Item Price Control

じ☆ve冰风 · 发表于 6 天前

Item Price Control v1.4.2
Feldherren

Introduction
RPG Maker MV's control over shops and item prices is a step up from previous entries, as we can now determine item buying price in the shop processing command, but is otherwise missing a few obvious or useful features; notably, item sell price is in a default project always half of the database item value, not the shop value (which prompted me to start writing this thing). This plugin allows you to change various values relating to item buy and sell prices in shops via plugin command.

Features
- Change whether sell price is based on database value or shop value for an item
- Change buy and sell price multipliers
- Explicitly define buy and sell prices for specific items (and undo this, when you want the database or shop price again)
- Set arbitrary categories for items, and apply multipliers to buying or selling price for all items in category

How to Use
No special steps for setting up the plugin; drop it into the plugin folder and select it in RPG Maker MV's plugin manager, same as you would for most other plugins.
Initial settings can be set up as plugin parameters in the plugin manager, but otherwise a number of plugin commands can be used to control the plugin's behaviour during play.

Plugin commands:
SETSELLPRICEDEPENDENCY [shop|database]
Changes whether the sell price is dependent on the shop value, or the
database value, of an item.
SELLINGMULTIPLIER [float]
Changes the sell-price multiplier to the specified float.
CATEGORYSELLINGMULTIPLIER [category] [float]
Changes the sell-price multiplier for the specified category to the
SELLINGMULTIPLIERAFFECTSSETPRICES [true|false]
Sets whether the selling multiplier is applied to explicitly-set prices.
BUYINGMULTIPLIER [float]
Changes the buy-price multiplier to the specified float.
CATEGORYBUYINGMULTIPLIER [category] [float]
Changes the sell-price multiplier for the specified category to the
specified float.
BUYINGMULTIPLIERAFFECTSSETPRICES [true|false]
Sets whether the buying multiplier is applied to explicitly-set prices.
SETSELLPRICE [item|weapon|armor] [id] [price]
Sets the selling price for the item/weapon/armor with the specified ID
to the given price.
UNSETSELLPRICE [item|weapon|armor] [id]
Unsets a defined selling price for the item/weapon/armor with the
specified ID.
SETBUYPRICE [item|weapon|armor] [id] [price]
Sets the buying price for the item/weapon/armor with the specified ID
to the given price.
UNSETBUYPRICE [item|weapon|armor] [id]
Unsets a defined buying price for the item/weapon/armor with the
specified ID.

Script
Spoiler Code:

/*:
* @plugindesc Allows changing item prices mid-game via plugin command.
* @author Feldherren
*
* @param Item Sell Price Dependent on Shop Price
* @desc Sets whether the item sell price in shops is dependent on the shop value, or the database value
* @default shop
*
* @param Item Sell Price Multiplier
* @desc Default multiplier to use when calculating sell price.
* @default 0.5
*
* @param Sell Price Multiplier Affects Explicitly Set Prices
* @desc Whether the sell price multiplier affects explicitly set buy prices; true/false
* @default false
*
* @param Item Buy Price Multiplier
* @desc Default multiplier to use when calculating buy price.
* @default 1.0
*
* @param Buy Price Multiplier Affects Explicitly Set Prices
* @desc Whether the buy price multiplier affects explicitly set sell prices; true/false
* @default false
*
* @help Item Price Control v1.4.2, by Feldherren (rpaliwoda AT googlemail.com)
Changelog:
1.4.2: fixed bug where category sell multipliers weren't being applied; instead
category buy multipliers were applied when trying to sell items.
1.4.1: fixed bug where attempting to sell items would cause an error, and another
issue where attempting to sell items with item price determined by shop
price, when the item was not in the shop, would result in a price of 0
being offered, and a related issue where selling price wasn't properly
calculated for weapons and armour. Also fixed a bug where database buying
price wasn't getting the buying multiplier applied.
1.4.0: can now set categories for items, weapons and armor via notebox tags,
and apply a modifier for entire categories of items
1.3.2: fixed issue where buying price was not changed for an item after
attempting to explicitly change buying price for it
1.3.1: fixed issue where plugin commands referred to an entirely different
script
1.3.0: changed how buying price was being determined, is now displayed properly
in shop item list
1.2.0: can now set item buy price multipler via plugin parameter and command
1.1.0: can now explicitly set item buy and sell prices
1.0.0: initial commit
Allows you to set whether item selling price is calculated based on the
database price, or the shop price; by default RPG Maker MV only has the
selling price dependent on the database price, even if the shop has a
custom price for the item in question.
Allows you to change the sell-price and buy-price multiplier
from game start (as a plugin parameter), and mid-game (via plugin command).
Note:if you change the buying price multiplier, and have selling price
determined by shop price (and not explicitly set for an item), this will
affect selling price. For example, if you have a buying price multiplier
of 1.1, a selling price multiplier of 1.0, and the item price is set to
20, the item will both buy and sell for 22.
Allows you to outright set buy and sell prices (which overrides
the above settings), and unset the same.
Allows you to set categories for items, weapons and armor, and set multipliers
to be applied to all bought or sold items with that category.
Note that all applicable multipliers are applied, not just one. For example,
a general multiplier of 1.1 and a category multiplier of 1.1 effectively
become a total multiplier of 1.21.
Notebox tags:
Items, Weapons and Armor:
<category:name>
<category:name,name>
Assigns a category to the item, weapon or armour. Multiple categories
can be separated via commas.
Plugin commands:
SETSELLPRICEDEPENDENCY [shop|database]
Changes whether the sell price is dependent on the shop value, or the
database value, of an item.
SELLINGMULTIPLIER [float]
Changes the sell-price multiplier to the specified float.
CATEGORYSELLINGMULTIPLIER [category] [float]
Changes the sell-price multiplier for the specified category to the
specified float.
SELLINGMULTIPLIERAFFECTSSETPRICES [true|false]
Sets whether the selling multiplier is applied to explicitly-set prices.
BUYINGMULTIPLIER [float]
Changes the buy-price multiplier to the specified float.
CATEGORYBUYINGMULTIPLIER [category] [float]
Changes the sell-price multiplier for the specified category to the
specified float.
BUYINGMULTIPLIERAFFECTSSETPRICES [true|false]
Sets whether the buying multiplier is applied to explicitly-set prices.
SETSELLPRICE [item|weapon|armor] [id] [price]
Sets the selling price for the item/weapon/armor with the specified ID
to the given price.
UNSETSELLPRICE [item|weapon|armor] [id]
Unsets a defined selling price for the item/weapon/armor with the
specified ID.
SETBUYPRICE [item|weapon|armor] [id] [price]
Sets the buying price for the item/weapon/armor with the specified ID
to the given price.
UNSETBUYPRICE [item|weapon|armor] [id]
Unsets a defined buying price for the item/weapon/armor with the
specified ID.
Free for use with commercial projects, though I'd appreciate being
contacted if you do use it in any games, just to know.
*/
(function(){
var parameters = PluginManager.parameters('FELD_ItemPriceControl');
var shopSellPriceDependentOnShopBuyPrice = (parameters["Item Sell Price Dependent on Shop Price"] == 'shop');
var generalSellMultiplier = parseFloat(parameters["Item Sell Price Multiplier"]);
var generalBuyMultiplier = parseFloat(parameters["Item Buy Price Multiplier"]);
var explicitSellPriceAffectedByMultiplier = (parameters["Sell Price Multiplier Affects Explicitly Set Prices"] == 'true');
var explicitBuyPriceAffectedByMultiplier = (parameters["Buy Price Multiplier Affects Explicitly Set Prices"] == 'true');
var categoryBuyMultipliers = new Object();
var categorySellMultipliers = new Object();
var itemBuyPrices = new Object();
var weaponBuyPrices = new Object();
var armorBuyPrices = new Object();
var itemSellPrices = new Object();
var weaponSellPrices = new Object();
var armorSellPrices = new Object();
var oldPrice = Window_ShopBuy.prototype.price;
Window_ShopBuy.prototype.price = function(item) {
var buyingPrice = oldPrice.call(this, item);
// calculating buyMultiplier
var buyMultiplier = generalBuyMultiplier;
var categories = [];
if (item.meta.category)
{
categories = item.meta.category.split(',');
}
for (i in categories)
{
if (categories[i] in categoryBuyMultipliers)
{
buyMultiplier = buyMultiplier * categoryBuyMultipliers[categories[i]];
}
}
buyingPrice = buyingPrice * buyMultiplier;
if (DataManager.isItem(item)/* && this._item.itypeId === 1*/) // item
{
if (item.id in itemBuyPrices)
{
buyingPrice = itemBuyPrices[item.id];
if (explicitBuyPriceAffectedByMultiplier)
{
buyingPrice = buyingPrice * buyMultiplier;
}
}
}
else if (DataManager.isWeapon(item)) // weapon
{
if (item.id in weaponBuyPrices)
{
buyingPrice = weaponBuyPrices[this._item.id];
if (explicitBuyPriceAffectedByMultiplier)
{
buyingPrice = buyingPrice * buyMultiplier;
}
}
}
else if (DataManager.isArmor(item)) // armor
{
if (item.id in armorBuyPrices)
{
buyingPrice = armorBuyPrices[item.id];
if (explicitBuyPriceAffectedByMultiplier)
{
buyingPrice = buyingPrice * buyMultiplier;
}
}
}
return Math.floor(buyingPrice);
};
// new sellingPrice function
var oldSellingPrice = Scene_Shop.prototype.sellingPrice;
Scene_Shop.prototype.sellingPrice = function() {
// calls the old method.
var sellingPrice = oldSellingPrice.call(this);
// calculating sellMultiplier
var sellMultiplier = generalSellMultiplier;
var categories = [];
console.log(this._item); // good
console.log(this._item.meta.category); // good
if (this._item.meta.category)
{
categories = this._item.meta.category.split(',');
}
console.log(categories);
for (i in categories)
{
console.log(i);
if (categories[i] in categorySellMultipliers)
{
console.log(categorySellMultipliers[categories[i]]);
sellMultiplier = sellMultiplier * categorySellMultipliers[categories[i]];
}
}
console.log(categorySellMultipliers);
console.log(sellMultiplier);
// this._buyWindow._shopGoods is an array of arrays
// each array in the array is an item/weapon/armour in the shop
// index 0 is item type: 0 for item, 1 for weapon, 2 for armour
// index 1 is item ID within the category
var itemType = null;
if (DataManager.isItem(this._item)/* && this._item.itypeId === 1*/) // item
{
itemType = 0;
}
else if (DataManager.isWeapon(this._item)) // weapon
{
itemType = 1;
}
else if (DataManager.isArmor(this._item)) // armor
{
itemType = 2;
}
var itemInShop = false
for (var i in this._buyWindow._shopGoods)
{
if (this._buyWindow._shopGoods[i][0] === itemType)
{
if (this._buyWindow._shopGoods[i][1] === this._item.id)
{
itemInShop = true;
break;
}
}
}
// check that shopSellPriceDependentOnShopBuyPrice is true
if (shopSellPriceDependentOnShopBuyPrice) // dependent on shop value
{
if (itemInShop)
{
// item is in shop, use shop price for calculating sell value
sellingPrice = this._buyWindow.price(this._item) * sellMultiplier;
}
else
{
// item is not in shop, use database price for calculating sell value
sellingPrice = this._item.price * sellMultiplier;
}
}
else // dependent on database value
{
// selling prices are dependent on database value
sellingPrice = this._item.price * sellMultiplier;
}
if (DataManager.isItem(this._item)/* && this._item.itypeId === 1*/) // item
{
if (this._item.id in itemSellPrices)
{
sellingPrice = itemSellPrices[this._item.id];
if (explicitSellPriceAffectedByMultiplier)
{
sellingPrice = sellingPrice * sellMultiplier;
}
}
}
else if (DataManager.isWeapon(this._item)) // weapon
{
if (this._item.id in weaponSellPrices)
{
sellingPrice = weaponSellPrices[this._item.id];
if (explicitSellPriceAffectedByMultiplier)
{
sellingPrice = sellingPrice * sellMultiplier;
}
}
}
else if (DataManager.isArmor(this._item)) // armor
{
if (this._item.id in armorSellPrices)
{
sellingPrice = armorSellPrices[this._item.id];
if (explicitSellPriceAffectedByMultiplier)
{
sellingPrice = sellingPrice * sellMultiplier;
}
}
}
return Math.floor(sellingPrice);
};
var FELD_ItemPriceControl_aliasPluginCommand = Game_Interpreter.prototype.pluginCommand;
Game_Interpreter.prototype.pluginCommand = function(command, args)
{
FELD_ItemPriceControl_aliasPluginCommand.call(this,command,args);
if(command == "SETSELLPRICEDEPENDENCY" && args[0] != null)
{
if (args[0] == 'shop')
{
shopSellPriceDependentOnShopBuyPrice = true;
}
else
{
shopSellPriceDependentOnShopBuyPrice = false;
}
}
else if(command == "SELLINGMULTIPLIER" && args[0] != null)
{
generalSellMultiplier = parseFloat(args[0]);
}
else if(command == "CATEGORYSELLINGMULTIPLIER" && args[0] != null && args[1] != null)
{
categorySellMultipliers[args[0]] = parseFloat(args[1]);
// console.log("selling: ", args[0], args[1]);
// console.log("selling: ", categorySellMultipliers);
}
else if(command == "SELLINGMULTIPLIERAFFECTSSETPRICES" && args[0] != null)
{
if (args[0] == 'true')
{
explicitSellPriceAffectedByMultiplier = true;
}
else
{
explicitSellPriceAffectedByMultiplier = false;
}
}
else if(command == "BUYINGMULTIPLIER" && args[0] != null)
{
generalBuyMultiplier = parseFloat(args[0]);
}
else if(command == "CATEGORYBUYINGMULTIPLIER" && args[0] != null && args[1] != null)
{
categoryBuyMultipliers[args[0]] = parseFloat(args[1]);
// console.log("buying: ", args[0], args[1]);
// console.log("buying: ", categoryBuyMultipliers);
}
else if(command == "BUYINGMULTIPLIERAFFECTSSETPRICES" && args[0] != null)
{
if (args[0] == 'true')
{
explicitBuyPriceAffectedByMultiplier = true;
}
else
{
explicitBuyPriceAffectedByMultiplier = false;
}
}
else if(command == "SETSELLPRICE" && args[0] != null && args[1] != null && args[2] != null)
{
if (args[0] == 'item')
{
itemSellPrices[parseInt(args[1])] = parseInt(args[2]);
}
else if (args[0] == 'weapon')
{
weaponSellPrices[parseInt(args[1])] = parseInt(args[2]);
}
else if (args[0] == 'armor')
{
armorSellPrices[parseInt(args[1])] = parseInt(args[2]);
}
}
else if(command == "SETBUYPRICE" && args[0] != null && args[1] != null && args[2] != null)
{
if (args[0] == 'item')
{
itemBuyPrices[parseInt(args[1])] = parseInt(args[2]);
}
else if (args[0] == 'weapon')
{
weaponBuyPrices[parseInt(args[1])] = parseInt(args[2]);
}
else if (args[0] == 'armor')
{
armorBuyPrices[parseInt(args[1])] = parseInt(args[2]);
}
}
else if(command == "UNSETSELLPRICE" && args[0] != null && args[1] != null)
{
if (args[0] == 'item')
{
delete itemSellPrices[parseInt(args[1])];
}
else if (args[0] == 'weapon')
{
delete weaponSellPrices[parseInt(args[1])];
}
else if (args[0] == 'armor')
{
delete armorSellPrices[parseInt(args[1])];
}
}
else if(command == "UNSETBUYPRICE" && args[0] != null && args[1] != null)
{
if (args[0] == 'item')
{
delete itemBuyPrices[parseInt(args[1])];
}
else if (args[0] == 'weapon')
{
delete weaponBuyPrices[parseInt(args[1])];
}
else if (args[0] == 'armor')
{
delete armorBuyPrices[parseInt(args[1])];
}
}
}
})();

复制代码

FAQ

Q: Are there bugs?
A: Lots! Probably. I am using this for one of my own projects, so I assure you I am working on it, but the rapid rise in version numbers might tell you how thorough I am in testing stuff before marking things as a release. Please let me know if you have any issues.

Q: I have this great idea for a new feature; what should I do?
A: Suggest it. Worst case scenario is I won't implement it. Likely outcome is I'll implement it even if I'm not currently using the thing.

Q: Where can I always get the most up-to-date version of this plugin?
A: Barring Github dying a cold and lonely death, here: https://github.com/Feldherren/mv-item-prices

Credit and Thanks
- Feldherren
- Kinio's EISShopSystem.js helped me locate a few things

Notes
Let me know (either by posting here, or emailing me, anything short of throwing bricks at my windows) if you have any issues with my plugin, if anything doesn't appear to be acting as expected, or if it's outright broken.

本贴来自国际rpgmaker官方论坛作者:Feldherren处,因国际论坛即将永久关站,为了存档多年珍贵资料,署名转载到本论坛存档,由于官方帖子为英文原帖，需要中文翻译请点击论坛顶部切换语言为中文就可以将帖子翻译成中文浏览,方便大家随时查看,原文地址：https://forums.rpgmakerweb.com/threads/item-price-control.85096/

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