RPG Maker MZ Plugin: Import Prequel Saves

The following reference code is from a website that is not allowed to be linked by itch. You can directly refer to the code

'use strict';

/*

====================================================================================================================

 RoamingSavePath.js

 License: DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE

 Usage: add this lines to your plugins.js:

{"name":"RoamingSavePath","status":true,"description":"Save directory to game save dir instead of www","parameters":{}}

====================================================================================================================

*/

(function () {

if (!StorageManager.isLocalMode() || typeof process === 'undefined' || !process.env || !process.platform) return;

const fs = require('fs');

const path = require('path');

var globalSavePath = null;

const initPlugin = function () {

const defaultDir = process.env.APPDATA ?

"%USERPROFILE%/Saved Games/" + $dataSystem.gameTitle + "/save/" :

(process.platform == "darwin" ? "%HOME%/Library/Preferences/" : "%HOME%/.local/share/");

const params = PluginManager.parameters('RoamingSavePath');

var savePath = ((params['Save Directory'] || defaultDir).trim().replace(/^[/\\\.]+|[/\\\.]+$/g, '') + path.sep).replace(/[/\\]/g, path.sep);

for (var e in process.env) {

savePath = savePath.replace('%' + e + '%', process.env[e]);

}

globalSavePath = savePath;

}

const validateDirTree = function (targetDir) {

if (fs.existsSync(targetDir)) return true;

const parts = targetDir.split(path.sep); 

var currentPath = parts[0]; 

for (var i = 1; i < parts.length; i++) { 

if (!parts[i]) continue;

currentPath +=  path.sep + parts[i]; 

if (!fs.existsSync(currentPath)) { 

try {

fs.mkdirSync(currentPath); 

} catch (e) {

return false;

}

}

}

return true;

}

const oldDMOL = DataManager.onLoad;

DataManager.onLoad = function(object) {

oldDMOL.apply(this, arguments);

if (object === $dataSystem)

initPlugin();

}

StorageManager.localFileDirectoryPath = function() {

return globalSavePath;

};

const oldSTLF = StorageManager.saveToLocalFile;

StorageManager.saveToLocalFile = function() {

//if (!fs.existsSync(globalSavePath))

//fs.mkdirSync(globalSavePath, { recursive: true }); // needs newer nwjs sometimes

if (validateDirTree(globalSavePath))

oldSTLF.apply(this, arguments);

}

})();