diff options
author | Harvey Harrison <[email protected]> | 2015-04-19 21:02:06 -0700 |
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committer | Harvey Harrison <[email protected]> | 2015-04-19 21:02:06 -0700 |
commit | 7a2e20caac9db6f789a7b3fab344b9758af45335 (patch) | |
tree | b5236ff2570178de356eab569225108948eb4d30 /src/javax/media/j3d/WakeupCondition.java | |
parent | f76ce302c4bb2a9f03bbee571ec5d05c29633023 (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.java | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/src/javax/media/j3d/WakeupCondition.java b/src/javax/media/j3d/WakeupCondition.java new file mode 100644 index 0000000..7145483 --- /dev/null +++ b/src/javax/media/j3d/WakeupCondition.java @@ -0,0 +1,146 @@ +/* + * 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; + } +} |