mirror of
https://github.com/dolphin-emu/dolphin.git
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b6e1127c8a
because that makes it easier to adjust it Adding visual aid for the hardware range because that makes it easier to adjust the radius relative to it
457 lines
11 KiB
C++
457 lines
11 KiB
C++
// Copyright 2013 Dolphin Emulator Project
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// Licensed under GPLv2
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// Refer to the license.txt file included.
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#ifndef _CONTROLLEREMU_H_
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#define _CONTROLLEREMU_H_
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// windows crap
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#define NOMINMAX
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#include <cmath>
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#include <vector>
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#include <string>
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#include <algorithm>
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#include "GCPadStatus.h"
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#include "ControllerInterface/ControllerInterface.h"
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#include "IniFile.h"
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#define sign(x) ((x)?(x)<0?-1:1:0)
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enum
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{
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GROUP_TYPE_OTHER,
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GROUP_TYPE_STICK,
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GROUP_TYPE_MIXED_TRIGGERS,
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GROUP_TYPE_BUTTONS,
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GROUP_TYPE_FORCE,
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GROUP_TYPE_EXTENSION,
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GROUP_TYPE_TILT,
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GROUP_TYPE_CURSOR,
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GROUP_TYPE_TRIGGERS,
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GROUP_TYPE_UDPWII,
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GROUP_TYPE_SLIDER,
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};
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enum
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{
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SETTING_RADIUS,
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SETTING_DEADZONE,
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SETTING_SQUARE,
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};
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const char * const named_directions[] =
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{
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"Up",
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"Down",
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"Left",
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"Right"
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};
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class ControllerEmu
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{
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public:
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class ControlGroup
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{
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public:
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class Control
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{
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protected:
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Control(ControllerInterface::ControlReference* const _ref, const char * const _name)
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: control_ref(_ref), name(_name){}
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public:
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virtual ~Control();
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ControllerInterface::ControlReference* const control_ref;
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const char * const name;
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};
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class Input : public Control
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{
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public:
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Input(const char * const _name)
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: Control(new ControllerInterface::InputReference, _name) {}
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};
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class Output : public Control
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{
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public:
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Output(const char * const _name)
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: Control(new ControllerInterface::OutputReference, _name) {}
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};
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class Setting
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{
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public:
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Setting(const char* const _name, const ControlState def_value
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, const unsigned int _low = 0, const unsigned int _high = 100 )
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: name(_name)
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, value(def_value)
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, default_value(def_value)
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, low(_low)
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, high(_high){}
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const char* const name;
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ControlState value;
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const ControlState default_value;
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const unsigned int low, high;
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};
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ControlGroup(const char* const _name, const unsigned int _type = GROUP_TYPE_OTHER) : name(_name), type(_type) {}
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virtual ~ControlGroup();
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virtual void LoadConfig(IniFile::Section *sec, const std::string& defdev = "", const std::string& base = "" );
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virtual void SaveConfig(IniFile::Section *sec, const std::string& defdev = "", const std::string& base = "" );
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const char* const name;
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const unsigned int type;
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std::vector< Control* > controls;
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std::vector< Setting* > settings;
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};
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class AnalogStick : public ControlGroup
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{
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public:
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template <typename C>
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void GetState(C* const x, C* const y, const unsigned int base, const unsigned int range)
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{
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// this is all a mess
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ControlState yy = controls[0]->control_ref->State() - controls[1]->control_ref->State();
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ControlState xx = controls[3]->control_ref->State() - controls[2]->control_ref->State();
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ControlState radius = settings[SETTING_RADIUS]->value;
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ControlState deadzone = settings[SETTING_DEADZONE]->value;
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ControlState square = settings[SETTING_SQUARE]->value;
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ControlState m = controls[4]->control_ref->State();
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// modifier code
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if (m)
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{
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yy = (fabsf(yy)>deadzone) * sign(yy) * (m + deadzone/2);
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xx = (fabsf(xx)>deadzone) * sign(xx) * (m + deadzone/2);
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}
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// deadzone / square stick code
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if (radius != 1 || deadzone || square)
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{
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// this section might be all wrong, but its working good enough, I think
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ControlState ang = atan2(yy, xx);
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ControlState ang_sin = sin(ang);
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ControlState ang_cos = cos(ang);
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// the amt a full square stick would have at current angle
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ControlState square_full = std::min(ang_sin ? 1/fabsf(ang_sin) : 2, ang_cos ? 1/fabsf(ang_cos) : 2);
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// the amt a full stick would have that was ( user setting squareness) at current angle
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// I think this is more like a pointed circle rather than a rounded square like it should be
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ControlState stick_full = (1 + (square_full - 1) * square);
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ControlState dist = sqrt(xx*xx + yy*yy);
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// dead zone code
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dist = std::max(0.0f, dist - deadzone * stick_full);
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dist /= (1 - deadzone);
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// square stick code
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ControlState amt = dist / stick_full;
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dist -= ((square_full - 1) * amt * square);
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// radius
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dist *= radius;
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yy = std::max(-1.0f, std::min(1.0f, ang_sin * dist));
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xx = std::max(-1.0f, std::min(1.0f, ang_cos * dist));
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}
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*y = C(yy * range + base);
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*x = C(xx * range + base);
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}
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AnalogStick(const char* const _name);
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};
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class Buttons : public ControlGroup
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{
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public:
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Buttons(const char* const _name);
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template <typename C>
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void GetState(C* const buttons, const C* bitmasks)
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{
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std::vector<Control*>::iterator
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i = controls.begin(),
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e = controls.end();
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for (; i!=e; ++i, ++bitmasks)
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{
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if ((*i)->control_ref->State() > settings[0]->value) // threshold
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*buttons |= *bitmasks;
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}
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}
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};
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class MixedTriggers : public ControlGroup
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{
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public:
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template <typename C, typename S>
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void GetState(C* const digital, const C* bitmasks, S* analog, const unsigned int range)
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{
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const unsigned int trig_count = ((unsigned int) (controls.size() / 2));
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for (unsigned int i=0; i<trig_count; ++i,++bitmasks,++analog)
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{
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if (controls[i]->control_ref->State() > settings[0]->value) //threshold
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{
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*analog = range;
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*digital |= *bitmasks;
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}
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else
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{
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*analog = S(controls[i+trig_count]->control_ref->State() * range);
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}
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}
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}
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MixedTriggers(const char* const _name);
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};
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class Triggers : public ControlGroup
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{
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public:
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template <typename S>
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void GetState(S* analog, const unsigned int range)
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{
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const unsigned int trig_count = ((unsigned int) (controls.size()));
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const ControlState deadzone = settings[0]->value;
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for (unsigned int i=0; i<trig_count; ++i,++analog)
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*analog = S(std::max(controls[i]->control_ref->State() - deadzone, 0.0f) / (1 - deadzone) * range);
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}
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Triggers(const char* const _name);
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};
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class Slider : public ControlGroup
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{
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public:
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template <typename S>
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void GetState(S* const slider, const unsigned int range, const unsigned int base = 0)
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{
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const float deadzone = settings[0]->value;
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const float state = controls[1]->control_ref->State() - controls[0]->control_ref->State();
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if (fabsf(state) > deadzone)
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*slider = (S)((state - (deadzone * sign(state))) / (1 - deadzone) * range + base);
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else
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*slider = 0;
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}
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Slider(const char* const _name);
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};
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class Force : public ControlGroup
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{
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public:
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Force(const char* const _name);
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template <typename C, typename R>
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void GetState(C* axis, const u8 base, const R range)
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{
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const float deadzone = settings[0]->value;
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for (unsigned int i=0; i<6; i+=2)
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{
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float tmpf = 0;
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const float state = controls[i+1]->control_ref->State() - controls[i]->control_ref->State();
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if (fabsf(state) > deadzone)
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tmpf = ((state - (deadzone * sign(state))) / (1 - deadzone));
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float &ax = m_swing[i >> 1];
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*axis++ = (C)((tmpf - ax) * range + base);
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ax = tmpf;
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}
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}
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private:
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float m_swing[3];
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};
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class Tilt : public ControlGroup
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{
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public:
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Tilt(const char* const _name);
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template <typename C, typename R>
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void GetState(C* const x, C* const y, const unsigned int base, const R range, const bool step = true)
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{
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// this is all a mess
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ControlState yy = controls[0]->control_ref->State() - controls[1]->control_ref->State();
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ControlState xx = controls[3]->control_ref->State() - controls[2]->control_ref->State();
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ControlState deadzone = settings[0]->value;
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ControlState circle = settings[1]->value;
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auto const angle = settings[2]->value / 1.8f;
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ControlState m = controls[4]->control_ref->State();
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// modifier code
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if (m)
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{
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yy = (fabsf(yy)>deadzone) * sign(yy) * (m + deadzone/2);
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xx = (fabsf(xx)>deadzone) * sign(xx) * (m + deadzone/2);
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}
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// deadzone / circle stick code
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if (deadzone || circle)
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{
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// this section might be all wrong, but its working good enough, I think
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ControlState ang = atan2(yy, xx);
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ControlState ang_sin = sin(ang);
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ControlState ang_cos = cos(ang);
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// the amt a full square stick would have at current angle
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ControlState square_full = std::min(ang_sin ? 1/fabsf(ang_sin) : 2, ang_cos ? 1/fabsf(ang_cos) : 2);
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// the amt a full stick would have that was (user setting circular) at current angle
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// I think this is more like a pointed circle rather than a rounded square like it should be
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ControlState stick_full = (square_full * (1 - circle)) + (circle);
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ControlState dist = sqrt(xx*xx + yy*yy);
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// dead zone code
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dist = std::max(0.0f, dist - deadzone * stick_full);
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dist /= (1 - deadzone);
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// circle stick code
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ControlState amt = dist / stick_full;
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dist += (square_full - 1) * amt * circle;
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yy = std::max(-1.0f, std::min(1.0f, ang_sin * dist));
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xx = std::max(-1.0f, std::min(1.0f, ang_cos * dist));
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}
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// this is kinda silly here
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// gui being open will make this happen 2x as fast, o well
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// silly
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if (step)
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{
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if (xx > m_tilt[0])
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m_tilt[0] = std::min(m_tilt[0] + 0.1f, xx);
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else if (xx < m_tilt[0])
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m_tilt[0] = std::max(m_tilt[0] - 0.1f, xx);
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if (yy > m_tilt[1])
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m_tilt[1] = std::min(m_tilt[1] + 0.1f, yy);
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else if (yy < m_tilt[1])
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m_tilt[1] = std::max(m_tilt[1] - 0.1f, yy);
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}
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*y = C(m_tilt[1] * angle * range + base);
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*x = C(m_tilt[0] * angle * range + base);
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}
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private:
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float m_tilt[2];
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};
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class Cursor : public ControlGroup
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{
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public:
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Cursor(const char* const _name);
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template <typename C>
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void GetState(C* const x, C* const y, C* const z, const bool adjusted = false)
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{
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const float zz = controls[4]->control_ref->State() - controls[5]->control_ref->State();
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// silly being here
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if (zz > m_z)
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m_z = std::min(m_z + 0.1f, zz);
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else if (zz < m_z)
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m_z = std::max(m_z - 0.1f, zz);
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*z = m_z;
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// hide
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if (controls[6]->control_ref->State() > 0.5f)
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{
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*x = 10000; *y = 0;
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}
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else
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{
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float yy = controls[0]->control_ref->State() - controls[1]->control_ref->State();
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float xx = controls[3]->control_ref->State() - controls[2]->control_ref->State();
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// adjust cursor according to settings
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if (adjusted)
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{
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xx *= (settings[1]->value * 2);
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yy *= (settings[2]->value * 2);
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yy += (settings[0]->value - 0.5f);
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}
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*x = xx;
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*y = yy;
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}
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}
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float m_z;
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};
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class Extension : public ControlGroup
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{
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public:
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Extension(const char* const _name)
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: ControlGroup(_name, GROUP_TYPE_EXTENSION)
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, switch_extension(0)
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, active_extension(0) {}
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~Extension();
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void GetState(u8* const data, const bool focus = true);
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std::vector<ControllerEmu*> attachments;
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int switch_extension;
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int active_extension;
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};
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virtual ~ControllerEmu();
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virtual std::string GetName() const = 0;
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virtual void LoadDefaults(const ControllerInterface& ciface);
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virtual void LoadConfig(IniFile::Section *sec, const std::string& base = "");
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virtual void SaveConfig(IniFile::Section *sec, const std::string& base = "");
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void UpdateDefaultDevice();
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void UpdateReferences(ControllerInterface& devi);
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std::vector< ControlGroup* > groups;
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ControllerInterface::DeviceQualifier default_device;
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};
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#endif
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