public void StartRenderer(int WindowWidth, int WindowHeight, string WindowTitle, Type executingType,
LuminalFlags Flags = 0, IImGuiTheme theme = null)
{
Log.Info($"--- Luminal Engine ---\nStarting at {WindowWidth} x {WindowHeight} (\"{WindowTitle}\")\nExecuting application: {executingType.Name}\n");
Width = WindowWidth;
Height = WindowHeight;
EngineFlags = Flags;
var config = LuminalConfigLoader.LoadConfig("Luminal.json");
AudioEngineManager.LoadEngine(config.AudioPlugin);
sceneManager = new SceneManager(executingType);
//sceneManager.SwitchScene("Dummy");
SDL.SDL_GL_SetAttribute(SDL.SDL_GLattr.SDL_GL_CONTEXT_MAJOR_VERSION, 2);
SDL.SDL_GL_SetAttribute(SDL.SDL_GLattr.SDL_GL_CONTEXT_MINOR_VERSION, 1);
Window = SDL.SDL_CreateWindow(WindowTitle, 200, 200, WindowWidth, WindowHeight,
SDL.SDL_WindowFlags.SDL_WINDOW_SHOWN | SDL.SDL_WindowFlags.SDL_WINDOW_OPENGL);
//Renderer = SDL.SDL_CreateRenderer(Window, 0, SDL.SDL_RendererFlags.SDL_RENDERER_ACCELERATED);
var winid = SDL.SDL_GetWindowID(Window);
SDL_GPU.GPU_SetInitWindow(winid);
Context.SetColour(255, 255, 255, 255);
Log.Info("Loading SDL2_ttf");
SDL_ttf.TTF_Init();
Log.Info("Loading SDL2_image");
SDL_image.IMG_Init(SDL_image.IMG_InitFlags.IMG_INIT_JPG | SDL_image.IMG_InitFlags.IMG_INIT_PNG |
SDL_image.IMG_InitFlags.IMG_INIT_TIF | SDL_image.IMG_InitFlags.IMG_INIT_WEBP);
SDL_GPU.GPU_SetPreInitFlags(GPU_InitFlagEnum.GPU_INIT_DISABLE_VSYNC);
//Screen = SDL_GPU.GPU_Init((uint)Width, (uint)Height, (uint)(SDL.SDL_WindowFlags.SDL_WINDOW_SHOWN | SDL.SDL_WindowFlags.SDL_WINDOW_OPENGL));
var winflags = SDL.SDL_WindowFlags.SDL_WINDOW_SHOWN | SDL.SDL_WindowFlags.SDL_WINDOW_OPENGL;
Screen = SDL_GPU.GPU_InitRenderer(GPU_RendererEnum.GPU_RENDERER_OPENGL_3, (uint)Width, (uint)Height, (uint)winflags);
SDL_GPU.GPU_SetDefaultAnchor(0, 0);
//GlContext = SDL.SDL_GL_CreateContext(Window);
if ((Flags | LuminalFlags.ENABLE_USER_OPENGL) > 0)
{
Log.Info("Enabling user-defined OpenGL and Dear IMGUI.");
OpenGLManager.Initialise();
theme ??= new LuminalTheme();
theme.InitTheme(ImGui.GetStyle(), ImGui.GetIO());
OpenGLManager.ImGuiCreateFontAtlas();
}
if (OnLoading != null)
{
OnLoading(this);
}
//var sdlResult = SDL.SDL_CreateWindowAndRenderer(WindowWidth, WindowHeight, 0, out Renderer, out Window);
//Console.WriteLine($"{sdlResult}");
//SDL.SDL_SetWindowTitle(Window, WindowTitle);
//Window.SetFramerateLimit(500);
if (OnFinishedLoad != null)
{
OnFinishedLoad(this);
}
WindowOpen = true;
sfClock = new Clock();
while (WindowOpen)
{
//SDL.SDL_SetRenderDrawColor(Renderer, 0, 0, 0, 255);
//SDL.SDL_RenderClear(Renderer);
//SDL.SDL_SetRenderDrawColor(Renderer, 255, 255, 255, 255);
SDL_GPU.GPU_ClearColor(Screen, Context.MakeColourFromRGBA(0, 0, 0, 255));
GUIManager.Begin();
if ((Flags | LuminalFlags.ENABLE_USER_OPENGL) > 0)
{
OpenGLManager.BeforeFrame();
}
if (OnGUI != null)
{
OnGUI(this);
}
if ((Flags | LuminalFlags.ENABLE_USER_OPENGL) > 0)
{
OpenGLManager.AfterGUI();
}
SDL.SDL_Event evt;
while (SDL.SDL_PollEvent(out evt) == 1)
{
if ((Flags | LuminalFlags.ENABLE_USER_OPENGL) > 0)
{
OpenGLManager.ImGuiHandleEvent(evt);
}
switch (evt.type)
{
case SDL.SDL_EventType.SDL_QUIT:
WinClose();
break;
case SDL.SDL_EventType.SDL_KEYDOWN:
var e = evt.key.keysym.scancode;
WinKeyDown(e);
break;
case SDL.SDL_EventType.SDL_KEYUP:
var k = evt.key.keysym.scancode;
WinKeyUp(k);
break;
case SDL.SDL_EventType.SDL_MOUSEBUTTONDOWN:
var m = evt.button.button;
MouseButtonDown(m, evt.button.x, evt.button.y);
break;
case SDL.SDL_EventType.SDL_MOUSEBUTTONUP:
var u = evt.button.button;
MouseButtonUp(u, evt.button.x, evt.button.y);
break;
case SDL.SDL_EventType.SDL_MOUSEMOTION:
var d = evt.motion;
MouseDrag(d.x, d.y, d.xrel, d.yrel);
break;
}
}
var t = sfClock.Restart();
AudioEngineManager.Engine.Update(t.AsSeconds());
if (sceneManager.ActiveScene != null)
{
sceneManager.ActiveScene.Update(this, t.AsSeconds());
}
if (OnUpdate != null)
{
OnUpdate(this, t.AsSeconds());
}
if ((Flags | LuminalFlags.ENABLE_USER_OPENGL) > 0)
{
OpenGLManager.Update(t.AsSeconds());
}
if (OnEarlyDraw != null)
{
OnEarlyDraw(this);
}
if ((Flags | LuminalFlags.ENABLE_USER_OPENGL) > 0)
{
OpenGLManager.EarlyDraw();
}
if (OnDraw != null)
{
OnDraw(this);
}
if (sceneManager.ActiveScene != null)
{
sceneManager.ActiveScene.Draw(this);
}
if (OnLateDraw != null)
{
OnLateDraw(this);
}
GUIManager.RenderAll();
SDL_GPU.GPU_ResetRendererState();
//SDL.SDL_RenderPresent(Renderer);
if ((Flags | LuminalFlags.ENABLE_USER_OPENGL) > 0)
{
OpenGLManager.Draw();
}
SDL_GPU.GPU_Flip(Screen);
GUIManager.End();
//SDL.SDL_Delay(1);
}
}
