// 将ZonePolygon的Mesh存储为asset文件
public static void SaveMeshAsset(ZonePolygon zonePolygon)
{
if (!zonePolygon || !zonePolygon.Mesh)
{
return;
}
if (!Directory.Exists("Assets/ZonePolygon"))
{
Directory.CreateDirectory("Assets/ZonePolygon");
}
string filePath = AssetDatabase.GetAssetPath(zonePolygon.Mesh);
bool isFile = !string.IsNullOrEmpty(filePath);
// 不是文件资源 或 强制创建新文件
if (!isFile)
{
int tempId = 0;
while (string.IsNullOrEmpty(filePath))
{
string name = "Assets/ZonePolygon/ZonePolygon_" + tempId.ToString("D4") + ".asset";
if (!File.Exists(name))
{
filePath = name;
}
else
{
tempId += 1;
}
}
}
if (isFile)
{
AssetDatabase.SaveAssets();
}
else
{
AssetDatabase.CreateAsset(zonePolygon.Mesh, filePath);
}
// 同步Mesh引用
MeshCollider collider = zonePolygon.GetComponent <MeshCollider>();
if (collider)
{
collider.sharedMesh = zonePolygon.Mesh;
}
MeshFilter meshFilter = zonePolygon.GetComponent <MeshFilter>();
if (meshFilter)
{
meshFilter.sharedMesh = meshFilter.sharedMesh;
}
}
void OnSceneGUI()
{
bool meshDirty = false;
ZonePolygon zonePolygon = target as ZonePolygon;
Transform Transform = zonePolygon.transform;
// 画线 & 轴
Handles.color = Color.green;
if (EnableVertEdit && zonePolygon.Verts.Count >= 3)
{
for (int i = 0; i < zonePolygon.Verts.Count; i++)
{
Vector3 node = zonePolygon.Verts[i];
Vector3 nextNode = zonePolygon.Verts[(i + 1) % zonePolygon.Verts.Count];
Vector3 beginPos = Transform.TransformPoint(node);
Vector3 endPos = Transform.TransformPoint(nextNode);
Handles.DrawLine(beginPos, endPos);
Handles.Label(beginPos, new GUIContent((i + 1).ToString()));
// 更新位置
Vector3 newPos = Handles.PositionHandle(Transform.TransformPoint(node), Quaternion.identity);
if (node != newPos)
{
meshDirty = true;
}
node = Transform.InverseTransformPoint(newPos);
node.y = 0;
zonePolygon.Verts[i] = node;
}
}
if (meshDirty)
{
zonePolygon.RegenerateMesh();
}
if (GUI.changed)
{
EditorUtility.SetDirty(target);
}
}
void OnGUI()
{
if (!initialized)
{
Initialize();
}
if (GUILayout.Button("创建新区域"))
{
Object prefab = Resources.LoadAssetAtPath <Object>("Assets/EditorPrefab/CameraSwitch.prefab");
if (prefab)
{
GameObject instance = GameObject.Instantiate(prefab) as GameObject;
instance.transform.position = Vector3.zero;
ZonePolygon zonePoly = instance.GetComponent <ZonePolygon>();
zonePoly.CreateBasePoly();
}
else
{
EditorUtility.DisplayDialog("创建失败 - 找不到Prefab", "Assets/EditorPrefab/CameraSwitch.prefab", "确定");
}
}
}
public override void OnInspectorGUI()
{
ZonePolygon zonePoly = target as ZonePolygon;
GUILayout.Label("编辑 - 触发区");
EditorGUILayout.Separator();
float oldHeight = zonePoly.Height;
base.DrawDefaultInspector();
bool meshDirty = false;
if (oldHeight != zonePoly.Height)
{
meshDirty = true;
}
if (!zonePoly)
{
return;
}
MeshFilter meshFilter = zonePoly.GetComponent <MeshFilter>();
bool enableVertEdit = EditorGUILayout.Toggle("开启场景点编辑", EnableVertEdit);
if (enableVertEdit != EnableVertEdit)
{
EnableVertEdit = enableVertEdit;
EditorUtility.SetDirty(target);
}
for (int i = 0; i < zonePoly.Verts.Count; i++)
{
EditorGUILayout.BeginHorizontal(new GUILayoutOption[] {});
Vector3 node = zonePoly.Verts[i];
Vector3 newPos = EditorGUILayout.Vector3Field("位置", node);
if (newPos != node)
{
node = newPos;
zonePoly.Verts[i] = node;
meshDirty = true;
}
if (GUILayout.Button(new GUIContent("删")))
{
if (zonePoly.Verts.Count > 3)
{
zonePoly.Verts.RemoveAt(i);
i--;
meshDirty = true;
}
}
if (GUILayout.Button(new GUIContent("加")))
{
int zonePolyVertCnt = zonePoly.Verts.Count;
Vector3 pos = (zonePoly.Verts[(i) % zonePolyVertCnt] + zonePoly.Verts[(i + 1) % zonePolyVertCnt]) * 0.5f;
zonePoly.Verts.Insert((i + 1) % zonePolyVertCnt, pos);
meshDirty = true;
}
if (GUILayout.Button(new GUIContent("上")))
{
int lastId = (i - 1 + zonePoly.Verts.Count) % zonePoly.Verts.Count;
Vector3 temp = zonePoly.Verts[i];
zonePoly.Verts[i] = zonePoly.Verts[lastId];
zonePoly.Verts[lastId] = temp;
meshDirty = true;
}
if (GUILayout.Button(new GUIContent("下")))
{
int nextId = (i + 1 + zonePoly.Verts.Count) % zonePoly.Verts.Count;
Vector3 temp = zonePoly.Verts[i];
zonePoly.Verts[i] = zonePoly.Verts[nextId];
zonePoly.Verts[nextId] = temp;
meshDirty = true;
}
EditorGUILayout.EndHorizontal();
}
if (GUILayout.Button(new GUIContent("添加点")))
{
int zonePolyVertCnt = zonePoly.Verts.Count;
Vector3 pos = (zonePoly.Verts[(zonePolyVertCnt - 1) % zonePolyVertCnt] + zonePoly.Verts[0]) * 0.5f;
zonePoly.Verts.Insert(zonePoly.Verts.Count, pos);
meshDirty = true;
}
if (GUILayout.Button("刷新Mesh"))
{
meshDirty = true;
}
EditorGUILayout.Separator();
if (GUILayout.Button("翻转顶点"))
{
zonePoly.Verts.Reverse();
meshDirty = true;
}
if (GUILayout.Button("重置为基本体"))
{
zonePoly.CreateBasePoly();
}
if (meshDirty)
{
zonePoly.RegenerateMesh();
}
if (GUILayout.Button("保存Mesh到文件"))
{
SaveMeshAsset(zonePoly);
}
}
// 将ZonePolygon的Mesh存储为asset文件
public static void SaveMeshAsset(ZonePolygon zonePolygon)
{
if(!zonePolygon || !zonePolygon.Mesh)
return;
if(!Directory.Exists("Assets/ZonePolygon"))
Directory.CreateDirectory("Assets/ZonePolygon");
string filePath = AssetDatabase.GetAssetPath(zonePolygon.Mesh);
bool isFile = !string.IsNullOrEmpty(filePath);
// 不是文件资源 或 强制创建新文件
if(!isFile)
{
int tempId = 0;
while(string.IsNullOrEmpty(filePath))
{
string name = "Assets/ZonePolygon/ZonePolygon_" + tempId.ToString("D4") + ".asset";
if(!File.Exists(name))
filePath = name;
else
tempId += 1;
}
}
if(isFile)
AssetDatabase.SaveAssets();
else
AssetDatabase.CreateAsset(zonePolygon.Mesh, filePath);
// 同步Mesh引用
MeshCollider collider = zonePolygon.GetComponent<MeshCollider>();
if(collider)
collider.sharedMesh = zonePolygon.Mesh;
MeshFilter meshFilter = zonePolygon.GetComponent<MeshFilter>();
if(meshFilter)
meshFilter.sharedMesh = meshFilter.sharedMesh;
}
