protected virtual void RenderInstances(CameraContext cameraContext, CommandBuffer renderQueue, Mesh mesh,
List <Matrix4x4> transforms, List <Matrix4x4> parentTransforms,
List <CreateMessage> shapes, Material material)
{
CategoriesState categories = this.CategoriesState;
// Handle instancing block size limits.
for (int i = 0; i < transforms.Count; i += _instanceTransforms.Length)
{
MaterialPropertyBlock materialProperties = new MaterialPropertyBlock();
int itemCount = 0;
_instanceColours.Clear();
for (int j = 0; j < _instanceTransforms.Length && j + i < transforms.Count; ++j)
{
if (categories == null || categories.IsActive(shapes[i + j].Category))
{
_instanceTransforms[itemCount] =
cameraContext.TesSceneToWorldTransform * parentTransforms[i + j] * transforms[i + j];
Maths.Colour colour = new Maths.Colour(shapes[i + j].Attributes.Colour);
_instanceColours.Add(Maths.ColourExt.ToUnityVector4(colour));
++itemCount;
}
}
if (itemCount > 0)
{
materialProperties.SetVectorArray("_Color", _instanceColours);
renderQueue.DrawMeshInstanced(mesh, 0, material, 0, _instanceTransforms, itemCount, materialProperties);
}
}
}
protected override void RenderInstances(CameraContext cameraContext, CommandBuffer renderQueue, Mesh mesh,
List <Matrix4x4> transforms, List <Matrix4x4> parentTransforms,
List <CreateMessage> shapes, Material material)
{
// Work out which mesh set we are rendering from the parent call: solid or wireframe. We could also look at
// the first CreateMessage flags.
Mesh[] meshes =
(shapes.Count > 0 && (shapes[0].Flags & (ushort)ObjectFlag.Wireframe) != 0) ? _wireframeMeshes : _solidMeshes;
CategoriesState categories = this.CategoriesState;
// Handle instancing block size limits.
for (int i = 0; i < transforms.Count; i += _instanceTransforms.Length)
{
MaterialPropertyBlock materialProperties = new MaterialPropertyBlock();
int itemCount = 0;
_instanceColours.Clear();
for (int j = 0; j < _instanceTransforms.Length && j + i < transforms.Count; ++j)
{
if (categories != null && !categories.IsActive(shapes[i + j].Category))
{
continue;
}
// Build the end cap transforms.
Matrix4x4 modelToSceneTransform = cameraContext.TesSceneToWorldTransform * parentTransforms[i + j];
Matrix4x4 transform = transforms[i + j];
// Work out the scaling. We only want to lengthen each line.
Vector3 scale = Vector3.zero;
scale.x = transform.GetColumn(0).magnitude;
scale.y = transform.GetColumn(1).magnitude;
scale.z = transform.GetColumn(2).magnitude;
// Remove scaling.
transform.SetColumn(0, transform.GetColumn(0) / scale.x);
transform.SetColumn(1, transform.GetColumn(1) / scale.y);
transform.SetColumn(2, transform.GetColumn(2) / scale.z);
// Scale each mesh.
Matrix4x4 transform2 = transform;
transform2.SetColumn(0, transform2.GetColumn(0) * scale.x);
_instanceTransforms[itemCount] = modelToSceneTransform * transform2;
transform2 = transform;
transform2.SetColumn(1, transform2.GetColumn(1) * scale.y);
_axis1Transforms[itemCount] = modelToSceneTransform * transform2;
transform2 = transform;
transform2.SetColumn(2, transform2.GetColumn(2) * scale.z);
_axis2Transforms[itemCount] = modelToSceneTransform * transform2;
Maths.Colour colour = new Maths.Colour(shapes[i + j].Attributes.Colour);
_instanceColours.Add(Maths.ColourExt.ToUnityVector4(colour));
++itemCount;
}
if (itemCount > 0)
{
materialProperties.SetVectorArray("_Color", _instanceColours);
// Render body.
renderQueue.DrawMeshInstanced(meshes[0], 0, material, 0, _instanceTransforms, itemCount, materialProperties);
// Render end caps.
renderQueue.DrawMeshInstanced(meshes[1], 0, material, 0, _axis1Transforms, itemCount, materialProperties);
renderQueue.DrawMeshInstanced(meshes[2], 0, material, 0, _axis2Transforms, itemCount, materialProperties);
}
}
}
protected override void RenderInstances(CameraContext cameraContext, CommandBuffer renderQueue, Mesh mesh,
List <Matrix4x4> transforms, List <Matrix4x4> parentTransforms,
List <CreateMessage> shapes, Material material)
{
// Work out which mesh set we are rendering from the parent call: solid or wireframe. We could also look at
// the first CreateMessage flags.
Mesh[] meshes =
(shapes.Count > 0 && (shapes[0].Flags & (ushort)ObjectFlag.Wireframe) != 0) ? _wireframeMeshes : _solidMeshes;
CategoriesState categories = this.CategoriesState;
// Handle instancing block size limits.
for (int i = 0; i < transforms.Count; i += _instanceTransforms.Length)
{
MaterialPropertyBlock materialProperties = new MaterialPropertyBlock();
int itemCount = 0;
_instanceColours.Clear();
for (int j = 0; j < _instanceTransforms.Length && j + i < transforms.Count; ++j)
{
if (categories != null && !categories.IsActive(shapes[i + j].Category))
{
continue;
}
// Build the end cap transforms.
Matrix4x4 modelToSceneTransform = cameraContext.TesSceneToWorldTransform * parentTransforms[i + j];
Matrix4x4 transform = transforms[i + j];
_instanceTransforms[itemCount] = modelToSceneTransform * transform;
// Extract radius and length to position the end caps.
float radius = transform.GetColumn(0).magnitude;
Vector4 zAxis = transform.GetColumn(2);
float length = zAxis.magnitude;
zAxis *= 1.0f / (length != 0 ? length : 1.0f);
// Scale the length axis to match the other two as the end caps are spheres.
transform.SetColumn(2, zAxis * radius);
// Adjust position for the first end cap.
Vector4 tAxis = transform.GetColumn(3);
tAxis += -0.5f * length * zAxis;
transform.SetColumn(3, tAxis);
_cap1Transforms[j] = modelToSceneTransform * transform;
// Adjust position for the second end cap.
tAxis += length * zAxis;
transform.SetColumn(3, tAxis);
_cap2Transforms[j] = modelToSceneTransform * transform;
Maths.Colour colour = new Maths.Colour(shapes[i + j].Attributes.Colour);
_instanceColours.Add(Maths.ColourExt.ToUnityVector4(colour));
++itemCount;
}
if (itemCount > 0)
{
materialProperties.SetVectorArray("_Color", _instanceColours);
// Render body.
renderQueue.DrawMeshInstanced(meshes[0], 0, material, 0, _instanceTransforms, itemCount, materialProperties);
// Render end caps.
renderQueue.DrawMeshInstanced(meshes[1], 0, material, 0, _cap1Transforms, itemCount, materialProperties);
renderQueue.DrawMeshInstanced(meshes[2], 0, material, 0, _cap2Transforms, itemCount, materialProperties);
}
}
}
