You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
191 lines
6.7 KiB
191 lines
6.7 KiB
/*==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 plSpaceTree_inc |
|
#define plSpaceTree_inc |
|
|
|
#include "hsTemplates.h" |
|
#include "hsBounds.h" |
|
#include "pnFactory/plCreatable.h" |
|
#include "hsBitVector.h" |
|
|
|
class hsStream; |
|
class hsResMgr; |
|
class plVolumeIsect; |
|
|
|
class plSpaceTreeNode |
|
{ |
|
public: |
|
enum { |
|
kNone = 0x0, |
|
kIsLeaf = 0x1, |
|
kDirty = 0x2, |
|
kDisabled = 0x4, |
|
kEmpty = 0x8, |
|
kEnabledTemp = 0x10 |
|
}; |
|
|
|
hsBounds3Ext fWorldBounds; |
|
|
|
UInt16 fFlags; // mostly for alignment; |
|
Int16 fParent; |
|
union { |
|
Int16 fChildren[2]; // Children are actually in same array as parent |
|
Int16 fLeafIndex; |
|
}; |
|
|
|
Int16 GetChild(int w) const { hsAssert(!(fFlags & kIsLeaf), "Getting Child of leaf node"); return fChildren[w]; } |
|
Int16 GetParent() const { return fParent; } |
|
Int16 GetLeaf() const { hsAssert(fFlags & kIsLeaf, "Getting leaf idx off interior node"); return fLeafIndex; } |
|
hsBool IsLeaf() const { return 0 != (fFlags & kIsLeaf); } |
|
const hsBounds3Ext& GetWorldBounds() const { return fWorldBounds; } |
|
|
|
// Kind of hate this. Would like to blast the whole thing in, but |
|
// the bounds are a real class. |
|
void Read(hsStream* s); |
|
void Write(hsStream* s); |
|
}; |
|
|
|
|
|
class plSpaceTree : public plCreatable |
|
{ |
|
public: |
|
enum plHarvestFlags { |
|
kNone = 0x0, |
|
kSortBackToFront = 0x1, |
|
kSortFrontToBack = 0x2 |
|
}; |
|
enum { |
|
kRootParent = -1 |
|
}; |
|
private: |
|
hsTArray<plSpaceTreeNode> fTree; |
|
const hsBitVector* fCache; |
|
|
|
Int16 fRoot; |
|
Int16 fNumLeaves; |
|
|
|
UInt16 fHarvestFlags; |
|
|
|
mutable plVolumeIsect* fCullFunc; |
|
|
|
hsPoint3 fViewPos; |
|
|
|
void IRefreshRecur(Int16 which); |
|
|
|
void IHarvestAndCullLeaves(const plSpaceTreeNode& subRoot, hsTArray<Int16>& list) const; |
|
void IHarvestLeaves(const plSpaceTreeNode& subRoot, hsTArray<Int16>& list) const; |
|
|
|
void IHarvestAndCullLeaves(const plSpaceTreeNode& subRoot, hsBitVector& totList, hsBitVector& list) const; |
|
void IHarvestLeaves(const plSpaceTreeNode& subRoot, hsBitVector& totList, hsBitVector& list) const; |
|
|
|
void IHarvestLevel(Int16 subRoot, int level, int currLevel, hsTArray<Int16>& list) const; |
|
|
|
void IHarvestAndCullEnabledLeaves(Int16 subRoot, const hsBitVector& cache, hsTArray<Int16>& list) const; |
|
void IHarvestEnabledLeaves(Int16 subRoot, const hsBitVector& cache, hsTArray<Int16>& list) const; |
|
void IHarvestEnabledLeaves(Int16 subIdx, const hsBitVector& cache, hsBitVector& totList, hsBitVector& list) const; |
|
|
|
void IEnableLeaf(Int16 idx, hsBitVector& cache) const; |
|
|
|
public: |
|
plSpaceTree(); |
|
virtual ~plSpaceTree(); |
|
|
|
CLASSNAME_REGISTER( plSpaceTree ); |
|
GETINTERFACE_ANY( plSpaceTree, plCreatable ); |
|
|
|
void SetViewPos(const hsPoint3& p) { fViewPos = p; } |
|
const hsPoint3& GetViewPos() const { return fViewPos; } |
|
|
|
const plSpaceTreeNode& GetNode(Int16 w) const { return fTree[w]; } |
|
Int16 GetRoot() const { return fRoot; } |
|
hsBool IsRoot(Int16 w) const { return fRoot == w; } |
|
hsBool IsLeaf(Int16 w) const { return GetNode(w).IsLeaf(); } |
|
|
|
void HarvestLeaves(hsBitVector& totList, hsBitVector& list) const; |
|
void HarvestLeaves(hsBitVector& list) const; |
|
void HarvestLeaves(plVolumeIsect* cullFunc, hsBitVector& list) const; |
|
void HarvestLeaves(Int16 subRoot, hsBitVector& list) const; |
|
void HarvestLeaves(Int16 subRoot, hsBitVector& totList, hsBitVector& list) const; |
|
|
|
void HarvestLeaves(hsTArray<Int16>& list) const; |
|
void HarvestLeaves(plVolumeIsect* cullFunc, hsTArray<Int16>& list) const; |
|
void HarvestLeaves(Int16 subRoot, hsTArray<Int16>& list) const; |
|
|
|
void EnableLeaf(Int16 idx, hsBitVector& cache) const; |
|
void EnableLeaves(const hsTArray<Int16>& list, hsBitVector& cache) const; |
|
void HarvestEnabledLeaves(plVolumeIsect* cullFunc, const hsBitVector& cache, hsTArray<Int16>& list) const; |
|
void SetCache(const hsBitVector* cache) { fCache = cache; } |
|
|
|
void BitVectorToList(hsTArray<Int16>& list, const hsBitVector& bitVec) const; |
|
|
|
void SetHarvestFlags(plHarvestFlags f) { fHarvestFlags = f; } |
|
UInt16 GetHarvestFlags() const { return fHarvestFlags; } |
|
|
|
UInt16 HasLeafFlag(Int16 w, UInt16 f) const { return GetNode(w).fFlags & f; } |
|
void SetLeafFlag(Int16 w, UInt16 f, hsBool on=true); |
|
void ClearLeafFlag(Int16 w, UInt16 f); |
|
void ClearTreeFlag(UInt16 f); |
|
void SetTreeFlag(UInt16 f, hsBool on=true); |
|
|
|
hsBool IsDisabled(UInt16 w) const { return (GetNode(w).fFlags & plSpaceTreeNode::kDisabled) || (fCache && !fCache->IsBitSet(w)); } |
|
|
|
// Should GetWorldBounds check and refresh if needed? |
|
const hsBounds3Ext& GetWorldBounds() const { return GetNode(GetRoot()).fWorldBounds; } |
|
|
|
void MoveLeaf(Int16 idx, const hsBounds3Ext& newWorldBnd); |
|
void Refresh(); |
|
hsBool IsEmpty() const { return 0 != (GetNode(GetRoot()).fFlags & plSpaceTreeNode::kEmpty); } |
|
hsBool IsDirty() const { return 0 != (GetNode(GetRoot()).fFlags & plSpaceTreeNode::kDirty); } |
|
void MakeDirty() { fTree[GetRoot()].fFlags |= plSpaceTreeNode::kDirty; } |
|
|
|
Int16 GetNumLeaves() const { return fNumLeaves; } |
|
|
|
virtual void Read(hsStream* s, hsResMgr* mgr); |
|
virtual void Write(hsStream* s, hsResMgr* mgr); |
|
|
|
void HarvestLevel(int level, hsTArray<Int16>& list) const; |
|
|
|
friend class plSpaceTreeMaker; |
|
}; |
|
|
|
#endif // plSpaceTree_inc
|
|
|