private void renderControl_Render(object sender, EventArgs e)
{
this.Text = string.Format(System.Globalization.CultureInfo.InvariantCulture, "{0} - {1} FPS", Application.ProductName, Core.CurrentFramesPerSecond);
RenderControl renderControl = (sender as RenderControl);
if (takeScreenshot)
{
GL.ClearColor(1.0f, 1.0f, 1.0f, 0.0f);
}
GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit | ClearBufferMask.StencilBufferBit);
// OpenTK GLControl focus checking is GARBAGE, might as well leave the check here off -.-
if (renderControl.Focused)
{
OpenTK.Input.KeyboardState kbdState = OpenTK.Input.Keyboard.GetState();
if (kbdState[OpenTK.Input.Key.Q])
{
sunAngle += Core.DeltaTime / 15.0f;
}
if (kbdState[OpenTK.Input.Key.E])
{
sunAngle -= Core.DeltaTime / 15.0f;
}
lastKbd = kbdState;
camera.Update(Core.DeltaTime);
}
if (wireframe)
{
GL.PolygonMode(MaterialFace.FrontAndBack, PolygonMode.Line);
}
else
{
GL.PolygonMode(MaterialFace.FrontAndBack, PolygonMode.Fill);
}
if (culling)
{
GL.Enable(EnableCap.CullFace);
}
else
{
GL.Disable(EnableCap.CullFace);
}
if (shader != null)
{
Matrix4 tempMatrix = modelviewMatrix * camera.GetViewMatrix();
shader.SetUniformMatrix(modelviewMatrixName, false, tempMatrix);
shader.SetUniform(sunPositionName, new Vector3((float)(Math.Cos(sunAngle * Math.PI / 180.0) * 70.0f), (float)(Math.Sin(sunAngle * Math.PI / 180.0) * 70.0f), 0.0f));
shader.SetUniform(enableLightName, Convert.ToInt32(lighting));
}
if (meshes != null)
{
GL.Enable(EnableCap.Blend);
GL.BlendFunc(BlendingFactorSrc.SrcAlpha, BlendingFactorDest.OneMinusSrcAlpha);
shader.SetUniform(discardOpaqueName, 0);
foreach (Mesh mesh in meshes)
{
mesh.Render();
}
shader.SetUniform(discardOpaqueName, 1);
foreach (Mesh mesh in meshes)
{
mesh.Render();
}
}
if (!takeScreenshot && font != null)
{
GL.PolygonMode(MaterialFace.FrontAndBack, PolygonMode.Fill);
StringBuilder builder = new StringBuilder();
builder.AppendFormat(System.Globalization.CultureInfo.InvariantCulture, "{0:0} FPS\n", Core.CurrentFramesPerSecond);
if (meshes != null)
{
builder.AppendLine();
builder.AppendFormat(System.Globalization.CultureInfo.InvariantCulture, "Camera: WASD & Mouse+Left Button\n");
builder.AppendLine();
builder.AppendFormat(System.Globalization.CultureInfo.InvariantCulture, "Vsync (F1): {0}\n", renderControl.VSync);
builder.AppendFormat(System.Globalization.CultureInfo.InvariantCulture, "Wireframe (F2): {0}\n", wireframe);
builder.AppendFormat(System.Globalization.CultureInfo.InvariantCulture, "Culling (F3): {0}\n", culling);
builder.AppendFormat(System.Globalization.CultureInfo.InvariantCulture, "Lighting (F4): {0}\n", lighting);
builder.AppendLine();
builder.AppendFormat(System.Globalization.CultureInfo.InvariantCulture, "Rotate Light (Q/E)\n");
}
font.DrawString(8.0f, 8.0f, builder.ToString());
}
if (takeScreenshot)
{
renderControl.GrabScreenshot(true).Save(screenshotPath);
takeScreenshot = false;
GL.ClearColor(renderControl.BackColor);
}
}