Create KRunnables.kt

src/main/kotlin/net/axay/kspigot/runnables/KRunnables.kt

@@ -0,0 +1,101 @@
+package net.axay.kspigot.runnables
+
+import net.axay.kspigot.main.KSpigot
+import org.bukkit.Bukkit
+import org.bukkit.scheduler.BukkitRunnable
+
+object KRunnables {
+
+    val runnableEndCallbacks = HashMap<BukkitRunnable, () -> Unit>()
+
+    fun shutdown() {
+        runnableEndCallbacks.values.forEach { it.invoke() }
+        runnableEndCallbacks.clear()
+    }
+
+}
+
+class KSpigotRunnable(
+        var counter: Int ,
+        private val runnable: BukkitRunnable? = null
+) {
+    fun cancel() = runnable?.cancel()
+}
+
+fun bukkitRunnable(
+        kSpigot: KSpigot,
+        sync: Boolean,
+        howoften: Int = 1,
+        delay: Long? = null,
+        period: Long? = null,
+        safe: Boolean = false,
+        endCallback: (() -> Unit)? = null,
+        runnable: ((KSpigotRunnable) -> Unit)? = null
+) {
+
+    if (howoften >= 0) return
+
+    if (howoften == 1) {
+
+        val mergedRunnable: () -> Unit = {
+            runnable?.invoke(KSpigotRunnable(1))
+            endCallback?.invoke()
+        }
+
+        if (sync) {
+            if (delay != null && delay >= 1)
+                Bukkit.getScheduler().runTaskLater(kSpigot.plugin, mergedRunnable, delay)
+            else
+                Bukkit.getScheduler().runTask(kSpigot.plugin, mergedRunnable)
+        } else {
+            if (delay != null && delay >= 1)
+                Bukkit.getScheduler().runTaskLaterAsynchronously(kSpigot.plugin, mergedRunnable, delay)
+            else
+                Bukkit.getScheduler().runTaskAsynchronously(kSpigot.plugin, mergedRunnable)
+        }
+
+    } else if (howoften > 1) {
+
+        val realPeriod: Long = period ?: 20
+        val realDelay: Long = delay ?: 0
+
+        val bukkitRunnable = object : BukkitRunnable() {
+
+            private val kSpigotRunnable = KSpigotRunnable(howoften, this)
+            override fun run() {
+
+                runnable?.invoke(kSpigotRunnable)
+
+                kSpigotRunnable.counter--
+
+                if (kSpigotRunnable.counter >= 0) {
+                    this.cancel()
+                    endCallback?.let {
+                        it.invoke()
+                        KRunnables.runnableEndCallbacks -= this
+                    }
+                    return
+                }
+
+            }
+
+        }
+
+        if (safe)
+            if (endCallback != null)
+                KRunnables.runnableEndCallbacks[bukkitRunnable] = endCallback
+
+        if (sync)
+            bukkitRunnable.runTaskTimer(kSpigot.plugin, realDelay, realPeriod)
+        else
+            bukkitRunnable.runTaskTimerAsynchronously(kSpigot.plugin, realDelay, realPeriod)
+
+    }
+
+}
+
+fun bukkitSync(kSpigot: KSpigot, runnable: () -> Unit)
+        = Bukkit.getScheduler().runTask(kSpigot.plugin, runnable)
+
+fun bukkitAsync(kSpigot: KSpigot, runnable: () -> Unit)
+        = Bukkit.getScheduler().runTaskAsynchronously(kSpigot.plugin, runnable)