/*==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);
}