CWE-ou-minkata/MOULOpenSourceClientPlugin/Plasma20/Sources/Plasma/PubUtilLib/plDrawable/plSharedMesh.cpp

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*==LICENSE==*/
#include "hsResMgr.h"
#include "hsTemplates.h"
#include "plSharedMesh.h"
#include "plGeometrySpan.h"
#include "plInstanceDrawInterface.h"
#include "plDrawableSpans.h"
#include "plMorphSequence.h"

plSharedMesh::plSharedMesh() : fMorphSet(nil), fFlags(0)
{
}

plSharedMesh::~plSharedMesh()
{
	hsAssert(fActiveInstances.GetCount() == 0, "Tried to delete a shared mesh that has active instances.");
	
	while (fSpans.GetCount() > 0)
		delete fSpans.Pop();
}
/*
void plSharedMesh::CreateInstance(plSceneObject *so, UInt8 boneIndex)
{	
plDrawInterface *di = so->GetVolatileDrawInterface();

  //	hsAssert((fActiveInstances.GetCount == 0) || 
  //			 (di->GetDrawable() == fActiveInstances[0]->GetDrawInterface()->GetDrawable()),
  //			 "Trying to share a mesh between two seperate drawables. No can do.");
  
	
	  fActiveInstances.Append(so);
	  }
	  
		void plSharedMesh::RemoveInstance(plSceneObject *so)
		{
		so->GetVolatileDrawInterface()->ReleaseData();
		
		  fActiveInstances.RemoveItem(so);
		  }
*/

hsBool plSharedMesh::MsgReceive(plMessage* msg)
{
	plGenRefMsg *refMsg = plGenRefMsg::ConvertNoRef(msg);
	if (refMsg)
	{
		plMorphDataSet *set = plMorphDataSet::ConvertNoRef(refMsg->GetRef());
		if (set)
		{
			if( refMsg->GetContext() & (plRefMsg::kOnCreate|plRefMsg::kOnRequest|plRefMsg::kOnReplace) )
			{
				fMorphSet = plMorphDataSet::ConvertNoRef(refMsg->GetRef());
			}
			else if( refMsg->GetContext() & (plRefMsg::kOnDestroy|plRefMsg::kOnRemove) )
			{
				fMorphSet = nil;
			}
			return true;
		}
	}
	
	return hsKeyedObject::MsgReceive(msg);
}

// Currently, active instances are not meant to be created at export and written to disk.
void plSharedMesh::Read(hsStream* s, hsResMgr* mgr)
{
	hsKeyedObject::Read(s, mgr);
	
	int i;
	fSpans.SetCount(s->ReadSwap32());
	for (i = 0; i < fSpans.GetCount(); i++)
	{
		fSpans[i] = TRACKED_NEW plGeometrySpan;
		fSpans[i]->Read(s);
	}

	mgr->ReadKeyNotifyMe(s, TRACKED_NEW plGenRefMsg(GetKey(), plRefMsg::kOnCreate, -1, -1), plRefFlags::kActiveRef);
	fFlags = s->ReadByte();
}

void plSharedMesh::Write(hsStream* s, hsResMgr* mgr)
{
	hsKeyedObject::Write(s, mgr);

	int i;
	s->WriteSwap32(fSpans.GetCount());
	for (i = 0; i < fSpans.GetCount(); i++)
		fSpans[i]->Write(s);

	mgr->WriteKey(s, (fMorphSet ? fMorphSet->GetKey() : nil));
	s->WriteByte(fFlags);
}

//////////////////////////////////////////////////////////////////////////////////////

plSharedMeshBCMsg::plSharedMeshBCMsg() : plMessage(), fMesh(nil), fIsAdding(true) { SetBCastFlag(plMessage::kBCastByExactType); }