!#########################################################################
!		
!    Copyright (C) 2003-2012 Department of Physics and Astronomy,
!                            University of Rochester,
!                            Rochester, NY
!
!    problem.f90 of module Template is part of AstroBEAR.
!
!    AstroBEAR 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.
!
!    AstroBEAR 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 AstroBEAR.  If not, see <http://www.gnu.org/licenses/>.
!
!#########################################################################
!> @dir Template
!! @brief Contains files necessary for the Template Calculation

!> @file problem.f90
!! @brief Main file for module Problem

!> @defgroup Template Template Module
!! @brief Module for calculating collapse of a uniform cloud
!! @ingroup Modules

!> Template Module 
!! @ingroup Template
MODULE Problem
  USE GlobalDeclarations
  USE DataDeclarations
  USE Clumps
  USE Ambients
  USE Projections
  USE Cameras
  IMPLICIT NONE
  SAVE
  PUBLIC ProblemModuleInit, ProblemGridInit, ProblemBeforeStep, &
         ProblemAfterStep, ProblemSetErrFlag, ProblemBeforeGlobalStep
  PRIVATE 
  REAL(KIND=qPREC) :: rho, radius

CONTAINS

  SUBROUTINE ProblemModuleInit()
    TYPE(AmbientDef), POINTER :: Ambient
    TYPE(ClumpDef), POINTER :: Clump
    TYPE(ProjectionDef), POINTER :: Projection
    TYPE(CameraDef), POINTER :: Camera
    INTEGER :: ncameras, i, res
    REAL(KIND=qPREC) :: pos(3), focus(3), upvector(3), time, temperature
    NAMELIST/ProblemData/ rho, radius, ncameras, temperature, res
    NAMELIST/CameraData/ pos, focus, upvector, time
    OPEN(UNIT=PROBLEM_DATA_HANDLE, FILE='problem.data', STATUS="OLD")
    READ(PROBLEM_DATA_HANDLE,NML=ProblemData)

    CALL CreateProjection(Projection)   
    Projection%Field(1)%id=MASS_FIELD
!    CALL CreateCamera(Projection%Camera)
!    Projection%Camera%pos=(/-12,0,-12/)
!    Projection%Camera%UpVector=(/0,1,0/)
!    Projection%Camera%Focus=(/2,0,0/)
!    CALL UpdateCamera(Projection%Camera)

    CALL InitMovie(Projection%Movie, ncameras)
    Projection%Movie%res=res
    CALL CreateCamera(Camera)
    DO i=1, ncameras
       READ(PROBLEM_DATA_HANDLE, NML=CameraData)
       Camera%pos=pos
       Camera%focus=focus
       Camera%upvector=upvector
       CALL AddMovieCamera(Projection%Movie, Camera, time)
    END DO
    CALL FinalizeMovie(Projection%Movie)
    CLOSE(PROBLEM_DATA_HANDLE)

    CALL UpdateProjection(Projection)

    CALL CreateAmbient(Ambient)

    CALL CreateClump(Clump)
    Clump%density=rho
    Clump%radius=radius
    Clump%temperature=temperature
    CALL UpdateClump(Clump)

  END SUBROUTINE
  
  SUBROUTINE ProblemGridInit(Info)
    TYPE(InfoDef) :: Info
  END SUBROUTINE
 
  SUBROUTINE ProblemBeforeStep(Info)
    TYPE(InfoDef) :: Info
  END SUBROUTINE ProblemBeforeStep

  SUBROUTINE ProblemAfterStep(Info)
    TYPE(InfoDef) :: Info
  END SUBROUTINE ProblemAfterStep

  SUBROUTINE ProblemSetErrFlag(Info)
    TYPE(InfoDef) :: Info
  END SUBROUTINE ProblemSetErrFlag

  SUBROUTINE ProblemBeforeGlobalStep(n)
     INTEGER :: n
  END SUBROUTINE ProblemBeforeGlobalStep

END MODULE