protected void MakeDrawArguments(
PrimitiveType primitiveType,
ref Internal.VertexBuffer <GeometryVertex> vb, ref Internal.IndexBuffer ib,
ref int vertexOffset, ref int indexOffset, out int primCount,
int vertexCount, int indexCount
)
{
if ((vertexCount == 0) || (indexCount == 0))
{
primCount = 0;
return;
}
primCount = primitiveType.ComputePrimitiveCount(indexCount);
_DrawArguments.Add(new DrawArguments {
PrimitiveType = primitiveType,
VertexOffset = vertexOffset,
VertexCount = vertexCount,
IndexOffset = indexOffset,
IndexCount = indexCount,
PrimitiveCount = primCount
});
vertexOffset += vertexCount;
indexOffset += indexCount;
}
protected static void _PrepareLine(ref Internal.VertexBuffer <GeometryVertex> vb, ref Internal.IndexBuffer ib, ref GeometryDrawCall dc)
{
var vw = vb.GetWriter(2);
var iw = ib.GetWriter(LineIndices.Length, ref vw);
vw.Write(MakeVertex(dc.Vector0.X, dc.Vector0.Y, dc.Z, dc.Color0));
vw.Write(MakeVertex(dc.Vector1.X, dc.Vector1.Y, dc.Z, dc.Color1));
iw.Write(LineIndices);
}
public static unsafe void _PrepareRing(ref Internal.VertexBuffer <GeometryVertex> vb, ref Internal.IndexBuffer ib, ref GeometryDrawCall dc)
{
int numPoints = ComputeRingPoints(ref dc.Vector2);
const int vertexStride = 2;
const int indexStride = 6;
var vw = vb.GetWriter(numPoints * vertexStride);
var iw = ib.GetWriter((numPoints - 1) * indexStride, ref vw);
float a = dc.Scalar0;
float step = (float)((dc.Scalar1 - dc.Scalar0) / (numPoints - 1));
float cos, sin;
float colorA = 0, colorStep = 1.0f / (numPoints - 1);
var vertexInner = new GeometryVertex(new Vector3(0, 0, dc.Z), dc.Color0);
var vertexOuter = new GeometryVertex(new Vector3(0, 0, dc.Z), dc.Color1);
fixed(GeometryVertex *pVertices = &vw.Storage.Array[vw.Storage.Offset])
fixed(ushort *pIndices = &iw.Storage.Array[iw.Storage.Offset])
for (int i = 0, j = 0, k = 0; i < numPoints; i++, j += vertexStride, k += indexStride)
{
cos = (float)Math.Cos(a);
sin = (float)Math.Sin(a);
vertexInner.Position.X = dc.Vector0.X + (float)(cos * dc.Vector1.X);
vertexInner.Position.Y = dc.Vector0.Y + (float)(sin * dc.Vector1.Y);
vertexInner.Color = Color.Lerp(dc.Color0, dc.Color2, colorA);
pVertices[j] = vertexInner;
vertexOuter.Position.X = dc.Vector0.X + (float)(cos * dc.Vector2.X);
vertexOuter.Position.Y = dc.Vector0.Y + (float)(sin * dc.Vector2.Y);
vertexOuter.Color = Color.Lerp(dc.Color1, dc.Color3, colorA);
pVertices[j + 1] = vertexOuter;
if (i == (numPoints - 1))
{
break;
}
pIndices[k] = (ushort)(j + vw.IndexOffset);
pIndices[k + 1] = (ushort)(j + 1 + vw.IndexOffset);
pIndices[k + 2] = (ushort)(j + 3 + vw.IndexOffset);
pIndices[k + 3] = (ushort)(j + 2 + vw.IndexOffset);
pIndices[k + 4] = (ushort)(j + vw.IndexOffset);
pIndices[k + 5] = (ushort)(j + 3 + vw.IndexOffset);
a += step;
colorA += colorStep;
}
}
public override void Prepare()
{
if (Count > 0)
{
#if PSM
_BufferGenerator = Container.RenderManager.GetBufferGenerator <PSMBufferGenerator <GeometryVertex> >();
#else
_BufferGenerator = Container.RenderManager.GetBufferGenerator <XNABufferGenerator <GeometryVertex> >();
#endif
_DrawArguments = _DrawArgumentsListPool.Allocate(null);
var swb = _BufferGenerator.Allocate(VertexCount, IndexCount, true);
_SoftwareBuffer = swb;
var vb = new Internal.VertexBuffer <GeometryVertex>(swb.Vertices);
var ib = new Internal.IndexBuffer(swb.Indices);
int vertexOffset = 0, indexOffset = 0;
foreach (var kvp in Lists)
{
var l = kvp.Value;
var c = l.Count;
#if PSM
l.Timsort(_DrawCallSorter);
#else
l.Sort(_DrawCallSorter);
#endif
int vertexCount = vb.Count, indexCount = ib.Count;
var _l = l.GetBuffer();
for (int i = 0; i < c; i++)
{
var dc = _l[i];
dc.Preparer(ref vb, ref ib, ref dc);
}
vertexCount = vb.Count - vertexCount;
indexCount = ib.Count - indexCount;
MakeDrawArguments(kvp.Key, ref vb, ref ib, ref vertexOffset, ref indexOffset, vertexCount, indexCount);
}
int done = 0;
done = 1;
}
}
protected override void Prepare(PrepareManager manager)
{
if (Count > 0)
{
_BufferGenerator = Container.RenderManager.GetBufferGenerator <BufferGenerator <GeometryVertex> >();
_DrawArguments = _DrawArgumentsListPool.Allocate(null);
var swb = _BufferGenerator.Allocate(VertexCount, IndexCount, true);
_SoftwareBuffer = swb;
var vb = new Internal.VertexBuffer <GeometryVertex>(swb.Vertices);
var ib = new Internal.IndexBuffer(swb.Indices);
int vertexOffset = 0, indexOffset = 0;
int totalPrimCount = 0;
foreach (var kvp in Lists)
{
var l = kvp.Value;
var c = l.Count;
l.FastCLRSort(_DrawCallSorter);
int vertexCount = vb.Count, indexCount = ib.Count;
var _l = l.GetBuffer();
for (int i = 0; i < c; i++)
{
var dc = _l[i];
dc.Preparer(ref vb, ref ib, ref dc);
}
vertexCount = vb.Count - vertexCount;
indexCount = ib.Count - indexCount;
int primCount;
MakeDrawArguments(kvp.Key, ref vb, ref ib, ref vertexOffset, ref indexOffset, out primCount, vertexCount, indexCount);
totalPrimCount += primCount;
}
NativeBatch.RecordPrimitives(totalPrimCount);
}
}
protected static void _PrepareQuadBorder(ref Internal.VertexBuffer <GeometryVertex> vb, ref Internal.IndexBuffer ib, ref GeometryDrawCall dc)
{
var vw = vb.GetWriter(8);
var iw = ib.GetWriter(QuadBorderIndices.Length, ref vw);
var tl = dc.Vector0;
var br = dc.Vector1;
var border = dc.Scalar0;
var vInner = new GeometryVertex(new Vector3(tl.X, tl.Y, dc.Z), dc.Color0);
var vOuter = new GeometryVertex(new Vector3(tl.X - border, tl.Y - border, dc.Z), dc.Color1);
vw.Write(ref vInner);
vw.Write(ref vOuter);
vInner.Position.X = br.X;
vOuter.Position.X = br.X + border;
vw.Write(ref vInner);
vw.Write(ref vOuter);
vInner.Position.Y = br.Y;
vOuter.Position.Y = br.Y + border;
vw.Write(ref vInner);
vw.Write(ref vOuter);
vInner.Position.X = tl.X;
vOuter.Position.X = tl.X - border;
vw.Write(ref vInner);
vw.Write(ref vOuter);
iw.Write(QuadBorderIndices);
}