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);
}
}
public static void Build()
{
string sceneName = SceneManager.GetActiveScene().name;
SceneElementAsset holder = ScriptableObject.CreateInstance <SceneElementAsset>();
//总包围盒
Bounds bounds = new Bounds(Vector3.zero, Vector3.zero);
holder.Bounds = bounds;
int index = 1;
GameObject[] games = GameObject.FindObjectsOfType <GameObject>();
Dictionary <string, List <GameObject> > grassDic = new Dictionary <string, List <GameObject> >();
for (int i = 0; i < games.Length; i++)
{
GameObject go = games[i];
if (!go.activeSelf)
{
continue;
}
Object prefab = PrefabUtility.GetCorrespondingObjectFromOriginalSource(go);
if (prefab)
{
if (go.transform.parent)
{
GameObject parent = go.transform.parent.gameObject;
if (PrefabUtility.GetCorrespondingObjectFromOriginalSource(parent))
{
continue;
}
}
string objPath = AssetDatabase.GetAssetPath(prefab);
if (objPath.EndsWith("fbx") || objPath.EndsWith("FBX") || objPath.EndsWith("obj"))
{
Debug.LogError(go.name + " 没有保存成预制物");
continue;
}
if (go.name.Contains("mojiazhuang_build_jishi_06"))
{
Debug.Log(go.transform.position);
}
int id = index++;
if (go.transform.parent && go.transform.parent.name.StartsWith("grass"))
{
if (!grassDic.ContainsKey(objPath))
{
grassDic[objPath] = new List <GameObject>();
}
grassDic[objPath].Add(go);
}
else
{
Record(go, holder, objPath, id);
};
}
}
RecordGrass(grassDic, holder);
holder.SceneName = sceneName;
string sceneElementPath = Path.Combine(SceneElementAssetPath, $"{sceneName}");
if (!Directory.Exists(sceneElementPath))
{
Directory.CreateDirectory(sceneElementPath);
}
AssetDatabase.CreateAsset(holder, Path.Combine(sceneElementPath, $"{sceneName}.asset"));
AssetDatabase.Refresh();
}
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);
}
}
