113 lines
3.3 KiB
C++
113 lines
3.3 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 eggTextureCollection.h
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* @author drose
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* @date 2000-02-15
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*/
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#ifndef EGGTEXTURECOLLECTION_H
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#define EGGTEXTURECOLLECTION_H
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#include "pandabase.h"
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#include "eggTexture.h"
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#include "eggGroupNode.h"
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#include "vector_PT_EggTexture.h"
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#include "pmap.h"
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/**
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* This is a collection of textures by TRef name. It can extract the textures
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* from an egg file and sort them all together; it can also manage the
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* creation of unique textures and the assignment of unique TRef names.
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*/
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class EXPCL_PANDA_EGG EggTextureCollection {
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// This is a bit of private interface stuff that must be here as a forward
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// reference. This allows us to define the EggTextureCollection as an STL
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// container.
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private:
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typedef pmap<PT_EggTexture, int> Textures;
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typedef vector_PT_EggTexture OrderedTextures;
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public:
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typedef OrderedTextures::const_iterator iterator;
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typedef iterator const_iterator;
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typedef OrderedTextures::size_type size_type;
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typedef pmap<PT_EggTexture, PT_EggTexture > TextureReplacement;
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// Here begins the actual public interface to EggTextureCollection.
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PUBLISHED:
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EggTextureCollection();
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EggTextureCollection(const EggTextureCollection ©);
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EggTextureCollection &operator = (const EggTextureCollection ©);
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~EggTextureCollection();
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void clear();
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int extract_textures(EggGroupNode *node);
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bool is_empty() const;
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int get_num_textures() const;
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EggTexture *get_texture(int index) const;
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MAKE_SEQ(get_textures, get_num_textures, get_texture);
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public:
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EggGroupNode::iterator insert_textures(EggGroupNode *node);
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EggGroupNode::iterator insert_textures(EggGroupNode *node, EggGroupNode::iterator position);
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PUBLISHED:
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int find_used_textures(EggNode *node);
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void remove_unused_textures(EggNode *node);
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int collapse_equivalent_textures(int eq, EggGroupNode *node);
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int collapse_equivalent_textures(int eq, TextureReplacement &removed);
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static void replace_textures(EggGroupNode *node,
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const TextureReplacement &replace);
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void uniquify_trefs();
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void sort_by_tref();
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void sort_by_basename();
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public:
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// Can be used to traverse all the textures in the collection, in order as
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// last sorted.
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INLINE iterator begin() const;
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INLINE iterator end() const;
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INLINE bool empty() const;
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PUBLISHED:
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INLINE EggTexture *operator [](size_type n) const;
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INLINE size_type size() const;
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bool add_texture(EggTexture *texture);
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bool remove_texture(EggTexture *texture);
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// create_unique_texture() creates a new texture if there is not already one
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// equivalent (according to eq, see EggTexture::is_equivalent_to()) to the
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// indicated texture, or returns the existing one if there is.
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EggTexture *create_unique_texture(const EggTexture ©, int eq);
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// Find a texture with a particular TRef name.
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EggTexture *find_tref(const std::string &tref_name) const;
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// Find a texture with a particular filename.
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EggTexture *find_filename(const Filename &filename) const;
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private:
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Textures _textures;
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OrderedTextures _ordered_textures;
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};
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#include "eggTextureCollection.I"
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#endif
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