96 lines
3.0 KiB
C++
96 lines
3.0 KiB
C++
// Filename: eggTextureCollection.h
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// Created by: drose (15Feb00)
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//
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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 <string>
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#include <map>
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////////////////////////////////////////////////////////////////////
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// Class : EggTextureCollection
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// Description : This is a collection of textures by TRef name. It
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// can extract the textures from an egg file and sort
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// them all together; it can also manage the creation of
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// unique textures and the assignment of unique TRef
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// names.
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////////////////////////////////////////////////////////////////////
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class EXPCL_PANDAEGG EggTextureCollection {
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// This is a bit of private interface stuff that must be here as a
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// forward reference. This allows us to define the
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// EggTextureCollection as an STL container.
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private:
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typedef map<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 map<PT(EggTexture), PT(EggTexture)> TextureReplacement;
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// Here begins the actual public interface to EggTextureCollection.
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public:
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EggTextureCollection();
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EggTextureCollection(const EggTextureCollection ©);
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EggTextureCollection &operator = (const EggTextureCollection ©);
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void clear();
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int extract_textures(EggGroupNode *node);
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int insert_textures(EggGroupNode *node);
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int insert_textures(EggGroupNode *node, EggGroupNode::iterator position);
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int find_used_textures(EggGroupNode *node);
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void remove_unused_textures(EggGroupNode *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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// Can be used to traverse all the textures in the collection, in
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// order as 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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INLINE size_type size() const;
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bool add_texture(PT(EggTexture) texture);
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bool remove_texture(PT(EggTexture) texture);
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// create_unique_texture() creates a new texture if there is not
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// already one equivalent (according to eq, see
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// EggTexture::is_equivalent_to()) to the indicated texture, or
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// 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 string &tref_name) const;
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// Find a texture with a particular filename.
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EggTexture *find_filename(const string &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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