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https://github.com/dolphin-emu/dolphin.git
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877106b027
The ExpressionParser needs this to be out of here to prevent issues with cyclic references.
408 lines
8.6 KiB
C++
408 lines
8.6 KiB
C++
#include "ControllerInterface.h"
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#ifdef CIFACE_USE_XINPUT
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#include "XInput/XInput.h"
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#endif
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#ifdef CIFACE_USE_DINPUT
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#include "DInput/DInput.h"
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#endif
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#ifdef CIFACE_USE_XLIB
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#include "Xlib/Xlib.h"
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#endif
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#ifdef CIFACE_USE_OSX
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#include "OSX/OSX.h"
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#endif
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#ifdef CIFACE_USE_SDL
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#include "SDL/SDL.h"
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#endif
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#ifdef CIFACE_USE_ANDROID
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#include "Android/Android.h"
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#endif
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#include "Thread.h"
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namespace
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{
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const float INPUT_DETECT_THRESHOLD = 0.55f;
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}
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ControllerInterface g_controller_interface;
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//
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// Init
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//
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// detect devices and inputs outputs / will make refresh function later
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//
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void ControllerInterface::Initialize()
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{
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if (m_is_init)
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return;
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#ifdef CIFACE_USE_DINPUT
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ciface::DInput::Init(m_devices, (HWND)m_hwnd);
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#endif
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#ifdef CIFACE_USE_XINPUT
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ciface::XInput::Init(m_devices);
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#endif
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#ifdef CIFACE_USE_XLIB
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ciface::Xlib::Init(m_devices, m_hwnd);
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#endif
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#ifdef CIFACE_USE_OSX
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ciface::OSX::Init(m_devices, m_hwnd);
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#endif
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#ifdef CIFACE_USE_SDL
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ciface::SDL::Init(m_devices);
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#endif
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#ifdef CIFACE_USE_ANDROID
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ciface::Android::Init(m_devices);
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#endif
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m_is_init = true;
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}
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//
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// DeInit
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//
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// remove all devices/ call library cleanup functions
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//
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void ControllerInterface::Shutdown()
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{
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if (false == m_is_init)
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return;
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std::vector<Device*>::const_iterator
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d = m_devices.begin(),
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de = m_devices.end();
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for ( ;d != de; ++d )
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{
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std::vector<Device::Output*>::const_iterator
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o = (*d)->Outputs().begin(),
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oe = (*d)->Outputs().end();
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// set outputs to ZERO before destroying device
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for ( ;o!=oe; ++o)
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(*o)->SetState(0);
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// update output
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(*d)->UpdateOutput();
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//delete device
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delete *d;
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}
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m_devices.clear();
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#ifdef CIFACE_USE_XINPUT
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// nothing needed
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#endif
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#ifdef CIFACE_USE_DINPUT
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// nothing needed
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#endif
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#ifdef CIFACE_USE_XLIB
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// nothing needed
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#endif
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#ifdef CIFACE_USE_OSX
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ciface::OSX::DeInit();
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#endif
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#ifdef CIFACE_USE_SDL
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// TODO: there seems to be some sort of memory leak with SDL, quit isn't freeing everything up
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SDL_Quit();
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#endif
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#ifdef CIFACE_USE_ANDROID
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// nothing needed
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#endif
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m_is_init = false;
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}
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//
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// SetHwnd
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//
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// sets the hwnd used for some crap when initializing, use before calling Init
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//
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void ControllerInterface::SetHwnd( void* const hwnd )
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{
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m_hwnd = hwnd;
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}
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//
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// UpdateInput
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//
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// update input for all devices, return true if all devices returned successful
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//
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bool ControllerInterface::UpdateInput(const bool force)
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{
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std::unique_lock<std::recursive_mutex> lk(update_lock, std::defer_lock);
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if (force)
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lk.lock();
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else if (!lk.try_lock())
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return false;
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size_t ok_count = 0;
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std::vector<Device*>::const_iterator
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d = m_devices.begin(),
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e = m_devices.end();
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for ( ;d != e; ++d )
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{
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if ((*d)->UpdateInput())
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++ok_count;
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//else
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// disabled. it might be causing problems
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//(*d)->ClearInputState();
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}
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return (m_devices.size() == ok_count);
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}
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//
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// UpdateOutput
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//
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// update output for all devices, return true if all devices returned successful
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//
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bool ControllerInterface::UpdateOutput(const bool force)
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{
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std::unique_lock<std::recursive_mutex> lk(update_lock, std::defer_lock);
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if (force)
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lk.lock();
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else if (!lk.try_lock())
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return false;
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size_t ok_count = 0;
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std::vector<Device*>::const_iterator
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d = m_devices.begin(),
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e = m_devices.end();
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for (;d != e; ++d)
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(*d)->UpdateOutput();
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return (m_devices.size() == ok_count);
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}
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//
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// InputReference :: State
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//
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// get the state of an input reference
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// override function for ControlReference::State ...
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//
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ControlState ControllerInterface::InputReference::State( const ControlState ignore )
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{
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//if (NULL == device)
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//return 0;
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ControlState state = 0;
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std::vector<DeviceControl>::const_iterator
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ci = m_controls.begin(),
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ce = m_controls.end();
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// bit of hax for "NOT" to work at start of expression
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if (ci != ce)
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{
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if (ci->mode == 2)
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state = 1;
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}
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for (; ci!=ce; ++ci)
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{
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const ControlState istate = ci->control->ToInput()->GetState();
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switch (ci->mode)
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{
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// OR
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case 0 :
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state = std::max(state, istate);
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break;
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// AND
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case 1 :
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state = std::min(state, istate);
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break;
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// NOT
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case 2 :
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state = std::max(std::min(state, 1.0f - istate), 0.0f);
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break;
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// ADD
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case 3 :
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state += istate;
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break;
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}
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}
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return std::min(1.0f, state * range);
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}
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//
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// OutputReference :: State
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//
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// set the state of all binded outputs
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// overrides ControlReference::State .. combined them so i could make the gui simple / inputs == same as outputs one list
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// i was lazy and it works so watever
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//
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ControlState ControllerInterface::OutputReference::State(const ControlState state)
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{
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const ControlState tmp_state = std::min(1.0f, state * range);
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// output ref just ignores the modes ( |&!... )
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std::vector<DeviceControl>::iterator
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ci = m_controls.begin(),
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ce = m_controls.end();
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for (; ci != ce; ++ci)
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ci->control->ToOutput()->SetState(tmp_state);
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return state; // just return the output, watever
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}
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//
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// UpdateReference
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//
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// updates a controlreference's binded devices/controls
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// need to call this to re-parse a control reference's expression after changing it
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//
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void ControllerInterface::UpdateReference(ControllerInterface::ControlReference* ref
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, const DeviceQualifier& default_device) const
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{
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ref->m_controls.clear();
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// adding | to parse the last item, silly
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std::istringstream ss(ref->expression + '|');
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const std::string mode_chars("|&!^");
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ControlReference::DeviceControl devc;
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std::string dev_str;
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std::string ctrl_str;
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char c = 0;
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while (ss.read(&c, 1))
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{
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const size_t f = mode_chars.find(c);
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if (mode_chars.npos != f)
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{
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// add ctrl
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if (ctrl_str.size())
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{
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DeviceQualifier devq;
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// using default device or alterate device inside `backticks`
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if (dev_str.empty())
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devq = default_device;
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else
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devq.FromString(dev_str);
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// find device
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Device* const def_device = FindDevice(devq);
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if (def_device)
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{
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if (ref->is_input)
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devc.control = FindInput(ctrl_str, def_device);
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else
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devc.control = FindOutput(ctrl_str, def_device);
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if (devc.control)
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ref->m_controls.push_back(devc);
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}
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}
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// reset stuff for next ctrl
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devc.mode = (int)f;
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ctrl_str.clear();
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}
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else if ('`' == c)
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{
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// different device
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if (std::getline(ss, dev_str, '`').eof())
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break; // no terminating '`' character
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}
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else
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{
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ctrl_str += c;
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}
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}
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}
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//
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// InputReference :: Detect
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//
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// wait for input on all binded devices
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// supports not detecting inputs that were held down at the time of Detect start,
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// which is useful for those crazy flightsticks that have certain buttons that are always held down
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// or some crazy axes or something
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// upon input, return pointer to detected Control
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// else return NULL
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//
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Device::Control* ControllerInterface::InputReference::Detect(const unsigned int ms, Device* const device)
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{
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unsigned int time = 0;
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std::vector<bool> states(device->Inputs().size());
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if (device->Inputs().size() == 0)
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return NULL;
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// get starting state of all inputs,
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// so we can ignore those that were activated at time of Detect start
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std::vector<Device::Input*>::const_iterator
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i = device->Inputs().begin(),
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e = device->Inputs().end();
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for (std::vector<bool>::iterator state = states.begin(); i != e; ++i)
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*state++ = ((*i)->GetState() > (1 - INPUT_DETECT_THRESHOLD));
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while (time < ms)
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{
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device->UpdateInput();
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i = device->Inputs().begin();
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for (std::vector<bool>::iterator state = states.begin(); i != e; ++i,++state)
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{
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// detected an input
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if ((*i)->IsDetectable() && (*i)->GetState() > INPUT_DETECT_THRESHOLD)
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{
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// input was released at some point during Detect call
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// return the detected input
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if (false == *state)
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return *i;
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}
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else if ((*i)->GetState() < (1 - INPUT_DETECT_THRESHOLD))
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{
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*state = false;
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}
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}
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Common::SleepCurrentThread(10); time += 10;
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}
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// no input was detected
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return NULL;
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}
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//
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// OutputReference :: Detect
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//
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// Totally different from the inputReference detect / I have them combined so it was simpler to make the GUI.
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// The GUI doesn't know the difference between an input and an output / it's odd but I was lazy and it was easy
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//
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// set all binded outputs to <range> power for x milliseconds return false
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//
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Device::Control* ControllerInterface::OutputReference::Detect(const unsigned int ms, Device* const device)
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{
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// ignore device
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// don't hang if we don't even have any controls mapped
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if (m_controls.size())
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{
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State(1);
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unsigned int slept = 0;
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// this loop is to make stuff like flashing keyboard LEDs work
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while (ms > (slept += 10))
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{
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// TODO: improve this to update more than just the default device's output
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device->UpdateOutput();
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Common::SleepCurrentThread(10);
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}
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State(0);
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device->UpdateOutput();
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}
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return NULL;
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}
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