// Start is called before the first frame update
void Start()
{
MemoryStream ms = new MemoryStream(Data.bytes);
int totalCount = MTFileUtils.ReadInt(ms);
positions = new Vector3[totalCount];
colors = new Color[totalCount];
int spawned = 0;
while (ms.Position < ms.Length && spawned < totalCount)
{
ushort spawnedCount = MTFileUtils.ReadUShort(ms);
for (int i = 0; i < spawnedCount; ++i)
{
positions[spawned] = MTFileUtils.ReadVector3(ms);
var scale = MTFileUtils.ReadVector3(ms);
colors[spawned] = MTFileUtils.ReadColor(ms);
++spawned;
}
}
ms.Close();
}
public BatchSplitor(byte[] data, Bounds bnd, Mesh mesh)
{
MemoryStream ms = new MemoryStream(data);
TotalCount = MTFileUtils.ReadInt(ms);
matrices = new NativeArray <float4x4>(TotalCount, Allocator.Persistent);
batchIds = new NativeArray <int>(TotalCount, Allocator.Persistent);
colors = new Vector4[TotalCount];
int spawned = 0;
while (ms.Position < ms.Length && spawned < matrices.Length)
{
ushort spawnedCount = MTFileUtils.ReadUShort(ms);
for (int i = 0; i < spawnedCount; ++i)
{
var pos = MTFileUtils.ReadVector3(ms);
var scale = MTFileUtils.ReadVector3(ms);
var color = MTFileUtils.ReadColor(ms);
matrices[spawned] = float4x4.TRS(pos, Quaternion.identity, scale);
colors[spawned] = color;
batchIds[spawned] = 0;
++spawned;
}
}
ms.Close();
if (spawned != TotalCount)
{
Debug.LogError("terrain detail layer total count is different with spawned count");
}
//使用空间4叉树分batch
if (TotalCount >= count_per_batch)
{
job = new MTDetailBatchSeparateJob();
job.batchIds = batchIds;
job.spawnMatrix = matrices;
NativeArray <SeparateBound> bounds = new NativeArray <SeparateBound>(4, Allocator.TempJob);
int offset = 0;
SplitBounds(TotalCount, bnd.min, bnd.max, bounds, ref offset);
job.bounds = bounds;
separateJobs = job.Schedule(TotalCount, 16);
IsComplete = false;
}
else
{
SplitedBatches = new BatchParameters[1];
var param = new BatchParameters()
{
InstanceCount = TotalCount, Bnd = new Bounds(bnd.center, bnd.size)
};
for (int i = 0; i < matrices.Length; ++i)
{
param.Matrices.Add(matrices[i]);
param.Colors.Add(colors[i]);
}
SplitedBatches[0] = param;
LogResults();
batchIds.Dispose();
matrices.Dispose();
IsComplete = true;
}
}