private static void DrawAnimations(ref ViewportOptions options)
{
if (animationNames.Length > 0)
{
ImGui.Text($"Animations: {animationNames.Length}");
if (ImGui.Combo(" ", ref currentSelectedAnimation, animationNames, animationNames.Length))
{
if (currentSelectedAnimation >= 0 && currentSelectedAnimation < animationNames.Length)
{
options.AnimationUpdater = animationUpdaters[currentSelectedAnimation];
options.AnimationUpdater.Reset();
options.AnimationUpdater.RepeatMode = AnimationRepeatMode.Loop;
options.PlayAnimation = true;
}
else
{
options.PlayAnimation = false;
options.AnimationUpdater = null;
}
}
}
}
public static void DrawUI(int width, int height, ref ViewportOptions options, GroupNode rootNode)
{
ImGui.SetNextWindowPos(System.Numerics.Vector2.Zero);
ImGui.SetNextWindowSize(new System.Numerics.Vector2(250, 350));
bool opened = true;
ImGui.Begin("Model Loader Window", ref opened, ImGuiWindowFlags.MenuBar | ImGuiWindowFlags.AlwaysAutoResize | ImGuiWindowFlags.NoCollapse);
if (ImGui.BeginMenuBar())
{
if (ImGui.BeginMenu("Load Model", !loading))
{
if (ImGui.MenuItem("Open"))
{
LoadModel(rootNode, options.ShowEnvironmentMap);
}
ImGui.EndMenu();
}
if (ImGui.BeginMenu("Options"))
{
ImGui.Checkbox("Dir Light Follow Camera", ref options.DirectionalLightFollowCamera);
ImGui.SliderFloat("Dir Light Intensity", ref options.DirectionLightIntensity, 0, 1, "", ImGuiSliderFlags.AlwaysClamp);
ImGui.SliderFloat("Ambient Light Intensity", ref options.AmbientLightIntensity, 0, 1, "", ImGuiSliderFlags.AlwaysClamp);
ImGui.Separator();
ImGui.Checkbox("Show EnvironmentMap", ref options.ShowEnvironmentMap);
ImGui.Checkbox("Enable SSAO", ref options.EnableSSAO);
ImGui.Checkbox("Enable FXAA", ref options.EnableFXAA);
ImGui.Checkbox("Enable Frustum", ref options.EnableFrustum);
ImGui.Checkbox("Enable DpiScale", ref options.EnableDpiScale);
if (ImGui.Checkbox("Show Wireframe", ref options.ShowWireframe))
{
options.ShowWireframeChanged = true;
}
ImGui.Separator();
ImGui.ColorPicker3("Background Color", ref options.BackgroundColor);
ImGui.EndMenu();
}
if (!showImGuiDemo && ImGui.BeginMenu("ImGui Demo"))
{
if (ImGui.MenuItem("Show"))
{
showImGuiDemo = true;
}
ImGui.EndMenu();
}
ImGui.EndMenuBar();
}
if (ImGui.CollapsingHeader("Mouse Gestures", ImGuiTreeNodeFlags.DefaultOpen))
{
ImGui.Text("Mouse Right: Rotate");
ImGui.Text("Mouse Middle: Pan");
ImGui.Separator();
if (!string.IsNullOrEmpty(SomeTextFromOutside))
{
ImGui.Text(SomeTextFromOutside);
}
}
ImGui.Separator();
ImGui.Text("FPS");
ImGui.PlotLines("", ref fps[0], fps.Length, 0, $"{fps[currFPSIndex]}", 30, 70, new System.Numerics.Vector2(200, 50));
ImGui.Text("Rendering Latency Ms");
ImGui.PlotLines("", ref latency[0], latency.Length, 0, $"{latency[currFPSIndex]}ms", 0, 5, new System.Numerics.Vector2(200, 50));
fps[currFPSIndex] = 1000f / (float)options.Viewport.RenderHost.RenderStatistics.LatencyStatistics.AverageValue;
latency[currFPSIndex] = (float)options.Viewport.RenderHost.RenderStatistics.LatencyStatistics.AverageValue;
frustumTest[currFPSIndex] = (float)options.Viewport.RenderHost.RenderStatistics.FrustumTestTime * 1000;
ImGui.Text("Frustum Test Ms");
ImGui.PlotLines("", ref frustumTest[0], frustumTest.Length, 0, $"{frustumTest[currFPSIndex]}ms", 0, 5, new System.Numerics.Vector2(200, 50));
currFPSIndex = (currFPSIndex + 1) % frameDataLength;
if (!loading && ImGui.CollapsingHeader("Scene Graph", ImGuiTreeNodeFlags.DefaultOpen))
{
DrawSceneGraph(rootNode);
}
if (!loading && scene != null && scene.Animations != null)
{
DrawAnimations(ref options);
}
if (!loading && !string.IsNullOrEmpty(exception))
{
ImGui.Separator();
ImGui.Text(exception);
}
if (loading)
{
ImGui.Text($"Loading: {modelName}");
var progress = ((float)(Stopwatch.GetTimestamp() - currentTime) / Stopwatch.Frequency) * 100 % 100;
ImGui.ProgressBar(progress / 100, new System.Numerics.Vector2(width, 20), "");
}
ImGui.End();
if (showImGuiDemo)
{
opened = false;
ImGui.ShowDemoWindow(ref showImGuiDemo);
}
}