public override void NextStartPoint(out Vector3 target)
{
unsafe
{
target = *((Vector3 *)Points.UnsafeAddressAt(Step).ToPointer());
}
}
public void BindBuffs(CRenderContext rc, CGfxMeshPrimitives result)
{
if (Positions.Count < 4)
{
return;
}
CCommandList cmd = rc.ImmCommandList;
var dpDesc = new CDrawPrimitiveDesc();
dpDesc.SetDefault();
dpDesc.NumPrimitives = (uint)Positions.Count - (ComposeCount * 2);
result.SetAtom(0, 0, ref dpDesc);
bool needcreate = Positions.Count > PrePositionCount || VertexIndexes.Count > PreIndexesCount;
if (needcreate)
{
PrePositionCount = Positions.Count;
}
UInt32 resourceSize = 0;
if (needcreate == false)
{
var mesh = result.GeometryMesh;
UInt32 ByteWidth = 0;
//mesh.Cleanup();
{
var vb = mesh.GetVertexBuffer(EVertexSteamType.VST_Position);
unsafe
{
ByteWidth = (UInt32)(sizeof(Vector3) * Positions.Count);
vb.UpdateBuffData(cmd, Positions.UnsafeAddressAt(0), ByteWidth);
resourceSize += ByteWidth;
}
}
{
var vb = mesh.GetVertexBuffer(EVertexSteamType.VST_Tangent);
unsafe
{
ByteWidth = (UInt32)(sizeof(Vector4) * Tangents.Count);
vb.UpdateBuffData(cmd, Tangents.UnsafeAddressAt(0), ByteWidth);
resourceSize += ByteWidth;
}
}
{
var vb = mesh.GetVertexBuffer(EVertexSteamType.VST_Normal);
unsafe
{
ByteWidth = (UInt32)(sizeof(Vector3) * Normals.Count);
vb.UpdateBuffData(cmd, Normals.UnsafeAddressAt(0), ByteWidth);
resourceSize += ByteWidth;
}
}
{
var vb = mesh.GetVertexBuffer(EVertexSteamType.VST_UV);
unsafe
{
ByteWidth = (UInt32)(sizeof(Vector2) * UVs.Count);
vb.UpdateBuffData(cmd, UVs.UnsafeAddressAt(0), ByteWidth);
resourceSize += ByteWidth;
}
}
{
var vb = mesh.GetVertexBuffer(EVertexSteamType.VST_Color);
unsafe
{
ByteWidth = (UInt32)(sizeof(Byte4) * Colors.Count);
vb.UpdateBuffData(cmd, Colors.UnsafeAddressAt(0), ByteWidth);
resourceSize += ByteWidth;
}
}
{
//if (VertexIndexes.Count == PreIndexesCount)
//{
var ib = mesh.GetIndexBuffer();
unsafe
{
ByteWidth = (UInt32)(sizeof(UInt32) * VertexIndexes.Count);
ib.UpdateBuffData(cmd, VertexIndexes.UnsafeAddressAt(0), ByteWidth);
resourceSize += ByteWidth;
}
//}
//else
//{
// var ibDesc = new CIndexBufferDesc();
// ibDesc.CPUAccess = (UInt32)ECpuAccess.CAS_WRITE;
// ibDesc.InitData = VertexIndexes.UnsafeAddressAt(0);
// ibDesc.Type = EIndexBufferType.IBT_Int32;
// ibDesc.ByteWidth = (UInt32)(sizeof(UInt32) * VertexIndexes.Count);
// var ib = rc.CreateIndexBuffer(ibDesc);
// mesh.BindIndexBuffer(ib);
// resourceSize += ibDesc.ByteWidth;
// PreIndexesCount = VertexIndexes.Count;
//}
}
result.ResourceState.ResourceSize = (UInt32)(resourceSize);
result.ResourceState.StreamState = EStreamingState.SS_Valid;
result.ResourceState.KeepValid = true;
result.GeometryMesh.Dirty = true;
return;
}
//result.GeometryMesh.Cleanup();
unsafe
{
var vbDesc = new CVertexBufferDesc();
vbDesc.CPUAccess = (UInt32)ECpuAccess.CAS_WRITE;
var mesh = result.GeometryMesh;
//mesh.Cleanup();
{
vbDesc.InitData = Positions.UnsafeAddressAt(0);
vbDesc.Stride = (UInt32)sizeof(Vector3);
vbDesc.ByteWidth = (UInt32)(sizeof(Vector3) * Positions.Count);
var vb = rc.CreateVertexBuffer(vbDesc);
mesh.BindVertexBuffer(EVertexSteamType.VST_Position, vb);
resourceSize += vbDesc.ByteWidth;
}
{
vbDesc.InitData = Tangents.UnsafeAddressAt(0);
vbDesc.Stride = (UInt32)sizeof(Vector4);
vbDesc.ByteWidth = (UInt32)(sizeof(Vector4) * Tangents.Count);
var vb = rc.CreateVertexBuffer(vbDesc);
mesh.BindVertexBuffer(EVertexSteamType.VST_Tangent, vb);
resourceSize += vbDesc.ByteWidth;
}
{
vbDesc.InitData = Normals.UnsafeAddressAt(0);
vbDesc.Stride = (UInt32)sizeof(Vector3);
vbDesc.ByteWidth = (UInt32)(sizeof(Vector3) * Normals.Count);
var vb = rc.CreateVertexBuffer(vbDesc);
mesh.BindVertexBuffer(EVertexSteamType.VST_Normal, vb);
resourceSize += vbDesc.ByteWidth;
}
{
vbDesc.InitData = UVs.UnsafeAddressAt(0);
vbDesc.Stride = (UInt32)sizeof(Vector2);
vbDesc.ByteWidth = (UInt32)(sizeof(Vector2) * UVs.Count);
var vb = rc.CreateVertexBuffer(vbDesc);
mesh.BindVertexBuffer(EVertexSteamType.VST_UV, vb);
resourceSize += vbDesc.ByteWidth;
}
{
vbDesc.InitData = Colors.UnsafeAddressAt(0);
vbDesc.Stride = (UInt32)sizeof(Byte4);
vbDesc.ByteWidth = (UInt32)(sizeof(Byte4) * Colors.Count);
var vb = rc.CreateVertexBuffer(vbDesc);
mesh.BindVertexBuffer(EVertexSteamType.VST_Color, vb);
resourceSize += vbDesc.ByteWidth;
}
{
var ibDesc = new CIndexBufferDesc();
ibDesc.CPUAccess = (UInt32)ECpuAccess.CAS_WRITE;
ibDesc.InitData = VertexIndexes.UnsafeAddressAt(0);
ibDesc.Type = EIndexBufferType.IBT_Int32;
ibDesc.ByteWidth = (UInt32)(sizeof(UInt32) * VertexIndexes.Count);
var ib = rc.CreateIndexBuffer(ibDesc);
mesh.BindIndexBuffer(ib);
resourceSize += ibDesc.ByteWidth;
PreIndexesCount = VertexIndexes.Count;
}
result.ResourceState.ResourceSize = (UInt32)(resourceSize);
mesh.Dirty = true;
}
result.ResourceState.StreamState = EStreamingState.SS_Valid;
result.ResourceState.KeepValid = true;
}
public void UpdateGeomMesh(CRenderContext rc, float halfWidth = 0.1F)
{
if (GeomMesh == null)
{
return;
}
CDrawPrimitiveDesc dpDesc = new CDrawPrimitiveDesc();
dpDesc.SetDefault();
if (UseGeometry)
{
mTempPosition.Clear();
mTempUV.Clear();
LinesGen.BuildGraph(mTempPosition, mTempUV, halfWidth);
mTempNormal.Clear();
mTempNormal.SetGrowStep(mTempPosition.Count);
for (int i = 0; i < mTempPosition.Count; i++)
{
//mTempNormal.Add(mTempPosition[i].CalcNormals());
unsafe
{
LinePosition tempNorm = new LinePosition();
var ptr = (LinePosition *)mTempPosition.UnsafeAddressAt(i).ToPointer();
ptr->CalcNormals(ref tempNorm);
mTempNormal.Add(tempNorm);
}
}
dpDesc.StartIndex = 0xFFFFFFFF;
if (halfWidth == 0)
{
dpDesc.PrimitiveType = EPrimitiveType.EPT_LineList;
dpDesc.NumPrimitives = (UInt32)(mTempPosition.Count * 3 * 3);
}
else
{
dpDesc.NumPrimitives = (UInt32)(mTempPosition.Count * 3 * 2);
}
GeomMesh.SetAtom(0, 0, ref dpDesc);
unsafe
{
GeomMesh.SetGeomtryMeshStream(rc, EVertexSteamType.VST_Position, mTempPosition.GetBufferPtr(),
(UInt32)(sizeof(LinePosition) * mTempPosition.Count), (UInt32)sizeof(Vector3), 0);
GeomMesh.SetGeomtryMeshStream(rc, EVertexSteamType.VST_Normal, mTempNormal.GetBufferPtr(),
(UInt32)(sizeof(LinePosition) * mTempNormal.Count), (UInt32)sizeof(Vector3), 0);
GeomMesh.SetGeomtryMeshStream(rc, EVertexSteamType.VST_UV, mTempUV.GetBufferPtr(),
(UInt32)(sizeof(LineUV) * mTempUV.Count), (UInt32)sizeof(Vector2), 0);
}
}
else
{
mTempPosition.Clear();
mTempUV.Clear();
LinesGen.BuildGraph(mTempPosition, mTempUV, halfWidth);
mTempNormal.Clear();
mTempNormal.SetGrowStep(mTempPosition.Count);
for (int i = 0; i < mTempPosition.Count; i++)
{
//mTempNormal.Add(mTempPosition[i].CalcNormals());
unsafe
{
LinePosition tempNorm = new LinePosition();
var ptr = (LinePosition *)mTempPosition.UnsafeAddressAt(i).ToPointer();
ptr->CalcNormals(ref tempNorm);
mTempNormal.Add(tempNorm);
}
}
dpDesc.StartIndex = 0xFFFFFFFF;
if (halfWidth == 0)
{
dpDesc.PrimitiveType = EPrimitiveType.EPT_LineList;
dpDesc.NumPrimitives = (UInt32)(mTempPosition.Count * 3);
}
else
{
dpDesc.NumPrimitives = (UInt32)(mTempPosition.Count * 2);
}
GeomMesh.SetAtom(0, 0, ref dpDesc);
unsafe
{
GeomMesh.SetGeomtryMeshStream(rc, EVertexSteamType.VST_Position, mTempPosition.GetBufferPtr(),
(UInt32)(sizeof(LinePosition) * mTempPosition.Count), (UInt32)sizeof(Vector3), 0);
GeomMesh.SetGeomtryMeshStream(rc, EVertexSteamType.VST_Normal, mTempNormal.GetBufferPtr(),
(UInt32)(sizeof(LinePosition) * mTempNormal.Count), (UInt32)sizeof(Vector3), 0);
GeomMesh.SetGeomtryMeshStream(rc, EVertexSteamType.VST_UV, mTempUV.GetBufferPtr(),
(UInt32)(sizeof(LineUV) * mTempUV.Count), (UInt32)sizeof(Vector2), 0);
}
}
GeomMesh.AABB = LinesGen.AABB;
GeomMesh.GeometryMesh.Dirty = true;
}
public void AddDefaultColorBuff(CRenderContext rc, CGfxMeshPrimitives result)
{
if (result == null)
{
return;
}
var mesh = result.GeometryMesh;
if (mesh == null)
{
return;
}
CVertexBuffer colorbuff = mesh.GetVertexBuffer(EVertexSteamType.VST_Color);
if (colorbuff != null)
{
return;
}
CVertexBuffer posbuff = mesh.GetVertexBuffer(EVertexSteamType.VST_Position);
if (posbuff == null)
{
return;
}
var blob = new Support.CBlobObject();
posbuff.GetBufferData(rc, blob);
int vertNum = 0;
unsafe
{
vertNum = (int)blob.Size / sizeof(Vector3);
}
if (vertNum == 0)
{
return;
}
Support.NativeList <Byte4> Colors = new Support.NativeList <Byte4>();
var color = new Byte4();
color.X = 255;
color.Y = 255;
color.Z = 255;
color.W = 255;
for (int i = 0; i < vertNum; i++)
{
Colors.Add(color);
}
var dpDesc = new CDrawPrimitiveDesc();
dpDesc.SetDefault();
dpDesc.NumPrimitives = (UInt32)vertNum;
result.SetAtom(0, 0, ref dpDesc);
UInt32 resourceSize = 0;
unsafe
{
var vbDesc = new CVertexBufferDesc();
vbDesc.CPUAccess = (UInt32)ECpuAccess.CAS_WRITE;
{
vbDesc.InitData = Colors.UnsafeAddressAt(0);
vbDesc.Stride = (UInt32)sizeof(Byte4);
vbDesc.ByteWidth = (UInt32)(sizeof(Byte4) * Colors.Count);
var vb = rc.CreateVertexBuffer(vbDesc);
mesh.BindVertexBuffer(EVertexSteamType.VST_Color, vb);
resourceSize += vbDesc.ByteWidth;
}
result.ResourceState.ResourceSize = (UInt32)(resourceSize);
mesh.Dirty = true;
}
result.ResourceState.StreamState = EStreamingState.SS_Valid;
result.ResourceState.KeepValid = true;
}