public Renderer()
{
int sw = 1024;
int sh = 768;
Window = new GameWindow(sw,sh,OpenTK.Graphics.GraphicsMode.Default,"Client",GameWindowFlags.Default,DisplayDevice.Default, 2, 1, OpenTK.Graphics.GraphicsContextFlags.Default);
//Window.VSync = VSyncMode.On;
Window.UpdateFrame += HandleWindowUpdateFrame;
Window.RenderFrame += HandleWindowRenderFrame;
Tilemaps = new Dictionary<string, Tilemap> ();
Backgrounds = new Dictionary<int, Background> ();
ShaderCache = new Dictionary<int, int>();
Materials = new Dictionary<string, Material>();
_drawList = new List<Drawable> ();
_vb = new VertexBuffer();
GL.ShadeModel (ShadingModel.Smooth);
GL.Disable (EnableCap.CullFace);
GL.Enable (EnableCap.Texture2D);
GL.Disable (EnableCap.DepthTest);
GL.DepthMask(false);
GL.Enable (EnableCap.Blend);
GL.BlendFunc (BlendingFactorSrc.One, BlendingFactorDest.OneMinusSrcAlpha);
//GL.Enable (EnableCap.LineSmooth);
//GL.Hint (HintTarget.LineSmoothHint, HintMode.Nicest);
GL.PixelStore (PixelStoreParameter.UnpackAlignment, 1);
GL.ClearColor (0.3f, 0.3f, 0.3f, 1f);
GL.CullFace (CullFaceMode.Back);
GL.Disable(EnableCap.AlphaTest);
_rtt = new RenderToTexture(Width, Height);
_compositingMaterial = GetMaterial("distort");
ZoomLevel = 1.0f;
Window.Resize += (sender, e) =>
{
GL.Viewport (0, 0, Window.ClientSize.Width, Window.ClientSize.Height);
GL.MatrixMode (MatrixMode.Projection);
GL.LoadIdentity ();
GL.Ortho (0, Window.ClientSize.Width*ZoomLevel, Window.ClientSize.Height*ZoomLevel, 0, -100.0, 100.0);
};
Window.Unload += (sender, e) =>
{
var textures = (from t in Tilemaps.Values select t.Texture).ToArray();
GL.DeleteTextures(textures.Length, textures);
foreach(var m in Materials.Values)
m.Dispose();
_rtt.Dispose();
_compositingMaterial.Dispose();
};
}
internal void Flush(DrawState state)
{
if (_currentVertex == 0)
return;
GraphicsDevice device = state.GraphicsDevice;
using (var vertexBuffer = new VertexBuffer(device, VertexPositionTexture.VertexDeclaration, _vertices.Length, BufferUsage.None))
{
using (var indexBuffer = new IndexBuffer(device, IndexElementSize.SixteenBits, _quadIndices.Length, BufferUsage.None))
{
vertexBuffer.SetData(_vertices, 0, _vertices.Length);
indexBuffer.SetData(_quadIndices, 0, _quadIndices.Length);
device.Indices = indexBuffer;
device.SetVertexBuffer(vertexBuffer);
for (int i = 0; i < _textures.Count; i++)
{
device.Textures[0] = _textures[i];
device.DrawIndexedPrimitives(PrimitiveType.TriangleList, i * 4, 0, 4, 0, 2);
}
device.SetVertexBuffer(null);
device.Indices = null;
}
}
_currentVertex = 0;
_textures.Clear();
}
