public void RawDraw(string Text, float x = 0, float y = 0)
{
if (!Engine.WindowOpen)
{
return;
}
SDL.SDL_Rect rect = new();
rect.x = 0;
rect.y = 0;
SDL_ttf.TTF_SizeUTF8(FontPointer, Text, out rect.w, out rect.h);
IntPtr sur = SDL_ttf.TTF_RenderUTF8_Blended(FontPointer, Text, Context.Colour);
// SDL_Surface*
//SDL.SDL_BlitSurface(sur, IntPtr.Zero, Engine.Renderer, ref rect);
IntPtr tex = SDL_GPU.GPU_CopyImageFromSurface(sur);
SDL_GPU.GPU_SetAnchor(tex, 0f, 0f); // MY TEXT IS ALL CENTERED
GPU_Rect r = new();
r.x = 0;
r.y = 0;
r.w = rect.w;
r.h = rect.h;
SDL_GPU.GPU_Blit(tex, ref r, Engine.Screen, x, y);
SDL_GPU.GPU_FlushBlitBuffer();
SDL.SDL_FreeSurface(sur);
SDL_GPU.GPU_FreeImage(tex);
}
public void Draw(string Index, float x = 0, float y = 0)
{
if (!Engine.WindowOpen)
{
return;
}
var r = SpriteMap[Index];
var t = (GPU_Rect)r;
SDL_GPU.GPU_Blit(Texture, ref t, Engine.Screen, x, y);
}
public void Quit()
{
AudioEngineManager.Engine.Dispose(); // Clean up after ourselves
WindowOpen = false;
//SDL.SDL_DestroyWindow(Window);
//SDL.SDL_DestroyRenderer(Renderer);
SDL_GPU.GPU_Quit();
Context.FreeAllImages();
}
public static bool LoadFrom(string path, out MultiplexedImage img)
{
var sur = SDL_image.IMG_Load(path);
var tex = SDL_GPU.GPU_CopyImageFromSurface(sur);
SDL.SDL_FreeSurface(sur);
img = new MultiplexedImage()
{
Texture = tex
};
return(true);
}
public static bool LoadFrom(string Path, out Image img)
{
var p = Path;
// SDL_Surface* IMG_Load(const char* path);
var sur = SDL_image.IMG_Load(p);
var tex = SDL_GPU.GPU_CopyImageFromSurface(sur);
// I'll free the surface right here and see if weirdness happens
SDL.SDL_FreeSurface(sur);
img = new Image()
{
Texture = tex
};
return(true);
}
public void Draw(float x = 0, float y = 0)
{
if (!Engine.WindowOpen)
{
return;
}
var sourceRect = new GPU_Rect()
{
x = 0,
y = 0,
w = Width,
h = Height
};
//SDL_QueryTexture(Texture, out _, out _, out int tw, out int th);
SDL_GPU.GPU_Blit(Texture, ref sourceRect, Engine.Screen, x, y);
}
public void Draw(float x = 0, float y = 0)
{
if (!Engine.WindowOpen)
{
return;
}
var sourceRect = new GPU_Rect()
{
x = 0,
y = 0
};
SDL.SDL_QueryTexture(Texture, out _, out _, out int tw, out int th);
sourceRect.w = tw;
sourceRect.h = th;
SDL_GPU.GPU_Blit(Texture, ref sourceRect, Engine.Screen, x, y);
}
public void Destroy()
{
SDL_GPU.GPU_FreeImage(Texture);
}
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);
}
}
