# Find OpenNi
#
# This module defines
#  OpenNi_FOUND
#  OpenNi_INCLUDE_DIRS
#  OpenNi_LIBRARIES
#
# Copyright (c) 2012 I-maginer
# 
# This program is free software; you can redistribute it and/or modify it under
# the terms of the GNU Lesser General Public License as published by the Free Software
# Foundation; either version 2 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 Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License along with
# this program; if not, write to the Free Software Foundation, Inc., 59 Temple
# Place - Suite 330, Boston, MA 02111-1307, USA, or go to
# http://www.gnu.org/copyleft/lesser.txt
#

# On a new cmake run, we do not need to be verbose
IF(OpenNi_INCLUDE_DIR AND OpenNi_LIBRARY)
	SET(OpenNi_FIND_QUIETLY TRUE)
ENDIF()

if(WIN32 AND (WIN64 OR (CMAKE_SIZEOF_VOID_P EQUAL 8)))
  set(OPENNI_SDK_DIR "$ENV{SCOL_DEPENDENCIES_PATH}/OpenNI2/x64" CACHE PATH "OPENNI SDK path" FORCE)
elseif(WIN32)
  set(OPENNI_SDK_DIR "$ENV{SCOL_DEPENDENCIES_PATH}/OpenNI2/x86" CACHE PATH "OPENNI SDK path" FORCE)
endif()

# log message
IF (NOT OpenNi_FIND_QUIETLY)
	MESSAGE(STATUS "Checking for OpenNi SDK")
ENDIF()

# Search for header files
FIND_PATH(OpenNi_INCLUDE_DIR OpenNI.h
  PATHS ${OPENNI_SDK_DIR}/Include)

# Search for libraries files
FIND_LIBRARY(OpenNi_LIBRARY openNI2
  PATHS ${OPENNI_SDK_DIR}/Lib)

# Configure libraries
SET(OpenNi_INCLUDE_DIRS ${OpenNi_INCLUDE_DIR} CACHE STRING "Directory containing OpenNi SDK header files")
SET(OpenNi_LIBRARIES ${OpenNi_LIBRARY} CACHE STRING "OpenNi SDK libraries files")

# Hide those variables in GUI
SET(OpenNi_INCLUDE_DIR ${OpenNi_INCLUDE_DIR} CACHE INTERNAL "")
SET(OpenNi_LIBRARY ${OpenNi_LIBRARY} CACHE INTERNAL "")

IF(OpenNi_INCLUDE_DIRS AND OpenNi_LIBRARY)
	SET(OpenNi_FOUND TRUE)
ENDIF()

# log find result
IF(OpenNi_FOUND)
	IF(NOT OpenNi_FIND_QUIETLY)
		MESSAGE(STATUS "  libraries: ${OpenNi_LIBRARIES}")
		MESSAGE(STATUS "  includes: ${OpenNi_INCLUDE_DIRS}")
	ENDIF()
ELSE(OpenNi_FOUND)
	IF(NOT OpenNi_LIBRARIES)
		MESSAGE(STATUS, "OpenNi SDK library files could not be found")
	ENDIF()
	IF(NOT OpenNi_INCLUDE_DIRS)
		MESSAGE(STATUS "OpenNi SDK include files could not be found")
	ENDIF()
ENDIF(OpenNi_FOUND)