Add a mcSyncLaunch extension function

fabrikmc-core/src/main/kotlin/net/axay/fabrik/core/task/CoroutineTask.kt

@@ -2,20 +2,6 @@ package net.axay.fabrik.core.task
 
 import kotlinx.coroutines.*
 
-/**
- * A [CoroutineDispatcher] which executes code synchronously to the
- * MinecraftServer main thread.
- */
-lateinit var mcCoroutineDispatcher: CoroutineDispatcher
-    internal set
-
-/**
- * A [CoroutineScope] using the current MinecraftServer
- * as the Dispatcher.
- */
-lateinit var mcCoroutineScope: CoroutineScope
-    internal set
-
 /**
  * A CoroutineScope using the IO Dispatcher
  * of kotlinx.coroutines.

fabrikmc-core/src/main/kotlin/net/axay/fabrik/core/task/MinecraftSync.kt

@@ -0,0 +1,36 @@
+package net.axay.fabrik.core.task
+
+import kotlinx.coroutines.CoroutineDispatcher
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.launch
+
+/**
+ * A [CoroutineDispatcher] which executes code synchronously to the
+ * MinecraftServer main thread.
+ */
+lateinit var mcCoroutineDispatcher: CoroutineDispatcher
+    internal set
+
+/**
+ * A [CoroutineScope] using the current MinecraftServer
+ * as the Dispatcher.
+ */
+lateinit var mcCoroutineScope: CoroutineScope
+    internal set
+
+/**
+ * Does the same as [launch], but the dispatcher defaults to [mcCoroutineDispatcher].
+ *
+ * This way, you can execute code synchronously (to the MinecraftServer main thread)
+ * very easily.
+ *
+ * ```kotlin
+ *  coroutineScope {
+ *      mcSyncLaunch {
+ *          // suspending and sync now
+ *      }
+ *  }
+ * ```
+ */
+fun CoroutineScope.mcSyncLaunch(block: suspend CoroutineScope.() -> Unit) =
+    launch(mcCoroutineDispatcher, block = block)