//Loads image at specified path
public bool loadFromFile(string path)
{
//Get rid of preexisting texture
free();
//The final texture
IntPtr newTexture = IntPtr.Zero;
//Load image at specified path
IntPtr loadedSurface = SDL_image.IMG_Load(path);
if (loadedSurface == IntPtr.Zero)
{
Console.WriteLine("Unable to load image {0}! SDL Error: {1}", path, SDL.SDL_GetError());
}
else
{
var s = Marshal.PtrToStructure <SDL.SDL_Surface>(loadedSurface);
//Color key image
SDL.SDL_SetColorKey(loadedSurface, (int)SDL.SDL_bool.SDL_TRUE, SDL.SDL_MapRGB(s.format, 0, 0xFF, 0xFF));
//Create texture from surface pixels
newTexture = SDL.SDL_CreateTextureFromSurface(Program.gRenderer, loadedSurface);
if (newTexture == IntPtr.Zero)
{
Console.WriteLine("Unable to create texture from {0}! SDL Error: {1}", path, SDL.SDL_GetError());
}
else
{
//Get image dimensions
mWidth = s.w;
mHeight = s.h;
}
//Get rid of old loaded surface
SDL.SDL_FreeSurface(loadedSurface);
}
//Return success
mTexture = newTexture;
return(mTexture != IntPtr.Zero);
}
public static void OnImageLoad(object sender, HtmlImageLoadEventArgs args)
{
Console.WriteLine(directory + args.Src);
if (!_imageSurface.ContainsKey(args.Src))
{
var img_surface = SDL_image.IMG_Load(directory + args.Src);
if (img_surface.ShowSDLError("OnImageLoad: Unable to IMG_Load!"))
{
return;
}
_imageSurface[args.Src] = img_surface;
}
args.Handled = true;
//foreach (var kv in args.Attributes)
//Console.WriteLine("{0}: {1}", kv.Key, kv.Value);
args.Callback(_imageSurface[args.Src]);
}
public void Load(string filename)
{
var surface = SDL_image.IMG_Load(filename);
if (surface == null)
{
Log.Instance.Debug($"Failed to load image! SDL error: {SDL.SDL_GetError()}");
throw new InvalidOperationException(SDL.SDL_GetError());
}
_texturePtr = SDL.SDL_CreateTextureFromSurface(SDLRenderer.Instance.RenderPtr, surface);
SDL.SDL_DestroyTexture(surface);
if (_texturePtr == null)
{
Log.Instance.Debug($"Failed to create texture! SDL error: {SDL.SDL_GetError()}");
throw new InvalidOperationException(SDL.SDL_GetError());
}
}
public static PixelBuffer PixelBuffer(string path)
{
if (pixelBuffers == null)
{
pixelBuffers = new Dictionary <string, PixelBuffer>();
}
if (!pixelBuffers.ContainsKey(path))
{
var pixelBufferPath = LoadPath(path);
var surfPointer = SDL_image.IMG_Load(pixelBufferPath);
var surface = System.Runtime.InteropServices.Marshal.PtrToStructure <SDL.SDL_Surface>(
surfPointer
);
if (System.Runtime.InteropServices.Marshal.PtrToStructure <SDL.SDL_PixelFormat>(surface.format).format != SDL.SDL_PIXELFORMAT_RGBA8888)
{
surfPointer = SDL.SDL_ConvertSurfaceFormat(surfPointer, SDL.SDL_PIXELFORMAT_ABGR8888, 0);
surface = System.Runtime.InteropServices.Marshal.PtrToStructure <SDL.SDL_Surface>(
surfPointer
);
}
Color32[] pixels = new Color32[surface.w * surface.h];
unsafe
{
var colors = ((Color32 *)surface.pixels);
for (int i = 0; i < pixels.Length; i++)
{
pixels[i] = colors[i];
}
}
var pixelBuffer = new PixelBuffer(
pixels,
surface.w
);
pixelBuffers.Add(path, pixelBuffer);
}
return(pixelBuffers[path]);
}
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 raw_sur = Marshal.PtrToStructure <SDL_Surface>(sur);
var tex = SDL_GPU.GPU_CopyImageFromSurface(sur);
// I'll free the surface right here and see if weirdness happens
SDL_FreeSurface(sur);
img = new Image()
{
Texture = tex,
Width = raw_sur.w,
Height = raw_sur.h
};
return(true);
}
internal Surface(string filePath, SurfaceType surfaceType)
{
if (String.IsNullOrEmpty(filePath))
{
throw new ArgumentNullException(nameof(filePath));
}
FilePath = filePath;
Type = surfaceType;
IntPtr unsafeHandle = SDL_image.IMG_Load(FilePath);
if (unsafeHandle == IntPtr.Zero)
{
throw new InvalidOperationException($"Error while loading image surface: {SDL.SDL_GetError()}");
}
safeHandle = new SafeSurfaceHandle(unsafeHandle);
GetSurfaceMetaData();
}
public void Load(AtlasPage page, string path)
{
IntPtr tmp = SDL_image.IMG_Load(path);
tmp = SDL.SDL_ConvertSurfaceFormat(tmp, SDL.SDL_PIXELFORMAT_ABGR8888, 0);
SDL.SDL_Surface surface = Marshal.PtrToStructure <SDL.SDL_Surface>(tmp);
var textureIdList = new uint[1];
_gl.GenTextures(1, textureIdList);
var textureId = textureIdList[0];
_gl.BindTexture(OpenGL.GL_TEXTURE_2D, textureId);
_gl.TexImage2D(OpenGL.GL_TEXTURE_2D, 0, OpenGL.GL_RGBA, surface.w, surface.h, 0, OpenGL.GL_RGBA, OpenGL.GL_UNSIGNED_BYTE, surface.pixels);
_gl.TexParameter(OpenGL.GL_TEXTURE_2D, OpenGL.GL_TEXTURE_MAG_FILTER, OpenGL.GL_LINEAR);
_gl.TexParameter(OpenGL.GL_TEXTURE_2D, OpenGL.GL_TEXTURE_MIN_FILTER, OpenGL.GL_LINEAR);
SDL.SDL_FreeSurface(tmp);
page.rendererObject = textureId;
}
private void LoadImages()
{
// Пока загружаем все файлы с расширением PNG из каталога Assets.
// Идентификатором будет являться наименование файла.
var assetsPath = Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().Location);
assetsPath = Path.Combine(assetsPath, "Assets");
foreach (var texturePath in Directory.GetFiles(assetsPath, "*.png", SearchOption.AllDirectories))
{
var texture = SDL_image.IMG_Load(texturePath);
if (texture == IntPtr.Zero)
{
_logger.Error("Ошибка при загруке файла изображения {texturePath}. Текстура не создана.", texturePath);
continue;
}
var textureIndent = Path.GetFileNameWithoutExtension(texturePath);
_logger.Debug("Загружено изображение \"{textureIndent}\" из {texturePath}", textureIndent, texturePath);
_textures.Add(textureIndent, texture);
}
}
private TextureStruct BMPToTexture(string imagePath, byte r, byte g, byte b)
{
TextureStruct finalTexture = new TextureStruct(IntPtr.Zero, 0, 0);
IntPtr sprite = IntPtr.Zero;
//loads all (supported) images, not only BMP
sprite = SDL_image.IMG_Load(imagePath);
//sprite = SDL_LoadBMP(imagePath);
if (sprite == IntPtr.Zero)
{
Console.Write("Unable to load image: " + imagePath + " SDL Error:" + SDL_GetError() + " \n");
SDL_FreeSurface(sprite);
return(finalTexture);
}
//Set Colorkey
var format = ((SDL_Surface)Marshal.PtrToStructure(sprite, typeof(SDL_Surface))).format;
SDL_SetColorKey(sprite, 1, SDL_MapRGB(format, r, g, b));
IntPtr myTexture = SDL_CreateTextureFromSurface(renderer, sprite);
if (myTexture == IntPtr.Zero)
{
Console.Write("Unable to create texture! SDL Error:" + SDL_GetError() + " \n");
Console.Write(imagePath + " \n");
SDL_FreeSurface(sprite);
return(finalTexture);
}
finalTexture.h = ((SDL_Surface)Marshal.PtrToStructure(sprite, typeof(SDL_Surface))).h;
finalTexture.w = ((SDL_Surface)Marshal.PtrToStructure(sprite, typeof(SDL_Surface))).w;
finalTexture.texture = myTexture;
SDL_FreeSurface(sprite);
return(finalTexture);
}
/// <summary>
/// Default constructor
/// </summary>
/// <param name="hero">The hero.</param>
/// <param name="map">The map.</param>
/// <param name="renderer">The renderer.</param>
public Graphics(Hero hero, Map map, IntPtr renderer)
{
this.hero = hero;
this.map = map;
this.renderer = renderer;
SDL_image.IMG_Init(SDL_image.IMG_InitFlags.IMG_INIT_JPG);
SDL.SDL_SetRenderDrawColor(renderer, 255, 255, 255, 0);
// Load the images from the media folder.
var heroImg = SDL_image.IMG_Load("media//hero.jpg");
var wallImg = SDL_image.IMG_Load("media//wall.jpg");
var boxImg = SDL_image.IMG_Load("media//box.jpg");
var slotImg = SDL_image.IMG_Load("media//slot.jpg");
var boxOnSlotImg = SDL_image.IMG_Load("media//boxOnSlot.jpg");
var victoryImg = SDL_image.IMG_Load("media//victory.jpg");
HeroTex = SDL.SDL_CreateTextureFromSurface(renderer, heroImg);
WallTex = SDL.SDL_CreateTextureFromSurface(renderer, wallImg);
BoxTex = SDL.SDL_CreateTextureFromSurface(renderer, boxImg);
SlotTex = SDL.SDL_CreateTextureFromSurface(renderer, slotImg);
BoxOnSlotTex = SDL.SDL_CreateTextureFromSurface(renderer, boxOnSlotImg);
VictoryTex = SDL.SDL_CreateTextureFromSurface(renderer, victoryImg);
}
public static SDLSurface Load(string File)
{
return(new SDLSurface(SDL_image.IMG_Load(File)));
}
public void Run()
{
if (SDL.SDL_Init(SDL.SDL_INIT_VIDEO) != 0)
{
Console.WriteLine("Unable to init SDL. Error: {0}", SDL.SDL_GetError());
return;
}
windowPtr = SDL.SDL_CreateWindow("WARWARRIOR4", SDL.SDL_WINDOWPOS_UNDEFINED,
SDL.SDL_WINDOWPOS_UNDEFINED, WindowWidth, WindowHeight,
SDL.SDL_WindowFlags.SDL_WINDOW_RESIZABLE);
if (windowPtr == IntPtr.Zero)
{
Console.WriteLine("Unable to init window. Error: {0}", SDL.SDL_GetError());
return;
}
IntPtr iconImage = SDL_image.IMG_Load("assets/textures/player.png");
SDL.SDL_SetWindowIcon(windowPtr, iconImage);
// Init hardware accelerated graphics if possible, fall back on software
rendererPtr = SDL.SDL_CreateRenderer(windowPtr, -1, SDL.SDL_RendererFlags.SDL_RENDERER_ACCELERATED | SDL.SDL_RendererFlags.SDL_RENDERER_PRESENTVSYNC);
if (rendererPtr == IntPtr.Zero)
{
Console.WriteLine("Unable to init accelerated graphics. {0}", SDL.SDL_GetError());
SDL.SDL_ClearError();
Console.WriteLine("Fall back on software");
rendererPtr = SDL.SDL_CreateRenderer(windowPtr, -1, SDL.SDL_RendererFlags.SDL_RENDERER_SOFTWARE);
if (rendererPtr == IntPtr.Zero)
{
Console.WriteLine("Unable to init software renderer. Error: {0}", SDL.SDL_GetError());
return;
}
DebugDelay = 16;
}
Init();
Load(rendererPtr);
Stopwatch stopwatch = new Stopwatch();
long frames = 0;
stopwatch.Start();
long lastTime = stopwatch.ElapsedMilliseconds;
while (!quit)
{
float deltaTime = (stopwatch.ElapsedMilliseconds - lastTime) / 1000.0f;
lastTime = stopwatch.ElapsedMilliseconds;
elapsedMilliseconds = stopwatch.ElapsedMilliseconds;
HandleEvents();
UpdateLogic(deltaTime);
RenderScene(rendererPtr);
frames++;
SDL.SDL_Delay(DebugDelay); // used for testing frame rate independent code
}
stopwatch.Stop();
long fps = frames / ((stopwatch.ElapsedMilliseconds / 1000) > 0 ? (stopwatch.ElapsedMilliseconds / 1000) : 1);
Console.WriteLine($"Average FPS: {fps}");
Cleanup();
}
public unsafe static void Pack(Config config)
{
Console.WriteLine("Checking directories...");
for (int i = 0; i < config.Directories.Count; i++)
{
if (!Directory.Exists(config.Directories[i]))
{
throw new Exception($"Input directory: '{config.Directories[i]}' does not exist.");
}
}
if (!Directory.Exists(config.Output))
{
_ = Directory.CreateDirectory(config.Output);
}
// Clear out previously built atlases
foreach (string file in Directory.GetFiles(config.Output, $"*{config.Name}*.png"))
{
File.Delete(file);
}
foreach (string file in Directory.GetFiles(config.Output, $"*{config}.xml"))
{
File.Delete(file);
}
Console.WriteLine("Loading surfaces...");
List <(string, IntPtr)> surfaces = new List <(string, IntPtr)>();
int err = SDL_image.IMG_Init(SDL_image.IMG_InitFlags.IMG_INIT_PNG | SDL_image.IMG_InitFlags.IMG_INIT_JPG | SDL_image.IMG_InitFlags.IMG_INIT_TIF);
if (err < 0)
{
throw new Exception(SDL_GetError());
}
foreach (string dir in config.Directories)
{
List <string> dirs = new List <string>()
{
dir
};
dirs.AddRange(Directory.GetDirectories(dir, "*", new EnumerationOptions()
{
RecurseSubdirectories = true
}));
foreach (string file in dirs.SelectMany(d => Directory.GetFiles(d, config.FileFilter)))
{
string ext = Path.GetExtension(file);
switch (ext)
{
case ".png":
case ".bmp":
case ".jpeg":
case ".jpg":
case ".tiff":
case ".tif":
case ".gif":
case ".tga":
IntPtr image = SDL_image.IMG_Load(file);
if (((SDL_PixelFormat *)((SDL_Surface *)image)->format)->format != SDL_PIXELFORMAT_ABGR8888)
{
image = SDL_ConvertSurfaceFormat(image, SDL_PIXELFORMAT_ABGR8888, 0);
}
surfaces.Add((file.Substring(dir.Length).Replace('\\', '/').TrimStart('/'), image));
break;
default:
continue;
}
}
}
Console.WriteLine("Computing, blitting and saving atlases...");
int count = 0;
var atlas = SDL_CreateRGBSurfaceWithFormat(0, config.AtlasWidth, config.AtlasHeight, 32, SDL_PIXELFORMAT_ABGR8888);
var sources = new List <(string id, int index, bool rot, SDL_Rect rect)>();
var mrbp = new MaxRectsBinPack(config.AtlasWidth, config.AtlasHeight, config.AllowRotations);
// Until the full list is emptied out, find the next best image to place
// If the mrbp starts returning 0 rectangles, create a new atlas and continue
while (surfaces.Count > 0)
{
int lowestScore1 = int.MaxValue;
int lowestScore2 = int.MaxValue;
int bestIndex = -1;
SDL_Rect best = new SDL_Rect();
for (int i = 0; i < surfaces.Count; ++i)
{
int score1 = 0;
int score2 = 0;
SDL_Rect newNode = mrbp.ScoreRect(((SDL_Surface *)surfaces[i].Item2)->w, ((SDL_Surface *)surfaces[i].Item2)->h,
MaxRectsBinPack.FreeRectChoiceHeuristic.RectBestShortSideFit, ref score1, ref score2);
if (score1 < lowestScore1 || score1 == lowestScore1 && score2 < lowestScore2)
{
lowestScore1 = score1;
lowestScore2 = score2;
best = newNode;
bestIndex = i;
}
}
if (bestIndex == -1)
{
_ = SDL_image.IMG_SavePNG(atlas, Path.Combine(config.Output, config.Name + count.ToString() + ".png"));
SDL_FreeSurface(atlas);
atlas = SDL_CreateRGBSurfaceWithFormat(0, config.AtlasWidth, config.AtlasHeight, 32, SDL_PIXELFORMAT_ABGR8888);
mrbp.Init(config.AtlasWidth, config.AtlasHeight, config.AllowRotations);
count++;
}
else
{
var sptr = (SDL_Surface *)surfaces[bestIndex].Item2;
bool flipped = sptr->h == best.w;
if (flipped)
{
var flipd = (SDL_Surface *)SDL_CreateRGBSurfaceWithFormat(0, sptr->h, sptr->w, 32, SDL_PIXELFORMAT_ABGR8888);
for (int y = 0; y < sptr->h; y++)
{
for (int x = 0; x < sptr->w; x++)
{
// swapping the coords and inverting one produces rotation
uint *target = (uint *)(flipd->pixels + x * flipd->pitch + (sptr->h - y - 1) * 4);
* target = *(uint *)(sptr->pixels + y * sptr->pitch + x * 4);
}
}
_ = SDL_BlitSurface(new IntPtr(flipd), IntPtr.Zero, atlas, ref best);
SDL_FreeSurface(new IntPtr(flipd));
SDL_FreeSurface(new IntPtr(sptr));
}
else
{
_ = SDL_BlitSurface(new IntPtr(sptr), IntPtr.Zero, atlas, ref best);
SDL_FreeSurface(new IntPtr(sptr));
}
sources.Add((surfaces[bestIndex].Item1, count, flipped, best));
surfaces.RemoveAt(bestIndex);
mrbp.PlaceRect(best);
}
}
// save current/last atlas
_ = SDL_image.IMG_SavePNG(atlas, Path.Combine(config.Output, config.Name + count.ToString() + ".png"));
SDL_FreeSurface(atlas);
Console.WriteLine("Writing json data to disk...");
// Write JSON data
File.WriteAllText(Path.Combine(config.Output, config.Name + ".json"), Newtonsoft.Json.JsonConvert.SerializeObject(sources));
sources.Clear();
Console.WriteLine("Done");
}