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1.实现存档列表#xff0c;显示存档截图#xff0c;可以查看之前保存的所有存档
2.点击存档直接加载到场景 首先#xff0c;定义两个类#xff0c;用于声明存档列表和存档所需要的List
[System.Serializable]
public class SaveData
{//存储目标…项目需求为
1.实现存档列表显示存档截图可以查看之前保存的所有存档
2.点击存档直接加载到场景 首先定义两个类用于声明存档列表和存档所需要的List
[System.Serializable]
public class SaveData
{//存储目标物的位置和朝向public ListVector3 targetPosition new ListVector3();public ListQuaternion targetRotation new ListQuaternion();//保存截图public string targetImg;
}[System.Serializable]
public class SaveList
{ //存档列表存储各个存档的地址public Liststring DataPath new Liststring();
}
存储存档列表、存档
//存档
public void TestSave()
{ //取当前时间来做存档的名字string now DateTime.Now.ToString(yyyy-M-d-HH-mm-ss);string path Application.dataPath /StreamingFile/ now;//调用存档方法SaveData saveData CreatSave(path);//利用jsonutility将savedata转为jsonstring saveJson JsonUtility.ToJson(saveData);//将json写入文件//新建StreamWriter写入jsonStreamWriter streamWriter new StreamWriter(path .json);streamWriter.Write(saveJson);//关闭StreamWriterstreamWriter.Close();TestListSave(path);Debug.Log(保存成功);
}/// summary
/// 存储存档列表
/// /summary
/// param namepathname/param
void TestListSave(string pathname)
{SaveList sl new SaveList();string path Application.dataPath /StreamingFile/list.list;//alllist是临时List用于存所有的存档个数alllist.Add(pathname);sl.DataPath alllist;//将所有的存档个数打包保存覆盖式string saveList JsonUtility.ToJson(sl);StreamWriter streamWriter new StreamWriter(path);streamWriter.Write(saveList);streamWriter.Close();
}/// summary
/// 创建Save对象存储当前状态
/// /summary
/// returns/returns
private SaveData CreatSave(string path)
{SaveData saveTest new SaveData();//all是所有的目标物的父物体将位置和旋转存入listfor (int i 0;i all.childCount;i){saveTest.targetPosition.Add(all.GetChild(i).position);saveTest.targetRotation.Add(all.GetChild(i).rotation);}//将存档截图地址保存saveTest.targetImg path;//截图功能CameraCapture(path, main, new Rect(0, 0, Screen.width, Screen.height));return saveTest;
}
截图相关代码 //指定相机指定范围
public static void CameraCapture(string i, Camera camera, Rect rect)
{ string path Path.Combine(i, ${i}.png);int w (int)rect.width;int h (int)rect.height;RenderTexture rt new RenderTexture(w, h, 0);//将相机渲染内容存到指定RenderTexturecamera.targetTexture rt;camera.Render();//激活指定RenderTextureRenderTexture.active rt;//参数4mipchain多级渐远纹理Texture2D t2D new Texture2D(w, h, TextureFormat.ARGB32, true);//防止截黑屏可能会报错//yield return new WaitForEndOfFrame();//把RenderTexture像素读到texture2dt2D.ReadPixels(rect, 0, 0);t2D.Apply();//存成PNGbyte[] bytes t2D.EncodeToPNG();File.WriteAllBytes(path, bytes);//用完重置、销毁camera.targetTexture null;RenderTexture.active null;GameObject.Destroy(rt);
}public static Sprite LoadShot(string i)
{string shotPath Application.dataPath /StreamingFile/Shot;var path Path.Combine(shotPath, ${i}.png);Texture2D t new Texture2D(640, 360);t.LoadImage(GetImgByte(path));return Sprite.Create(t, new Rect(0, 0, t.width, t.height), new Vector2(0.5f, 0.5f));
}static byte[] GetImgByte(string path)
{FileStream s new FileStream(path, FileMode.Open);byte[] imgByte new byte[s.Length];s.Read(imgByte, 0, imgByte.Length);s.Close();return imgByte;
}public static void deleteShot(string i)
{string shotPath Application.dataPath /StreamingFile/Shot;var path Path.Combine(shotPath, ${i}.png);if (File.Exists(path)){File.Delete(path);Debug.Log($删除{i});}
}
读取存档列表和存档
//读档
public void LoadTest(Text text)
{ string filepath Application.dataPath /StreamingFile/ text.text .json;if (File.Exists(filepath)){//创建StreamReader读取jsonStreamReader streamReader new StreamReader(filepath);//将json赋值给stringstring json streamReader.ReadToEnd();//关闭streamReader.Close();//将字符串json转换为savedata对象SaveData saveData JsonUtility.FromJsonSaveData(json);SetLoadSave(saveData);}else{Debug.Log(没有存档);}
}
/// summary
/// 根据列表加载存档处理数据
/// /summary
/// param namepathname/param
void TestListLoad()
{string path Application.dataPath /StreamingFile/list.list;if (File.Exists(path)){//创建StreamReader读取jsonStreamReader streamReader new StreamReader(path);//将json赋值给stringstring json streamReader.ReadToEnd();//关闭streamReader.Close();//将字符串json转换为SaveList对象SaveList saveList JsonUtility.FromJsonSaveList(json);if(saveList ! null){for (int i 0; i saveList.DataPath.Count; i){根据数据显示scroll view下的物体并将数据赋过去var obj list.transform.GetChild(0).GetChild(0).GetChild(i);obj.gameObject.SetActive(true);obj.GetComponentImage().sprite LoadShot(saveList.DataPath[i]);string str saveList.DataPath[i].Split(/)[5];obj.GetChild(2).GetComponentText().text str.Substring(0, 18);//读档时候将之前的列表内容读到临时list暂存alllist.Add(saveList.DataPath[i]);}}}
}/// summary/// 将savedata数据赋值给当前场景/// /summary/// param namesaveData/paramprivate void SetLoadSave( SaveData saveData){if (saveData ! null){for (int i 0; i all.childCount; i){all.GetChild(i).position saveData.targetPosition[i];all.GetChild(i).rotation saveData.targetRotation[i];}}}
项目地址【免费】unity数据持久化json存档与读档资源-CSDN文库
