C++ Object::type方法代码示例

bool BlenderSync::object_is_mesh(BL::Object& b_ob)
{
	BL::ID b_ob_data = b_ob.data();

	if(!b_ob_data) {
		return false;
	}

	if(b_ob.type() == BL::Object::type_CURVE) {
		/* Skip exporting curves without faces, overhead can be
		 * significant if there are many for path animation. */
		BL::Curve b_curve(b_ob.data());

		return (b_curve.bevel_object() ||
		        b_curve.extrude() != 0.0f ||
		        b_curve.bevel_depth() != 0.0f ||
		        b_curve.dimensions() == BL::Curve::dimensions_2D ||
		        b_ob.modifiers.length());
	}
	else {
		return (b_ob_data.is_a(&RNA_Mesh) ||
		        b_ob_data.is_a(&RNA_Curve) ||
		        b_ob_data.is_a(&RNA_MetaBall));
	}
}

CCL_NAMESPACE_BEGIN

/* Utilities */

bool BlenderSync::BKE_object_is_modified(BL::Object& b_ob)
{
	/* test if we can instance or if the object is modified */
	if(b_ob.type() == BL::Object::type_META) {
		/* multi-user and dupli metaballs are fused, can't instance */
		return true;
	}
	else if(ccl::BKE_object_is_modified(b_ob, b_scene, preview)) {
		/* modifiers */
		return true;
	}
	else {
		/* object level material links */
		BL::Object::material_slots_iterator slot;
		for(b_ob.material_slots.begin(slot); slot != b_ob.material_slots.end(); ++slot)
			if(slot->link() == BL::MaterialSlot::link_OBJECT)
				return true;
	}

	return false;
}

static bool object_render_hide(BL::Object b_ob, bool top_level, bool parent_hide, bool& hide_triangles)
{
	/* check if we should render or hide particle emitter */
	BL::Object::particle_systems_iterator b_psys;

	bool hair_present = false;
	bool show_emitter = false;
	bool hide_emitter = false;
	bool hide_as_dupli_parent = false;
	bool hide_as_dupli_child_original = false;

	for(b_ob.particle_systems.begin(b_psys); b_psys != b_ob.particle_systems.end(); ++b_psys) {
		if((b_psys->settings().render_type() == BL::ParticleSettings::render_type_PATH) &&
		   (b_psys->settings().type()==BL::ParticleSettings::type_HAIR))
			hair_present = true;

		if(b_psys->settings().use_render_emitter())
			show_emitter = true;
		else
			hide_emitter = true;
	}

	if(show_emitter)
		hide_emitter = false;

	/* duplicators hidden by default, except dupliframes which duplicate self */
	if(b_ob.is_duplicator())
		if(top_level || b_ob.dupli_type() != BL::Object::dupli_type_FRAMES)
			hide_as_dupli_parent = true;

	/* hide original object for duplis */
	BL::Object parent = b_ob.parent();
	if(parent && object_render_hide_original(b_ob.type(), parent.dupli_type()))
		if(parent_hide)
			hide_as_dupli_child_original = true;
	
	hide_triangles = hide_emitter;

	if(show_emitter) {
		return false;
	}
	else if(hair_present) {
		return hide_as_dupli_child_original;
	}
	else {
		return (hide_as_dupli_parent || hide_as_dupli_child_original);
	}
}

static bool object_render_hide_duplis(BL::Object b_ob)
{
	BL::Object parent = b_ob.parent();

	return (parent && object_render_hide_original(b_ob.type(), parent.dupli_type()));
}