public MeshInfo(ref MeshFilter meshFilter, GetMeshData getMeshDataFunction)
{
uvs = new List <Vector2>();
vertices = new List <Vector3>();
triangles = new List <int>();
filter = meshFilter;
getMeshData = getMeshDataFunction;
}
public static unsafe bool GenerateTangentSpace(MikktspaceContext context, float angularThreshold = 180)
{
try
{
// explicitly store the delegates on the stack so they're not collected by the GC during the execution of this function
GetNumFaces _getNumFaces = context.GetNumFaces;
GetNumVerticesOfFace _getNumVerticesOfFace = context.GetNumVerticesOfFace;
GetMeshData _getPosition = context.GetPosition;
GetMeshData _getNormal = context.GetNormal;
GetMeshData _getTexCoord = context.GetTexCoord;
SetTangentSpace _setTangentSpace = context.SetTangentSpace;
SetTangentSpaceBasic _setTangentSpaceBasic = context.SetTangentSpaceBasic;
var mikkInterface = new SMikkTSpaceInterface();
mikkInterface.m_getNumFaces = Marshal.GetFunctionPointerForDelegate(_getNumFaces);
mikkInterface.m_getNumVerticesOfFace = Marshal.GetFunctionPointerForDelegate(_getNumVerticesOfFace);
mikkInterface.m_getPosition = Marshal.GetFunctionPointerForDelegate(_getPosition);
mikkInterface.m_getNormal = Marshal.GetFunctionPointerForDelegate(_getNormal);
mikkInterface.m_getTexCoord = Marshal.GetFunctionPointerForDelegate(_getTexCoord);
if (context.UsesBasicTangentHandler)
{
mikkInterface.m_setTSpaceBasic = Marshal.GetFunctionPointerForDelegate(_setTangentSpaceBasic);
}
else
{
mikkInterface.m_setTSpace = Marshal.GetFunctionPointerForDelegate(_setTangentSpace);
}
var mikkContext = new SMikkTSpaceContext();
mikkContext.m_pInterface = new IntPtr(&mikkInterface);
var pContext = new IntPtr(&mikkContext);
var result = Native.genMikktTangSpace(pContext, angularThreshold);
GC.KeepAlive(context);
GC.KeepAlive(_getNumFaces);
GC.KeepAlive(_getNumVerticesOfFace);
GC.KeepAlive(_getPosition);
GC.KeepAlive(_getNormal);
GC.KeepAlive(_getTexCoord);
GC.KeepAlive(_setTangentSpace);
GC.KeepAlive(_setTangentSpaceBasic);
return(result);
}
finally
{
}
}
public void CreateMeshData(object token)
{
try
{
//Thread.CurrentThread.Name = "CRT" + chunkX.ToString() + "," + chunkZ.ToString();
//Create an empty meshdata object
chunkMeshData = new MeshData();
natureMeshData = new MeshData();
//Start with determining the biome for this chunk
//Biome biome = (Biome)Chance.RandomItemFromList(biomes, chunkX, chunkZ, 4);
//Profiler.BeginThreadProfiling("My threads", "Chunk Builder");
//CustomSampler sampler = CustomSampler.Create("Chunk builder");
//sampler.Begin();
cornerBiomes = WorldGenUtil.GetCornerBiomes(regions, chunkX, chunkZ, regionSize, chunkSize, out isSeamingChunk);
//If the chunk is not on the disk and is not a seaming chunk just calculate it
if (!isSeamingChunk)
{
for (int x = 0; x < chunkSize; x += LODLevel)
{
if (quitThread)
{
break;
}
for (int z = 0; z < chunkSize; z += LODLevel)
{
if (quitThread)
{
break;
}
int heighthere = Chance.GetHeight(chunkX * 8 + x, chunkZ * 8 + z, cornerBiomes[0], null); chunkMeshData = GetMeshData.Blockdata(chunkX * 8 + x, heighthere, chunkZ * 8 + z, chunkMeshData, cornerBiomes[0], null, true, x, z, LODLevel, chunkSize);
Item vegetationItem = Chance.Vegetation(chunkX * 8 + x, chunkZ * 8 + z, heighthere, cornerBiomes[0]);
if (vegetationItem != null)
{
natureMeshData = GetItemMeshData.MeshForObject(chunkX * 8 + x, heighthere, chunkZ * 8 + z, natureMeshData, vegetationItem);
}
}
}
}
//If the chunk is not on disk but is seaming collect the height of the corners and sent this with the data
if (isSeamingChunk)
{
heightGrid = WorldGenUtil.GetHeightGrid(cornerBiomes, chunkSize, chunkX, chunkZ);
for (int x = 0; x < chunkSize; x += LODLevel)
{
if (quitThread)
{
break;
}
for (int z = 0; z < chunkSize; z += LODLevel)
{
if (quitThread)
{
break;
}
int heighthere = heightGrid[x, z];
chunkMeshData = GetMeshData.Blockdata(chunkX * 8 + x, heighthere, chunkZ * 8 + z, chunkMeshData, cornerBiomes[0], heightGrid, true, x, z, LODLevel, chunkSize);
Item vegetationItem = Chance.Vegetation(chunkX * 8 + x, chunkZ * 8 + z, heighthere, cornerBiomes[0]);
if (vegetationItem != null)
{
natureMeshData = GetItemMeshData.MeshForObject(chunkX * 8 + x, heighthere, chunkZ * 8 + z, natureMeshData, vegetationItem);
}
}
}
}
finished = true;
//sampler.End();
}
catch (System.Exception ex)
{
Debug.LogError(ex.Message);
}
}
