343 lines
14 KiB
C++
343 lines
14 KiB
C++
/*
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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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* Joystick interface to host device.
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*
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*
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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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*
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* Copyright 2008-2019 Sarah Walker.
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* Copyright 2016-2019 Miran Grca.
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*/
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#define DIRECTINPUT_VERSION 0x0800
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#include <dinput.h>
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#define _USE_MATH_DEFINES
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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/86box.h>
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#include <86box/device.h>
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#include <86box/plat.h>
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#include <86box/gameport.h>
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#include <86box/win.h>
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#define DIDEVTYPE_JOYSTICK 4
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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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static LPDIRECTINPUT8 lpdi;
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static LPDIRECTINPUTDEVICE8 lpdi_joystick[2] = {NULL, NULL};
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static GUID joystick_guids[MAX_JOYSTICKS];
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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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static BOOL CALLBACK joystick_enum_callback(LPCDIDEVICEINSTANCE lpddi, UNUSED(LPVOID data))
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{
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if (joysticks_present >= MAX_JOYSTICKS)
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return DIENUM_STOP;
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joystick_log("joystick_enum_callback : found joystick %i : %s\n", joysticks_present, lpddi->tszProductName);
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joystick_guids[joysticks_present++] = lpddi->guidInstance;
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if (joysticks_present >= MAX_JOYSTICKS)
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return DIENUM_STOP;
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return DIENUM_CONTINUE;
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}
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BOOL CALLBACK DIEnumDeviceObjectsCallback(
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LPCDIDEVICEOBJECTINSTANCE lpddoi,
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LPVOID pvRef)
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{
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plat_joystick_t *state = (plat_joystick_t *)pvRef;
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if (lpddoi->guidType == GUID_XAxis || lpddoi->guidType == GUID_YAxis || lpddoi->guidType == GUID_ZAxis ||
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lpddoi->guidType == GUID_RxAxis || lpddoi->guidType == GUID_RyAxis || lpddoi->guidType == GUID_RzAxis)
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{
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if (state->nr_axes < 8)
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{memcpy(state->axis[state->nr_axes].name, lpddoi->tszName, strlen(lpddoi->tszName) + 1);
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joystick_log("Axis %i : %s %x %x\n", state->nr_axes, state->axis[state->nr_axes].name, lpddoi->dwOfs, lpddoi->dwType);
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if (lpddoi->guidType == GUID_XAxis)
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state->axis[state->nr_axes].id = 0;
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else if (lpddoi->guidType == GUID_YAxis)
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state->axis[state->nr_axes].id = 1;
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else if (lpddoi->guidType == GUID_ZAxis)
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state->axis[state->nr_axes].id = 2;
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else if (lpddoi->guidType == GUID_RxAxis)
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state->axis[state->nr_axes].id = 3;
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else if (lpddoi->guidType == GUID_RyAxis)
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state->axis[state->nr_axes].id = 4;
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else if (lpddoi->guidType == GUID_RzAxis)
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state->axis[state->nr_axes].id = 5;
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state->nr_axes++;
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}
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}
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else if (lpddoi->guidType == GUID_Button)
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{
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if (state->nr_buttons < 32)
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{
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memcpy(state->button[state->nr_buttons].name, lpddoi->tszName, strlen(lpddoi->tszName) + 1);
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joystick_log("Button %i : %s %x %x\n", state->nr_buttons, state->button[state->nr_buttons].name, lpddoi->dwOfs, lpddoi->dwType);
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state->nr_buttons++;
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}
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}
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else if (lpddoi->guidType == GUID_POV)
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{
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if (state->nr_povs < 4)
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{
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memcpy(state->pov[state->nr_povs].name, lpddoi->tszName, strlen(lpddoi->tszName) + 1);
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joystick_log("POV %i : %s %x %x\n", state->nr_povs, state->pov[state->nr_povs].name, lpddoi->dwOfs, lpddoi->dwType);
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state->nr_povs++;
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}
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}
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else if (lpddoi->guidType == GUID_Slider)
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{
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if (state->nr_sliders < 2)
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{
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memcpy(state->slider[state->nr_sliders].name, lpddoi->tszName, strlen(lpddoi->tszName) + 1);
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state->slider[state->nr_sliders].id = state->nr_sliders | SLIDER;
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joystick_log("Slider %i : %s %x %x\n", state->nr_sliders, state->slider[state->nr_sliders].name, lpddoi->dwOfs, lpddoi->dwType);
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state->nr_sliders++;
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}
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}
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return DIENUM_CONTINUE;
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}
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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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if (FAILED(DirectInput8Create(hinstance, DIRECTINPUT_VERSION, IID_IDirectInput8A, (void **) &lpdi, NULL)))
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fatal("joystick_init : DirectInputCreate failed\n");
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if (FAILED(lpdi->EnumDevices(DIDEVTYPE_JOYSTICK, joystick_enum_callback, NULL, DIEDFL_ATTACHEDONLY)))
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fatal("joystick_init : EnumDevices failed\n");
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joystick_log("joystick_init: joysticks_present=%i\n", joysticks_present);
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for (c = 0; c < joysticks_present; c++)
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{
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LPDIRECTINPUTDEVICE8 lpdi_joystick_temp = NULL;
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DIPROPRANGE joy_axis_range;
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DIDEVICEINSTANCE device_instance;
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DIDEVCAPS devcaps;
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if (FAILED(lpdi->CreateDevice(joystick_guids[c], &lpdi_joystick_temp, NULL)))
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fatal("joystick_init : CreateDevice failed\n");
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if (FAILED(lpdi_joystick_temp->QueryInterface(IID_IDirectInputDevice8, (void **)&lpdi_joystick[c])))
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fatal("joystick_init : CreateDevice failed\n");
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lpdi_joystick_temp->Release();
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memset(&device_instance, 0, sizeof(device_instance));
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device_instance.dwSize = sizeof(device_instance);
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if (FAILED(lpdi_joystick[c]->GetDeviceInfo(&device_instance)))
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fatal("joystick_init : GetDeviceInfo failed\n");
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joystick_log("Joystick %i :\n", c);
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joystick_log(" tszInstanceName = %s\n", device_instance.tszInstanceName);
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joystick_log(" tszProductName = %s\n", device_instance.tszProductName);
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memcpy(plat_joystick_state[c].name, device_instance.tszInstanceName, strlen(device_instance.tszInstanceName) + 1);
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memset(&devcaps, 0, sizeof(devcaps));
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devcaps.dwSize = sizeof(devcaps);
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if (FAILED(lpdi_joystick[c]->GetCapabilities(&devcaps)))
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fatal("joystick_init : GetCapabilities failed\n");
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joystick_log(" Axes = %i\n", devcaps.dwAxes);
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joystick_log(" Buttons = %i\n", devcaps.dwButtons);
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joystick_log(" POVs = %i\n", devcaps.dwPOVs);
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lpdi_joystick[c]->EnumObjects(DIEnumDeviceObjectsCallback, &plat_joystick_state[c], DIDFT_ALL);
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if (FAILED(lpdi_joystick[c]->SetCooperativeLevel(hwndMain, DISCL_BACKGROUND | DISCL_NONEXCLUSIVE)))
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fatal("joystick_init : SetCooperativeLevel failed\n");
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if (FAILED(lpdi_joystick[c]->SetDataFormat(&c_dfDIJoystick)))
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fatal("joystick_init : SetDataFormat failed\n");
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joy_axis_range.lMin = -32768;
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joy_axis_range.lMax = 32767;
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joy_axis_range.diph.dwSize = sizeof(DIPROPRANGE);
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joy_axis_range.diph.dwHeaderSize = sizeof(DIPROPHEADER);
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joy_axis_range.diph.dwHow = DIPH_BYOFFSET;
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joy_axis_range.diph.dwObj = DIJOFS_X;
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lpdi_joystick[c]->SetProperty(DIPROP_RANGE, &joy_axis_range.diph);
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joy_axis_range.diph.dwObj = DIJOFS_Y;
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lpdi_joystick[c]->SetProperty(DIPROP_RANGE, &joy_axis_range.diph);
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joy_axis_range.diph.dwObj = DIJOFS_Z;
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lpdi_joystick[c]->SetProperty(DIPROP_RANGE, &joy_axis_range.diph);
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joy_axis_range.diph.dwObj = DIJOFS_RX;
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lpdi_joystick[c]->SetProperty(DIPROP_RANGE, &joy_axis_range.diph);
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joy_axis_range.diph.dwObj = DIJOFS_RY;
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lpdi_joystick[c]->SetProperty(DIPROP_RANGE, &joy_axis_range.diph);
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joy_axis_range.diph.dwObj = DIJOFS_RZ;
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lpdi_joystick[c]->SetProperty(DIPROP_RANGE, &joy_axis_range.diph);
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joy_axis_range.diph.dwObj = DIJOFS_SLIDER(0);
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lpdi_joystick[c]->SetProperty(DIPROP_RANGE, &joy_axis_range.diph);
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joy_axis_range.diph.dwObj = DIJOFS_SLIDER(1);
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lpdi_joystick[c]->SetProperty(DIPROP_RANGE, &joy_axis_range.diph);
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if (FAILED(lpdi_joystick[c]->Acquire()))
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fatal("joystick_init : Acquire failed\n");
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}
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}
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void joystick_close()
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{
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if (lpdi_joystick[1])
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{
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lpdi_joystick[1]->Release();
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lpdi_joystick[1] = NULL;
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}
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if (lpdi_joystick[0])
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{
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lpdi_joystick[0]->Release();
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lpdi_joystick[0] = NULL;
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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 if (mapping & SLIDER)
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{
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return plat_joystick_state[joystick_nr].s[mapping & 3];
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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) return;
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for (c = 0; c < joysticks_present; c++)
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{
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DIJOYSTATE joystate;
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int b;
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if (FAILED(lpdi_joystick[c]->Poll()))
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{
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lpdi_joystick[c]->Acquire();
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lpdi_joystick[c]->Poll();
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}
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if (FAILED(lpdi_joystick[c]->GetDeviceState(sizeof(DIJOYSTATE), (LPVOID)&joystate)))
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{
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lpdi_joystick[c]->Acquire();
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lpdi_joystick[c]->Poll();
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lpdi_joystick[c]->GetDeviceState(sizeof(DIJOYSTATE), (LPVOID)&joystate);
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}
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plat_joystick_state[c].a[0] = joystate.lX;
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plat_joystick_state[c].a[1] = joystate.lY;
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plat_joystick_state[c].a[2] = joystate.lZ;
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plat_joystick_state[c].a[3] = joystate.lRx;
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plat_joystick_state[c].a[4] = joystate.lRy;
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plat_joystick_state[c].a[5] = joystate.lRz;
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plat_joystick_state[c].s[0] = joystate.rglSlider[0];
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plat_joystick_state[c].s[1] = joystate.rglSlider[1];
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for (b = 0; b < 16; b++)
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plat_joystick_state[c].b[b] = joystate.rgbButtons[b] & 0x80;
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for (b = 0; b < 4; b++)
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plat_joystick_state[c].p[b] = joystate.rgdwPOV[b];
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// joystick_log("joystick %i - x=%i y=%i b[0]=%i b[1]=%i %i\n", c, joystick_state[c].x, joystick_state[c].y, joystick_state[c].b[0], joystick_state[c].b[1], joysticks_present);
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}
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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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void win_joystick_handle(PRAWINPUT raw) {}
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