emil28092005
749fbc8df4
ImGui: - ImGui.NET 1.91.6.1 NuGet package - VulkanImGui: font texture upload, ImGui pipeline (blending, no depth), vertex/index buffer streaming - GLSL 450 ImGui shaders (vert: scale/translate push constants, frag: font texture sampler) - Compiled to SPIR-V via @webgpu/glslang - Debug overlay: FPS, camera position, entity count, light list - 1600+ FPS with ImGui active Screenshot: - vkCmdCopyImageToBuffer embedded in main command buffer - Layout transition PresentSrcKHR→TransferSrcOptimal→PresentSrcKHR - Deferred read: staging buffer read on next frame after fence - BMP format written directly to FileStream (row by row) - All 16 camera tour screenshots captured (1280x720x32bpp) All 66 tests pass.
484 lines
20 KiB
C#
484 lines
20 KiB
C#
using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Numerics;
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using Engine.AI;
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#if !RELEASE_AOT
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using Engine.AI.Mcp;
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using Microsoft.AspNetCore.Builder;
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#endif
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using Engine.Core;
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using Engine.Core.Components;
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using Engine.Graphics;
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using Engine.Graphics.Loaders;
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using Engine.Graphics.Vulkan;
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using Engine.Physics;
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using Flecs.NET.Core;
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using ImGuiNET;
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namespace CortexEngine.App;
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class Program
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{
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static async Task Main(string[] args)
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{
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Console.WriteLine("Cortex Engine — Vulkan Backend, Pure P/Invoke...");
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try
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{
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if (args.Contains("--mcp-stdio"))
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{
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RunMcpStdioServer();
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return;
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}
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var cameraTour = args.Contains("--camera-tour");
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var testScene = args.Contains("--test-scene");
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if (testScene)
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cameraTour = true;
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using var world = World.Create();
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var timing = new Timing();
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using var physicsWorld = new PhysicsWorld();
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VulkanBackendRegistrar.EnsureRegistered();
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using var renderContext = RenderBackendFactory.Create("vulkan", 1280, 720, enableValidation: true);
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var window = renderContext.Window;
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var input = window.Input;
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using var renderer = renderContext.CreateRenderer();
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VulkanImGui? imGuiLayer = null;
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if (!cameraTour && renderer is VulkanRenderer vkRenderer)
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{
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ImGui.CreateContext();
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imGuiLayer = new VulkanImGui(vkRenderer._ctx, vkRenderer._swapchain);
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vkRenderer.ImGuiLayer = imGuiLayer;
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ImGui.GetIO().DisplaySize = new System.Numerics.Vector2(window.Width, window.Height);
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Console.WriteLine("[App] ImGui initialized.");
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}
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var (modelPath, mcpPort) = ParseArgs(args);
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var mesh = LoadModel(modelPath);
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var processor = new AiCommandProcessor(world, LoadModel, path => renderer.RequestScreenshot(path));
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var queue = new AiCommandQueue(processor, renderer.ScreenshotProvider);
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var cameraEntity = world.Entity("Camera")
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.Set(new Transform(new Vector3(0.0f, 0.75f, -30.0f), Quaternion.Identity, Vector3.One))
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.Set(new Camera(
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new Vector3(0.0f, 0.75f, -30.0f),
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new Vector3(0.0f, 0.5f, 0.0f),
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Vector3.UnitY,
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MathF.PI / 12.0f,
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1280.0f / 720.0f,
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0.1f,
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100.0f));
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world.Entity("MainLight")
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.Set(new Transform(new Vector3(0.0f, 0.0f, 0.0f), Quaternion.Identity, Vector3.One))
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.Set(Light.Directional(new Vector3(0.4f, -1.0f, -0.3f), new Vector3(1.0f, 0.95f, 0.85f), 2.0f));
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ICameraController[] cameraControllers =
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{
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new FreeFlyCameraController(cameraEntity),
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new OrbitCameraController(cameraEntity, new Vector3(0.0f, 0.5f, 0.0f))
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};
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var activeControllerIndex = 0;
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var cameraController = cameraControllers[activeControllerIndex];
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Console.WriteLine($"Active camera controller: {cameraController.Name} (press F to toggle)");
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if (testScene)
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{
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Console.WriteLine("Calibration test scene enabled.");
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CreateCalibrationScene(world, mesh);
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}
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else
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{
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CreateDemoScene(world, mesh);
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}
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#if !RELEASE_AOT
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WebApplication? mcpApp = null;
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Task? mcpTask = null;
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if (mcpPort > 0)
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{
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mcpApp = McpEngineServerHost.Create(args, queue, port: mcpPort);
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mcpTask = mcpApp.RunAsync();
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_ = mcpTask.ContinueWith(t =>
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{
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if (t.IsFaulted)
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Console.WriteLine($"MCP server error: {t.Exception?.GetBaseException().Message}");
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else if (t.IsCanceled)
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Console.WriteLine("MCP server canceled.");
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else
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Console.WriteLine("MCP server stopped.");
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}, TaskScheduler.Default);
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Console.WriteLine($"MCP HTTP server listening on http://localhost:{mcpPort}/ (SSE)");
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}
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else
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{
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Console.WriteLine("MCP server disabled (--mcp-port 0).");
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}
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#endif
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var frames = 0;
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var lastFpsTime = 0.0;
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var lastWidth = window.Width;
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var lastHeight = window.Height;
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var demoScreenshotRequested = false;
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var currentFps = 0;
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var tourPoses = testScene
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? new CameraPose[]
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{
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new("test_front", new Vector3(0.0f, 0.75f, -30.0f), new Vector3(0.0f, 0.5f, 0.0f), Vector3.UnitY),
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new("test_back", new Vector3(0.0f, 0.75f, 30.0f), new Vector3(0.0f, 0.5f, 0.0f), Vector3.UnitY),
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new("test_left", new Vector3(-30.0f, 0.75f, 0.0f), new Vector3(0.0f, 0.5f, 0.0f), Vector3.UnitY),
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new("test_right", new Vector3(30.0f, 0.75f, 0.0f), new Vector3(0.0f, 0.5f, 0.0f), Vector3.UnitY),
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new("test_top", new Vector3(0.0f, 30.0f, 0.0f), new Vector3(0.0f, 0.0f, 0.0f), -Vector3.UnitZ),
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new("test_shifted", new Vector3(15.0f, 0.75f, -22.5f), new Vector3(0.0f, 0.5f, 0.0f), Vector3.UnitY),
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new("test_rotated", new Vector3(0.0f, 0.75f, -30.0f), new Vector3(2.0f, 0.5f, 0.0f), Vector3.UnitY),
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new("test_yaw_15", new Vector3(7.76f, 0.75f, -28.98f), new Vector3(0.0f, 0.5f, 0.0f), Vector3.UnitY),
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new("test_yaw_30", new Vector3(15.0f, 0.75f, -25.98f), new Vector3(0.0f, 0.5f, 0.0f), Vector3.UnitY),
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new("test_yaw_45", new Vector3(21.21f, 0.75f, -21.21f), new Vector3(0.0f, 0.5f, 0.0f), Vector3.UnitY),
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new("test_yaw_90", new Vector3(30.0f, 0.75f, 0.0f), new Vector3(0.0f, 0.5f, 0.0f), Vector3.UnitY),
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new("test_pitch_45", new Vector3(0.0f, 21.96f, -21.21f), new Vector3(0.0f, 0.5f, 0.0f), Vector3.UnitY),
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new("test_close", new Vector3(0.0f, 0.75f, -15.0f), new Vector3(0.0f, 0.5f, 0.0f), Vector3.UnitY),
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new("test_far", new Vector3(0.0f, 0.75f, -60.0f), new Vector3(0.0f, 0.5f, 0.0f), Vector3.UnitY),
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new("test_farther", new Vector3(0.0f, 0.75f, -120.0f), new Vector3(0.0f, 0.5f, 0.0f), Vector3.UnitY),
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new("test_toward", new Vector3(0.0f, 0.75f, -20.0f), new Vector3(0.0f, 0.5f, 0.0f), Vector3.UnitY)
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}
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: new CameraPose[]
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{
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new("front", new Vector3(0.0f, 0.75f, -30.0f), new Vector3(0.0f, 0.5f, 0.0f), Vector3.UnitY),
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new("top", new Vector3(0.0f, 30.0f, 0.0f), new Vector3(0.0f, 0.0f, 0.0f), -Vector3.UnitZ),
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new("side", new Vector3(30.0f, 0.75f, 4.0f), new Vector3(0.0f, 0.5f, 0.0f), Vector3.UnitY),
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new("close", new Vector3(1.0f, 0.75f, -5.0f), new Vector3(0.5f, 0.5f, 0.0f), Vector3.UnitY),
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new("low", new Vector3(0.0f, 0.25f, -6.0f), new Vector3(0.0f, 0.5f, 0.0f), Vector3.UnitY),
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new("back", new Vector3(0.0f, 0.75f, 30.0f), new Vector3(0.0f, 0.5f, 0.0f), Vector3.UnitY)
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};
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var tourIndex = -1;
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var tourSettleFrames = 0;
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var tourScreenshotPending = false;
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var tourDone = false;
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while (!window.ShouldClose)
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{
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timing.Tick();
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window.PumpEvents();
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input.BeginFrame();
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var processed = queue.ProcessPending();
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if (processed > 0)
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Console.WriteLine($"Processed {processed} AI command(s)");
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if (window.Width != lastWidth || window.Height != lastHeight)
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{
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lastWidth = window.Width;
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lastHeight = window.Height;
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renderContext.Resize(lastWidth, lastHeight);
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ref var camera = ref cameraEntity.Ensure<Camera>();
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camera.AspectRatio = (float)lastWidth / lastHeight;
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}
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if (input.IsKeyPressed(Key.F))
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{
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activeControllerIndex = (activeControllerIndex + 1) % cameraControllers.Length;
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cameraController = cameraControllers[activeControllerIndex];
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Console.WriteLine($"Active camera controller: {cameraController.Name}");
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}
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if (!cameraTour)
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cameraController.Update(input, (float)timing.DeltaTime);
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if (cameraTour && !tourDone)
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{
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if (tourIndex < 0)
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{
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tourIndex = 0;
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SetCameraPose(cameraEntity, tourPoses[tourIndex]);
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tourSettleFrames = 0;
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tourScreenshotPending = true;
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}
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if (tourScreenshotPending)
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{
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tourSettleFrames++;
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if (tourSettleFrames >= 5)
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{
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var path = $"Screenshots/tour_{tourPoses[tourIndex].Name}.png";
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renderer.RequestScreenshot(path);
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Console.WriteLine($"Tour screenshot: {path}");
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tourScreenshotPending = false;
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}
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}
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if (!tourScreenshotPending && !renderer.IsScreenshotRequested)
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{
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tourIndex++;
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if (tourIndex >= tourPoses.Length)
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{
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tourDone = true;
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Console.WriteLine("Camera tour complete.");
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window.Close();
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}
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else
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{
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SetCameraPose(cameraEntity, tourPoses[tourIndex]);
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tourSettleFrames = 0;
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tourScreenshotPending = true;
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}
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}
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}
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if (!cameraTour)
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{
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var toInit = new List<(Entity, RigidBody, Transform)>();
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world.Each((Entity e, ref RigidBody rb, ref Transform t) =>
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{
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if (!rb.IsInitialized)
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toInit.Add((e, rb, t));
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});
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foreach (var (e, rbData, t) in toInit)
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{
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physicsWorld.CreateBody(e, rbData, t);
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var rb = rbData;
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rb.IsInitialized = true;
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e.Set(rb);
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}
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physicsWorld.Update((float)timing.DeltaTime);
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physicsWorld.SyncTransforms(world, null);
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}
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if (!demoScreenshotRequested && !cameraTour && frames >= 15)
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{
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renderer.RequestScreenshot("Screenshots/demo.png");
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demoScreenshotRequested = true;
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}
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if (imGuiLayer != null)
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{
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ImGui.NewFrame();
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ImGui.Begin("Cortex Engine Debug");
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ImGui.Text($"FPS: {currentFps}");
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ImGui.Text($"Delta: {timing.DeltaTime * 1000.0:F2} ms");
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ImGui.Text($"Camera: {cameraController.Name}");
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ImGui.Separator();
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var cam = cameraEntity.Get<Camera>();
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ImGui.Text($"Pos: ({cam.Position.X:F2}, {cam.Position.Y:F2}, {cam.Position.Z:F2})");
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ImGui.Text($"Target: ({cam.Target.X:F2}, {cam.Target.Y:F2}, {cam.Target.Z:F2})");
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ImGui.Separator();
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var entityCount = 0;
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world.Each((Entity e, ref Transform _) => entityCount++);
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ImGui.Text($"Entities: {entityCount}");
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ImGui.Text($"Press F to toggle camera");
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ImGui.Separator();
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ImGui.Text("Lights:");
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world.Each((Entity e, ref Light light) =>
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{
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ImGui.Text($" {e.Name()}: {light.Type} I={light.Intensity:F1}");
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});
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ImGui.End();
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ImGui.Render();
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}
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renderer.RenderWorld(world);
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queue.CompletePendingScreenshots();
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frames++;
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if (timing.TotalTime - lastFpsTime >= 1.0)
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{
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currentFps = frames;
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Console.WriteLine($"FPS: {frames}, Delta: {timing.DeltaTime * 1000.0:F2} ms");
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frames = 0;
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lastFpsTime = timing.TotalTime;
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}
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}
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Console.WriteLine("Shutting down...");
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imGuiLayer?.Dispose();
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#if !RELEASE_AOT
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if (mcpApp != null)
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await mcpApp.StopAsync();
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if (mcpTask != null)
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await mcpTask;
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#endif
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}
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catch (Exception ex)
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{
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Console.WriteLine($"Fatal error: {ex}");
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Environment.Exit(1);
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}
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}
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private static void CreateDemoScene(World world, Mesh mesh)
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{
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var sphere = ProceduralMesh.CreateSphere(0.5f, 32, 16, new Vector3(0.8f, 0.8f, 0.8f));
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var torusKnot = ObjLoader.Load("Content/torusknot.obj", new Vector3(0.8f, 0.8f, 0.8f));
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var cubes = new (string name, Vector3 pos, Vector3 color, float scale, float rough, float metal)[]
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{
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("CubeCenter", new Vector3(0, 5f, 0), new Vector3(0.9f, 0.6f, 0.3f), 0.5f, 0.3f, 0.1f),
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("CubeRed", new Vector3(0.3f, 7f, 0.3f), new Vector3(0.85f, 0.15f, 0.15f), 0.5f, 0.4f, 0.2f),
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("CubeGreen", new Vector3(-0.3f, 9f, -0.3f), new Vector3(0.2f, 0.8f, 0.3f), 0.5f, 0.5f, 0.0f),
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("CubeBlue", new Vector3(0.1f, 11f, 0.1f), new Vector3(0.2f, 0.4f, 0.9f), 0.6f, 0.2f, 0.3f),
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("CubeYellow", new Vector3(-0.2f, 13f, 0.2f), new Vector3(0.95f, 0.85f, 0.2f), 0.5f, 0.6f, 0.0f),
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("CubeOrange", new Vector3(0.15f, 15f, -0.1f), new Vector3(0.95f, 0.5f, 0.1f), 0.45f, 0.5f, 0.1f),
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};
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foreach (var (name, pos, color, scale, rough, metal) in cubes)
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{
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world.Entity(name)
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.Set(new Transform(pos, Quaternion.Identity, new Vector3(scale)))
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.Set(mesh)
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.Set(new Material(color, roughness: rough, metallic: metal))
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.Set(RigidBody.DynamicBox(new Vector3(scale * 0.5f), mass: scale * 2f));
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}
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var spheres = new (string name, Vector3 pos, Vector3 color, float scale, float rough, float metal)[]
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{
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("SphereGold", new Vector3(3, 6f, -2), new Vector3(1.0f, 0.85f, 0.4f), 1.0f, 0.1f, 1.0f),
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("SphereChrome", new Vector3(-3, 8f, 0), new Vector3(0.9f, 0.9f, 0.95f), 1.0f, 0.05f, 1.0f),
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("SphereRed", new Vector3(3, 10f, 2), new Vector3(0.9f, 0.1f, 0.1f), 1.0f, 0.4f, 0.0f),
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};
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foreach (var (name, pos, color, scale, rough, metal) in spheres)
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{
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world.Entity(name)
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.Set(new Transform(pos, Quaternion.Identity, new Vector3(scale)))
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.Set(sphere)
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.Set(new Material(color, roughness: rough, metallic: metal))
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.Set(RigidBody.DynamicSphere(scale * 0.5f, mass: scale));
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}
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world.Entity("TorusKnot")
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.Set(new Transform(new Vector3(0, 0.5f, -6), Quaternion.Identity, new Vector3(1.5f)))
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.Set(torusKnot)
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.Set(new Material(new Vector3(0.9f, 0.9f, 0.9f), roughness: 0.25f, metallic: 0.6f));
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world.Entity("Floor")
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.Set(new Transform(new Vector3(0, -0.5f, 0), Quaternion.Identity, new Vector3(20, 0.5f, 20)))
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.Set(mesh)
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.Set(new Material(new Vector3(0.45f, 0.45f, 0.5f), roughness: 0.8f, metallic: 0.0f))
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.Set(RigidBody.StaticPlane(20f));
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world.Entity("Grid")
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.Set(new Transform(new Vector3(0.0f, 0.0f, 0.0f), Quaternion.Identity, Vector3.One))
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.Set(ProceduralMesh.CreateGrid(20, 1.0f, new Vector3(0.5f, 0.5f, 0.55f)))
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.Set(new Material(new Vector3(0.5f, 0.5f, 0.55f), roughness: 0.9f, metallic: 0.0f));
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}
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private static void CreateCalibrationScene(World world, Mesh mesh)
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{
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var positions = new (string name, Vector3 pos, Vector3 color)[]
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{
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("CubeOrigin", new Vector3(0.0f, 0.5f, 0.0f), new Vector3(1.0f, 1.0f, 1.0f)),
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("CubeRight", new Vector3(2.0f, 0.5f, 0.0f), new Vector3(1.0f, 0.0f, 0.0f)),
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("CubeLeft", new Vector3(-2.0f, 0.5f, 0.0f), new Vector3(0.0f, 1.0f, 0.0f)),
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("CubeFront", new Vector3(0.0f, 0.5f, 2.0f), new Vector3(0.0f, 0.0f, 1.0f)),
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("CubeBack", new Vector3(0.0f, 0.5f, -2.0f), new Vector3(1.0f, 1.0f, 0.0f)),
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("CubeUp", new Vector3(0.0f, 2.5f, 0.0f), new Vector3(1.0f, 0.0f, 1.0f)),
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("CubeFar", new Vector3(0.0f, 0.5f, 8.0f), new Vector3(0.0f, 1.0f, 1.0f)),
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("CubeFarLeft", new Vector3(-5.0f, 0.5f, 5.0f), new Vector3(0.5f, 0.5f, 1.0f))
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};
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foreach (var (name, pos, color) in positions)
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{
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world.Entity(name)
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.Set(new Transform(pos, Quaternion.Identity, new Vector3(0.5f)))
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.Set(mesh)
|
|
.Set(new Material(color, roughness: 0.5f, metallic: 0.1f));
|
|
}
|
|
|
|
world.Entity("Grid")
|
|
.Set(new Transform(new Vector3(0.0f, 0.0f, 0.0f), Quaternion.Identity, Vector3.One))
|
|
.Set(ProceduralMesh.CreateGrid(20, 1.0f, new Vector3(0.5f, 0.5f, 0.55f)))
|
|
.Set(new Material(new Vector3(0.5f, 0.5f, 0.55f), roughness: 0.9f, metallic: 0.0f));
|
|
}
|
|
|
|
private static Mesh LoadModel(string path)
|
|
{
|
|
return path.EndsWith(".gltf", StringComparison.OrdinalIgnoreCase)
|
|
|| path.EndsWith(".glb", StringComparison.OrdinalIgnoreCase)
|
|
? GltfLoader.Load(path, new Vector3(0.7f, 0.6f, 0.5f))
|
|
: ObjLoader.Load(path, new Vector3(0.7f, 0.6f, 0.5f));
|
|
}
|
|
|
|
private static (string modelPath, int mcpPort) ParseArgs(string[] args)
|
|
{
|
|
var modelPath = FindModelPath(args);
|
|
var mcpPort = 5000;
|
|
|
|
for (var i = 0; i < args.Length; i++)
|
|
{
|
|
if (args[i] == "--mcp-port" && i + 1 < args.Length && int.TryParse(args[i + 1], out var port))
|
|
{
|
|
mcpPort = port;
|
|
break;
|
|
}
|
|
}
|
|
|
|
return (modelPath, mcpPort);
|
|
}
|
|
|
|
private static string FindModelPath(string[] args)
|
|
{
|
|
for (var i = 0; i < args.Length; i++)
|
|
{
|
|
var arg = args[i];
|
|
if (arg == "--mcp-port")
|
|
{
|
|
i++;
|
|
continue;
|
|
}
|
|
|
|
if (File.Exists(arg))
|
|
return arg;
|
|
}
|
|
|
|
var candidates = new[]
|
|
{
|
|
"Content/cube.obj",
|
|
"Models/cube.obj",
|
|
"cube.obj"
|
|
};
|
|
|
|
foreach (var candidate in candidates)
|
|
{
|
|
if (File.Exists(candidate))
|
|
return candidate;
|
|
}
|
|
|
|
throw new FileNotFoundException("No model file found. Pass a .obj/.gltf/.glb path as argument or place Content/cube.obj next to the executable.");
|
|
}
|
|
|
|
private static void RunMcpStdioServer()
|
|
{
|
|
Console.WriteLine("Starting headless stdio MCP server...");
|
|
using var world = World.Create();
|
|
var processor = new AiCommandProcessor(world, LoadModel, _ => { });
|
|
var server = new Engine.AI.Stdio.McpStdioServer(processor);
|
|
server.Run();
|
|
}
|
|
|
|
private readonly record struct CameraPose(string Name, Vector3 Position, Vector3 Target, Vector3 Up, float Fov = MathF.PI / 12.0f);
|
|
|
|
private static void SetCameraPose(Entity cameraEntity, CameraPose pose)
|
|
{
|
|
ref var camera = ref cameraEntity.Ensure<Camera>();
|
|
camera.Position = pose.Position;
|
|
camera.Target = pose.Target;
|
|
camera.Up = pose.Up;
|
|
camera.FieldOfView = pose.Fov;
|
|
cameraEntity.Set(camera);
|
|
Console.WriteLine($"Camera pose '{pose.Name}': pos={pose.Position}, target={pose.Target}, up={pose.Up}, fov={pose.Fov * 180f / MathF.PI:F0}°");
|
|
}
|
|
}
|