Files
segatools/games/apm3io/xi.c

168 lines
3.8 KiB
C

#include <windows.h>
#include <xinput.h>
#include <assert.h>
#include <stdbool.h>
#include <stdint.h>
#include "apm3io/backend.h"
#include "apm3io/config.h"
#include "apm3io/apm3io.h"
#include "apm3io/xi.h"
#include "util/dprintf.h"
static void apm3_xi_get_gamebtns(uint16_t *gamebtn_out);
static HRESULT apm3_xi_config_apply(const struct apm3_xi_config *cfg);
static const struct apm3_io_backend apm3_xi_backend = {
.get_gamebtns = apm3_xi_get_gamebtns,
};
static bool apm3_xi_analog_stick_enabled;
HRESULT apm3_xi_init(const struct apm3_xi_config *cfg, const struct apm3_io_backend **backend)
{
HRESULT hr;
assert(cfg != NULL);
assert(backend != NULL);
hr = apm3_xi_config_apply(cfg);
if (FAILED(hr)) {
return hr;
}
dprintf("XInput: Using XInput controller\n");
*backend = &apm3_xi_backend;
return S_OK;
}
HRESULT apm3_io_poll(void)
{
return S_OK;
}
static HRESULT apm3_xi_config_apply(const struct apm3_xi_config *cfg)
{
dprintf("XInput: --- Begin configuration ---\n");
dprintf("XInput: Analog Stick : %i\n", cfg->analog_stick_enabled);
dprintf("XInput: --- End configuration ---\n");
apm3_xi_analog_stick_enabled = cfg->analog_stick_enabled;
return S_OK;
}
static void apm3_xi_get_gamebtns(uint16_t *gamebtn_out)
{
uint16_t gamebtn;
XINPUT_STATE xi;
WORD xb;
int left_x, left_y;
assert(gamebtn_out != NULL);
gamebtn = 0;
memset(&xi, 0, sizeof(xi));
XInputGetState(0, &xi);
xb = xi.Gamepad.wButtons;
/* Use the left analog stick as a D Pad if enabled */
if (apm3_xi_analog_stick_enabled) {
left_x = xi.Gamepad.sThumbLX;
left_y = xi.Gamepad.sThumbLY;
if (left_x < -XINPUT_GAMEPAD_LEFT_THUMB_DEADZONE * 2) {
left_x += XINPUT_GAMEPAD_LEFT_THUMB_DEADZONE * 2;
} else if (left_x > XINPUT_GAMEPAD_LEFT_THUMB_DEADZONE * 2) {
left_x -= XINPUT_GAMEPAD_LEFT_THUMB_DEADZONE * 2;
} else {
left_x = 0;
}
if (left_y < -XINPUT_GAMEPAD_LEFT_THUMB_DEADZONE * 2) {
left_y += XINPUT_GAMEPAD_LEFT_THUMB_DEADZONE * 2;
} else if (left_y > XINPUT_GAMEPAD_LEFT_THUMB_DEADZONE * 2) {
left_y -= XINPUT_GAMEPAD_LEFT_THUMB_DEADZONE * 2;
} else {
left_y = 0;
}
if (left_y < 0) {
gamebtn |= APM3_IO_GAMEBTN_DOWN;
} else if (left_y > 0) {
gamebtn |= APM3_IO_GAMEBTN_UP;
}
if (left_x < 0) {
gamebtn |= APM3_IO_GAMEBTN_LEFT;
} else if (left_x > 0) {
gamebtn |= APM3_IO_GAMEBTN_RIGHT;
}
}
/* Normal game button controls */
if (xb & XINPUT_GAMEPAD_DPAD_UP) {
gamebtn |= APM3_IO_GAMEBTN_UP;
}
if (xb & XINPUT_GAMEPAD_DPAD_DOWN) {
gamebtn |= APM3_IO_GAMEBTN_DOWN;
}
if (xb & XINPUT_GAMEPAD_DPAD_LEFT) {
gamebtn |= APM3_IO_GAMEBTN_LEFT;
}
if (xb & XINPUT_GAMEPAD_DPAD_RIGHT) {
gamebtn |= APM3_IO_GAMEBTN_RIGHT;
}
if (xb & XINPUT_GAMEPAD_START) {
gamebtn |= APM3_IO_GAMEBTN_START;
}
if (xb & XINPUT_GAMEPAD_BACK) {
gamebtn |= APM3_IO_GAMEBTN_HOME;
}
if (xb & XINPUT_GAMEPAD_A) {
gamebtn |= APM3_IO_GAMEBTN_B1;
}
if (xb & XINPUT_GAMEPAD_B) {
gamebtn |= APM3_IO_GAMEBTN_B2;
}
if (xb & XINPUT_GAMEPAD_X) {
gamebtn |= APM3_IO_GAMEBTN_B5;
}
if (xb & XINPUT_GAMEPAD_Y) {
gamebtn |= APM3_IO_GAMEBTN_B6;
}
if (xb & XINPUT_GAMEPAD_LEFT_SHOULDER) {
gamebtn |= APM3_IO_GAMEBTN_B3;
}
if (xb & XINPUT_GAMEPAD_RIGHT_SHOULDER) {
gamebtn |= APM3_IO_GAMEBTN_B4;
}
if (xi.Gamepad.bLeftTrigger > 64) {
gamebtn |= APM3_IO_GAMEBTN_B7;
}
if (xi.Gamepad.bRightTrigger > 64) {
gamebtn |= APM3_IO_GAMEBTN_B8;
}
*gamebtn_out = gamebtn;
}