wehub-resource-sync
126 lines
4.8 KiB
C#
126 lines
4.8 KiB
C#
using SharpDX.Direct3D11;
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using T3.Core.Rendering;
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using T3.Core.Utils;
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using Utilities = T3.Core.Utils.Utilities;
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namespace Lib.point.helper;
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[Guid("0cfc80fc-7b98-4cf7-982f-1aa42697bb76")]
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internal sealed class CpuPointToCamera : Instance<CpuPointToCamera>
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,ICamera,ICameraPropertiesProvider
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{
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[Output(Guid = "A94FD64D-14D7-479F-BA9F-2BFD161CC80A")]
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public readonly Slot<Object> CamReference = new();
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public CpuPointToCamera()
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{
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CamReference.UpdateAction += Update;
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}
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private void Update(EvaluationContext context)
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{
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var points = CamPointBuffer.GetValue(context);
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if (points is not StructuredList<Point> pointList || pointList.NumElements == 0)
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return;
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var p = pointList.TypedElements[0];
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// var f = SamplePos.GetValue(context).Clamp(0,points.NumElements-1);
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// var i0 = (int)f.ClampMin(0);
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// var i1 = (i0+1).ClampMax(points.NumElements-1);
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// var a = pointList.TypedElements[i0];
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// var b = pointList.TypedElements[i1];
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// var t = f - i0;
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// var p = new Point
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// {
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// Position = Vector3.Lerp(a.Position, b.Position,t),
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// Orientation = Quaternion.Slerp(a.Orientation, b.Orientation,t),
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// };
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var aspectRatio = AspectRatio.GetValue(context);
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if (aspectRatio < 0.0001f)
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{
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aspectRatio = (float)context.RequestedResolution.Width / context.RequestedResolution.Height;
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}
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var position = p.Position;
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Vector3 forward = Vector3.Transform(Vector3.UnitZ, p.Orientation);
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var target = position + forward;
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var up = Vector3.Transform(Vector3.UnitY, p.Orientation);
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CameraDefinition = new CameraDefinition
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{
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NearFarClip = ClipPlanes.GetValue(context),
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LensShift = LensShift.GetValue(context),
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PositionOffset = PositionOffset.GetValue(context),
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Position = position,
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Target = target,
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Up = up,
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AspectRatio = aspectRatio,
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FieldOfView = FieldOfView.GetValue(context).ToRadians(),
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Roll = Roll.GetValue(context),
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RotationOffset = RotationOffset.GetValue(context),
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OffsetAffectsTarget = AlsoOffsetTarget.GetValue(context)
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};
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CameraDefinition.BuildProjectionMatrices(out var camToClipSpace, out var worldToCamera);
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// Set properties and evaluate sub tree
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CameraPosition = position;
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CameraTarget = target;
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WorldToCamera = worldToCamera;
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CameraToClipSpace = camToClipSpace;
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CamReference.Value = this;
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}
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[Input(Guid = "B8DCE7D9-8316-493F-B7FB-3BDCF08C9FF8")]
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public readonly InputSlot<StructuredList> CamPointBuffer = new();
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[Input(Guid = "7B957556-29DC-451E-91BD-C859C19C7CA0")]
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public readonly InputSlot<float> SamplePos = new();
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[Input(Guid = "7BDE5A5A-CE82-4903-92FF-14E540A605F0")]
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public readonly InputSlot<float> FieldOfView = new();
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[Input(Guid = "764CA304-FC86-48A9-9C82-A04FAC7EADB2")]
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public readonly InputSlot<float> Roll = new();
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// --- offset
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[Input(Guid = "FEE19916-846F-491A-A2EE-1E7B1AC8E533")]
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public readonly InputSlot<Vector3> PositionOffset = new();
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[Input(Guid = "123396F0-62C4-43CD-8BE0-A661553D4783")]
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public readonly InputSlot<bool> AlsoOffsetTarget = new();
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[Input(Guid = "D4D0F046-297B-440A-AEF8-C2F0426EF4F5")]
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public readonly InputSlot<Vector3> RotationOffset = new();
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[Input(Guid = "AE275370-A684-42FB-AB7A-50E16D24082D")]
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public readonly InputSlot<Vector2> LensShift = new();
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// --- options
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[Input(Guid = "199D4CE0-AAB1-403A-AD42-216EF1061A0E")]
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public readonly InputSlot<Vector2> ClipPlanes = new();
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[Input(Guid = "F66E91A1-B991-48C3-A8C9-33BCAD0C2F6F")]
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public readonly InputSlot<float> AspectRatio = new();
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[Input(Guid = "E6DFBFB9-EFED-4C17-8860-9C1A1CA2FA38")]
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public readonly InputSlot<Vector3> Up = new();
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public Vector3 CameraPosition { get; set; }
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public Vector3 CameraTarget { get; set; }
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public float CameraRoll { get; set; }
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public CameraDefinition CameraDefinition { get; private set; } = new();
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public Matrix4x4 WorldToCamera { get; set; }
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public Matrix4x4 LastObjectToWorld { get; set; }
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public Matrix4x4 CameraToClipSpace { get; set; }
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} |