/*=============================================================================
 VariableLimitation.js
----------------------------------------------------------------------------
 (C)2021 Triacontane
 This software is released under the MIT License.
 http://opensource.org/licenses/mit-license.php
----------------------------------------------------------------------------
 Version
 1.0.0 2021/12/31 初版
----------------------------------------------------------------------------
 [Blog]   : https://triacontane.blogspot.jp/
 [Twitter]: https://twitter.com/triacontane/
 [GitHub] : https://github.com/triacontane/
=============================================================================*/
/*:
@plugindesc Variable Limit Settings Plugin
@author Triacontane
@url https://triacontane.blogspot.com/
@license MIT License

@help
English Help Translator: munokura
This is an unofficial English translation of the plugin help,
created to support global RPG Maker users.
Feedback is welcome to improve translation quality
(see: https://github.com/munokura/triacontane-MV-plugins ).
Original plugin by Triacontane.
Please check the latest official version at:
https://triacontane.blogspot.com
-----
You can set limit values (minimum and maximum values) for variables.
Specifying these will prevent the variable value from being set to a value
less than the minimum or greater than the maximum.

This plugin does not have any plugin commands.

Terms of Use:
You may modify and redistribute this plugin without permission from the
author, and there are no restrictions on its use (commercial, 18+, etc.).
This plugin is now yours.

@param list
@text Settings List
@desc A list of variables for which you want to set limits. You cannot specify multiple identical variables.
@default []
@type struct<Limitation>[]
*/


/*~struct~Limitation:
@param variableId
@text Variable Number
@desc The number of the variable for which you want to set the minimum and maximum values.
@default 1
@type variable

@param min
@text Minimum
@desc This is the minimum value.
@default 0
@type number
@min -9999999999

@param max
@text Maximum
@desc This is the maximum value.
@default 0
@type number
@min -9999999999
*/


/*:ja
@plugindesc 変数の限界値設定プラグイン
@author トリアコンタン

@help

変数に限界値（最小値と最大値）を設定できます。
指定すると変数値が、最小値より小さい値あるいは最大値より大きい値に
設定されなくなります。

このプラグインにはプラグインコマンドはありません。

利用規約：
 作者に無断で改変、再配布が可能で、利用形態（商用、18禁利用等）
 についても制限はありません。
 このプラグインはもうあなたのものです。

@param list
@text 設定リスト
@desc 限界値を設定したい変数の一覧です。同一の変数を複数指定することはできません。
@default []
@type struct<Limitation>[]
*/


/*~struct~Limitation:ja
@param variableId
@text 変数番号
@desc 最小値、最大値を設定したい変数の番号です。
@default 1
@type variable

@param min
@text 最小値
@desc 最小値です。
@default 0
@type number
@min -9999999999

@param max
@text 最大値
@desc 最大値です。
@default 0
@type number
@min -9999999999
*/

(function () {
    'use strict';

    /**
     * Create plugin parameter. param[paramName] ex. param.commandPrefix
     * @param pluginName plugin name(EncounterSwitchConditions)
     * @returns {Object} Created parameter
     */
    var createPluginParameter = function (pluginName) {
        var paramReplacer = function (key, value) {
            if (value === 'null') {
                return value;
            }
            if (value[0] === '"' && value[value.length - 1] === '"') {
                return value;
            }
            try {
                return JSON.parse(value);
            } catch (e) {
                return value;
            }
        };
        var parameter = JSON.parse(JSON.stringify(PluginManager.parameters(pluginName), paramReplacer));
        PluginManager.setParameters(pluginName, parameter);
        return parameter;
    };
    var param = createPluginParameter('VariableLimitation');
    if (!Array.isArray(param.list)) {
        console.warn('Parameter invalid by VariableLimitation');
        return;
    }
    var variableMap = new Map();
    param.list.forEach(function (item) {
        variableMap.set(item.variableId, item);
    });

    var _DataManager_createGameObjects = DataManager.createGameObjects;
    DataManager.createGameObjects = function () {
        _DataManager_createGameObjects.apply(this, arguments);
        $gameVariables.applyLimitations();
    };

    var _DataManager_extractSaveContents = DataManager.extractSaveContents;
    DataManager.extractSaveContents = function (contents) {
        _DataManager_extractSaveContents.apply(this, arguments);
        $gameVariables.applyLimitations();
    };

    Game_Variables.prototype.applyLimitations = function () {
        param.list.forEach(function (item) {
            this.setValue(item.variableId, this.value(item.variableId));
        }, this);
    };

    var _Game_Variables_setValue = Game_Variables.prototype.setValue;
    Game_Variables.prototype.setValue = function (variableId, value) {
        if (variableMap.has(variableId) && !isNaN(value)) {
            var item = variableMap.get(variableId);
            arguments[1] = value.clamp(item.min, item.max);
        }
        _Game_Variables_setValue.apply(this, arguments);
    };
})();