359 lines
13 KiB
JavaScript
359 lines
13 KiB
JavaScript
//=============================================================================
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// NRP_EscapeRatio.js
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//=============================================================================
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/*:
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* @target MV MZ
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* @plugindesc v1.00 Change the success rate of escape.
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* @author Takeshi Sunagawa (https://newrpg.seesaa.net/)
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* @orderAfter NRP_CountTimeBattle
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* @url https://newrpg.seesaa.net/article/500211133.html
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*
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* @help Change the formula for calculating the escape success rate.
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*
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* - Calculation can be changed to luck or level calculation
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* - Minimum escape rate can be set.
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* - Can be changed to compensate for unsuccessful escape attempts
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* - Able to set traits that make escape more likely to succeed.
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*
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* -------------------------------------------------------------------
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* [Default Formula]
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* -------------------------------------------------------------------
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* The assumption is that
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* RPG Maker MZ has the following success rates for escapes.
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*
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* Rate = (0.5 * $gameParty.agility()) / $gameTroop.agility()
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*
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* It means
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* (0.5 * average of actor agility) / average of enemy agility.
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*
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* For example
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*
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* - If the actor's agility is equal to the enemy's agility,
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* the probability is 50%.
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* - If the actor's agility is twice the enemy's agility,
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* the probability is 100%.
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*
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* In addition, the success rate is increased by +10%
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* for each failed escape attempt.
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*
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* -------------------------------------------------------------------
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* [Change Formula]
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* -------------------------------------------------------------------
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* Change the plugin parameter
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* "EscapeFormula" with reference to the above.
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*
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* The plugin's functionality also allows
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* the following parameters to be used in the calculation
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*
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* $gameParty.luck() | $gameTroop.luck() : Average of luck
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* $gameParty.level() | $gameTroop.level() : Average of Level
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* $gameParty.maxAgility() | $gameTroop.maxAgility() : Max of agility
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* $gameParty.maxLuck() | $gameTroop.maxLuck() : Max of luck
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* $gameParty.maxLevel() | $gameTroop.maxLevel() : Max of Level
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*
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* Only agility, luck and level are supported.
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* Enemy levels do not exist by default
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* and must be set by an external plugin.
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*
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* -------------------------------------------------------------------
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* [Note (actor, class, equipment, state, and skill)]
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* -------------------------------------------------------------------
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* You can create a trait that increases your escape success rate
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* by filling in the following.
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* For skills, the effect occurs only when they are learned.
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*
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* <EscapeBonus:0.1>
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* The escape success rate is increased by 10%.
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* Note that the effect is duplicated.
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*
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* -------------------------------------------------------------------
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* [Terms]
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* -------------------------------------------------------------------
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* There are no restrictions.
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* Modification, redistribution freedom, commercial availability,
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* and rights indication are also optional.
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* The author is not responsible,
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* but will deal with defects to the extent possible.
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*
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* @-----------------------------------------------------
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* @ [Plugin Parameters]
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* @-----------------------------------------------------
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*
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* @param EscapeFormula
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* @type string
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* @default (0.5 * $gameParty.agility()) / $gameTroop.agility()
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* @desc Formula for determining the escape rate. Default: (0.5 * average of actor agility) / average of enemy agility
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*
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* @param EscapeFailBonus
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* @type number
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* @decimals 2
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* @default 0.1
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* @desc Upon an failed escape, the following success rates are added. The initial value is 0.1 (10%).
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*
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* @param EscapeMinRate
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* @type number
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* @decimals 2
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* @desc This is the minimum guaranteed escape rate.
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*
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* @param LimitAlive
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* @type boolean
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* @default false
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* @desc Limit the calculation of the escape rate to the survivor's ability to escape only.
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*/
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/*:ja
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* @target MV MZ
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* @plugindesc v1.00 逃走成功率を変更する。
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* @author 砂川赳（https://newrpg.seesaa.net/）
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* @orderAfter NRP_CountTimeBattle
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* @url https://newrpg.seesaa.net/article/500211133.html
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*
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* @help 逃走成功率の計算式を変更します。
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*
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* ・運やレベルでの計算に変更可能
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* ・最低逃走率を設定可能
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* ・逃走失敗時の補正を変更可能
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* ・逃走に成功しやすくなる特徴を設定可能
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*
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* -------------------------------------------------------------------
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* ■既定の計算式
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* -------------------------------------------------------------------
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* 前提として、ツクールＭＺの逃走成功率は以下の通りです。
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*
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* 逃走成功率 = (0.5 * $gameParty.agility()) / $gameTroop.agility()
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*
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* 意味は『(0.5 * 味方の敏捷性の平均値) / 敵の敏捷性の平均値』となります。
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*
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* 例えば、以下のようになります。
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*
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* ・味方の敏捷性と敵の敏捷性が等しい場合は確率５０％。
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* ・味方の敏捷性が敵の敏捷性のニ倍の場合は確率１００％。
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*
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* さらに逃走に失敗する度に成功率が＋１０％されます。
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*
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* -------------------------------------------------------------------
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* ■計算式の変更
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* -------------------------------------------------------------------
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* 上記を参考にプラグインパラメータの『逃走計算式』を変更してください。
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*
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* また、当プラグインの機能により、以下のパラメータを計算に使用できます。
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*
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* $gameParty.luck() | $gameTroop.luck()：運の平均値
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* $gameParty.level() | $gameTroop.level()：レベルの平均値
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* $gameParty.maxAgility() | $gameTroop.maxAgility()：敏捷性の最大値
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* $gameParty.maxLuck() | $gameTroop.maxLuck()：運の最大値
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* $gameParty.maxLevel() | $gameTroop.maxLevel()：レベルの最大値
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*
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* 対応しているのは敏捷性と運とレベルだけです。
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* 敵のレベルは標準では存在しないため、外部プラグインで設定してください。
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*
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* -------------------------------------------------------------------
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* ■アクター、職業、装備、ステート、スキルのメモ欄
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* -------------------------------------------------------------------
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* 以下を記入すれば、逃走成功率が上昇する特徴を作成できます。
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* スキルについては、習得しているだけで効果が発生します。
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*
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* <EscapeBonus:0.1>
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* 逃走成功率が10%上昇します。
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* なお、効果は重複します。
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*
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* -------------------------------------------------------------------
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* ■利用規約
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* -------------------------------------------------------------------
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* 特に制約はありません。
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* 改変、再配布自由、商用可、権利表示も任意です。
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* 作者は責任を負いませんが、不具合については可能な範囲で対応します。
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*
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* @-----------------------------------------------------
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* @ プラグインパラメータ
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* @-----------------------------------------------------
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*
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* @param EscapeFormula
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* @text 逃走計算式
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* @type string
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* @default (0.5 * $gameParty.agility()) / $gameTroop.agility()
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* @desc 逃走率を決める計算式です。
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* 既定値：(0.5 * 味方の敏捷性の平均) / 敵の敏捷性の平均
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*
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* @param EscapeFailBonus
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* @text 逃走失敗時のボーナス
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* @type number
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* @decimals 2
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* @default 0.1
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* @desc 逃走失敗時、次の成功率が指定数値分だけ上昇します。
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* 初期値は0.1（10%）です。
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*
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* @param EscapeMinRate
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* @text 最低逃走率
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* @type number
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* @decimals 2
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* @desc 最低限保証される逃走率です。
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*
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* @param LimitAlive
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* @text 生存者に限定
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* @type boolean
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* @default false
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* @desc 逃走率の計算を生存者の能力だけに限定します。
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* なお、先制＆奇襲率の計算も生存者が対象になります。
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*
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*/
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(function() {
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"use strict";
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function toNumber(str, def) {
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if (str == undefined || str == "") {
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return def;
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}
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return isNaN(str) ? def : +(str || def);
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}
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function toBoolean(str, def) {
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if (str === true || str === "true") {
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return true;
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} else if (str === false || str === "false") {
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return false;
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}
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return def;
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}
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function setDefault(str, def) {
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if (str == undefined || str == "") {
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return def;
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}
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return str;
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}
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const PLUGIN_NAME = "NRP_EscapeRatio";
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const parameters = PluginManager.parameters(PLUGIN_NAME);
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const pEscapeFormula = setDefault(parameters["EscapeFormula"]);
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const pEscapeFailBonus = toNumber(parameters["EscapeFailBonus"]);
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const pEscapeMinRate = toNumber(parameters["EscapeMinRate"]);
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const pLimitAlive = toBoolean(parameters["LimitAlive"], false);
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// ----------------------------------------------------------------------------
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// BattleManager
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// ----------------------------------------------------------------------------
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const _BattleManager_initMembers = BattleManager.initMembers;
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BattleManager.initMembers = function() {
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_BattleManager_initMembers.apply(this, arguments);
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// 逃走失敗回数
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this._escapeFailureCount = 0;
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};
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/**
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* ●逃走処理
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*/
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const _BattleManager_processEscape = BattleManager.processEscape;
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BattleManager.processEscape = function() {
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// 逃走する度に毎回確率を計算する。
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// ※BattleManager.onEscapeFailureの失敗時補正は消滅する。
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this.makeEscapeRatio();
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const ret = _BattleManager_processEscape.apply(this, arguments);
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// 逃走失敗回数加算
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if (!ret) {
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this._escapeFailureCount++;
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}
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return ret;
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};
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/**
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* 【上書】逃走成功率を計算する。
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*/
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const _BattleManager_makeEscapeRatio = BattleManager.makeEscapeRatio;
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BattleManager.makeEscapeRatio = function() {
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// 計算式を反映
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if (pEscapeFormula) {
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this._escapeRatio = eval(pEscapeFormula);
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} else {
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_BattleManager_makeEscapeRatio.apply(this, arguments);
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}
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// 最低保証
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if (pEscapeMinRate) {
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this._escapeRatio = Math.max(pEscapeMinRate, this._escapeRatio);
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}
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// メモ欄を参照するオブジェクト（特徴系＋スキル）
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for (const member of $gameParty.escapeMembers()) {
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const objects = member.traitObjects().concat(member.skills());
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for (const object of objects) {
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if (object.meta.EscapeBonus) {
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this._escapeRatio += eval(object.meta.EscapeBonus);
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}
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}
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}
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// 逃走失敗時のボーナスを計算
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if (pEscapeFailBonus) {
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this._escapeRatio += this._escapeFailureCount * pEscapeFailBonus;
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}
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};
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// ----------------------------------------------------------------------------
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// Game_Unit
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// ----------------------------------------------------------------------------
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/**
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* 【上書】敏捷性の平均値を求める。
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*/
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Game_Unit.prototype.agility = function() {
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const members = this.escapeMembers();
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const sum = members.reduce((r, member) => r + member.agi, 0);
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return Math.max(1, sum / Math.max(1, members.length));
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};
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/**
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* 【独自】運の平均値を求める。
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*/
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Game_Unit.prototype.luck = function() {
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const members = this.escapeMembers();
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const sum = members.reduce((r, member) => r + member.luk, 0);
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return Math.max(1, sum / Math.max(1, members.length));
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};
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/**
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* 【独自】レベルの平均値を求める。
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*/
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Game_Unit.prototype.level = function() {
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const members = this.escapeMembers();
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const sum = members.reduce((r, member) => r + member.level, 0);
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return Math.max(1, sum / Math.max(1, members.length));
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};
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/**
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* 【独自】敏捷性の最大値を求める。
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*/
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Game_Unit.prototype.maxAgility = function() {
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const member = this.escapeMembers().reduce((a, b) => a.agi > b.agi ? a : b)
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return member.agi;
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};
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/**
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* 【独自】運の最大値を求める。
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*/
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Game_Unit.prototype.maxLuck = function() {
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const member = this.escapeMembers().reduce((a, b) => a.luk > b.luk ? a : b)
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return member.luk;
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};
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/**
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* 【独自】レベルの最大値を求める。
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*/
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Game_Unit.prototype.maxLevel = function() {
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const member = this.escapeMembers().reduce((a, b) => a.level > b.level ? a : b)
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return member.level;
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};
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/**
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* 【独自】逃走率の計算に用いる対象を取得する。
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*/
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Game_Unit.prototype.escapeMembers = function() {
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// 生存者に限定する場合
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if (pLimitAlive) {
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return this.aliveMembers();
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}
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return this.members();
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};
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})();
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