Files
Cortex_Engine/src/CortexEngine.App/Program.cs
T

376 lines
15 KiB
C#

using System.Numerics;
using Engine.AI;
using Engine.Core;
using Engine.Core.Components;
using Engine.Graphics;
using Engine.Graphics.Loaders;
using Engine.Graphics.Vulkan;
using Engine.Physics;
using Flecs.NET.Core;
using ImGuiNET;
#if !RELEASE_AOT
using Engine.AI.Mcp;
using Microsoft.AspNetCore.Builder;
#endif
namespace CortexEngine.App;
class Program
{
static async Task Main(string[] args)
{
Console.WriteLine("Cortex Engine — Vulkan + Physics + AI/MCP (pure P/Invoke)...");
try
{
var mcpPort = ParseMcpPort(args);
using var world = World.Create();
using var physicsWorld = new PhysicsWorld();
VulkanBackendRegistrar.EnsureRegistered();
using var renderContext = RenderBackendFactory.Create("vulkan", 1280, 720, enableValidation: true);
var window = renderContext.Window;
var input = window.Input;
using var renderer = renderContext.CreateRenderer();
var processor = new AiCommandProcessor(world, p => LoadMesh(p, new Vector3(0.7f, 0.6f, 0.5f)), path => renderer.RequestScreenshot(path));
var queue = new AiCommandQueue(processor, new DummyScreenshotProvider());
#if !RELEASE_AOT
WebApplication? mcpApp = null;
var mcpStarted = false;
var frameCount = 0;
#endif
var cameraEntity = world.Entity("Camera")
.Set(new Camera(
new Vector3(0, 5, -15),
new Vector3(0, 0.5f, 0),
Vector3.UnitY,
MathF.PI / 4f,
1280f / 720f,
0.1f,
100f));
var cameraController = new FreeFlyCameraController(cameraEntity);
Console.WriteLine("Camera: FreeFly (WASD + right-click mouse look, Q/E up/down, Shift boost)");
CreateScene(world);
var hasImGui = renderer.GetType().Name == "VulkanRenderer";
VulkanRenderer? vkRenderer = hasImGui ? (VulkanRenderer)renderer : null;
if (hasImGui)
{
ImGui.GetIO().DisplaySize = new System.Numerics.Vector2(window.Width, window.Height);
Console.WriteLine("[App] ImGui initialized.");
}
var lastWidth = window.Width;
var lastHeight = window.Height;
var frames = 0;
var lastFpsTime = 0.0;
var timing = new Timing();
var totalTime = 0.0f;
while (!window.ShouldClose)
{
timing.Tick();
window.PumpEvents();
input.BeginFrame();
#if !RELEASE_AOT
frameCount++;
if (mcpPort > 0 && !mcpStarted && frameCount > 3)
{
mcpStarted = true;
var port = mcpPort;
var q = queue;
new Thread(() =>
{
try
{
mcpApp = McpEngineServerHost.Create(Array.Empty<string>(), q, port: port);
Console.WriteLine($"[App] MCP HTTP server listening on http://localhost:{port}/ (SSE)");
mcpApp.Run();
}
catch (Exception ex)
{
Console.WriteLine($"[App] MCP server error: {ex.Message}");
}
}) { IsBackground = true }.Start();
}
#endif
if (window.Width != lastWidth || window.Height != lastHeight)
{
lastWidth = window.Width;
lastHeight = window.Height;
renderContext.Resize(lastWidth, lastHeight);
ref var cam = ref cameraEntity.Ensure<Camera>();
cam.AspectRatio = (float)lastWidth / lastHeight;
cameraEntity.Set(cam);
}
cameraController.Update(input, (float)timing.DeltaTime);
totalTime += (float)timing.DeltaTime;
var toInit = new List<(Entity, RigidBody, Transform)>();
world.Each((Entity e, ref RigidBody rb, ref Transform t) =>
{
if (!rb.IsInitialized)
toInit.Add((e, rb, t));
});
foreach (var (e, rb, t) in toInit)
{
var rbInit = rb;
rbInit.IsInitialized = true;
e.Set(rbInit);
physicsWorld.CreateBody(e, rbInit, t);
}
physicsWorld.Update((float)timing.DeltaTime);
physicsWorld.SyncTransforms(world);
// Move light in a chaotic circle
var lightEntity = world.Lookup("MainLight");
if ((ulong)lightEntity.Id != 0)
{
var t = totalTime;
var lx = MathF.Sin(t * 0.7f) * 8f + MathF.Cos(t * 0.3f) * 3f;
var ly = 12f + MathF.Sin(t * 0.5f) * 5f;
var lz = MathF.Cos(t * 0.6f) * 8f + MathF.Sin(t * 0.4f) * 3f;
var lt = lightEntity.Get<Transform>();
lt.Position = new Vector3(lx, ly, lz);
lightEntity.Set(lt);
}
var processed = queue.ProcessPending();
if (processed > 0)
Console.WriteLine($"[App] Processed {processed} AI command(s)");
if (hasImGui)
{
var io = ImGui.GetIO();
io.DisplaySize = new System.Numerics.Vector2(window.Width, window.Height);
io.MousePos = new System.Numerics.Vector2(input.MouseX, input.MouseY);
io.MouseDown[0] = input.MouseLeft;
io.MouseDown[1] = input.MouseRight;
io.MouseDown[2] = input.MouseMiddle;
renderer.BeginImGuiFrame();
ImGui.Begin("Cortex Engine Debug");
ImGui.Text($"FPS: {frames}");
ImGui.Text($"Delta: {timing.DeltaTime * 1000.0:F2} ms");
var cam = cameraEntity.Get<Camera>();
ImGui.Separator();
ImGui.Text($"Camera Pos: ({cam.Position.X:F2}, {cam.Position.Y:F2}, {cam.Position.Z:F2})");
ImGui.Text($"Camera Target: ({cam.Target.X:F2}, {cam.Target.Y:F2}, {cam.Target.Z:F2})");
ImGui.Separator();
var entityCount = 0;
world.Each((Entity e, ref Transform _) => entityCount++);
ImGui.Text($"Entities: {entityCount}");
ImGui.Text($"MCP: {(mcpPort > 0 ? $"port {mcpPort}" : "disabled")}");
ImGui.Text("WASD: move | RMB: look | Q/E: up/down | Shift: boost");
ImGui.End();
// Shadow parameters panel
ImGui.Begin("Shadow Parameters");
var lightEntity2 = world.Lookup("MainLight");
if ((ulong)lightEntity2.Id != 0)
{
var lightComp = lightEntity2.Get<Light>();
var intensity = lightComp.Intensity;
var range = lightComp.Range;
var colorR = lightComp.Color.X;
var colorG = lightComp.Color.Y;
var colorB = lightComp.Color.Z;
ImGui.SliderFloat("Light Intensity", ref intensity, 0.0f, 100.0f, "%.1f");
ImGui.SliderFloat("Light Range", ref range, 5.0f, 100.0f, "%.1f");
ImGui.SliderFloat("Light R", ref colorR, 0.0f, 1.0f, "%.2f");
ImGui.SliderFloat("Light G", ref colorG, 0.0f, 1.0f, "%.2f");
ImGui.SliderFloat("Light B", ref colorB, 0.0f, 1.0f, "%.2f");
ImGui.Separator();
lightComp.Intensity = intensity;
lightComp.Range = range;
lightComp.Color = new Vector3(colorR, colorG, colorB);
lightEntity2.Set(lightComp);
}
var bias = vkRenderer.ShadowBias;
var sampleRadius = vkRenderer.ShadowSampleRadius;
var farPlane = vkRenderer.ShadowFarPlane;
ImGui.SliderFloat("Shadow Bias", ref bias, 0.001f, 0.5f, "%.4f");
ImGui.SliderFloat("Sample Radius", ref sampleRadius, 0.001f, 0.1f, "%.4f");
ImGui.SliderFloat("Far Plane", ref farPlane, 10.0f, 120.0f, "%.1f");
ImGui.Separator();
vkRenderer.ShadowBias = bias;
vkRenderer.ShadowSampleRadius = sampleRadius;
vkRenderer.ShadowFarPlane = farPlane;
ImGui.Text($"Current: bias={bias:F4} radius={sampleRadius:F4} far={farPlane:F1}");
if (ImGui.Button("Copy Parameters to Clipboard"))
{
var paramsText = $"bias={bias:F4}\nsampleRadius={sampleRadius:F4}\nfarPlane={farPlane:F1}\nshadowMapSize=2048";
var lightEntity3 = world.Lookup("MainLight");
if ((ulong)lightEntity3.Id != 0)
{
var lc = lightEntity3.Get<Light>();
paramsText += $"\nlightIntensity={lc.Intensity:F1}\nlightRange={lc.Range:F1}\nlightColor=({lc.Color.X:F2},{lc.Color.Y:F2},{lc.Color.Z:F2})";
}
ImGui.SetClipboardText(paramsText);
Console.WriteLine("[App] Parameters copied to clipboard:\n" + paramsText);
}
ImGui.End();
renderer.EndImGuiFrame();
}
renderer.RenderWorld(world);
queue.CompletePendingScreenshots();
frames++;
if (timing.TotalTime - lastFpsTime >= 1.0)
{
Console.WriteLine($"FPS: {frames}, Delta: {timing.DeltaTime * 1000.0:F2} ms");
frames = 0;
lastFpsTime = timing.TotalTime;
}
}
Console.WriteLine("Shutting down...");
#if !RELEASE_AOT
if (mcpApp != null)
await mcpApp.StopAsync();
#endif
}
catch (Exception ex)
{
Console.WriteLine($"Fatal error: {ex}");
Environment.Exit(1);
}
await Task.CompletedTask;
}
static int ParseMcpPort(string[] args)
{
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))
return port;
}
return 0;
}
static void CreateScene(World world)
{
var torusKnot = LoadMesh("Content/torusknot.obj", new Vector3(0.9f, 0.7f, 0.3f));
var sphere = ProceduralMesh.CreateSphere(0.7f, 32, 16, new Vector3(0.3f, 0.6f, 0.9f));
var grid = ProceduralMesh.CreateGrid(20, 1.0f, new Vector3(0.4f, 0.4f, 0.45f));
world.Entity("TorusKnot")
.Set(new Transform(new Vector3(0, 4f, 0), Quaternion.Identity, new Vector3(1.5f)))
.Set(torusKnot);
var cubes = new (string name, Vector3 pos, float scale, Vector3 color)[]
{
("CubeLeft", new(-5, 5, 0), 1.5f, new(0.8f, 0.2f, 0.2f)),
("CubeRight", new(5, 8, 0), 1.5f, new(0.2f, 0.8f, 0.3f)),
("CubeFront", new(0, 6, 5), 1.5f, new(0.2f, 0.4f, 0.9f)),
("CubeBack", new(0, 10, -5), 1.5f, new(0.9f, 0.9f, 0.2f)),
};
foreach (var (name, pos, scale, color) in cubes)
{
var c = LoadMesh("Content/cube.obj", color);
world.Entity(name)
.Set(new Transform(pos, Quaternion.Identity, new Vector3(scale)))
.Set(c)
.Set(RigidBody.DynamicBox(new Vector3(scale * 0.5f), mass: scale * 2f));
}
var spheres = new (string name, Vector3 pos)[]
{
("Sphere1", new(-3, 7, -2)),
("Sphere2", new(3, 9, 2)),
("Sphere3", new(-2, 12, 3)),
};
foreach (var (name, pos) in spheres)
{
world.Entity(name)
.Set(new Transform(pos, Quaternion.Identity, Vector3.One))
.Set(sphere)
.Set(RigidBody.DynamicSphere(0.7f, mass: 1.5f));
}
var rand = new Random(42);
for (var i = 0; i < 50; i++)
{
var x = (float)(rand.NextDouble() * 16 - 8);
var y = (float)(rand.NextDouble() * 15 + 5);
var z = (float)(rand.NextDouble() * 16 - 8);
var r = 0.3f + (float)rand.NextDouble() * 0.5f;
var color = new Vector3(
0.3f + (float)rand.NextDouble() * 0.7f,
0.3f + (float)rand.NextDouble() * 0.7f,
0.3f + (float)rand.NextDouble() * 0.7f);
var ballMesh = ProceduralMesh.CreateSphere(r, 16, 8, color);
world.Entity($"Ball{i}")
.Set(new Transform(new Vector3(x, y, z), Quaternion.Identity, Vector3.One))
.Set(ballMesh)
.Set(RigidBody.DynamicSphere(r, mass: r * 2f));
}
world.Entity("Floor")
.Set(new Transform(new Vector3(0, -0.5f, 0), Quaternion.Identity, new Vector3(20, 0.5f, 20)))
.Set(LoadMesh("Content/cube.obj", new Vector3(0.3f, 0.3f, 0.35f)))
.Set(RigidBody.StaticBox(new Vector3(20, 0.5f, 20)));
world.Entity("Grid")
.Set(new Transform(Vector3.Zero, Quaternion.Identity, Vector3.One))
.Set(grid);
world.Entity("MainLight")
.Set(new Transform(new Vector3(0, 20, 0), Quaternion.Identity, Vector3.One))
.Set(Light.Point(new Vector3(0, 20, 0), new Vector3(1.0f, 0.95f, 0.85f), intensity: 15.0f, range: 60.0f));
var entityCount = 0;
world.Each((Entity e, ref Transform _) => entityCount++);
Console.WriteLine($"[Scene] {entityCount} entities: torus knot + 4 dynamic cubes + 3 dynamic spheres + static floor + grid");
}
static Mesh LoadMesh(string path, Vector3 color)
{
if (!File.Exists(path))
{
var altPath = Path.Combine(AppContext.BaseDirectory, path);
if (!File.Exists(altPath))
{
altPath = Path.Combine(AppContext.BaseDirectory, "Content", Path.GetFileName(path));
if (!File.Exists(altPath))
throw new FileNotFoundException($"Mesh file not found: {path}");
}
return ObjLoader.Load(altPath, color);
}
return ObjLoader.Load(path, color);
}
class DummyScreenshotProvider : Engine.Core.IScreenshotProvider
{
public Task<byte[]> CaptureAsync(string outputPath) => Task.FromResult(Array.Empty<byte>());
}
}