Engine directory for ticket #1

2026-02-27 18:43:48 +00:00 · 2012-09-19 11:15:01 -04:00 · 2012-09-19 11:15:01 -04:00 · 7dbfe6994d
commit 7dbfe6994d
parent 352279af7a
3795 changed files with 1363358 additions and 0 deletions
--- a/Engine/source/scene/sceneTracker.cpp
+++ b/Engine/source/scene/sceneTracker.cpp
@ -0,0 +1,128 @@
+//-----------------------------------------------------------------------------
+// Copyright (c) 2012 GarageGames, LLC
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to
+// deal in the Software without restriction, including without limitation the
+// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+// sell copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+// IN THE SOFTWARE.
+//-----------------------------------------------------------------------------
+
+#include "scene/sceneTracker.h"
+
+
+//=============================================================================
+//    SceneObjectLink.
+//=============================================================================
+
+//-----------------------------------------------------------------------------
+
+SceneObjectLink::SceneObjectLink( SceneTracker* tracker, SceneObject* object )
+   : mTracker( tracker ),
+     mObject( object ),
+     mNextLink( NULL ),
+     mPrevLink( NULL )
+{
+   if( object )
+   {
+      mNextLink = object->mSceneObjectLinks;
+      if( mNextLink )
+         mNextLink->mPrevLink = this;
+      object->mSceneObjectLinks = this;
+   }
+}
+
+//-----------------------------------------------------------------------------
+
+SceneObjectLink::~SceneObjectLink()
+{
+   if( mObject )
+   {
+      // Unlink from SceneObject's tracker list.
+
+      if( mNextLink )
+         mNextLink->mPrevLink = mPrevLink;
+      if( mPrevLink )
+         mPrevLink->mNextLink = mNextLink;
+      else
+         mObject->mSceneObjectLinks = mNextLink;
+   }
+}
+
+//-----------------------------------------------------------------------------
+
+void SceneObjectLink::update()
+{
+   getTracker()->updateObject( this );
+}
+
+//-----------------------------------------------------------------------------
+
+SceneObjectLink* SceneObjectLink::getLinkForTracker( SceneTracker* tracker, SceneObject* fromObject )
+{
+   for( SceneObjectLink* link = fromObject->mSceneObjectLinks; link != NULL; link = link->getNextLink() )
+      if( link->getTracker() == tracker )
+         return link;
+
+   return NULL;
+}
+
+//=============================================================================
+//    SceneObjectLink.
+//=============================================================================
+
+//-----------------------------------------------------------------------------
+
+SceneTracker::SceneTracker( bool isClientTracker, U32 typeMask )
+   : mIsClientTracker( isClientTracker ),
+     mObjectTypeMask( typeMask )
+{
+   // Hook up to SceneObject add/remove notifications.
+
+   SceneObject::smSceneObjectAdd.notify( this, &SceneTracker::registerObject );
+   SceneObject::smSceneObjectRemove.notify( this, &SceneTracker::unregisterObject );
+}
+
+//-----------------------------------------------------------------------------
+
+SceneTracker::~SceneTracker()
+{
+   SceneObject::smSceneObjectAdd.remove( this, &SceneTracker::registerObject );
+   SceneObject::smSceneObjectRemove.remove( this, &SceneTracker::unregisterObject );
+}
+
+//-----------------------------------------------------------------------------
+
+void SceneTracker::init()
+{
+   // Register existing scene graph objects.
+
+   SceneContainer* container;
+   if( isClientTracker() )
+      container = &gClientContainer;
+   else
+      container = &gServerContainer;
+
+   container->findObjects( getObjectTypeMask(),
+                           ( SceneContainer::FindCallback ) &_containerFindCallback,
+                           this );
+}
+
+//-----------------------------------------------------------------------------
+
+void SceneTracker::_containerFindCallback( SceneObject* object, SceneTracker* tracker )
+{
+   tracker->registerObject( object );
+}