93 lines
2.9 KiB
C
93 lines
2.9 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 modelPool.h
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* @author drose
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* @date 2002-03-12
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*/
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#ifndef MODELPOOL_H
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#define MODELPOOL_H
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#include "pandabase.h"
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#include "filename.h"
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#include "modelRoot.h"
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#include "pointerTo.h"
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#include "lightMutex.h"
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#include "pmap.h"
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#include "loaderOptions.h"
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/**
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* This class unifies all references to the same filename, so that multiple
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* attempts to load the same model will return the same pointer. Note that
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* the default behavior is thus to make instances: use with caution. Use the
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* copy_subgraph() method on Node (or use NodePath::copy_to) to make
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* modifiable copies of the node.
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*
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* Unlike TexturePool, this class does not automatically resolve the model
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* filenames before loading, so a relative path and an absolute path to the
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* same model will appear to be different filenames.
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*
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* However, see the Loader class, which is now the preferred interface for
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* loading models. The Loader class can resolve filenames, supports threaded
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* loading, and can automatically consult the ModelPool, according to the
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* supplied LoaderOptions.
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*/
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class EXPCL_PANDA_PGRAPH ModelPool {
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PUBLISHED:
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INLINE static bool has_model(const Filename &filename);
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INLINE static bool verify_model(const Filename &filename);
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INLINE static ModelRoot *get_model(const Filename &filename, bool verify);
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BLOCKING INLINE static ModelRoot *load_model(const Filename &filename,
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const LoaderOptions &options = LoaderOptions());
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INLINE static void add_model(const Filename &filename, ModelRoot *model);
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INLINE static void release_model(const Filename &filename);
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INLINE static void add_model(ModelRoot *model);
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INLINE static void release_model(ModelRoot *model);
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INLINE static void release_all_models();
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INLINE static int garbage_collect();
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INLINE static void list_contents(std::ostream &out);
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INLINE static void list_contents();
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static void write(std::ostream &out);
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private:
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INLINE ModelPool();
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bool ns_has_model(const Filename &filename);
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ModelRoot *ns_get_model(const Filename &filename, bool verify);
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ModelRoot *ns_load_model(const Filename &filename,
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const LoaderOptions &options);
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void ns_add_model(const Filename &filename, ModelRoot *model);
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void ns_release_model(const Filename &filename);
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void ns_add_model(ModelRoot *model);
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void ns_release_model(ModelRoot *model);
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void ns_release_all_models();
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int ns_garbage_collect();
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void ns_list_contents(std::ostream &out) const;
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static ModelPool *get_ptr();
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static ModelPool *_global_ptr;
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LightMutex _lock;
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typedef pmap<Filename, PT(ModelRoot) > Models;
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Models _models;
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};
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#include "modelPool.I"
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#endif
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