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collisionHandler.cxx
00001 // Filename: collisionHandler.cxx
00002 // Created by:  drose (16Mar02)
00003 //
00004 ////////////////////////////////////////////////////////////////////
00005 //
00006 // PANDA 3D SOFTWARE
00007 // Copyright (c) Carnegie Mellon University.  All rights reserved.
00008 //
00009 // All use of this software is subject to the terms of the revised BSD
00010 // license.  You should have received a copy of this license along
00011 // with this source code in a file named "LICENSE."
00012 //
00013 ////////////////////////////////////////////////////////////////////
00014 
00015 #include "collisionHandler.h"
00016 
00017 TypeHandle CollisionHandler::_type_handle;
00018 
00019 ////////////////////////////////////////////////////////////////////
00020 //     Function: CollisionHandler::Constructor
00021 //       Access: Published
00022 //  Description:
00023 ////////////////////////////////////////////////////////////////////
00024 CollisionHandler::
00025 CollisionHandler() {
00026   _wants_all_potential_collidees = false;
00027 }
00028 
00029 ////////////////////////////////////////////////////////////////////
00030 //     Function: CollisionHandler::begin_group
00031 //       Access: Public, Virtual
00032 //  Description: Will be called by the CollisionTraverser before a new
00033 //               traversal is begun.  It instructs the handler to
00034 //               reset itself in preparation for a number of
00035 //               CollisionEntries to be sent.
00036 ////////////////////////////////////////////////////////////////////
00037 void CollisionHandler::
00038 begin_group() {
00039 }
00040 
00041 ////////////////////////////////////////////////////////////////////
00042 //     Function: CollisionHandler::add_entry
00043 //       Access: Public, Virtual
00044 //  Description: Called between a begin_group() .. end_group()
00045 //               sequence for each collision that is detected.
00046 ////////////////////////////////////////////////////////////////////
00047 void CollisionHandler::
00048 add_entry(CollisionEntry *) {
00049 }
00050 
00051 ////////////////////////////////////////////////////////////////////
00052 //     Function: CollisionHandler::end_group
00053 //       Access: Public, Virtual
00054 //  Description: Called by the CollisionTraverser at the completion of
00055 //               all collision detections for this traversal.  It
00056 //               should do whatever finalization is required for the
00057 //               handler.
00058 //
00059 //               The return value is normally true, but if this
00060 //               returns value, the CollisionTraverser will remove the
00061 //               handler from its list, allowing the CollisionHandler
00062 //               itself to determine when it is no longer needed.
00063 ////////////////////////////////////////////////////////////////////
00064 bool CollisionHandler::
00065 end_group() {
00066   return true;
00067 }
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