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396 lines (335 loc) · 12.4 KB
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/**
* PS Move API - An interface for the PS Move Motion Controller
* Copyright (c) 2016 Thomas Perl <m@thp.io>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
**/
#include "psmoveapi.h"
#include "psmove_port.h"
#include "psmove_private.h"
#include "daemon/moved_monitor.h"
#include <vector>
#include <map>
#include <string>
#include <stdlib.h>
#include <string.h>
namespace {
struct ControllerGlue {
ControllerGlue(int index, const std::string &serial);
~ControllerGlue();
void add_handle(PSMove *handle);
void update_connection_flags();
ControllerGlue(const ControllerGlue &other) = delete;
Controller &operator=(const ControllerGlue &other) = delete;
PSMove *read_move() { return move_bluetooth; }
PSMove *write_move() { return move_usb ? move_usb : move_bluetooth; }
PSMove *move_bluetooth;
PSMove *move_usb;
std::string serial;
struct Controller controller;
bool connected;
bool api_connected;
};
struct PSMoveAPI {
PSMoveAPI(EventReceiver *receiver, void *user_data);
~PSMoveAPI();
void update();
static void on_monitor_event(enum MonitorEvent event, enum MonitorEventDeviceType device_type, const char *path, const wchar_t *serial, unsigned short pid, void *user_data);
EventReceiver *receiver;
void *user_data;
std::vector<ControllerGlue *> controllers;
moved_monitor *monitor;
};
PSMoveAPI *
g_psmove_api = nullptr;
}; // end anonymous namespace
ControllerGlue::ControllerGlue(int index, const std::string &serial)
: move_bluetooth(nullptr)
, move_usb(nullptr)
, serial(serial)
, controller()
, connected(false)
, api_connected(false)
{
memset(&controller, 0, sizeof(controller));
controller.index = index;
controller.serial = this->serial.c_str();
}
void
ControllerGlue::add_handle(PSMove *handle)
{
if (psmove_connection_type(handle) == Conn_USB) {
if (move_usb != nullptr) {
PSMOVE_WARNING("USB handle already exists for this controller");
psmove_disconnect(move_usb);
}
move_usb = handle;
} else {
if (move_bluetooth != nullptr) {
PSMOVE_WARNING("Bluetooth handle already exists for this controller -- leaking");
psmove_disconnect(move_bluetooth);
}
move_bluetooth = handle;
}
}
void
ControllerGlue::update_connection_flags()
{
controller.usb = (move_usb != nullptr);
controller.bluetooth = (move_bluetooth != nullptr);
if (controller.usb && !controller.bluetooth) {
controller.battery = Batt_CHARGING;
}
connected = (controller.usb || controller.bluetooth);
}
ControllerGlue::~ControllerGlue()
{
if (move_bluetooth != nullptr) {
psmove_disconnect(move_bluetooth);
}
if (move_usb != nullptr) {
psmove_disconnect(move_usb);
}
}
PSMoveAPI::PSMoveAPI(EventReceiver *receiver, void *user_data)
: receiver(receiver)
, user_data(user_data)
, controllers()
, monitor(nullptr)
{
std::map<std::string, std::vector<PSMove *>> moves;
int n = psmove_count_connected();
for (int i=0; i<n; i++) {
PSMove *move = psmove_connect_by_id(i);
if (!move) {
PSMOVE_WARNING("Failed to connect to controller #%d", i);
continue;
}
char *tmp = psmove_get_serial(move);
if (!tmp) {
PSMOVE_WARNING("Failed to get serial for controller #%d", i);
continue;
}
std::string serial(tmp);
psmove_free_mem(tmp);
moves[serial].emplace_back(move);
}
int i = 0;
for (auto &kv: moves) {
auto c = new ControllerGlue(i++, kv.first);
for (auto &handle: kv.second) {
c->add_handle(handle);
}
controllers.emplace_back(c);
}
#ifndef _WIN32
monitor = moved_monitor_new(PSMoveAPI::on_monitor_event, this);
#endif
}
PSMoveAPI::~PSMoveAPI()
{
#ifndef _WIN32
moved_monitor_free(monitor);
#endif
for (auto &c: controllers) {
if (c->api_connected) {
if (receiver->disconnect != nullptr) {
// Send disconnect event
receiver->disconnect(&c->controller, user_data);
}
c->api_connected = false;
}
delete c;
}
}
void
PSMoveAPI::update()
{
#ifndef _WIN32
if (moved_monitor_get_fd(monitor) == -1) {
moved_monitor_poll(monitor);
} else {
struct pollfd pfd;
pfd.fd = moved_monitor_get_fd(monitor);
pfd.events = POLLIN;
while (poll(&pfd, 1, 0) > 0) {
moved_monitor_poll(monitor);
}
}
#endif
for (auto &c: controllers) {
c->update_connection_flags();
if (c->connected && !c->api_connected) {
if (receiver->connect != nullptr) {
// Send initial connect event
receiver->connect(&c->controller, user_data);
}
c->api_connected = c->connected;
}
if (!c->connected && c->api_connected) {
if (receiver->disconnect != nullptr) {
// Send disconnect event
receiver->disconnect(&c->controller, user_data);
}
c->api_connected = c->connected;
}
if (!c->connected) {
// Done with this controller (TODO: Can we check reconnect?)
continue;
}
auto read_move = c->read_move();
if (read_move == nullptr) {
// We don't have a handle that supports reading (USB-only connection);
// we call update exactly once (no new data will be reported), so that
// the update method can change the LED and rumble values
if (receiver->update != nullptr) {
receiver->update(&c->controller, user_data);
}
} else {
while (psmove_poll(read_move)) {
if (receiver->update != nullptr) {
int previous = c->controller.buttons;
c->controller.buttons = psmove_get_buttons(read_move);
c->controller.pressed = c->controller.buttons & ~previous;
c->controller.released = previous & ~c->controller.buttons;
c->controller.trigger = float(psmove_get_trigger(read_move)) / 255.f;
psmove_get_accelerometer_frame(read_move, Frame_SecondHalf,
&c->controller.accelerometer.x,
&c->controller.accelerometer.y,
&c->controller.accelerometer.z);
psmove_get_gyroscope_frame(read_move, Frame_SecondHalf,
&c->controller.gyroscope.x,
&c->controller.gyroscope.y,
&c->controller.gyroscope.z);
psmove_get_magnetometer_vector(read_move,
&c->controller.magnetometer.x,
&c->controller.magnetometer.y,
&c->controller.magnetometer.z);
c->controller.battery = psmove_get_battery(read_move);
receiver->update(&c->controller, user_data);
}
}
}
auto write_move = c->write_move();
if (write_move != nullptr) {
psmove_set_leds(write_move,
uint32_t(255 * c->controller.color.r),
uint32_t(255 * c->controller.color.g),
uint32_t(255 * c->controller.color.b));
psmove_set_rumble(write_move, uint32_t(255 * c->controller.rumble));
psmove_update_leds(write_move);
}
}
}
void
PSMoveAPI::on_monitor_event(enum MonitorEvent event, enum MonitorEventDeviceType device_type, const char *path, const wchar_t *serial, unsigned short pid, void *user_data)
{
auto self = static_cast<PSMoveAPI *>(user_data);
switch (event) {
case EVENT_DEVICE_ADDED:
{
PSMOVE_DEBUG("on_monitor_event(event=EVENT_DEVICE_ADDED, device_type=0x%08x, path=\"%s\", serial=%p)",
device_type, path, serial);
for (auto &c: self->controllers) {
if ((c->move_bluetooth != nullptr && strcmp(_psmove_get_device_path(c->move_bluetooth), path) == 0) ||
(c->move_usb != nullptr && strcmp(_psmove_get_device_path(c->move_usb), path) == 0)) {
PSMOVE_WARNING("This controller is already active!");
return;
}
}
PSMove *move = psmove_connect_internal(serial, path, -1, pid);
if (move == nullptr) {
PSMOVE_ERROR("Cannot open move for retrieving serial!");
return;
}
char *serial_number = psmove_get_serial(move);
bool found = false;
for (auto &c: self->controllers) {
if (strcmp(c->serial.c_str(), serial_number) == 0) {
c->add_handle(move);
found = true;
break;
}
}
if (!found) {
auto c = new ControllerGlue(self->controllers.size(), std::string(serial_number));
c->add_handle(move);
self->controllers.emplace_back(c);
}
psmove_free_mem(serial_number);
}
break;
case EVENT_DEVICE_REMOVED:
{
PSMOVE_DEBUG("on_monitor_event(event=EVENT_DEVICE_REMOVED, device_type=0x%08x, path=\"%s\", serial=%p)",
device_type, path, serial);
bool found = false;
for (auto &c: self->controllers) {
if (c->move_bluetooth != nullptr) {
const char *devpath = _psmove_get_device_path(c->move_bluetooth);
if (devpath != nullptr && strcmp(devpath, path) == 0) {
psmove_disconnect(c->move_bluetooth), c->move_bluetooth = nullptr;
found = true;
break;
}
}
if (c->move_usb != nullptr) {
const char *devpath = _psmove_get_device_path(c->move_usb);
if (devpath != nullptr && strcmp(devpath, path) == 0) {
psmove_disconnect(c->move_usb), c->move_usb = nullptr;
found = true;
break;
}
}
}
if (!found) {
PSMOVE_ERROR("Did not find device for removal");
}
}
break;
default:
PSMOVE_ERROR("Invalid event");
break;
}
}
void
psmoveapi_init(EventReceiver *receiver, void *user_data)
{
if (g_psmove_api == nullptr) {
g_psmove_api = new PSMoveAPI(receiver, user_data);
}
}
void
psmoveapi_update()
{
if (g_psmove_api != nullptr) {
g_psmove_api->update();
}
}
void
psmoveapi_quit()
{
delete g_psmove_api;
g_psmove_api = nullptr;
}
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