forked from Hay1tsme/segatools
166 lines
3.7 KiB
C
166 lines
3.7 KiB
C
#include <windows.h>
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#include <xinput.h>
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#include <assert.h>
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#include <stdbool.h>
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#include <stdint.h>
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#include "swdcio/backend.h"
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#include "swdcio/config.h"
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#include "swdcio/swdcio.h"
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#include "swdcio/xi.h"
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#include "util/dprintf.h"
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static void swdc_xi_get_gamebtns(uint16_t *gamebtn_out);
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static void swdc_xi_get_analogs(struct swdc_io_analog_state *out);
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static HRESULT swdc_xi_config_apply(const struct swdc_xi_config *cfg);
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static const struct swdc_io_backend swdc_xi_backend = {
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.get_gamebtns = swdc_xi_get_gamebtns,
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.get_analogs = swdc_xi_get_analogs,
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};
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static bool swdc_xi_single_stick_steering;
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HRESULT swdc_xi_init(const struct swdc_xi_config *cfg, const struct swdc_io_backend **backend)
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{
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HRESULT hr;
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assert(cfg != NULL);
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assert(backend != NULL);
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hr = swdc_xi_config_apply(cfg);
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if (FAILED(hr)) {
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return hr;
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}
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dprintf("XInput: Using XInput controller\n");
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*backend = &swdc_xi_backend;
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return S_OK;
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}
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HRESULT swdc_io_poll(void)
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{
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return S_OK;
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}
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static HRESULT swdc_xi_config_apply(const struct swdc_xi_config *cfg)
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{
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dprintf("XInput: --- Begin configuration ---\n");
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dprintf("XInput: Single Stick Steering : %i\n", cfg->single_stick_steering);
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dprintf("XInput: --- End configuration ---\n");
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swdc_xi_single_stick_steering = cfg->single_stick_steering;
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return S_OK;
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}
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static void swdc_xi_get_gamebtns(uint16_t *gamebtn_out)
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{
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uint16_t gamebtn;
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XINPUT_STATE xi;
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WORD xb;
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assert(gamebtn_out != NULL);
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gamebtn = 0;
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memset(&xi, 0, sizeof(xi));
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XInputGetState(0, &xi);
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xb = xi.Gamepad.wButtons;
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if (xb & XINPUT_GAMEPAD_DPAD_UP) {
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gamebtn |= SWDC_IO_GAMEBTN_UP;
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}
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if (xb & XINPUT_GAMEPAD_DPAD_DOWN) {
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gamebtn |= SWDC_IO_GAMEBTN_DOWN;
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}
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if (xb & XINPUT_GAMEPAD_DPAD_LEFT) {
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gamebtn |= SWDC_IO_GAMEBTN_LEFT;
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}
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if (xb & XINPUT_GAMEPAD_DPAD_RIGHT) {
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gamebtn |= SWDC_IO_GAMEBTN_RIGHT;
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}
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if (xb & XINPUT_GAMEPAD_START) {
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gamebtn |= SWDC_IO_GAMEBTN_START;
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}
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if (xb & XINPUT_GAMEPAD_BACK) {
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gamebtn |= SWDC_IO_GAMEBTN_VIEW_CHANGE;
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}
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if (xb & XINPUT_GAMEPAD_A) {
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gamebtn |= SWDC_IO_GAMEBTN_STEERING_GREEN;
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}
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if (xb & XINPUT_GAMEPAD_B) {
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gamebtn |= SWDC_IO_GAMEBTN_STEERING_RED;
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}
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if (xb & XINPUT_GAMEPAD_X) {
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gamebtn |= SWDC_IO_GAMEBTN_STEERING_BLUE;
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}
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if (xb & XINPUT_GAMEPAD_Y) {
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gamebtn |= SWDC_IO_GAMEBTN_STEERING_YELLOW;
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}
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if (xb & XINPUT_GAMEPAD_LEFT_SHOULDER) {
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gamebtn |= SWDC_IO_GAMEBTN_STEERING_PADDLE_LEFT;
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}
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if (xb & XINPUT_GAMEPAD_RIGHT_SHOULDER) {
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gamebtn |= SWDC_IO_GAMEBTN_STEERING_PADDLE_RIGHT;
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}
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*gamebtn_out = gamebtn;
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}
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static void swdc_xi_get_analogs(struct swdc_io_analog_state *out)
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{
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XINPUT_STATE xi;
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int left;
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int right;
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assert(out != NULL);
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memset(&xi, 0, sizeof(xi));
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XInputGetState(0, &xi);
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left = xi.Gamepad.sThumbLX;
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if (left < -XINPUT_GAMEPAD_LEFT_THUMB_DEADZONE) {
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left += XINPUT_GAMEPAD_LEFT_THUMB_DEADZONE;
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} else if (left > XINPUT_GAMEPAD_LEFT_THUMB_DEADZONE) {
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left -= XINPUT_GAMEPAD_LEFT_THUMB_DEADZONE;
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} else {
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left = 0;
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}
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right = xi.Gamepad.sThumbRX;
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if (right < -XINPUT_GAMEPAD_RIGHT_THUMB_DEADZONE) {
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right += XINPUT_GAMEPAD_RIGHT_THUMB_DEADZONE;
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} else if (right > XINPUT_GAMEPAD_RIGHT_THUMB_DEADZONE) {
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right -= XINPUT_GAMEPAD_RIGHT_THUMB_DEADZONE;
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} else {
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right = 0;
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}
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if (swdc_xi_single_stick_steering) {
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out->wheel = left;
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} else {
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out->wheel = (left + right) / 2;
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}
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out->accel = xi.Gamepad.bRightTrigger << 8;
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out->brake = xi.Gamepad.bLeftTrigger << 8;
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}
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