GRAPHICS: Add Model::forceTransparent()

src/graphics/aurora/model.cpp

@@ -282,6 +282,33 @@ void Model::showBoundingBox(bool show) {
 	}
 }
 
+void Model::forceTransparent() {
+	Renderable::forceTransparent();
+}
+
+void Model::forceTransparent(const Common::UString &node) {
+	forceTransparent(getNode(node));
+}
+
+void Model::forceTransparent(Ogre::SceneNode *node) {
+	if (!node)
+		return;
+
+	for (uint i = 0; i < node->numAttachedObjects(); i++) {
+		Ogre::MovableObject *object = node->getAttachedObject(i);
+
+		Ogre::Entity *entity = dynamic_cast<Ogre::Entity *>(object);
+		if (!entity)
+			continue;
+
+		for (uint j = 0; j < entity->getNumSubEntities(); j++) {
+			Ogre::SubEntity *subEntity = entity->getSubEntity(j);
+
+			MaterialMan.setTransparent(subEntity->getMaterial(), true);
+		}
+	}
+}
+
 void Model::makeDynamic() {
 	_materials.clear();
 

src/graphics/aurora/model.h

@@ -91,6 +91,13 @@ class Model : public Renderable {
 	/** Show/Hide the bouding box(es) of this model. */
 	void showBoundingBox(bool show);
 
+	/** Force the handling of the whole model as a transparent object. */
+	void forceTransparent();
+	/** Force the handling of this model node as a transparent object. */
+	void forceTransparent(const Common::UString &node);
+	/** Force the handling of this model node as a transparent object. */
+	void forceTransparent(Ogre::SceneNode *node);
+
 	/** Convert all materials used by the model into dynamic materials. */
 	void makeDynamic();