mirror of
https://github.com/TorqueGameEngines/Torque3D.git
synced 2026-01-20 04:34:48 +00:00
71 lines
2.8 KiB
C++
71 lines
2.8 KiB
C++
//-----------------------------------------------------------------------------
|
|
// 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 "platform/platform.h"
|
|
#include "scene/zones/sceneTraversalState.h"
|
|
|
|
#include "scene/sceneManager.h"
|
|
#include "scene/culling/sceneCullingState.h"
|
|
#include "scene/culling/sceneCullingVolume.h"
|
|
#include "scene/zones/sceneZoneSpaceManager.h"
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
|
|
SceneTraversalState::SceneTraversalState( SceneCullingState* cullingState )
|
|
: mCullingState( cullingState ),
|
|
mTraversedArea( 0.f )
|
|
{
|
|
VECTOR_SET_ASSOCIATION( mZoneStack );
|
|
VECTOR_SET_ASSOCIATION( mCullingVolumeStack );
|
|
|
|
// Push the polyhedron of the root frustum onto the traversal
|
|
// stack as the current culling volume.
|
|
|
|
pushCullingVolume( cullingState->getRootVolume() );
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
|
|
SceneZoneSpace* SceneTraversalState::getZoneFromStack( U32 depth )
|
|
{
|
|
SceneZoneSpaceManager* zoneManager = getCullingState()->getSceneManager()->getZoneManager();
|
|
U32 zoneId = getZoneIdFromStack( depth );
|
|
|
|
return zoneManager->getZoneOwner( zoneId );
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
|
|
void SceneTraversalState::pushCullingVolume( const SceneCullingVolume& volume )
|
|
{
|
|
mCullingVolumeStack.push_back( volume );
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
|
|
void SceneTraversalState::popCullingVolume()
|
|
{
|
|
AssertFatal( mCullingVolumeStack.size() > 1, "SceneTraversalState::popCullingVolume - Must not pop root volume" );
|
|
mCullingVolumeStack.pop_back();
|
|
}
|