From 7a2e20caac9db6f789a7b3fab344b9758af45335 Mon Sep 17 00:00:00 2001
From: Harvey Harrison <harvey.harrison@gmail.com>
Date: Sun, 19 Apr 2015 21:02:06 -0700
Subject: j3dcore: flatten the directory structure a bit

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
---
 src/javax/media/j3d/MasterControlThread.java | 76 ++++++++++++++++++++++++++++
 1 file changed, 76 insertions(+)
 create mode 100644 src/javax/media/j3d/MasterControlThread.java

(limited to 'src/javax/media/j3d/MasterControlThread.java')

diff --git a/src/javax/media/j3d/MasterControlThread.java b/src/javax/media/j3d/MasterControlThread.java
new file mode 100644
index 0000000..f1c67b0
--- /dev/null
+++ b/src/javax/media/j3d/MasterControlThread.java
@@ -0,0 +1,76 @@
+/*
+ * Copyright 1999-2008 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+package javax.media.j3d;
+
+/**
+ * Master control thread.  The MasterControlThread object and thread
+ * are created dynamically whenever needed.  Once created, the thread
+ * runs until all other threads are terminated.  Then the master
+ * control thread terminates.  There is never more than one
+ * MasterControl object or thread in existence at any one time.
+ */
+class MasterControlThread extends Thread {
+
+    private static int numInstances = 0;
+    private int instanceNum = -1;
+
+    private static synchronized int newInstanceNum() {
+	return (++numInstances);
+    }
+
+    private int getInstanceNum() {
+	if (instanceNum == -1)
+	    instanceNum = newInstanceNum();
+	return instanceNum;
+    }
+
+    MasterControlThread(ThreadGroup threadGroup) {
+	super(threadGroup, "");
+	setName("J3D-MasterControl-" + getInstanceNum());
+	VirtualUniverse.mc.createMCThreads();
+	this.start();
+    }
+
+    @Override
+    public void run() {
+
+	do {
+	    while (VirtualUniverse.mc.running) {
+		VirtualUniverse.mc.doWork();
+
+		// NOTE: no need to call Thread.yield(), since we will
+		// call wait() if there is no work to do (yield seems
+		// to be a no-op on Windows anyway)
+	    }
+	} while (!VirtualUniverse.mc.mcThreadDone());
+
+	if(J3dDebug.devPhase) {
+	    J3dDebug.doDebug(J3dDebug.masterControl, J3dDebug.LEVEL_1,
+			     "MC: MasterControl Thread Terminate");
+	}
+    }
+}
-- 
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