203 lines
6.2 KiB
C++
203 lines
6.2 KiB
C++
// Filename: driveInterface.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 DRIVEINTERFACE_H
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#define DRIVEINTERFACE_H
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#include "pandabase.h"
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#include "mouseInterfaceNode.h"
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#include "modifierButtons.h"
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#include "luse.h"
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#include "linmath_events.h"
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#include "transformState.h"
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////////////////////////////////////////////////////////////////////
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// Class : DriveInterface
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// Description : This is a TFormer, similar to Trackball, that moves
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// around a transform matrix in response to mouse input.
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// The basic motion is on a horizontal plane, as if
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// driving a vehicle.
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////////////////////////////////////////////////////////////////////
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class EXPCL_PANDA DriveInterface : public MouseInterfaceNode {
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PUBLISHED:
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DriveInterface(const string &name = "");
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~DriveInterface();
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INLINE void set_forward_speed(float speed);
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INLINE float get_forward_speed() const;
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INLINE void set_reverse_speed(float speed);
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INLINE float get_reverse_speed() const;
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INLINE void set_rotate_speed(float speed);
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INLINE float get_rotate_speed() const;
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INLINE void set_vertical_dead_zone(float zone);
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INLINE float get_vertical_dead_zone() const;
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INLINE void set_horizontal_dead_zone(float zone);
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INLINE float get_horizontal_dead_zone() const;
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INLINE void set_vertical_ramp_up_time(float ramp_up_time);
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INLINE float get_vertical_ramp_up_time() const;
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INLINE void set_vertical_ramp_down_time(float ramp_down_time);
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INLINE float get_vertical_ramp_down_time() const;
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INLINE void set_horizontal_ramp_up_time(float ramp_up_time);
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INLINE float get_horizontal_ramp_up_time() const;
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INLINE void set_horizontal_ramp_down_time(float ramp_down_time);
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INLINE float get_horizontal_ramp_down_time() const;
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INLINE float get_speed() const;
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INLINE float get_rot_speed() const;
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void reset();
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/// **** Translation ****
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INLINE const LPoint3f &get_pos() const;
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INLINE float get_x() const;
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INLINE float get_y() const;
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INLINE float get_z() const;
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INLINE void set_pos(const LVecBase3f &vec);
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INLINE void set_pos(float x, float y, float z);
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INLINE void set_x(float x);
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INLINE void set_y(float y);
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INLINE void set_z(float z);
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/// **** Rotation ****
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INLINE const LVecBase3f &get_hpr() const;
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INLINE float get_h() const;
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INLINE float get_p() const;
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INLINE float get_r() const;
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INLINE void set_hpr(const LVecBase3f &hpr);
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INLINE void set_hpr(float h, float p, float r);
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INLINE void set_h(float h);
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INLINE void set_p(float p);
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INLINE void set_r(float r);
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void set_force_roll(float force_roll);
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INLINE void set_ignore_mouse(bool ignore_mouse);
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INLINE bool get_ignore_mouse() const;
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INLINE void set_force_mouse(bool force_mouse);
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INLINE bool get_force_mouse() const;
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INLINE void set_stop_this_frame(bool stop_this_frame);
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INLINE bool get_stop_this_frame() const;
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void set_mat(const LMatrix4f &mat);
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const LMatrix4f &get_mat();
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void force_dgraph();
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private:
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void apply(double x, double y, bool any_button);
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float _forward_speed; // units / sec, mouse all the way up
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float _reverse_speed; // units / sec, mouse all the way down
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float _rotate_speed; // degrees / sec, mouse all the way over
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float _vertical_dead_zone; // fraction of window size
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float _horizontal_dead_zone; // fraction of window size
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float _vertical_center; // window units, 0 = center, -1 = bottom, 1 = top
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float _horizontal_center; // window units, 0 = center, -1 = left, 1 = right
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// The time it takes to ramp up to full speed from a stop (or return
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// to a stop from full speed) when using the keyboard.
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float _vertical_ramp_up_time;
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float _vertical_ramp_down_time;
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float _horizontal_ramp_up_time;
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float _horizontal_ramp_down_time;
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float _speed; // instantaneous units / sec
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float _rot_speed; // instantaneous rotational units / sec
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LPoint3f _xyz;
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LVecBase3f _hpr;
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LVector3f _vel;
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bool _ignore_mouse;
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bool _force_mouse;
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bool _stop_this_frame;
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// This is only used to return a temporary value in get_mat().
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LMatrix4f _mat;
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// Remember which arrow keys are being held down and which aren't,
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// and at what point they last changed state.
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class KeyHeld {
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public:
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KeyHeld();
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float get_effect(float ramp_up_time, float ramp_down_time);
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void set_key(bool down);
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void clear();
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bool operator < (const KeyHeld &other) const;
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float _effect;
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bool _down;
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double _changed_time;
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float _effect_at_change;
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};
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KeyHeld _up_arrow, _down_arrow;
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KeyHeld _left_arrow, _right_arrow;
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protected:
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// Inherited from DataNode
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virtual void do_transmit_data(const DataNodeTransmit &input,
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DataNodeTransmit &output);
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private:
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// inputs
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int _xy_input;
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int _button_events_input;
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// outputs
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int _transform_output;
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int _velocity_output;
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CPT(TransformState) _transform;
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PT(EventStoreVec3) _velocity;
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// This is the smallest meaningful value we can set on the hpr via
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// the public set_hpr() interface. It's intended to filter out
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// small meaningless perturbations of hpr that may get introduced
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// due to numerical inaccuracy as we compute relative orientations
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// in the show.
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static const float _hpr_quantize;
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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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MouseInterfaceNode::init_type();
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register_type(_type_handle, "DriveInterface",
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MouseInterfaceNode::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 "driveInterface.I"
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#endif
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