static void ProcessDebugMessages()
{
bool clearPersistent = false;
m_persistentDebugMessagesTemp.Clear();
var linesBatch = MyLinesRenderer.CreateBatch();
var noDepthLinesBatch = MyLinesRenderer.CreateBatch();
noDepthLinesBatch.IgnoreDepth = true;
var lines2D = MyLinesRenderer.CreateBatch();
lines2D.IgnoreDepth = true;
while (m_debugDrawMessages.Count > 0)
{
MyRenderMessageBase debugDrawMessage = m_debugDrawMessages.Dequeue();
if (debugDrawMessage.IsPersistent)
{
m_persistentDebugMessagesTemp.Add(debugDrawMessage);
}
MyRenderMessageEnum messageType = debugDrawMessage.MessageType;
switch (messageType)
{
case MyRenderMessageEnum.DebugDrawLine3D:
{
MyRenderMessageDebugDrawLine3D message = (MyRenderMessageDebugDrawLine3D)debugDrawMessage;
if (message.DepthRead)
{
linesBatch.Add(message.PointFrom - MyRender11.Environment.Matrices.CameraPosition, message.PointTo - MyRender11.Environment.Matrices.CameraPosition, message.ColorFrom, message.ColorTo);
}
else
{
noDepthLinesBatch.Add(message.PointFrom - MyRender11.Environment.Matrices.CameraPosition, message.PointTo - MyRender11.Environment.Matrices.CameraPosition, message.ColorFrom, message.ColorTo);
}
break;
}
case MyRenderMessageEnum.DebugDrawLine2D:
{
MyRenderMessageDebugDrawLine2D message = (MyRenderMessageDebugDrawLine2D)debugDrawMessage;
var matrix = message.Projection ?? Matrix.CreateOrthographicOffCenter(0, MyRender11.ViewportResolution.X, MyRender11.ViewportResolution.Y, 0, 0, -1);
if (!lines2D.CustomViewProjection.HasValue || (lines2D.CustomViewProjection.HasValue && lines2D.CustomViewProjection.Value != matrix))
{
lines2D.Commit();
lines2D = MyLinesRenderer.CreateBatch();
lines2D.IgnoreDepth = true;
lines2D.CustomViewProjection = matrix;
}
var p0 = new Vector3(message.PointFrom.X, message.PointFrom.Y, 0);
var p1 = new Vector3(message.PointTo.X, message.PointTo.Y, 0);
lines2D.Add(p0, p1, message.ColorFrom, message.ColorTo);
break;
}
case MyRenderMessageEnum.DebugDrawPoint:
{
MyRenderMessageDebugDrawPoint message = (MyRenderMessageDebugDrawPoint)debugDrawMessage;
var batch = message.DepthRead ? linesBatch : noDepthLinesBatch;
var scale = 0.125f;
var borderDepth = MyRender11.UseComplementaryDepthBuffer ? 0.0f : 1.0f;
borderDepth = message.ClipDistance.HasValue ? Vector3.Transform(new Vector3(0, 0, -message.ClipDistance.Value), MyRender11.Environment.Matrices.Projection).Z : borderDepth;
var clipPosition = Vector3D.Transform(message.Position, MyRender11.Environment.Matrices.ViewProjectionAt0);
clipPosition.X = clipPosition.X * 0.5f + 0.5f;
clipPosition.Y = clipPosition.Y * -0.5f + 0.5f;
//Debug.Assert(MyRender11.UseComplementaryDepthBuffer);
Vector3 position = (Vector3)(message.Position - MyRender11.Environment.Matrices.CameraPosition);
bool drawCondition =
MyRender11.UseComplementaryDepthBuffer
? clipPosition.Z > borderDepth && clipPosition.Z < 1
: clipPosition.Z < borderDepth && clipPosition.Z > 0;
if (drawCondition)
{
batch.Add(position + Vector3.UnitX * scale, position - Vector3.UnitX * scale, message.Color);
batch.Add(position + Vector3.UnitY * scale, position - Vector3.UnitY * scale, message.Color);
batch.Add(position + Vector3.UnitZ * scale, position - Vector3.UnitZ * scale, message.Color);
}
break;
}
case MyRenderMessageEnum.DebugDrawSphere:
{
MyRenderMessageDebugDrawSphere message = (MyRenderMessageDebugDrawSphere)debugDrawMessage;
var borderDepth = MyRender11.UseComplementaryDepthBuffer ? 0.0f : 1.0f;
borderDepth = message.ClipDistance.HasValue ? Vector3.Transform(new Vector3(0, 0, -message.ClipDistance.Value), MyRender11.Environment.Matrices.Projection).Z : borderDepth;
Vector3D position = message.Position - MyRender11.Environment.Matrices.CameraPosition;
var clipPosition = Vector3D.Transform(position, MyRender11.Environment.Matrices.ViewProjectionAt0);
clipPosition.X = clipPosition.X * 0.5f + 0.5f;
clipPosition.Y = clipPosition.Y * -0.5f + 0.5f;
bool drawCondition =
MyRender11.UseComplementaryDepthBuffer
? clipPosition.Z > borderDepth && clipPosition.Z < 1
: clipPosition.Z < borderDepth && clipPosition.Z > 0;
if (drawCondition)
{
var batch = message.DepthRead ? linesBatch : noDepthLinesBatch;
batch.AddSphereRing(new BoundingSphere(position, message.Radius), message.Color, Matrix.Identity);
batch.AddSphereRing(new BoundingSphere(position, message.Radius), message.Color, Matrix.CreateRotationX(MathHelper.PiOver2));
batch.AddSphereRing(new BoundingSphere(position, message.Radius), message.Color, Matrix.CreateRotationZ(MathHelper.PiOver2));
}
break;
}
case MyRenderMessageEnum.DebugDrawAABB:
{
MyRenderMessageDebugDrawAABB message = (MyRenderMessageDebugDrawAABB)debugDrawMessage;
BoundingBox aabb = (BoundingBox)message.AABB;
aabb.Translate(-MyRender11.Environment.Matrices.CameraPosition);
if (message.DepthRead)
{
linesBatch.AddBoundingBox(aabb, message.Color);
}
else
{
noDepthLinesBatch.AddBoundingBox(aabb, message.Color);
}
if (message.Shaded)
{
unsafe
{
Vector3 *points = stackalloc Vector3[8];
aabb.GetCornersUnsafe(points);
MyPrimitivesRenderer.Draw6FacedConvexZ(points, message.Color, message.Alpha);
}
}
break;
}
case MyRenderMessageEnum.DebugDraw6FaceConvex:
{
MyRenderMessageDebugDraw6FaceConvex convex = (MyRenderMessageDebugDraw6FaceConvex)debugDrawMessage;
if (convex.Fill)
{
MyPrimitivesRenderer.Draw6FacedConvex(convex.Vertices, convex.Color, convex.Alpha);
}
else
{
if (convex.DepthRead)
{
linesBatch.Add6FacedConvexWorld(convex.Vertices, convex.Color);
}
else
{
noDepthLinesBatch.Add6FacedConvexWorld(convex.Vertices, convex.Color);
}
}
break;
}
case MyRenderMessageEnum.DebugDrawCone:
{
MyRenderMessageDebugDrawCone message = (MyRenderMessageDebugDrawCone)debugDrawMessage;
var batch = message.DepthRead ? linesBatch : noDepthLinesBatch;
var axis = message.DirectionVector;
axis.Normalize();
var apex = message.Translation + message.DirectionVector;
var steps = 32;
var stepsRcp = (float)(Math.PI * 2 / steps);
for (int i = 0; i < 32; i++)
{
float a0 = i * stepsRcp;
float a1 = (i + 1) * stepsRcp;
var A = message.Translation + Vector3D.Transform(message.BaseVector, MatrixD.CreateFromAxisAngle(axis, a0)) - MyRender11.Environment.Matrices.CameraPosition;
var B = message.Translation + Vector3D.Transform(message.BaseVector, MatrixD.CreateFromAxisAngle(axis, a1)) - MyRender11.Environment.Matrices.CameraPosition;
batch.Add(A, B, message.Color);
batch.Add(A, apex, message.Color);
}
break;
}
case MyRenderMessageEnum.DebugDrawAxis:
{
MyRenderMessageDebugDrawAxis message = (MyRenderMessageDebugDrawAxis)debugDrawMessage;
var batch = message.DepthRead ? linesBatch : noDepthLinesBatch;
Vector3 position = message.Matrix.Translation - MyRender11.Environment.Matrices.CameraPosition;
if (message.SkipScale)
{
batch.Add(position, position + Vector3.Normalize(message.Matrix.Right) * message.AxisLength, Color.Red);
batch.Add(position, position + Vector3.Normalize(message.Matrix.Up) * message.AxisLength, Color.Green);
batch.Add(position, position + Vector3.Normalize(message.Matrix.Forward) * message.AxisLength, Color.Blue);
}
else
{
batch.Add(position, position + message.Matrix.Right * message.AxisLength, Color.Red);
batch.Add(position, position + message.Matrix.Up * message.AxisLength, Color.Green);
batch.Add(position, position + message.Matrix.Forward * message.AxisLength, Color.Blue);
}
break;
}
case MyRenderMessageEnum.DebugDrawOBB:
{
MyRenderMessageDebugDrawOBB message = (MyRenderMessageDebugDrawOBB)debugDrawMessage;
Vector3D[] cornersD = new Vector3D[8];
MatrixD matrix = (MatrixD)message.Matrix;
new MyOrientedBoundingBoxD(matrix).GetCorners(cornersD, 0);
Vector3[] corners = new Vector3[8];
for (int i = 0; i < 8; i++)
{
corners[i] = (cornersD[i] - MyRender11.Environment.Matrices.CameraPosition);
}
if (message.DepthRead)
{
linesBatch.Add6FacedConvex(corners, message.Color);
}
else
{
noDepthLinesBatch.Add6FacedConvex(corners, message.Color);
}
MyPrimitivesRenderer.Draw6FacedConvexZ(corners, message.Color, message.Alpha);
break;
}
case MyRenderMessageEnum.DebugDrawFrustrum:
{
MyRenderMessageDebugDrawFrustrum message = (MyRenderMessageDebugDrawFrustrum)debugDrawMessage;
Vector3[] corners = new Vector3[8];
Matrix m = message.Frustrum.Matrix;
m.Translation -= MyRender11.Environment.Matrices.CameraPosition;
message.Frustrum.Matrix = m;
message.Frustrum.GetCorners(corners);
if (message.DepthRead)
{
linesBatch.Add6FacedConvex(corners, message.Color);
}
else
{
noDepthLinesBatch.Add6FacedConvex(corners, message.Color);
}
MyPrimitivesRenderer.Draw6FacedConvexZ(corners, message.Color, message.Alpha);
break;
}
case MyRenderMessageEnum.DebugDrawCylinder:
{
MyRenderMessageDebugDrawCylinder message = (MyRenderMessageDebugDrawCylinder)debugDrawMessage;
var batch = message.DepthRead ? linesBatch : noDepthLinesBatch;
var steps = 32;
var stepsRcp = (float)(Math.PI * 2 / steps);
for (int i = 0; i < 32; i++)
{
float a0 = i * stepsRcp;
float a1 = (i + 1) * stepsRcp;
Vector3D A = new Vector3D(Math.Cos(a0), 1.0f, Math.Sin(a0)) * 0.5f;
Vector3D B = new Vector3D(Math.Cos(a1), 1.0f, Math.Sin(a1)) * 0.5f;
Vector3D C = A - Vector3D.UnitY;
Vector3D D = B - Vector3D.UnitY;
A = Vector3D.Transform(A, message.Matrix);
B = Vector3D.Transform(B, message.Matrix);
C = Vector3D.Transform(C, message.Matrix);
D = Vector3D.Transform(D, message.Matrix);
A -= MyRender11.Environment.Matrices.CameraPosition;
B -= MyRender11.Environment.Matrices.CameraPosition;
C -= MyRender11.Environment.Matrices.CameraPosition;
D -= MyRender11.Environment.Matrices.CameraPosition;
batch.Add(A, B, message.Color);
batch.Add(A, C, message.Color);
batch.Add(C, D, message.Color);
}
break;
}
case MyRenderMessageEnum.DebugDrawTriangle:
{
MyRenderMessageDebugDrawTriangle message = (MyRenderMessageDebugDrawTriangle)debugDrawMessage;
MyPrimitivesRenderer.DrawTriangle(message.Vertex0 - MyRender11.Environment.Matrices.CameraPosition,
message.Vertex1 - MyRender11.Environment.Matrices.CameraPosition,
message.Vertex2 - MyRender11.Environment.Matrices.CameraPosition, message.Color);
break;
}
case MyRenderMessageEnum.DebugDrawTriangles:
{
MyRenderMessageDebugDrawTriangles message = (MyRenderMessageDebugDrawTriangles)debugDrawMessage;
for (int i = 0; i < message.Indices.Count; i += 3)
{
var v0 = Vector3D.Transform(message.Vertices[message.Indices[i + 0]], message.WorldMatrix) - MyRender11.Environment.Matrices.CameraPosition;
var v1 = Vector3D.Transform(message.Vertices[message.Indices[i + 1]], message.WorldMatrix) - MyRender11.Environment.Matrices.CameraPosition;
var v2 = Vector3D.Transform(message.Vertices[message.Indices[i + 2]], message.WorldMatrix) - MyRender11.Environment.Matrices.CameraPosition;
MyPrimitivesRenderer.DrawTriangle(v0, v1, v2, message.Color);
}
break;
}
case MyRenderMessageEnum.DebugDrawMesh:
{
MyPrimitivesRenderer.DebugMesh(debugDrawMessage as MyRenderMessageDebugDrawMesh);
break;
}
case MyRenderMessageEnum.DebugDrawCapsule:
{
MyRenderMessageDebugDrawCapsule message = (MyRenderMessageDebugDrawCapsule)debugDrawMessage;
var batch = message.DepthRead ? linesBatch : noDepthLinesBatch;
batch.AddSphereRing(new BoundingSphere(message.P0 - MyRender11.Environment.Matrices.CameraPosition, message.Radius), message.Color, Matrix.Identity);
batch.AddSphereRing(new BoundingSphere(message.P0 - MyRender11.Environment.Matrices.CameraPosition, message.Radius), message.Color, Matrix.CreateRotationX(MathHelper.PiOver2));
batch.AddSphereRing(new BoundingSphere(message.P1 - MyRender11.Environment.Matrices.CameraPosition, message.Radius), message.Color, Matrix.Identity);
batch.AddSphereRing(new BoundingSphere(message.P1 - MyRender11.Environment.Matrices.CameraPosition, message.Radius), message.Color, Matrix.CreateRotationX(MathHelper.PiOver2));
batch.Add(message.P0 - MyRender11.Environment.Matrices.CameraPosition, message.P1 - MyRender11.Environment.Matrices.CameraPosition, message.Color);
break;
}
case MyRenderMessageEnum.DebugDrawText2D:
{
MyRenderMessageDebugDrawText2D message = (MyRenderMessageDebugDrawText2D)debugDrawMessage;
var text = new StringBuilder(message.Text);
MySpritesRenderer.DrawText(message.Coord, text, message.Color, message.Scale, message.Align);
break;
}
case MyRenderMessageEnum.DebugDrawText3D:
{
MyRenderMessageDebugDrawText3D message = (MyRenderMessageDebugDrawText3D)debugDrawMessage;
Vector3D position = message.Coord;
var worldToClip = MyRender11.Environment.Matrices.ViewProjectionD;
if (message.CustomViewProjection != -1)
{
if (!MyRenderProxy.BillboardsViewProjectionRead.ContainsKey(message.CustomViewProjection))
{
break;
}
var i = message.CustomViewProjection;
var scaleX = MyRenderProxy.BillboardsViewProjectionRead[i].Viewport.Width / (float)MyRender11.ViewportResolution.X;
var scaleY = MyRenderProxy.BillboardsViewProjectionRead[i].Viewport.Height / (float)MyRender11.ViewportResolution.Y;
var offsetX = MyRenderProxy.BillboardsViewProjectionRead[i].Viewport.OffsetX / (float)MyRender11.ViewportResolution.X;
var offsetY = (MyRender11.ViewportResolution.Y - MyRenderProxy.BillboardsViewProjectionRead[i].Viewport.OffsetY - MyRenderProxy.BillboardsViewProjectionRead[i].Viewport.Height)
/ (float)MyRender11.ViewportResolution.Y;
var viewportTransformation = new Matrix(
scaleX, 0, 0, 0,
0, scaleY, 0, 0,
0, 0, 1, 0,
offsetX, offsetY, 0, 1
);
worldToClip = MyRenderProxy.BillboardsViewProjectionRead[message.CustomViewProjection].ViewAtZero * MyRenderProxy.BillboardsViewProjectionRead[message.CustomViewProjection].Projection * viewportTransformation;
}
var clipPosition = Vector3D.Transform(position, ref worldToClip);
clipPosition.X = clipPosition.X * 0.5f + 0.5f;
clipPosition.Y = clipPosition.Y * -0.5f + 0.5f;
var borderDepth = MyRender11.UseComplementaryDepthBuffer ? 0.0f : 1.0f;
borderDepth = message.ClipDistance.HasValue ? Vector3.Transform(new Vector3(0, 0, -message.ClipDistance.Value), MyRender11.Environment.Matrices.Projection).Z : borderDepth;
bool drawCondition =
MyRender11.UseComplementaryDepthBuffer
? clipPosition.Z > borderDepth && clipPosition.Z < 1
: clipPosition.Z < borderDepth && clipPosition.Z > 0;
if (drawCondition)
{
MySpritesRenderer.DrawText(new Vector2((float)clipPosition.X, (float)clipPosition.Y) * MyRender11.ViewportResolution,
new StringBuilder(message.Text), message.Color, message.Scale, message.Align);
}
break;
}
case MyRenderMessageEnum.DebugDrawModel:
{
MyRenderMessageDebugDrawModel message = (MyRenderMessageDebugDrawModel)debugDrawMessage;
break;
}
case MyRenderMessageEnum.DebugDrawPlane:
{
MyRenderMessageDebugDrawPlane message = (MyRenderMessageDebugDrawPlane)debugDrawMessage;
break;
}
case MyRenderMessageEnum.DebugWaitForPresent:
{
MyRenderMessageDebugWaitForPresent rMessage = (MyRenderMessageDebugWaitForPresent)debugDrawMessage;
MyRenderProxy.RenderThread.DebugAddWaitingForPresent(rMessage.WaitHandle);
break;
}
case MyRenderMessageEnum.DebugClearPersistentMessages:
{
MyRenderMessageDebugClearPersistentMessages rMessage = (MyRenderMessageDebugClearPersistentMessages)debugDrawMessage;
clearPersistent = true;
break;
}
default:
{
break;
}
}
}
linesBatch.Commit();
noDepthLinesBatch.Commit();
lines2D.Commit();
foreach (var message in m_persistentDebugMessagesTemp)
{
if (clearPersistent && m_currentPersistentDebugMessages.Remove(message))
{
continue;
}
m_debugDrawMessages.Enqueue(message);
m_currentPersistentDebugMessages.Add(message);
}
}
//internal static void BeginQuadRendering()
//{
// var context = MyRender.Context;
// context.InputAssembler.PrimitiveTopology = PrimitiveTopology.TriangleList;
// context.Rasterizer.SetViewport(0, 0, MyRender.ViewportResolution.X, MyRender.ViewportResolution.Y);
// context.OutputMerger.SetTargets(null as DepthStencilView, MyRender.Backbuffer.RenderTarget);
// context.OutputMerger.BlendState = null;
//}
//internal static void DrawQuad()
//{
//}
internal static void DrawHierarchyDebug()
{
var worldToClip = MyEnvironment.ViewProjection;
var displayString = new StringBuilder();
var batch = MyLinesRenderer.CreateBatch();
if (MyRender11.Settings.DisplayIDs)
{
foreach (var actor in MyActorFactory.GetAll())
{
var h = actor.GetGroupLeaf();
var r = actor.GetRenderable();
Vector3 position;
uint ID;
if (r != null)
{
position = r.m_owner.WorldMatrix.Translation;
ID = r.m_owner.ID;
}
else if (h != null)
{
position = h.m_owner.WorldMatrix.Translation;
ID = h.m_owner.ID;
}
else
{
continue;
}
var clipPosition = Vector3.Transform(position, ref worldToClip);
clipPosition.X = clipPosition.X * 0.5f + 0.5f;
clipPosition.Y = clipPosition.Y * -0.5f + 0.5f;
if (clipPosition.Z > 0 && clipPosition.Z < 1)
{
displayString.AppendFormat("{0}", ID);
MySpritesRenderer.DrawText(new Vector2(clipPosition.X, clipPosition.Y) * MyRender11.ViewportResolution,
displayString, Color.DarkCyan, 0.5f);
}
displayString.Clear();
}
}
if (MyRender11.Settings.DisplayAabbs)
{
//foreach (var h in MyComponentFactory<MyHierarchyComponent>.GetAll())
//{
// if (h.IsParent)
// {
// batch.AddBoundingBox(h.m_owner.Aabb, Color.Red);
// }
// else
// {
// batch.AddBoundingBox(h.m_owner.Aabb, Color.Orange);
// }
//}
foreach (var actor in MyActorFactory.GetAll())
{
var h = actor.GetGroupRoot();
var r = actor.GetRenderable();
if (h != null)
{
var bb = BoundingBoxD.CreateInvalid();
foreach (var child in h.m_children)
{
if (child.m_visible)
{
bb.Include(child.Aabb);
}
}
batch.AddBoundingBox((BoundingBox)bb, Color.Red);
MyPrimitivesRenderer.Draw6FacedConvex(bb.GetCorners().Select(x => (Vector3)x).ToArray(), Color.Red, 0.1f);
}
else if (r != null && actor.GetGroupLeaf() == null)
{
batch.AddBoundingBox((BoundingBox)r.m_owner.Aabb, Color.Green);
}
}
}
batch.Commit();
}
static void PrepareCascades()
{
MyImmediateRC.RC.Context.CopyResource(m_cascadeShadowmapArray.Resource, m_cascadeShadowmapBackup.Resource);
bool stabilize = true;
for (int i = 0; i < 4; i++)
{
++FramesSinceUpdate[i];
}
CascadeLightDirection[0] = MyEnvironment.DirectionalLightDir;
CascadeLightDirection[1] = MyEnvironment.DirectionalLightDir;
const float DirectionDifferenceThreshold = 0.02f;
if (FramesSinceUpdate[2] > 180 || MyEnvironment.DirectionalLightDir.Dot(CascadeLightDirection[2]) < (1 - DirectionDifferenceThreshold))
{
FramesSinceUpdate[2] = 0;
CascadeLightDirection[2] = MyEnvironment.DirectionalLightDir;
}
if (FramesSinceUpdate[3] > 180 || MyEnvironment.DirectionalLightDir.Dot(CascadeLightDirection[3]) < (1 - DirectionDifferenceThreshold))
{
FramesSinceUpdate[3] = 0;
CascadeLightDirection[3] = MyEnvironment.DirectionalLightDir;
}
var globalMatrix = CreateGlobalMatrix();
Matrix[] cascadesMatrices = new Matrix[8];
var cascadeFrozen = MyRender11.Settings.FreezeCascade.Any(x => x == true);
if (!cascadeFrozen)
{
m_oldView = MyEnvironment.View;
}
float cascadesNearClip = 1f;
float cascadesFarClip = 1000f;
float backOffset = 100f; // more and fit projection to objects inside
float shadowmapSize = m_cascadeResolution;
m_splitDepth[0] = cascadesNearClip;
m_splitDepth[1] = MyRender11.Settings.CascadesSplit0;
m_splitDepth[2] = MyRender11.Settings.CascadesSplit1;
m_splitDepth[3] = MyRender11.Settings.CascadesSplit2;
m_splitDepth[4] = MyRender11.Settings.CascadesSplit3;
float unitWidth = 1 / MyEnvironment.Projection.M11;
float unitHeight = 1 / MyEnvironment.Projection.M22;
var vertices = new Vector3[]
{
new Vector3(-unitWidth, -unitHeight, -1),
new Vector3(-unitWidth, unitHeight, -1),
new Vector3(unitWidth, unitHeight, -1),
new Vector3(unitWidth, -unitHeight, -1),
};
var frustumVerticesWS = new Vector3[8];
for (int c = 0; c < m_cascadesNum; c++)
{
for (int i = 0; i < 4; i++)
{
frustumVerticesWS[i] = vertices[i] * m_splitDepth[c];
frustumVerticesWS[i + 4] = vertices[i] * m_splitDepth[c + 1];
}
if (MyRender11.Settings.FreezeCascade[c])
{
// draw cascade bounding primtiive
if (VisualizeDebug)
{
var invView = Matrix.Invert(m_oldView);
Vector3.Transform(frustumVerticesWS, ref invView, frustumVerticesWS);
var batch = MyLinesRenderer.CreateBatch();
batch.Add6FacedConvex(frustumVerticesWS, Color.Blue);
var bs = BoundingSphere.CreateFromPoints(frustumVerticesWS);
var bb = BoundingBox.CreateFromSphere(bs);
batch.AddBoundingBox(bb, Color.OrangeRed);
batch.Commit();
}
continue;
}
/*
* Cascades update scheme:
* 0: 1 1 1 1
* 1: 1 0 1 0
* 2: 0 1 0 0
* 3: 0 0 0 1
*/
bool skipCascade1 = c == 1 && (MyCommon.FrameCounter % 2) != 0;
bool skipCascade2 = c == 2 && (MyCommon.FrameCounter % 4) != 1;
bool skipCascade3 = c == 3 && (MyCommon.FrameCounter % 4) != 3;
//
if (skipCascade1 || skipCascade2 || skipCascade3)
{
if (!MyRender11.Settings.UpdateCascadesEveryFrame)
{
continue;
}
}
Vector3.Transform(frustumVerticesWS, ref MyEnvironment.InvView, frustumVerticesWS);
var bSphere = BoundingSphere.CreateFromPoints(frustumVerticesWS);
if (stabilize)
{
bSphere.Center = bSphere.Center.Round();
bSphere.Radius = (float)Math.Ceiling(bSphere.Radius);
}
var offset = bSphere.Radius + cascadesNearClip + backOffset;
var shadowCameraPosWS = bSphere.Center + CascadeLightDirection[c] * (bSphere.Radius + cascadesNearClip);
var lightView = VRageMath.Matrix.CreateLookAt(shadowCameraPosWS, shadowCameraPosWS - CascadeLightDirection[c], Math.Abs(Vector3.UnitY.Dot(CascadeLightDirection[c])) < 0.99f ? Vector3.UnitY : Vector3.UnitX);
Vector3 vMin = new Vector3(-bSphere.Radius, -bSphere.Radius, cascadesNearClip);
Vector3 vMax = new Vector3(bSphere.Radius, bSphere.Radius, offset + bSphere.Radius);
var cascadeProjection = Matrix.CreateOrthographicOffCenter(vMin.X, vMax.X, vMin.Y, vMax.Y, vMax.Z, vMin.Z);
cascadesMatrices[c] = lightView * cascadeProjection;
var transformed = Vector3.Transform(Vector3.Zero, ref cascadesMatrices[c]) * shadowmapSize / 2;
var smOffset = (transformed.Round() - transformed) * 2 / shadowmapSize;
// stabilize 1st cascade only
if (stabilize)
{
cascadeProjection.M41 += smOffset.X;
cascadeProjection.M42 += smOffset.Y;
cascadesMatrices[c] = lightView * cascadeProjection;
}
var inverseCascadeMatrix = Matrix.Invert(cascadesMatrices[c]);
var corner0 = Vector3.Transform(Vector3.Transform(new Vector3(-1, -1, 0), inverseCascadeMatrix), globalMatrix);
var corner1 = Vector3.Transform(Vector3.Transform(new Vector3(1, 1, 1), inverseCascadeMatrix), globalMatrix);
var d = corner1 - corner0;
var cascadeScale = 1f / (corner1 - corner0);
m_cascadeScale[c] = new Vector4(cascadeScale, 0);
var query = new MyShadowmapQuery();
query.DepthBuffer = m_cascadeShadowmapArray.SubresourceDsv(c);
query.Viewport = new MyViewport(shadowmapSize, shadowmapSize);
m_cascadeInfo[c].WorldCameraOffsetPosition = MyEnvironment.CameraPosition;
m_cascadeInfo[c].WorldToProjection = cascadesMatrices[c];
// todo: skip translation, recalculate matrix in local space, keep world space matrix only for bounding frustum
m_cascadeInfo[c].LocalToProjection = Matrix.CreateTranslation(MyEnvironment.CameraPosition) * cascadesMatrices[c];
query.ProjectionInfo = m_cascadeInfo[c];
query.ProjectionDir = CascadeLightDirection[c];
query.ProjectionFactor = shadowmapSize * shadowmapSize / (bSphere.Radius * bSphere.Radius * 4);
if (c == 0)
{
query.QueryType = MyFrustumEnum.Cascade0;
}
if (c == 1)
{
query.QueryType = MyFrustumEnum.Cascade1;
}
if (c == 2)
{
query.QueryType = MyFrustumEnum.Cascade2;
}
if (c == 3)
{
query.QueryType = MyFrustumEnum.Cascade3;
}
m_shadowmapQueries.Add(query);
}
if (true)
{
var verticesWS = new Vector3[8];
var batch = MyLinesRenderer.CreateBatch();
var cascadeColor = new[]
{
Color.Red,
Color.Green,
Color.Blue,
Color.Yellow
};
for (int c = 0; c < m_cascadesNum; c++)
{
if (MyRender11.Settings.FreezeCascade[c])
{
if (VisualizeDebug)
{
var inverseViewProj = Matrix.Invert(cascadesMatrices[c]);
Vector3.Transform(m_cornersCS, ref inverseViewProj, verticesWS);
for (int i = 0; i < verticesWS.Length; i++)
{
verticesWS[i] += MyEnvironment.CameraPosition;
}
MyPrimitivesRenderer.Draw6FacedConvex(verticesWS, cascadeColor[c], 0.2f);
batch.Add6FacedConvex(verticesWS, Color.Pink);
}
}
}
batch.Commit();
}
var mapping = MyMapping.MapDiscard(m_csmConstants);
for (int c = 0; c < m_cascadesNum; c++)
{
mapping.stream.Write(Matrix.Transpose(m_cascadeInfo[c].CurrentLocalToProjection * MyMatrixHelpers.ClipspaceToTexture));
}
for (int i = m_cascadesNum; i < 8; i++)
{
mapping.stream.Write(Matrix.Zero);
}
for (int i = 0; i < m_splitDepth.Length; i++)
{
mapping.stream.Write(m_splitDepth[i]);
}
for (int i = m_splitDepth.Length; i < 8; i++)
{
mapping.stream.Write(0.0f);
}
for (int i = 0; i < 4; i++)
{
mapping.stream.Write(m_cascadeScale[i] / m_cascadeScale[0]);
}
mapping.Unmap();
}
static void ProcessDebugMessages()
{
var linesBatch = MyLinesRenderer.CreateBatch();
var noDepthLinesBatch = MyLinesRenderer.CreateBatch();
noDepthLinesBatch.IgnoreDepth = true;
var lines2D = MyLinesRenderer.CreateBatch();
lines2D.IgnoreDepth = true;
while (m_debugDrawMessages.Count > 0)
{
IMyRenderMessage debugDrawMessage = m_debugDrawMessages.Dequeue();
MyRenderMessageEnum messageType = debugDrawMessage.MessageType;
switch (messageType)
{
case MyRenderMessageEnum.DebugDrawLine3D:
{
MyRenderMessageDebugDrawLine3D message = (MyRenderMessageDebugDrawLine3D)debugDrawMessage;
if (message.DepthRead)
{
linesBatch.Add(message.PointFrom, message.PointTo, message.ColorFrom, message.ColorTo);
}
else
{
noDepthLinesBatch.Add(message.PointFrom, message.PointTo, message.ColorFrom, message.ColorTo);
}
break;
}
case MyRenderMessageEnum.DebugDrawLine2D:
{
MyRenderMessageDebugDrawLine2D message = (MyRenderMessageDebugDrawLine2D)debugDrawMessage;
var matrix = message.Projection ?? Matrix.CreateOrthographicOffCenter(0, MyRender11.ViewportResolution.X, MyRender11.ViewportResolution.Y, 0, 0, -1);
if (!lines2D.CustomViewProjection.HasValue || (lines2D.CustomViewProjection.HasValue && lines2D.CustomViewProjection.Value != matrix))
{
lines2D.Commit();
lines2D = MyLinesRenderer.CreateBatch();
lines2D.IgnoreDepth = true;
lines2D.CustomViewProjection = matrix;
}
var p0 = new Vector3(message.PointFrom.X, message.PointFrom.Y, 0);
var p1 = new Vector3(message.PointTo.X, message.PointTo.Y, 0);
lines2D.Add(p0, p1, message.ColorFrom, message.ColorTo);
break;
}
case MyRenderMessageEnum.DebugDrawPoint:
{
MyRenderMessageDebugDrawPoint message = (MyRenderMessageDebugDrawPoint)debugDrawMessage;
var batch = message.DepthRead ? linesBatch : noDepthLinesBatch;
var scale = 0.125f;
var borderDepth = MyRender11.UseComplementaryDepthBuffer ? 0.0f : 1.0f;
borderDepth = message.ClipDistance.HasValue ? Vector3.Transform(new Vector3(0, 0, -message.ClipDistance.Value), MyEnvironment.Projection).Z : borderDepth;
var clipPosition = Vector3.Transform((Vector3)message.Position, ref MyEnvironment.ViewProjection);
clipPosition.X = clipPosition.X * 0.5f + 0.5f;
clipPosition.Y = clipPosition.Y * -0.5f + 0.5f;
//Debug.Assert(MyRender11.UseComplementaryDepthBuffer);
bool drawCondition =
MyRender11.UseComplementaryDepthBuffer
? clipPosition.Z > borderDepth && clipPosition.Z < 1
: clipPosition.Z < borderDepth && clipPosition.Z > 0;
if (drawCondition)
{
batch.Add(message.Position + Vector3.UnitX * scale, message.Position - Vector3.UnitX * scale, message.Color);
batch.Add(message.Position + Vector3.UnitY * scale, message.Position - Vector3.UnitY * scale, message.Color);
batch.Add(message.Position + Vector3.UnitZ * scale, message.Position - Vector3.UnitZ * scale, message.Color);
}
break;
}
case MyRenderMessageEnum.DebugDrawSphere:
{
MyRenderMessageDebugDrawSphere message = (MyRenderMessageDebugDrawSphere)debugDrawMessage;
var borderDepth = MyRender11.UseComplementaryDepthBuffer ? 0.0f : 1.0f;
borderDepth = message.ClipDistance.HasValue ? Vector3.Transform(new Vector3(0, 0, -message.ClipDistance.Value), MyEnvironment.Projection).Z : borderDepth;
var clipPosition = Vector3.Transform((Vector3)message.Position, ref MyEnvironment.ViewProjection);
clipPosition.X = clipPosition.X * 0.5f + 0.5f;
clipPosition.Y = clipPosition.Y * -0.5f + 0.5f;
bool drawCondition =
MyRender11.UseComplementaryDepthBuffer
? clipPosition.Z > borderDepth && clipPosition.Z < 1
: clipPosition.Z < borderDepth && clipPosition.Z > 0;
if (drawCondition)
{
var batch = message.DepthRead ? linesBatch : noDepthLinesBatch;
batch.AddSphereRing(new BoundingSphere(message.Position, message.Radius), message.Color, Matrix.Identity);
batch.AddSphereRing(new BoundingSphere(message.Position, message.Radius), message.Color, Matrix.CreateRotationX(MathHelper.PiOver2));
batch.AddSphereRing(new BoundingSphere(message.Position, message.Radius), message.Color, Matrix.CreateRotationZ(MathHelper.PiOver2));
}
break;
}
case MyRenderMessageEnum.DebugDrawAABB:
{
MyRenderMessageDebugDrawAABB message = (MyRenderMessageDebugDrawAABB)debugDrawMessage;
if (message.DepthRead)
{
linesBatch.AddBoundingBox((BoundingBox)message.AABB, message.Color);
}
else
{
noDepthLinesBatch.AddBoundingBox((BoundingBox)message.AABB, message.Color);
}
break;
}
case MyRenderMessageEnum.DebugDrawCone:
{
MyRenderMessageDebugDrawCone message = (MyRenderMessageDebugDrawCone)debugDrawMessage;
var batch = message.DepthRead ? linesBatch : noDepthLinesBatch;
var axis = message.DirectionVector;
axis.Normalize();
var apex = message.Translation + message.DirectionVector;
var steps = 32;
var stepsRcp = (float)(Math.PI * 2 / steps);
for (int i = 0; i < 32; i++)
{
float a0 = i * stepsRcp;
float a1 = (i + 1) * stepsRcp;
var A = message.Translation + Vector3.Transform(message.BaseVector, Matrix.CreateFromAxisAngle(axis, a0));
var B = message.Translation + Vector3.Transform(message.BaseVector, Matrix.CreateFromAxisAngle(axis, a1));
batch.Add(A, B, message.Color);
batch.Add(A, apex, message.Color);
}
break;
}
case MyRenderMessageEnum.DebugDrawAxis:
{
MyRenderMessageDebugDrawAxis message = (MyRenderMessageDebugDrawAxis)debugDrawMessage;
var batch = message.DepthRead ? linesBatch : noDepthLinesBatch;
batch.Add(message.Matrix.Translation, message.Matrix.Translation + message.Matrix.Right * message.AxisLength, Color.Red);
batch.Add(message.Matrix.Translation, message.Matrix.Translation + message.Matrix.Up * message.AxisLength, Color.Green);
batch.Add(message.Matrix.Translation, message.Matrix.Translation + message.Matrix.Forward * message.AxisLength, Color.Blue);
break;
}
case MyRenderMessageEnum.DebugDrawOBB:
{
MyRenderMessageDebugDrawOBB message = (MyRenderMessageDebugDrawOBB)debugDrawMessage;
Vector3 [] corners = new Vector3[8];
Matrix matrix = (Matrix)message.Matrix;
new MyOrientedBoundingBox(ref matrix).GetCorners(corners, 0);
if (message.DepthRead)
{
linesBatch.Add6FacedConvex(corners, message.Color);
}
else
{
noDepthLinesBatch.Add6FacedConvex(corners, message.Color);
}
MyPrimitivesRenderer.Draw6FacedConvex(corners, message.Color, message.Alpha);
break;
}
case MyRenderMessageEnum.DebugDrawCylinder:
{
MyRenderMessageDebugDrawCylinder message = (MyRenderMessageDebugDrawCylinder)debugDrawMessage;
var steps = 32;
var stepsRcp = (float)(Math.PI * 2 / steps);
for (int i = 0; i < 32; i++)
{
float a0 = i * stepsRcp;
float a1 = (i + 1) * stepsRcp;
Vector3 A = new Vector3(Math.Cos(a0), 1.0f, Math.Sin(a0)) * 0.5f;
Vector3 B = new Vector3(Math.Cos(a1), 1.0f, Math.Sin(a1)) * 0.5f;
Vector3 C = A - Vector3.UnitY;
Vector3 D = B - Vector3.UnitY;
A = Vector3.Transform(A, message.Matrix);
B = Vector3.Transform(B, message.Matrix);
C = Vector3.Transform(C, message.Matrix);
D = Vector3.Transform(D, message.Matrix);
linesBatch.Add(A, B, message.Color);
linesBatch.Add(A, C, message.Color);
linesBatch.Add(C, D, message.Color);
}
break;
}
case MyRenderMessageEnum.DebugDrawTriangle:
{
MyRenderMessageDebugDrawTriangle message = (MyRenderMessageDebugDrawTriangle)debugDrawMessage;
MyPrimitivesRenderer.DrawTriangle(message.Vertex0, message.Vertex1, message.Vertex2, message.Color);
break;
}
case MyRenderMessageEnum.DebugDrawTriangles:
{
MyRenderMessageDebugDrawTriangles message = (MyRenderMessageDebugDrawTriangles)debugDrawMessage;
for (int i = 0; i < message.Indices.Count; i += 3)
{
var v0 = Vector3.Transform(message.Vertices[message.Indices[i + 0]], message.WorldMatrix);
var v1 = Vector3.Transform(message.Vertices[message.Indices[i + 1]], message.WorldMatrix);
var v2 = Vector3.Transform(message.Vertices[message.Indices[i + 2]], message.WorldMatrix);
MyPrimitivesRenderer.DrawTriangle(v0, v1, v2, message.Color);
}
break;
}
case MyRenderMessageEnum.DebugDrawCapsule:
{
MyRenderMessageDebugDrawCapsule message = (MyRenderMessageDebugDrawCapsule)debugDrawMessage;
var batch = message.DepthRead ? linesBatch : noDepthLinesBatch;
batch.AddSphereRing(new BoundingSphere(message.P0, message.Radius), message.Color, Matrix.Identity);
batch.AddSphereRing(new BoundingSphere(message.P0, message.Radius), message.Color, Matrix.CreateRotationX(MathHelper.PiOver2));
batch.AddSphereRing(new BoundingSphere(message.P1, message.Radius), message.Color, Matrix.Identity);
batch.AddSphereRing(new BoundingSphere(message.P1, message.Radius), message.Color, Matrix.CreateRotationX(MathHelper.PiOver2));
batch.Add(message.P0, message.P1, message.Color);
break;
}
case MyRenderMessageEnum.DebugDrawText2D:
{
MyRenderMessageDebugDrawText2D message = (MyRenderMessageDebugDrawText2D)debugDrawMessage;
var text = new StringBuilder(message.Text);
MySpritesRenderer.DrawText(message.Coord, text, message.Color, message.Scale, message.Align);
break;
}
case MyRenderMessageEnum.DebugDrawText3D:
{
MyRenderMessageDebugDrawText3D message = (MyRenderMessageDebugDrawText3D)debugDrawMessage;
Vector3 position = (Vector3)message.Coord;
var worldToClip = MyEnvironment.ViewProjection;
if (message.CustomViewProjection != -1)
{
if (!MyRenderProxy.BillboardsViewProjectionRead.ContainsKey(message.CustomViewProjection))
{
break;
}
var i = message.CustomViewProjection;
var scaleX = MyRenderProxy.BillboardsViewProjectionRead[i].Viewport.Width / (float)MyRender11.ViewportResolution.X;
var scaleY = MyRenderProxy.BillboardsViewProjectionRead[i].Viewport.Height / (float)MyRender11.ViewportResolution.Y;
var offsetX = MyRenderProxy.BillboardsViewProjectionRead[i].Viewport.OffsetX / (float)MyRender11.ViewportResolution.X;
var offsetY = (MyRender11.ViewportResolution.Y - MyRenderProxy.BillboardsViewProjectionRead[i].Viewport.OffsetY - MyRenderProxy.BillboardsViewProjectionRead[i].Viewport.Height)
/ (float)MyRender11.ViewportResolution.Y;
var viewportTransformation = new Matrix(
scaleX, 0, 0, 0,
0, scaleY, 0, 0,
0, 0, 1, 0,
offsetX, offsetY, 0, 1
);
worldToClip = MyRenderProxy.BillboardsViewProjectionRead[message.CustomViewProjection].View * MyRenderProxy.BillboardsViewProjectionRead[message.CustomViewProjection].Projection * viewportTransformation;
}
var clipPosition = Vector3.Transform(position, ref worldToClip);
clipPosition.X = clipPosition.X * 0.5f + 0.5f;
clipPosition.Y = clipPosition.Y * -0.5f + 0.5f;
var borderDepth = MyRender11.UseComplementaryDepthBuffer ? 0.0f : 1.0f;
borderDepth = message.ClipDistance.HasValue ? Vector3.Transform(new Vector3(0, 0, -message.ClipDistance.Value), MyEnvironment.Projection).Z : borderDepth;
bool drawCondition =
MyRender11.UseComplementaryDepthBuffer
? clipPosition.Z > borderDepth && clipPosition.Z < 1
: clipPosition.Z < borderDepth && clipPosition.Z > 0;
if (drawCondition)
{
MySpritesRenderer.DrawText(new Vector2(clipPosition.X, clipPosition.Y) * MyRender11.ViewportResolution,
new StringBuilder(message.Text), message.Color, message.Scale, message.Align);
}
break;
}
case MyRenderMessageEnum.DebugDrawModel:
{
MyRenderMessageDebugDrawModel message = (MyRenderMessageDebugDrawModel)debugDrawMessage;
break;
}
case MyRenderMessageEnum.DebugDrawPlane:
{
MyRenderMessageDebugDrawPlane message = (MyRenderMessageDebugDrawPlane)debugDrawMessage;
break;
}
default:
{
break;
}
}
}
linesBatch.Commit();
noDepthLinesBatch.Commit();
lines2D.Commit();
}
static void PrepareCascades()
{
MyImmediateRC.RC.BeginProfilingBlock("PrepareCascades");
MyImmediateRC.RC.Context.CopyResource(m_cascadeShadowmapArray.Resource, m_cascadeShadowmapBackup.Resource);
bool stabilize = true;
const float DirectionDifferenceThreshold = 0.02f;
for (int cascadeIndex = 0; cascadeIndex < m_initializedShadowCascadesCount; ++cascadeIndex)
{
++m_shadowCascadeFramesSinceUpdate[cascadeIndex];
if (m_shadowCascadeFramesSinceUpdate[cascadeIndex] > cascadeIndex * 60 ||
MyEnvironment.DirectionalLightDir.Dot(m_shadowCascadeLightDirections[cascadeIndex]) < (1 - DirectionDifferenceThreshold))
{
m_shadowCascadeLightDirections[cascadeIndex] = MyEnvironment.DirectionalLightDir;
m_shadowCascadeFramesSinceUpdate[cascadeIndex] = 0;
}
}
var globalMatrix = CreateGlobalMatrix();
MatrixD[] cascadesMatrices = new MatrixD[8];
var cascadeFrozen = MyRender11.Settings.ShadowCascadeFrozen.Any(x => x == true);
if (!cascadeFrozen)
{
m_oldView = MyEnvironment.View;
}
float cascadesNearClip = 1f;
float cascadesFarClip = MyRender11.RenderSettings.ShadowQuality.ShadowCascadeSplit(m_initializedShadowCascadesCount);
float backOffset = MyRender11.RenderSettings.ShadowQuality.BackOffset();
float shadowmapSize = MyRender11.RenderSettings.ShadowQuality.ShadowCascadeResolution();
var oldCascadeSplit = 0.0f;
bool useFarShadows = MyRenderProxy.Settings.FarShadowDistanceOverride > MyRender11.Settings.ShadowCascadeMaxDistance;
if (useFarShadows)
{
oldCascadeSplit = MyRender11.Settings.ShadowCascadeMaxDistance;
MyRender11.Settings.ShadowCascadeMaxDistance = MyRenderProxy.Settings.FarShadowDistanceOverride;
}
for (int cascadeIndex = 0; cascadeIndex < ShadowCascadeSplitDepths.Length; ++cascadeIndex)
{
ShadowCascadeSplitDepths[cascadeIndex] = MyRender11.RenderSettings.ShadowQuality.ShadowCascadeSplit(cascadeIndex);
}
if (useFarShadows)
{
MyRender11.Settings.ShadowCascadeMaxDistance = oldCascadeSplit;
}
double unitWidth = 1.0 / MyEnvironment.Projection.M11;
double unitHeight = 1.0 / MyEnvironment.Projection.M22;
var vertices = new Vector3D[]
{
new Vector3D(-unitWidth, -unitHeight, -1),
new Vector3D(-unitWidth, unitHeight, -1),
new Vector3D(unitWidth, unitHeight, -1),
new Vector3D(unitWidth, -unitHeight, -1),
};
var frustumVerticesWS = new Vector3D[8];
for (int cascadeIndex = 0; cascadeIndex < m_initializedShadowCascadesCount; ++cascadeIndex)
{
for (int i = 0; i < 4; i++)
{
frustumVerticesWS[i] = vertices[i] * ShadowCascadeSplitDepths[cascadeIndex];
frustumVerticesWS[i + 4] = vertices[i] * ShadowCascadeSplitDepths[cascadeIndex + 1];
}
if (MyRender11.Settings.ShadowCascadeFrozen[cascadeIndex])
{
// draw cascade bounding primtiive
if (VisualizeDebug)
{
var oldInvView = MatrixD.Invert(m_oldView);
Vector3D.Transform(frustumVerticesWS, ref oldInvView, frustumVerticesWS);
var verticesF = new Vector3[8];
for (int i = 0; i < 8; i++)
{
verticesF[i] = frustumVerticesWS[i];
}
var batch = MyLinesRenderer.CreateBatch();
batch.Add6FacedConvex(verticesF, Color.Blue);
var bs = BoundingSphere.CreateFromPoints(verticesF);
var bb = BoundingBox.CreateFromSphere(bs);
batch.AddBoundingBox(bb, Color.OrangeRed);
batch.Commit();
}
continue;
}
/*
* Cascades update scheme:
* 1 2 3 4 5 6 7
* 0: 1 1 1 1 1 1 1
* 1: 1 0 1 0 1 0 1
* 2: 0 1 0 0 1 0 0
* 3: 0 0 0 1 0 0 0
* 4: 0 0 0 0 0 1 0
* 5: 0 0 0 0 0 0 1
*/
bool skipCascade = false; // TODO: properly
bool skipCascade1 = cascadeIndex == 1 && (MyCommon.FrameCounter % 2) != 0;
bool skipCascade2 = cascadeIndex == 2 && (MyCommon.FrameCounter % 4) != 1;
bool skipCascade3 = cascadeIndex == 3 && (MyCommon.FrameCounter % 4) != 3;
bool skipCascade4 = cascadeIndex == 4 && (MyCommon.FrameCounter % 8) != 5;
bool skipCascade5 = cascadeIndex == 5 && (MyCommon.FrameCounter % 8) != 7;
skipCascade = skipCascade1 || skipCascade2 || skipCascade3 || skipCascade4 || skipCascade5;
//
if (skipCascade && !MyRender11.Settings.UpdateCascadesEveryFrame)
{
continue;
}
MatrixD invView = MyEnvironment.InvView;
Vector3D.Transform(frustumVerticesWS, ref invView, frustumVerticesWS);
var bSphere = BoundingSphereD.CreateFromPoints((IEnumerable <Vector3D>)frustumVerticesWS);
if (stabilize)
{
bSphere.Center = bSphere.Center.Round();
bSphere.Radius = Math.Ceiling(bSphere.Radius);
}
var shadowCameraPosWS = bSphere.Center + m_shadowCascadeLightDirections[cascadeIndex] * (bSphere.Radius + cascadesNearClip);
var lightView = VRageMath.MatrixD.CreateLookAt(shadowCameraPosWS, shadowCameraPosWS - m_shadowCascadeLightDirections[cascadeIndex], Math.Abs(Vector3.UnitY.Dot(m_shadowCascadeLightDirections[cascadeIndex])) < 0.99f ? Vector3.UnitY : Vector3.UnitX);
var longestShadow = MyRenderProxy.Settings.LongShadowFactor;
var offset = bSphere.Radius + cascadesNearClip + backOffset + (longestShadow < 0 ? 0.0 : longestShadow);
Vector3D vMin = new Vector3D(-bSphere.Radius, -bSphere.Radius, cascadesNearClip);
Vector3D vMax = new Vector3D(bSphere.Radius, bSphere.Radius, offset + bSphere.Radius);
var cascadeProjection = MatrixD.CreateOrthographicOffCenter(vMin.X, vMax.X, vMin.Y, vMax.Y, vMax.Z, vMin.Z);
cascadesMatrices[cascadeIndex] = lightView * cascadeProjection;
var transformed = Vector3D.Transform(Vector3D.Zero, cascadesMatrices[cascadeIndex]) * shadowmapSize / 2;
var smOffset = (transformed.Round() - transformed) * 2 / shadowmapSize;
// stabilize 1st cascade only
if (stabilize)
{
cascadeProjection.M41 += smOffset.X;
cascadeProjection.M42 += smOffset.Y;
cascadesMatrices[cascadeIndex] = lightView * cascadeProjection;
}
var inverseCascadeMatrix = MatrixD.Invert(cascadesMatrices[cascadeIndex]);
var corner0 = Vector3D.Transform(Vector3D.Transform(new Vector3D(-1, -1, 0), inverseCascadeMatrix), globalMatrix);
var corner1 = Vector3D.Transform(Vector3D.Transform(new Vector3D(1, 1, 1), inverseCascadeMatrix), globalMatrix);
var d = corner1 - corner0;
var cascadeScale = 1f / (corner1 - corner0);
ShadowCascadeScales[cascadeIndex] = new Vector4D(cascadeScale, 0);
var query = new MyShadowmapQuery();
query.DepthBuffer = m_cascadeShadowmapArray.SubresourceDsv(cascadeIndex);
query.Viewport = new MyViewport(shadowmapSize, shadowmapSize);
m_cascadeInfo[cascadeIndex].WorldCameraOffsetPosition = MyEnvironment.CameraPosition;
m_cascadeInfo[cascadeIndex].WorldToProjection = cascadesMatrices[cascadeIndex];
// todo: skip translation, recalculate matrix in local space, keep world space matrix only for bounding frustum
m_cascadeInfo[cascadeIndex].LocalToProjection = Matrix.CreateTranslation(MyEnvironment.CameraPosition) * cascadesMatrices[cascadeIndex];
query.ProjectionInfo = m_cascadeInfo[cascadeIndex];
query.ProjectionDir = m_shadowCascadeLightDirections[cascadeIndex];
query.ProjectionFactor = (float)(shadowmapSize * shadowmapSize / (bSphere.Radius * bSphere.Radius * 4));
query.QueryType = MyFrustumEnum.ShadowCascade;
query.CascadeIndex = cascadeIndex;
m_shadowmapQueries.Add(query);
}
if (true)
{
var verticesWS = new Vector3D[8];
var batch = MyLinesRenderer.CreateBatch();
var cascadeColor = new[]
{
Color.Red,
Color.Green,
Color.Blue,
Color.Yellow
};
for (int c = 0; c < m_initializedShadowCascadesCount; c++)
{
if (MyRender11.Settings.ShadowCascadeFrozen[c])
{
if (VisualizeDebug)
{
var inverseViewProj = MatrixD.Invert(cascadesMatrices[c]);
Vector3D.Transform(m_cornersCS, ref inverseViewProj, verticesWS);
for (int i = 0; i < verticesWS.Length; i++)
{
verticesWS[i] += MyEnvironment.CameraPosition;
}
var verticesF = new Vector3[8];
for (int i = 0; i < 8; i++)
{
verticesF[i] = verticesWS[i];
}
MyPrimitivesRenderer.Draw6FacedConvex(verticesF, cascadeColor[c], 0.2f);
batch.Add6FacedConvex(verticesF, Color.Pink);
}
}
}
batch.Commit();
}
var mapping = MyMapping.MapDiscard(m_csmConstants);
for (int c = 0; c < m_initializedShadowCascadesCount; c++)
{
mapping.stream.Write(Matrix.Transpose(m_cascadeInfo[c].CurrentLocalToProjection * MyMatrixHelpers.ClipspaceToTexture));
}
for (int i = m_initializedShadowCascadesCount; i < 8; i++)
{
mapping.stream.Write(Matrix.Zero);
}
for (int i = 0; i < ShadowCascadeSplitDepths.Length; i++)
{
mapping.stream.Write(ShadowCascadeSplitDepths[i]);
}
for (int i = ShadowCascadeSplitDepths.Length; i < 8; i++)
{
mapping.stream.Write(0.0f);
}
for (int i = 0; i < m_initializedShadowCascadesCount; i++)
{
mapping.stream.Write(ShadowCascadeScales[i] / ShadowCascadeScales[0]);
}
mapping.Unmap();
MyImmediateRC.RC.EndProfilingBlock();
}
