# CMakeLists.txt

####################################################
# Written by JackCarterSmith, 2022
# This code is released under the RSE license.
####################################################


# General configuration
include(CheckIncludeFile)
include(CheckCSourceCompiles)

add_definitions(-DCONF_NO_GL)	# Used for obj-lib to not compile GL part

# Import needed packages and references their include path
find_package(PNG 1.6.37 REQUIRED)
include_directories(${PNG_INCLUDE_DIR})
find_package(GLEW REQUIRED)				# Enable when GL rendering is ready
include_directories(${GLEW_INCLUDE_DIR})


# Define src/headers files
file(GLOB_RECURSE RSE_TERRAIN_SOURCES ./src/*.c)
source_group("Source Files" FILES ${RSE_TERRAIN_SOURCES})


# Building instructions for RSE-Terrain
if(DEFINED ENV{CI})
	set(CMAKE_BUILD_TYPE RELEASE)
endif()


# Declare standalone application
add_executable(rse-terrain ${RSE_TERRAIN_SOURCES})
set_property(TARGET rse-terrain PROPERTY C_STANDARD 90)

#target_include_directories(rse-terrain PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/src)
set_target_properties(rse-terrain PROPERTIES OUTPUT_NAME ${RSE_TERRAIN_NAME})

if(MSVC)
	# msvc does not append 'lib' - do it here to have consistent name
	set_target_properties(rse-terrain PROPERTIES IMPORT_PREFIX "lib")
elseif(UNIX)
	set(AUX_LIBS m)# add math.lib for GL processing
endif()

# Link externals libraries to the linker
if(RSPTERRAIN_SHARED)
	target_link_libraries(rse-terrain PRIVATE rsp-terrain-lib ${PNG_LIBRARIES} ${GLEW_LIBRARIES} ${AUX_LIBS})
elseif(RSPTERRAIN_STATIC)
	target_link_libraries(rse-terrain PRIVATE rsp-terrain-libstatic ${PNG_LIBRARIES} ${GLEW_LIBRARIES} ${AUX_LIBS})
endif()