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virtualx-engine/platform/iphone/os_iphone.cpp
Ruslan Mustakov 99cf2ffb19 iPhone X support and iOS-related fixes 
Starting from April 2018 Apple no longer accepts apps that do not
support iPhone X. For games this mainly means respecting the safe area,
unobstructed by notch and virtual home button. UI controls must be
placed within the safe area so that users can interact with them.

This commit:

- Adds OS::get_window_safe_area method that returns unobscured area of
  the window, where interactive controls should be rendered.

- Reorganizes how launch screens are exported - the previous way was
  incorrect and modern iPhones did not pick up the correct screens and
  because of that used a non-native resolution to render the game.

- Adds launch screen options for iPhone X.

- Makes launch screens optional in the export template. If not
  specified, a white screen will be used.

- Adds App Store icon (1024x1024) export option as it now has to be
  bundled with the app instead of being provided in iTunes Connect.

- Fixes crash when launching games in iOS Simulator. It happened because
  controllerWasConnected callback came before the engine was
  initialized. Now in such case the controllers will be queued up and
  registered after initialization is done.

- Fixes issue with the virtual keyboard where for some reason
  autocorrection panel would intersect with the keyboard itself and not
  allow you to use the top row of the keyboard. This is fixed by
  disabling autocorrection altogether.

Closes #17358. Fixes #17428. Fixes #17331.

(cherry picked from commit 1d9a3a9b1c)
2018-04-14 20:17:47 +02:00

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/*************************************************************************/
/* os_iphone.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2018 Godot Engine contributors (cf. AUTHORS.md) */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#ifdef IPHONE_ENABLED
#include "os_iphone.h"
#include "drivers/gles3/rasterizer_gles3.h"
#include "servers/visual/visual_server_raster.h"
//#include "servers/visual/visual_server_wrap_mt.h"
#include "main/main.h"
#include "core/io/file_access_pack.h"
#include "core/os/dir_access.h"
#include "core/os/file_access.h"
#include "core/project_settings.h"
#include "drivers/unix/syslog_logger.h"
#include "sem_iphone.h"
#include "ios.h"
#include <dlfcn.h>
int OSIPhone::get_video_driver_count() const {
return 1;
};
const char *OSIPhone::get_video_driver_name(int p_driver) const {
return "GLES3";
};
OSIPhone *OSIPhone::get_singleton() {
return (OSIPhone *)OS::get_singleton();
};
uint8_t OSIPhone::get_orientations() const {
return supported_orientations;
};
extern int gl_view_base_fb; // from gl_view.mm
void OSIPhone::set_data_dir(String p_dir) {
DirAccess *da = DirAccess::open(p_dir);
data_dir = da->get_current_dir();
printf("setting data dir to %ls from %ls\n", data_dir.c_str(), p_dir.c_str());
memdelete(da);
};
void OSIPhone::set_unique_id(String p_ID) {
unique_ID = p_ID;
};
String OSIPhone::get_unique_id() const {
return unique_ID;
};
void OSIPhone::initialize_core() {
OS_Unix::initialize_core();
SemaphoreIphone::make_default();
set_data_dir(data_dir);
};
Error OSIPhone::initialize(const VideoMode &p_desired, int p_video_driver, int p_audio_driver) {
supported_orientations = 0;
supported_orientations |= ((GLOBAL_DEF("video_mode/allow_horizontal", true) ? 1 : 0) << LandscapeLeft);
supported_orientations |= ((GLOBAL_DEF("video_mode/allow_horizontal_flipped", false) ? 1 : 0) << LandscapeRight);
supported_orientations |= ((GLOBAL_DEF("video_mode/allow_vertical", false) ? 1 : 0) << PortraitDown);
supported_orientations |= ((GLOBAL_DEF("video_mode/allow_vertical_flipped", false) ? 1 : 0) << PortraitUp);
RasterizerGLES3::register_config();
RasterizerGLES3::make_current();
visual_server = memnew(VisualServerRaster());
/*
FIXME: Reimplement threaded rendering? Or remove?
if (get_render_thread_mode() != RENDER_THREAD_UNSAFE) {
visual_server = memnew(VisualServerWrapMT(visual_server, false));
};
*/
visual_server->init();
//visual_server->cursor_set_visible(false, 0);
// reset this to what it should be, it will have been set to 0 after visual_server->init() is called
RasterizerStorageGLES3::system_fbo = gl_view_base_fb;
AudioDriverManager::add_driver(&audio_driver);
AudioDriverManager::initialize(p_audio_driver);
input = memnew(InputDefault);
#ifdef GAME_CENTER_ENABLED
game_center = memnew(GameCenter);
Engine::get_singleton()->add_singleton(Engine::Singleton("GameCenter", game_center));
game_center->connect();
#endif
#ifdef STOREKIT_ENABLED
store_kit = memnew(InAppStore);
Engine::get_singleton()->add_singleton(Engine::Singleton("InAppStore", store_kit));
#endif
#ifdef ICLOUD_ENABLED
icloud = memnew(ICloud);
Engine::get_singleton()->add_singleton(Engine::Singleton("ICloud", icloud));
//icloud->connect();
#endif
Engine::get_singleton()->add_singleton(Engine::Singleton("iOS", memnew(iOS)));
return OK;
};
MainLoop *OSIPhone::get_main_loop() const {
return main_loop;
};
void OSIPhone::set_main_loop(MainLoop *p_main_loop) {
main_loop = p_main_loop;
if (main_loop) {
input->set_main_loop(p_main_loop);
main_loop->init();
}
};
bool OSIPhone::iterate() {
if (!main_loop)
return true;
if (main_loop) {
for (int i = 0; i < event_count; i++) {
input->parse_input_event(event_queue[i]);
};
};
event_count = 0;
return Main::iteration();
};
void OSIPhone::key(uint32_t p_key, bool p_pressed) {
Ref<InputEventKey> ev;
ev.instance();
ev->set_echo(false);
ev->set_pressed(p_pressed);
ev->set_scancode(p_key);
ev->set_unicode(p_key);
queue_event(ev);
};
void OSIPhone::mouse_button(int p_idx, int p_x, int p_y, bool p_pressed, bool p_doubleclick, bool p_use_as_mouse) {
if (!GLOBAL_DEF("debug/disable_touch", false)) {
Ref<InputEventScreenTouch> ev;
ev.instance();
ev->set_index(p_idx);
ev->set_pressed(p_pressed);
ev->set_position(Vector2(p_x, p_y));
queue_event(ev);
};
mouse_list.pressed[p_idx] = p_pressed;
if (p_use_as_mouse) {
Ref<InputEventMouseButton> ev;
ev.instance();
ev->set_position(Vector2(p_x, p_y));
ev->set_global_position(Vector2(p_x, p_y));
//mouse_list.pressed[p_idx] = p_pressed;
input->set_mouse_position(ev->get_position());
ev->set_button_index(BUTTON_LEFT);
ev->set_doubleclick(p_doubleclick);
ev->set_pressed(p_pressed);
queue_event(ev);
};
};
void OSIPhone::mouse_move(int p_idx, int p_prev_x, int p_prev_y, int p_x, int p_y, bool p_use_as_mouse) {
if (!GLOBAL_DEF("debug/disable_touch", false)) {
Ref<InputEventScreenDrag> ev;
ev.instance();
ev->set_index(p_idx);
ev->set_position(Vector2(p_x, p_y));
ev->set_relative(Vector2(p_x - p_prev_x, p_y - p_prev_y));
queue_event(ev);
};
if (p_use_as_mouse) {
Ref<InputEventMouseMotion> ev;
ev.instance();
ev->set_position(Vector2(p_x, p_y));
ev->set_global_position(Vector2(p_x, p_y));
ev->set_relative(Vector2(p_x - p_prev_x, p_y - p_prev_y));
input->set_mouse_position(ev->get_position());
ev->set_speed(input->get_last_mouse_speed());
ev->set_button_mask(BUTTON_LEFT); // pressed
queue_event(ev);
};
};
void OSIPhone::queue_event(const Ref<InputEvent> &p_event) {
ERR_FAIL_INDEX(event_count, MAX_EVENTS);
event_queue[event_count++] = p_event;
};
void OSIPhone::touches_cancelled() {
for (int i = 0; i < MAX_MOUSE_COUNT; i++) {
if (mouse_list.pressed[i]) {
// send a mouse_up outside the screen
mouse_button(i, -1, -1, false, false, false);
};
};
};
static const float ACCEL_RANGE = 1;
void OSIPhone::update_gravity(float p_x, float p_y, float p_z) {
input->set_gravity(Vector3(p_x, p_y, p_z));
};
void OSIPhone::update_accelerometer(float p_x, float p_y, float p_z) {
// Found out the Z should not be negated! Pass as is!
input->set_accelerometer(Vector3(p_x / (float)ACCEL_RANGE, p_y / (float)ACCEL_RANGE, p_z / (float)ACCEL_RANGE));
/*
if (p_x != last_accel.x) {
//printf("updating accel x %f\n", p_x);
InputEvent ev;
ev.type = InputEvent::JOYPAD_MOTION;
ev.device = 0;
ev.joy_motion.axis = JOY_ANALOG_0;
ev.joy_motion.axis_value = (p_x / (float)ACCEL_RANGE);
last_accel.x = p_x;
queue_event(ev);
};
if (p_y != last_accel.y) {
//printf("updating accel y %f\n", p_y);
InputEvent ev;
ev.type = InputEvent::JOYPAD_MOTION;
ev.device = 0;
ev.joy_motion.axis = JOY_ANALOG_1;
ev.joy_motion.axis_value = (p_y / (float)ACCEL_RANGE);
last_accel.y = p_y;
queue_event(ev);
};
if (p_z != last_accel.z) {
//printf("updating accel z %f\n", p_z);
InputEvent ev;
ev.type = InputEvent::JOYPAD_MOTION;
ev.device = 0;
ev.joy_motion.axis = JOY_ANALOG_2;
ev.joy_motion.axis_value = ( (1.0 - p_z) / (float)ACCEL_RANGE);
last_accel.z = p_z;
queue_event(ev);
};
*/
};
void OSIPhone::update_magnetometer(float p_x, float p_y, float p_z) {
input->set_magnetometer(Vector3(p_x, p_y, p_z));
};
void OSIPhone::update_gyroscope(float p_x, float p_y, float p_z) {
input->set_gyroscope(Vector3(p_x, p_y, p_z));
};
int OSIPhone::get_unused_joy_id() {
return input->get_unused_joy_id();
};
void OSIPhone::joy_connection_changed(int p_idx, bool p_connected, String p_name) {
input->joy_connection_changed(p_idx, p_connected, p_name);
};
void OSIPhone::joy_button(int p_device, int p_button, bool p_pressed) {
input->joy_button(p_device, p_button, p_pressed);
};
void OSIPhone::joy_axis(int p_device, int p_axis, const InputDefault::JoyAxis &p_value) {
input->joy_axis(p_device, p_axis, p_value);
};
void OSIPhone::delete_main_loop() {
if (main_loop) {
main_loop->finish();
memdelete(main_loop);
};
main_loop = NULL;
};
void OSIPhone::finalize() {
if (main_loop) // should not happen?
memdelete(main_loop);
visual_server->finish();
memdelete(visual_server);
// memdelete(rasterizer);
memdelete(input);
};
void OSIPhone::set_mouse_show(bool p_show){};
void OSIPhone::set_mouse_grab(bool p_grab){};
bool OSIPhone::is_mouse_grab_enabled() const {
return true;
};
Point2 OSIPhone::get_mouse_position() const {
return Point2();
};
int OSIPhone::get_mouse_button_state() const {
return mouse_list.pressed[0];
};
void OSIPhone::set_window_title(const String &p_title){};
void OSIPhone::alert(const String &p_alert, const String &p_title) {
const CharString utf8_alert = p_alert.utf8();
const CharString utf8_title = p_title.utf8();
iOS::alert(utf8_alert.get_data(), utf8_title.get_data());
}
Error OSIPhone::open_dynamic_library(const String p_path, void *&p_library_handle, bool p_also_set_library_path) {
if (p_path.length() == 0) {
p_library_handle = RTLD_SELF;
return OK;
}
return OS_Unix::open_dynamic_library(p_path, p_library_handle, p_also_set_library_path);
}
Error OSIPhone::close_dynamic_library(void *p_library_handle) {
if (p_library_handle == RTLD_SELF) {
return OK;
}
return OS_Unix::close_dynamic_library(p_library_handle);
}
HashMap<String, void *> OSIPhone::dynamic_symbol_lookup_table;
void register_dynamic_symbol(char *name, void *address) {
OSIPhone::dynamic_symbol_lookup_table[String(name)] = address;
}
Error OSIPhone::get_dynamic_library_symbol_handle(void *p_library_handle, const String p_name, void *&p_symbol_handle, bool p_optional) {
if (p_library_handle == RTLD_SELF) {
void **ptr = OSIPhone::dynamic_symbol_lookup_table.getptr(p_name);
if (ptr) {
p_symbol_handle = *ptr;
return OK;
}
}
return OS_Unix::get_dynamic_library_symbol_handle(p_library_handle, p_name, p_symbol_handle, p_optional);
}
void OSIPhone::set_video_mode(const VideoMode &p_video_mode, int p_screen) {
video_mode = p_video_mode;
};
OS::VideoMode OSIPhone::get_video_mode(int p_screen) const {
return video_mode;
};
void OSIPhone::get_fullscreen_mode_list(List<VideoMode> *p_list, int p_screen) const {
p_list->push_back(video_mode);
};
bool OSIPhone::can_draw() const {
if (native_video_is_playing())
return false;
return true;
};
int OSIPhone::set_base_framebuffer(int p_fb) {
// gl_view_base_fb has not been updated yet
RasterizerStorageGLES3::system_fbo = p_fb;
return 0;
};
bool OSIPhone::has_virtual_keyboard() const {
return true;
};
extern void _show_keyboard(String p_existing);
extern void _hide_keyboard();
extern Error _shell_open(String p_uri);
extern void _set_keep_screen_on(bool p_enabled);
void OSIPhone::show_virtual_keyboard(const String &p_existing_text, const Rect2 &p_screen_rect) {
_show_keyboard(p_existing_text);
};
void OSIPhone::hide_virtual_keyboard() {
_hide_keyboard();
};
void OSIPhone::set_virtual_keyboard_height(int p_height) {
virtual_keyboard_height = p_height;
}
int OSIPhone::get_virtual_keyboard_height() const {
return virtual_keyboard_height;
}
Error OSIPhone::shell_open(String p_uri) {
return _shell_open(p_uri);
};
void OSIPhone::set_keep_screen_on(bool p_enabled) {
OS::set_keep_screen_on(p_enabled);
_set_keep_screen_on(p_enabled);
};
void OSIPhone::set_cursor_shape(CursorShape p_shape){
};
String OSIPhone::get_user_data_dir() const {
return data_dir;
};
void OSIPhone::set_custom_mouse_cursor(const RES &p_cursor, CursorShape p_shape, const Vector2 &p_hotspot){};
String OSIPhone::get_name() {
return "iOS";
};
Size2 OSIPhone::get_window_size() const {
return Vector2(video_mode.width, video_mode.height);
}
extern Rect2 _get_ios_window_safe_area(float p_window_width, float p_window_height);
Rect2 OSIPhone::get_window_safe_area() const {
return _get_ios_window_safe_area(video_mode.width, video_mode.height);
}
bool OSIPhone::has_touchscreen_ui_hint() const {
return true;
}
void OSIPhone::set_locale(String p_locale) {
locale_code = p_locale;
}
String OSIPhone::get_locale() const {
return locale_code;
}
extern bool _play_video(String p_path, float p_volume, String p_audio_track, String p_subtitle_track);
extern bool _is_video_playing();
extern void _pause_video();
extern void _unpause_video();
extern void _stop_video();
extern void _focus_out_video();
Error OSIPhone::native_video_play(String p_path, float p_volume, String p_audio_track, String p_subtitle_track) {
FileAccess *f = FileAccess::open(p_path, FileAccess::READ);
bool exists = f && f->is_open();
String tempFile = get_user_data_dir();
if (!exists)
return FAILED;
if (p_path.begins_with("res://")) {
if (PackedData::get_singleton()->has_path(p_path)) {
print("Unable to play %S using the native player as it resides in a .pck file\n", p_path.c_str());
return ERR_INVALID_PARAMETER;
} else {
p_path = p_path.replace("res:/", ProjectSettings::get_singleton()->get_resource_path());
}
} else if (p_path.begins_with("user://"))
p_path = p_path.replace("user:/", get_user_data_dir());
memdelete(f);
print("Playing video: %S\n", p_path.c_str());
if (_play_video(p_path, p_volume, p_audio_track, p_subtitle_track))
return OK;
return FAILED;
}
bool OSIPhone::native_video_is_playing() const {
return _is_video_playing();
}
void OSIPhone::native_video_pause() {
if (native_video_is_playing())
_pause_video();
}
void OSIPhone::native_video_unpause() {
_unpause_video();
};
void OSIPhone::native_video_focus_out() {
_focus_out_video();
};
void OSIPhone::native_video_stop() {
if (native_video_is_playing())
_stop_video();
}
bool OSIPhone::_check_internal_feature_support(const String &p_feature) {
return p_feature == "mobile" || p_feature == "etc" || p_feature == "pvrtc" || p_feature == "etc2";
}
// Initialization order between compilation units is not guaranteed,
// so we use this as a hack to ensure certain code is called before
// everything else, but after all units are initialized.
typedef void (*init_callback)();
static init_callback *ios_init_callbacks = NULL;
static int ios_init_callbacks_count = 0;
static int ios_init_callbacks_capacity = 0;
void add_ios_init_callback(init_callback cb) {
if (ios_init_callbacks_count == ios_init_callbacks_capacity) {
void *new_ptr = realloc(ios_init_callbacks, sizeof(cb) * 32);
if (new_ptr) {
ios_init_callbacks = (init_callback *)(new_ptr);
ios_init_callbacks_capacity += 32;
}
}
if (ios_init_callbacks_capacity > ios_init_callbacks_count) {
ios_init_callbacks[ios_init_callbacks_count] = cb;
++ios_init_callbacks_count;
}
}
OSIPhone::OSIPhone(int width, int height, String p_data_dir) {
for (int i = 0; i < ios_init_callbacks_count; ++i) {
ios_init_callbacks[i]();
}
free(ios_init_callbacks);
ios_init_callbacks = NULL;
ios_init_callbacks_count = 0;
ios_init_callbacks_capacity = 0;
main_loop = NULL;
visual_server = NULL;
VideoMode vm;
vm.fullscreen = true;
vm.width = width;
vm.height = height;
vm.resizable = false;
set_video_mode(vm);
event_count = 0;
virtual_keyboard_height = 0;
// can't call set_data_dir from here, since it requires DirAccess
// which is initialized in initialize_core
data_dir = p_data_dir;
Vector<Logger *> loggers;
loggers.push_back(memnew(SyslogLogger));
#ifdef DEBUG_ENABLED
// it seems iOS app's stdout/stderr is only obtainable if you launch it from Xcode
loggers.push_back(memnew(StdLogger));
#endif
_set_logger(memnew(CompositeLogger(loggers)));
};
OSIPhone::~OSIPhone() {
}
#endif
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