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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 plAccessSpan_inc
#define plAccessSpan_inc
#include "plAccessVtxSpan.h"
#include "plAccessTriSpan.h"
#include "plAccessPartySpan.h"
#include "plSpanTypes.h"
#include "plGeometrySpan.h"
class plGeometrySpan;
class plSpan;
class hsGMaterial;
class plAccessSpan
{
public:
enum AccessType
{
kTri = 0,
kParty,
kVtx,
kUndefined
};
private:
union
{
plAccessTriSpan fAccessTri;
plAccessPartySpan fAccessParty;
plAccessVtxSpan fAccessVtx;
} fAccess;
AccessType fType;
const hsMatrix44* fLocalToWorld;
const hsMatrix44* fWorldToLocal;
hsBounds3Ext* fLocalBounds;
hsBounds3Ext* fWorldBounds;
hsScalar* fWaterHeight;
hsGMaterial* fMaterial;
void SetSource(plSpan* s);
void SetSource(plGeometrySpan* s);
void SetMaterial(hsGMaterial* m) { fMaterial = m; }
friend class plAccessGeometry;
public:
plAccessSpan() : fType(kUndefined), fLocalToWorld(nil), fWorldToLocal(nil), fLocalBounds(nil), fWorldBounds(nil), fWaterHeight(nil), fMaterial(nil) {}
plAccessSpan(AccessType t) : fType(t), fLocalToWorld(nil), fWorldToLocal(nil), fLocalBounds(nil), fWorldBounds(nil), fWaterHeight(nil), fMaterial(nil) {}
void SetType(AccessType t) { fType = t; }
AccessType GetType() const { return fType; }
hsBool HasAccessTri() const { return fType == kTri; }
hsBool HasAccessParty() const { return fType == kParty; }
hsBool HasAccessVtx() const { return fType != kUndefined; }
plAccessTriSpan& AccessTri() { hsAssert(fType == kTri, "Cross type access"); return fAccess.fAccessTri; }
plAccessPartySpan& AccessParty() { hsAssert(fType == kParty, "Cross type access"); return fAccess.fAccessParty; }
inline plAccessVtxSpan& AccessVtx();
const hsMatrix44& GetLocalToWorld() const { return *fLocalToWorld; }
const hsMatrix44& GetWorldToLocal() const { return *fWorldToLocal; }
hsGMaterial* GetMaterial() const { return fMaterial; }
const hsBounds3Ext& GetLocalBounds() const { return *fLocalBounds; }
const hsBounds3Ext& GetWorldBounds() const { return *fWorldBounds; }
void SetLocalBounds(const hsBounds3Ext& bnd) { *fWorldBounds = *fLocalBounds = bnd; fWorldBounds->Transform(fLocalToWorld); }
void SetWorldBounds(const hsBounds3Ext& wBnd) { *fWorldBounds = wBnd; }
hsBool HasWaterHeight() const { return nil != fWaterHeight; }
hsScalar GetWaterHeight() const { hsAssert(HasWaterHeight(), "Check before asking"); return *fWaterHeight; }
};
inline plAccessVtxSpan& plAccessSpan::AccessVtx()
{
switch( fType )
{
case kTri:
return fAccess.fAccessTri;
case kParty:
return fAccess.fAccessParty;
case kVtx:
return fAccess.fAccessVtx;
case kUndefined:
default:
break;
}
hsAssert(false, "Undefined type");
return fAccess.fAccessVtx;
}
#endif // plAccessSpan_inc