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/*==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/>.
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 plVisLOSMgr_inc
#define plVisLOSMgr_inc
#include "hsGeometry3.h"
#include "hsTemplates.h"
class plSpaceTreeNode;
class plSpaceTree;
class plDrawableSpans;
class plDrawable;
class plSceneNode;
class plPageTreeMgr;
class plPipeline;
class hsBounds3Ext;
class plVisHit
{
public:
hsPoint3 fPos;
};
class plSpaceHit
{
public:
int fIdx;
hsScalar fClosest;
};
class plVisLOSMgr
{
protected:
plPageTreeMgr* fPageMgr;
plPipeline* fPipe;
hsScalar fMaxDist;
hsPoint3 fCurrFrom;
hsPoint3 fCurrTarg;
hsBool ISetup(const hsPoint3& pStart, const hsPoint3& pEnd);
hsBool ICheckBound(const hsBounds3Ext& bnd, hsScalar& closest);
hsBool ICheckSpaceTreeRecur(plSpaceTree* space, int which, hsTArray<plSpaceHit>& hits);
hsBool ICheckSpaceTree(plSpaceTree* space, hsTArray<plSpaceHit>& hits);
hsBool ICheckSceneNode(plSceneNode* node, plVisHit& hit);
hsBool ICheckDrawable(plDrawable* d, plVisHit& hit);
hsBool ICheckSpan(plDrawableSpans* dr, UInt32 spanIdx, plVisHit& hit);
public:
hsBool Check(const hsPoint3& pStart, const hsPoint3& pEnd, plVisHit& hit);
hsBool CursorCheck(plVisHit& hit);
static plVisLOSMgr* Instance();
static void Init(plPipeline* pipe, plPageTreeMgr* mgr) { Instance()->fPipe = pipe; Instance()->fPageMgr = mgr; }
static void DeInit() { Instance()->fPipe = nil; Instance()->fPageMgr = nil; }
};
#endif // plVisLOSMgr_inc