160 lines
4.5 KiB
C
160 lines
4.5 KiB
C
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/**
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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 eggNode.h
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* @author drose
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* @date 1999-01-16
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*/
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#ifndef EGGNODE_H
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#define EGGNODE_H
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#include "pandabase.h"
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#include "eggNamedObject.h"
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#include "typedObject.h"
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#include "lmatrix.h"
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#include "pointerTo.h"
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#include "referenceCount.h"
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class EggGroupNode;
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class EggRenderMode;
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class EggTextureCollection;
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/**
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* A base class for things that may be directly added into the egg hierarchy.
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* This includes groups, joints, polygons, vertex pools, etc., but does not
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* include things like vertices.
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*/
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class EXPCL_PANDA_EGG EggNode : public EggNamedObject {
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PUBLISHED:
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INLINE explicit EggNode(const std::string &name = "");
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INLINE EggNode(const EggNode ©);
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INLINE EggNode &operator = (const EggNode ©);
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INLINE EggGroupNode *get_parent() const;
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INLINE int get_depth() const;
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INLINE bool is_under_instance() const;
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INLINE bool is_under_transform() const;
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INLINE bool is_local_coord() const;
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MAKE_PROPERTY(parent, get_parent);
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MAKE_PROPERTY(depth, get_depth);
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INLINE const LMatrix4d &get_vertex_frame() const;
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INLINE const LMatrix4d &get_node_frame() const;
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INLINE const LMatrix4d &get_vertex_frame_inv() const;
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INLINE const LMatrix4d &get_node_frame_inv() const;
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INLINE const LMatrix4d &get_vertex_to_node() const;
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INLINE const LMatrix4d &get_node_to_vertex() const;
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INLINE const LMatrix4d *get_vertex_frame_ptr() const;
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INLINE const LMatrix4d *get_node_frame_ptr() const;
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INLINE const LMatrix4d *get_vertex_frame_inv_ptr() const;
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INLINE const LMatrix4d *get_node_frame_inv_ptr() const;
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INLINE const LMatrix4d *get_vertex_to_node_ptr() const;
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INLINE const LMatrix4d *get_node_to_vertex_ptr() const;
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INLINE void transform(const LMatrix4d &mat);
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INLINE void transform_vertices_only(const LMatrix4d &mat);
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INLINE void flatten_transforms();
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void apply_texmats();
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int rename_node(vector_string strip_prefix);
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virtual bool is_joint() const;
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virtual bool is_anim_matrix() const;
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virtual EggRenderMode *determine_alpha_mode();
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virtual EggRenderMode *determine_depth_write_mode();
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virtual EggRenderMode *determine_depth_test_mode();
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virtual EggRenderMode *determine_visibility_mode();
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virtual EggRenderMode *determine_depth_offset();
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virtual EggRenderMode *determine_draw_order();
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virtual EggRenderMode *determine_bin();
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virtual bool determine_indexed();
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virtual bool determine_decal();
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virtual void write(std::ostream &out, int indent_level) const=0;
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bool parse_egg(const std::string &egg_syntax);
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#ifdef _DEBUG
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void test_under_integrity() const;
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#else
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void test_under_integrity() const { }
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#endif // _DEBUG
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protected:
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enum UnderFlags {
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UF_under_instance = 0x001,
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UF_under_transform = 0x002,
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UF_local_coord = 0x004,
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};
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virtual bool egg_start_parse_body();
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virtual void update_under(int depth_offset);
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virtual void adjust_under();
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virtual bool has_primitives() const;
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virtual bool joint_has_primitives() const;
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virtual bool has_normals() const;
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virtual void r_transform(const LMatrix4d &mat, const LMatrix4d &inv,
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CoordinateSystem to_cs);
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virtual void r_transform_vertices(const LMatrix4d &mat);
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virtual void r_mark_coordsys(CoordinateSystem cs);
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virtual void r_flatten_transforms();
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virtual void r_apply_texmats(EggTextureCollection &textures);
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// These members are updated automatically by prepare_add_child(),
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// prepare_remove_child(), and update_under(). Other functions shouldn't be
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// fiddling with them.
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EggGroupNode *_parent;
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int _depth;
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int _under_flags;
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typedef RefCountObj<LMatrix4d> MatrixFrame;
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PT(MatrixFrame) _vertex_frame;
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PT(MatrixFrame) _node_frame;
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PT(MatrixFrame) _vertex_frame_inv;
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PT(MatrixFrame) _node_frame_inv;
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PT(MatrixFrame) _vertex_to_node;
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PT(MatrixFrame) _node_to_vertex;
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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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EggNamedObject::init_type();
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register_type(_type_handle, "EggNode",
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EggNamedObject::get_class_type());
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MatrixFrame::init_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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friend class EggGroupNode;
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friend class EggTable;
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};
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#include "eggNode.I"
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#endif
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