Add RoyaleEconomy to prices system

eco-core/core-plugin/src/main/kotlin/com/willfp/eco/internal/spigot/EcoSpigotPlugin.kt

@@ -112,6 +112,7 @@ import com.willfp.eco.internal.spigot.integrations.mcmmo.McmmoIntegrationImpl
 import com.willfp.eco.internal.spigot.integrations.multiverseinventories.MultiverseInventoriesIntegration
 import com.willfp.eco.internal.spigot.integrations.placeholder.PlaceholderIntegrationPAPI
 import com.willfp.eco.internal.spigot.integrations.price.PriceFactoryPlayerPoints
+import com.willfp.eco.internal.spigot.integrations.price.PriceFactoryRoyaleEconomy
 import com.willfp.eco.internal.spigot.integrations.price.PriceFactoryUltraEconomy
 import com.willfp.eco.internal.spigot.integrations.shop.ShopDeluxeSellwands
 import com.willfp.eco.internal.spigot.integrations.shop.ShopEconomyShopGUI
@@ -127,6 +128,7 @@ import com.willfp.eco.internal.spigot.recipes.stackhandlers.ShapedCraftingRecipe
 import com.willfp.eco.internal.spigot.recipes.stackhandlers.ShapelessCraftingRecipeStackHandler
 import com.willfp.eco.util.ClassUtils
 import me.TechsCode.UltraEconomy.UltraEconomy
+import me.qKing12.RoyaleEconomy.MultiCurrency.MultiCurrencyHandler
 import net.kyori.adventure.platform.bukkit.BukkitAudiences
 import net.milkbowl.vault.economy.Economy
 import org.bukkit.Bukkit
@@ -358,6 +360,11 @@ abstract class EcoSpigotPlugin : EcoPlugin() {
                 }
             },
             IntegrationLoader("PlayerPoints") { Prices.registerPriceFactory(PriceFactoryPlayerPoints()) },
+            IntegrationLoader("RoyaleEconomy") {
+                for (currency in MultiCurrencyHandler.getCurrencies()) {
+                    Prices.registerPriceFactory(PriceFactoryRoyaleEconomy(currency))
+                }
+            },
 
             // Placeholder
             IntegrationLoader("PlaceholderAPI") { PlaceholderManager.addIntegration(PlaceholderIntegrationPAPI()) },

eco-core/core-plugin/src/main/kotlin/com/willfp/eco/internal/spigot/integrations/price/PriceFactoryRoyaleEconomy.kt

@@ -0,0 +1,58 @@
+package com.willfp.eco.internal.spigot.integrations.price
+
+import com.willfp.eco.core.placeholder.context.PlaceholderContext
+import com.willfp.eco.core.placeholder.context.PlaceholderContextSupplier
+import com.willfp.eco.core.price.Price
+import com.willfp.eco.core.price.PriceFactory
+import com.willfp.eco.util.toSingletonList
+import me.qKing12.RoyaleEconomy.MultiCurrency.Currency
+import me.qKing12.RoyaleEconomy.MultiCurrency.MultiCurrencyHandler
+import org.bukkit.entity.Player
+import java.util.*
+
+class PriceFactoryRoyaleEconomy(private val currency: Currency) : PriceFactory {
+
+    override fun getNames(): List<String> {
+        return currency.currencyName.lowercase().toSingletonList();
+    }
+
+    override fun create(baseContext: PlaceholderContext, function: PlaceholderContextSupplier<Double>): Price {
+        return PriceRoyaleEconomy(currency, baseContext) { function.get(it) }
+    }
+
+    private class PriceRoyaleEconomy(
+        private val currency: Currency,
+        private val baseContext: PlaceholderContext,
+        private val function: (PlaceholderContext) -> Double
+    ) : Price {
+        private val multipliers = mutableMapOf<UUID, Double>()
+
+        override fun canAfford(player: Player, multiplier: Double): Boolean {
+            return MultiCurrencyHandler
+                .findCurrencyById(currency.currencyId).getAmount(player.uniqueId.toString()) >= getValue(player, multiplier)
+        }
+
+        override fun pay(player: Player, multiplier: Double) {
+            MultiCurrencyHandler.findCurrencyById(currency.currencyId).removeAmount(player.uniqueId.toString(),
+                getValue(player, multiplier))
+        }
+
+        override fun giveTo(player: Player, multiplier: Double) {
+            MultiCurrencyHandler.findCurrencyById(currency.currencyId).addAmount(player.uniqueId.toString(),
+                getValue(player, multiplier))
+        }
+
+        override fun getValue(player: Player, multiplier: Double): Double {
+            return function(baseContext.copyWithPlayer(player)) * getMultiplier(player) * multiplier
+        }
+
+        override fun getMultiplier(player: Player): Double {
+            return multipliers[player.uniqueId] ?: 1.0
+        }
+
+        override fun setMultiplier(player: Player, multiplier: Double) {
+            multipliers[player.uniqueId] = multiplier
+        }
+    }
+
+}

eco-core/core-plugin/src/main/resources/paper-plugin.yml

@@ -196,3 +196,7 @@ dependencies:
   - name: Denizen
     required: false
     bootstrap: false
+
+  - name: RoyaleEconomy
+    required: false
+    bootstrap: false