public void CreateXML(Terrain terrain)
{
XMLComFunction cf = new XMLComFunction();
string path = cf.GetXMLPath(terrain);
TerrainData terrainData = terrain.terrainData;
TreePrototype[] treePrototypes = terrainData.treePrototypes;
int treeInstCount = terrainData.treeInstanceCount;
if (!File.Exists(path))
{
// 创建xml文档实例
XmlDocument xmlDoc = new XmlDocument();
// 创建根节点
XmlElement root = xmlDoc.CreateElement("trees");
root.SetAttribute("name", path);
for (int i = 0; i < treeInstCount; ++i)
{
TreeInstance treeInst = terrainData.GetTreeInstance(i);
int protoIndex = treeInst.prototypeIndex;
TreePrototype treePt = treePrototypes[protoIndex];
GameObject treeSpm = treePt.prefab;
//Prefab type
string treepath = AssetDatabase.GetAssetPath(treeSpm);
//Prefab transform
float scale = treeSpm.transform.localScale.x;
scale *= treeInst.heightScale;
Vector3 pos = Vector3.Scale(treeInst.position, terrainData.size);
Vector3 rot = (Quaternion.AngleAxis(treeInst.rotation * Mathf.Rad2Deg, Vector3.up)).eulerAngles;
Vector3 sca = new Vector3(scale, scale, scale);
// 创建transform子节点
XmlElement transNode = xmlDoc.CreateElement("tree");
transNode.SetAttribute("path", treepath);
XmlElement posElement = CreateTransformElement("position", pos, xmlDoc);
XmlElement rotElement = CreateTransformElement("rotation", rot, xmlDoc);
XmlElement scaElement = CreateTransformElement("localscale", sca, xmlDoc);
transNode.AppendChild(posElement);
transNode.AppendChild(rotElement);
transNode.AppendChild(scaElement);
root.AppendChild(transNode);
}
xmlDoc.AppendChild(root);
xmlDoc.Save(path);
}
}
public void ReadXML(Terrain terrain)
{
XMLComFunction cf = new XMLComFunction();
string path = cf.GetXMLPath(terrain);
// 判断文件不存在返回
while (!File.Exists(path))
{
bool checkfile = EditorUtility.DisplayDialog("没有找到对应XML数据",
"是否需要自己查找XML数据文件按", "查找", "放弃");
if (checkfile)
{
path = EditorUtility.OpenFilePanel("查找XML文件", "", "xml");
}
else
{
return;
}
}
// 新建 XML 实例
XmlDocument xmlDoc = new XmlDocument();
xmlDoc.Load(path);
// 获取一级节点 user
XmlNode root = xmlDoc.SelectSingleNode("Root");
// 获取一级节点下的所有二级节点
XmlNodeList tranList = root.ChildNodes;
// 遍历所有的二级节点
for (int i = 0; i < tranList.Count; ++i)
{
XmlNode _node = tranList[i];
TreeInstance treeIn = new TreeInstance();
treeIn.position = GetTranValue("position", _node);
//treeIn.rotation = Quaternion.Euler( GetTranValue("rotation", _node));
if (_node.Name == "rotation")
{
}
if (_node.Name == "localscale")
{
}
}
}