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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 plPageTreeMgr_inc
#define plPageTreeMgr_inc
#include "hsTemplates.h"
class plSceneNode;
class plSpaceTree;
class plPipeline;
class plCullPoly;
class plOccluder;
class plDrawable;
class plDrawVisList;
class plVolumeIsect;
class plVisMgr;
class plDrawSpanPair
{
public:
plDrawSpanPair() {}
plDrawSpanPair(UInt16 d, UInt16 s) : fDrawable(d), fSpan(s) {}
UInt16 fDrawable;
UInt16 fSpan;
};
class plDrawVisList
{
public:
plDrawVisList() : fDrawable(nil) {}
virtual ~plDrawVisList() {}
plDrawable* fDrawable;
hsTArray<Int16> fVisList;
plDrawVisList& operator=(const plDrawVisList& v) { fDrawable = v.fDrawable; fVisList = v.fVisList; return *this; }
};
class plPageTreeMgr
{
protected:
hsTArray<plSceneNode*> fNodes;
plSpaceTree* fSpaceTree;
plVisMgr* fVisMgr;
static hsBool fDisableVisMgr;
hsTArray<const plOccluder*> fOccluders;
hsTArray<const plCullPoly*> fCullPolys;
hsTArray<const plCullPoly*> fSortedCullPolys;
void ITrashSpaceTree();
hsBool IBuildSpaceTree();
hsBool IRefreshTree(plPipeline* pipe);
void ISortCullPolys(plPipeline* pipe);
hsBool IGetOcclusion(plPipeline* pipe, hsTArray<Int16>& list);
hsBool IGetCullPolys(plPipeline* pipe);
void IResetOcclusion(plPipeline* pipe);
void IAddCullPolyList(const hsTArray<plCullPoly>& polyList);
hsBool ISortByLevel(plPipeline* pipe, hsTArray<plDrawVisList>& drawList, hsTArray<plDrawVisList>& sortedDrawList);
int IPrepForRenderSortingSpans(plPipeline* pipe, hsTArray<plDrawVisList>& drawVis, int& iDrawStart);
hsBool IRenderSortingSpans(plPipeline* pipe, hsTArray<plDrawVisList*>& drawList, hsTArray<plDrawSpanPair>& pairs);
int IRenderVisList(plPipeline* pipe, hsTArray<plDrawVisList>& visList);
public:
plPageTreeMgr();
virtual ~plPageTreeMgr();
const hsTArray<plSceneNode*>& GetNodes() const { return fNodes; }
void AddNode(plSceneNode* node);
void RemoveNode(plSceneNode* node);
virtual void Reset(); // remove all nodes, nuke the space tree
virtual hsBool Empty() const { return !fNodes.GetCount(); }
virtual int Render(plPipeline* pipe);
hsBool Harvest(plVolumeIsect* isect, hsTArray<plDrawVisList>& levList);
void AddOccluderList(const hsTArray<plOccluder*> occList);
plSpaceTree* GetSpaceTree() { if( !fSpaceTree ) IBuildSpaceTree(); return fSpaceTree; }
void SetVisMgr(plVisMgr* visMgr) { fVisMgr = visMgr; }
plVisMgr* GetVisMgr() const { return fVisMgr; }
static void EnableVisMgr(hsBool on) { fDisableVisMgr = !on; }
static hsBool VisMgrEnabled() { return !fDisableVisMgr; }
};
#endif // plPageTreeMgr_inc