private static void SetupCameraMatricesInternal(MyRenderMessageSetCameraViewMatrix message, MyEnvironmentMatrices envMatrices, MyStereoRegion typeofEnv)
{
var originalProjection = message.ProjectionMatrix;
var viewMatrix = message.ViewMatrix;
var cameraPosition = message.CameraPosition;
if (MyStereoRender.Enable)
{
if (MyOpenVR.Static != null && message.LastMomentUpdateIndex != 0)
{
MatrixD origin = MatrixD.Identity;
MyOpenVR.LMUMatrixGetOrigin(ref origin, message.LastMomentUpdateIndex);
viewMatrix = MatrixD.Invert(origin);
}
}
var viewMatrixAt0 = viewMatrix;
viewMatrixAt0.M14 = 0;
viewMatrixAt0.M24 = 0;
viewMatrixAt0.M34 = 0;
viewMatrixAt0.M41 = 0;
viewMatrixAt0.M42 = 0;
viewMatrixAt0.M43 = 0;
viewMatrixAt0.M44 = 1;
if (MyStereoRender.Enable)
{
if (MyOpenVR.Static != null)
{
if (message.LastMomentUpdateIndex != 0)
{
var tViewMatrix = Matrix.Transpose(viewMatrix);
var viewHMDat0 = MyOpenVR.ViewHMD;
viewHMDat0.M14 = 0;
viewHMDat0.M24 = 0;
viewHMDat0.M34 = 0;
viewHMDat0.M41 = 0;
viewHMDat0.M42 = 0;
viewHMDat0.M43 = 0;
viewHMDat0.M44 = 1;
//cameraPosition += tViewMatrix.Up * MyOpenVR.ViewHMD.Translation.Y;
//cameraPosition += tViewMatrix.Backward * MyOpenVR.ViewHMD.Translation.X;
//cameraPosition += tViewMatrix.Right * MyOpenVR.ViewHMD.Translation.Z;
viewMatrixAt0 = viewMatrixAt0 * viewHMDat0;
viewMatrix = viewMatrix * viewHMDat0;
if (!MyOpenVR.Debug2DImage && typeofEnv == MyStereoRegion.LEFT)
{
viewMatrixAt0 = GetMatrixEyeTranslation(true, viewMatrixAt0) * viewMatrixAt0;
viewMatrix = GetMatrixEyeTranslation(true, viewMatrix) * viewMatrix;
}
else if (!MyOpenVR.Debug2DImage && typeofEnv == MyStereoRegion.RIGHT)
{
viewMatrixAt0 = GetMatrixEyeTranslation(false, viewMatrixAt0) * viewMatrixAt0;
viewMatrix = GetMatrixEyeTranslation(false, viewMatrix) * viewMatrix;
}
}
}
else
{
if (!MyOpenVR.Debug2DImage && typeofEnv == MyStereoRegion.LEFT)
{
viewMatrixAt0 = GetMatrixEyeTranslation(true, viewMatrixAt0) * viewMatrixAt0;
viewMatrix = GetMatrixEyeTranslation(true, viewMatrix) * viewMatrix;
}
else if (!MyOpenVR.Debug2DImage && typeofEnv == MyStereoRegion.RIGHT)
{
viewMatrixAt0 = GetMatrixEyeTranslation(false, viewMatrixAt0) * viewMatrixAt0;
viewMatrix = GetMatrixEyeTranslation(false, viewMatrix) * viewMatrix;
}
}
}
float aspectRatio = MyRender11.ResolutionF.X / MyRender11.ResolutionF.Y;
if (typeofEnv != MyStereoRegion.FULLSCREEN)
aspectRatio /= 2;
Matrix projMatrix = Matrix.CreatePerspectiveFovRhInfiniteComplementary(message.FOV, aspectRatio, message.NearPlane);
cameraPosition.AssertIsValid();
envMatrices.ViewAt0 = viewMatrixAt0;
envMatrices.InvViewAt0 = Matrix.Invert(viewMatrixAt0);
envMatrices.ViewProjectionAt0 = viewMatrixAt0 * projMatrix;
envMatrices.InvViewProjectionAt0 = Matrix.Invert(viewMatrixAt0 * projMatrix);
envMatrices.CameraPosition = cameraPosition;
envMatrices.View = viewMatrix;
envMatrices.ViewD = viewMatrix;
envMatrices.OriginalProjectionD = originalProjection;
envMatrices.InvView = Matrix.Invert(viewMatrix);
envMatrices.ViewProjection = viewMatrix * projMatrix;
envMatrices.InvViewProjection = Matrix.Invert(viewMatrix * projMatrix);
envMatrices.Projection = projMatrix;
envMatrices.InvProjection = Matrix.Invert(projMatrix);
envMatrices.ViewProjectionD = envMatrices.ViewD * (MatrixD)projMatrix;
envMatrices.NearClipping = message.NearPlane;
envMatrices.FarClipping = message.FarPlane;
envMatrices.LargeDistanceFarClipping = message.FarPlane*500.0f;
envMatrices.FovY = message.FOV;
MyUtils.Init(ref envMatrices.ViewFrustumD);
envMatrices.ViewFrustumD.Matrix = envMatrices.ViewProjectionD;
MyUtils.Init(ref envMatrices.ViewFrustumClippedD);
envMatrices.ViewFrustumClippedD.Matrix = envMatrices.ViewD * envMatrices.OriginalProjectionD;
}
private static void SetupCameraMatrices(MyRenderMessageSetCameraViewMatrix message)
{
SetupCameraMatricesInternal(message, MyRender11.Environment.Matrices, MyStereoRegion.FULLSCREEN);
if (MyStereoRender.Enable)
{
SetupCameraMatricesInternal(message, MyStereoRender.EnvMatricesLeftEye, MyStereoRegion.LEFT);
SetupCameraMatricesInternal(message, MyStereoRender.EnvMatricesRightEye, MyStereoRegion.RIGHT);
}
}
