public void Rebuild(int sleepMs = 0)
{
if (!needRebuild)
{
return;
}
var parentMap = gameObject.GetComponentInParent <TestMap>();
if (start.x < 0 || start.y < 0 || end.x < 0 || end.y < 0)
{
return; // will cause fatal error
}
mapData = DDA.GetTilesBetween(start, end);
if (mapData == null)
{
return;
}
float tileSize = parentMap.tileSize;
if (thread != null && thread.IsAlive)
{
return;
}
thread = new Thread(() =>
{
Thread.Sleep(sleepMs);
MeshDraft chunkMesh = new MeshDraft();
int gameObjectCount = 0;
foreach (var tile in mapData.tiles)
{
//if (!tile.seen) continue;
MeshDraft tileMesh = parentMap.GetCachedTerMesh(tile.ter); // probably will not work in non main thread
if (tileMesh != null)
{
if (chunkMesh.vertexCount + tileMesh.vertexCount < 65000)
{
MeshDraft tileMeshCopy = tileMesh.Clone();
tileMeshCopy.Move(new Vector3((tile.loc.x - start.x) * tileSize, tile.loc.y * tileSize, (tile.loc.z - start.y) * tileSize));
chunkMesh.Add(tileMeshCopy);
}
else
{
AssignMesh(chunkMesh, "subchunk" + gameObjectCount.ToString("D2"));
gameObjectCount++;
chunkMesh = new MeshDraft();
}
}
}
if (chunkMesh.vertexCount > 0 && gameObjectCount == 0)
{
AssignMesh(chunkMesh);
}
else if (chunkMesh.vertexCount > 0)
{
AssignMesh(chunkMesh, "subchunk" + gameObjectCount.ToString("D2"));
}
});
thread.Start();
}