Xinput controller support
Used when DirectInput is disabled/not available (DINPUT=n). Default in ARM32. Supports up to 4 compatiable controllers, with 8 axis (left & right thumb stick, two analog triggers and d-pad) and 12 buttons (basic buttons, and digital trigger)
This commit is contained in:
driver1998
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src/win/win_joystick_xinput.cpp
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src/win/win_joystick_xinput.cpp
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/*
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* 86Box A hypervisor and IBM PC system emulator that specializes in
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* running old operating systems and software designed for IBM
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* PC systems and compatibles from 1981 through fairly recent
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* system designs based on the PCI bus.
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*
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* This file is part of the 86Box distribution.
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*
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* Xinput joystick interface.
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*
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* Version: @(#)win_joystick_xinput.cpp 1.0.0 2019/3/19
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*
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* Authors: Sarah Walker, <http://pcem-emulator.co.uk/>
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* Miran Grca, <mgrca8@gmail.com>
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* GH Cao, <driver1998.ms@outlook.com>
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*
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* Copyright 2008-2018 Sarah Walker.
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* Copyright 2016-2018 Miran Grca.
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* Copyright 2019 GH Cao.
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*/
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#include <Xinput.h>
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#include <math.h>
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#include <stdarg.h>
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#include <stdint.h>
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#include <stdio.h>
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#define HAVE_STDARG_H
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#include "../86box.h"
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#include "../device.h"
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#include "../plat.h"
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#include "../game/gameport.h"
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#include "win.h"
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#define XINPUT_MAX_JOYSTICKS 4
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#define XINPUT_NAME "Xinput compatiable controller"
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#define XINPUT_NAME_LX "Left Stick X"
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#define XINPUT_NAME_LY "Left Stick Y"
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#define XINPUT_NAME_RX "Right Stick X"
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#define XINPUT_NAME_RY "Right Stick Y"
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#define XINPUT_NAME_DPAD_X "D-pad X"
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#define XINPUT_NAME_DPAD_Y "D-pad Y"
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#define XINPUT_NAME_LB "LB"
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#define XINPUT_NAME_RB "RB"
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#define XINPUT_NAME_LT "LT"
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#define XINPUT_NAME_RT "RT"
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#define XINPUT_NAME_A "A"
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#define XINPUT_NAME_B "B"
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#define XINPUT_NAME_X "X"
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#define XINPUT_NAME_Y "Y"
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#define XINPUT_NAME_BACK "Back/View"
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#define XINPUT_NAME_START "Start/Menu"
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#define XINPUT_NAME_LS "Left Stick"
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#define XINPUT_NAME_RS "Right Stick"
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#ifdef ENABLE_JOYSTICK_LOG
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int joystick_do_log = ENABLE_JOYSTICK_LOG;
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static void
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joystick_log(const char *fmt, ...)
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{
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va_list ap;
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if (joystick_do_log) {
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va_start(ap, fmt);
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pclog_ex(fmt, ap);
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va_end(ap);
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}
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}
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#else
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#define joystick_log(fmt, ...)
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#endif
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plat_joystick_t plat_joystick_state[MAX_PLAT_JOYSTICKS];
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joystick_t joystick_state[MAX_JOYSTICKS];
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int joysticks_present = 0;
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XINPUT_STATE controllers[XINPUT_MAX_JOYSTICKS];
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void joystick_init()
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{
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int c;
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atexit(joystick_close);
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joysticks_present = 0;
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memset(controllers, 0, sizeof(XINPUT_STATE) * XINPUT_MAX_JOYSTICKS);
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for (c=0; c<XINPUT_MAX_JOYSTICKS; c++) {
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int value = XInputGetState(c, &controllers[c]);
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if (value != ERROR_SUCCESS) continue;
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memcpy(plat_joystick_state[c].name, XINPUT_NAME, sizeof(XINPUT_NAME));
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plat_joystick_state[c].nr_axes = 8;
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/* analog stick */
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memcpy(plat_joystick_state[c].axis[0].name, XINPUT_NAME_LX, sizeof(XINPUT_NAME_LX));
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plat_joystick_state[c].axis[0].id = 0; /* X axis */
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memcpy(plat_joystick_state[c].axis[1].name, XINPUT_NAME_LY, sizeof(XINPUT_NAME_LY));
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plat_joystick_state[c].axis[1].id = 1; /* Y axis */
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memcpy(plat_joystick_state[c].axis[2].name, XINPUT_NAME_RX, sizeof(XINPUT_NAME_RX));
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plat_joystick_state[c].axis[2].id = 3; /* RX axis */
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memcpy(plat_joystick_state[c].axis[3].name, XINPUT_NAME_RY, sizeof(XINPUT_NAME_RY));
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plat_joystick_state[c].axis[3].id = 4; /* RY axis */
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/* d-pad, assigned to Z and RZ */
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memcpy(plat_joystick_state[c].axis[4].name, XINPUT_NAME_DPAD_X, sizeof(XINPUT_NAME_DPAD_X));
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plat_joystick_state[c].axis[4].id = 2;
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memcpy(plat_joystick_state[c].axis[5].name, XINPUT_NAME_DPAD_Y, sizeof(XINPUT_NAME_DPAD_Y));
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plat_joystick_state[c].axis[5].id = 5;
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/* Analog trigger */
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memcpy(plat_joystick_state[c].axis[6].name, XINPUT_NAME_LT, sizeof(XINPUT_NAME_LT));
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plat_joystick_state[c].axis[6].id = 6;
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memcpy(plat_joystick_state[c].axis[7].name, XINPUT_NAME_RT, sizeof(XINPUT_NAME_RT));
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plat_joystick_state[c].axis[7].id = 7;
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plat_joystick_state[c].nr_buttons = 12;
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memcpy(plat_joystick_state[c].button[0].name, XINPUT_NAME_A, sizeof(XINPUT_NAME_A));
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memcpy(plat_joystick_state[c].button[1].name, XINPUT_NAME_B, sizeof(XINPUT_NAME_B));
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memcpy(plat_joystick_state[c].button[2].name, XINPUT_NAME_X, sizeof(XINPUT_NAME_X));
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memcpy(plat_joystick_state[c].button[3].name, XINPUT_NAME_Y, sizeof(XINPUT_NAME_Y));
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memcpy(plat_joystick_state[c].button[4].name, XINPUT_NAME_LB, sizeof(XINPUT_NAME_LB));
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memcpy(plat_joystick_state[c].button[5].name, XINPUT_NAME_RB, sizeof(XINPUT_NAME_RB));
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memcpy(plat_joystick_state[c].button[6].name, XINPUT_NAME_LT, sizeof(XINPUT_NAME_LT));
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memcpy(plat_joystick_state[c].button[7].name, XINPUT_NAME_RT, sizeof(XINPUT_NAME_RT));
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memcpy(plat_joystick_state[c].button[8].name, XINPUT_NAME_BACK, sizeof(XINPUT_NAME_BACK));
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memcpy(plat_joystick_state[c].button[9].name, XINPUT_NAME_START, sizeof(XINPUT_NAME_START));
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memcpy(plat_joystick_state[c].button[10].name, XINPUT_NAME_LS, sizeof(XINPUT_NAME_RS));
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memcpy(plat_joystick_state[c].button[11].name, XINPUT_NAME_RS, sizeof(XINPUT_NAME_LS));
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plat_joystick_state[c].nr_povs = 0;
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joysticks_present++;
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}
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joystick_log("joystick_init: joysticks_present=%i\n", joysticks_present);
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}
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void joystick_close()
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{
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}
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void joystick_poll(void)
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{
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for (int c=0; c<joysticks_present; c++) {
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int value = XInputGetState(c, &controllers[c]);
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if (value != ERROR_SUCCESS) continue;
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plat_joystick_state[c].a[0] = controllers[c].Gamepad.sThumbLX;
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plat_joystick_state[c].a[1] = controllers[c].Gamepad.sThumbLY;
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plat_joystick_state[c].a[3] = controllers[c].Gamepad.sThumbRX;
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plat_joystick_state[c].a[4] = controllers[c].Gamepad.sThumbRY;
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plat_joystick_state[c].a[6] = controllers[c].Gamepad.bLeftTrigger << 7;
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plat_joystick_state[c].a[7] = controllers[c].Gamepad.bLeftTrigger << 7;
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plat_joystick_state[c].b[0] = (controllers[c].Gamepad.wButtons & XINPUT_GAMEPAD_A) ? 128 : 0;
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plat_joystick_state[c].b[1] = (controllers[c].Gamepad.wButtons & XINPUT_GAMEPAD_B) ? 128 : 0;
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plat_joystick_state[c].b[2] = (controllers[c].Gamepad.wButtons & XINPUT_GAMEPAD_X) ? 128 : 0;
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plat_joystick_state[c].b[3] = (controllers[c].Gamepad.wButtons & XINPUT_GAMEPAD_Y) ? 128 : 0;
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plat_joystick_state[c].b[4] = (controllers[c].Gamepad.wButtons & XINPUT_GAMEPAD_LEFT_SHOULDER) ? 128 : 0;
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plat_joystick_state[c].b[5] = (controllers[c].Gamepad.wButtons & XINPUT_GAMEPAD_RIGHT_SHOULDER) ? 128 : 0;
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plat_joystick_state[c].b[6] = (controllers[c].Gamepad.bLeftTrigger > 127) ? 128 : 0;
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plat_joystick_state[c].b[7] = (controllers[c].Gamepad.bRightTrigger > 127) ? 128 : 0;
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plat_joystick_state[c].b[8] = (controllers[c].Gamepad.wButtons & XINPUT_GAMEPAD_BACK) ? 128 : 0;
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plat_joystick_state[c].b[9] = (controllers[c].Gamepad.wButtons & XINPUT_GAMEPAD_START) ? 128 : 0;
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plat_joystick_state[c].b[10] = (controllers[c].Gamepad.wButtons & XINPUT_GAMEPAD_LEFT_THUMB) ? 128 : 0;
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plat_joystick_state[c].b[11] = (controllers[c].Gamepad.wButtons & XINPUT_GAMEPAD_RIGHT_THUMB) ? 128 : 0;
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int dpad_x = 0, dpad_y = 0;
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if (controllers[c].Gamepad.wButtons & XINPUT_GAMEPAD_DPAD_UP)
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dpad_y+=32767;
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if (controllers[c].Gamepad.wButtons & XINPUT_GAMEPAD_DPAD_DOWN)
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dpad_y-=32767;
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if (controllers[c].Gamepad.wButtons & XINPUT_GAMEPAD_DPAD_RIGHT)
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dpad_x+=32767;
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if (controllers[c].Gamepad.wButtons & XINPUT_GAMEPAD_DPAD_LEFT)
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dpad_x-=32767;
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plat_joystick_state[c].a[2] = dpad_x;
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plat_joystick_state[c].a[5] = dpad_y;
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}
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}
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static int joystick_get_axis(int joystick_nr, int mapping)
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{
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if (mapping & POV_X)
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{
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int pov = plat_joystick_state[joystick_nr].p[mapping & 3];
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if (LOWORD(pov) == 0xFFFF)
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return 0;
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else
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return sin((2*M_PI * (double)pov) / 36000.0) * 32767;
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}
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else if (mapping & POV_Y)
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{
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int pov = plat_joystick_state[joystick_nr].p[mapping & 3];
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if (LOWORD(pov) == 0xFFFF)
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return 0;
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else
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return -cos((2*M_PI * (double)pov) / 36000.0) * 32767;
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}
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else
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return plat_joystick_state[joystick_nr].a[plat_joystick_state[joystick_nr].axis[mapping].id];
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}
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void joystick_process(void)
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{
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int c, d;
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if (joystick_type == 7) return;
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joystick_poll();
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for (c = 0; c < joystick_get_max_joysticks(joystick_type); c++)
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{
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if (joystick_state[c].plat_joystick_nr)
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{
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int joystick_nr = joystick_state[c].plat_joystick_nr - 1;
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for (d = 0; d < joystick_get_axis_count(joystick_type); d++)
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joystick_state[c].axis[d] = joystick_get_axis(joystick_nr, joystick_state[c].axis_mapping[d]);
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for (d = 0; d < joystick_get_button_count(joystick_type); d++)
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joystick_state[c].button[d] = plat_joystick_state[joystick_nr].b[joystick_state[c].button_mapping[d]];
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for (d = 0; d < joystick_get_pov_count(joystick_type); d++)
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{
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int x, y;
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double angle, magnitude;
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x = joystick_get_axis(joystick_nr, joystick_state[c].pov_mapping[d][0]);
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y = joystick_get_axis(joystick_nr, joystick_state[c].pov_mapping[d][1]);
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angle = (atan2((double)y, (double)x) * 360.0) / (2*M_PI);
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magnitude = sqrt((double)x*(double)x + (double)y*(double)y);
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if (magnitude < 16384)
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joystick_state[c].pov[d] = -1;
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else
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joystick_state[c].pov[d] = ((int)angle + 90 + 360) % 360;
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}
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}
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else
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{
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for (d = 0; d < joystick_get_axis_count(joystick_type); d++)
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joystick_state[c].axis[d] = 0;
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for (d = 0; d < joystick_get_button_count(joystick_type); d++)
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joystick_state[c].button[d] = 0;
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for (d = 0; d < joystick_get_pov_count(joystick_type); d++)
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joystick_state[c].pov[d] = -1;
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}
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}
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}
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