static void Start(WebGLRenderingContext gl, TextureLoader textureLoader, ProgramManager programManager, Level level)
{
Action tick = () => Tick(gl, textureLoader, programManager, level);
tick();
Global.SetInterval(tick, 200);
}
public static void Main()
{
var canvas = Document.GetElementById <HTMLCanvasElement>("main");
var gl = WebGLHelpers.GetWebGLRenderingContext(canvas);
if (gl == null)
{
throw new InvalidOperationException("Your browser doesn't support WebGL rendering contexts");
}
Action onWindowLoadOrResize = () =>
{
canvas.Width = Window.InnerWidth;
canvas.Height = Window.InnerHeight;
};
Window.OnLoad = (e) => onWindowLoadOrResize();
Window.OnResize = (e) => onWindowLoadOrResize();
var textureLoader = new TextureLoader(Set <TextureInfo> .Empty
.Add(TextureInfo.Create(gl, "../Content/Images/sprites.png")));
/* Tuples of 'program ID', 'vertex shader ID' and 'fragment shader ID' */
var programManager = new ProgramManager(gl, Set <Tuple <string, string, string> > .Empty
.Add(Tuple.Create("prog-image", "image-vert-shader", "image-frag-shader"))
.Add(Tuple.Create("prog-line", "line-vert-shader", "line-frag-shader")));
var level = new Level();
textureLoader.AllLoaded += () => Start(gl, textureLoader, programManager, level);
textureLoader.ProcessTextures();
}
public void Render(WebGLRenderingContext gl, TextureLoader textureLoader, ProgramManager programManager)
{
var tileSize = TileType.GetTileSize();
var tilesInWidth = gl.Canvas.Width / tileSize.X + 1;
var tilesInHeight = gl.Canvas.Height / tileSize.Y + 1;
for (var y = 0; y < tilesInHeight; y++)
{
for (var x = 0; x < tilesInWidth; x++)
{
mapData.GetTile(x, y).Render(gl, textureLoader, programManager, (int)(x * tileSize.X), (int)(y * tileSize.Y));
}
}
/*
* var gridLineColour = new RGBAColour(0.1f, 1f, 0.5f, 1.0f);
*
* for (var i = 0; i <= Math.Max(gl.Canvas.Width, gl.Canvas.Height); i += 64)
* {
* if (i <= gl.Canvas.Height)
* WebGLHelpers.DrawLine(gl, programManager.Programs["prog-line"].Program,
* gridLineColour,
* 0, i, gl.Canvas.Width, i);
*
* if (i <= gl.Canvas.Width)
* WebGLHelpers.DrawLine(gl, programManager.Programs["prog-line"].Program,
* gridLineColour,
* i, 0, i, gl.Canvas.Height);
* }
*/
}
static void Render(WebGLRenderingContext gl, TextureLoader textureLoader, ProgramManager programManager, Level level)
{
gl.Viewport(0, 0, gl.DrawingBufferWidth, gl.DrawingBufferHeight);
gl.ClearColor(0, 0, 0, 1);
gl.Clear(gl.COLOR_BUFFER_BIT);
level.Render(gl, textureLoader, programManager);
}
public override void Render(WebGLRenderingContext gl, TextureLoader textureLoader, ProgramManager programManager, int x, int y)
{
WebGLHelpers.DrawImage(gl, textureLoader.Textures.First(), programManager.Programs["prog-image"].Program,
64, 0, 64, 64,
x, y, 64, 64);
}
public virtual void Render(WebGLRenderingContext gl, TextureLoader textureLoader, ProgramManager programManager, int x, int y)
{
throw new NotImplementedException();
}
static void Tick(WebGLRenderingContext gl, TextureLoader textureLoader, ProgramManager programManager, Level level)
{
Update(level);
Render(gl, textureLoader, programManager, level);
}
