset->setNum(p); });
+	ui->labelPreset->setNum(view->scene()->preset());
 	ui->spinFOV->setValue(view->FOV());
 	ui->spinDepthStart->setValue(view->depthStart());
 	ui->checkHoverHalo->setChecked(view->isHoverHaloEnabled());
@@ -213,6 +215,11 @@ void ViewEditor::on_buttonHDRSelect_clicked() {
 }
 
 
+void ViewEditor::on_buttonPresetSet_clicked() {
+	view->scene()->setPreset(ui->spinPreset->value());
+}
+
+
 void ViewEditor::on_colorFogBack_colorChanged(const QColor & color) {
 	if (!view || !active) return;
 	view->setFogColor(color);