106 lines
2.7 KiB
C++
106 lines
2.7 KiB
C++
/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file modelNode.h
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* @author drose
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* @date 2002-03-16
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*/
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#ifndef MODELNODE_H
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#define MODELNODE_H
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#include "pandabase.h"
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#include "pandaNode.h"
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/**
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* This node is placed at key points within the scene graph to indicate the
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* roots of "models": subtrees that are conceptually to be treated as a single
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* unit, like a car or a room, for instance. It doesn't affect rendering or
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* any other operations; it's primarily useful as a high-level model
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* indication.
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*
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* ModelNodes are created in response to a <Model> { 1 } flag within an egg
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* file.
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*/
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class EXPCL_PANDA_PGRAPH ModelNode : public PandaNode {
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PUBLISHED:
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explicit INLINE ModelNode(const std::string &name);
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protected:
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INLINE ModelNode(const ModelNode ©);
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public:
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virtual PandaNode *make_copy() const;
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virtual PandaNode *combine_with(PandaNode *other);
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virtual bool safe_to_flatten() const;
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virtual bool safe_to_flatten_below() const;
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virtual bool safe_to_transform() const;
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virtual bool safe_to_modify_transform() const;
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virtual bool safe_to_combine() const;
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virtual bool preserve_name() const;
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virtual int get_unsafe_to_apply_attribs() const;
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PUBLISHED:
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enum PreserveTransform {
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PT_none,
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PT_local,
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PT_net,
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PT_drop_node,
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PT_no_touch,
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};
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INLINE void set_preserve_transform(PreserveTransform preserve_transform);
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INLINE PreserveTransform get_preserve_transform() const;
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INLINE void set_preserve_attributes(int attrib_mask);
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INLINE int get_preserve_attributes() const;
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void set_transform_limit(PN_stdfloat limit) { _transform_limit = limit; };
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private:
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PreserveTransform _preserve_transform;
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int _preserve_attributes;
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public:
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static void register_with_read_factory();
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virtual void write_datagram(BamWriter *manager, Datagram &dg);
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protected:
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static TypedWritable *make_from_bam(const FactoryParams ¶ms);
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void fillin(DatagramIterator &scan, BamReader *manager);
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virtual void transform_changed();
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void test_transform(const TransformState *ts) const;
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PN_stdfloat _transform_limit;
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public:
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static TypeHandle get_class_type() {
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return _type_handle;
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}
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static void init_type() {
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PandaNode::init_type();
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register_type(_type_handle, "ModelNode",
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PandaNode::get_class_type());
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}
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virtual TypeHandle get_type() const {
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return get_class_type();
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}
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virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
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private:
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static TypeHandle _type_handle;
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};
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#include "modelNode.I"
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#endif
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