eden/src/ios/EmulationView.swift
2026-04-30 16:00:30 +00:00

559 lines
22 KiB
Swift

// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
// SPDX-FileCopyrightText: Copyright 2024 Pomelo, Stossy11
// SPDX-License-Identifier: GPL-3.0-or-later
import SwiftUI
import Foundation
import GameController
import UIKit
import Metal
struct MetalView: UIViewRepresentable {
let device: MTLDevice?
let configure: (UIView) -> Void
func makeUIView(context: Context) -> EmulationScreenView {
let view = EmulationScreenView()
configure(view.primaryScreen)
return view
}
func updateUIView(_ uiView: EmulationScreenView, context: Context) {
//
}
}
struct ControllerView: View {
let appui = AppUI.shared
@State var isPressed = false
@State var controllerconnected = false
@State private var x: CGFloat = 0.0
@State private var y: CGFloat = 0.0
@Environment(\.presentationMode) var presentationMode
var body: some View {
GeometryReader { geometry in
ZStack {
if !controllerconnected {
OnScreenController(geometry: geometry) // i did this to clean it up as it was quite long lmfao
}
}
}
.onAppear {
print("checking for controller:")
controllerconnected = false
DispatchQueue.main.async {
setupControllers() // i dont know what half of this shit does
}
}
}
// Add a dictionary to track controller IDs
@State var controllerIDs: [GCController: Int] = [:]
private func setupControllers() {
NotificationCenter.default.addObserver(forName: .GCControllerDidConnect, object: nil, queue: .main) { notification in
if let controller = notification.object as? GCController {
print("wow controller onstart") // yippeeee
self.setupController(controller)
self.controllerconnected = true
} else {
print("not GCController :((((((") // wahhhhhhh
}
}
NotificationCenter.default.addObserver(forName: .GCControllerDidDisconnect, object: nil, queue: .main) { notification in
if let controller = notification.object as? GCController {
print("wow controller gone")
if self.controllerIDs.isEmpty {
controllerconnected = false
}
self.controllerIDs.removeValue(forKey: controller) // Remove the controller ID
}
}
GCController.controllers().forEach { controller in
print("wow controller")
self.controllerconnected = true
self.setupController(controller)
}
}
private func setupController(_ controller: GCController) {
// Assign a unique ID to the controller, max 5 controllers
if controllerIDs.count < 6, controllerIDs[controller] == nil {
controllerIDs[controller] = controllerIDs.count
}
guard let controllerId = controllerIDs[controller] else { return }
if let extendedGamepad = controller.extendedGamepad {
// Handle extended gamepad
extendedGamepad.dpad.up.pressedChangedHandler = { button, value, pressed in
pressed ? self.touchDown(.directionalPadUp, controllerId: controllerId) : self.touchUpInside(.directionalPadUp, controllerId: controllerId)
}
extendedGamepad.dpad.down.pressedChangedHandler = { button, value, pressed in
pressed ? self.touchDown(.directionalPadDown, controllerId: controllerId) : self.touchUpInside(.directionalPadDown, controllerId: controllerId)
}
extendedGamepad.dpad.left.pressedChangedHandler = { button, value, pressed in
pressed ? self.touchDown(.directionalPadLeft, controllerId: controllerId) : self.touchUpInside(.directionalPadLeft, controllerId: controllerId)
}
extendedGamepad.dpad.right.pressedChangedHandler = { button, value, pressed in
pressed ? self.touchDown(.directionalPadRight, controllerId: controllerId) : self.touchUpInside(.directionalPadRight, controllerId: controllerId)
}
extendedGamepad.buttonOptions?.pressedChangedHandler = { button, value, pressed in
pressed ? self.touchDown(.minus, controllerId: controllerId) : self.touchUpInside(.minus, controllerId: controllerId)
}
extendedGamepad.buttonMenu.pressedChangedHandler = { button, value, pressed in
pressed ? self.touchDown(.plus, controllerId: controllerId) : self.touchUpInside(.plus, controllerId: controllerId)
}
extendedGamepad.buttonA.pressedChangedHandler = { button, value, pressed in
pressed ? self.touchDown(.A, controllerId: controllerId) : self.touchUpInside(.A, controllerId: controllerId)
}
extendedGamepad.buttonB.pressedChangedHandler = { button, value, pressed in
pressed ? self.touchDown(.B, controllerId: controllerId) : self.touchUpInside(.B, controllerId: controllerId)
}
extendedGamepad.buttonX.pressedChangedHandler = { button, value, pressed in
pressed ? self.touchDown(.X, controllerId: controllerId) : self.touchUpInside(.X, controllerId: controllerId)
}
extendedGamepad.buttonY.pressedChangedHandler = { button, value, pressed in
pressed ? self.touchDown(.Y, controllerId: controllerId) : self.touchUpInside(.Y, controllerId: controllerId)
}
extendedGamepad.leftShoulder.pressedChangedHandler = { button, value, pressed in
pressed ? self.touchDown(.triggerL, controllerId: controllerId) : self.touchUpInside(.L, controllerId: controllerId)
}
extendedGamepad.leftTrigger.pressedChangedHandler = { button, value, pressed in
pressed ? self.touchDown(.triggerZL, controllerId: controllerId) : self.touchUpInside(.triggerZL, controllerId: controllerId)
}
extendedGamepad.rightShoulder.pressedChangedHandler = { button, value, pressed in
pressed ? self.touchDown(.triggerR, controllerId: controllerId) : self.touchUpInside(.triggerR, controllerId: controllerId)
}
extendedGamepad.leftThumbstickButton?.pressedChangedHandler = { button, value, pressed in
pressed ? self.touchDown(.L, controllerId: controllerId) : self.touchUpInside(.triggerR, controllerId: controllerId)
}
extendedGamepad.rightThumbstickButton?.pressedChangedHandler = { button, value, pressed in
pressed ? self.touchDown(.R, controllerId: controllerId) : self.touchUpInside(.triggerR, controllerId: controllerId)
}
extendedGamepad.rightTrigger.pressedChangedHandler = { button, value, pressed in
pressed ? self.touchDown(.triggerZR, controllerId: controllerId) : self.touchUpInside(.triggerZR, controllerId: controllerId)
}
extendedGamepad.buttonHome?.pressedChangedHandler = { button, value, pressed in
if pressed {
appui.exit()
presentationMode.wrappedValue.dismiss()
}
}
extendedGamepad.leftThumbstick.valueChangedHandler = { dpad, x, y in
self.appui.thumbstickMoved(analog: .left, x: x, y: y, controllerid: controllerId)
}
extendedGamepad.rightThumbstick.valueChangedHandler = { dpad, x, y in
self.appui.thumbstickMoved(analog: .right, x: x, y: y, controllerid: controllerId)
}
if let motion = controller.motion {
var lastTimestamp = Date().timeIntervalSince1970 // Initialize timestamp when motion starts
motion.valueChangedHandler = { motion in
// Get current time
let currentTimestamp = Date().timeIntervalSince1970
// Update last timestamp
lastTimestamp = currentTimestamp
// Get gyroscope data
let gyroX = motion.rotationRate.x
let gyroY = motion.rotationRate.y
let gyroZ = motion.rotationRate.z
// Get accelerometer data
let accelX = motion.gravity.x + motion.userAcceleration.x
let accelY = motion.gravity.y + motion.userAcceleration.y
let accelZ = motion.gravity.z + motion.userAcceleration.z
print("\(gyroX), \(gyroY), \(gyroZ), \(accelX), \(accelY), \(accelZ)")
// Call your gyroMoved function with the motion data
appui.gyroMoved(x: Float(gyroX), y: Float(gyroY), z: Float(gyroZ), accelX: Float(accelX), accelY: Float(accelY), accelZ: Float(accelZ), controllerId: Int32(controllerId), deltaTimestamp: Int32(lastTimestamp))
}
}
} else if let microGamepad = controller.microGamepad {
// Handle micro gamepad
microGamepad.dpad.up.pressedChangedHandler = { button, value, pressed in
pressed ? self.touchDown(.directionalPadUp, controllerId: controllerId) : self.touchUpInside(.directionalPadUp, controllerId: controllerId)
}
microGamepad.dpad.down.pressedChangedHandler = { button, value, pressed in
pressed ? self.touchDown(.directionalPadDown, controllerId: controllerId) : self.touchUpInside(.directionalPadDown, controllerId: controllerId)
}
microGamepad.dpad.left.pressedChangedHandler = { button, value, pressed in
pressed ? self.touchDown(.directionalPadLeft, controllerId: controllerId) : self.touchUpInside(.directionalPadLeft, controllerId: controllerId)
}
microGamepad.dpad.right.pressedChangedHandler = { button, value, pressed in
pressed ? self.touchDown(.directionalPadRight, controllerId: controllerId) : self.touchUpInside(.directionalPadRight, controllerId: controllerId)
}
microGamepad.buttonA.pressedChangedHandler = { button, value, pressed in
pressed ? self.touchDown(.A, controllerId: controllerId) : self.touchUpInside(.A, controllerId: controllerId)
}
microGamepad.buttonX.pressedChangedHandler = { button, value, pressed in
pressed ? self.touchDown(.X, controllerId: controllerId) : self.touchUpInside(.X, controllerId: controllerId)
}
}
}
private func touchDown(_ button: VirtualControllerButtonType, controllerId: Int) {
appui.virtualControllerButtonDown(button: button, controllerid: controllerId) }
private func touchUpInside(_ button: VirtualControllerButtonType, controllerId: Int) {
appui.virtualControllerButtonUp(button: button, controllerid: controllerId)
}
}
struct OnScreenController: View {
@State var geometry: GeometryProxy
var body: some View {
if geometry.size.height > geometry.size.width && UIDevice.current.userInterfaceIdiom != .pad {
// portrait
VStack {
Spacer()
VStack {
HStack {
VStack {
ShoulderButtonsViewLeft()
ZStack {
Joystick()
DPadView()
}
}
.padding()
VStack {
ShoulderButtonsViewRight()
ZStack {
Joystick(iscool: true) // hope this works
ABXYView()
}
}
.padding()
}
HStack {
ButtonView(button: .plus).padding(.horizontal, 40)
ButtonView(button: .minus).padding(.horizontal, 40)
}
}
.padding(.bottom, geometry.size.height / 3.2) // very broken
}
} else {
// could be landscape
VStack {
HStack {
Spacer()
ButtonView(button: .home)
.padding(.horizontal)
}
Spacer()
VStack {
HStack {
// gotta fuckin add + and - now
VStack {
ShoulderButtonsViewLeft()
ZStack {
Joystick()
DPadView()
}
}
HStack {
Spacer()
VStack {
Spacer()
ButtonView(button: .plus) // Adding the + button
}
VStack {
Spacer()
ButtonView(button: .minus) // Adding the - button
}
Spacer()
}
VStack {
ShoulderButtonsViewRight()
ZStack {
Joystick(iscool: true) // hope this work s
ABXYView()
}
}
}
}
.padding(.bottom, geometry.size.height / 11) // also extremally broken (
}
}
}
}
struct ShoulderButtonsViewLeft: View {
var body: some View {
HStack {
ButtonView(button: .triggerZL).padding(.horizontal)
ButtonView(button: .triggerL).padding(.horizontal)
}
.frame(width: 160, height: 20)
}
}
struct ShoulderButtonsViewRight: View {
var body: some View {
HStack {
ButtonView(button: .triggerR).padding(.horizontal)
ButtonView(button: .triggerZR).padding(.horizontal)
}
.frame(width: 160, height: 20)
}
}
struct DPadView: View {
var body: some View {
VStack {
ButtonView(button: .directionalPadUp)
HStack {
ButtonView(button: .directionalPadLeft)
Spacer(minLength: 20)
ButtonView(button: .directionalPadRight)
}
ButtonView(button: .directionalPadDown).padding(.horizontal)
}
.frame(width: 145, height: 145)
}
}
struct ABXYView: View {
var body: some View {
VStack {
ButtonView(button: .X)
HStack {
ButtonView(button: .Y)
Spacer(minLength: 20)
ButtonView(button: .A)
}
ButtonView(button: .B).padding(.horizontal)
}
.frame(width: 145, height: 145)
}
}
class Haptics {
static let shared = Haptics()
private init() { }
func play(_ feedbackStyle: UIImpactFeedbackGenerator.FeedbackStyle) {
print("haptics")
UIImpactFeedbackGenerator(style: feedbackStyle).impactOccurred()
}
func notify(_ feedbackType: UINotificationFeedbackGenerator.FeedbackType) {
UINotificationFeedbackGenerator().notificationOccurred(feedbackType)
}
}
struct ButtonView: View {
var button: VirtualControllerButtonType
@StateObject private var viewModel: EmulationViewModel = EmulationViewModel(game: nil)
let appui = AppUI.shared
@State var mtkView: MTKView?
@State var width: CGFloat = 45
@State var height: CGFloat = 45
@State var isPressed = false
var id: Int {
if onscreenjoy {
return 8
}
return 0
}
@AppStorage("onscreenhandheld") var onscreenjoy: Bool = false
@Environment(\.colorScheme) var colorScheme
@Environment(\.presentationMode) var presentationMode
var body: some View {
Image(systemName: buttonText)
.resizable()
.frame(width: width, height: height)
.foregroundColor(colorScheme == .dark ? Color.gray : Color.gray)
.opacity(isPressed ? 0.5 : 1)
.gesture(
DragGesture(minimumDistance: 0)
.onChanged { _ in
if !self.isPressed {
self.isPressed = true
DispatchQueue.main.async {
if button == .home {
presentationMode.wrappedValue.dismiss()
appui.exit()
} else {
appui.virtualControllerButtonDown(button: button, controllerid: id)
Haptics.shared.play(.heavy)
}
}
}
}
.onEnded { _ in
self.isPressed = false
DispatchQueue.main.async {
if button != .home {
appui.virtualControllerButtonUp(button: button, controllerid: id)
}
}
}
)
.onAppear() {
if button == .triggerL || button == .triggerZL || button == .triggerZR || button == .triggerR {
width = 65
}
if button == .minus || button == .plus || button == .home {
width = 35
height = 35
}
}
}
private var buttonText: String {
switch button {
case .A: return "a.circle.fill"
case .B: return "b.circle.fill"
case .X: return "x.circle.fill"
case .Y: return "y.circle.fill"
case .directionalPadUp: return "arrowtriangle.up.circle.fill"
case .directionalPadDown: return "arrowtriangle.down.circle.fill"
case .directionalPadLeft: return "arrowtriangle.left.circle.fill"
case .directionalPadRight: return "arrowtriangle.right.circle.fill"
case .triggerZL: return"zl.rectangle.roundedtop.fill"
case .triggerZR: return "zr.rectangle.roundedtop.fill"
case .triggerL: return "l.rectangle.roundedbottom.fill"
case .triggerR: return "r.rectangle.roundedbottom.fill"
case .plus: return "plus.circle.fill"
case .minus: return "minus.circle.fill"
case .home: return "house.circle.fill"
default: return ""
}
}
}
struct EmulationView: View {
@StateObject private var viewModel: EmulationViewModel
@State var controllerconnected = false
@State var appui = AppUI.shared
var device: MTLDevice? = MTLCreateSystemDefaultDevice()
@State var CaLayer: CAMetalLayer?
@State var ShowPopup: Bool = false
@State var mtkview: MTKView?
@State private var thread: Thread!
@State var uiTabBarController: UITabBarController?
@State private var isFirstFrameShown = false
@State private var timer: Timer?
@Environment(\.scenePhase) var scenePhase
init(game: EmulationGame?) {
_viewModel = StateObject(wrappedValue: EmulationViewModel(game: game))
}
var body: some View {
ZStack {
MetalView(device: device) { view in
DispatchQueue.main.async {
if let metalView = view as? MTKView {
mtkview = metalView
viewModel.configureAppUI(with: metalView)
} else {
print("Error: view is not of type MTKView")
}
}
}
.onRotate { size in
viewModel.handleOrientationChange()
}
ControllerView()
}
.overlay(
// Loading screen overlay on top of MetalView
Group {
if !isFirstFrameShown {
LoadingView()
}
}
.transition(.opacity)
)
.onAppear {
UIApplication.shared.isIdleTimerDisabled = true
startPollingFirstFrameShowed()
}
.onDisappear {
stopPollingFirstFrameShowed()
uiTabBarController?.tabBar.isHidden = false
viewModel.customButtonTapped()
}
.navigationBarBackButtonHidden(true)
// .introspect(.tabView, on: .iOS(.v13, .v14, .v15, .v16, .v17)) { (tabBarController) in
// tabBarController.tabBar.isHidden = true
// uiTabBarController = tabBarController
// }
}
private func startPollingFirstFrameShowed() {
timer = Timer.scheduledTimer(withTimeInterval: 0.1, repeats: true) { _ in
if appui.FirstFrameShowed() {
withAnimation {
isFirstFrameShown = true
}
stopPollingFirstFrameShowed()
}
}
}
private func stopPollingFirstFrameShowed() {
timer?.invalidate()
timer = nil
print("Timer Invalidated")
}
}
struct LoadingView: View {
var body: some View {
VStack {
ProgressView("Loading...")
// .font(.system(size: 90))
.progressViewStyle(CircularProgressViewStyle())
.padding()
Text("Please wait while the game loads.")
}
.frame(maxWidth: .infinity, maxHeight: .infinity)
.background(Color.black.opacity(0.8))
.foregroundColor(.white)
}
}
extension View {
func onRotate(perform action: @escaping (CGSize) -> Void) -> some View {
self.modifier(DeviceRotationModifier(action: action))
}
}
struct DeviceRotationModifier: ViewModifier {
let action: (CGSize) -> Void
@State var startedfirst: Bool = false
func body(content: Content) -> some View { content
.background(GeometryReader { geometry in
Color.clear
.preference(key: SizePreferenceKey.self, value: geometry.size)
})
.onPreferenceChange(SizePreferenceKey.self) { newSize in
if startedfirst {
action(newSize)
} else {
startedfirst = true
}
}
}
}
struct SizePreferenceKey: PreferenceKey {
static var defaultValue: CGSize = .zero
static func reduce(value: inout CGSize, nextValue: () -> CGSize) {
value = nextValue()
}
}