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godot/core/os/input.cpp

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/*************************************************************************/
/* input.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* 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.h"
#include "input_map.h"
#include "os/os.h"
Input *Input::singleton=NULL;
Input *Input::get_singleton() {
return singleton;
}
void Input::set_mouse_mode(MouseMode p_mode) {
ERR_FAIL_INDEX(p_mode,3);
OS::get_singleton()->set_mouse_mode((OS::MouseMode)p_mode);
}
Input::MouseMode Input::get_mouse_mode() const {
return (MouseMode)OS::get_singleton()->get_mouse_mode();
}
void Input::_bind_methods() {
ObjectTypeDB::bind_method(_MD("is_key_pressed","scancode"),&Input::is_key_pressed);
ObjectTypeDB::bind_method(_MD("is_mouse_button_pressed","button"),&Input::is_mouse_button_pressed);
ObjectTypeDB::bind_method(_MD("is_joy_button_pressed","device","button"),&Input::is_joy_button_pressed);
ObjectTypeDB::bind_method(_MD("is_action_pressed","action"),&Input::is_action_pressed);
ObjectTypeDB::bind_method(_MD("get_joy_axis","device","axis"),&Input::get_joy_axis);
ObjectTypeDB::bind_method(_MD("get_joy_name","device"),&Input::get_joy_name);
ObjectTypeDB::bind_method(_MD("get_accelerometer"),&Input::get_accelerometer);
ObjectTypeDB::bind_method(_MD("get_mouse_pos"),&Input::get_mouse_pos);
ObjectTypeDB::bind_method(_MD("get_mouse_speed"),&Input::get_mouse_speed);
ObjectTypeDB::bind_method(_MD("get_mouse_button_mask"),&Input::get_mouse_button_mask);
ObjectTypeDB::bind_method(_MD("set_mouse_mode","mode"),&Input::set_mouse_mode);
ObjectTypeDB::bind_method(_MD("get_mouse_mode"),&Input::get_mouse_mode);
BIND_CONSTANT( MOUSE_MODE_VISIBLE );
BIND_CONSTANT( MOUSE_MODE_HIDDEN );
BIND_CONSTANT( MOUSE_MODE_CAPTURED );
ADD_SIGNAL( MethodInfo("joy_connection_changed", PropertyInfo(Variant::INT, "index"), PropertyInfo(Variant::BOOL, "connected")) );
}
Input::Input() {
singleton=this;
}
//////////////////////////////////////////////////////////
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;
accum+=p_delta_p;
accum_t+=delta_t;
if (accum_t>max_ref_frame*10)
accum_t=max_ref_frame*10;
while( accum_t>=min_ref_frame ) {
float slice_t = min_ref_frame / accum_t;
Vector2 slice = accum*slice_t;
accum=accum-slice;
accum_t-=min_ref_frame;
speed=(slice/min_ref_frame).linear_interpolate(speed,min_ref_frame/max_ref_frame);
}
}
void InputDefault::SpeedTrack::reset() {
last_tick = OS::get_singleton()->get_ticks_usec();
speed=Vector2();
accum_t=0;
}
InputDefault::SpeedTrack::SpeedTrack() {
min_ref_frame=0.1;
max_ref_frame=0.3;
reset();
}
bool InputDefault::is_key_pressed(int p_scancode) {
_THREAD_SAFE_METHOD_
return keys_pressed.has(p_scancode);
}
bool InputDefault::is_mouse_button_pressed(int p_button) {
_THREAD_SAFE_METHOD_
return (mouse_button_mask&(1<<p_button))!=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) {
_THREAD_SAFE_METHOD_
return joy_buttons_pressed.has(_combine_device(p_button,p_device));
}
bool InputDefault::is_action_pressed(const StringName& p_action) {
if (custom_action_press.has(p_action))
return true; //simpler
const List<InputEvent> *alist = InputMap::get_singleton()->get_action_list(p_action);
if (!alist)
return NULL;
for (const List<InputEvent>::Element *E=alist->front();E;E=E->next()) {
int device=E->get().device;
switch(E->get().type) {
case InputEvent::KEY: {
const InputEventKey &iek=E->get().key;
if ((keys_pressed.has(iek.scancode)))
return true;
} break;
case InputEvent::MOUSE_BUTTON: {
const InputEventMouseButton &iemb=E->get().mouse_button;
if(mouse_button_mask&(1<<iemb.button_index))
return true;
} break;
case InputEvent::JOYSTICK_BUTTON: {
const InputEventJoystickButton &iejb=E->get().joy_button;
int c = _combine_device(iejb.button_index,device);
if (joy_buttons_pressed.has(c))
return true;
} break;
}
}
return false;
}
float InputDefault::get_joy_axis(int p_device,int p_axis) {
_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];
};
void InputDefault::joy_connection_changed(int p_idx, bool p_connected, String p_name) {
_THREAD_SAFE_METHOD_
joy_names[p_idx] = p_connected ? p_name : "";
emit_signal("joy_connection_changed", p_idx, p_connected);
};
Vector3 InputDefault::get_accelerometer() {
_THREAD_SAFE_METHOD_
return accelerometer;
}
void InputDefault::parse_input_event(const InputEvent& p_event) {
_THREAD_SAFE_METHOD_
switch(p_event.type) {
case InputEvent::KEY: {
if (p_event.key.echo)
break;
if (p_event.key.scancode==0)
break;
// print_line(p_event);
if (p_event.key.pressed)
keys_pressed.insert(p_event.key.scancode);
else
keys_pressed.erase(p_event.key.scancode);
} break;
case InputEvent::MOUSE_BUTTON: {
if (p_event.mouse_button.doubleclick)
break;
if (p_event.mouse_button.pressed)
mouse_button_mask|=(1<<p_event.mouse_button.button_index);
else
mouse_button_mask&=~(1<<p_event.mouse_button.button_index);
} break;
case InputEvent::JOYSTICK_BUTTON: {
int c = _combine_device(p_event.joy_button.button_index,p_event.device);
if (p_event.joy_button.pressed)
joy_buttons_pressed.insert(c);
else
joy_buttons_pressed.erase(c);
} break;
case InputEvent::JOYSTICK_MOTION: {
set_joy_axis(p_event.device, p_event.joy_motion.axis, p_event.joy_motion.axis_value);
} break;
}
if (main_loop)
main_loop->input_event(p_event);
}
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::set_accelerometer(const Vector3& p_accel) {
_THREAD_SAFE_METHOD_
accelerometer=p_accel;
}
void InputDefault::set_main_loop(MainLoop *p_main_loop) {
main_loop=p_main_loop;
}
void InputDefault::set_mouse_pos(const Point2& p_posf) {
mouse_speed_track.update(p_posf-mouse_pos);
mouse_pos=p_posf;
}
Point2 InputDefault::get_mouse_pos() const {
return mouse_pos;
}
Point2 InputDefault::get_mouse_speed() const {
return mouse_speed_track.speed;
}
int InputDefault::get_mouse_button_mask() const {
return OS::get_singleton()->get_mouse_button_state();
}
void InputDefault::iteration(float p_step) {
}
void InputDefault::action_press(const StringName& p_action) {
if (custom_action_press.has(p_action)) {
custom_action_press[p_action]++;
} else {
custom_action_press[p_action]=1;
}
}
void InputDefault::action_release(const StringName& p_action){
ERR_FAIL_COND(!custom_action_press.has(p_action));
custom_action_press[p_action]--;
if (custom_action_press[p_action]==0) {
custom_action_press.erase(p_action);
}
}
InputDefault::InputDefault() {
mouse_button_mask=0;
main_loop=NULL;
}
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