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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==*/
#include "hsTypes.h"
#include "hsStream.h"
#include "plSoftVolume.h"
#include "plgDispatch.h"
#include "plMessage/plListenerMsg.h"
plSoftVolume::plSoftVolume()
: fListenState(0),
fListenStrength(0),
fInsideStrength(1.f),
fOutsideStrength(0)
{
fListenPos.Set(0,0,0);
}
plSoftVolume::~plSoftVolume()
{
}
void plSoftVolume::Read(hsStream* s, hsResMgr* mgr)
{
plRegionBase::Read(s, mgr);
fListenState = s->ReadSwap32();
SetCheckListener(0 != (fListenState & kListenCheck));
fInsideStrength = s->ReadSwapScalar();
fOutsideStrength = s->ReadSwapScalar();
}
void plSoftVolume::Write(hsStream* s, hsResMgr* mgr)
{
plRegionBase::Write(s, mgr);
s->WriteSwap32(fListenState);
s->WriteSwapScalar(fInsideStrength);
s->WriteSwapScalar(fOutsideStrength);
}
hsScalar plSoftVolume::GetStrength(const hsPoint3& pos) const
{
return IRemapStrength(IGetStrength(pos));
}
hsScalar plSoftVolume::GetListenerStrength() const
{
if( !(fListenState & kListenPosSet) )
{
// Some screw-up, haven't received a pos yet. Turn it off till we do.
return fListenStrength = IRemapStrength(0);
}
if( fListenState & kListenDirty )
{
fListenStrength = IUpdateListenerStrength();
fListenState &= ~kListenDirty;
}
return fListenStrength;
}
void plSoftVolume::UpdateListenerPosition(const hsPoint3& pos)
{
fListenPos = pos;
fListenState |= kListenDirty | kListenPosSet;
}
void plSoftVolume::SetCheckListener(hsBool on)
{
if( on )
{
plgDispatch::Dispatch()->RegisterForExactType(plListenerMsg::Index(), GetKey());
fListenState |= kListenCheck | kListenDirty | kListenRegistered;
}
else
{
plgDispatch::Dispatch()->UnRegisterForExactType(plListenerMsg::Index(), GetKey());
fListenState &= ~(kListenCheck | kListenDirty | kListenRegistered);
}
}
hsBool plSoftVolume::MsgReceive(plMessage* msg)
{
plListenerMsg* list = plListenerMsg::ConvertNoRef(msg);
if( list )
{
UpdateListenerPosition(list->GetPosition());
return true;
}
return plRegionBase::MsgReceive(msg);
}
hsScalar plSoftVolume::IUpdateListenerStrength() const
{
return fListenStrength = GetStrength(fListenPos);
}
void plSoftVolume::SetInsideStrength(hsScalar s)
{
if( s < 0 )
s = 0;
else if( s > 1.f )
s = 1.f;
fInsideStrength = s;
}
void plSoftVolume::SetOutsideStrength(hsScalar s)
{
if( s < 0 )
s = 0;
else if( s > 1.f )
s = 1.f;
fOutsideStrength = s;
}