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https://github.com/libretro/Mesen.git
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55 lines
2.1 KiB
C++
55 lines
2.1 KiB
C++
#include "stdafx.h"
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#include "GamePad.h"
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GamePad::GamePad()
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{
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for(int i = 0; i < XUSER_MAX_COUNT; i++) {
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_gamePadStates.push_back(shared_ptr<XINPUT_STATE>(new XINPUT_STATE()));
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}
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}
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void GamePad::RefreshState()
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{
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for(DWORD i = 0; i < XUSER_MAX_COUNT; i++) {
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if(_gamePadStates[i] != nullptr) {
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ZeroMemory(_gamePadStates[i].get(), sizeof(XINPUT_STATE));
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if(XInputGetState(i, _gamePadStates[i].get()) != ERROR_SUCCESS) {
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//XInputGetState is incredibly slow when no controller is plugged in
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//TODO: Periodically detect if a controller has been plugged in to allow controllers to be plugged in after the emu is started
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_gamePadStates[i] = nullptr;
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}
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}
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}
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}
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bool GamePad::IsPressed(uint8_t gamepadPort, uint8_t button)
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{
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if(_gamePadStates[gamepadPort] != nullptr) {
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XINPUT_GAMEPAD &gamepad = _gamePadStates[gamepadPort]->Gamepad;
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if(button <= 16) {
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WORD xinputButton = 1 << (button - 1);
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if(xinputButton == XINPUT_GAMEPAD_DPAD_LEFT && gamepad.sThumbLX < -XINPUT_GAMEPAD_LEFT_THUMB_DEADZONE) {
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gamepad.wButtons |= xinputButton;
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} else if(xinputButton == XINPUT_GAMEPAD_DPAD_RIGHT && gamepad.sThumbLX > XINPUT_GAMEPAD_LEFT_THUMB_DEADZONE) {
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gamepad.wButtons |= xinputButton;
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} else if(xinputButton == XINPUT_GAMEPAD_DPAD_UP && gamepad.sThumbLY > XINPUT_GAMEPAD_LEFT_THUMB_DEADZONE) {
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gamepad.wButtons |= xinputButton;
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} else if(xinputButton == XINPUT_GAMEPAD_DPAD_DOWN && gamepad.sThumbLY < -XINPUT_GAMEPAD_LEFT_THUMB_DEADZONE) {
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gamepad.wButtons |= xinputButton;
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}
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return (_gamePadStates[gamepadPort]->Gamepad.wButtons & xinputButton) != 0;
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} else {
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switch(button) {
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case 17: return gamepad.bLeftTrigger > XINPUT_GAMEPAD_TRIGGER_THRESHOLD;
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case 18: return gamepad.bRightTrigger > XINPUT_GAMEPAD_TRIGGER_THRESHOLD;
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case 19: return gamepad.sThumbRY > XINPUT_GAMEPAD_RIGHT_THUMB_DEADZONE;
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case 20: return gamepad.sThumbRY < -XINPUT_GAMEPAD_RIGHT_THUMB_DEADZONE;
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case 21: return gamepad.sThumbRX < -XINPUT_GAMEPAD_RIGHT_THUMB_DEADZONE;
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case 22: return gamepad.sThumbRX > XINPUT_GAMEPAD_RIGHT_THUMB_DEADZONE;
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}
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}
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}
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return false;
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}
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