dolphin/Source/Plugins/InputPluginCommon/Src/ControllerEmu.h

314 lines
7.6 KiB
C++

#ifndef _CONTROLLEREMU_H_
#define _CONTROLLEREMU_H_
// windows crap
#define NOMINMAX
#include "pluginspecs_pad.h"
#include "pluginspecs_wiimote.h"
//#include <CommonTypes.h>
#include <math.h>
#include <ControllerInterface/ControllerInterface.h>
#include "IniFile.h"
#include <vector>
#include <string>
#include <algorithm>
#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,
};
const char * const named_directions[] =
{
"Up",
"Down",
"Left",
"Right"
};
class ControllerEmu
{
public:
class ControlGroup
{
public:
class Control
{
protected:
Control( ControllerInterface::ControlReference* const _ref, const char * const _name )
: control_ref(_ref), name(_name){}
public:
//virtual std::string GetName() const = 0;
ControllerInterface::ControlReference* const control_ref;
const char * const name;
};
class Input : public Control
{
public:
Input( const char * const _name )
: Control( new ControllerInterface::InputReference, _name ) {}
};
class Output : public Control
{
public:
Output( const char * const _name )
: Control( new ControllerInterface::OutputReference, _name ) {}
};
class Setting
{
public:
Setting(const char* const _name, const float def_value ) : name(_name), value(def_value), default_value(def_value) {}
const char* const name;
ControlState value;
const ControlState default_value;
};
ControlGroup( const char* const _name, const unsigned int _type = GROUP_TYPE_OTHER ) : name(_name), type(_type) {}
virtual ~ControlGroup();
void LoadConfig( IniFile::Section& sec, const std::string& defdev = "", const std::string& base = "" );
void SaveConfig( IniFile::Section& sec, const std::string& defdev = "", const std::string& base = "" );
//const unsigned int type;
const char* const name;
const unsigned int type;
std::vector< Control* > controls;
std::vector< Setting* > settings;
};
class AnalogStick : public ControlGroup
{
public:
template <typename C>
void GetState( C* const x, C* const y, const unsigned int base, const unsigned int range )
{
// 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 square = settings[1]->value;
ControlState m = controls[4]->control_ref->State();
// modifier code
if ( m )
{
yy = (abs(yy)>deadzone) * sign(yy) * (m + deadzone/2);
xx = (abs(xx)>deadzone) * sign(xx) * (m + deadzone/2);
}
// deadzone / square stick code
if ( deadzone || square )
{
// 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( 1/abs(ang_sin), 1/abs(ang_cos) );
// the amt a full stick would have that was ( user setting squareness) at current angle
// i think this is more like a pointed circle rather than a rounded square like it should be
ControlState stick_full = ( 1 + ( square_full - 1 ) * square );
ControlState dist = sqrt(xx*xx + yy*yy);
// dead zone code
dist = std::max( 0.0f, dist - deadzone * stick_full );
dist /= ( 1 - deadzone );
// square stick code
ControlState amt = dist / stick_full;
dist -= ((square_full - 1) * amt * square);
yy = std::max( -1.0f, std::min( 1.0f, ang_sin * dist ) );
xx = std::max( -1.0f, std::min( 1.0f, ang_cos * dist ) );
}
*y = C( yy * range + base );
*x = C( xx * range + base );
}
AnalogStick( const char* const _name );
};
class Buttons : public ControlGroup
{
public:
Buttons( const char* const _name );
template <typename C>
void GetState( C* const buttons, const C* bitmasks )
{
std::vector<Control*>::iterator i = controls.begin(),
e = controls.end();
for ( ; i!=e; ++i, ++bitmasks )
if ( (*i)->control_ref->State() > settings[0]->value ) // threshold
*buttons |= *bitmasks;
}
};
class MixedTriggers : public ControlGroup
{
public:
template <typename C, typename S>
void GetState( C* const digital, const C* bitmasks, S* analog, const unsigned int range )
{
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 = range;
*digital |= *bitmasks;
}
else
*analog = S(controls[i+trig_count]->control_ref->State() * range);
}
}
MixedTriggers( const char* const _name );
};
class Force : public ControlGroup
{
public:
Force( const char* const _name );
void GetState( u8* data, const u8 base, const u8 range );
};
class Tilt : public ControlGroup
{
public:
Tilt( const char* const _name );
template <typename C, typename R>
void GetState( C* const x, C* const y, const unsigned int base, const R range )
{
// 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;
ControlState m = controls[4]->control_ref->State();
// modifier code
if ( m )
{
yy = (abs(yy)>deadzone) * sign(yy) * (m + deadzone/2);
xx = (abs(xx)>deadzone) * sign(xx) * (m + deadzone/2);
}
// deadzone / circle stick code
if ( deadzone || circle )
{
// 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( 1/abs(ang_sin), 1/abs(ang_cos) );
// 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( 0.0f, dist - deadzone * stick_full );
dist /= (1 - deadzone);
// circle stick code
ControlState amt = dist / stick_full;
dist += (square_full - 1) * amt * circle;
yy = std::max( -1.0f, std::min( 1.0f, ang_sin * dist ) );
xx = std::max( -1.0f, std::min( 1.0f, ang_cos * dist ) );
}
*y = C( yy * range + base );
*x = C( xx * range + base );
}
};
class Extension : public ControlGroup
{
public:
Extension( const char* const _name )
: ControlGroup( _name, GROUP_TYPE_EXTENSION )
, switch_extension(0)
, active_extension(0) {}
void GetState( u8* const data );
std::vector<ControllerEmu*> attachments;
int switch_extension;
int active_extension;
};
virtual ~ControllerEmu();
virtual std::string GetName() const = 0;
void LoadConfig( IniFile::Section& sec, const std::string& base = "" );
void SaveConfig( IniFile::Section& sec, const std::string& base = "" );
void UpdateDefaultDevice();
void UpdateReferences( ControllerInterface& devi );
std::vector< ControlGroup* > groups;
ControlGroup* options;
ControllerInterface::DeviceQualifier default_device;
};
#endif