/// <summary>
/// This event will be fired immediately after the Direct3D device has been
/// reset, which will happen after a lost device scenario. This is the best location to
/// create Pool.Default resources since these resources need to be reloaded whenever
/// the device is lost. Resources created here should be released in the OnLostDevice
/// event.
/// </summary>
public void OnResetDevice(object sender, DeviceEventArgs e)
{
// Now Create the VB
vertexBuffer = new VertexBuffer(typeof(CustomVertex.PositionNormalTextured), 100,
e.Device, Usage.WriteOnly, CustomVertex.PositionNormalTextured.Format, Pool.Default);
OnCreateVertexBuffer();
// Set up our view matrix. A view matrix can be defined given an eye point,
// a point to lookat, and a direction for which way is up. Here, we set the
// eye five units back along the z-axis and up three units, look at the
// origin, and define "up" to be in the y-direction.
e.Device.Transform.View = Matrix.LookAtLH(new Vector3(0.0f, 3.0f, -5.0f),
new Vector3(0.0f, 0.0f, 0.0f), new Vector3(0.0f, 1.0f, 0.0f));
// For the projection matrix, we set up a perspective transform (which
// transforms geometry from 3D view space to 2D viewport space, with
// a perspective divide making objects smaller in the distance). To build
// a perpsective transform, we need the field of view (1/4 pi is common),
// the aspect ratio, and the near and far clipping planes (which define at
// what distances geometry should be no longer be rendered).
e.Device.Transform.Projection = Matrix.PerspectiveFovLH((float)Math.PI / 4.0f, 1.0f, 1.0f, 100.0f);
// Setup the ambient color
e.Device.RenderState.AmbientColor = unchecked ((int)0xffffffff);
// Turn off culling, so we see the front and back of the triangle
e.Device.RenderState.CullMode = Cull.None;
// Turn off D3D lighting
e.Device.RenderState.Lighting = false;
// Turn on the ZBuffer
e.Device.RenderState.ZBufferEnable = true;
e.Device.SamplerState[0].AddressU = TextureAddress.Clamp;
e.Device.SamplerState[0].AddressV = TextureAddress.Clamp;
string path = Utility.FindMediaFile("video\\skiing.avi");
try
{
videoTexture = Video.FromFile(path);
videoTexture.Ending += new System.EventHandler(this.MovieOver);
videoTexture.TextureReadyToRender += new TextureRenderEventHandler(this.RenderIt);
// Now start rendering to our texture
videoTexture.RenderToTexture(e.Device);
canRender = true;
}
catch (Exception err)
{
MessageBox.Show(string.Format("An error has occurred that will not allow this sample to continue.\r\nException={0}", err.ToString()), "This sample must exit.", MessageBoxButtons.OK, MessageBoxIcon.Information);
sampleFramework.CloseWindow();
throw err;
}
}