Reimplemented MissingDependencyException

eco-core/core-plugin/src/main/kotlin/com/willfp/ecoenchants/enchant/EcoEnchants.kt

@@ -44,6 +44,7 @@ object EcoEnchants : RegistrableCategory<EcoEnchant>("enchant", "enchants") {
     override fun afterReload(plugin: LibreforgePlugin) {
         plugin as EcoEnchantsPlugin
 
+        sendPrompts(plugin)
         registerHardcodedEnchantments(plugin)
     }
 
@@ -54,13 +55,17 @@ object EcoEnchants : RegistrableCategory<EcoEnchant>("enchant", "enchants") {
             return
         }
 
-        val enchant = LibreforgeEcoEnchant(
-            id,
-            config,
-            plugin
-        )
+        try {
+            val enchant = LibreforgeEcoEnchant(
+                id,
+                config,
+                plugin
+            )
 
-        doRegister(plugin, enchant)
+            doRegister(plugin, enchant)
+        } catch (e: MissingDependencyException) {
+            addPluginPrompt(plugin, e.plugins)
+        }
     }
 
     private fun doRegister(plugin: EcoEnchantsPlugin, enchant: EcoEnchant) {

eco-core/core-plugin/src/main/kotlin/com/willfp/ecoenchants/enchant/MissingDependencyException.kt

@@ -0,0 +1,34 @@
+package com.willfp.ecoenchants.enchant
+
+import com.willfp.eco.core.EcoPlugin
+import com.willfp.ecoenchants.EcoEnchantsPlugin
+
+class MissingDependencyException(
+    val plugins: Set<String>
+) : Exception() {
+    override val message = "Missing the following plugins: ${plugins.joinToString(", ")}"
+}
+
+// Plugin names mapped to enchants that aren't installed.
+private val prompts = mutableMapOf<String, Int>()
+
+fun addPluginPrompt(plugin: EcoEnchantsPlugin, plugins: Set<String>) {
+    if (!plugin.isLoaded) {
+        return
+    }
+
+    for (pluginName in plugins) {
+        prompts[pluginName] = prompts.getOrDefault(pluginName, 0) + 1
+    }
+}
+
+fun sendPrompts(plugin: EcoPlugin) {
+    for ((pl, amount) in prompts) {
+        plugin.logger.apply {
+            warning("$amount enchantments were not loaded because they need $pl to be installed!")
+            warning("Either download $pl or delete the folder at /plugins/EcoEnchants/enchants/${pl.lowercase()} to remove this message")
+        }
+    }
+
+    prompts.clear()
+}

eco-core/core-plugin/src/main/kotlin/com/willfp/ecoenchants/enchant/impl/LibreforgeEcoEnchant.kt

@@ -1,12 +1,15 @@
 package com.willfp.ecoenchants.enchant.impl
 
 import com.willfp.eco.core.config.interfaces.Config
+import com.willfp.eco.util.containsIgnoreCase
 import com.willfp.ecoenchants.EcoEnchantsPlugin
 import com.willfp.ecoenchants.enchant.EcoEnchantLevel
+import com.willfp.ecoenchants.enchant.MissingDependencyException
 import com.willfp.libreforge.BlankHolder.conditions
 import com.willfp.libreforge.BlankHolder.effects
 import com.willfp.libreforge.SilentViolationContext
 import com.willfp.libreforge.effects.Effects
+import org.bukkit.Bukkit
 
 class LibreforgeEcoEnchant(
     id: String,
@@ -21,4 +24,18 @@ class LibreforgeEcoEnchant(
     override fun createLevel(level: Int): EcoEnchantLevel {
         return EcoEnchantLevel(this, level, effects, conditions, plugin)
     }
+
+    init {
+        val missingPlugins = mutableSetOf<String>()
+
+        for (dependency in config.getStrings("dependencies")) {
+            if (!Bukkit.getPluginManager().plugins.map { it.name }.containsIgnoreCase(dependency)) {
+                missingPlugins += dependency
+            }
+        }
+
+        if (missingPlugins.isNotEmpty()) {
+            throw MissingDependencyException(missingPlugins)
+        }
+    }
 }