624 lines
18 KiB
C++
624 lines
18 KiB
C++
/*************************************************************************/
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/* joypad_osx.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* http://www.godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "joypad_osx.h"
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#include <machine/endian.h>
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#define GODOT_JOY_LOOP_RUN_MODE CFSTR("GodotJoypad")
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static JoypadOSX* self = NULL;
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joypad::joypad() {
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device_ref = NULL;
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ff_device = NULL;
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ff_axes = NULL;
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ff_directions = NULL;
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ffservice = 0;
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ff_timestamp = 0;
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id = 0;
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ff_constant_force.lMagnitude = 10000;
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ff_effect.dwDuration = 0;
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ff_effect.dwSamplePeriod = 0;
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ff_effect.dwGain = 10000;
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ff_effect.dwFlags = FFEFF_OBJECTOFFSETS;
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ff_effect.dwTriggerButton = FFEB_NOTRIGGER;
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ff_effect.dwStartDelay = 0;
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ff_effect.dwTriggerRepeatInterval = 0;
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ff_effect.lpEnvelope = NULL;
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ff_effect.cbTypeSpecificParams = sizeof(FFCONSTANTFORCE);
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ff_effect.lpvTypeSpecificParams = &ff_constant_force;
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ff_effect.dwSize = sizeof(ff_effect);
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}
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void joypad::free() {
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if (device_ref) {
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IOHIDDeviceUnscheduleFromRunLoop(device_ref, CFRunLoopGetCurrent(), GODOT_JOY_LOOP_RUN_MODE);
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}
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if (ff_device) {
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FFDeviceReleaseEffect(ff_device, ff_object);
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FFReleaseDevice(ff_device);
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memfree(ff_axes);
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memfree(ff_directions);
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}
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}
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bool joypad::has_element(IOHIDElementCookie p_cookie, Vector<rec_element> *p_list) const {
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for (int i = 0; i < p_list->size(); i++) {
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if (p_cookie == p_list->get(i).cookie) {
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return true;
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}
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}
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return false;
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}
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int joypad::get_hid_element_state(rec_element *p_element) const {
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int value = 0;
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if (p_element && p_element->ref) {
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IOHIDValueRef valueRef;
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if (IOHIDDeviceGetValue(device_ref, p_element->ref, &valueRef) == kIOReturnSuccess) {
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value = (SInt32) IOHIDValueGetIntegerValue(valueRef);
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/* record min and max for auto calibration */
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if (value < p_element->min) {
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p_element->min = value;
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}
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if (value > p_element->max) {
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p_element->max = value;
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}
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}
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}
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return value;
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}
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void joypad::add_hid_element(IOHIDElementRef p_element) {
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const CFTypeID elementTypeID = p_element ? CFGetTypeID(p_element) : 0;
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if (p_element && (elementTypeID == IOHIDElementGetTypeID())) {
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const IOHIDElementCookie cookie = IOHIDElementGetCookie(p_element);
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const uint32_t usagePage = IOHIDElementGetUsagePage(p_element);
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const uint32_t usage = IOHIDElementGetUsage(p_element);
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Vector<rec_element> *list = NULL;
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switch (IOHIDElementGetType(p_element)) {
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case kIOHIDElementTypeInput_Misc:
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case kIOHIDElementTypeInput_Button:
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case kIOHIDElementTypeInput_Axis: {
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switch (usagePage) {
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case kHIDPage_GenericDesktop:
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switch (usage) {
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case kHIDUsage_GD_X:
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case kHIDUsage_GD_Y:
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case kHIDUsage_GD_Z:
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case kHIDUsage_GD_Rx:
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case kHIDUsage_GD_Ry:
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case kHIDUsage_GD_Rz:
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case kHIDUsage_GD_Slider:
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case kHIDUsage_GD_Dial:
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case kHIDUsage_GD_Wheel:
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if (!has_element(cookie, &axis_elements)) {
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list = &axis_elements;
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}
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break;
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case kHIDUsage_GD_Hatswitch:
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if (!has_element(cookie, &hat_elements)) {
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list = &hat_elements;
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}
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break;
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case kHIDUsage_GD_DPadUp:
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case kHIDUsage_GD_DPadDown:
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case kHIDUsage_GD_DPadRight:
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case kHIDUsage_GD_DPadLeft:
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case kHIDUsage_GD_Start:
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case kHIDUsage_GD_Select:
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if (!has_element(cookie, &button_elements)) {
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list = &button_elements;
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}
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break;
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}
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break;
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case kHIDPage_Simulation:
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switch (usage) {
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case kHIDUsage_Sim_Rudder:
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case kHIDUsage_Sim_Throttle:
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if (!has_element(cookie, &axis_elements)) {
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list = &axis_elements;
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}
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break;
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default:
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break;
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}
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break;
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case kHIDPage_Button:
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case kHIDPage_Consumer:
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if (!has_element(cookie, &button_elements)) {
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list = &button_elements;
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}
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break;
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default:
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break;
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}
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}
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break;
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case kIOHIDElementTypeCollection: {
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CFArrayRef array = IOHIDElementGetChildren(p_element);
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if (array) {
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add_hid_elements(array);
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}
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}
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break;
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default:
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break;
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}
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if (list) { /* add to list */
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rec_element element;
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element.ref = p_element;
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element.usage = usage;
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element.min = (SInt32) IOHIDElementGetLogicalMin(p_element);
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element.max = (SInt32) IOHIDElementGetLogicalMax(p_element);
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element.cookie = IOHIDElementGetCookie(p_element);
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list->push_back(element);
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list->sort_custom<rec_element::Comparator>();
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}
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}
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}
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static void hid_element_added(const void *p_value, void *p_parameter) {
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joypad *joy = (joypad*) p_parameter;
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joy->add_hid_element((IOHIDElementRef) p_value);
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}
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void joypad::add_hid_elements(CFArrayRef p_array) {
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CFRange range = { 0, CFArrayGetCount(p_array) };
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CFArrayApplyFunction(p_array, range,hid_element_added,this);
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}
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static void joypad_removed_callback(void *ctx, IOReturn result, void *sender) {
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int id = (intptr_t) ctx;
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self->_device_removed(id);
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}
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static void joypad_added_callback(void *ctx, IOReturn res, void *sender, IOHIDDeviceRef ioHIDDeviceObject) {
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self->_device_added(res, ioHIDDeviceObject);
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}
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static bool is_joypad(IOHIDDeviceRef p_device_ref) {
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CFTypeRef refCF = NULL;
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int usage_page = 0;
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int usage = 0;
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refCF = IOHIDDeviceGetProperty(p_device_ref, CFSTR(kIOHIDPrimaryUsagePageKey));
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if (refCF) {
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CFNumberGetValue((CFNumberRef) refCF, kCFNumberSInt32Type, &usage_page);
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}
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if (usage_page != kHIDPage_GenericDesktop) {
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return false;
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}
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refCF = IOHIDDeviceGetProperty(p_device_ref, CFSTR(kIOHIDPrimaryUsageKey));
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if (refCF) {
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CFNumberGetValue((CFNumberRef) refCF, kCFNumberSInt32Type, &usage);
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}
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if ((usage != kHIDUsage_GD_Joypad &&
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usage != kHIDUsage_GD_GamePad &&
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usage != kHIDUsage_GD_MultiAxisController)) {
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return false;
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}
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return true;
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}
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void JoypadOSX::_device_added(IOReturn p_res, IOHIDDeviceRef p_device) {
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if (p_res != kIOReturnSuccess || have_device(p_device)) {
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return;
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}
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joypad new_joypad;
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if (is_joypad(p_device)) {
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configure_joypad(p_device, &new_joypad);
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#if MAC_OS_X_VERSION_MIN_REQUIRED < 1060
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if (IOHIDDeviceGetService != NULL) {
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#endif
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const io_service_t ioservice = IOHIDDeviceGetService(p_device);
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if ((ioservice) && (FFIsForceFeedback(ioservice) == FF_OK) && new_joypad.config_force_feedback(ioservice)) {
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new_joypad.ffservice = ioservice;
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}
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#if MAC_OS_X_VERSION_MIN_REQUIRED < 1060
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}
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#endif
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device_list.push_back(new_joypad);
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}
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IOHIDDeviceRegisterRemovalCallback(p_device, joypad_removed_callback, (void*) (intptr_t) new_joypad.id);
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IOHIDDeviceScheduleWithRunLoop(p_device, CFRunLoopGetCurrent(), GODOT_JOY_LOOP_RUN_MODE);
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}
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void JoypadOSX::_device_removed(int p_id) {
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int device = get_joy_index(p_id);
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ERR_FAIL_COND(device == -1);
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input->joy_connection_changed(p_id, false, "");
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device_list[device].free();
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device_list.remove(device);
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attached_devices[p_id] = false;
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}
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static String _hex_str(uint8_t p_byte) {
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static const char* dict = "0123456789abcdef";
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char ret[3];
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ret[2] = 0;
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ret[0] = dict[p_byte>>4];
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ret[1] = dict[p_byte & 0xF];
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return ret;
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}
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bool JoypadOSX::configure_joypad(IOHIDDeviceRef p_device_ref, joypad* p_joy) {
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CFTypeRef refCF = NULL;
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p_joy->device_ref = p_device_ref;
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/* get device name */
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String name;
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char c_name[256];
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refCF = IOHIDDeviceGetProperty(p_device_ref, CFSTR(kIOHIDProductKey));
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if (!refCF) {
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refCF = IOHIDDeviceGetProperty(p_device_ref, CFSTR(kIOHIDManufacturerKey));
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}
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if ((!refCF) || (!CFStringGetCString((CFStringRef) refCF, c_name, sizeof (c_name), kCFStringEncodingUTF8))) {
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name = "Unidentified Joypad";
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}
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name = c_name;
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int id = get_free_joy_id();
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ERR_FAIL_COND_V(id == -1, false);
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p_joy->id = id;
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int vendor = 0;
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refCF = IOHIDDeviceGetProperty(p_device_ref, CFSTR(kIOHIDVendorIDKey));
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if (refCF) {
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CFNumberGetValue((CFNumberRef)refCF, kCFNumberSInt32Type, &vendor);
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}
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int product_id = 0;
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refCF = IOHIDDeviceGetProperty(p_device_ref, CFSTR(kIOHIDProductIDKey));
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if (refCF) {
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CFNumberGetValue((CFNumberRef)refCF, kCFNumberSInt32Type, &product_id);
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}
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if (vendor && product_id) {
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char uid[128];
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sprintf(uid, "%04x%08x%04x%08x", OSSwapHostToBigInt32(vendor),0, OSSwapHostToBigInt32(product_id), 0);
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input->joy_connection_changed(id, true, name, uid);
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}
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else {
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//bluetooth device
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String guid = "05000000";
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for (int i = 0; i < 12; i++) {
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if (i < name.size()) guid += _hex_str(name[i]);
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else guid += "00";
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}
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input->joy_connection_changed(id, true, name, guid);
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}
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CFArrayRef array = NULL;
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array = IOHIDDeviceCopyMatchingElements(p_device_ref, NULL, kIOHIDOptionsTypeNone);
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if (array) {
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p_joy->add_hid_elements(array);
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CFRelease(array);
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}
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return true;
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}
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#define FF_ERR() { if (ret != FF_OK) { FFReleaseDevice(ff_device); return false; } }
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bool joypad::config_force_feedback(io_service_t p_service) {
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HRESULT ret = FFCreateDevice(p_service, &ff_device);
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ERR_FAIL_COND_V(ret != FF_OK, false);
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ret = FFDeviceSendForceFeedbackCommand(ff_device, FFSFFC_RESET);
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FF_ERR();
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ret = FFDeviceSendForceFeedbackCommand(ff_device, FFSFFC_SETACTUATORSON);
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FF_ERR();
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if (check_ff_features()) {
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ret = FFDeviceCreateEffect(ff_device, kFFEffectType_ConstantForce_ID, &ff_effect, &ff_object);
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FF_ERR();
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return true;
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}
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FFReleaseDevice(ff_device);
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return false;
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}
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#undef FF_ERR
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#define TEST_FF(ff) (features.supportedEffects & (ff))
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bool joypad::check_ff_features() {
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FFCAPABILITIES features;
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HRESULT ret = FFDeviceGetForceFeedbackCapabilities(ff_device, &features);
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if (ret == FF_OK && (features.supportedEffects & FFCAP_ET_CONSTANTFORCE)) {
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uint32_t val;
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ret = FFDeviceGetForceFeedbackProperty(ff_device, FFPROP_FFGAIN, &val, sizeof(val));
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if (ret != FF_OK) return false;
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int num_axes = features.numFfAxes;
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ff_axes = (DWORD*) memalloc(sizeof(DWORD) * num_axes);
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ff_directions = (LONG*) memalloc(sizeof(LONG) * num_axes);
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for (int i = 0; i < num_axes; i++) {
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ff_axes[i] = features.ffAxes[i];
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ff_directions[i] = 0;
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}
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ff_effect.cAxes = num_axes;
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ff_effect.rgdwAxes = ff_axes;
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ff_effect.rglDirection = ff_directions;
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return true;
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}
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return false;
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}
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static int process_hat_value(int p_min, int p_max, int p_value) {
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int range = (p_max - p_min + 1);
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int value = p_value - p_min;
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int hat_value = InputDefault::HAT_MASK_CENTER;
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if (range == 4) {
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value *= 2;
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}
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switch (value) {
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case 0:
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hat_value = InputDefault::HAT_MASK_UP;
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break;
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case 1:
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hat_value = InputDefault::HAT_MASK_UP | InputDefault::HAT_MASK_RIGHT;
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break;
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case 2:
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hat_value = InputDefault::HAT_MASK_RIGHT;
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break;
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case 3:
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hat_value = InputDefault::HAT_MASK_DOWN | InputDefault::HAT_MASK_RIGHT;
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break;
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case 4:
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hat_value = InputDefault::HAT_MASK_DOWN;
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break;
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case 5:
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hat_value = InputDefault::HAT_MASK_DOWN | InputDefault::HAT_MASK_LEFT;
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break;
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case 6:
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hat_value = InputDefault::HAT_MASK_LEFT;
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break;
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case 7:
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hat_value = InputDefault::HAT_MASK_UP | InputDefault::HAT_MASK_LEFT;
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break;
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default:
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hat_value = InputDefault::HAT_MASK_CENTER;
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break;
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}
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return hat_value;
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}
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void JoypadOSX::poll_joypads() const {
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while (CFRunLoopRunInMode(GODOT_JOY_LOOP_RUN_MODE,0,TRUE) == kCFRunLoopRunHandledSource) {
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/* no-op. Pending callbacks will fire. */
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}
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}
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static const InputDefault::JoyAxis axis_correct(int p_value, int p_min, int p_max) {
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InputDefault::JoyAxis jx;
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if (p_min < 0) {
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jx.min = -1;
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if (p_value < 0) {
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jx.value = (float) -p_value / p_min;
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}
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else jx.value = (float) p_value / p_max;
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}
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if (p_min == 0) {
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jx.min = 0;
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jx.value = 0.0f + (float) p_value / p_max;
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}
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return jx;
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}
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uint32_t JoypadOSX::process_joypads(uint32_t p_last_id){
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poll_joypads();
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for (int i = 0; i < device_list.size(); i++) {
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joypad &joy = device_list[i];
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for (int j = 0; j < joy.axis_elements.size(); j++) {
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rec_element &elem = joy.axis_elements[j];
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int value = joy.get_hid_element_state(&elem);
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p_last_id = input->joy_axis(p_last_id, joy.id, j, axis_correct(value, elem.min, elem.max));
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}
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for (int j = 0; j < joy.button_elements.size(); j++) {
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int value = joy.get_hid_element_state(&joy.button_elements[j]);
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p_last_id = input->joy_button(p_last_id, joy.id, j, (value>=1));
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}
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for (int j = 0; j < joy.hat_elements.size(); j++) {
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rec_element &elem = joy.hat_elements[j];
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int value = joy.get_hid_element_state(&elem);
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int hat_value = process_hat_value(elem.min, elem.max, value);
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p_last_id = input->joy_hat(p_last_id, joy.id, hat_value);
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}
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if (joy.ffservice) {
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uint64_t timestamp = input->get_joy_vibration_timestamp(joy.id);
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if (timestamp > joy.ff_timestamp) {
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Vector2 strength = input->get_joy_vibration_strength(joy.id);
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|
float duration = input->get_joy_vibration_duration(joy.id);
|
|
if (strength.x == 0 && strength.y == 0) {
|
|
joypad_vibration_stop(joy.id, timestamp);
|
|
}
|
|
else {
|
|
float gain = MAX(strength.x, strength.y);
|
|
joypad_vibration_start(joy.id, gain, duration, timestamp);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return p_last_id;
|
|
}
|
|
|
|
void JoypadOSX::joypad_vibration_start(int p_id, float p_magnitude, float p_duration, uint64_t p_timestamp) {
|
|
joypad *joy = &device_list[get_joy_index(p_id)];
|
|
joy->ff_timestamp = p_timestamp;
|
|
joy->ff_effect.dwDuration = p_duration * FF_SECONDS;
|
|
joy->ff_effect.dwGain = p_magnitude * FF_FFNOMINALMAX;
|
|
FFEffectSetParameters(joy->ff_object, &joy->ff_effect, FFEP_DURATION | FFEP_GAIN);
|
|
FFEffectStart(joy->ff_object, 1, 0);
|
|
}
|
|
|
|
void JoypadOSX::joypad_vibration_stop(int p_id, uint64_t p_timestamp) {
|
|
joypad* joy = &device_list[get_joy_index(p_id)];
|
|
joy->ff_timestamp = p_timestamp;
|
|
FFEffectStop(joy->ff_object);
|
|
}
|
|
|
|
int JoypadOSX::get_free_joy_id() {
|
|
for (int i = 0; i < JOYPADS_MAX; i++) {
|
|
if (!attached_devices[i]) {
|
|
attached_devices[i] = true;
|
|
return i;
|
|
}
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
int JoypadOSX::get_joy_index(int p_id) const {
|
|
for (int i = 0; i < device_list.size(); i++) {
|
|
if (device_list[i].id == p_id) return i;
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
bool JoypadOSX::have_device(IOHIDDeviceRef p_device) const {
|
|
for (int i = 0; i < device_list.size(); i++) {
|
|
if (device_list[i].device_ref == p_device) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
static CFDictionaryRef create_match_dictionary(const UInt32 page, const UInt32 usage, int *okay)
|
|
{
|
|
CFDictionaryRef retval = NULL;
|
|
CFNumberRef pageNumRef = CFNumberCreate(kCFAllocatorDefault, kCFNumberIntType, &page);
|
|
CFNumberRef usageNumRef = CFNumberCreate(kCFAllocatorDefault, kCFNumberIntType, &usage);
|
|
const void *keys[2] = { (void *) CFSTR(kIOHIDDeviceUsagePageKey), (void *) CFSTR(kIOHIDDeviceUsageKey) };
|
|
const void *vals[2] = { (void *) pageNumRef, (void *) usageNumRef };
|
|
|
|
if (pageNumRef && usageNumRef) {
|
|
retval = CFDictionaryCreate(kCFAllocatorDefault, keys, vals, 2, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
|
|
}
|
|
|
|
if (pageNumRef) {
|
|
CFRelease(pageNumRef);
|
|
}
|
|
if (usageNumRef) {
|
|
CFRelease(usageNumRef);
|
|
}
|
|
|
|
if (!retval) {
|
|
*okay = 0;
|
|
}
|
|
|
|
return retval;
|
|
}
|
|
|
|
void JoypadOSX::config_hid_manager(CFArrayRef p_matching_array) const {
|
|
|
|
CFRunLoopRef runloop = CFRunLoopGetCurrent();
|
|
IOReturn ret = IOHIDManagerOpen(hid_manager, kIOHIDOptionsTypeNone);
|
|
ERR_FAIL_COND(ret != kIOReturnSuccess);
|
|
|
|
IOHIDManagerSetDeviceMatchingMultiple(hid_manager, p_matching_array);
|
|
IOHIDManagerRegisterDeviceMatchingCallback(hid_manager, joypad_added_callback, NULL);
|
|
IOHIDManagerScheduleWithRunLoop(hid_manager, runloop, GODOT_JOY_LOOP_RUN_MODE);
|
|
|
|
while (CFRunLoopRunInMode(GODOT_JOY_LOOP_RUN_MODE,0,TRUE) == kCFRunLoopRunHandledSource) {
|
|
/* no-op. Callback fires once per existing device. */
|
|
}
|
|
}
|
|
|
|
JoypadOSX::JoypadOSX()
|
|
{
|
|
self = this;
|
|
input = (InputDefault*)Input::get_singleton();
|
|
|
|
for (int i = 0; i < JOYPADS_MAX; i++) {
|
|
attached_devices[i] = false;
|
|
}
|
|
|
|
int okay = 1;
|
|
const void *vals[] = {
|
|
(void *) create_match_dictionary(kHIDPage_GenericDesktop, kHIDUsage_GD_Joypad, &okay),
|
|
(void *) create_match_dictionary(kHIDPage_GenericDesktop, kHIDUsage_GD_GamePad, &okay),
|
|
(void *) create_match_dictionary(kHIDPage_GenericDesktop, kHIDUsage_GD_MultiAxisController, &okay),
|
|
};
|
|
const size_t n_elements = sizeof(vals)/sizeof(vals[0]);
|
|
CFArrayRef array = okay ? CFArrayCreate(kCFAllocatorDefault, vals, n_elements, &kCFTypeArrayCallBacks) : NULL;
|
|
|
|
for (int i = 0; i < n_elements; i++) {
|
|
if (vals[i]) {
|
|
CFRelease((CFTypeRef) vals[i]);
|
|
}
|
|
}
|
|
|
|
if (array) {
|
|
hid_manager = IOHIDManagerCreate(kCFAllocatorDefault, kIOHIDOptionsTypeNone);
|
|
if (hid_manager != NULL) {
|
|
config_hid_manager(array);
|
|
}
|
|
CFRelease(array);
|
|
}
|
|
}
|
|
|
|
JoypadOSX::~JoypadOSX() {
|
|
|
|
for (int i = 0; i < device_list.size(); i++) {
|
|
device_list[i].free();
|
|
}
|
|
|
|
IOHIDManagerUnscheduleFromRunLoop(hid_manager, CFRunLoopGetCurrent(), GODOT_JOY_LOOP_RUN_MODE);
|
|
IOHIDManagerClose(hid_manager, kIOHIDOptionsTypeNone);
|
|
CFRelease(hid_manager);
|
|
hid_manager = NULL;
|
|
}
|
|
|