segatools/mu3io/mu3io.c
2019-08-30 19:05:23 -04:00

144 lines
2.7 KiB
C

#include <windows.h>
#include <xinput.h>
#include <limits.h>
#include <stdint.h>
#include "mu3io/mu3io.h"
static uint8_t mu3_opbtn;
static uint8_t mu3_left_btn;
static uint8_t mu3_right_btn;
static int16_t mu3_lever_pos;
static int16_t mu3_lever_xpos;
HRESULT mu3_io_init(void)
{
return S_OK;
}
HRESULT mu3_io_poll(void)
{
int lever;
int xlever;
XINPUT_STATE xi;
WORD xb;
mu3_opbtn = 0;
mu3_left_btn = 0;
mu3_right_btn = 0;
if (GetAsyncKeyState(VK_F1) & 0x8000) {
mu3_opbtn |= MU3_IO_OPBTN_TEST;
}
if (GetAsyncKeyState(VK_F2) & 0x8000) {
mu3_opbtn |= MU3_IO_OPBTN_SERVICE;
}
memset(&xi, 0, sizeof(xi));
XInputGetState(0, &xi);
xb = xi.Gamepad.wButtons;
if (xb & XINPUT_GAMEPAD_DPAD_LEFT) {
mu3_left_btn |= MU3_IO_GAMEBTN_1;
}
if (xb & XINPUT_GAMEPAD_DPAD_UP) {
mu3_left_btn |= MU3_IO_GAMEBTN_2;
}
if (xb & XINPUT_GAMEPAD_DPAD_RIGHT) {
mu3_left_btn |= MU3_IO_GAMEBTN_3;
}
if (xb & XINPUT_GAMEPAD_X) {
mu3_right_btn |= MU3_IO_GAMEBTN_1;
}
if (xb & XINPUT_GAMEPAD_Y) {
mu3_right_btn |= MU3_IO_GAMEBTN_2;
}
if (xb & XINPUT_GAMEPAD_B) {
mu3_right_btn |= MU3_IO_GAMEBTN_3;
}
if (xb & XINPUT_GAMEPAD_BACK) {
mu3_left_btn |= MU3_IO_GAMEBTN_MENU;
}
if (xb & XINPUT_GAMEPAD_START) {
mu3_right_btn |= MU3_IO_GAMEBTN_MENU;
}
if (xb & XINPUT_GAMEPAD_LEFT_SHOULDER) {
mu3_left_btn |= MU3_IO_GAMEBTN_SIDE;
}
if (xb & XINPUT_GAMEPAD_RIGHT_SHOULDER) {
mu3_right_btn |= MU3_IO_GAMEBTN_SIDE;
}
lever = mu3_lever_pos;
if (abs(xi.Gamepad.sThumbLX) > XINPUT_GAMEPAD_LEFT_THUMB_DEADZONE) {
lever += xi.Gamepad.sThumbLX / 24;
}
if (abs(xi.Gamepad.sThumbRX) > XINPUT_GAMEPAD_RIGHT_THUMB_DEADZONE) {
lever += xi.Gamepad.sThumbRX / 24;
}
if (lever < INT16_MIN) {
lever = INT16_MIN;
}
if (lever > INT16_MAX) {
lever = INT16_MAX;
}
mu3_lever_pos = lever;
xlever = mu3_lever_pos
+ xi.Gamepad.bLeftTrigger * 64
- xi.Gamepad.bRightTrigger * 64;
if (xlever < INT16_MIN) {
xlever = INT16_MIN;
}
if (xlever > INT16_MAX) {
xlever = INT16_MAX;
}
mu3_lever_xpos = xlever;
return S_OK;
}
void mu3_io_get_opbtns(uint8_t *opbtn)
{
if (opbtn != NULL) {
*opbtn = mu3_opbtn;
}
}
void mu3_io_get_gamebtns(uint8_t *left, uint8_t *right)
{
if (left != NULL) {
*left = mu3_left_btn;
}
if (right != NULL ){
*right = mu3_right_btn;
}
}
void mu3_io_get_lever(int16_t *pos)
{
if (pos != NULL) {
*pos = mu3_lever_xpos;
}
}