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Diffstat (limited to 'projects/VS2017.UWP/raylib.App.UWP/BaseApp.h')
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1 files changed, 567 insertions, 0 deletions
diff --git a/projects/VS2017.UWP/raylib.App.UWP/BaseApp.h b/projects/VS2017.UWP/raylib.App.UWP/BaseApp.h new file mode 100644 index 00000000..e27909e2 --- /dev/null +++ b/projects/VS2017.UWP/raylib.App.UWP/BaseApp.h @@ -0,0 +1,567 @@ +/********************************************************************************************** +* +* raylib.BaseApp - UWP App generic code for managing interface between C and C++ +* +* LICENSE: zlib/libpng +* +* CONFIGURATION: +* +* #define PCH +* This defines what header is the PCH and needs to be included +* +* #define HOLDHACK +* This enables a hack to fix flickering key presses (Temporary) +* +* Copyright (c) 2013-2019 Ramon Santamaria (@raysan5) +* +* This software is provided "as-is", without any express or implied warranty. In no event +* will the authors be held liable for any damages arising from the use of this software. +* +* Permission is granted to anyone to use this software for any purpose, including commercial +* applications, and to alter it and redistribute it freely, subject to the following restrictions: +* +* 1. The origin of this software must not be misrepresented; you must not claim that you +* wrote the original software. If you use this software in a product, an acknowledgment +* in the product documentation would be appreciated but is not required. +* +* 2. Altered source versions must be plainly marked as such, and must not be misrepresented +* as being the original software. +* +* 3. This notice may not be removed or altered from any source distribution. +* +**********************************************************************************************/ + +#pragma once + +#if defined(PCH) +#include PCH +#endif + +#include <chrono> +#include <memory> +#include <wrl.h> + +//EGL +#include <EGL/eglplatform.h> + +#include "raylib.h" +#include "utils.h" + +using namespace Windows::ApplicationModel::Core; +using namespace Windows::ApplicationModel::Activation; +using namespace Windows::UI::Core; +using namespace Windows::UI::Input; +using namespace Windows::Devices::Input; +using namespace Windows::Foundation; +using namespace Windows::Foundation::Collections; +using namespace Windows::Gaming::Input; +using namespace Windows::Graphics::Display; +using namespace Microsoft::WRL; +using namespace Platform; + +extern "C" { EGLNativeWindowType uwpWindow; }; + +/* +TODO list: + - Cache reference to our CoreWindow? + - Implement gestures support +*/ + +// Stand-ins for "core.c" variables +#define MAX_GAMEPADS 4 // Max number of gamepads supported +#define MAX_GAMEPAD_BUTTONS 32 // Max bumber of buttons supported (per gamepad) +#define MAX_GAMEPAD_AXIS 8 // Max number of axis supported (per gamepad) + +//Mouse cursor locking +bool cursorLocked = false; +Vector2 mouseDelta = {0, 0}; + +//Our mouse cursor +CoreCursor ^regularCursor = ref new CoreCursor(CoreCursorType::Arrow, 0); // The "visible arrow" cursor type + +//Base app implementation +ref class BaseApp : public Windows::ApplicationModel::Core::IFrameworkView +{ +public: + + // IFrameworkView Methods. + virtual void Initialize(Windows::ApplicationModel::Core::CoreApplicationView^ applicationView) + { + // Register event handlers for app lifecycle. This example includes Activated, so that we + // can make the CoreWindow active and start rendering on the window. + applicationView->Activated += ref new TypedEventHandler<CoreApplicationView^, IActivatedEventArgs^>(this, &BaseApp::OnActivated); + + // Logic for other event handlers could go here. + // Information about the Suspending and Resuming event handlers can be found here: + // http://msdn.microsoft.com/en-us/library/windows/apps/xaml/hh994930.aspx + + CoreApplication::Resuming += ref new EventHandler<Platform::Object^>(this, &BaseApp::OnResuming); + } + + virtual void SetWindow(Windows::UI::Core::CoreWindow^ window) + { + window->SizeChanged += ref new TypedEventHandler<CoreWindow^, WindowSizeChangedEventArgs^>(this, &BaseApp::OnWindowSizeChanged); + window->VisibilityChanged += ref new TypedEventHandler<CoreWindow^, VisibilityChangedEventArgs^>(this, &BaseApp::OnVisibilityChanged); + window->Closed += ref new TypedEventHandler<CoreWindow^, CoreWindowEventArgs^>(this, &BaseApp::OnWindowClosed); + + window->PointerPressed += ref new TypedEventHandler<CoreWindow^, PointerEventArgs^>(this, &BaseApp::PointerPressed); + window->PointerWheelChanged += ref new TypedEventHandler<CoreWindow^, PointerEventArgs^>(this, &BaseApp::PointerWheelChanged); + window->KeyDown += ref new TypedEventHandler<CoreWindow ^, KeyEventArgs ^>(this, &BaseApp::OnKeyDown); + window->KeyUp += ref new TypedEventHandler<CoreWindow ^, KeyEventArgs ^>(this, &BaseApp::OnKeyUp); + + Windows::Devices::Input::MouseDevice::GetForCurrentView()->MouseMoved += ref new TypedEventHandler<MouseDevice^, MouseEventArgs^>(this, &BaseApp::MouseMoved); + + DisplayInformation^ currentDisplayInformation = DisplayInformation::GetForCurrentView(); + currentDisplayInformation->DpiChanged += ref new TypedEventHandler<DisplayInformation^, Object^>(this, &BaseApp::OnDpiChanged); + currentDisplayInformation->OrientationChanged += ref new TypedEventHandler<DisplayInformation^, Object^>(this, &BaseApp::OnOrientationChanged); + + // The CoreWindow has been created, so EGL can be initialized. + + uwpWindow = (EGLNativeWindowType)window; + + InitWindow(width, height, NULL); + } + + virtual void Load(Platform::String^ entryPoint) {} + + void Setup(int width, int height) + { + //Set dimensions + this->width = width; + this->height = height; + } + + virtual void Run() + { + //Get display dimensions + DisplayInformation^ dInfo = DisplayInformation::GetForCurrentView(); + Vector2 screenSize = { dInfo->ScreenWidthInRawPixels, dInfo->ScreenHeightInRawPixels }; + + //Send display dimensions + UWPMessage* msg = CreateUWPMessage(); + msg->Type = SetDisplayDims; + msg->Vector0 = screenSize; + UWPSendMessage(msg); + + //Send the time to the core + using clock = std::chrono::high_resolution_clock; + auto timeStart = clock::now(); + + //Set fps if 0 + if (GetFPS() <= 0) + SetTargetFPS(60); + + while (!mWindowClosed) + { + if (mWindowVisible) + { + //Send time + auto delta = clock::now() - timeStart; + + UWPMessage* timeMsg = CreateUWPMessage(); + timeMsg->Type = SetGameTime; + timeMsg->Double0 = std::chrono::duration_cast<std::chrono::seconds>(delta).count(); + UWPSendMessage(timeMsg); + + //Call update function + Update(); + + PollInput(); + + CoreWindow::GetForCurrentThread()->Dispatcher->ProcessEvents(CoreProcessEventsOption::ProcessAllIfPresent); + } + else + { + CoreWindow::GetForCurrentThread()->Dispatcher->ProcessEvents(CoreProcessEventsOption::ProcessOneAndAllPending); + } + } + + CloseWindow(); + } + + //Called every frame (Maybe add draw) + virtual void Update() {} + + virtual void Uninitialize() {} + +protected: + + // Input polling + void PollInput() + { + // Process Messages + { + //Loop over pending messages + while (UWPHasMessages()) + { + //Get the message + auto msg = UWPGetMessage(); + + //Carry out the command + switch(msg->Type) + { + case ShowMouse: //Do the same thing because of how UWP works... + case UnlockMouse: + { + CoreWindow::GetForCurrentThread()->PointerCursor = regularCursor; + cursorLocked = false; + MoveMouse(GetMousePosition()); + break; + } + case HideMouse: //Do the same thing because of how UWP works... + case LockMouse: + { + CoreWindow::GetForCurrentThread()->PointerCursor = nullptr; + cursorLocked = true; + break; + } + case SetMouseLocation: + { + MoveMouse(msg->Vector0); + break; + } + } + + //Delete the message + DeleteUWPMessage(msg); + } + } + + // Process Keyboard + { + for (int k = 0x08; k < 0xA6; k++) { + auto state = CoreWindow::GetForCurrentThread()->GetKeyState((Windows::System::VirtualKey) k); + +#ifdef HOLDHACK + //Super hacky way of waiting three frames to see if we are ready to register the key as deregistered + //This will wait an entire 4 frames before deregistering the key, this makes sure that the key is not flickering + if (KeyboardStateHack[k] == 2) + { + if ((state & CoreVirtualKeyStates::None) == CoreVirtualKeyStates::None) + { + KeyboardStateHack[k] = 3; + } + } + else if (KeyboardStateHack[k] == 3) + { + if ((state & CoreVirtualKeyStates::None) == CoreVirtualKeyStates::None) + { + KeyboardStateHack[k] = 4; + } + } + else if (KeyboardStateHack[k] == 4) + { + if ((state & CoreVirtualKeyStates::None) == CoreVirtualKeyStates::None) + { + //Reset key... + KeyboardStateHack[k] = 0; + + //Tell core + RegisterKey(k, 0); + } + } +#endif + //Left and right alt, KeyUp and KeyDown are not called for it + //No need to hack because this is not a character + + //TODO: Maybe do all other key registrations like this, no more key events? + + if (k == 0xA4 || k == 0xA5) + { + if ((state & CoreVirtualKeyStates::Down) == CoreVirtualKeyStates::Down) + { + RegisterKey(k, 1); + } + else + { + RegisterKey(k, 0); + } + } + } + } + + // Process Mouse + { + + if (CurrentPointerID > -1) { + auto point = PointerPoint::GetCurrentPoint(CurrentPointerID); + auto props = point->Properties; + + if (props->IsLeftButtonPressed) + { + RegisterClick(MOUSE_LEFT_BUTTON, 1); + } + else + { + RegisterClick(MOUSE_LEFT_BUTTON, 0); + } + + if (props->IsRightButtonPressed) + { + RegisterClick(MOUSE_RIGHT_BUTTON, 1); + } + else + { + RegisterClick(MOUSE_RIGHT_BUTTON, 0); + } + + if (props->IsMiddleButtonPressed) + { + RegisterClick(MOUSE_MIDDLE_BUTTON, 1); + } + else + { + RegisterClick(MOUSE_MIDDLE_BUTTON, 0); + } + } + + CoreWindow ^window = CoreWindow::GetForCurrentThread(); + + if (cursorLocked) + { + // Track cursor movement delta, recenter it on the client + auto curMousePos = GetMousePosition(); + + auto x = curMousePos.x + mouseDelta.x; + auto y = curMousePos.y + mouseDelta.y; + + UpdateMousePosition({ x, y }); + + // Why we're not using UWPSetMousePosition here... + // UWPSetMousePosition changes the "mousePosition" variable to match where the cursor actually is. + // Our cursor is locked to the middle of screen, and we don't want that reflected in "mousePosition" + Vector2 centerClient = { (float)(GetScreenWidth() / 2), (float)(GetScreenHeight() / 2) }; + window->PointerPosition = Point(centerClient.x + window->Bounds.X, centerClient.y + window->Bounds.Y); + } + else + { + // Record the cursor's position relative to the client + auto x = window->PointerPosition.X - window->Bounds.X; + auto y = window->PointerPosition.Y - window->Bounds.Y; + + UpdateMousePosition({ x, y }); + } + + mouseDelta = { 0 ,0 }; + } + + // Process Gamepads + { + // Check if gamepads are ready + for (int i = 0; i < MAX_GAMEPADS; i++) + { + // HACK: UWP keeps a contiguous list of gamepads. For the interest of time I'm just doing a 1:1 mapping of + // connected gamepads with their spot in the list, but this has serious robustness problems + // e.g. player 1, 2, and 3 are playing a game - if player2 disconnects, p3's controller would now be mapped to p2's character since p3 is now second in the list. + + UWPMessage* msg = CreateUWPMessage(); + msg->Type = MarkGamepadActive; + msg->Int0 = i; + msg->Bool0 = i < Gamepad::Gamepads->Size; + UWPSendMessage(msg); + } + + // Get current gamepad state + for (int i = 0; i < MAX_GAMEPADS; i++) + { + if (IsGamepadAvailable(i)) + { + // Get current gamepad state + auto gamepad = Gamepad::Gamepads->GetAt(i); + GamepadReading reading = gamepad->GetCurrentReading(); + + // NOTE: Maybe it would be wiser to redefine the gamepad button mappings in "raylib.h" for the UWP platform instead of remapping them manually + RegisterGamepadButton(i, GAMEPAD_XBOX_BUTTON_A, ((reading.Buttons & GamepadButtons::A) == GamepadButtons::A)); + RegisterGamepadButton(i, GAMEPAD_XBOX_BUTTON_B, ((reading.Buttons & GamepadButtons::B) == GamepadButtons::B)); + RegisterGamepadButton(i, GAMEPAD_XBOX_BUTTON_X, ((reading.Buttons & GamepadButtons::X) == GamepadButtons::X)); + RegisterGamepadButton(i, GAMEPAD_XBOX_BUTTON_Y, ((reading.Buttons & GamepadButtons::Y) == GamepadButtons::Y)); + RegisterGamepadButton(i, GAMEPAD_XBOX_BUTTON_LB, ((reading.Buttons & GamepadButtons::LeftShoulder) == GamepadButtons::LeftShoulder)); + RegisterGamepadButton(i, GAMEPAD_XBOX_BUTTON_RB, ((reading.Buttons & GamepadButtons::RightShoulder) == GamepadButtons::RightShoulder)); + RegisterGamepadButton(i, GAMEPAD_XBOX_BUTTON_SELECT, ((reading.Buttons & GamepadButtons::View) == GamepadButtons::View)); // Changed for XB1 Controller + RegisterGamepadButton(i, GAMEPAD_XBOX_BUTTON_START, ((reading.Buttons & GamepadButtons::Menu) == GamepadButtons::Menu)); // Changed for XB1 Controller + RegisterGamepadButton(i, GAMEPAD_XBOX_BUTTON_UP, ((reading.Buttons & GamepadButtons::DPadUp) == GamepadButtons::DPadUp)); + RegisterGamepadButton(i, GAMEPAD_XBOX_BUTTON_RIGHT, ((reading.Buttons & GamepadButtons::DPadRight) == GamepadButtons::DPadRight)); + RegisterGamepadButton(i, GAMEPAD_XBOX_BUTTON_DOWN, ((reading.Buttons & GamepadButtons::DPadDown) == GamepadButtons::DPadDown)); + RegisterGamepadButton(i, GAMEPAD_XBOX_BUTTON_LEFT, ((reading.Buttons & GamepadButtons::DPadLeft) == GamepadButtons::DPadLeft)); + RegisterGamepadButton(i, GAMEPAD_XBOX_BUTTON_HOME, false); // Home button not supported by UWP + + // Get current axis state + RegisterGamepadAxis(i, GAMEPAD_XBOX_AXIS_LEFT_X, (float)reading.LeftThumbstickX); + RegisterGamepadAxis(i, GAMEPAD_XBOX_AXIS_LEFT_Y, (float)reading.LeftThumbstickY); + RegisterGamepadAxis(i, GAMEPAD_XBOX_AXIS_RIGHT_X, (float)reading.RightThumbstickX); + RegisterGamepadAxis(i, GAMEPAD_XBOX_AXIS_RIGHT_Y, (float)reading.RightThumbstickY); + RegisterGamepadAxis(i, GAMEPAD_XBOX_AXIS_LT, (float)reading.LeftTrigger); + RegisterGamepadAxis(i, GAMEPAD_XBOX_AXIS_RT, (float)reading.RightTrigger); + } + } + } + } + + // Application lifecycle event handlers. + void OnActivated(Windows::ApplicationModel::Core::CoreApplicationView^ applicationView, Windows::ApplicationModel::Activation::IActivatedEventArgs^ args) + { + // Run() won't start until the CoreWindow is activated. + CoreWindow::GetForCurrentThread()->Activate(); + } + + void OnResuming(Platform::Object^ sender, Platform::Object^ args) {} + + // Window event handlers. + void OnWindowSizeChanged(Windows::UI::Core::CoreWindow^ sender, Windows::UI::Core::WindowSizeChangedEventArgs^ args) + { + UWPMessage* msg = CreateUWPMessage(); + msg->Type = HandleResize; + UWPSendMessage(msg); + } + + void OnVisibilityChanged(Windows::UI::Core::CoreWindow^ sender, Windows::UI::Core::VisibilityChangedEventArgs^ args) + { + mWindowVisible = args->Visible; + } + + void OnWindowClosed(Windows::UI::Core::CoreWindow^ sender, Windows::UI::Core::CoreWindowEventArgs^ args) + { + mWindowClosed = true; + } + + // DisplayInformation event handlers. + void OnDpiChanged(Windows::Graphics::Display::DisplayInformation^ sender, Platform::Object^ args) {} + void OnOrientationChanged(Windows::Graphics::Display::DisplayInformation^ sender, Platform::Object^ args) {} + + // Input event handlers + void PointerPressed(Windows::UI::Core::CoreWindow^ sender, Windows::UI::Core::PointerEventArgs^ args) + { + //Get the current active pointer ID for our loop + CurrentPointerID = args->CurrentPoint->PointerId; + args->Handled = true; + } + + void PointerWheelChanged(Windows::UI::Core::CoreWindow ^sender, Windows::UI::Core::PointerEventArgs^ args) + { + UWPMessage* msg = CreateUWPMessage(); + msg->Type = ScrollWheelUpdate; + msg->Float0 = args->CurrentPoint->Properties->MouseWheelDelta; + UWPSendMessage(msg); + } + + void MouseMoved(Windows::Devices::Input::MouseDevice^ mouseDevice, Windows::Devices::Input::MouseEventArgs^ args) + { + mouseDelta.x += args->MouseDelta.X; + mouseDelta.y += args->MouseDelta.Y; + } + + void OnKeyDown(Windows::UI::Core::CoreWindow ^ sender, Windows::UI::Core::KeyEventArgs ^ args) + { +#ifdef HOLDHACK + //Start the hack + KeyboardStateHack[(int)args->VirtualKey] = 1; +#endif + + RegisterKey((int)args->VirtualKey, 1); + } + + void OnKeyUp(Windows::UI::Core::CoreWindow ^ sender, Windows::UI::Core::KeyEventArgs ^ args) + { +#ifdef HOLDHACK + //The same hack + if (KeyboardStateHack[(int)args->VirtualKey] == 1) + { + KeyboardStateHack[(int)args->VirtualKey] = 2; + } + else if (KeyboardStateHack[(int)args->VirtualKey] == 2) + { + KeyboardStateHack[(int)args->VirtualKey] = 3; + } + else if (KeyboardStateHack[(int)args->VirtualKey] == 3) + { + KeyboardStateHack[(int)args->VirtualKey] = 4; + } + else if (KeyboardStateHack[(int)args->VirtualKey] == 4) + { + RegisterKey((int)args->VirtualKey, 0); + KeyboardStateHack[(int)args->VirtualKey] = 0; + } +#else + //No hack, allow flickers + RegisterKey((int)args->VirtualKey, 0); +#endif + } + +private: + + void RegisterKey(int key, char status) + { + UWPMessage* msg = CreateUWPMessage(); + msg->Type = UWPMessageType::RegisterKey; + msg->Int0 = key; + msg->Char0 = status; + UWPSendMessage(msg); + } + + void MoveMouse(Vector2 pos) + { + CoreWindow ^window = CoreWindow::GetForCurrentThread(); + Point mousePosScreen = Point(pos.x + window->Bounds.X, pos.y + window->Bounds.Y); + window->PointerPosition = mousePosScreen; + } + + void RegisterGamepadButton(int gamepad, int button, char status) + { + UWPMessage* msg = CreateUWPMessage(); + msg->Type = MarkGamepadButton; + msg->Int0 = gamepad; + msg->Int1 = button; + msg->Char0 = status; + UWPSendMessage(msg); + } + + void RegisterGamepadAxis(int gamepad, int axis, float value) + { + UWPMessage* msg = CreateUWPMessage(); + msg->Type = MarkGamepadAxis; + msg->Int0 = gamepad; + msg->Int1 = axis; + msg->Float0 = value; + UWPSendMessage(msg); + } + + void UpdateMousePosition(Vector2 pos) + { + UWPMessage* msg = CreateUWPMessage(); + msg->Type = UpdateMouseLocation; + msg->Vector0 = pos; + UWPSendMessage(msg); + } + + void RegisterClick(int button, char status) + { + UWPMessage* msg = CreateUWPMessage(); + msg->Type = UWPMessageType::RegisterClick; + msg->Int0 = button; + msg->Char0 = status; + UWPSendMessage(msg); + } + + bool mWindowClosed = false; + bool mWindowVisible = true; + + int width = 640; + int height = 480; + + int CurrentPointerID = -1; + +#ifdef HOLDHACK + char KeyboardStateHack[0xA6]; //0xA6 because the highest key we compare against is 0xA5 +#endif +}; + +//Application source for creating the program +template<typename AppType> +ref class ApplicationSource sealed : Windows::ApplicationModel::Core::IFrameworkViewSource +{ +public: + virtual Windows::ApplicationModel::Core::IFrameworkView^ CreateView() + { + return ref new AppType(); + } +};
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