dolphin/Source/Core/InputCommon/ControllerEmu.h

458 lines
11 KiB
C
Raw Normal View History

// Copyright 2010 Dolphin Emulator Project
2015-05-17 23:08:10 +00:00
// Licensed under GPLv2+
// Refer to the license.txt file included.
#pragma once
#include <algorithm>
#include <cmath>
#include <memory>
#include <string>
#include <vector>
#include "Common/IniFile.h"
#include "Core/ConfigManager.h"
#include "InputCommon/GCPadStatus.h"
#include "InputCommon/ControllerInterface/ControllerInterface.h"
#define sign(x) ((x)?(x)<0?-1:1:0)
enum
{
GROUP_TYPE_OTHER,
GROUP_TYPE_STICK,
GROUP_TYPE_MIXED_TRIGGERS,
GROUP_TYPE_BUTTONS,
GROUP_TYPE_FORCE,
GROUP_TYPE_EXTENSION,
GROUP_TYPE_TILT,
GROUP_TYPE_CURSOR,
GROUP_TYPE_TRIGGERS,
GROUP_TYPE_SLIDER
};
enum
{
SETTING_RADIUS,
SETTING_DEADZONE,
};
const char* const named_directions[] =
{
"Up",
"Down",
"Left",
"Right"
};
class ControllerEmu
{
public:
class ControlGroup
{
public:
class Control
{
protected:
Control(ControllerInterface::ControlReference* const _ref, const std::string& _name)
: control_ref(_ref), name(_name) {}
public:
virtual ~Control() {}
std::unique_ptr<ControllerInterface::ControlReference> const control_ref;
const std::string name;
};
class Input : public Control
{
public:
Input(const std::string& _name)
: Control(new ControllerInterface::InputReference, _name) {}
};
class Output : public Control
{
public:
Output(const std::string& _name)
: Control(new ControllerInterface::OutputReference, _name) {}
};
class Setting
{
public:
Setting(const std::string& _name, const ControlState def_value
, const unsigned int _low = 0, const unsigned int _high = 100)
: name(_name)
, value(def_value)
, default_value(def_value)
, low(_low)
, high(_high)
, is_virtual(false)
, is_iterate(false) {}
virtual ~Setting()
{
}
const std::string name;
ControlState value;
const ControlState default_value;
const unsigned int low, high;
bool is_virtual;
bool is_iterate;
virtual void SetValue(ControlState new_value)
{
value = new_value;
}
virtual ControlState GetValue()
{
return value;
}
};
class BackgroundInputSetting : public Setting
{
public:
BackgroundInputSetting(const std::string &_name) : Setting(_name, false)
{
is_virtual = true;
}
void SetValue(ControlState new_value) override
{
SConfig::GetInstance().m_BackgroundInput = !!new_value;
}
ControlState GetValue() override
{
return SConfig::GetInstance().m_BackgroundInput;
}
};
class IterateUI : public Setting
{
public:
IterateUI(const std::string &_name) : Setting(_name, false)
{
is_iterate = true;
}
};
ControlGroup(const std::string& _name, const unsigned int _type = GROUP_TYPE_OTHER)
: name(_name), ui_name(_name), type(_type) {}
ControlGroup(const std::string& _name, const std::string& _ui_name, const unsigned int _type = GROUP_TYPE_OTHER)
: name(_name), ui_name(_ui_name), type(_type) {}
virtual ~ControlGroup() {}
virtual void LoadConfig(IniFile::Section *sec, const std::string& defdev = "", const std::string& base = "" );
virtual void SaveConfig(IniFile::Section *sec, const std::string& defdev = "", const std::string& base = "" );
void SetControlExpression(int index, const std::string& expression);
const std::string name;
const std::string ui_name;
const unsigned int type;
std::vector<std::unique_ptr<Control>> controls;
std::vector<std::unique_ptr<Setting>> settings;
};
class AnalogStick : public ControlGroup
{
public:
// The GameCube controller and Wiimote attachments have a different default radius
AnalogStick(const char* const _name, ControlState default_radius);
AnalogStick(const char* const _name, const char* const _ui_name, ControlState default_radius);
void GetState(ControlState* const x, ControlState* const y)
{
ControlState yy = controls[0]->control_ref->State() - controls[1]->control_ref->State();
ControlState xx = controls[3]->control_ref->State() - controls[2]->control_ref->State();
ControlState radius = settings[SETTING_RADIUS]->value;
ControlState deadzone = settings[SETTING_DEADZONE]->value;
ControlState m = controls[4]->control_ref->State();
ControlState ang = atan2(yy, xx);
ControlState ang_sin = sin(ang);
ControlState ang_cos = cos(ang);
ControlState dist = sqrt(xx*xx + yy*yy);
// dead zone code
dist = std::max(0.0, dist - deadzone);
dist /= (1 - deadzone);
// radius
dist *= radius;
// The modifier halves the distance by 50%, which is useful
// for keyboard controls.
if (m)
dist *= 0.5;
yy = std::max(-1.0, std::min(1.0, ang_sin * dist));
xx = std::max(-1.0, std::min(1.0, ang_cos * dist));
*y = yy;
*x = xx;
}
};
class Buttons : public ControlGroup
{
public:
Buttons(const std::string& _name);
template <typename C>
void GetState(C* const buttons, const C* bitmasks)
{
for (auto& control : controls)
{
if (control->control_ref->State() > settings[0]->value) // threshold
*buttons |= *bitmasks;
bitmasks++;
}
}
};
class MixedTriggers : public ControlGroup
{
public:
2014-06-17 20:10:23 +00:00
MixedTriggers(const std::string& _name);
void GetState(u16 *const digital, const u16* bitmasks, ControlState* analog)
{
const unsigned int trig_count = ((unsigned int) (controls.size() / 2));
for (unsigned int i=0; i<trig_count; ++i,++bitmasks,++analog)
{
if (controls[i]->control_ref->State() > settings[0]->value) //threshold
{
*analog = 1.0;
*digital |= *bitmasks;
}
else
{
*analog = controls[i+trig_count]->control_ref->State();
}
}
}
};
class Triggers : public ControlGroup
{
public:
2014-06-17 20:10:23 +00:00
Triggers(const std::string& _name);
void GetState(ControlState* analog)
{
const unsigned int trig_count = ((unsigned int) (controls.size()));
const ControlState deadzone = settings[0]->value;
for (unsigned int i=0; i<trig_count; ++i,++analog)
*analog = std::max(controls[i]->control_ref->State() - deadzone, 0.0) / (1 - deadzone);
}
};
class Slider : public ControlGroup
{
public:
2014-06-17 20:10:23 +00:00
Slider(const std::string& _name);
void GetState(ControlState* const slider)
{
const ControlState deadzone = settings[0]->value;
const ControlState state = controls[1]->control_ref->State() - controls[0]->control_ref->State();
if (fabs(state) > deadzone)
*slider = (state - (deadzone * sign(state))) / (1 - deadzone);
else
*slider = 0;
}
};
class Force : public ControlGroup
{
public:
Force(const std::string& _name);
void GetState(ControlState* axis)
{
const ControlState deadzone = settings[0]->value;
for (unsigned int i = 0; i < 6; i += 2)
{
ControlState tmpf = 0;
const ControlState state = controls[i+1]->control_ref->State() - controls[i]->control_ref->State();
if (fabs(state) > deadzone)
tmpf = ((state - (deadzone * sign(state))) / (1 - deadzone));
ControlState &ax = m_swing[i >> 1];
*axis++ = (tmpf - ax);
ax = tmpf;
}
}
private:
ControlState m_swing[3];
};
class Tilt : public ControlGroup
{
public:
Tilt(const std::string& _name);
void GetState(ControlState* const x, ControlState* const y, const bool step = true)
{
// this is all a mess
ControlState yy = controls[0]->control_ref->State() - controls[1]->control_ref->State();
ControlState xx = controls[3]->control_ref->State() - controls[2]->control_ref->State();
ControlState deadzone = settings[0]->value;
ControlState circle = settings[1]->value;
auto const angle = settings[2]->value / 1.8;
ControlState m = controls[4]->control_ref->State();
// deadzone / circle stick code
// this section might be all wrong, but its working good enough, I think
ControlState ang = atan2(yy, xx);
ControlState ang_sin = sin(ang);
ControlState ang_cos = cos(ang);
// the amt a full square stick would have at current angle
ControlState square_full = std::min(ang_sin ? 1/fabs(ang_sin) : 2, ang_cos ? 1/fabs(ang_cos) : 2);
// the amt a full stick would have that was (user setting circular) at current angle
// I think this is more like a pointed circle rather than a rounded square like it should be
ControlState stick_full = (square_full * (1 - circle)) + (circle);
ControlState dist = sqrt(xx*xx + yy*yy);
// dead zone code
dist = std::max(0.0, dist - deadzone * stick_full);
dist /= (1 - deadzone);
// circle stick code
ControlState amt = dist / stick_full;
dist += (square_full - 1) * amt * circle;
if (m)
dist *= 0.5;
yy = std::max(-1.0, std::min(1.0, ang_sin * dist));
xx = std::max(-1.0, std::min(1.0, ang_cos * dist));
// this is kinda silly here
// gui being open will make this happen 2x as fast, o well
// silly
if (step)
{
if (xx > m_tilt[0])
m_tilt[0] = std::min(m_tilt[0] + 0.1, xx);
else if (xx < m_tilt[0])
m_tilt[0] = std::max(m_tilt[0] - 0.1, xx);
if (yy > m_tilt[1])
m_tilt[1] = std::min(m_tilt[1] + 0.1, yy);
else if (yy < m_tilt[1])
m_tilt[1] = std::max(m_tilt[1] - 0.1, yy);
}
*y = m_tilt[1] * angle;
*x = m_tilt[0] * angle;
}
private:
ControlState m_tilt[2];
};
class Cursor : public ControlGroup
{
public:
Cursor(const std::string& _name);
void GetState(ControlState* const x, ControlState* const y, ControlState* const z, const bool adjusted = false)
{
const ControlState zz = controls[4]->control_ref->State() - controls[5]->control_ref->State();
// silly being here
if (zz > m_z)
m_z = std::min(m_z + 0.1, zz);
else if (zz < m_z)
m_z = std::max(m_z - 0.1, zz);
*z = m_z;
// hide
if (controls[6]->control_ref->State() > 0.5)
{
*x = 10000; *y = 0;
}
else
{
ControlState yy = controls[0]->control_ref->State() - controls[1]->control_ref->State();
ControlState xx = controls[3]->control_ref->State() - controls[2]->control_ref->State();
// adjust cursor according to settings
if (adjusted)
{
xx *= (settings[1]->value * 2);
yy *= (settings[2]->value * 2);
yy += (settings[0]->value - 0.5);
}
*x = xx;
*y = yy;
}
}
ControlState m_z;
};
class Extension : public ControlGroup
{
public:
Extension(const std::string& _name)
: ControlGroup(_name, GROUP_TYPE_EXTENSION)
, switch_extension(0)
, active_extension(0) {}
~Extension() {}
void GetState(u8* const data);
bool IsButtonPressed() const;
std::vector<std::unique_ptr<ControllerEmu>> attachments;
int switch_extension;
int active_extension;
};
virtual ~ControllerEmu() {}
virtual std::string GetName() const = 0;
virtual void LoadDefaults(const ControllerInterface& ciface);
virtual void LoadConfig(IniFile::Section *sec, const std::string& base = "");
virtual void SaveConfig(IniFile::Section *sec, const std::string& base = "");
void UpdateDefaultDevice();
void UpdateReferences(ControllerInterface& devi);
std::vector<std::unique_ptr<ControlGroup>> groups;
ciface::Core::DeviceQualifier default_device;
};