/*==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 "plMorphArray.h"

plMorphArray::plMorphArray()
{
}

plMorphArray::~plMorphArray()
{
}


// MorphArray - Apply
void plMorphArray::Apply(hsTArray<plAccessSpan>& dst, hsTArray<hsScalar>* weights /* = nil */) const
{
    // Have our choice of cache thrashing here
    // We can for each delta/for each vert
    // or for each vert/for each delta
    // I'll go for the former, though I can't say why at the moment.
    // A nice thing about the outer loop being for each delta is
    // that a delta with a weight of zero can just bag it with one if.
    //
    // For each delta
    int i;
    for( i = 0; i < fDeltas.GetCount(); i++ )
    {
        // delta->Apply
        fDeltas[i].Apply(dst, (weights ? weights->Get(i) : -1.f));
    }
}

void plMorphArray::Read(hsStream* s, hsResMgr* mgr)
{
    int n = s->ReadSwap32();
    fDeltas.SetCount(n);
    int i;
    for( i = 0; i < n; i++ )
        fDeltas[i].Read(s, mgr);
}

void plMorphArray::Write(hsStream* s, hsResMgr* mgr)
{
    s->WriteSwap32(fDeltas.GetCount());

    int i;
    for( i = 0; i < fDeltas.GetCount(); i++ )
        fDeltas[i].Write(s, mgr);
}

void plMorphArray::Reset()
{
    fDeltas.Reset();
}

void plMorphArray::AddDelta(const plMorphDelta& delta)
{
    fDeltas.Append(delta);
}