106 lines
3.1 KiB
C++
106 lines
3.1 KiB
C++
// Filename: frameRateMeter.h
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// Created by: drose (23Dec03)
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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 FRAMERATEMETER_H
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#define FRAMERATEMETER_H
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#include "pandabase.h"
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#include "textNode.h"
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#include "nodePath.h"
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#include "graphicsOutput.h"
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#include "displayRegion.h"
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#include "pointerTo.h"
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#include "pStatCollector.h"
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class GraphicsChannel;
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class ClockObject;
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////////////////////////////////////////////////////////////////////
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// Class : FrameRateMeter
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// Description : This is a special TextNode that automatically updates
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// itself with the current frame rate. It can be placed
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// anywhere in the world where you'd like to see the
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// frame rate.
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//
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// It also has a special mode in which it may be
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// attached directly to a channel or window. If this is
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// done, it creates a DisplayRegion for itself and renders
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// itself in the upper-right-hand corner.
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////////////////////////////////////////////////////////////////////
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class EXPCL_PANDA_GRUTIL FrameRateMeter : public TextNode {
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PUBLISHED:
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FrameRateMeter(const string &name);
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virtual ~FrameRateMeter();
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void setup_window(GraphicsOutput *window);
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void clear_window();
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INLINE GraphicsOutput *get_window() const;
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INLINE DisplayRegion *get_display_region() const;
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INLINE void set_update_interval(double update_interval);
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INLINE double get_update_interval() const;
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INLINE void set_text_pattern(const string &text_pattern);
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INLINE const string &get_text_pattern() const;
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INLINE void set_clock_object(ClockObject *clock_object);
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INLINE ClockObject *get_clock_object() const;
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INLINE void update();
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protected:
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virtual bool cull_callback(CullTraverser *trav, CullTraverserData &data);
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private:
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void do_update(Thread *current_thread);
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private:
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PT(GraphicsOutput) _window;
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PT(DisplayRegion) _display_region;
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NodePath _root;
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double _update_interval;
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double _last_update;
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string _text_pattern;
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ClockObject *_clock_object;
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static PStatCollector _show_fps_pcollector;
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public:
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static TypeHandle get_class_type() {
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return _type_handle;
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}
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static void init_type() {
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TextNode::init_type();
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register_type(_type_handle, "FrameRateMeter",
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TextNode::get_class_type());
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}
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virtual TypeHandle get_type() const {
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return get_class_type();
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}
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virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
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private:
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static TypeHandle _type_handle;
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};
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#include "frameRateMeter.I"
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#endif
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