97 lines
2.6 KiB
C++
97 lines
2.6 KiB
C++
// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
|
|
// Copyright (C) 2010 Winch Gate Property Limited
|
|
//
|
|
// This program is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Affero General Public License as
|
|
// published by the Free Software Foundation, either version 3 of the
|
|
// License, or (at your option) any later version.
|
|
//
|
|
// This program 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 Affero General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Affero General Public License
|
|
// along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
#include "std3d.h"
|
|
|
|
#include "nel/3d/vegetable_instance_group.h"
|
|
|
|
|
|
namespace NL3D
|
|
{
|
|
|
|
|
|
// ***************************************************************************
|
|
CVegetableInstanceGroup::CVegetableInstanceGroup()
|
|
{
|
|
_ClipOwner= NULL;
|
|
_SortOwner= NULL;
|
|
_HasZSortPassInstances= false;
|
|
_TriangleQuadrantOrderNumTriangles= 0;
|
|
_ULPrec= this;
|
|
_ULNext= this;
|
|
_ULNumVertices= 0;
|
|
}
|
|
|
|
|
|
// ***************************************************************************
|
|
CVegetableInstanceGroup::~CVegetableInstanceGroup()
|
|
{
|
|
unlinkUL();
|
|
}
|
|
|
|
|
|
// ***************************************************************************
|
|
void CVegetableInstanceGroup::linkBeforeUL(CVegetableInstanceGroup *igNext)
|
|
{
|
|
nlassert(igNext);
|
|
|
|
// first, unlink others from me. NB: works even if _ULPrec==_ULNext==this.
|
|
_ULNext->_ULPrec= _ULPrec;
|
|
_ULPrec->_ULNext= _ULNext;
|
|
// link to igNext.
|
|
_ULNext= igNext;
|
|
_ULPrec= igNext->_ULPrec;
|
|
// link others to me.
|
|
_ULNext->_ULPrec= this;
|
|
_ULPrec->_ULNext= this;
|
|
}
|
|
|
|
// ***************************************************************************
|
|
void CVegetableInstanceGroup::unlinkUL()
|
|
{
|
|
// unlink others from me. NB: works even if _ULPrec==_ULNext==this.
|
|
_ULNext->_ULPrec= _ULPrec;
|
|
_ULPrec->_ULNext= _ULNext;
|
|
// reset
|
|
_ULPrec= this;
|
|
_ULNext= this;
|
|
}
|
|
|
|
|
|
// ***************************************************************************
|
|
CVegetableInstanceGroupReserve::CVegetableInstanceGroupReserve()
|
|
{
|
|
}
|
|
|
|
|
|
// ***************************************************************************
|
|
bool CVegetableInstanceGroup::isEmpty() const
|
|
{
|
|
for(uint i=0; i<NL3D_VEGETABLE_NRDRPASS; i++)
|
|
{
|
|
const CVegetableRdrPass &vegetRdrPass= _RdrPass[i];
|
|
// If some triangles to render, the ig is not empty
|
|
if(vegetRdrPass.NTriangles != 0)
|
|
return false;
|
|
}
|
|
|
|
// for all pass, no triangles to render => the ig is empty.
|
|
return true;
|
|
}
|
|
|
|
|
|
|
|
} // NL3D
|