1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
|
////////////////////////////////////////////////////////////
//
// SFML - Simple and Fast Multimedia Library
// Copyright (C) 2007-2015 Laurent Gomila (laurent@sfml-dev.org)
//
// This software is provided 'as-is', without any express or implied warranty.
// In no event will the authors be held liable for any damages arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it freely,
// subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented;
// you must not claim that you wrote the original software.
// If you use this software in a product, an acknowledgment
// in the product documentation would be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such,
// and must not be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source distribution.
//
////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////
// Headers
////////////////////////////////////////////////////////////
#include <SFML/Window/WindowImpl.hpp>
#include <SFML/Window/Event.hpp>
#include <SFML/Window/JoystickManager.hpp>
#include <SFML/Window/SensorManager.hpp>
#include <SFML/System/Sleep.hpp>
#include <algorithm>
#include <cmath>
#if defined(SFML_SYSTEM_WINDOWS)
#include <SFML/Window/Win32/WindowImplWin32.hpp>
typedef sf::priv::WindowImplWin32 WindowImplType;
#elif defined(SFML_SYSTEM_LINUX) || defined(SFML_SYSTEM_FREEBSD)
#include <SFML/Window/Unix/WindowImplX11.hpp>
typedef sf::priv::WindowImplX11 WindowImplType;
#elif defined(SFML_SYSTEM_MACOS)
#include <SFML/Window/OSX/WindowImplCocoa.hpp>
typedef sf::priv::WindowImplCocoa WindowImplType;
#elif defined(SFML_SYSTEM_IOS)
#include <SFML/Window/iOS/WindowImplUIKit.hpp>
typedef sf::priv::WindowImplUIKit WindowImplType;
#elif defined(SFML_SYSTEM_ANDROID)
#include <SFML/Window/Android/WindowImplAndroid.hpp>
typedef sf::priv::WindowImplAndroid WindowImplType;
#endif
namespace sf
{
namespace priv
{
////////////////////////////////////////////////////////////
WindowImpl* WindowImpl::create(VideoMode mode, const String& title, Uint32 style, const ContextSettings& settings)
{
return new WindowImplType(mode, title, style, settings);
}
////////////////////////////////////////////////////////////
WindowImpl* WindowImpl::create(WindowHandle handle)
{
return new WindowImplType(handle);
}
////////////////////////////////////////////////////////////
WindowImpl::WindowImpl() :
m_joystickThreshold(0.1f)
{
// Get the initial joystick states
JoystickManager::getInstance().update();
for (unsigned int i = 0; i < Joystick::Count; ++i)
m_joystickStates[i] = JoystickManager::getInstance().getState(i);
// Get the initial sensor states
for (unsigned int i = 0; i < Sensor::Count; ++i)
m_sensorValue[i] = Vector3f(0, 0, 0);
}
////////////////////////////////////////////////////////////
WindowImpl::~WindowImpl()
{
// Nothing to do
}
////////////////////////////////////////////////////////////
void WindowImpl::setJoystickThreshold(float threshold)
{
m_joystickThreshold = threshold;
}
////////////////////////////////////////////////////////////
bool WindowImpl::popEvent(Event& event, bool block)
{
// If the event queue is empty, let's first check if new events are available from the OS
if (m_events.empty())
{
// Get events from the system
processJoystickEvents();
processSensorEvents();
processEvents();
// In blocking mode, we must process events until one is triggered
if (block)
{
// Here we use a manual wait loop instead of the optimized
// wait-event provided by the OS, so that we don't skip joystick
// events (which require polling)
while (m_events.empty())
{
sleep(milliseconds(10));
processJoystickEvents();
processSensorEvents();
processEvents();
}
}
}
// Pop the first event of the queue, if it is not empty
if (!m_events.empty())
{
event = m_events.front();
m_events.pop();
return true;
}
return false;
}
////////////////////////////////////////////////////////////
void WindowImpl::pushEvent(const Event& event)
{
m_events.push(event);
}
////////////////////////////////////////////////////////////
void WindowImpl::processJoystickEvents()
{
// First update the global joystick states
JoystickManager::getInstance().update();
for (unsigned int i = 0; i < Joystick::Count; ++i)
{
// Copy the previous state of the joystick and get the new one
JoystickState previousState = m_joystickStates[i];
m_joystickStates[i] = JoystickManager::getInstance().getState(i);
JoystickCaps caps = JoystickManager::getInstance().getCapabilities(i);
// Connection state
bool connected = m_joystickStates[i].connected;
if (previousState.connected ^ connected)
{
Event event;
event.type = connected ? Event::JoystickConnected : Event::JoystickDisconnected;
event.joystickButton.joystickId = i;
pushEvent(event);
}
if (connected)
{
// Axes
for (unsigned int j = 0; j < Joystick::AxisCount; ++j)
{
if (caps.axes[j])
{
Joystick::Axis axis = static_cast<Joystick::Axis>(j);
float prevPos = previousState.axes[axis];
float currPos = m_joystickStates[i].axes[axis];
if (fabs(currPos - prevPos) >= m_joystickThreshold)
{
Event event;
event.type = Event::JoystickMoved;
event.joystickMove.joystickId = i;
event.joystickMove.axis = axis;
event.joystickMove.position = currPos;
pushEvent(event);
}
}
}
// Buttons
for (unsigned int j = 0; j < caps.buttonCount; ++j)
{
bool prevPressed = previousState.buttons[j];
bool currPressed = m_joystickStates[i].buttons[j];
if (prevPressed ^ currPressed)
{
Event event;
event.type = currPressed ? Event::JoystickButtonPressed : Event::JoystickButtonReleased;
event.joystickButton.joystickId = i;
event.joystickButton.button = j;
pushEvent(event);
}
}
}
}
}
////////////////////////////////////////////////////////////
void WindowImpl::processSensorEvents()
{
// First update the sensor states
SensorManager::getInstance().update();
for (unsigned int i = 0; i < Sensor::Count; ++i)
{
Sensor::Type sensor = static_cast<Sensor::Type>(i);
// Only process enabled sensors
if (SensorManager::getInstance().isEnabled(sensor))
{
// Copy the previous value of the sensor and get the new one
Vector3f previousValue = m_sensorValue[i];
m_sensorValue[i] = SensorManager::getInstance().getValue(sensor);
// If the value has changed, trigger an event
if (m_sensorValue[i] != previousValue) // @todo use a threshold?
{
Event event;
event.type = Event::SensorChanged;
event.sensor.type = sensor;
event.sensor.x = m_sensorValue[i].x;
event.sensor.y = m_sensorValue[i].y;
event.sensor.z = m_sensorValue[i].z;
pushEvent(event);
}
}
}
}
} // namespace priv
} // namespace sf
|
