private static void RecordGrass(Dictionary <string, List <GameObject> > grassDic, SceneElementAsset holder)
{
foreach (var pair in grassDic)
{
List <GameObject> objects = pair.Value;
MeshRenderer mr = objects[0].GetComponentInChildren <MeshRenderer>();
MeshFilter mf = objects[0].GetComponentInChildren <MeshFilter>();
if (mr == null || mf == null)
{
continue;
}
GrassGroup group = new GrassGroup();
group.matrixList = new Matrix4x4[objects.Count];
for (int i = 0; i < objects.Count; i++)
{
Transform trans = objects[i].transform;
group.matrixList[i] = Matrix4x4.TRS(trans.position, trans.rotation, trans.localScale);
}
group.mesh = mf.sharedMesh;
group.mat = mr.sharedMaterial;
holder.Add(group);
}
}
private static void Record(GameObject o, SceneElementAsset holder, string prefabPath, int id)
{
if (!o.transform.parent)
{
return;
}
if (o.transform.parent && o.transform.parent.name == "preload")
{
PreloadElement element = new PreloadElement();
element.ResId = SearchPrefabIndex(prefabPath);
element.position = o.transform.position;
element.rotation = o.transform.eulerAngles;
element.scale = o.transform.localScale;
holder.Add(element);
}
else
{
MeshRenderer[] mrs = o.GetComponentsInChildren <MeshRenderer>();
SceneElement element = new SceneElement();
element.ID = id;
element.ResId = SearchPrefabIndex(prefabPath);
if (element.ResId == -1)
{
return;
}
element.order = orderList.IndexOf(o.transform.parent.name);
element.position = o.transform.position;
element.rotation = o.transform.eulerAngles;
element.scale = o.transform.localScale;
element.lightmapIndex = new List <int>();
element.lightmapOffset = new List <Vector4>();
if (mrs != null && mrs.Length > 0)
{
Vector3 min = mrs[0].bounds.min;
Vector3 max = mrs[0].bounds.max;
foreach (MeshRenderer mr in mrs)
{
//添加光照贴图
element.lightmapIndex.Add(mr.lightmapIndex);
element.lightmapOffset.Add(mr.lightmapScaleOffset);
//对比包围盒大小
min = Vector3.Min(mr.bounds.min, min);
max = Vector3.Max(mr.bounds.max, max);
}
Vector3 size = max - min;
Bounds bounds = new Bounds(min + size / 2, size);
if (size.x <= 0)
{
size.x = 0.2f;
}
if (size.y <= 0)
{
size.y = 0.2f;
}
if (size.z <= 0)
{
size.z = 0.2f;
}
bounds.size = size;
element.Bounds = bounds;
holder.Bounds.Encapsulate(bounds);
}
else
{
Bounds bounds = new Bounds(element.position, 0.1f * Vector3.one);
element.Bounds = bounds;
}
holder.Add(element);
}
}