public int RebuildBVH(BVHHandle bvhHandle)
{
// build baker context
m_baker.m_sourcePaths = new string[] { AssetDatabase.GetAssetPath(bvhHandle.SourceMeshData.sharedMesh) };
m_baker.m_guids = new string[] { "" + m_baker.m_meshes[0].GetUniqueId() };
m_baker.m_meshRenderers = new MeshRenderer[] { bvhHandle.SourceMeshData.GetComponent <MeshRenderer>() };
// parse data and fill in missing context
BakeContext.BuildSceneContext(new MeshFilter[] { bvhHandle.SourceMeshData }, m_baker);
#if DDR_RUNTIME_DLL_LINKING_
int err = Invoke <int, _RebuildBVH>(bvhHandle.Ptr(), m_baker.m_meshIdsPtr, m_baker.m_vertexCountsPtr, m_baker.m_triangleCountPtr
, m_baker.m_matDataPtr, m_baker.m_meshDataPtr, m_baker.m_triangleDataPtr, m_baker.m_bakeOptionsPtr, 1, m_baker.m_guids, m_baker.m_sourcePaths);
#else
int err = _RebuildBVH(bvhHandle.Ptr(), m_baker.m_meshIdsPtr, m_baker.m_vertexCountsPtr, m_baker.m_triangleCountPtr
, m_baker.m_matDataPtr, m_baker.m_meshDataPtr, m_baker.m_triangleDataPtr, m_baker.m_bakeOptionsPtr, 1, m_baker.m_guids, m_baker.m_sourcePaths);
#endif
m_baker.FreeContext();
if (err != 0)
{
string error = GetLastError();
VertexBakerLib.LogError(error);
}
return(err);
}
public int TessellateTriangles(BVHHandle bvhHandle, Vector3 startPoint, Vector3 endPoint)
{
m_baker.m_sourcePaths = new string[] { AssetDatabase.GetAssetPath(bvhHandle.SourceMeshData.sharedMesh) };
m_baker.m_guids = new string[] { "" + m_baker.m_meshes[0].GetUniqueId() };
m_baker.m_meshRenderers = new MeshRenderer[] { bvhHandle.SourceMeshData.GetComponent <MeshRenderer>() };
List <MeshFilter> meshes = new List <MeshFilter>()
{
bvhHandle.SourceMeshData
};
m_baker.InitBakeContext(meshes, null);
BakeContext.IVertex vertexFormat = new BakeContext.DefaultVertex();
BakeContext.BuildSceneContext(m_baker.m_meshes.ToArray(), m_baker, vertexFormat);
int[] outIndex = new int[1];
outIndex[0] = -1;
#if DDR_RUNTIME_DLL_LINKING_
bool success = Invoke <bool, _TessellateTriangles>(bvhHandle.Ptr()
, m_baker.m_meshIdsPtr
, m_baker.m_vertexCountsPtr
, m_baker.m_triangleCountPtr
, vertexFormat.ElementCount
, vertexFormat.Definition.ToArray()
, m_baker.m_matDataPtr
, m_baker.m_meshDataPtr
, m_baker.m_triangleDataPtr
, m_baker.m_bakeOptionsPtr
, m_baker.m_guids
, m_baker.m_sourcePaths
, m_baker.m_settingsPtrs);
#else
bool success = _TessellateTriangles(bvhHandle.Ptr()
, m_baker.m_meshIdsPtr
, m_baker.m_vertexCountsPtr
, m_baker.m_triangleCountPtr
, vertexFormat.ElementCount
, vertexFormat.Definition.ToArray()
, m_baker.m_matDataPtr
, m_baker.m_meshDataPtr
, m_baker.m_triangleDataPtr
, m_baker.m_bakeOptionsPtr
, m_baker.m_guids
, m_baker.m_sourcePaths
, m_baker.m_settingsPtrs);
#endif
if (!success)
{
string error = GetLastError();
VertexBakerLib.LogError(error);
}
return(outIndex[0]);
}
public bool LoadBVH(MeshFilter mesh, ref BVHHandle bvhHandle)
{
IntPtr[] handle = new IntPtr[1];
#if DDR_RUNTIME_DLL_LINKING_
int err = Invoke <int, _LoadBVH>(mesh.GetUniqueId(), handle);
#else
int err = _LoadBVH(mesh.GetUniqueId(), handle);
#endif
bvhHandle = new BVHHandle(mesh, handle[0], this);
if (err != 0)
{
string error = GetLastError();
VertexBakerLib.LogError(error);
return(false);
}
return(true);
}
public string BuildBVH(MeshFilter[] meshes, ref BVHHandle[] bvhHandles)
{
m_baker.m_guids = new string[meshes.Length];
m_baker.m_sourcePaths = new string[meshes.Length];
m_baker.m_meshRenderers = new MeshRenderer[meshes.Length];
for (int i = 0; i < meshes.Length; ++i)
{
m_baker.m_sourcePaths[i] = AssetDatabase.GetAssetPath(meshes[i].sharedMesh);
m_baker.m_guids[i] = "" + meshes[i].GetUniqueId();
m_baker.m_meshRenderers[i] = meshes[i].GetComponent <MeshRenderer>();
}
m_baker.m_meshCount = meshes.Length;
BakeContext.BuildSceneContext(meshes, m_baker);
IntPtr[] handles = new IntPtr[meshes.Length];
for (int i = 0; i < handles.Length; ++i)
{
handles[i] = IntPtr.Zero;
}
#if DDR_RUNTIME_DLL_LINKING_
string msg = Marshal.PtrToStringAnsi(Invoke <IntPtr, _BuildBVH>(m_baker.m_meshIdsPtr, m_baker.m_vertexCountsPtr, m_baker.m_triangleCountPtr, m_baker.m_matDataPtr
, m_baker.m_meshDataPtr, m_baker.m_triangleDataPtr, m_baker.m_bakeOptionsPtr, m_baker.m_meshCount
, m_baker.m_guids, m_baker.m_sourcePaths, m_baker.m_settingsIndicesPtr, m_baker.m_settingsPtrs, handles));
#else
string msg = Marshal.PtrToStringAnsi(_BuildBVH(m_baker.m_meshIdsPtr, m_baker.m_vertexCountsPtr, m_baker.m_triangleCountPtr, m_baker.m_matDataPtr
, m_baker.m_meshDataPtr, m_baker.m_triangleDataPtr, m_baker.m_bakeOptionsPtr, m_baker.m_meshCount
, m_baker.m_guids, m_baker.m_sourcePaths, m_baker.m_settingsIndicesPtr, m_baker.m_settingsPtrs, handles));
#endif
m_baker.FreeContext();
// output specialized handle
bvhHandles = new BVHHandle[handles.Length];
for (int i = 0; i < handles.Length; ++i)
{
bvhHandles[i] = new BVHHandle(meshes[i], handles[i], this);
}
return(msg);
}
public static GpuSmitsBVHNode[] CreateBVH(IEnumerable<TriangleDataInfo> triangles, IEnumerable<Point> vertices,
uint treeType = 4u, int csamples = 4, int intersectionCost = 60,
int traverseCost = 20, float emptyBonus = 20f)
{
var triData = new DLLx.TriangleData(
triangles.Select(tri => new DLLx.TriInfo() { id = 0, v1 = (int)tri.v0.VertexIndex, v2 = (int)tri.v1.VertexIndex, v3 = (int)tri.v2.VertexIndex }).ToArray(),
vertices.Select(v => new DLLx.VertInfo(v.x, v.y, v.z)).ToArray());
Tracer.TraceLine("Start building");
using (var bvhHandle = new BVHHandle(triData, treeType, csamples, intersectionCost, traverseCost, emptyBonus))
{
var data = bvhHandle.GetData();
Tracer.TraceLine("Complete!");
return data.
//Except(new[]{data.First()}).
Select(item => new GpuSmitsBVHNode()
{
bbox = new AABBInfo(new Point(item.bbox.pMin.x, item.bbox.pMin.y, item.bbox.pMin.z), new Point(item.bbox.pMax.x, item.bbox.pMax.y, item.bbox.pMax.z)),
primitive = item.primitive,
skipIndex = item.skipIndex
}).ToArray();
}
}
