103 lines
3 KiB
C
103 lines
3 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 eggMaterialCollection.h
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* @author drose
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* @date 2001-04-30
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*/
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#ifndef EGGMATERIALCOLLECTION_H
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#define EGGMATERIALCOLLECTION_H
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#include "pandabase.h"
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#include "eggMaterial.h"
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#include "eggGroupNode.h"
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#include "vector_PT_EggMaterial.h"
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#include "pmap.h"
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/**
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* This is a collection of materials by MRef name. It can extract the
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* materials from an egg file and sort them all together; it can also manage
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* the creation of unique materials and the assignment of unique MRef names.
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*/
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class EXPCL_PANDA_EGG EggMaterialCollection {
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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 EggMaterialCollection as an STL
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// container.
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private:
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typedef pmap<PT_EggMaterial, int> Materials;
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typedef vector_PT_EggMaterial OrderedMaterials;
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public:
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typedef OrderedMaterials::const_iterator iterator;
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typedef iterator const_iterator;
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typedef OrderedMaterials::size_type size_type;
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typedef pmap<PT_EggMaterial, PT_EggMaterial > MaterialReplacement;
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// Here begins the actual public interface to EggMaterialCollection.
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PUBLISHED:
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EggMaterialCollection();
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EggMaterialCollection(const EggMaterialCollection ©);
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EggMaterialCollection &operator = (const EggMaterialCollection ©);
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~EggMaterialCollection();
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void clear();
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int extract_materials(EggGroupNode *node);
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public:
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EggGroupNode::iterator insert_materials(EggGroupNode *node);
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EggGroupNode::iterator insert_materials(EggGroupNode *node, EggGroupNode::iterator position);
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PUBLISHED:
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int find_used_materials(EggNode *node);
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void remove_unused_materials(EggNode *node);
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int collapse_equivalent_materials(int eq, EggGroupNode *node);
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int collapse_equivalent_materials(int eq, MaterialReplacement &removed);
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static void replace_materials(EggGroupNode *node,
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const MaterialReplacement &replace);
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void uniquify_mrefs();
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void sort_by_mref();
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// Can be used to traverse all the materials in the collection, in order as
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// last sorted.
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public:
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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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PUBLISHED:
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bool add_material(EggMaterial *material);
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bool remove_material(EggMaterial *material);
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// create_unique_material() creates a new material if there is not already
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// one equivalent (according to eq, see EggMaterial::is_equivalent_to()) to
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// the indicated material, or returns the existing one if there is.
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EggMaterial *create_unique_material(const EggMaterial ©, int eq);
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// Find a material with a particular MRef name.
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EggMaterial *find_mref(const std::string &mref_name) const;
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private:
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Materials _materials;
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OrderedMaterials _ordered_materials;
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};
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#include "eggMaterialCollection.I"
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#endif
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