|
|
|
|
/*==LICENSE==*
|
|
|
|
|
|
|
|
|
|
CyanWorlds.com Engine - MMOG client, server and tools
|
|
|
|
|
Copyright (C) 2011 Cyan Worlds, Inc.
|
|
|
|
|
|
|
|
|
|
This program is free software: you can redistribute it and/or modify
|
|
|
|
|
it under the terms of the GNU 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 General Public License for more details.
|
|
|
|
|
|
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
|
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
|
|
|
|
|
|
Additional permissions under GNU GPL version 3 section 7
|
|
|
|
|
|
|
|
|
|
If you modify this Program, or any covered work, by linking or
|
|
|
|
|
combining it with any of RAD Game Tools Bink SDK, Autodesk 3ds Max SDK,
|
|
|
|
|
NVIDIA PhysX SDK, Microsoft DirectX SDK, OpenSSL library, Independent
|
|
|
|
|
JPEG Group JPEG library, Microsoft Windows Media SDK, or Apple QuickTime SDK
|
|
|
|
|
(or a modified version of those libraries),
|
|
|
|
|
containing parts covered by the terms of the Bink SDK EULA, 3ds Max EULA,
|
|
|
|
|
PhysX SDK EULA, DirectX SDK EULA, OpenSSL and SSLeay licenses, IJG
|
|
|
|
|
JPEG Library README, Windows Media SDK EULA, or QuickTime SDK EULA, the
|
|
|
|
|
licensors of this Program grant you additional
|
|
|
|
|
permission to convey the resulting work. Corresponding Source for a
|
|
|
|
|
non-source form of such a combination shall include the source code for
|
|
|
|
|
the parts of OpenSSL and IJG JPEG Library used as well as that of the covered
|
|
|
|
|
work.
|
|
|
|
|
|
|
|
|
|
You can contact Cyan Worlds, Inc. by email legal@cyan.com
|
|
|
|
|
or by snail mail at:
|
|
|
|
|
Cyan Worlds, Inc.
|
|
|
|
|
14617 N Newport Hwy
|
|
|
|
|
Mead, WA 99021
|
|
|
|
|
|
|
|
|
|
*==LICENSE==*/
|
|
|
|
|
|
|
|
|
|
#ifndef plDistTree_inc
|
|
|
|
|
#define plDistTree_inc
|
|
|
|
|
|
|
|
|
|
#include "hsTemplates.h"
|
|
|
|
|
|
|
|
|
|
class plDistNode
|
|
|
|
|
{
|
|
|
|
|
public:
|
|
|
|
|
enum {
|
|
|
|
|
kIsLeaf = 0x1
|
|
|
|
|
};
|
|
|
|
|
UInt32 fFlags;
|
|
|
|
|
|
|
|
|
|
Int32 fChildren[8];
|
|
|
|
|
Box3 fBox;
|
|
|
|
|
Box3 fFade;
|
|
|
|
|
|
|
|
|
|
union
|
|
|
|
|
{
|
|
|
|
|
void* fPData;
|
|
|
|
|
UInt32 fIData;
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
const Box3& GetBox() const { return fBox; }
|
|
|
|
|
|
|
|
|
|
BOOL IsLeaf() const { return 0 != (fFlags & kIsLeaf); }
|
|
|
|
|
void SetIsLeaf(BOOL on) { if(on)fFlags |= kIsLeaf; else fFlags &= ~kIsLeaf; }
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
class plDistTree
|
|
|
|
|
{
|
|
|
|
|
protected:
|
|
|
|
|
|
|
|
|
|
Int32 fRoot;
|
|
|
|
|
|
|
|
|
|
hsLargeArray<plDistNode> fNodes;
|
|
|
|
|
|
|
|
|
|
Int32 IAddNodeRecur(Int32 iNode, const Box3& box, const Box3& fade, UInt32 iData);
|
|
|
|
|
|
|
|
|
|
Int32 IMergeNodes(Int32 iNode, const Box3& box, const Box3& fade, UInt32 iData);
|
|
|
|
|
Int32 INextNode(const Box3& box, const Box3& fade, UInt32 iData);
|
|
|
|
|
|
|
|
|
|
Int32 IGetChild(const Box3& parent, const Box3& child) const;
|
|
|
|
|
|
|
|
|
|
inline BOOL IBoxesClear(const Box3& box0, const Box3& box1) const;
|
|
|
|
|
inline BOOL IFadesClear(const Box3& fade0, const Box3& fade1) const;
|
|
|
|
|
|
|
|
|
|
BOOL IBox0ContainsBox1(const Box3& box0, const Box3& box1, const Box3& fade0, const Box3& fade1) const;
|
|
|
|
|
|
|
|
|
|
BOOL IBoxClearRecur(Int32 iNode, const Box3& box, const Box3& fade) const;
|
|
|
|
|
BOOL IPointClearRecur(Int32 iNode, const Point3& pt, const Box3& fade) const;
|
|
|
|
|
|
|
|
|
|
void IHarvestBoxRecur(Int32 iNode, const Box3& box, Tab<Int32>& out) const;
|
|
|
|
|
|
|
|
|
|
public:
|
|
|
|
|
plDistTree();
|
|
|
|
|
virtual ~plDistTree();
|
|
|
|
|
|
|
|
|
|
void Reset();
|
|
|
|
|
|
|
|
|
|
void AddBoxPData(const Box3& box, const Box3& fade, void* pData=nil) { AddBoxIData(box, fade, UInt32(pData)); }
|
|
|
|
|
void AddBoxIData(const Box3& box, const Box3& fade, UInt32 iData=0);
|
|
|
|
|
void AddBox(const Box3& box, const Box3& fade=NonFade()) { AddBoxIData(box, fade, 0); }
|
|
|
|
|
|
|
|
|
|
BOOL BoxClear(const Box3& box, const Box3& fade) const;
|
|
|
|
|
BOOL PointClear(const Point3& pt, const Box3& fade) const;
|
|
|
|
|
|
|
|
|
|
BOOL IsEmpty() const { return fRoot < 0; }
|
|
|
|
|
|
|
|
|
|
static Box3 NonFade() { return Box3(Point3(0,0,0), Point3(0,0,0)); }
|
|
|
|
|
|
|
|
|
|
void HarvestBox(const Box3& box, Tab<Int32>& out) const;
|
|
|
|
|
|
|
|
|
|
const plDistNode& GetBox(Int32 i) const { return fNodes[i]; }
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
#endif // plDistTree_inc
|
