# Find Magnum - Magnum handling module for CMake
#
# This module depends on Corrade and additionally defines:
#
# MAGNUM_FOUND                      - True if Magnum library is found
# MAGNUM_INCLUDE_DIR                - Include dir for Magnum
# MAGNUM_LIBRARY                    - Magnum library
# MAGNUM_PRIMITIVES_LIBRARY         - Library with primitives
#
# MAGNUM_LIBRARY_INSTALL_DIR        - Library installation directory
# MAGNUM_CMAKE_MODULE_INSTALL_DIR   - Installation dir for CMake modules
# MAGNUM_INCLUDE_INSTALL_DIR        - Include installation directory for headers
#

find_package(Corrade REQUIRED)
find_package(OpenGL REQUIRED)
find_package(GLEW REQUIRED)

if (MAGNUM_INCLUDE_DIR AND MAGNUM_LIBRARY AND MAGNUM_PRIMITIVES_LIBRARY AND MAGNUM_MESHTOOLS_LIBRARY AND MAGNUM_SHADERS_LIBRARY)

    # Already in cache
    set(MAGNUM_FOUND TRUE)

else()
    # Libraries
    find_library(MAGNUM_LIBRARY Magnum)
    find_library(MAGNUM_PRIMITIVES_LIBRARY MagnumPrimitives)
    find_library(MAGNUM_MESHTOOLS_LIBRARY MagnumMeshTools)
    find_library(MAGNUM_SHADERS_LIBRARY MagnumShaders)

    # Paths
    find_path(MAGNUM_INCLUDE_DIR
        NAMES Magnum.h
        PATH_SUFFIXES Magnum
    )

    include(FindPackageHandleStandardArgs)
    find_package_handle_standard_args("Magnum" DEFAULT_MSG
        MAGNUM_INCLUDE_DIR
        MAGNUM_LIBRARY
        MAGNUM_PRIMITIVES_LIBRARY
        MAGNUM_MESHTOOLS_LIBRARY
        MAGNUM_SHADERS_LIBRARY
    )

endif()

# Installation dirs
include(CorradeLibSuffix)
set_parent_scope(MAGNUM_LIBRARY_INSTALL_DIR ${CMAKE_INSTALL_PREFIX}/lib${LIB_SUFFIX})
set_parent_scope(MAGNUM_PLUGINS_INSTALL_DIR ${MAGNUM_LIBRARY_INSTALL_DIR}/magnum)
set_parent_scope(MAGNUM_PLUGINS_IMPORTER_INSTALL_DIR ${MAGNUM_PLUGINS_INSTALL_DIR}/importers)
set_parent_scope(MAGNUM_CMAKE_MODULE_INSTALL_DIR ${CMAKE_ROOT}/Modules)
set_parent_scope(MAGNUM_INCLUDE_INSTALL_DIR ${CMAKE_INSTALL_PREFIX}/include/Magnum)
set_parent_scope(MAGNUM_PLUGINS_INCLUDE_INSTALL_DIR ${CMAKE_INSTALL_PREFIX}/include/Magnum/Plugins)