private void UpdateFromCollector()
{
_stats.removed = 0;
_stats.added = 0;
Stopwatch sw = new Stopwatch();
sw.Start();
for (int i = _objectsUsed.Count - 1; i >= 0; --i)
{
GameObject used = _objectsUsed[i];
if (!_collector.HasNode(used.name))
{
_objectsUsed.RemoveAt(i);
used.SetActive(false);
_objectPool.Enqueue(used);
}
}
foreach (var nodeKey in _collector.GetNewNodes())
{
var node = _collector.GetNode(nodeKey);
Mesh mesh = _collector.GetMesh(node.Mesh);
if (mesh != null)
{
GameObject child = AllocateObject(nodeKey);
child.transform.localPosition = new Vector3((float)node.posX, (float)node.posZ, (float)node.posY);
child.transform.localScale = new Vector3((float)node.scaleX, (float)node.scaleZ, (float)node.scaleY);
child.transform.localEulerAngles = new Vector3((float)node.rotX, (float)node.rotZ, (float)node.rotY);
MeshFilter meshFilter = child.GetComponent <MeshFilter>();
meshFilter.sharedMesh = mesh;
MeshRenderer meshRenderer = child.GetComponent <MeshRenderer>();
Material material = _collector.GetMaterial(node.Material);
if (material != null)
{
meshRenderer.material = material;
}
else
{
meshRenderer.material.shader = Shader.Find("Standard");
}
_objectsUsed.Add(child);
}
_stats.added++;
}
sw.Stop();
_stats.updateTime = (float)sw.Elapsed.TotalMilliseconds;
_stats.collectorStats = _collector.LastStats;
}
/** \param removeOld: Remove terrains that are not in the collector. */
private void AddTerrains(Collector collector, bool removeOld = false)
{
// Get new nodes
HashSet <Vector2Int> toRemove = new HashSet <Vector2Int>(_terrains.Keys);
foreach (var nodeName in collector.GetNewNodes())
{
var node = collector.GetNode(nodeName);
string terrainName = node.Mesh;
IntPtr terrainHandle = collector.GetTerrainHandle(terrainName);
if (terrainHandle != IntPtr.Zero)
{
// get bbox
BBox bbox = Terrains.terrainGetBBox(terrainHandle);
double size = bbox.xmax - bbox.xmin;
var coords = new Vector2Int((int)(bbox.xmin / size), (int)(bbox.ymin / size));
if (!_terrains.ContainsKey(coords))
{
GameObject terrainGO = new GameObject("Terrain " + coords);
#if UNITY_EDITOR
Undo.RegisterCreatedObjectUndo(terrainGO, "Added terrain");
#endif
terrainGO.transform.SetParent(transform);
var worldTerrain = terrainGO.AddComponent <WorldTerrain>();
worldTerrain.terrainSystem = this;
worldTerrain.coords = coords;
var terrain = terrainGO.AddComponent <Terrain>();
terrain.materialTemplate = materialTemplate;
terrain.terrainData = new TerrainData();
terrainGO.AddComponent <TerrainCollider>().terrainData = terrain.terrainData;
Terrains.ReadTerrainData(terrain.terrainData, terrainHandle);
Terrains.ReadTerrainTextures(terrain, terrainHandle, collector, _cacheLocation);
Terrains.UpdateTerrainBBox(terrain, bbox);
_terrainGOs.Add(coords, terrainGO);
_terrains.Add(coords, terrain);
}
else
{
toRemove.Remove(coords);
}
}
}
if (removeOld)
{
foreach (var key in toRemove)
{
DeleteTerrain(key);
}
}
UpdateNeighbours();
}