#Specify the version being used aswell as the language
cmake_minimum_required(VERSION 2.8)
#Name your project here
project(TrueEyes)

#set the module directory
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}")

#find the Qt4
find_package(Qt4 REQUIRED)
include_directories(${QT_INCLUDE_DIRECTORY})
include(${QT_USE_FILE})

#find OpenGL
find_package(OpenGL REQUIRED)

#find GLUT
set(GLUT_ROOT_PATH $ENV{GLUT_ROOT_PATH})
find_package(GLUT REQUIRED)

#find GLEW
find_package(GLEW REQUIRED)

#add Qt OpenGL stuff
set(QT_USE_QTOPENGL TRUE)

#ask the user for the RTS location
set(RTS_ROOT_PATH $ENV{RTS_ROOT_PATH})
find_package(RTS REQUIRED)

#set the include directories
include_directories(
	${CMAKE_CURRENT_BINARY_DIR}
	${QT_INCLUDES}
	${QT_QTOPENGL_INCLUDE_DIR}
	${OPENGL_INCLUDE_DIR}
	${GLEW_INCLUDE_PATH}
	${GLUT_INCLUDE_DIR}
	${RTS_INCLUDE_DIR}
)

#set up copying data files
configure_file(fragPrefix.glsl ${CMAKE_CURRENT_BINARY_DIR}/fragPrefix.glsl @ONLY)
configure_file(fragPostfix.glsl ${CMAKE_CURRENT_BINARY_DIR}/fragPostfix.glsl @ONLY)
configure_file(fragRayCast.glsl ${CMAKE_CURRENT_BINARY_DIR}/fragRayCast.glsl @ONLY)
#configure_file(example/genus.tep ${CMAKE_CURRENT_BINARY_DIR}/example/genus.tep @ONLY)
#configure_file(example/gradient.glsl ${CMAKE_CURRENT_BINARY_DIR}/example/gradient.glsl @ONLY)
#configure_file(example/intensity.glsl ${CMAKE_CURRENT_BINARY_DIR}/example/intensity.glsl @ONLY)
#configure_file(example/high_genus_512_512_512.raw ${CMAKE_CURRENT_BINARY_DIR}/example/high_genus_512_512_512.raw @ONLY)

#Assign source files to the appropriate variables
file(GLOB SRC_CPP "*.cpp")
file(GLOB SRC_H "*.h")
file(GLOB SRC_UI "*.ui")
file(GLOB SRC_QRC "*.qrc")

#determine which source files have to be moc'd
Qt4_wrap_cpp(UI_MOC ${SRC_H})
Qt4_wrap_ui(UI_H ${SRC_UI})
Qt4_add_resources(ALL_RCC ${ALL_QRC})

#moc the necessary files
Qt4_automoc(${ALL_CPP})

source_group(QtMoc FILES ${UI_MOC})
source_group(QtUI FILES ${SRC_UI})

#create an executable
add_executable(TrueEyes ${SRC_CPP} ${SRC_H} ${UI_H} ${UI_MOC} ${ALL_RCC})

#set the link libraries
target_link_libraries(TrueEyes ${QT_LIBRARIES} ${QT_QTOPENGL_LIBRARY} ${OPENGL_gl_LIBRARY} ${OPENGL_glu_LIBRARY} ${GLEW_LIBRARY} ${GLUT_glut_LIBRARY})