152 lines
4.8 KiB
C++
152 lines
4.8 KiB
C++
// Filename: textureAttrib.h
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// Created by: drose (21Feb02)
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//
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////////////////////////////////////////////////////////////////////
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//
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// PANDA 3D SOFTWARE
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// Copyright (c) 2001 - 2004, Disney Enterprises, Inc. All rights reserved
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//
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// All use of this software is subject to the terms of the Panda 3d
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// Software license. You should have received a copy of this license
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// along with this source code; you will also find a current copy of
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// the license at http://etc.cmu.edu/panda3d/docs/license/ .
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//
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// To contact the maintainers of this program write to
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// panda3d-general@lists.sourceforge.net .
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//
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////////////////////////////////////////////////////////////////////
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#ifndef TEXTUREATTRIB_H
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#define TEXTUREATTRIB_H
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#include "pandabase.h"
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#include "renderAttrib.h"
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#include "texture.h"
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#include "textureStage.h"
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#include "updateSeq.h"
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#include "indirectLess.h"
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#include "geom.h"
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#include "ordered_vector.h"
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////////////////////////////////////////////////////////////////////
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// Class : TextureAttrib
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// Description : Indicates which texture should be applied as the
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// primary texture. Also see TextureAttrib2 for the
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// secondary texture.
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////////////////////////////////////////////////////////////////////
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class EXPCL_PANDA TextureAttrib : public RenderAttrib {
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protected:
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INLINE TextureAttrib();
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INLINE TextureAttrib(const TextureAttrib ©);
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PUBLISHED:
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// These methods are deprecated, but they remain for now, for
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// backward compatibility. They treat the TextureAttrib as a
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// single-texture application.
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static CPT(RenderAttrib) make(Texture *tex);
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static CPT(RenderAttrib) make_off();
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INLINE bool is_off() const;
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INLINE Texture *get_texture() const;
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// The following methods define the new multitexture mode for
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// TextureAttrib. Each TextureAttrib can add or remove individual
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// texture stages from the complete set of textures that are to be
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// applied; this is similar to the mechanism of LightAttrib.
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static CPT(RenderAttrib) make();
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static CPT(RenderAttrib) make_all_off();
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INLINE int get_num_on_stages() const;
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INLINE TextureStage *get_on_stage(int n) const;
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INLINE bool has_on_stage(TextureStage *stage) const;
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INLINE Texture *get_on_texture(TextureStage *stage) const;
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int find_on_stage(const TextureStage *stage) const;
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INLINE int get_num_off_stages() const;
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INLINE TextureStage *get_off_stage(int n) const;
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INLINE bool has_off_stage(TextureStage *stage) const;
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INLINE bool has_all_off() const;
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INLINE bool is_identity() const;
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CPT(RenderAttrib) add_on_stage(TextureStage *stage, Texture *tex) const;
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CPT(RenderAttrib) remove_on_stage(TextureStage *stage) const;
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CPT(RenderAttrib) add_off_stage(TextureStage *stage) const;
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CPT(RenderAttrib) remove_off_stage(TextureStage *stage) const;
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CPT(RenderAttrib) unify_texture_stages(TextureStage *stage) const;
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public:
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INLINE const Geom::ActiveTextureStages &get_on_stages() const;
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CPT(TextureAttrib) filter_to_max(int max_texture_stages) const;
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virtual void output(ostream &out) const;
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virtual void store_into_slot(AttribSlots *slots) const;
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virtual bool has_cull_callback() const;
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virtual bool cull_callback(CullTraverser *trav, const CullTraverserData &data) const;
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protected:
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virtual int compare_to_impl(const RenderAttrib *other) const;
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virtual CPT(RenderAttrib) compose_impl(const RenderAttrib *other) const;
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virtual CPT(RenderAttrib) invert_compose_impl(const RenderAttrib *other) const;
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virtual RenderAttrib *make_default_impl() const;
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private:
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INLINE void check_sorted() const;
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void sort_on_stages();
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private:
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typedef Geom::ActiveTextureStages OnStages;
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OnStages _on_stages;
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typedef ov_set<TextureStage *> OffStages;
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OffStages _off_stages;
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bool _off_all_stages;
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typedef pmap< TextureStage *, PT(Texture) > OnTextures;
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OnTextures _on_textures;
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typedef pmap< int, CPT(TextureAttrib) > Filtered;
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Filtered _filtered;
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UpdateSeq _sort_seq;
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int _num_on_textures; //temporary count to complete_pointers from fill_in
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static CPT(RenderAttrib) _empty_attrib;
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static CPT(RenderAttrib) _all_off_attrib;
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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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virtual int complete_pointers(TypedWritable **plist, BamReader *manager);
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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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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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RenderAttrib::init_type();
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register_type(_type_handle, "TextureAttrib",
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RenderAttrib::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 "textureAttrib.I"
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#endif
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