virtualx-engine/platform/iphone/display_server_iphone.mm
2021-11-12 15:37:54 -06:00

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/*************************************************************************/
/* display_server_iphone.mm */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2021 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. */
/*************************************************************************/
#include "display_server_iphone.h"
#import "app_delegate.h"
#include "core/config/project_settings.h"
#include "core/io/file_access_pack.h"
#import "device_metrics.h"
#import "godot_view.h"
#include "ios.h"
#import "keyboard_input_view.h"
#include "os_iphone.h"
#import "view_controller.h"
#import <Foundation/Foundation.h>
#import <sys/utsname.h>
static const float kDisplayServerIPhoneAcceleration = 1;
DisplayServerIPhone *DisplayServerIPhone::get_singleton() {
return (DisplayServerIPhone *)DisplayServer::get_singleton();
}
DisplayServerIPhone::DisplayServerIPhone(const String &p_rendering_driver, WindowMode p_mode, DisplayServer::VSyncMode p_vsync_mode, uint32_t p_flags, const Vector2i &p_resolution, Error &r_error) {
rendering_driver = p_rendering_driver;
#if defined(GLES3_ENABLED)
// FIXME: Add support for both OpenGL and Vulkan when OpenGL is implemented
// again,
if (rendering_driver == "opengl_es") {
bool gl_initialization_error = false;
// FIXME: Add Vulkan support via MoltenVK. Add fallback code back?
if (RasterizerGLES3::is_viable() == OK) {
RasterizerGLES3::register_config();
RasterizerGLES3::make_current();
} else {
gl_initialization_error = true;
}
if (gl_initialization_error) {
OS::get_singleton()->alert("Your device does not support any of the supported OpenGL versions.", "Unable to initialize video driver");
// return ERR_UNAVAILABLE;
}
// rendering_server = memnew(RenderingServerDefault);
// // FIXME: Reimplement threaded rendering
// if (get_render_thread_mode() != RENDER_THREAD_UNSAFE) {
// rendering_server = memnew(RenderingServerWrapMT(rendering_server,
// false));
// }
// rendering_server->init();
// rendering_server->cursor_set_visible(false, 0);
// reset this to what it should be, it will have been set to 0 after
// rendering_server->init() is called
// RasterizerStorageGLES3system_fbo = gl_view_base_fb;
}
#endif
#if defined(VULKAN_ENABLED)
rendering_driver = "vulkan";
context_vulkan = nullptr;
rendering_device_vulkan = nullptr;
if (rendering_driver == "vulkan") {
context_vulkan = memnew(VulkanContextIPhone);
if (context_vulkan->initialize() != OK) {
memdelete(context_vulkan);
context_vulkan = nullptr;
ERR_FAIL_MSG("Failed to initialize Vulkan context");
}
CALayer *layer = [AppDelegate.viewController.godotView initializeRenderingForDriver:@"vulkan"];
if (!layer) {
ERR_FAIL_MSG("Failed to create iOS rendering layer.");
}
Size2i size = Size2i(layer.bounds.size.width, layer.bounds.size.height) * screen_get_max_scale();
if (context_vulkan->window_create(MAIN_WINDOW_ID, p_vsync_mode, layer, size.width, size.height) != OK) {
memdelete(context_vulkan);
context_vulkan = nullptr;
ERR_FAIL_MSG("Failed to create Vulkan window.");
}
rendering_device_vulkan = memnew(RenderingDeviceVulkan);
rendering_device_vulkan->initialize(context_vulkan);
RendererCompositorRD::make_current();
}
#endif
bool keep_screen_on = bool(GLOBAL_DEF("display/window/energy_saving/keep_screen_on", true));
screen_set_keep_on(keep_screen_on);
Input::get_singleton()->set_event_dispatch_function(_dispatch_input_events);
r_error = OK;
}
DisplayServerIPhone::~DisplayServerIPhone() {
#if defined(VULKAN_ENABLED)
if (rendering_driver == "vulkan") {
if (rendering_device_vulkan) {
rendering_device_vulkan->finalize();
memdelete(rendering_device_vulkan);
rendering_device_vulkan = nullptr;
}
if (context_vulkan) {
context_vulkan->window_destroy(MAIN_WINDOW_ID);
memdelete(context_vulkan);
context_vulkan = nullptr;
}
}
#endif
}
DisplayServer *DisplayServerIPhone::create_func(const String &p_rendering_driver, WindowMode p_mode, DisplayServer::VSyncMode p_vsync_mode, uint32_t p_flags, const Vector2i &p_resolution, Error &r_error) {
return memnew(DisplayServerIPhone(p_rendering_driver, p_mode, p_vsync_mode, p_flags, p_resolution, r_error));
}
Vector<String> DisplayServerIPhone::get_rendering_drivers_func() {
Vector<String> drivers;
#if defined(VULKAN_ENABLED)
drivers.push_back("vulkan");
#endif
#if defined(GLES3_ENABLED)
drivers.push_back("opengl_es");
#endif
return drivers;
}
void DisplayServerIPhone::register_iphone_driver() {
register_create_function("iphone", create_func, get_rendering_drivers_func);
}
// MARK: Events
void DisplayServerIPhone::window_set_rect_changed_callback(const Callable &p_callable, WindowID p_window) {
window_resize_callback = p_callable;
}
void DisplayServerIPhone::window_set_window_event_callback(const Callable &p_callable, WindowID p_window) {
window_event_callback = p_callable;
}
void DisplayServerIPhone::window_set_input_event_callback(const Callable &p_callable, WindowID p_window) {
input_event_callback = p_callable;
}
void DisplayServerIPhone::window_set_input_text_callback(const Callable &p_callable, WindowID p_window) {
input_text_callback = p_callable;
}
void DisplayServerIPhone::window_set_drop_files_callback(const Callable &p_callable, WindowID p_window) {
// Probably not supported for iOS
}
void DisplayServerIPhone::process_events() {
}
void DisplayServerIPhone::_dispatch_input_events(const Ref<InputEvent> &p_event) {
DisplayServerIPhone::get_singleton()->send_input_event(p_event);
}
void DisplayServerIPhone::send_input_event(const Ref<InputEvent> &p_event) const {
_window_callback(input_event_callback, p_event);
}
void DisplayServerIPhone::send_input_text(const String &p_text) const {
_window_callback(input_text_callback, p_text);
}
void DisplayServerIPhone::send_window_event(DisplayServer::WindowEvent p_event) const {
_window_callback(window_event_callback, int(p_event));
}
void DisplayServerIPhone::_window_callback(const Callable &p_callable, const Variant &p_arg) const {
if (!p_callable.is_null()) {
const Variant *argp = &p_arg;
Variant ret;
Callable::CallError ce;
p_callable.call((const Variant **)&argp, 1, ret, ce);
}
}
// MARK: - Input
// MARK: Touches
void DisplayServerIPhone::touch_press(int p_idx, int p_x, int p_y, bool p_pressed, bool p_double_click) {
if (!GLOBAL_DEF("debug/disable_touch", false)) {
Ref<InputEventScreenTouch> ev;
ev.instantiate();
ev->set_index(p_idx);
ev->set_pressed(p_pressed);
ev->set_position(Vector2(p_x, p_y));
perform_event(ev);
}
};
void DisplayServerIPhone::touch_drag(int p_idx, int p_prev_x, int p_prev_y, int p_x, int p_y) {
if (!GLOBAL_DEF("debug/disable_touch", false)) {
Ref<InputEventScreenDrag> ev;
ev.instantiate();
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));
perform_event(ev);
};
};
void DisplayServerIPhone::perform_event(const Ref<InputEvent> &p_event) {
Input::get_singleton()->parse_input_event(p_event);
};
void DisplayServerIPhone::touches_cancelled(int p_idx) {
touch_press(p_idx, -1, -1, false, false);
};
// MARK: Keyboard
void DisplayServerIPhone::key(Key p_key, bool p_pressed) {
Ref<InputEventKey> ev;
ev.instantiate();
ev->set_echo(false);
ev->set_pressed(p_pressed);
ev->set_keycode(p_key);
ev->set_physical_keycode(p_key);
ev->set_unicode((char32_t)p_key);
perform_event(ev);
};
// MARK: Motion
void DisplayServerIPhone::update_gravity(float p_x, float p_y, float p_z) {
Input::get_singleton()->set_gravity(Vector3(p_x, p_y, p_z));
};
void DisplayServerIPhone::update_accelerometer(float p_x, float p_y, float p_z) {
// Found out the Z should not be negated! Pass as is!
Vector3 v_accelerometer = Vector3(
p_x / kDisplayServerIPhoneAcceleration,
p_y / kDisplayServerIPhoneAcceleration,
p_z / kDisplayServerIPhoneAcceleration);
Input::get_singleton()->set_accelerometer(v_accelerometer);
};
void DisplayServerIPhone::update_magnetometer(float p_x, float p_y, float p_z) {
Input::get_singleton()->set_magnetometer(Vector3(p_x, p_y, p_z));
};
void DisplayServerIPhone::update_gyroscope(float p_x, float p_y, float p_z) {
Input::get_singleton()->set_gyroscope(Vector3(p_x, p_y, p_z));
};
// MARK: -
bool DisplayServerIPhone::has_feature(Feature p_feature) const {
switch (p_feature) {
// case FEATURE_CONSOLE_WINDOW:
// case FEATURE_CURSOR_SHAPE:
// case FEATURE_CUSTOM_CURSOR_SHAPE:
// case FEATURE_GLOBAL_MENU:
// case FEATURE_HIDPI:
// case FEATURE_ICON:
// case FEATURE_IME:
// case FEATURE_MOUSE:
// case FEATURE_MOUSE_WARP:
// case FEATURE_NATIVE_DIALOG:
// case FEATURE_NATIVE_ICON:
// case FEATURE_WINDOW_TRANSPARENCY:
case FEATURE_CLIPBOARD:
case FEATURE_KEEP_SCREEN_ON:
case FEATURE_ORIENTATION:
case FEATURE_TOUCHSCREEN:
case FEATURE_VIRTUAL_KEYBOARD:
return true;
default:
return false;
}
}
String DisplayServerIPhone::get_name() const {
return "iPhone";
}
int DisplayServerIPhone::get_screen_count() const {
return 1;
}
Point2i DisplayServerIPhone::screen_get_position(int p_screen) const {
return Size2i();
}
Size2i DisplayServerIPhone::screen_get_size(int p_screen) const {
CALayer *layer = AppDelegate.viewController.godotView.renderingLayer;
if (!layer) {
return Size2i();
}
return Size2i(layer.bounds.size.width, layer.bounds.size.height) * screen_get_scale(p_screen);
}
Rect2i DisplayServerIPhone::screen_get_usable_rect(int p_screen) const {
if (@available(iOS 11, *)) {
UIEdgeInsets insets = UIEdgeInsetsZero;
UIView *view = AppDelegate.viewController.godotView;
if ([view respondsToSelector:@selector(safeAreaInsets)]) {
insets = [view safeAreaInsets];
}
float scale = screen_get_scale(p_screen);
Size2i insets_position = Size2i(insets.left, insets.top) * scale;
Size2i insets_size = Size2i(insets.left + insets.right, insets.top + insets.bottom) * scale;
return Rect2i(screen_get_position(p_screen) + insets_position, screen_get_size(p_screen) - insets_size);
} else {
return Rect2i(screen_get_position(p_screen), screen_get_size(p_screen));
}
}
int DisplayServerIPhone::screen_get_dpi(int p_screen) const {
struct utsname systemInfo;
uname(&systemInfo);
NSString *string = [NSString stringWithCString:systemInfo.machine encoding:NSUTF8StringEncoding];
NSDictionary *iOSModelToDPI = [GodotDeviceMetrics dpiList];
for (NSArray *keyArray in iOSModelToDPI) {
if ([keyArray containsObject:string]) {
NSNumber *value = iOSModelToDPI[keyArray];
return [value intValue];
}
}
// If device wasn't found in dictionary
// make a best guess from device metrics.
CGFloat scale = [UIScreen mainScreen].scale;
UIUserInterfaceIdiom idiom = [UIDevice currentDevice].userInterfaceIdiom;
switch (idiom) {
case UIUserInterfaceIdiomPad:
return scale == 2 ? 264 : 132;
case UIUserInterfaceIdiomPhone: {
if (scale == 3) {
CGFloat nativeScale = [UIScreen mainScreen].nativeScale;
return nativeScale == 3 ? 458 : 401;
}
return 326;
}
default:
return 72;
}
}
float DisplayServerIPhone::screen_get_scale(int p_screen) const {
return [UIScreen mainScreen].nativeScale;
}
Vector<DisplayServer::WindowID> DisplayServerIPhone::get_window_list() const {
Vector<DisplayServer::WindowID> list;
list.push_back(MAIN_WINDOW_ID);
return list;
}
DisplayServer::WindowID DisplayServerIPhone::get_window_at_screen_position(const Point2i &p_position) const {
return MAIN_WINDOW_ID;
}
void DisplayServerIPhone::window_attach_instance_id(ObjectID p_instance, WindowID p_window) {
window_attached_instance_id = p_instance;
}
ObjectID DisplayServerIPhone::window_get_attached_instance_id(WindowID p_window) const {
return window_attached_instance_id;
}
void DisplayServerIPhone::window_set_title(const String &p_title, WindowID p_window) {
// Probably not supported for iOS
}
int DisplayServerIPhone::window_get_current_screen(WindowID p_window) const {
return SCREEN_OF_MAIN_WINDOW;
}
void DisplayServerIPhone::window_set_current_screen(int p_screen, WindowID p_window) {
// Probably not supported for iOS
}
Point2i DisplayServerIPhone::window_get_position(WindowID p_window) const {
return Point2i();
}
void DisplayServerIPhone::window_set_position(const Point2i &p_position, WindowID p_window) {
// Probably not supported for single window iOS app
}
void DisplayServerIPhone::window_set_transient(WindowID p_window, WindowID p_parent) {
// Probably not supported for iOS
}
void DisplayServerIPhone::window_set_max_size(const Size2i p_size, WindowID p_window) {
// Probably not supported for iOS
}
Size2i DisplayServerIPhone::window_get_max_size(WindowID p_window) const {
return Size2i();
}
void DisplayServerIPhone::window_set_min_size(const Size2i p_size, WindowID p_window) {
// Probably not supported for iOS
}
Size2i DisplayServerIPhone::window_get_min_size(WindowID p_window) const {
return Size2i();
}
void DisplayServerIPhone::window_set_size(const Size2i p_size, WindowID p_window) {
// Probably not supported for iOS
}
Size2i DisplayServerIPhone::window_get_size(WindowID p_window) const {
CGRect screenBounds = [UIScreen mainScreen].bounds;
return Size2i(screenBounds.size.width, screenBounds.size.height) * screen_get_max_scale();
}
Size2i DisplayServerIPhone::window_get_real_size(WindowID p_window) const {
return window_get_size(p_window);
}
void DisplayServerIPhone::window_set_mode(WindowMode p_mode, WindowID p_window) {
// Probably not supported for iOS
}
DisplayServer::WindowMode DisplayServerIPhone::window_get_mode(WindowID p_window) const {
return WindowMode::WINDOW_MODE_FULLSCREEN;
}
bool DisplayServerIPhone::window_is_maximize_allowed(WindowID p_window) const {
return false;
}
void DisplayServerIPhone::window_set_flag(WindowFlags p_flag, bool p_enabled, WindowID p_window) {
// Probably not supported for iOS
}
bool DisplayServerIPhone::window_get_flag(WindowFlags p_flag, WindowID p_window) const {
return false;
}
void DisplayServerIPhone::window_request_attention(WindowID p_window) {
// Probably not supported for iOS
}
void DisplayServerIPhone::window_move_to_foreground(WindowID p_window) {
// Probably not supported for iOS
}
float DisplayServerIPhone::screen_get_max_scale() const {
return screen_get_scale(SCREEN_OF_MAIN_WINDOW);
};
void DisplayServerIPhone::screen_set_orientation(DisplayServer::ScreenOrientation p_orientation, int p_screen) {
screen_orientation = p_orientation;
}
DisplayServer::ScreenOrientation DisplayServerIPhone::screen_get_orientation(int p_screen) const {
return screen_orientation;
}
bool DisplayServerIPhone::window_can_draw(WindowID p_window) const {
return true;
}
bool DisplayServerIPhone::can_any_window_draw() const {
return true;
}
bool DisplayServerIPhone::screen_is_touchscreen(int p_screen) const {
return true;
}
void DisplayServerIPhone::virtual_keyboard_show(const String &p_existing_text, const Rect2 &p_screen_rect, bool p_multiline, int p_max_length, int p_cursor_start, int p_cursor_end) {
NSString *existingString = [[NSString alloc] initWithUTF8String:p_existing_text.utf8().get_data()];
[AppDelegate.viewController.keyboardView
becomeFirstResponderWithString:existingString
multiline:p_multiline
cursorStart:p_cursor_start
cursorEnd:p_cursor_end];
}
void DisplayServerIPhone::virtual_keyboard_hide() {
[AppDelegate.viewController.keyboardView resignFirstResponder];
}
void DisplayServerIPhone::virtual_keyboard_set_height(int height) {
virtual_keyboard_height = height * screen_get_max_scale();
}
int DisplayServerIPhone::virtual_keyboard_get_height() const {
return virtual_keyboard_height;
}
void DisplayServerIPhone::clipboard_set(const String &p_text) {
[UIPasteboard generalPasteboard].string = [NSString stringWithUTF8String:p_text.utf8()];
}
String DisplayServerIPhone::clipboard_get() const {
NSString *text = [UIPasteboard generalPasteboard].string;
return String::utf8([text UTF8String]);
}
void DisplayServerIPhone::screen_set_keep_on(bool p_enable) {
[UIApplication sharedApplication].idleTimerDisabled = p_enable;
}
bool DisplayServerIPhone::screen_is_kept_on() const {
return [UIApplication sharedApplication].idleTimerDisabled;
}
void DisplayServerIPhone::resize_window(CGSize viewSize) {
Size2i size = Size2i(viewSize.width, viewSize.height) * screen_get_max_scale();
#if defined(VULKAN_ENABLED)
if (rendering_driver == "vulkan") {
if (context_vulkan) {
context_vulkan->window_resize(MAIN_WINDOW_ID, size.x, size.y);
}
}
#endif
Variant resize_rect = Rect2i(Point2i(), size);
_window_callback(window_resize_callback, resize_rect);
}
void DisplayServerIPhone::window_set_vsync_mode(DisplayServer::VSyncMode p_vsync_mode, WindowID p_window) {
_THREAD_SAFE_METHOD_
#if defined(VULKAN_ENABLED)
context_vulkan->set_vsync_mode(p_window, p_vsync_mode);
#endif
}
DisplayServer::VSyncMode DisplayServerIPhone::window_get_vsync_mode(WindowID p_window) const {
_THREAD_SAFE_METHOD_
#if defined(VULKAN_ENABLED)
return context_vulkan->get_vsync_mode(p_window);
#else
return DisplayServer::VSYNC_ENABLED;
#endif
}