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virtualx-engine/platform/ios/os_ios.mm

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/*************************************************************************/
/* os_ios.mm */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 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 IOS_ENABLED
#include "os_ios.h"
#import "app_delegate.h"
#include "core/config/project_settings.h"
#include "core/io/dir_access.h"
#include "core/io/file_access.h"
#include "core/io/file_access_pack.h"
#include "display_server_ios.h"
#include "drivers/unix/syslog_logger.h"
#import "godot_view.h"
#include "main/main.h"
#import "view_controller.h"
#import <AudioToolbox/AudioServices.h>
#import <CoreText/CoreText.h>
#import <UIKit/UIKit.h>
#import <dlfcn.h>
#include <sys/sysctl.h>
#if defined(VULKAN_ENABLED)
#include "servers/rendering/renderer_rd/renderer_compositor_rd.h"
#import <QuartzCore/CAMetalLayer.h>
#ifdef USE_VOLK
#include <volk.h>
#else
#include <vulkan/vulkan.h>
#endif
#endif
// 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 = nullptr;
static int ios_init_callbacks_count = 0;
static int ios_init_callbacks_capacity = 0;
HashMap<String, void *> OS_IOS::dynamic_symbol_lookup_table;
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;
}
}
void register_dynamic_symbol(char *name, void *address) {
OS_IOS::dynamic_symbol_lookup_table[String(name)] = address;
}
OS_IOS *OS_IOS::get_singleton() {
return (OS_IOS *)OS::get_singleton();
}
OS_IOS::OS_IOS() {
for (int i = 0; i < ios_init_callbacks_count; ++i) {
ios_init_callbacks[i]();
}
free(ios_init_callbacks);
ios_init_callbacks = nullptr;
ios_init_callbacks_count = 0;
ios_init_callbacks_capacity = 0;
main_loop = nullptr;
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)));
AudioDriverManager::add_driver(&audio_driver);
DisplayServerIOS::register_ios_driver();
}
OS_IOS::~OS_IOS() {}
void OS_IOS::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());
}
void OS_IOS::initialize_core() {
OS_Unix::initialize_core();
}
void OS_IOS::initialize() {
initialize_core();
}
void OS_IOS::initialize_modules() {
ios = memnew(iOS);
Engine::get_singleton()->add_singleton(Engine::Singleton("iOS", ios));
joypad_ios = memnew(JoypadIOS);
}
void OS_IOS::deinitialize_modules() {
if (joypad_ios) {
memdelete(joypad_ios);
}
if (ios) {
memdelete(ios);
}
}
void OS_IOS::set_main_loop(MainLoop *p_main_loop) {
main_loop = p_main_loop;
if (main_loop) {
main_loop->initialize();
}
}
MainLoop *OS_IOS::get_main_loop() const {
return main_loop;
}
void OS_IOS::delete_main_loop() {
if (main_loop) {
main_loop->finalize();
memdelete(main_loop);
}
main_loop = nullptr;
}
bool OS_IOS::iterate() {
if (!main_loop) {
return true;
}
if (DisplayServer::get_singleton()) {
DisplayServer::get_singleton()->process_events();
}
return Main::iteration();
}
void OS_IOS::start() {
Main::start();
if (joypad_ios) {
joypad_ios->start_processing();
}
}
void OS_IOS::finalize() {
deinitialize_modules();
// Already gets called
//delete_main_loop();
}
// MARK: Dynamic Libraries
_FORCE_INLINE_ String OS_IOS::get_framework_executable(const String &p_path) {
Ref<DirAccess> da = DirAccess::create(DirAccess::ACCESS_FILESYSTEM);
// Read framework bundle to get executable name.
NSURL *url = [NSURL fileURLWithPath:@(p_path.utf8().get_data())];
NSBundle *bundle = [NSBundle bundleWithURL:url];
if (bundle) {
String exe_path = String::utf8([[bundle executablePath] UTF8String]);
if (da->file_exists(exe_path)) {
return exe_path;
}
}
// Try default executable name (invalid framework).
if (da->dir_exists(p_path) && da->file_exists(p_path.path_join(p_path.get_file().get_basename()))) {
return p_path.path_join(p_path.get_file().get_basename());
}
// Not a framework, try loading as .dylib.
return p_path;
}
Error OS_IOS::open_dynamic_library(const String p_path, void *&p_library_handle, bool p_also_set_library_path, String *r_resolved_path) {
if (p_path.length() == 0) {
// Static xcframework.
p_library_handle = RTLD_SELF;
if (r_resolved_path != nullptr) {
*r_resolved_path = p_path;
}
return OK;
}
String path = get_framework_executable(p_path);
if (!FileAccess::exists(path)) {
// Load .dylib or framework from within the executable path.
path = get_framework_executable(get_executable_path().get_base_dir().path_join(p_path.get_file()));
}
if (!FileAccess::exists(path)) {
// Load .dylib or framework from a standard iOS location.
path = get_framework_executable(get_executable_path().get_base_dir().path_join("Frameworks").path_join(p_path.get_file()));
}
p_library_handle = dlopen(path.utf8().get_data(), RTLD_NOW);
ERR_FAIL_COND_V_MSG(!p_library_handle, ERR_CANT_OPEN, "Can't open dynamic library: " + p_path + ", error: " + dlerror() + ".");
if (r_resolved_path != nullptr) {
*r_resolved_path = path;
}
return OK;
}
Error OS_IOS::close_dynamic_library(void *p_library_handle) {
if (p_library_handle == RTLD_SELF) {
return OK;
}
return OS_Unix::close_dynamic_library(p_library_handle);
}
Error OS_IOS::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 = OS_IOS::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);
}
String OS_IOS::get_name() const {
return "iOS";
}
String OS_IOS::get_distribution_name() const {
return get_name();
}
String OS_IOS::get_version() const {
NSOperatingSystemVersion ver = [NSProcessInfo processInfo].operatingSystemVersion;
return vformat("%d.%d.%d", (int64_t)ver.majorVersion, (int64_t)ver.minorVersion, (int64_t)ver.patchVersion);
}
String OS_IOS::get_model_name() const {
String model = ios->get_model();
if (model != "") {
return model;
}
return OS_Unix::get_model_name();
}
Error OS_IOS::shell_open(String p_uri) {
NSString *urlPath = [[NSString alloc] initWithUTF8String:p_uri.utf8().get_data()];
NSURL *url = [NSURL URLWithString:urlPath];
if (![[UIApplication sharedApplication] canOpenURL:url]) {
return ERR_CANT_OPEN;
}
printf("opening url %s\n", p_uri.utf8().get_data());
[[UIApplication sharedApplication] openURL:url options:@{} completionHandler:nil];
return OK;
}
String OS_IOS::get_user_data_dir() const {
static String ret;
if (ret.is_empty()) {
NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
if (paths && [paths count] >= 1) {
ret.parse_utf8([[paths firstObject] UTF8String]);
}
}
return ret;
}
String OS_IOS::get_cache_path() const {
static String ret;
if (ret.is_empty()) {
NSArray *paths = NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES);
if (paths && [paths count] >= 1) {
ret.parse_utf8([[paths firstObject] UTF8String]);
}
}
return ret;
}
String OS_IOS::get_locale() const {
NSString *preferedLanguage = [NSLocale preferredLanguages].firstObject;
if (preferedLanguage) {
return String::utf8([preferedLanguage UTF8String]).replace("-", "_");
}
NSString *localeIdentifier = [[NSLocale currentLocale] localeIdentifier];
return String::utf8([localeIdentifier UTF8String]).replace("-", "_");
}
String OS_IOS::get_unique_id() const {
NSString *uuid = [UIDevice currentDevice].identifierForVendor.UUIDString;
return String::utf8([uuid UTF8String]);
}
String OS_IOS::get_processor_name() const {
char buffer[256];
size_t buffer_len = 256;
if (sysctlbyname("machdep.cpu.brand_string", &buffer, &buffer_len, NULL, 0) == 0) {
return String::utf8(buffer, buffer_len);
}
ERR_FAIL_V_MSG("", String("Couldn't get the CPU model name. Returning an empty string."));
}
Vector<String> OS_IOS::get_system_fonts() const {
HashSet<String> font_names;
CFArrayRef fonts = CTFontManagerCopyAvailableFontFamilyNames();
if (fonts) {
for (CFIndex i = 0; i < CFArrayGetCount(fonts); i++) {
CFStringRef cf_name = (CFStringRef)CFArrayGetValueAtIndex(fonts, i);
if (cf_name && (CFStringGetLength(cf_name) > 0) && (CFStringCompare(cf_name, CFSTR("LastResort"), kCFCompareCaseInsensitive) != kCFCompareEqualTo) && (CFStringGetCharacterAtIndex(cf_name, 0) != '.')) {
NSString *ns_name = (__bridge NSString *)cf_name;
font_names.insert(String::utf8([ns_name UTF8String]));
}
}
CFRelease(fonts);
}
Vector<String> ret;
for (const String &E : font_names) {
ret.push_back(E);
}
return ret;
}
String OS_IOS::_get_default_fontname(const String &p_font_name) const {
String font_name = p_font_name;
if (font_name.to_lower() == "sans-serif") {
font_name = "Helvetica";
} else if (font_name.to_lower() == "serif") {
font_name = "Times";
} else if (font_name.to_lower() == "monospace") {
font_name = "Courier";
} else if (font_name.to_lower() == "fantasy") {
font_name = "Papyrus";
} else if (font_name.to_lower() == "cursive") {
font_name = "Apple Chancery";
};
return font_name;
}
CGFloat OS_IOS::_weight_to_ct(int p_weight) const {
if (p_weight < 150) {
return -0.80;
} else if (p_weight < 250) {
return -0.60;
} else if (p_weight < 350) {
return -0.40;
} else if (p_weight < 450) {
return 0.0;
} else if (p_weight < 550) {
return 0.23;
} else if (p_weight < 650) {
return 0.30;
} else if (p_weight < 750) {
return 0.40;
} else if (p_weight < 850) {
return 0.56;
} else if (p_weight < 925) {
return 0.62;
} else {
return 1.00;
}
}
CGFloat OS_IOS::_stretch_to_ct(int p_stretch) const {
if (p_stretch < 56) {
return -0.5;
} else if (p_stretch < 69) {
return -0.37;
} else if (p_stretch < 81) {
return -0.25;
} else if (p_stretch < 93) {
return -0.13;
} else if (p_stretch < 106) {
return 0.0;
} else if (p_stretch < 137) {
return 0.13;
} else if (p_stretch < 144) {
return 0.25;
} else if (p_stretch < 162) {
return 0.37;
} else {
return 0.5;
}
}
Vector<String> OS_IOS::get_system_font_path_for_text(const String &p_font_name, const String &p_text, const String &p_locale, const String &p_script, int p_weight, int p_stretch, bool p_italic) const {
Vector<String> ret;
String font_name = _get_default_fontname(p_font_name);
CFStringRef name = CFStringCreateWithCString(kCFAllocatorDefault, font_name.utf8().get_data(), kCFStringEncodingUTF8);
CTFontSymbolicTraits traits = 0;
if (p_weight >= 700) {
traits |= kCTFontBoldTrait;
}
if (p_italic) {
traits |= kCTFontItalicTrait;
}
if (p_stretch < 100) {
traits |= kCTFontCondensedTrait;
} else if (p_stretch > 100) {
traits |= kCTFontExpandedTrait;
}
CFNumberRef sym_traits = CFNumberCreate(kCFAllocatorDefault, kCFNumberSInt32Type, &traits);
CFMutableDictionaryRef traits_dict = CFDictionaryCreateMutable(kCFAllocatorDefault, 0, nullptr, nullptr);
CFDictionaryAddValue(traits_dict, kCTFontSymbolicTrait, sym_traits);
CGFloat weight = _weight_to_ct(p_weight);
CFNumberRef font_weight = CFNumberCreate(kCFAllocatorDefault, kCFNumberCGFloatType, &weight);
CFDictionaryAddValue(traits_dict, kCTFontWeightTrait, font_weight);
CGFloat stretch = _stretch_to_ct(p_stretch);
CFNumberRef font_stretch = CFNumberCreate(kCFAllocatorDefault, kCFNumberCGFloatType, &stretch);
CFDictionaryAddValue(traits_dict, kCTFontWidthTrait, font_stretch);
CFMutableDictionaryRef attributes = CFDictionaryCreateMutable(kCFAllocatorDefault, 0, nullptr, nullptr);
CFDictionaryAddValue(attributes, kCTFontFamilyNameAttribute, name);
CFDictionaryAddValue(attributes, kCTFontTraitsAttribute, traits_dict);
CTFontDescriptorRef font = CTFontDescriptorCreateWithAttributes(attributes);
if (font) {
CTFontRef family = CTFontCreateWithFontDescriptor(font, 0, nullptr);
CFStringRef string = CFStringCreateWithCString(kCFAllocatorDefault, p_text.utf8().get_data(), kCFStringEncodingUTF8);
CFRange range = CFRangeMake(0, CFStringGetLength(string));
CTFontRef fallback_family = CTFontCreateForString(family, string, range);
if (fallback_family) {
CTFontDescriptorRef fallback_font = CTFontCopyFontDescriptor(fallback_family);
if (fallback_font) {
CFURLRef url = (CFURLRef)CTFontDescriptorCopyAttribute(fallback_font, kCTFontURLAttribute);
if (url) {
NSString *font_path = [NSString stringWithString:[(__bridge NSURL *)url path]];
ret.push_back(String::utf8([font_path UTF8String]));
CFRelease(url);
}
CFRelease(fallback_font);
}
CFRelease(fallback_family);
}
CFRelease(string);
CFRelease(font);
}
CFRelease(attributes);
CFRelease(traits_dict);
CFRelease(sym_traits);
CFRelease(font_stretch);
CFRelease(font_weight);
CFRelease(name);
return ret;
}
String OS_IOS::get_system_font_path(const String &p_font_name, int p_weight, int p_stretch, bool p_italic) const {
String ret;
String font_name = _get_default_fontname(p_font_name);
CFStringRef name = CFStringCreateWithCString(kCFAllocatorDefault, font_name.utf8().get_data(), kCFStringEncodingUTF8);
CTFontSymbolicTraits traits = 0;
if (p_weight >= 700) {
traits |= kCTFontBoldTrait;
}
if (p_italic) {
traits |= kCTFontItalicTrait;
}
if (p_stretch < 100) {
traits |= kCTFontCondensedTrait;
} else if (p_stretch > 100) {
traits |= kCTFontExpandedTrait;
}
CFNumberRef sym_traits = CFNumberCreate(kCFAllocatorDefault, kCFNumberSInt32Type, &traits);
CFMutableDictionaryRef traits_dict = CFDictionaryCreateMutable(kCFAllocatorDefault, 0, nullptr, nullptr);
CFDictionaryAddValue(traits_dict, kCTFontSymbolicTrait, sym_traits);
CGFloat weight = _weight_to_ct(p_weight);
CFNumberRef font_weight = CFNumberCreate(kCFAllocatorDefault, kCFNumberCGFloatType, &weight);
CFDictionaryAddValue(traits_dict, kCTFontWeightTrait, font_weight);
CGFloat stretch = _stretch_to_ct(p_stretch);
CFNumberRef font_stretch = CFNumberCreate(kCFAllocatorDefault, kCFNumberCGFloatType, &stretch);
CFDictionaryAddValue(traits_dict, kCTFontWidthTrait, font_stretch);
CFMutableDictionaryRef attributes = CFDictionaryCreateMutable(kCFAllocatorDefault, 0, nullptr, nullptr);
CFDictionaryAddValue(attributes, kCTFontFamilyNameAttribute, name);
CFDictionaryAddValue(attributes, kCTFontTraitsAttribute, traits_dict);
CTFontDescriptorRef font = CTFontDescriptorCreateWithAttributes(attributes);
if (font) {
CFURLRef url = (CFURLRef)CTFontDescriptorCopyAttribute(font, kCTFontURLAttribute);
if (url) {
NSString *font_path = [NSString stringWithString:[(__bridge NSURL *)url path]];
ret = String::utf8([font_path UTF8String]);
CFRelease(url);
}
CFRelease(font);
}
CFRelease(attributes);
CFRelease(traits_dict);
CFRelease(sym_traits);
CFRelease(font_stretch);
CFRelease(font_weight);
CFRelease(name);
return ret;
}
void OS_IOS::vibrate_handheld(int p_duration_ms) {
if (ios->supports_haptic_engine()) {
ios->vibrate_haptic_engine((float)p_duration_ms / 1000.f);
} else {
// iOS <13 does not support duration for vibration
AudioServicesPlaySystemSound(kSystemSoundID_Vibrate);
}
}
bool OS_IOS::_check_internal_feature_support(const String &p_feature) {
if (p_feature == "system_fonts") {
return true;
}
if (p_feature == "mobile") {
return true;
}
return false;
}
void OS_IOS::on_focus_out() {
if (is_focused) {
is_focused = false;
if (DisplayServerIOS::get_singleton()) {
DisplayServerIOS::get_singleton()->send_window_event(DisplayServer::WINDOW_EVENT_FOCUS_OUT);
}
[AppDelegate.viewController.godotView stopRendering];
audio_driver.stop();
}
}
void OS_IOS::on_focus_in() {
if (!is_focused) {
is_focused = true;
if (DisplayServerIOS::get_singleton()) {
DisplayServerIOS::get_singleton()->send_window_event(DisplayServer::WINDOW_EVENT_FOCUS_IN);
}
[AppDelegate.viewController.godotView startRendering];
audio_driver.start();
}
}
#endif // IOS_ENABLED
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