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authorHarvey Harrison <[email protected]>2015-04-19 21:02:06 -0700
committerHarvey Harrison <[email protected]>2015-04-19 21:02:06 -0700
commit7a2e20caac9db6f789a7b3fab344b9758af45335 (patch)
treeb5236ff2570178de356eab569225108948eb4d30 /src/javax/media/j3d/WakeupCondition.java
parentf76ce302c4bb2a9f03bbee571ec5d05c29633023 (diff)
j3dcore: flatten the directory structure a bit
Signed-off-by: Harvey Harrison <[email protected]>
Diffstat (limited to 'src/javax/media/j3d/WakeupCondition.java')
-rw-r--r--src/javax/media/j3d/WakeupCondition.java146
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diff --git a/src/javax/media/j3d/WakeupCondition.java b/src/javax/media/j3d/WakeupCondition.java
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+/*
+ * Copyright 1997-2008 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;
+
+import java.util.Enumeration;
+
+/**
+ * An abstract class specifying a single wakeup Condition. This class
+ * is extended by the WakeupCriterion, WakeupOr, WakeupAnd,
+ * WakeupOrOfAnds, and WakeupAndOfOr classes. A Behavior node hands a
+ * WakeupCondition object to the behavior scheduler and the behavior
+ * scheduler hands back an enumeration of that WakeupCondition.
+ */
+
+public abstract class WakeupCondition extends Object {
+
+ static final int ALL_ELEMENTS = 0;
+ static final int TRIGGERED_ELEMENTS = 1;
+
+ /**
+ * This boolean indicates whether this condition has been fully met.
+ */
+ boolean conditionMet = false;
+
+ /**
+ * This points to the parent of this criterion in the AndOr tree
+ */
+ WakeupCondition parent = null;
+
+ /**
+ * The location of this criterion in the parents array.
+ */
+ int id;
+
+ /**
+ * The BehaviorRetained node that is using this condition
+ */
+ BehaviorRetained behav = null;
+
+ /**
+ * This is the allElements enumerator
+ */
+ WakeupCriteriaEnumerator allEnum = null;
+
+ /**
+ * This is the triggeredElements enumerator
+ */
+ WakeupCriteriaEnumerator trigEnum = null;
+
+ // Use in WakeupIndexedList
+ int listIdx[][];
+
+ /**
+ * Returns an enumeration of all WakeupCriterias in this Condition.
+ */
+ public Enumeration allElements() {
+ if (allEnum == null) {
+ allEnum = new WakeupCriteriaEnumerator(this, ALL_ELEMENTS);
+ } else {
+ allEnum.reset(this, ALL_ELEMENTS);
+ }
+ return allEnum;
+ }
+
+ /**
+ * Returns an enumeration of all triggered WakeupCriterias in this Condition.
+ */
+ public Enumeration triggeredElements() {
+ if (trigEnum == null) {
+ trigEnum = new WakeupCriteriaEnumerator(this, TRIGGERED_ELEMENTS);
+ } else {
+ trigEnum.reset(this, TRIGGERED_ELEMENTS);
+ }
+ return trigEnum;
+ }
+
+ /**
+ * this sets the conditionMet flag.
+ */
+ void setConditionMet(int id, Boolean checkSchedulingRegion) {
+
+ if (!conditionMet) {
+ conditionMet = true;
+ J3dMessage message = new J3dMessage();
+ message.type = J3dMessage.COND_MET;
+ message.threads = J3dThread.UPDATE_BEHAVIOR;
+ message.universe = behav.universe;
+ message.args[0] = behav;
+ message.args[1] = checkSchedulingRegion;
+ message.args[2] = this;
+ VirtualUniverse.mc.processMessage(message);
+ }
+ }
+
+ /**
+ * Initialize And/Or tree and add criterion to the BehaviourStructure
+ */
+ void buildTree(WakeupCondition parent, int id, BehaviorRetained b){
+ this.parent = parent;
+ this.behav = b;
+ this.id = id;
+ conditionMet = false;
+ }
+
+ /**
+ * This goes through the AndOr tree to remove the various criterion from the
+ * BehaviorStructure.
+ * We can't use behav.universe.behaviorStructure since behav
+ * may reassign to another universe at this time.
+ */
+ void cleanTree(BehaviorStructure bs) {
+ conditionMet = false;
+ }
+
+ void reInsertElapseTimeCond() {
+ conditionMet = false;
+ }
+
+ void resetTree() {
+ conditionMet = false;
+ }
+}