/*
* public void RenderSoftBodyTextured(SoftBody softBody)
* {
* if (!(softBody.UserObject is Array))
* return;
*
* object[] userObjArr = softBody.UserObject as object[];
* FloatArray vertexBuffer = userObjArr[0] as FloatArray;
* IntArray indexBuffer = userObjArr[1] as IntArray;
*
* int vertexCount = (vertexBuffer.Count / 8);
*
* if (vertexCount > 0)
* {
* int faceCount = indexBuffer.Count / 2;
*
* bool index32 = vertexCount > 65536;
*
* Mesh mesh = new Mesh(device, faceCount, vertexCount,
* MeshFlags.SystemMemory | (index32 ? MeshFlags.Use32Bit : 0),
* VertexFormat.Position | VertexFormat.Normal | VertexFormat.Texture1);
*
* SlimDX.DataStream indices = mesh.LockIndexBuffer(LockFlags.Discard);
* if (index32)
* {
* foreach (int i in indexBuffer)
* indices.Write(i);
* }
* else
* {
* foreach (int i in indexBuffer)
* indices.Write((ushort)i);
* }
* mesh.UnlockIndexBuffer();
*
* SlimDX.DataStream verts = mesh.LockVertexBuffer(LockFlags.Discard);
* foreach (float f in vertexBuffer)
* verts.Write(f);
* mesh.UnlockVertexBuffer();
*
* mesh.ComputeNormals();
* mesh.DrawSubset(0);
* mesh.Dispose();
* }
* }
* */
public static Buffer CreateScreenQuad(Device device)
{
Buffer vertexBuffer;
BufferDescription vertexBufferDesc = new BufferDescription()
{
SizeInBytes = sizeof(float) * 5 * 4,
Usage = ResourceUsage.Default,
BindFlags = BindFlags.VertexBuffer,
};
using (var data = new SharpDX.DataStream(vertexBufferDesc.SizeInBytes, false, true))
{
data.Write(new Vector3(0.5f, 0.5f, 0));
data.Write(new Vector2(1, 0));
data.Write(new Vector3(0.5f, -0.5f, 0));
data.Write(new Vector2(1, 1));
data.Write(new Vector3(-0.5f, 0.5f, 0));
data.Write(new Vector2(0, 0));
data.Write(new Vector3(-0.5f, -0.5f, 0));
data.Write(new Vector2(0, 1));
data.Position = 0;
vertexBuffer = new Buffer(device, data, vertexBufferDesc);
}
return(vertexBuffer);
}
public static SharpDX.Direct3D11.Buffer CreateBuffer <T>(SharpDX.Direct3D11.Device1 device, BindFlags bindFlags, params T[] items)
where T : struct
{
var len = Utilities.SizeOf(items);
var stream = new DataStream(len, true, true);
foreach (var item in items)
{
stream.Write(item);
}
stream.Position = 0;
var buffer = new SharpDX.Direct3D11.Buffer(device, stream, len, ResourceUsage.Default,
bindFlags, CpuAccessFlags.None, ResourceOptionFlags.None, 0);
return(buffer);
}
/// <summary>
/// Creates the constant buffer object.
/// </summary>
protected internal override D3D11.Buffer CreateConstantBuffer(EngineDevice device)
{
using (var dataStream = new SharpDX.DataStream(SharpDX.Utilities.SizeOf <T>(), true, true))
{
dataStream.Write(m_initialData);
dataStream.Position = 0;
return(new D3D11.Buffer(
device.DeviceD3D11_1,
dataStream,
new D3D11.BufferDescription(
m_structureSize,
D3D11.ResourceUsage.Dynamic,
D3D11.BindFlags.ConstantBuffer,
D3D11.CpuAccessFlags.Write,
D3D11.ResourceOptionFlags.None,
0)));
}
}
void ModifyVertexBuffer()
{
var bufferHandle = m_VertexBufferHandle;
int vertexCount = m_VertexBufferVertexCount;
if (bufferHandle == System.IntPtr.Zero)
{
return;
}
float t = m_Time * 3.0f;
System.Func <int, byte[]> getPadding = bufferSize =>
{
var stride = (int)(bufferSize / vertexCount);
return(new byte[stride - (3 + 3 + 2) * 4]);
};
System.Action <System.IntPtr, int, byte[]> callback = (ptr, size, padding) =>
{
using (var stream = new SharpDX.DataStream(ptr, size, false, true))
{
// modify vertex Y position with several scrolling sine waves,
// copy the rest of the source data unmodified
for (int i = 0; i < vertexCount; ++i)
{
var src = m_VertexSource[i];
stream.Write(src.pos.x);
stream.Write(src.pos.y + UnityEngine.Mathf.Sin(src.pos[0] * 1.1f + t) * 0.4f + UnityEngine.Mathf.Sin(src.pos[2] * 0.9f - t) * 0.3f);
stream.Write(src.pos.z);
stream.Write(src.normal);
stream.Write(src.uv);
stream.Write(padding, 0, padding.Length);
}
}
};
BeginModifyVertexBuffer(bufferHandle
, getPadding
, callback);
}
/*
public void RenderSoftBodyTextured(SoftBody softBody)
{
if (!(softBody.UserObject is Array))
return;
object[] userObjArr = softBody.UserObject as object[];
FloatArray vertexBuffer = userObjArr[0] as FloatArray;
IntArray indexBuffer = userObjArr[1] as IntArray;
int vertexCount = (vertexBuffer.Count / 8);
if (vertexCount > 0)
{
int faceCount = indexBuffer.Count / 2;
bool index32 = vertexCount > 65536;
Mesh mesh = new Mesh(device, faceCount, vertexCount,
MeshFlags.SystemMemory | (index32 ? MeshFlags.Use32Bit : 0),
VertexFormat.Position | VertexFormat.Normal | VertexFormat.Texture1);
SlimDX.DataStream indices = mesh.LockIndexBuffer(LockFlags.Discard);
if (index32)
{
foreach (int i in indexBuffer)
indices.Write(i);
}
else
{
foreach (int i in indexBuffer)
indices.Write((ushort)i);
}
mesh.UnlockIndexBuffer();
SlimDX.DataStream verts = mesh.LockVertexBuffer(LockFlags.Discard);
foreach (float f in vertexBuffer)
verts.Write(f);
mesh.UnlockVertexBuffer();
mesh.ComputeNormals();
mesh.DrawSubset(0);
mesh.Dispose();
}
}
* */
public static Buffer CreateScreenQuad(Device device)
{
Buffer vertexBuffer;
BufferDescription vertexBufferDesc = new BufferDescription()
{
SizeInBytes = sizeof(float) * 5 * 4,
Usage = ResourceUsage.Default,
BindFlags = BindFlags.VertexBuffer,
};
using (var data = new DataStream(vertexBufferDesc.SizeInBytes, false, true))
{
data.Write(new Vector3(0.5f, 0.5f, 0));
data.Write(new Vector2(1, 0));
data.Write(new Vector3(0.5f, -0.5f, 0));
data.Write(new Vector2(1, 1));
data.Write(new Vector3(-0.5f, 0.5f, 0));
data.Write(new Vector2(0, 0));
data.Write(new Vector3(-0.5f, -0.5f, 0));
data.Write(new Vector2(0, 1));
data.Position = 0;
vertexBuffer = new Buffer(device, data, vertexBufferDesc);
}
return vertexBuffer;
}
