42 lines
942 B
C++
42 lines
942 B
C++
#include "StdAfx.h"
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#include "frontends/sa2/gamepad.h"
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#include "Log.h"
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#define AXIS_MIN -32768
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#define AXIS_MAX 32767
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Gamepad::Gamepad(const int index)
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: myButtonCodes(2), myAxisCodes(2)
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{
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myController.reset(SDL_GameControllerOpen(index), SDL_GameControllerClose);
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myButtonCodes[0] = SDL_CONTROLLER_BUTTON_A;
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myButtonCodes[1] = SDL_CONTROLLER_BUTTON_B;
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myAxisCodes[0] = SDL_CONTROLLER_AXIS_LEFTX;
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myAxisCodes[1] = SDL_CONTROLLER_AXIS_LEFTY;
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}
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bool Gamepad::getButton(int i) const
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{
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int value = 0;
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if (myController)
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{
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value = SDL_GameControllerGetButton(myController.get(), myButtonCodes[i]);
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}
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return value != 0;
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}
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double Gamepad::getAxis(int i) const
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{
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if (myController)
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{
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const int value = SDL_GameControllerGetAxis(myController.get(), myAxisCodes[i]);
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const double axis = 2.0 * double(value - AXIS_MIN) / double(AXIS_MAX - AXIS_MIN) - 1.0;
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return axis;
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}
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else
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{
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return 0.0;
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}
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}
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