walkmc.Plugin.kt Maven / Gradle / Ivy

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package walkmc

import kotlinx.coroutines.*
import kotlinx.serialization.*
import org.bukkit.entity.*
import org.bukkit.event.*
import org.bukkit.plugin.java.*
import org.bukkit.plugin.messaging.*
import walkmc.annotation.*
import walkmc.serializer.*
import kotlin.coroutines.*
import java.util.*

/**
 * Represents an extendable [JavaPlugin].
 *
 * [Plugin] have built-in support for:
 * * [CoroutineScope]
 * * [Listener]
 * * [PluginMessageListener]
 * * [ResourceLoader]
 */
abstract class Plugin : JavaPlugin(), CoroutineScope, Listener, PluginMessageListener, ResourceLoader {
	override val coroutineContext: CoroutineContext = EmptyCoroutineContext
	
	/**
	 * All registered resources from this loader.
	 */
	override val resources: MutableList> = LinkedList()
	
	/**
	 * Execution when this plugin is loading.
	 */
	open fun load() = Unit
	
	/**
	 * Execution when this plugin starts.
	 */
	open fun start() = Unit
	
	/**
	 * Execution when this plugin disables.
	 */
	open fun disable() = Unit
	
	override fun onLoad() {
		updateResources()
		load()
		triggerResource(Load.LOAD)
	}
	
	override fun onEnable() {
		start()
		triggerResource(Load.ENABLE)
	}
	
	override fun onDisable() {
		disable()
		triggerResource(Load.DISABLE)
		runCatching {
			cancel()
		}
	}
	
	/**
	 * Gets a raw list of all registered resources processed by the resource processor.
	 */
	override fun getRawResources(): List {
		val raw = getResource("resources.json")?.reader()?.buffered().use { it?.readText() }
		return if (raw.isNullOrBlank()) emptyList() else Json.decodeFromString(raw)
	}
	
	override fun onPluginMessageReceived(channel: String, player: Player, message: ByteArray) = Unit
}