static void CreateContext(/*params string[] RequiredExtensions*/)
{
GConsole.WriteLine("Initializing OpenGL");
#if DEBUG
Khronos.KhronosApi.Log += (S, E) => {
if (E.Name == "glGetError")
{
return;
}
Console.ForegroundColor = ConsoleColor.Yellow;
Console.WriteLine("OpenGL> {0}", string.Format("{0}({1}) = {2}", E.Name, string.Join(", ", E.Args), E.ReturnValue ?? "null"));
Console.ResetColor();
};
Khronos.KhronosApi.LogEnabled = false; //*/
#endif
GConsole.WriteLine("Initializing GLFW");
Glfw.ConfigureNativesDirectory("native/glfw3_64");
if (!Glfw.Init())
{
FatalError("Could not initialize GLFW");
}
Glfw.SetErrorCallback((Err, Msg) => {
FatalError("GLFW({0}) {1}", Err, Msg);
});
Width = CVar.GetInt("width", 800);
Height = CVar.GetInt("height", 600);
Glfw.WindowHint(Glfw.Hint.Resizable, CVar.GetBool("resizable"));
//Glfw.WindowHint(Glfw.Hint.ClientApi, Glfw.ClientApi.None);
Glfw.WindowHint(Glfw.Hint.ClientApi, Glfw.ClientApi.OpenGL);
Glfw.WindowHint(Glfw.Hint.ContextCreationApi, Glfw.ContextApi.Native);
Glfw.WindowHint(Glfw.Hint.Doublebuffer, CVar.GetBool("gl_doublebuffer"));
Glfw.WindowHint(Glfw.Hint.ContextVersionMajor, CVar.GetInt("gl_major"));
Glfw.WindowHint(Glfw.Hint.ContextVersionMinor, CVar.GetInt("gl_minor"));
Glfw.WindowHint(Glfw.Hint.Samples, CVar.GetInt("gl_samples"));
Glfw.WindowHint(Glfw.Hint.OpenglForwardCompat, CVar.GetBool("gl_forwardcompat"));
Glfw.WindowHint(Glfw.Hint.OpenglProfile, Glfw.OpenGLProfile.Core);
#if DEBUG
Glfw.WindowHint(Glfw.Hint.OpenglDebugContext, true);
#endif
GConsole.WriteLine("Creating window");
Window = Glfw.CreateWindow(Width, Height, "libTech");
if (!Window)
{
FatalError("Could not create window({0}x{1})", Width, Height);
}
Gl.Initialize();
Glfw.MakeContextCurrent(Window);
/*bool AllSupported = true;
*
* for (int i = 0; i < RequiredExtensions.Length; i++) {
* if (!Glfw.ExtensionSupported(RequiredExtensions[i])) {
* GConsole.WriteLine("{0} not supported", RequiredExtensions[i]);
* AllSupported = false;
* }
* }
*
* if (!AllSupported)
* while (true)
* Thread.Sleep(10);*/
#if DEBUG
Gl.DebugMessageCallback((Src, DbgType, ID, Severity, Len, Buffer, UserPtr) => {
if (Severity == Gl.DebugSeverity.Notification)
{
return;
}
GConsole.WriteLine("OpenGL {0} {1} {2}, {3}", Src, DbgType, ID, Severity);
GConsole.WriteLine(Encoding.ASCII.GetString((byte *)Buffer, Len));
if ((/*Severity == Gl.DebugSeverity.Medium ||*/ Severity == Gl.DebugSeverity.High) && Debugger.IsAttached)
{
Debugger.Break();
}
}, IntPtr.Zero);
Gl.Enable((EnableCap)Gl.DEBUG_OUTPUT);
Gl.Enable((EnableCap)Gl.DEBUG_OUTPUT_SYNCHRONOUS);
#endif
GConsole.WriteLine("{0}, {1}", Gl.GetString(StringName.Vendor), Gl.GetString(StringName.Renderer));
GConsole.WriteLine("OpenGL {0}", Gl.GetString(StringName.Version));
GConsole.WriteLine("GLSL {0}", Gl.GetString(StringName.ShadingLanguageVersion));
Gl.ClearColor(69 / 255.0f, 112 / 255.0f, 56 / 255.0f, 1.0f);
// F**k the police
Gl.Enable((EnableCap)Gl.DEPTH_CLAMP);
Gl.Enable(EnableCap.Blend);
//Gl.VERTEX_PROGRAM_POINT_SIZE;
Gl.Enable((EnableCap)Gl.VERTEX_PROGRAM_POINT_SIZE);
//Gl.Enable((EnableCap)Gl.SAMPLE_SHADING);
//Gl.Enable(EnableCap.FramebufferSrgb);
Gl.BlendEquationSeparate(BlendEquationMode.FuncAdd, BlendEquationMode.FuncAdd);
Gl.BlendFuncSeparate(BlendingFactor.SrcAlpha, BlendingFactor.OneMinusSrcAlpha, BlendingFactor.SrcAlpha, BlendingFactor.OneMinusSrcAlpha);
//Gl.BlendEquation(BlendEquationMode.FuncAdd);
//Gl.BlendFunc(BlendingFactor.One, BlendingFactor.One);
ShaderProgram.LoadDefaultShaders();
}
static void Main(string[] args)
{
CVar.InitMode = true;
CVar.Register("game", "basegame", CVarType.Replicated | CVarType.Init, (This, Old, New) => This.Value = Path.GetFullPath((string)New));
CVar.Register("width", 1366, CVarType.Archive);
CVar.Register("height", 768, CVarType.Archive);
CVar.Register("borderless", false, CVarType.Archive);
CVar.Register("resizable", false, CVarType.Archive);
CVar.Register("gl_doublebuffer", true, CVarType.Archive);
CVar.Register("gl_samples", 8, CVarType.Archive);
CVar.Register("gl_forwardcompat", true, CVarType.Archive | CVarType.Init | CVarType.Unsafe);
CVar.Register("gl_major", 4, CVarType.Archive | CVarType.Init | CVarType.Unsafe);
CVar.Register("gl_minor", 5, CVarType.Archive | CVarType.Init | CVarType.Unsafe);
// Parse all arguments and set CVars
foreach (var Arg in ArgumentParser.All)
{
switch (Arg.Key)
{
case "console":
GConsole.Open = true;
break;
default: {
CVar CVar = CVar.Find(Arg.Key);
if (CVar != null)
{
CVar.Value = Arg.Value.LastOrDefault();
}
else
{
CVar.Register(Arg.Key, Arg.Value.LastOrDefault());
}
break;
}
}
}
CVar.InitMode = false;
foreach (var CVar in CVar.GetAll())
{
GConsole.WriteLine(CVar);
}
FileWatcher.Init("content");
Importers.RegisterAll(Reflect.GetExeAssembly());
CreateContext();
InitPhysics();
LoadContent();
Stopwatch SWatch = Stopwatch.StartNew();
float Target = 1.0f / 120;
float Dt = Target;
TextureTarget Tgt = TextureTarget.Texture2dMultisample;
if (CVar.GetInt("gl_samples") == 0)
{
Tgt = TextureTarget.Texture2d;
}
Texture ColorTex = new Texture(Width, Height, Tgt, 1, InternalFormat.Rgb16f);
Texture DepthTex = new Texture(Width, Height, Tgt, 1, InternalFormat.Depth24Stencil8);
Framebuffer FB = new Framebuffer();
FB.AttachColorTexture(ColorTex);
FB.AttachDepthTexture(DepthTex);
Texture SkyboxCubeMap = new Texture(1024, 1024, TextureTarget.TextureCubeMap, 1, InternalFormat.Srgb8Alpha8);
SkyboxCubeMap.SetFilter(Gl.LINEAR, Gl.LINEAR);
SkyboxCubeMap.SubImage3D(Image.FromFile("content/textures/skybox/interstellar/front.png"), Z: Texture.FRONT);
SkyboxCubeMap.SubImage3D(Image.FromFile("content/textures/skybox/interstellar/back.png"), Z: Texture.BACK);
SkyboxCubeMap.SubImage3D(Image.FromFile("content/textures/skybox/interstellar/left.png"), Z: Texture.LEFT);
SkyboxCubeMap.SubImage3D(Image.FromFile("content/textures/skybox/interstellar/right.png"), Z: Texture.RIGHT);
SkyboxCubeMap.SubImage3D(Image.FromFile("content/textures/skybox/interstellar/top.png"), Z: Texture.TOP);
SkyboxCubeMap.SubImage3D(Image.FromFile("content/textures/skybox/interstellar/bottom.png"), Z: Texture.BOTTOM);
//FB.Clear(new Vector4(1, 0, 0, 1));
Model SkyboxCube = Importers.Load <Model>("content/models/cube.obj");
SkyboxCube.Scale = new Vector3(2);
SkyboxCube.Meshes[0].Material.Shader = ShaderProgram.Skybox;
SkyboxCube.Meshes[0].Material.Diffuse = SkyboxCubeMap;
//bool DoDebug = true;
while (!Glfw.WindowShouldClose(Window))
{
/*if (Khronos.KhronosApi.LogEnabled) {
* Khronos.KhronosApi.LogCommand("END FRAME", null, null);
* Khronos.KhronosApi.LogEnabled = false;
* }
*
* if (DoDebug) {
* DoDebug = false;
* Khronos.KhronosApi.LogEnabled = true;
* Khronos.KhronosApi.LogCommand("BEGIN FRAME", null, null);
* }*/
Update(Dt);
Gl.Clear(ClearBufferMask.DepthBufferBit | ClearBufferMask.ColorBufferBit | ClearBufferMask.StencilBufferBit);
FB.Bind();
{
Gl.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit | ClearBufferMask.StencilBufferBit);
SetupState();
Gl.Disable(EnableCap.CullFace);
Gl.DepthMask(false);
SkyboxCube.Position = Camera.ActiveCamera?.Position ?? Vector3.Zero;
SkyboxCube.Draw();
Gl.DepthMask(true);
DrawScene(Dt);
}
FB.Unbind();
// Swap to GUI camera
Gl.Disable(EnableCap.DepthTest);
Gl.Disable(EnableCap.CullFace);
Camera.ActiveCamera = Camera.GUICamera;
Immediate.UseShaders(() => {
if (ColorTex.Multisampled)
{
Immediate.TriangleShader = ShaderProgram.PostMultisample;
Immediate.TriangleShader.Uniform2f("TexSize", new Vector2(ColorTex.Width, ColorTex.Height));
}
else
{
Immediate.TriangleShader = ShaderProgram.Post;
}
Immediate.TriangleShader.Uniform1f("Exposure", 1.0f);
Gl.Enable(EnableCap.FramebufferSrgb);
Immediate.Texture2D(Vector2.Zero, ColorTex, UVInvertY: true);
Gl.Disable(EnableCap.FramebufferSrgb);
});
DrawGUI(Dt);
Glfw.SwapBuffers(Window);
// Cap at Target framerate
while ((float)SWatch.ElapsedMilliseconds / 1000 < Target)
{
;
}
Dt = (float)SWatch.ElapsedMilliseconds / 1000;
FPS = (int)(1.0f / Dt);
SWatch.Restart();
}
Environment.Exit(0);
}
