/////////////////////////////////////////////////////
/////////////////////////////////////////////////////
//
//		            SetLayerSquare
//
/////////////////////////////////////////////////////
/////////////////////////////////////////////////////

//#include "precomp.h"
#include "CKAll.h"


CKObjectDeclaration	*FillBehaviorSetLayerSquareDecl();
CKERROR CreateSetLayerSquareProto(CKBehaviorPrototype **);
int SetLayerSquare(const CKBehaviorContext& behcontext);

CKObjectDeclaration	*FillBehaviorSetLayerSquareDecl()
{
	CKObjectDeclaration *od = CreateCKObjectDeclaration("Set Square From 3D Pos");
	od->SetDescription("Sets the value of a square");
	/* rem:
	<SPAN CLASS=in>In: </SPAN>triggers the process.<BR>
	<SPAN CLASS=out>Out: </SPAN>is activated when the process is completed.<BR>
	<BR>
	<SPAN CLASS=pin>Pos3D: </SPAN>3d position to be converted into a 2d position in the affected grid.<BR>
	<SPAN CLASS=pin>Ref: </SPAN>basis in which the 3d position is expressed.<BR>
	<SPAN CLASS=pin>Layer: </SPAN>Layer to be conidered.<BR>
	<SPAN CLASS=pin>Value: </SPAN>Value to be put.<BR>
	<BR><BR>
	Remember, if you want to express an object position just set the referential as your object, and let 3dpos to (0,0,0)
	*/
	/* warning:
	- by now the only possible values are bound to a 0-255 range.<BR>
	*/
	od->SetType( CKDLL_BEHAVIORPROTOTYPE );
	od->SetCategory("Grids/Basic");
	od->SetGuid(CKGUID(0x73a67252,0x1d5b39c1));
	od->SetAuthorGuid(VIRTOOLS_GUID);
	od->SetAuthorName("Virtools");
	od->SetVersion(0x00010000);
	od->SetCreationFunction(CreateSetLayerSquareProto);
	od->SetCompatibleClassId(CKCID_BEOBJECT);
	return od;
}


CKERROR CreateSetLayerSquareProto(CKBehaviorPrototype **pproto)
{
  CKBehaviorPrototype *proto = CreateCKBehaviorPrototype("Set Square From 3D Pos");
  if(!proto) return CKERR_OUTOFMEMORY;
  
  proto->DeclareInput("In");
  proto->DeclareOutput("Out");
  
	proto->DeclareInParameter("Pos 3D", CKPGUID_VECTOR, "0,0,0" );
	proto->DeclareInParameter("Ref", CKPGUID_3DENTITY );
  proto->DeclareInParameter("Layer", CKPGUID_LAYERTYPE, DEFAULT_LAYER_NAME );
  proto->DeclareInParameter("Value", CKPGUID_INT, "255" );
  
  proto->SetFlags(CK_BEHAVIORPROTOTYPE_NORMAL);
  proto->SetFunction(SetLayerSquare);
  
  *pproto = proto;
  return CK_OK;
}


int SetLayerSquare(const CKBehaviorContext& behcontext)
{
	CKBehavior* beh = behcontext.Behavior;
	CKContext* ctx	= behcontext.Context;

	beh->ActivateInput(0, FALSE);
  beh->ActivateOutput(0);

  //_________________________________/ Retrieve Inputs
  VxVector pos(0,0,0);
  beh->GetInputParameterValue(0, &pos);

  CK3dEntity *ref = (CK3dEntity *)beh->GetInputParameterObject(1);

  int layer_type=1;
  beh->GetInputParameterValue(2, &layer_type);

  int value = 255;
  beh->GetInputParameterValue(3, &value);
  
  //_________________________________/ Get Preferred Grid
  CKGridManager *gm = (CKGridManager *) ctx->GetManagerByGuid(GRID_MANAGER_GUID);
  CKGrid *grid = gm->GetPreferredGrid( &pos, ref);
  
  if( grid ){
    CKLayer *layer = grid->GetLayer( layer_type );
    if( layer ){
      
      if( value>255 ) value=255;
      else if( value<0 ) value=0;

      VxVector tmp;
      grid->InverseTransform(&tmp, &pos, ref);

      int x = (int)tmp.x;
      int y = (int)tmp.z;

      layer->SetValue(x, y, &value);
    }
  }


  return CKBR_OK;
}