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input_default.cpp
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/**************************************************************************/
/* input_default.cpp */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/**************************************************************************/
#include "input_default.h"
#include "core/input_map.h"
#include "core/os/os.h"
#include "core/project_settings.h"
#include "main/default_controller_mappings.h"
#include "scene/resources/texture.h"
#include "servers/visual_server.h"
#ifdef DEV_ENABLED
#include "core/os/thread.h"
#endif
void InputDefault::SpeedTrack::update(const Vector2 &p_delta_p) {
uint64_t tick = OS::get_singleton()->get_ticks_usec();
uint32_t tdiff = tick - last_tick;
float delta_t = tdiff / 1000000.0;
last_tick = tick;
if (delta_t > max_ref_frame) {
// First movement in a long time, reset and start again.
speed = Vector2();
accum = p_delta_p;
accum_t = 0;
return;
}
accum += p_delta_p;
accum_t += delta_t;
if (accum_t < min_ref_frame) {
// Not enough time has passed to calculate speed precisely.
return;
}
speed = accum / accum_t;
accum = Vector2();
accum_t = 0;
}
void InputDefault::SpeedTrack::reset() {
last_tick = OS::get_singleton()->get_ticks_usec();
speed = Vector2();
accum = Vector2();
accum_t = 0;
}
InputDefault::SpeedTrack::SpeedTrack() {
min_ref_frame = 0.1;
max_ref_frame = 3.0;
reset();
}
bool InputDefault::is_key_pressed(int p_scancode) const {
_THREAD_SAFE_METHOD_
return keys_pressed.has(p_scancode);
}
bool InputDefault::is_physical_key_pressed(int p_scancode) const {
_THREAD_SAFE_METHOD_
return physical_keys_pressed.has(p_scancode);
}
bool InputDefault::is_mouse_button_pressed(int p_button) const {
_THREAD_SAFE_METHOD_
return (mouse_button_mask & (1 << (p_button - 1))) != 0;
}
static int _combine_device(int p_value, int p_device) {
return p_value | (p_device << 20);
}
bool InputDefault::is_joy_button_pressed(int p_device, int p_button) const {
_THREAD_SAFE_METHOD_
return joy_buttons_pressed.has(_combine_device(p_button, p_device));
}
bool InputDefault::is_action_pressed(const StringName &p_action, bool p_exact) const {
ERR_FAIL_COND_V_MSG(!InputMap::get_singleton()->has_action(p_action), false, InputMap::get_singleton()->suggest_actions(p_action));
return action_state.has(p_action) && action_state[p_action].pressed && (p_exact ? action_state[p_action].exact : true);
}
bool InputDefault::is_action_just_pressed(const StringName &p_action, bool p_exact) const {
#ifdef TOOLS_ENABLED
if (_currently_parsing_input) {
WARN_PRINT_ONCE("Prefer InputEvent.is_action_pressed() within input event callbacks to prevent detecting duplicates.");
}
#endif
ERR_FAIL_COND_V_MSG(!InputMap::get_singleton()->has_action(p_action), false, InputMap::get_singleton()->suggest_actions(p_action));
const Map<StringName, Action>::Element *E = action_state.find(p_action);
if (!E) {
return false;
}
if (p_exact && E->get().exact == false) {
return false;
}
// Backward compatibility for legacy behavior, only return true if currently pressed.
bool pressed_requirement = legacy_just_pressed_behavior ? E->get().pressed : true;
if (Engine::get_singleton()->is_in_physics_frame()) {
return pressed_requirement && E->get().pressed_physics_frame == Engine::get_singleton()->get_physics_frames();
} else {
return pressed_requirement && E->get().pressed_idle_frame == Engine::get_singleton()->get_idle_frames();
}
}
bool InputDefault::is_action_just_released(const StringName &p_action, bool p_exact) const {
#ifdef TOOLS_ENABLED
if (_currently_parsing_input) {
WARN_PRINT_ONCE("Prefer InputEvent.is_action_released() within input event callbacks to prevent detecting duplicates.");
}
#endif
ERR_FAIL_COND_V_MSG(!InputMap::get_singleton()->has_action(p_action), false, InputMap::get_singleton()->suggest_actions(p_action));
const Map<StringName, Action>::Element *E = action_state.find(p_action);
if (!E) {
return false;
}
if (p_exact && E->get().exact == false) {
return false;
}
// Backward compatibility for legacy behavior, only return true if currently released.
bool released_requirement = legacy_just_pressed_behavior ? !E->get().pressed : true;
if (Engine::get_singleton()->is_in_physics_frame()) {
return released_requirement && E->get().released_physics_frame == Engine::get_singleton()->get_physics_frames();
} else {
return released_requirement && E->get().released_idle_frame == Engine::get_singleton()->get_idle_frames();
}
}
float InputDefault::get_action_strength(const StringName &p_action, bool p_exact) const {
ERR_FAIL_COND_V_MSG(!InputMap::get_singleton()->has_action(p_action), 0.0, InputMap::get_singleton()->suggest_actions(p_action));
const Map<StringName, Action>::Element *E = action_state.find(p_action);
if (!E) {
return 0.0f;
}
if (p_exact && E->get().exact == false) {
return 0.0f;
}
return E->get().strength;
}
float InputDefault::get_action_raw_strength(const StringName &p_action, bool p_exact) const {
ERR_FAIL_COND_V_MSG(!InputMap::get_singleton()->has_action(p_action), 0.0, InputMap::get_singleton()->suggest_actions(p_action));
const Map<StringName, Action>::Element *E = action_state.find(p_action);
if (!E) {
return 0.0f;
}
if (p_exact && E->get().exact == false) {
return 0.0f;
}
return E->get().raw_strength;
}
float Input::get_axis(const StringName &p_negative_action, const StringName &p_positive_action) const {
return get_action_strength(p_positive_action) - get_action_strength(p_negative_action);
}
Vector2 Input::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) const {
Vector2 vector = Vector2(
get_action_raw_strength(p_positive_x) - get_action_raw_strength(p_negative_x),
get_action_raw_strength(p_positive_y) - get_action_raw_strength(p_negative_y));
if (p_deadzone < 0.0f) {
// If the deadzone isn't specified, get it from the average of the actions.
p_deadzone = 0.25 *
(InputMap::get_singleton()->action_get_deadzone(p_positive_x) +
InputMap::get_singleton()->action_get_deadzone(p_negative_x) +
InputMap::get_singleton()->action_get_deadzone(p_positive_y) +
InputMap::get_singleton()->action_get_deadzone(p_negative_y));
}
// Circular length limiting and deadzone.
float length = vector.length();
if (length <= p_deadzone) {
return Vector2();
} else if (length > 1.0f) {
return vector / length;
} else {
// Inverse lerp length to map (p_deadzone, 1) to (0, 1).
return vector * (Math::inverse_lerp(p_deadzone, 1.0f, length) / length);
}
return vector;
}
float InputDefault::get_joy_axis(int p_device, int p_axis) const {
_THREAD_SAFE_METHOD_
int c = _combine_device(p_axis, p_device);
if (_joy_axis.has(c)) {
return _joy_axis[c];
} else {
return 0;
}
}
String InputDefault::get_joy_name(int p_idx) {
_THREAD_SAFE_METHOD_
return joy_names[p_idx].name;
};
Vector2 InputDefault::get_joy_vibration_strength(int p_device) {
if (joy_vibration.has(p_device)) {
return Vector2(joy_vibration[p_device].weak_magnitude, joy_vibration[p_device].strong_magnitude);
} else {
return Vector2(0, 0);
}
}
uint64_t InputDefault::get_joy_vibration_timestamp(int p_device) {
if (joy_vibration.has(p_device)) {
return joy_vibration[p_device].timestamp;
} else {
return 0;
}
}
float InputDefault::get_joy_vibration_duration(int p_device) {
if (joy_vibration.has(p_device)) {
return joy_vibration[p_device].duration;
} else {
return 0.f;
}
}
static String _hex_str(uint8_t p_byte) {
static const char *dict = "0123456789abcdef";
char ret[3];
ret[2] = 0;
ret[0] = dict[p_byte >> 4];
ret[1] = dict[p_byte & 0xf];
return ret;
};
void InputDefault::joy_connection_changed(int p_idx, bool p_connected, String p_name, String p_guid) {
_THREAD_SAFE_METHOD_
Joypad js;
js.name = p_connected ? p_name : "";
js.uid = p_connected ? p_guid : "";
if (p_connected) {
String uidname = p_guid;
if (p_guid == "") {
int uidlen = MIN(p_name.length(), 16);
for (int i = 0; i < uidlen; i++) {
uidname = uidname + _hex_str(p_name[i]);
};
};
js.uid = uidname;
js.connected = true;
int mapping = fallback_mapping;
for (int i = 0; i < map_db.size(); i++) {
if (js.uid == map_db[i].uid) {
mapping = i;
js.name = map_db[i].name;
};
};
js.mapping = mapping;
} else {
js.connected = false;
for (int i = 0; i < JOY_BUTTON_MAX; i++) {
if (i < JOY_AXIS_MAX) {
set_joy_axis(p_idx, i, 0.0f);
}
int c = _combine_device(i, p_idx);
joy_buttons_pressed.erase(c);
};
};
joy_names[p_idx] = js;
// Ensure this signal is emitted on the main thread, as some platforms (e.g. Linux) call this from a different thread.
call_deferred("emit_signal", "joy_connection_changed", p_idx, p_connected);
}
Vector3 InputDefault::get_gravity() const {
_THREAD_SAFE_METHOD_
return gravity;
}
Vector3 InputDefault::get_accelerometer() const {
_THREAD_SAFE_METHOD_
return accelerometer;
}
Vector3 InputDefault::get_magnetometer() const {
_THREAD_SAFE_METHOD_
return magnetometer;
}
Vector3 InputDefault::get_gyroscope() const {
_THREAD_SAFE_METHOD_
return gyroscope;
}
void InputDefault::_parse_input_event_impl(const Ref<InputEvent> &p_event, bool p_is_emulated) {
// This function does the final delivery of the input event to user land.
// Regardless where the event came from originally, this has to happen on the main thread.
DEV_ASSERT(Thread::get_caller_id() == Thread::get_main_id());
#ifdef TOOLS_ENABLED
InputGuard guard(_currently_parsing_input);
#endif
// Notes on mouse-touch emulation:
// - Emulated mouse events are parsed, that is, re-routed to this method, so they make the same effects
// as true mouse events. The only difference is the situation is flagged as emulated so they are not
// emulated back to touch events in an endless loop.
// - Emulated touch events are handed right to the main loop (i.e., the SceneTree) because they don't
// require additional handling by this class.
Ref<InputEventKey> k = p_event;
if (k.is_valid() && !k->is_echo() && k->get_scancode() != 0) {
if (k->is_pressed()) {
keys_pressed.insert(k->get_scancode());
} else {
keys_pressed.erase(k->get_scancode());
}
}
if (k.is_valid() && !k->is_echo() && k->get_physical_scancode() != 0) {
if (k->is_pressed()) {
physical_keys_pressed.insert(k->get_physical_scancode());
} else {
physical_keys_pressed.erase(k->get_physical_scancode());
}
}
Ref<InputEventMouseButton> mb = p_event;
if (mb.is_valid()) {
if (mb->is_pressed()) {
mouse_button_mask |= (1 << (mb->get_button_index() - 1));
} else {
mouse_button_mask &= ~(1 << (mb->get_button_index() - 1));
}
Point2 pos = mb->get_global_position();
if (mouse_pos != pos) {
set_mouse_position(pos);
}
if (main_loop && emulate_touch_from_mouse && !p_is_emulated && mb->get_button_index() == 1) {
Ref<InputEventScreenTouch> touch_event;
touch_event.instance();
touch_event->set_pressed(mb->is_pressed());
touch_event->set_canceled(mb->is_canceled());
touch_event->set_position(mb->get_position());
touch_event->set_double_tap(mb->is_doubleclick());
_THREAD_SAFE_UNLOCK_
main_loop->input_event(touch_event);
_THREAD_SAFE_LOCK_
}
}
Ref<InputEventMouseMotion> mm = p_event;
if (mm.is_valid()) {
Point2 position = mm->get_global_position();
if (mouse_pos != position) {
set_mouse_position(position);
}
Vector2 relative = mm->get_relative();
mouse_speed_track.update(relative);
if (main_loop && emulate_touch_from_mouse && !p_is_emulated && mm->get_button_mask() & 1) {
Ref<InputEventScreenDrag> drag_event;
drag_event.instance();
drag_event->set_position(position);
drag_event->set_relative(relative);
drag_event->set_speed(get_last_mouse_speed());
_THREAD_SAFE_UNLOCK_
main_loop->input_event(drag_event);
_THREAD_SAFE_LOCK_
}
}
Ref<InputEventScreenTouch> st = p_event;
if (st.is_valid()) {
if (st->is_pressed()) {
SpeedTrack &track = touch_speed_track[st->get_index()];
track.reset();
} else {
// Since a pointer index may not occur again (OSs may or may not reuse them),
// imperatively remove it from the map to keep no fossil entries in it
touch_speed_track.erase(st->get_index());
}
if (emulate_mouse_from_touch) {
bool translate = false;
if (st->is_pressed()) {
if (mouse_from_touch_index == -1) {
translate = true;
mouse_from_touch_index = st->get_index();
}
} else {
if (st->get_index() == mouse_from_touch_index) {
translate = true;
mouse_from_touch_index = -1;
}
}
if (translate) {
Ref<InputEventMouseButton> button_event;
button_event.instance();
button_event->set_device(InputEvent::DEVICE_ID_TOUCH_MOUSE);
button_event->set_position(st->get_position());
button_event->set_global_position(st->get_position());
button_event->set_pressed(st->is_pressed());
button_event->set_canceled(st->is_canceled());
button_event->set_button_index(BUTTON_LEFT);
button_event->set_doubleclick(st->is_double_tap());
if (st->is_pressed()) {
button_event->set_button_mask(mouse_button_mask | (1 << (BUTTON_LEFT - 1)));
} else {
button_event->set_button_mask(mouse_button_mask & ~(1 << (BUTTON_LEFT - 1)));
}
_parse_input_event_impl(button_event, true);
}
}
}
Ref<InputEventScreenDrag> sd = p_event;
if (sd.is_valid()) {
SpeedTrack &track = touch_speed_track[sd->get_index()];
track.update(sd->get_relative());
sd->set_speed(track.speed);
if (emulate_mouse_from_touch && sd->get_index() == mouse_from_touch_index) {
Ref<InputEventMouseMotion> motion_event;
motion_event.instance();
motion_event->set_device(InputEvent::DEVICE_ID_TOUCH_MOUSE);
motion_event->set_position(sd->get_position());
motion_event->set_global_position(sd->get_position());
motion_event->set_relative(sd->get_relative());
motion_event->set_speed(sd->get_speed());
motion_event->set_button_mask(mouse_button_mask);
motion_event->set_pressure(1.f);
_parse_input_event_impl(motion_event, true);
}
}
Ref<InputEventJoypadButton> jb = p_event;
if (jb.is_valid()) {
int c = _combine_device(jb->get_button_index(), jb->get_device());
if (jb->is_pressed()) {
joy_buttons_pressed.insert(c);
} else {
joy_buttons_pressed.erase(c);
}
}
Ref<InputEventJoypadMotion> jm = p_event;
if (jm.is_valid()) {
set_joy_axis(jm->get_device(), jm->get_axis(), jm->get_axis_value());
}
Ref<InputEventGesture> ge = p_event;
if (ge.is_valid()) {
if (main_loop) {
_THREAD_SAFE_UNLOCK_
main_loop->input_event(ge);
_THREAD_SAFE_LOCK_
}
}
for (const Map<StringName, InputMap::Action>::Element *E = InputMap::get_singleton()->get_action_map().front(); E; E = E->next()) {
if (InputMap::get_singleton()->event_is_action(p_event, E->key())) {
Action &action = action_state[E->key()];
// If not echo and action pressed state has changed
if (!p_event->is_echo() && is_action_pressed(E->key(), false) != p_event->is_action_pressed(E->key())) {
// As input may come in part way through a physics tick, the earliest we can react to it is the next physics tick.
if (p_event->is_action_pressed(E->key())) {
action.pressed = true;
action.pressed_physics_frame = Engine::get_singleton()->get_physics_frames() + 1;
action.pressed_idle_frame = Engine::get_singleton()->get_idle_frames();
} else {
action.pressed = false;
action.released_physics_frame = Engine::get_singleton()->get_physics_frames() + 1;
action.released_idle_frame = Engine::get_singleton()->get_idle_frames();
}
action.strength = 0.0f;
action.raw_strength = 0.0f;
action.exact = InputMap::get_singleton()->event_is_action(p_event, E->key(), true);
}
action.strength = p_event->get_action_strength(E->key());
action.raw_strength = p_event->get_action_raw_strength(E->key());
}
}
if (main_loop) {
_THREAD_SAFE_UNLOCK_
main_loop->input_event(p_event);
_THREAD_SAFE_LOCK_
}
}
void InputDefault::set_joy_axis(int p_device, int p_axis, float p_value) {
_THREAD_SAFE_METHOD_
int c = _combine_device(p_axis, p_device);
_joy_axis[c] = p_value;
}
void InputDefault::start_joy_vibration(int p_device, float p_weak_magnitude, float p_strong_magnitude, float p_duration) {
_THREAD_SAFE_METHOD_
if (p_weak_magnitude < 0.f || p_weak_magnitude > 1.f || p_strong_magnitude < 0.f || p_strong_magnitude > 1.f) {
return;
}
VibrationInfo vibration;
vibration.weak_magnitude = p_weak_magnitude;
vibration.strong_magnitude = p_strong_magnitude;
vibration.duration = p_duration;
vibration.timestamp = OS::get_singleton()->get_ticks_usec();
joy_vibration[p_device] = vibration;
}
void InputDefault::stop_joy_vibration(int p_device) {
_THREAD_SAFE_METHOD_
VibrationInfo vibration;
vibration.weak_magnitude = 0;
vibration.strong_magnitude = 0;
vibration.duration = 0;
vibration.timestamp = OS::get_singleton()->get_ticks_usec();
joy_vibration[p_device] = vibration;
}
void InputDefault::vibrate_handheld(int p_duration_ms) {
OS::get_singleton()->vibrate_handheld(p_duration_ms);
}
void InputDefault::set_gravity(const Vector3 &p_gravity) {
_THREAD_SAFE_METHOD_
gravity = p_gravity;
}
void InputDefault::set_accelerometer(const Vector3 &p_accel) {
_THREAD_SAFE_METHOD_
accelerometer = p_accel;
}
void InputDefault::set_magnetometer(const Vector3 &p_magnetometer) {
_THREAD_SAFE_METHOD_
magnetometer = p_magnetometer;
}
void InputDefault::set_gyroscope(const Vector3 &p_gyroscope) {
_THREAD_SAFE_METHOD_
gyroscope = p_gyroscope;
}
void InputDefault::set_main_loop(MainLoop *p_main_loop) {
main_loop = p_main_loop;
}
void InputDefault::set_mouse_position(const Point2 &p_posf) {
mouse_pos = p_posf;
}
Point2 InputDefault::get_mouse_position() const {
return mouse_pos;
}
Point2 InputDefault::get_last_mouse_speed() {
mouse_speed_track.update(Vector2());
return mouse_speed_track.speed;
}
int InputDefault::get_mouse_button_mask() const {
return mouse_button_mask; // do not trust OS implementation, should remove it - OS::get_singleton()->get_mouse_button_state();
}
void InputDefault::warp_mouse_position(const Vector2 &p_to) {
OS::get_singleton()->warp_mouse_position(p_to);
}
Point2i InputDefault::warp_mouse_motion(const Ref<InputEventMouseMotion> &p_motion, const Rect2 &p_rect) {
// The relative distance reported for the next event after a warp is in the boundaries of the
// size of the rect on that axis, but it may be greater, in which case there's not problem as fmod()
// will warp it, but if the pointer has moved in the opposite direction between the pointer relocation
// and the subsequent event, the reported relative distance will be less than the size of the rect
// and thus fmod() will be disabled for handling the situation.
// And due to this mouse warping mechanism being stateless, we need to apply some heuristics to
// detect the warp: if the relative distance is greater than the half of the size of the relevant rect
// (checked per each axis), it will be considered as the consequence of a former pointer warp.
const Point2i rel_sgn(p_motion->get_relative().x >= 0.0f ? 1 : -1, p_motion->get_relative().y >= 0.0 ? 1 : -1);
const Size2i warp_margin = p_rect.size * 0.5f;
const Point2i rel_warped(
Math::fmod(p_motion->get_relative().x + rel_sgn.x * warp_margin.x, p_rect.size.x) - rel_sgn.x * warp_margin.x,
Math::fmod(p_motion->get_relative().y + rel_sgn.y * warp_margin.y, p_rect.size.y) - rel_sgn.y * warp_margin.y);
const Point2i pos_local = p_motion->get_global_position() - p_rect.position;
const Point2i pos_warped(Math::fposmod(pos_local.x, p_rect.size.x), Math::fposmod(pos_local.y, p_rect.size.y));
if (pos_warped != pos_local) {
OS::get_singleton()->warp_mouse_position(pos_warped + p_rect.position);
}
return rel_warped;
}
void InputDefault::iteration(float p_step) {
}
void InputDefault::action_press(const StringName &p_action, float p_strength) {
// Create or retrieve existing action.
Action &action = action_state[p_action];
// As input may come in part way through a physics tick, the earliest we can react to it is the next physics tick.
action.pressed_physics_frame = Engine::get_singleton()->get_physics_frames() + 1;
action.pressed_idle_frame = Engine::get_singleton()->get_idle_frames();
action.pressed = true;
action.exact = true;
action.strength = p_strength;
action.raw_strength = p_strength;
}
void InputDefault::action_release(const StringName &p_action) {
// Create or retrieve existing action.
Action &action = action_state[p_action];
// As input may come in part way through a physics tick, the earliest we can react to it is the next physics tick.
action.released_physics_frame = Engine::get_singleton()->get_physics_frames() + 1;
action.released_idle_frame = Engine::get_singleton()->get_idle_frames();
action.pressed = false;
action.exact = true;
action.strength = 0.0f;
action.raw_strength = 0.0f;
}
void InputDefault::set_emulate_touch_from_mouse(bool p_emulate) {
emulate_touch_from_mouse = p_emulate;
}
bool InputDefault::is_emulating_touch_from_mouse() const {
return emulate_touch_from_mouse;
}
// Calling this whenever the game window is focused helps unstucking the "touch mouse"
// if the OS or its abstraction class hasn't properly reported that touch pointers raised
void InputDefault::ensure_touch_mouse_raised() {
_THREAD_SAFE_METHOD_
if (mouse_from_touch_index != -1) {
mouse_from_touch_index = -1;
Ref<InputEventMouseButton> button_event;
button_event.instance();
button_event->set_device(InputEvent::DEVICE_ID_TOUCH_MOUSE);
button_event->set_position(mouse_pos);
button_event->set_global_position(mouse_pos);
button_event->set_pressed(false);
button_event->set_button_index(BUTTON_LEFT);
button_event->set_button_mask(mouse_button_mask & ~(1 << (BUTTON_LEFT - 1)));
_parse_input_event_impl(button_event, true);
}
}
void InputDefault::set_emulate_mouse_from_touch(bool p_emulate) {
emulate_mouse_from_touch = p_emulate;
}
bool InputDefault::is_emulating_mouse_from_touch() const {
return emulate_mouse_from_touch;
}
Input::CursorShape InputDefault::get_default_cursor_shape() const {
return default_shape;
}
void InputDefault::set_default_cursor_shape(CursorShape p_shape) {
if (default_shape == p_shape) {
return;
}
default_shape = p_shape;
// The default shape is set in Viewport::_gui_input_event. To instantly
// see the shape in the viewport we need to trigger a mouse motion event.
Ref<InputEventMouseMotion> mm;
mm.instance();
mm->set_position(mouse_pos);
mm->set_global_position(mouse_pos);
parse_input_event(mm);
}
Input::CursorShape InputDefault::get_current_cursor_shape() const {
return (Input::CursorShape)OS::get_singleton()->get_cursor_shape();
}
void InputDefault::set_custom_mouse_cursor(const RES &p_cursor, CursorShape p_shape, const Vector2 &p_hotspot) {
if (Engine::get_singleton()->is_editor_hint()) {
return;
}
ERR_FAIL_INDEX(p_shape, Input::CURSOR_MAX);
OS::get_singleton()->set_custom_mouse_cursor(p_cursor, (OS::CursorShape)p_shape, p_hotspot);
}
void InputDefault::parse_input_event(const Ref<InputEvent> &p_event) {
_THREAD_SAFE_METHOD_
ERR_FAIL_COND(p_event.is_null());
#ifdef DEBUG_ENABLED
uint64_t curr_frame = Engine::get_singleton()->get_idle_frames();
if (curr_frame != last_parsed_frame) {
frame_parsed_events.clear();
last_parsed_frame = curr_frame;
frame_parsed_events.insert(p_event);
} else if (frame_parsed_events.has(p_event)) {
// It would be technically safe to send the same event in cases such as:
// - After an explicit flush.
// - In platforms using buffering when agile flushing is enabled, after one of the mid-frame flushes.
// - If platform doesn't use buffering and event accumulation is disabled.
// - If platform doesn't use buffering and the event type is not accumulable.
// However, it wouldn't be reasonable to ask users to remember the full ruleset and be aware at all times
// of the possibilites of the target platform, project settings and engine internals, which may change
// without prior notice.
// Therefore, the guideline is, "don't send the same event object more than once per frame".
WARN_PRINT_ONCE(
"An input event object is being parsed more than once in the same frame, which is unsafe.\n"
"If you are generating events in a script, you have to instantiate a new event instead of sending the same one more than once, unless the original one was sent on an earlier frame.\n"
"You can call duplicate() on the event to get a new instance with identical values.");
} else {
frame_parsed_events.insert(p_event);
}
#endif
if (use_accumulated_input) {
if (buffered_events.empty() || !buffered_events.back()->get()->accumulate(p_event)) {
buffered_events.push_back(p_event);
}
} else if (use_input_buffering) {
buffered_events.push_back(p_event);
} else {
_parse_input_event_impl(p_event, false);
}
}
void InputDefault::flush_buffered_events() {
_THREAD_SAFE_METHOD_
while (buffered_events.front()) {
// The final delivery of the input event involves releasing the lock.
// While the lock is released, another thread may lock it and add new events to the back.
// Therefore, we get each event and pop it while we still have the lock,
// to ensure the list is in a consistent state.
List<Ref<InputEvent>>::Element *E = buffered_events.front();
Ref<InputEvent> e = E->get();
buffered_events.pop_front();
_parse_input_event_impl(e, false);
}
}
bool InputDefault::is_using_input_buffering() {
return use_input_buffering;
}
void InputDefault::set_use_input_buffering(bool p_enable) {
use_input_buffering = p_enable;
}
bool InputDefault::is_using_accumulated_input() {
return use_accumulated_input;
}
void InputDefault::set_use_accumulated_input(bool p_enable) {
use_accumulated_input = p_enable;
}
void InputDefault::release_pressed_events() {
flush_buffered_events(); // this is needed to release actions strengths
keys_pressed.clear();
physical_keys_pressed.clear();
joy_buttons_pressed.clear();
_joy_axis.clear();
for (Map<StringName, InputDefault::Action>::Element *E = action_state.front(); E; E = E->next()) {
if (E->get().pressed) {
action_release(E->key());
}
}
}
InputDefault::InputDefault() {
use_input_buffering = false;
use_accumulated_input = true;
mouse_button_mask = 0;
emulate_touch_from_mouse = false;
emulate_mouse_from_touch = false;
mouse_from_touch_index = -1;
main_loop = nullptr;
default_shape = CURSOR_ARROW;
fallback_mapping = -1;
legacy_just_pressed_behavior = GLOBAL_DEF("input_devices/compatibility/legacy_just_pressed_behavior", false);
if (Engine::get_singleton()->is_editor_hint()) {
// Always use standard behaviour in the editor.
legacy_just_pressed_behavior = false;
}
// Parse default mappings.
{
int i = 0;
while (DefaultControllerMappings::mappings[i]) {
parse_mapping(DefaultControllerMappings::mappings[i++]);
}
}
// If defined, parse SDL_GAMECONTROLLERCONFIG for possible new mappings/overrides.
String env_mapping = OS::get_singleton()->get_environment("SDL_GAMECONTROLLERCONFIG");
if (env_mapping != "") {
Vector<String> entries = env_mapping.split("\n");
for (int i = 0; i < entries.size(); i++) {
if (entries[i] == "") {
continue;
}
parse_mapping(entries[i]);
}
}
String env_ignore_devices = OS::get_singleton()->get_environment("SDL_GAMECONTROLLER_IGNORE_DEVICES");
if (!env_ignore_devices.empty()) {
Vector<String> entries = env_ignore_devices.split(",");
for (int i = 0; i < entries.size(); i++) {
Vector<String> vid_pid = entries[i].split("/");
if (vid_pid.size() < 2) {
continue;
}
print_verbose(vformat("Device Ignored -- Vendor: %s Product: %s", vid_pid[0], vid_pid[1]));
const uint16_t vid_unswapped = vid_pid[0].hex_to_int();
const uint16_t pid_unswapped = vid_pid[1].hex_to_int();
const uint16_t vid = BSWAP16(vid_unswapped);
const uint16_t pid = BSWAP16(pid_unswapped);
uint32_t full_id = (((uint32_t)vid) << 16) | ((uint16_t)pid);
ignored_device_ids.insert(full_id);
}
}
}
void InputDefault::joy_button(int p_device, int p_button, bool p_pressed) {
_THREAD_SAFE_METHOD_;
Joypad &joy = joy_names[p_device];
ERR_FAIL_INDEX(p_button, JOY_BUTTON_MAX);
if (joy.last_buttons[p_button] == p_pressed) {
return;
}
joy.last_buttons[p_button] = p_pressed;
if (joy.mapping == -1) {
_button_event(p_device, p_button, p_pressed);
return;
}
JoyEvent map = _get_mapped_button_event(map_db[joy.mapping], p_button);
if (map.type == TYPE_BUTTON) {
//fake additional axis event for triggers
if (map.index == JOY_L2 || map.index == JOY_R2) {
float value = p_pressed ? 1.0f : 0.0f;
int axis = map.index == JOY_L2 ? JOY_ANALOG_L2 : JOY_ANALOG_R2;
_axis_event(p_device, axis, value);
}
_button_event(p_device, map.index, p_pressed);
return;
}
if (map.type == TYPE_AXIS) {
_axis_event(p_device, map.index, p_pressed ? map.value : 0.0);
}
// no event?
}
void InputDefault::joy_axis(int p_device, int p_axis, float p_value) {
_THREAD_SAFE_METHOD_;
ERR_FAIL_INDEX(p_axis, JOY_AXIS_MAX);
Joypad &joy = joy_names[p_device];
if (joy.last_axis[p_axis] == p_value) {
return;
}
joy.last_axis[p_axis] = p_value;
if (joy.mapping == -1) {
_axis_event(p_device, p_axis, p_value);
return;
};
JoyEvent map = _get_mapped_axis_event(map_db[joy.mapping], p_axis, p_value);
if (map.type == TYPE_BUTTON) {
// Send axis event for triggers
if (map.index == JOY_L2 || map.index == JOY_R2) {
// Convert to a value between 0.0f and 1.0f.
float value = 0.5f + p_value / 2.0f;
_axis_event(p_device, map.index, value);
}
bool pressed = map.value > 0.5;
if (pressed != joy_buttons_pressed.has(_combine_device(map.index, p_device))) {
_button_event(p_device, map.index, pressed);
}
// Ensure opposite D-Pad button is also released.
switch (map.index) {
case JOY_DPAD_UP:
if (joy_buttons_pressed.has(_combine_device(JOY_DPAD_DOWN, p_device))) {
_button_event(p_device, JOY_DPAD_DOWN, false);
}
break;
case JOY_DPAD_DOWN:
if (joy_buttons_pressed.has(_combine_device(JOY_DPAD_UP, p_device))) {
_button_event(p_device, JOY_DPAD_UP, false);
}
break;
case JOY_DPAD_LEFT:
if (joy_buttons_pressed.has(_combine_device(JOY_DPAD_RIGHT, p_device))) {
_button_event(p_device, JOY_DPAD_RIGHT, false);
}
break;
case JOY_DPAD_RIGHT:
if (joy_buttons_pressed.has(_combine_device(JOY_DPAD_LEFT, p_device))) {
_button_event(p_device, JOY_DPAD_LEFT, false);
}
break;
default:
// Nothing to do.
break;
}
return;
}
if (map.type == TYPE_AXIS) {
_axis_event(p_device, map.index, p_value);