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dc187324be
Input buffering is implicitly used by event accumulation, but this commit makes it more generic so it can be enabled for other uses. For desktop OSs it's currently not feasible given main and UI threads are the same).
343 lines
10 KiB
C++
343 lines
10 KiB
C++
/*************************************************************************/
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/* input.h */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#ifndef INPUT_H
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#define INPUT_H
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#include "core/input/input_event.h"
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#include "core/object/object.h"
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#include "core/os/keyboard.h"
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#include "core/os/thread_safe.h"
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class Input : public Object {
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GDCLASS(Input, Object);
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_THREAD_SAFE_CLASS_
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static Input *singleton;
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public:
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enum MouseMode {
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MOUSE_MODE_VISIBLE,
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MOUSE_MODE_HIDDEN,
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MOUSE_MODE_CAPTURED,
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MOUSE_MODE_CONFINED,
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MOUSE_MODE_CONFINED_HIDDEN,
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};
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#undef CursorShape
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enum CursorShape {
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CURSOR_ARROW,
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CURSOR_IBEAM,
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CURSOR_POINTING_HAND,
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CURSOR_CROSS,
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CURSOR_WAIT,
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CURSOR_BUSY,
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CURSOR_DRAG,
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CURSOR_CAN_DROP,
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CURSOR_FORBIDDEN,
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CURSOR_VSIZE,
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CURSOR_HSIZE,
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CURSOR_BDIAGSIZE,
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CURSOR_FDIAGSIZE,
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CURSOR_MOVE,
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CURSOR_VSPLIT,
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CURSOR_HSPLIT,
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CURSOR_HELP,
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CURSOR_MAX
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};
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enum {
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JOYPADS_MAX = 16,
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};
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struct JoyAxisValue {
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int min;
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float value;
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};
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typedef void (*EventDispatchFunc)(const Ref<InputEvent> &p_event);
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private:
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int mouse_button_mask = 0;
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Set<int> keys_pressed;
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Set<int> joy_buttons_pressed;
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Map<int, float> _joy_axis;
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//Map<StringName,int> custom_action_press;
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Vector3 gravity;
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Vector3 accelerometer;
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Vector3 magnetometer;
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Vector3 gyroscope;
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Vector2 mouse_pos;
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int64_t mouse_window = 0;
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struct Action {
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uint64_t physics_frame;
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uint64_t process_frame;
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bool pressed;
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bool exact;
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float strength;
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float raw_strength;
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};
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Map<StringName, Action> action_state;
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bool emulate_touch_from_mouse = false;
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bool emulate_mouse_from_touch = false;
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bool use_input_buffering = false;
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bool use_accumulated_input = false;
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int mouse_from_touch_index = -1;
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struct SpeedTrack {
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uint64_t last_tick;
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Vector2 speed;
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Vector2 accum;
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float accum_t;
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float min_ref_frame;
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float max_ref_frame;
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void update(const Vector2 &p_delta_p);
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void reset();
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SpeedTrack();
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};
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struct Joypad {
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StringName name;
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StringName uid;
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bool connected = false;
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bool last_buttons[JOY_BUTTON_MAX] = { false };
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float last_axis[JOY_AXIS_MAX] = { 0.0f };
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int last_hat = HatMask::HAT_MASK_CENTER;
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int mapping = -1;
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int hat_current = 0;
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};
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SpeedTrack mouse_speed_track;
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Map<int, SpeedTrack> touch_speed_track;
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Map<int, Joypad> joy_names;
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int fallback_mapping = -1;
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CursorShape default_shape = CURSOR_ARROW;
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enum JoyType {
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TYPE_BUTTON,
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TYPE_AXIS,
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TYPE_HAT,
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TYPE_MAX,
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};
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enum JoyAxisRange {
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NEGATIVE_HALF_AXIS = -1,
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FULL_AXIS = 0,
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POSITIVE_HALF_AXIS = 1
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};
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struct JoyEvent {
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int type;
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int index;
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float value;
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};
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struct JoyBinding {
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JoyType inputType;
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union {
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JoyButton button;
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struct {
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JoyAxis axis;
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JoyAxisRange range;
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bool invert;
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} axis;
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struct {
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HatDir hat;
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HatMask hat_mask;
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} hat;
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} input;
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JoyType outputType;
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union {
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JoyButton button;
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struct {
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JoyAxis axis;
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JoyAxisRange range;
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} axis;
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} output;
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};
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struct JoyDeviceMapping {
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String uid;
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String name;
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Vector<JoyBinding> bindings;
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};
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Vector<JoyDeviceMapping> map_db;
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JoyEvent _get_mapped_button_event(const JoyDeviceMapping &mapping, JoyButton p_button);
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JoyEvent _get_mapped_axis_event(const JoyDeviceMapping &mapping, JoyAxis p_axis, float p_value);
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void _get_mapped_hat_events(const JoyDeviceMapping &mapping, HatDir p_hat, JoyEvent r_events[HAT_MAX]);
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JoyButton _get_output_button(String output);
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JoyAxis _get_output_axis(String output);
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void _button_event(int p_device, JoyButton p_index, bool p_pressed);
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void _axis_event(int p_device, JoyAxis p_axis, float p_value);
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void _parse_input_event_impl(const Ref<InputEvent> &p_event, bool p_is_emulated);
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List<Ref<InputEvent>> buffered_events;
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friend class DisplayServer;
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static void (*set_mouse_mode_func)(MouseMode);
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static MouseMode (*get_mouse_mode_func)();
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static void (*warp_mouse_func)(const Vector2 &p_to_pos);
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static CursorShape (*get_current_cursor_shape_func)();
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static void (*set_custom_mouse_cursor_func)(const RES &, CursorShape, const Vector2 &);
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EventDispatchFunc event_dispatch_function = nullptr;
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protected:
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struct VibrationInfo {
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float weak_magnitude;
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float strong_magnitude;
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float duration; // Duration in seconds
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uint64_t timestamp;
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};
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Map<int, VibrationInfo> joy_vibration;
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static void _bind_methods();
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public:
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void set_mouse_mode(MouseMode p_mode);
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MouseMode get_mouse_mode() const;
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void get_argument_options(const StringName &p_function, int p_idx, List<String> *r_options) const override;
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static Input *get_singleton();
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bool is_key_pressed(Key p_keycode) const;
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bool is_mouse_button_pressed(MouseButton p_button) const;
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bool is_joy_button_pressed(int p_device, JoyButton p_button) const;
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bool is_action_pressed(const StringName &p_action, bool p_exact = false) const;
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bool is_action_just_pressed(const StringName &p_action, bool p_exact = false) const;
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bool is_action_just_released(const StringName &p_action, bool p_exact = false) const;
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float get_action_strength(const StringName &p_action, bool p_exact = false) const;
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float get_action_raw_strength(const StringName &p_action, bool p_exact = false) const;
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float get_axis(const StringName &p_negative_action, const StringName &p_positive_action) const;
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Vector2 get_vector(const StringName &p_negative_x, const StringName &p_positive_x, const StringName &p_negative_y, const StringName &p_positive_y, float p_deadzone = -1.0f) const;
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float get_joy_axis(int p_device, JoyAxis p_axis) const;
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String get_joy_name(int p_idx);
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Array get_connected_joypads();
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Vector2 get_joy_vibration_strength(int p_device);
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float get_joy_vibration_duration(int p_device);
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uint64_t get_joy_vibration_timestamp(int p_device);
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void joy_connection_changed(int p_idx, bool p_connected, String p_name, String p_guid = "");
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void parse_joypad_mapping(String p_mapping, bool p_update_existing);
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Vector3 get_gravity() const;
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Vector3 get_accelerometer() const;
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Vector3 get_magnetometer() const;
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Vector3 get_gyroscope() const;
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Point2 get_mouse_position() const;
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Point2 get_last_mouse_speed() const;
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int get_mouse_button_mask() const;
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void warp_mouse_position(const Vector2 &p_to);
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Point2i warp_mouse_motion(const Ref<InputEventMouseMotion> &p_motion, const Rect2 &p_rect);
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void parse_input_event(const Ref<InputEvent> &p_event);
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void set_gravity(const Vector3 &p_gravity);
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void set_accelerometer(const Vector3 &p_accel);
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void set_magnetometer(const Vector3 &p_magnetometer);
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void set_gyroscope(const Vector3 &p_gyroscope);
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void set_joy_axis(int p_device, JoyAxis p_axis, float p_value);
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void start_joy_vibration(int p_device, float p_weak_magnitude, float p_strong_magnitude, float p_duration = 0);
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void stop_joy_vibration(int p_device);
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void vibrate_handheld(int p_duration_ms = 500);
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void set_mouse_position(const Point2 &p_posf);
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void action_press(const StringName &p_action, float p_strength = 1.f);
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void action_release(const StringName &p_action);
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void iteration(float p_step);
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void set_emulate_touch_from_mouse(bool p_emulate);
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bool is_emulating_touch_from_mouse() const;
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void ensure_touch_mouse_raised();
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void set_emulate_mouse_from_touch(bool p_emulate);
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bool is_emulating_mouse_from_touch() const;
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CursorShape get_default_cursor_shape() const;
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void set_default_cursor_shape(CursorShape p_shape);
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CursorShape get_current_cursor_shape() const;
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void set_custom_mouse_cursor(const RES &p_cursor, CursorShape p_shape = Input::CURSOR_ARROW, const Vector2 &p_hotspot = Vector2());
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void parse_mapping(String p_mapping);
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void joy_button(int p_device, JoyButton p_button, bool p_pressed);
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void joy_axis(int p_device, JoyAxis p_axis, const JoyAxisValue &p_value);
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void joy_hat(int p_device, int p_val);
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void add_joy_mapping(String p_mapping, bool p_update_existing = false);
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void remove_joy_mapping(String p_guid);
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int get_unused_joy_id();
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bool is_joy_known(int p_device);
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String get_joy_guid(int p_device) const;
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void set_fallback_mapping(String p_guid);
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void flush_buffered_events();
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bool is_using_input_buffering();
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void set_use_input_buffering(bool p_enable);
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void set_use_accumulated_input(bool p_enable);
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void release_pressed_events();
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void set_event_dispatch_function(EventDispatchFunc p_function);
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Input();
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};
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VARIANT_ENUM_CAST(Input::MouseMode);
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VARIANT_ENUM_CAST(Input::CursorShape);
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#endif // INPUT_H
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