forked from dolphin-emu/dolphin
455 lines
11 KiB
C++
455 lines
11 KiB
C++
// Copyright (C) 2010 Dolphin Project.
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, version 2.0.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official SVN repository and contact information can be found at
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// http://code.google.com/p/dolphin-emu/
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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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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 deadzone = settings[0]->value;
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ControlState square = settings[1]->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 (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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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 i = controls.begin(),
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e = controls.end();
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for (; i!=e; ++i, ++bitmasks)
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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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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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*analog = S(controls[i+trig_count]->control_ref->State() * range);
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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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