196 lines
6.1 KiB
C
196 lines
6.1 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 driveInterface.h
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* @author drose
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* @date 2002-03-12
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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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* This is a TFormer, similar to Trackball, that moves around a transform
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* matrix in response to mouse input. The basic motion is on a horizontal
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* plane, as if driving a vehicle.
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*/
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class EXPCL_PANDA_TFORM DriveInterface : public MouseInterfaceNode {
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PUBLISHED:
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explicit DriveInterface(const std::string &name = "");
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~DriveInterface();
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INLINE void set_forward_speed(PN_stdfloat speed);
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INLINE PN_stdfloat get_forward_speed() const;
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INLINE void set_reverse_speed(PN_stdfloat speed);
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INLINE PN_stdfloat get_reverse_speed() const;
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INLINE void set_rotate_speed(PN_stdfloat speed);
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INLINE PN_stdfloat get_rotate_speed() const;
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INLINE void set_vertical_dead_zone(PN_stdfloat zone);
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INLINE PN_stdfloat get_vertical_dead_zone() const;
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INLINE void set_horizontal_dead_zone(PN_stdfloat zone);
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INLINE PN_stdfloat get_horizontal_dead_zone() const;
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INLINE void set_vertical_ramp_up_time(PN_stdfloat ramp_up_time);
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INLINE PN_stdfloat get_vertical_ramp_up_time() const;
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INLINE void set_vertical_ramp_down_time(PN_stdfloat ramp_down_time);
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INLINE PN_stdfloat get_vertical_ramp_down_time() const;
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INLINE void set_horizontal_ramp_up_time(PN_stdfloat ramp_up_time);
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INLINE PN_stdfloat get_horizontal_ramp_up_time() const;
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INLINE void set_horizontal_ramp_down_time(PN_stdfloat ramp_down_time);
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INLINE PN_stdfloat get_horizontal_ramp_down_time() const;
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INLINE PN_stdfloat get_speed() const;
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INLINE PN_stdfloat get_rot_speed() const;
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void reset();
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// **** Translation ****
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INLINE const LPoint3 &get_pos() const;
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INLINE PN_stdfloat get_x() const;
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INLINE PN_stdfloat get_y() const;
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INLINE PN_stdfloat get_z() const;
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INLINE void set_pos(const LVecBase3 &vec);
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INLINE void set_pos(PN_stdfloat x, PN_stdfloat y, PN_stdfloat z);
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INLINE void set_x(PN_stdfloat x);
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INLINE void set_y(PN_stdfloat y);
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INLINE void set_z(PN_stdfloat z);
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// **** Rotation ****
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INLINE const LVecBase3 &get_hpr() const;
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INLINE PN_stdfloat get_h() const;
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INLINE PN_stdfloat get_p() const;
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INLINE PN_stdfloat get_r() const;
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INLINE void set_hpr(const LVecBase3 &hpr);
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INLINE void set_hpr(PN_stdfloat h, PN_stdfloat p, PN_stdfloat r);
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INLINE void set_h(PN_stdfloat h);
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INLINE void set_p(PN_stdfloat p);
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INLINE void set_r(PN_stdfloat r);
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void set_force_roll(PN_stdfloat 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 LMatrix4 &mat);
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const LMatrix4 &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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PN_stdfloat _forward_speed; // units / sec, mouse all the way up
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PN_stdfloat _reverse_speed; // units / sec, mouse all the way down
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PN_stdfloat _rotate_speed; // degrees / sec, mouse all the way over
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PN_stdfloat _vertical_dead_zone; // fraction of window size
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PN_stdfloat _horizontal_dead_zone; // fraction of window size
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PN_stdfloat _vertical_center; // window units, 0 = center, -1 = bottom, 1 = top
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PN_stdfloat _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 to a
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// stop from full speed) when using the keyboard.
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PN_stdfloat _vertical_ramp_up_time;
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PN_stdfloat _vertical_ramp_down_time;
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PN_stdfloat _horizontal_ramp_up_time;
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PN_stdfloat _horizontal_ramp_down_time;
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PN_stdfloat _speed; // instantaneous units / sec
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PN_stdfloat _rot_speed; // instantaneous rotational units / sec
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LPoint3 _xyz;
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LVecBase3 _hpr;
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LVector3 _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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LMatrix4 _mat;
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// Remember which arrow keys are being held down and which aren't, and at
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// 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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PN_stdfloat get_effect(PN_stdfloat ramp_up_time, PN_stdfloat 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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PN_stdfloat _effect;
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bool _down;
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double _changed_time;
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PN_stdfloat _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(DataGraphTraverser *trav,
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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 the
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// public set_hpr() interface. It's intended to filter out small
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// meaningless perturbations of hpr that may get introduced due to numerical
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// inaccuracy as we compute relative orientations in the show.
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static const PN_stdfloat _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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