sprite updates

Former-commit-id: a52e024a231e54e7e837b7c717606f4f0d187758
Former-commit-id: fcdb5a9e12802c9671bea24481c94a8876dfd418

src/net/torvald/terrarum/concurrent/ThreadParallel.kt

@@ -1,28 +1,12 @@
 package net.torvald.terrarum.concurrent
 
 import net.torvald.terrarum.Terrarum
-import java.util.*
 
 /**
  * Created by minjaesong on 16-05-25.
  */
 object ThreadParallel {
-    val POOL_SIZE = Terrarum.THREADS + 1
-
-    private val pool: Array<Thread?> = Array(POOL_SIZE, { null })
-
-    /**
-     * Map array of Runnable objects to thread pool.
-     * @param prefix : will name each thread as "Foo-1"
-     * @param runnables : vararg
-     */
-    fun mapAll(prefix: String, runnables: Array<Runnable>) {
-        if (runnables.size != POOL_SIZE)
-            throw RuntimeException("Thread pool argument size mismatch. If you have four cores, you must use four runnables.")
-
-        for (i in 0..runnables.size)
-            pool[i] = Thread(runnables[i], "$prefix-$i")
-    }
+    private val pool: Array<Thread?> = Array(Terrarum.THREADS, { null })
 
     /**
      * Map Runnable object to certain index of the thread pool.
@@ -34,18 +18,18 @@ object ThreadParallel {
         pool[index] = Thread(runnable, "$prefix-$index")
     }
 
-    /**
-     * Fill the thread pool with NULL value.
-     */
-    fun purge() {
-        for (i in 0..POOL_SIZE)
-            pool[i] = null
-    }
-
     /**
      * Start all thread in the pool. If the thread in the pool is NULL, it will simply ignored.
      */
     fun startAll() {
         pool.forEach { it?.start() }
     }
+
+    /**
+     * Primitive locking
+     */
+    fun allFinished(): Boolean {
+        pool.forEach { if (it?.state != Thread.State.TERMINATED) return false }
+        return true
+    }
 }