public void Run()
{
long previousFrameTicks = 0;
Stopwatch sw = new Stopwatch();
sw.Start();
while (_window.Exists)
{
long currentFrameTicks = sw.ElapsedTicks;
double deltaSeconds = (currentFrameTicks - previousFrameTicks) / (double)Stopwatch.Frequency;
while (_limitFrameRate && deltaSeconds < _desiredFrameLengthSeconds)
{
currentFrameTicks = sw.ElapsedTicks;
deltaSeconds = (currentFrameTicks - previousFrameTicks) / (double)Stopwatch.Frequency;
}
previousFrameTicks = currentFrameTicks;
InputSnapshot snapshot = _window.PumpEvents();
InputTracker.UpdateFrameInput(snapshot);
Update((float)deltaSeconds);
if (!_window.Exists)
{
break;
}
Draw();
}
DestroyAllObjects();
_gd.Dispose();
}
public void Update(float deltaSeconds)
{
float sprintFactor = InputTracker.GetKey(Key.ControlLeft)
? 0.1f
: InputTracker.GetKey(Key.ShiftLeft)
? 2.5f
: 1f;
Vector3 motionDir = Vector3.Zero;
if (InputTracker.GetKey(Key.A))
{
motionDir += -Vector3.UnitX;
}
if (InputTracker.GetKey(Key.D))
{
motionDir += Vector3.UnitX;
}
if (InputTracker.GetKey(Key.W))
{
motionDir += -Vector3.UnitZ;
}
if (InputTracker.GetKey(Key.S))
{
motionDir += Vector3.UnitZ;
}
if (InputTracker.GetKey(Key.Q))
{
motionDir += -Vector3.UnitY;
}
if (InputTracker.GetKey(Key.E))
{
motionDir += Vector3.UnitY;
}
if (motionDir != Vector3.Zero)
{
Quaternion lookRotation = Quaternion.CreateFromYawPitchRoll(_yaw, _pitch, 0f);
motionDir = Vector3.Transform(motionDir, lookRotation);
_position += motionDir * _moveSpeed * sprintFactor * deltaSeconds;
UpdateViewMatrix();
}
Vector2 mouseDelta = InputTracker.MousePosition - _previousMousePos;
_previousMousePos = InputTracker.MousePosition;
if (!ImGui.IsMouseHoveringAnyWindow() && (InputTracker.GetMouseButton(MouseButton.Left) || InputTracker.GetMouseButton(MouseButton.Right)))
{
_yaw += -mouseDelta.X * 0.01f;
_pitch += -mouseDelta.Y * 0.01f;
_pitch = Math.Clamp(_pitch, -1.55f, 1.55f);
Quaternion lookRotation = Quaternion.CreateFromYawPitchRoll(_yaw, _pitch, 0f);
Vector3 lookDir = Vector3.Transform(-Vector3.UnitZ, lookRotation);
_lookDirection = lookDir;
UpdateViewMatrix();
}
}
public void Run()
{
while (_window.Exists)
{
InputTracker.UpdateFrameInput(_window.PumpEvents());
Update(1f / 60f);
Draw();
}
}
private void Update(float deltaSeconds)
{
_fta.AddTime(deltaSeconds);
_scene.Update(deltaSeconds);
if (ImGui.BeginMainMenuBar())
{
if (ImGui.BeginMenu("Settings"))
{
if (ImGui.BeginMenu("Graphics Backend"))
{
if (ImGui.MenuItem("Vulkan", string.Empty, _gd.BackendType == GraphicsBackend.Vulkan, GraphicsDevice.IsBackendSupported(GraphicsBackend.Vulkan)))
{
ChangeBackend(GraphicsBackend.Vulkan);
}
if (ImGui.MenuItem("OpenGL", string.Empty, _gd.BackendType == GraphicsBackend.OpenGL, GraphicsDevice.IsBackendSupported(GraphicsBackend.OpenGL)))
{
ChangeBackend(GraphicsBackend.OpenGL);
}
if (ImGui.MenuItem("OpenGL ES", string.Empty, _gd.BackendType == GraphicsBackend.OpenGLES, GraphicsDevice.IsBackendSupported(GraphicsBackend.OpenGLES)))
{
ChangeBackend(GraphicsBackend.OpenGLES);
}
if (ImGui.MenuItem("Direct3D 11", string.Empty, _gd.BackendType == GraphicsBackend.Direct3D11, GraphicsDevice.IsBackendSupported(GraphicsBackend.Direct3D11)))
{
ChangeBackend(GraphicsBackend.Direct3D11);
}
if (ImGui.MenuItem("Metal", string.Empty, _gd.BackendType == GraphicsBackend.Metal, GraphicsDevice.IsBackendSupported(GraphicsBackend.Metal)))
{
ChangeBackend(GraphicsBackend.Metal);
}
ImGui.EndMenu();
}
if (ImGui.BeginMenu("MSAA"))
{
if (ImGui.Combo("MSAA", ref _msaaOption, _msaaOptions, _msaaOptions.Length))
{
ChangeMsaa(_msaaOption);
}
ImGui.EndMenu();
}
bool threadedRendering = _scene.ThreadedRendering;
if (ImGui.MenuItem("Render with multiple threads", string.Empty, threadedRendering, true))
{
_scene.ThreadedRendering = !_scene.ThreadedRendering;
}
bool tinted = _fsq.UseTintedTexture;
if (ImGui.MenuItem("Tinted output", string.Empty, tinted, true))
{
_fsq.UseTintedTexture = !tinted;
}
ImGui.EndMenu();
}
if (ImGui.BeginMenu("Window"))
{
bool isFullscreen = _window.WindowState == WindowState.BorderlessFullScreen;
if (ImGui.MenuItem("Fullscreen", "F11", isFullscreen, true))
{
ToggleFullscreenState();
}
if (ImGui.MenuItem("Always Recreate Sdl2Window", string.Empty, _recreateWindow, true))
{
_recreateWindow = !_recreateWindow;
}
if (ImGui.IsItemHovered())
{
ImGui.SetTooltip(
"Causes a new OS window to be created whenever the graphics backend is switched. This is much safer, and is the default.");
}
if (ImGui.MenuItem("sRGB Swapchain Format", string.Empty, _colorSrgb, true))
{
_colorSrgb = !_colorSrgb;
ChangeBackend(_gd.BackendType);
}
bool vsync = _gd.SyncToVerticalBlank;
if (ImGui.MenuItem("VSync", string.Empty, vsync, true))
{
_gd.SyncToVerticalBlank = !_gd.SyncToVerticalBlank;
}
bool resizable = _window.Resizable;
if (ImGui.MenuItem("Resizable Window", string.Empty, resizable))
{
_window.Resizable = !_window.Resizable;
}
bool bordered = _window.BorderVisible;
if (ImGui.MenuItem("Visible Window Border", string.Empty, bordered))
{
_window.BorderVisible = !_window.BorderVisible;
}
ImGui.EndMenu();
}
if (ImGui.BeginMenu("Materials"))
{
if (ImGui.BeginMenu("Brick"))
{
DrawIndexedMaterialMenu(CommonMaterials.Brick);
ImGui.EndMenu();
}
if (ImGui.BeginMenu("Vase"))
{
DrawIndexedMaterialMenu(CommonMaterials.Vase);
ImGui.EndMenu();
}
if (ImGui.BeginMenu("Reflective"))
{
DrawIndexedMaterialMenu(CommonMaterials.Reflective);
ImGui.EndMenu();
}
ImGui.EndMenu();
}
if (ImGui.BeginMenu("Debug"))
{
if (ImGui.MenuItem("Refresh Device Objects"))
{
RefreshDeviceObjects(1);
}
if (ImGui.MenuItem("Refresh Device Objects (10 times)"))
{
RefreshDeviceObjects(10);
}
if (ImGui.MenuItem("Refresh Device Objects (100 times)"))
{
RefreshDeviceObjects(100);
}
if (_controllerTracker != null)
{
if (ImGui.MenuItem("Controller State"))
{
_controllerDebugMenu = true;
}
}
else
{
if (ImGui.MenuItem("Connect to Controller"))
{
Sdl2ControllerTracker.CreateDefault(out _controllerTracker);
_scene.Camera.Controller = _controllerTracker;
}
}
ImGui.EndMenu();
}
if (ImGui.BeginMenu("RenderDoc"))
{
if (_renderDoc == null)
{
if (ImGui.MenuItem("Load"))
{
if (RenderDoc.Load(out _renderDoc))
{
ChangeBackend(_gd.BackendType);
}
}
}
else
{
if (ImGui.MenuItem("Trigger Capture"))
{
_renderDoc.TriggerCapture();
}
if (ImGui.BeginMenu("Options"))
{
bool allowVsync = _renderDoc.AllowVSync;
if (ImGui.Checkbox("Allow VSync", ref allowVsync))
{
_renderDoc.AllowVSync = allowVsync;
}
bool validation = _renderDoc.APIValidation;
if (ImGui.Checkbox("API Validation", ref validation))
{
_renderDoc.APIValidation = validation;
}
int delayForDebugger = (int)_renderDoc.DelayForDebugger;
if (ImGui.InputInt("Debugger Delay", ref delayForDebugger))
{
delayForDebugger = Math.Clamp(delayForDebugger, 0, int.MaxValue);
_renderDoc.DelayForDebugger = (uint)delayForDebugger;
}
bool verifyBufferAccess = _renderDoc.VerifyBufferAccess;
if (ImGui.Checkbox("Verify Buffer Access", ref verifyBufferAccess))
{
_renderDoc.VerifyBufferAccess = verifyBufferAccess;
}
bool overlayEnabled = _renderDoc.OverlayEnabled;
if (ImGui.Checkbox("Overlay Visible", ref overlayEnabled))
{
_renderDoc.OverlayEnabled = overlayEnabled;
}
bool overlayFrameRate = _renderDoc.OverlayFrameRate;
if (ImGui.Checkbox("Overlay Frame Rate", ref overlayFrameRate))
{
_renderDoc.OverlayFrameRate = overlayFrameRate;
}
bool overlayFrameNumber = _renderDoc.OverlayFrameNumber;
if (ImGui.Checkbox("Overlay Frame Number", ref overlayFrameNumber))
{
_renderDoc.OverlayFrameNumber = overlayFrameNumber;
}
bool overlayCaptureList = _renderDoc.OverlayCaptureList;
if (ImGui.Checkbox("Overlay Capture List", ref overlayCaptureList))
{
_renderDoc.OverlayCaptureList = overlayCaptureList;
}
ImGui.EndMenu();
}
if (ImGui.MenuItem("Launch Replay UI"))
{
_renderDoc.LaunchReplayUI();
}
}
ImGui.EndMenu();
}
if (_controllerDebugMenu)
{
if (ImGui.Begin("Controller State", ref _controllerDebugMenu, ImGuiWindowFlags.NoCollapse))
{
if (_controllerTracker != null)
{
ImGui.Columns(2);
ImGui.Text($"Name: {_controllerTracker.ControllerName}");
foreach (SDL_GameControllerAxis axis in (SDL_GameControllerAxis[])Enum.GetValues(typeof(SDL_GameControllerAxis)))
{
ImGui.Text($"{axis}: {_controllerTracker.GetAxis(axis)}");
}
ImGui.NextColumn();
foreach (SDL_GameControllerButton button in (SDL_GameControllerButton[])Enum.GetValues(typeof(SDL_GameControllerButton)))
{
ImGui.Text($"{button}: {_controllerTracker.IsPressed(button)}");
}
}
else
{
ImGui.Text("No controller detected.");
}
}
ImGui.End();
}
ImGui.Text(_fta.CurrentAverageFramesPerSecond.ToString("000.0 fps / ") + _fta.CurrentAverageFrameTimeMilliseconds.ToString("#00.00 ms"));
ImGui.EndMainMenuBar();
}
if (InputTracker.GetKeyDown(Key.F11))
{
ToggleFullscreenState();
}
if (InputTracker.GetKeyDown(Key.Keypad6))
{
_window.X += 10;
}
if (InputTracker.GetKeyDown(Key.Keypad4))
{
_window.X -= 10;
}
if (InputTracker.GetKeyDown(Key.Keypad8))
{
_window.Y += 10;
}
if (InputTracker.GetKeyDown(Key.Keypad2))
{
_window.Y -= 10;
}
_window.Title = _gd.BackendType.ToString();
}
private void Update(float deltaSeconds)
{
_fta.AddTime(deltaSeconds);
_scene.Update(deltaSeconds);
if (ImGui.BeginMainMenuBar())
{
if (ImGui.BeginMenu("Settings"))
{
if (ImGui.BeginMenu("Graphics Backend"))
{
if (ImGui.MenuItem("Vulkan", GraphicsDevice.IsBackendSupported(GraphicsBackend.Vulkan)))
{
ChangeBackend(GraphicsBackend.Vulkan);
}
if (ImGui.MenuItem("OpenGL", GraphicsDevice.IsBackendSupported(GraphicsBackend.OpenGL)))
{
ChangeBackend(GraphicsBackend.OpenGL);
}
if (ImGui.MenuItem("OpenGL ES", GraphicsDevice.IsBackendSupported(GraphicsBackend.OpenGLES)))
{
ChangeBackend(GraphicsBackend.OpenGLES);
}
if (ImGui.MenuItem("Direct3D 11", GraphicsDevice.IsBackendSupported(GraphicsBackend.Direct3D11)))
{
ChangeBackend(GraphicsBackend.Direct3D11);
}
if (ImGui.MenuItem("Metal", GraphicsDevice.IsBackendSupported(GraphicsBackend.Metal)))
{
ChangeBackend(GraphicsBackend.Metal);
}
ImGui.EndMenu();
}
if (ImGui.BeginMenu("MSAA"))
{
if (ImGui.Combo("MSAA", ref _msaaOption, _msaaOptions))
{
ChangeMsaa(_msaaOption);
}
ImGui.EndMenu();
}
bool isFullscreen = _window.WindowState == WindowState.BorderlessFullScreen;
if (ImGui.MenuItem("Fullscreen", "F11", isFullscreen, true))
{
ToggleFullscreenState();
}
if (ImGui.MenuItem("Always Recreate Sdl2Window", string.Empty, _recreateWindow, true))
{
_recreateWindow = !_recreateWindow;
}
if (ImGui.IsItemHovered(HoveredFlags.Default))
{
ImGui.SetTooltip(
"Causes a new OS window to be created whenever the graphics backend is switched. This is much safer, and is the default.");
}
bool threadedRendering = _scene.ThreadedRendering;
if (ImGui.MenuItem("Render with multiple threads", string.Empty, threadedRendering, true))
{
_scene.ThreadedRendering = !_scene.ThreadedRendering;
}
bool tinted = _fsq.UseTintedTexture;
if (ImGui.MenuItem("Tinted output", string.Empty, tinted, true))
{
_fsq.UseTintedTexture = !tinted;
}
bool vsync = _gd.SyncToVerticalBlank;
if (ImGui.MenuItem("VSync", string.Empty, vsync, true))
{
_gd.SyncToVerticalBlank = !_gd.SyncToVerticalBlank;
}
ImGui.EndMenu();
}
if (ImGui.BeginMenu("Materials"))
{
if (ImGui.BeginMenu("Brick"))
{
DrawIndexedMaterialMenu(CommonMaterials.Brick);
ImGui.EndMenu();
}
if (ImGui.BeginMenu("Vase"))
{
DrawIndexedMaterialMenu(CommonMaterials.Vase);
ImGui.EndMenu();
}
if (ImGui.BeginMenu("Reflective"))
{
DrawIndexedMaterialMenu(CommonMaterials.Reflective);
ImGui.EndMenu();
}
ImGui.EndMenu();
}
if (ImGui.BeginMenu("Debug"))
{
if (ImGui.MenuItem("Refresh Device Objects"))
{
RefreshDeviceObjects(1);
}
if (ImGui.MenuItem("Refresh Device Objects (10 times)"))
{
RefreshDeviceObjects(10);
}
if (ImGui.MenuItem("Refresh Device Objects (100 times)"))
{
RefreshDeviceObjects(100);
}
ImGui.EndMenu();
}
ImGui.Text(_fta.CurrentAverageFramesPerSecond.ToString("000.0 fps / ") + _fta.CurrentAverageFrameTimeMilliseconds.ToString("#00.00 ms"));
ImGui.EndMainMenuBar();
}
if (InputTracker.GetKeyDown(Key.F11))
{
ToggleFullscreenState();
}
_window.Title = _gd.BackendType.ToString();
}
private void Update(float deltaSeconds)
{
_scene.Update(deltaSeconds);
if (ImGui.BeginMainMenuBar())
{
if (ImGui.BeginMenu("Settings"))
{
if (ImGui.BeginMenu("Graphics Backend"))
{
if (ImGui.MenuItem("Vulkan"))
{
ChangeRenderContext(GraphicsBackend.Vulkan);
}
if (ImGui.MenuItem("OpenGL"))
{
ChangeRenderContext(GraphicsBackend.OpenGL);
}
if (ImGui.MenuItem("OpenGL ES"))
{
ChangeRenderContext(GraphicsBackend.OpenGLES);
}
if (ImGui.MenuItem("Direct3D 11"))
{
ChangeRenderContext(GraphicsBackend.Direct3D11);
}
ImGui.EndMenu();
}
bool isFullscreen = _window.WindowState == WindowState.BorderlessFullScreen;
if (ImGui.MenuItem("Fullscreen", "F11", isFullscreen, true))
{
ToggleFullscreenState();
}
if (ImGui.MenuItem("Always Recreate Window", string.Empty, _recreateWindow, true))
{
_recreateWindow = !_recreateWindow;
}
if (ImGui.IsLastItemHovered())
{
ImGui.SetTooltip(
"Causes a new OS window to be created whenever the RenderContext is switched. This is much safer, and is the default.");
}
ImGui.EndMenu();
}
if (ImGui.BeginMenu("Materials"))
{
if (ImGui.BeginMenu("Brick"))
{
DrawMaterialMenu(CommonMaterials.Brick);
ImGui.EndMenu();
}
ImGui.EndMenu();
}
ImGui.EndMainMenuBar();
}
if (InputTracker.GetKeyDown(Key.F11))
{
ToggleFullscreenState();
}
_window.Title = _rc.BackendType.ToString();
}
private void Update(float deltaSeconds)
{
_fta.AddTime(deltaSeconds);
_scene.Update(deltaSeconds);
if (ImGui.BeginMainMenuBar())
{
if (ImGui.BeginMenu("Settings"))
{
if (ImGui.BeginMenu("Graphics Backend"))
{
if (ImGui.MenuItem("Vulkan"))
{
ChangeBackend(GraphicsBackend.Vulkan);
}
if (ImGui.MenuItem("OpenGL"))
{
ChangeBackend(GraphicsBackend.OpenGL);
}
if (ImGui.MenuItem("OpenGL ES"))
{
ChangeBackend(GraphicsBackend.OpenGLES);
}
if (ImGui.MenuItem("Direct3D 11"))
{
ChangeBackend(GraphicsBackend.Direct3D11);
}
ImGui.EndMenu();
}
bool isFullscreen = _window.WindowState == WindowState.BorderlessFullScreen;
if (ImGui.MenuItem("Fullscreen", "F11", isFullscreen, true))
{
ToggleFullscreenState();
}
if (ImGui.MenuItem("Always Recreate Sdl2Window", string.Empty, _recreateWindow, true))
{
_recreateWindow = !_recreateWindow;
}
bool threadedRendering = _scene.ThreadedRendering;
if (ImGui.MenuItem("Render with multiple threads", string.Empty, threadedRendering, true))
{
_scene.ThreadedRendering = !_scene.ThreadedRendering;
}
if (ImGui.IsLastItemHovered())
{
ImGui.SetTooltip(
"Causes a new OS Sdl2Window to be created whenever the graphics backend is switched. This is much safer, and is the default.");
}
ImGui.EndMenu();
}
if (ImGui.BeginMenu("Materials"))
{
if (ImGui.BeginMenu("Brick"))
{
DrawMaterialMenu(CommonMaterials.Brick);
ImGui.EndMenu();
}
if (ImGui.BeginMenu("Vase"))
{
DrawMaterialMenu(CommonMaterials.Vase);
ImGui.EndMenu();
}
ImGui.EndMenu();
}
if (ImGui.BeginMenu("Debug"))
{
if (ImGui.MenuItem("Refresh Device Objects"))
{
RefreshDeviceObjects(1);
}
if (ImGui.MenuItem("Refresh Device Objects (10 times)"))
{
RefreshDeviceObjects(10);
}
if (ImGui.MenuItem("Refresh Device Objects (100 times)"))
{
RefreshDeviceObjects(100);
}
ImGui.EndMenu();
}
ImGui.Text(_fta.CurrentAverageFramesPerSecond.ToString("000.0 fps / ") + _fta.CurrentAverageFrameTimeMilliseconds.ToString("#00.00 ms"));
ImGui.EndMainMenuBar();
}
if (InputTracker.GetKeyDown(Key.F11))
{
ToggleFullscreenState();
}
_window.Title = _gd.BackendType.ToString();
}
