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/*==LICENSE==*
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CyanWorlds.com Engine - MMOG client, server and tools
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Copyright (C) 2011 Cyan Worlds, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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You can contact Cyan Worlds, Inc. by email legal@cyan.com
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or by snail mail at:
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Cyan Worlds, Inc.
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14617 N Newport Hwy
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Mead, WA 99021
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*==LICENSE==*/
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#include "hsTypes.h"
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#include "hsMatrix44.h"
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#include "hsGeometry3.h"
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#include "hsResMgr.h"
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#include "hsStream.h"
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#include "plVolumeIsect.h"
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#include "plSoftVolumeTypes.h"
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/////////////////////////////////////////////////////////////////////////////
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/////////////////////////////////////////////////////////////////////////////
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plSoftVolumeSimple::plSoftVolumeSimple()
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: fVolume(nil),
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fSoftDist(0)
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{
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}
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plSoftVolumeSimple::~plSoftVolumeSimple()
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{
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delete fVolume;
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}
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hsScalar plSoftVolumeSimple::IGetStrength(const hsPoint3& pos) const
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{
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if( !fVolume || GetProperty(kDisable) )
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return 0;
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hsScalar dist = fVolume->Test(pos);
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if( dist <= 0 )
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return 1.f;
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if( dist >= fSoftDist )
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return 0;
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dist /= fSoftDist;
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return 1.f - dist;
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}
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void plSoftVolumeSimple::SetTransform(const hsMatrix44& l2w, const hsMatrix44& w2l)
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{
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if( fVolume )
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fVolume->SetTransform(l2w, w2l);
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}
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void plSoftVolumeSimple::Read(hsStream* s, hsResMgr* mgr)
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{
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plSoftVolume::Read(s, mgr);
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fSoftDist = s->ReadSwapScalar();
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fVolume = plVolumeIsect::ConvertNoRef(mgr->ReadCreatable(s));
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}
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void plSoftVolumeSimple::Write(hsStream* s, hsResMgr* mgr)
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{
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plSoftVolume::Write(s, mgr);
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s->WriteSwapScalar(fSoftDist);
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mgr->WriteCreatable(s, fVolume);
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}
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void plSoftVolumeSimple::SetVolume(plVolumeIsect* v)
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{
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delete fVolume;
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fVolume = v;
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}
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/////////////////////////////////////////////////////////////////////////////
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/////////////////////////////////////////////////////////////////////////////
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plSoftVolumeComplex::plSoftVolumeComplex()
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{
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}
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plSoftVolumeComplex::~plSoftVolumeComplex()
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{
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}
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void plSoftVolumeComplex::Read(hsStream* s, hsResMgr* mgr)
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{
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plSoftVolume::Read(s, mgr);
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int n = s->ReadSwap32();
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int i;
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for( i = 0; i < n; i++ )
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mgr->ReadKeyNotifyMe(s, TRACKED_NEW plGenRefMsg(GetKey(), plRefMsg::kOnCreate, 0, kSubVolume), plRefFlags::kActiveRef);
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}
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void plSoftVolumeComplex::Write(hsStream* s, hsResMgr* mgr)
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{
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plSoftVolume::Write(s, mgr);
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s->WriteSwap32(fSubVolumes.GetCount());
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int i;
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for( i = 0; i < fSubVolumes.GetCount(); i++ )
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mgr->WriteKey(s, fSubVolumes[i]);
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}
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hsBool plSoftVolumeComplex::MsgReceive(plMessage* msg)
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{
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plGenRefMsg* refMsg = plGenRefMsg::ConvertNoRef(msg);
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if( refMsg )
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{
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if( refMsg->GetContext() & (plRefMsg::kOnCreate|plRefMsg::kOnRequest) )
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{
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plSoftVolume* sub = plSoftVolume::ConvertNoRef(refMsg->GetRef());
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hsAssert(fSubVolumes.kMissingIndex == fSubVolumes.Find(sub), "Adding subvolume I already have");
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fSubVolumes.Append(sub);
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}
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else if( refMsg->GetContext() & (plRefMsg::kOnDestroy|plRefMsg::kOnRemove) )
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{
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plSoftVolume* sub = (plSoftVolume*)refMsg->GetRef();
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int idx = fSubVolumes.Find(sub);
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if( idx != fSubVolumes.kMissingIndex )
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fSubVolumes.Remove(idx);
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}
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return true;
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}
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return plSoftVolume::MsgReceive(msg);
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}
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void plSoftVolumeComplex::UpdateListenerPosition(const hsPoint3& pos)
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{
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plSoftVolume::UpdateListenerPosition(pos);
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int i;
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for( i = 0; i < fSubVolumes.GetCount(); i++ )
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fSubVolumes[i]->UpdateListenerPosition(pos);
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}
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/////////////////////////////////////////////////////////////////////////////
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/////////////////////////////////////////////////////////////////////////////
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plSoftVolumeUnion::plSoftVolumeUnion()
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{
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}
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plSoftVolumeUnion::~plSoftVolumeUnion()
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{
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}
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hsScalar plSoftVolumeUnion::IGetStrength(const hsPoint3& pos) const
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{
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hsScalar retVal = 0;
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int i;
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for( i = 0; i < fSubVolumes.GetCount(); i++ )
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{
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hsScalar subRet = fSubVolumes[i]->GetStrength(pos);
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if( subRet >= 1.f )
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return 1.f;
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if( subRet > retVal )
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retVal = subRet;
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}
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return retVal;
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}
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hsScalar plSoftVolumeUnion::IUpdateListenerStrength() const
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{
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hsScalar retVal = 0;
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int i;
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for( i = 0; i < fSubVolumes.GetCount(); i++ )
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{
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hsScalar subRet = fSubVolumes[i]->GetListenerStrength();
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if( subRet >= 1.f )
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{
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retVal = 1.f;
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break;
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}
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if( subRet > retVal )
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retVal = subRet;
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}
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return fListenStrength = IRemapStrength(retVal);
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}
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/////////////////////////////////////////////////////////////////////////////
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/////////////////////////////////////////////////////////////////////////////
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plSoftVolumeIntersect::plSoftVolumeIntersect()
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{
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}
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plSoftVolumeIntersect::~plSoftVolumeIntersect()
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{
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}
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hsScalar plSoftVolumeIntersect::IGetStrength(const hsPoint3& pos) const
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{
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hsScalar retVal = 1.f;
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int i;
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for( i = 0; i < fSubVolumes.GetCount(); i++ )
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{
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hsScalar subRet = fSubVolumes[i]->GetStrength(pos);
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if( subRet <= 0 )
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return 0;
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if( subRet < retVal )
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retVal = subRet;
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}
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return retVal;
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}
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hsScalar plSoftVolumeIntersect::IUpdateListenerStrength() const
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{
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hsScalar retVal = 1.f;
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int i;
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for( i = 0; i < fSubVolumes.GetCount(); i++ )
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{
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hsScalar subRet = fSubVolumes[i]->GetListenerStrength();
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if( subRet <= 0 )
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{
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retVal = 0.f;
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break;
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}
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if( subRet < retVal )
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retVal = subRet;
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}
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return fListenStrength = IRemapStrength(retVal);
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}
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/////////////////////////////////////////////////////////////////////////////
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/////////////////////////////////////////////////////////////////////////////
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plSoftVolumeInvert::plSoftVolumeInvert()
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{
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}
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plSoftVolumeInvert::~plSoftVolumeInvert()
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{
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}
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hsScalar plSoftVolumeInvert::IGetStrength(const hsPoint3& pos) const
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{
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hsAssert(fSubVolumes.GetCount() <= 1, "Too many subvolumes on inverter");
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if( fSubVolumes.GetCount() )
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return 1.f - fSubVolumes[0]->GetStrength(pos);
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return 1.f;
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}
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hsScalar plSoftVolumeInvert::IUpdateListenerStrength() const
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{
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hsAssert(fSubVolumes.GetCount() <= 1, "Too many subvolumes on inverter");
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hsScalar retVal = 1.f;
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if( fSubVolumes.GetCount() )
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retVal = (1.f - fSubVolumes[0]->GetListenerStrength());
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return fListenStrength = IRemapStrength(retVal);
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}
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/////////////////////////////////////////////////////////////////////////////
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/////////////////////////////////////////////////////////////////////////////
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