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87 lines
2.9 KiB
C++
87 lines
2.9 KiB
C++
// Filename: modelPool.h
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// Created by: drose (12Mar02)
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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 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 "pandaNode.h"
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#include "pointerTo.h"
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#include "pmap.h"
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////////////////////////////////////////////////////////////////////
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// Class : ModelPool
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// Description : This is the preferred interface for loading models.
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// It unifies all references to the same filename, so
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// that multiple attempts to load the same model will
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// return the same pointer. Note that the default
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// behavior is thus to make instances: use with caution.
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// Use the copy_subgraph() method on Node (or use
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// NodePath::copy_to) to make modifiable copies of the
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// node.
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//
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// Unlike TexturePool, this class does not automatically
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// resolve the model filenames before loading, so a
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// relative path and an absolute path to the same model
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// will appear to be different filenames.
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//
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// This does not presently support asynchronous loading,
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// although it wouldn't be *too* difficult to add.
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////////////////////////////////////////////////////////////////////
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class EXPCL_PANDA ModelPool {
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PUBLISHED:
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INLINE static bool has_model(const string &filename);
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INLINE static bool verify_model(const string &filename);
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INLINE static PandaNode *load_model(const string &filename);
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INLINE static void add_model(const string &filename, PandaNode *model);
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INLINE static void release_model(const string &filename);
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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(ostream &out);
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static void write(ostream &out);
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private:
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INLINE ModelPool();
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bool ns_has_model(const string &filename);
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PandaNode *ns_load_model(const string &filename);
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void ns_add_model(const string &filename, PandaNode *model);
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void ns_release_model(const string &filename);
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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(ostream &out) const;
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static ModelPool *get_ptr();
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static ModelPool *_global_ptr;
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typedef pmap<string, PT(PandaNode) > 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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