private void SetBlendState(BlendState blendState)
{
var index = _blendStates.Count;
_blendStates.Add(blendState);
_buffer.Add(new GraphicsStateChange(CommandTypes.Blend, index));
}
public void Update()
{
collection_mesh_job.FinishUpdateMesh();
NativeBuffer <JobHandle> handles = new NativeBuffer <JobHandle>(batches.Count, Allocator.Temp);
bool has_job = false;
foreach (var b in batches)
{
var handle = b.BuildJob(out has_job);
if (has_job)
{
handles.Add(handle);
}
}
//if(handles.Length > 0)
{
collection_mesh_job.BeginCollectionMeshInfo();
foreach (var g in group_rebuild_mesh)
{
if (g.mesh == null)
{
continue;
}
collection_mesh_job.CollectionMeshfInfo(g);
}
collection_mesh_job.EndCollectionMeshInfo(JobHandle.CombineDependencies(handles));
group_rebuild_mesh.Clear();
}
handles.Dispose();
}
/// <summary>
/// Populates a list with transformed face vertices.
/// </summary>
public static unsafe void ComputeFaceClippingPolygon(ref NativeBuffer <ClipVertex> output, int faceIndex, RigidTransform t, NativeHull hull)
{
Debug.Assert(output.IsCreated);
NativeFace * face = hull.GetFacePtr(faceIndex);
NativePlane plane = hull.GetPlane(faceIndex);
NativeHalfEdge *start = hull.GetEdgePtr(face->Edge);
NativeHalfEdge *current = start;
do
{
NativeHalfEdge *twin = hull.GetEdgePtr(current->Twin);
float3 vertex = hull.GetVertex(current->Origin);
float3 P = math.transform(t, vertex);
ClipVertex clipVertex;
clipVertex.featurePair.InEdge1 = -1;
clipVertex.featurePair.OutEdge1 = -1;
clipVertex.featurePair.InEdge2 = (sbyte)current->Next;
clipVertex.featurePair.OutEdge2 = (sbyte)twin->Twin;
clipVertex.position = P;
clipVertex.hull2local = vertex;
clipVertex.plane = plane;
output.Add(clipVertex);
current = hull.GetEdgePtr(current->Next);
} while (current != start);
}
private void AddIndexToDirty(int index)
{
if (!dirtyset.Contains(index))
{
dirtyset.Add(index);
dirty_indices.Add(index);
}
}
/// <summary>
/// Populates a list with transformed face planes
/// </summary>
public static unsafe void GetClippingPlanes(ref NativeBuffer <ClipPlane> output, NativePlane facePlane, int faceIndex, RigidTransform transform, NativeHull hull)
{
Debug.Assert(output.IsCreated);
for (int i = 0; i < hull.FaceCount; i++)
{
var p = hull.GetPlane(i);
output.Add(new ClipPlane
{
plane = transform * p,
});
}
}
public void CollectionMeshfInfo(HUDGroup group)
{
CheckCapacity(group.items.Count);
CollectionMeshInfoOffset offset = new CollectionMeshInfoOffset()
{
group = group.unique_id
};
int count = 0;
int mesh_quad_count = 0;
offset.offset = transform_indices.Length;
foreach (var itm in group.items)
{
if (itm.build_data_index < 0 || itm.batch == null)
{
continue;
}
if (itm.batch.buffer_info.transform_job_datas[itm.build_data_index].is_active == 0)
{
continue;
}
transform_indices.Add(new TransformIndex()
{
index = itm.build_data_index,
quad_count = (int)itm.size,
buffer_offset = itm.batch.buffer_info.info.offset,
quad_buffer_offset = itm.batch.buffer_info.info.quad_offset
});
count++;
mesh_quad_count += itm.valid_quad;
}
offset.length = count;
//if(offset.length > 0)
{
indeices_offset.Add(offset);
offset.out_index = output_index;
output_index++;
building_group.Add(group.unique_id, group);
}
if (mesh_quad_count > max_mesh_quad_count)
{
max_mesh_quad_count = mesh_quad_count;
}
}
public static unsafe void GetFaceSidePlanes(ref NativeBuffer <ClipPlane> output, NativePlane facePlane, int faceIndex, RigidTransform transform, NativeHull hull)
{
NativeHalfEdge *start = hull.GetEdgePtr(hull.GetFacePtr(faceIndex)->Edge);
NativeHalfEdge *current = start;
do
{
NativeHalfEdge *twin = hull.GetEdgePtr(current->Twin);
float3 P = math.transform(transform, hull.GetVertex(current->Origin));
float3 Q = math.transform(transform, hull.GetVertex(twin->Origin));
ClipPlane clipPlane = default;
clipPlane.edgeId = twin->Twin; //edge ID.
clipPlane.plane.Normal = math.normalize(math.cross(Q - P, facePlane.Normal));
clipPlane.plane.Offset = math.dot(clipPlane.plane.Normal, P);
output.Add(clipPlane);
current = hull.GetEdgePtr(current->Next);
}while (current != start);
}
/// <summary>
/// Perform the Sutherland-Hodgman polygon clipping. Since all side planes are pointing outwards the points that are *behind* the plane are kept.
/// </summary>
public static void Clip(ClipPlane clipPlane, ref NativeBuffer <ClipVertex> input, ref NativeBuffer <ClipVertex> output)
{
//Debug.Assert(output.IsCreated && output.Length == 0);
Debug.Assert(input.IsCreated && input.Length != 0);
ClipVertex vertex1 = input[input.Length - 1];
float distance1 = clipPlane.plane.Distance(vertex1.position);
for (int i = 0; i < input.Length; ++i)
{
ClipVertex vertex2 = input[i];
float distance2 = clipPlane.plane.Distance(vertex2.position);
if (distance1 <= 0 && distance2 <= 0)
{
// Both vertices are behind or lying on the plane -> keep vertex2
output.Add(vertex2);
}
else if (distance1 <= 0 && distance2 > 0)
{
// vertex1 is behind the plane, vertex2 is in front -> intersection point
float fraction = distance1 / (distance1 - distance2);
float3 position = vertex1.position + fraction * (vertex2.position - vertex1.position);
// Keep intersection point
ClipVertex vertex;
vertex.position = position;
vertex.featurePair.InEdge1 = -1;
vertex.featurePair.InEdge2 = vertex1.featurePair.OutEdge2;
vertex.featurePair.OutEdge1 = (sbyte)clipPlane.edgeId;
vertex.featurePair.OutEdge2 = -1;
vertex.plane = clipPlane.plane;
vertex.hull2local = position;
output.Add(vertex);
}
else if (distance2 <= 0 && distance1 > 0)
{
// vertex2 is behind of the plane, vertex1 is in front -> intersection point
float fraction = distance1 / (distance1 - distance2);
float3 position = vertex1.position + fraction * (vertex2.position - vertex1.position);
// Keep intersection point
ClipVertex vertex;
vertex.position = position;
vertex.featurePair.InEdge1 = (sbyte)clipPlane.edgeId;
vertex.featurePair.OutEdge1 = -1;
vertex.featurePair.InEdge2 = -1;
vertex.featurePair.OutEdge2 = vertex1.featurePair.OutEdge2;
vertex.plane = clipPlane.plane;
vertex.hull2local = position;
output.Add(vertex);
// Keep vertex2 as well
output.Add(vertex2);
}
// Keep vertex2 as starting vertex for next edge
vertex1 = vertex2;
distance1 = distance2;
}
}
