cmake_minimum_required(VERSION 3.8.0)
project(vmix VERSION 0.0.1 LANGUAGES CXX C)

set(CMAKE_VERBOSE_MAKEFILE ON CACHE BOOL "ON")
set(CMAKE_INCLUDE_CURRENTDIR ON)
set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules )
include(MacroLogFeature)

if(UNIX)
    if (APPLE)
        add_definitions(-DAPPLE)

        set(OpenGL_DIR /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/System/Library/Frameworks/)
        set(CMAKE_OSX_ARCHITECTURES x86_64)
        set(CMAKE_OSX_DEPLOYMENT_TARGET "10.13")

    else()
        add_definitions(-DLINUX)

        set(OpenGL_GL_PREFERENCE "GLVND")

    endif()
    add_definitions(-DUNIX)
elseif(WIN32)
    add_definitions(-DWIN32)
    add_definitions(-DMINGW32)
endif(UNIX)


# Include the CMake RC module
include(CMakeRC)

#
# GSTREAMER
#

find_package(GStreamer 1.0.0 COMPONENTS base)
macro_log_feature(GSTREAMER_FOUND "GStreamer"
"Open Source Multiplatform Multimedia Framework"
"http://gstreamer.freedesktop.org/" TRUE "1.0.0")
macro_log_feature(GSTREAMER_BASE_LIBRARY_FOUND "GStreamer base library"
"${GSTREAMER_BASE_LIBRARY}"
"http://gstreamer.freedesktop.org/" FALSE "1.0.0")

find_package(GStreamerPluginsBase 1.0.0 COMPONENTS app audio video pbutils gl)
macro_log_feature(GSTREAMER_APP_LIBRARY_FOUND "GStreamer app library"
"${GSTREAMER_APP_LIBRARY}"
"http://gstreamer.freedesktop.org/" TRUE "1.0.0")

macro_log_feature(GSTREAMER_AUDIO_LIBRARY_FOUND "GStreamer audio library"
"${GSTREAMER_AUDIO_LIBRARY}"
"http://gstreamer.freedesktop.org/" TRUE "1.0.0")

macro_log_feature(GSTREAMER_VIDEO_LIBRARY_FOUND "GStreamer video library"
"${GSTREAMER_VIDEO_LIBRARY}"
"http://gstreamer.freedesktop.org/" TRUE "1.0.0")

macro_log_feature(GSTREAMER_PBUTILS_LIBRARY_FOUND "GStreamer pbutils library"
"${GSTREAMER_PBUTILS_LIBRARY}"
"http://gstreamer.freedesktop.org/" TRUE "1.0.0")

macro_log_feature(GSTREAMER_GL_LIBRARY_FOUND "GStreamer opengl library"
"${GSTREAMER_GL_LIBRARY}"
"http://gstreamer.freedesktop.org/" TRUE "1.0.0")


# Various preprocessor definitions for GST
add_definitions(-DGST_DISABLE_XML -DGST_DISABLE_LOADSAVE)

# Basics
find_package(GLIB2)
macro_log_feature(GLIB2_FOUND "GLib" "GTK general-purpose utility library" "http://www.gtk.org/" TRUE)

find_package(GObject)
macro_log_feature(GOBJECT_FOUND "GObject" "GTK object-oriented framework" "http://www.gtk.org/" TRUE)

set(CMAKE_THREAD_PREFER_PTHREAD TRUE)
find_package(Threads REQUIRED)
set(THREAD_LIBRARY Threads::Threads)

find_package(PNG REQUIRED)
set(PNG_LIBRARY PNG::PNG)


#
# GLFW3
#
find_package(glfw3 3.3 REQUIRED)
macro_log_feature(glfw3_FOUND "GLFW3" "Open Source, multi-platform library for OpenGL" "http://www.glfw.org/" TRUE)
set(GLFW_LIBRARY glfw)

find_package(OpenGL REQUIRED)

#
# GLM
#
find_package(glm REQUIRED)
macro_log_feature(glm_FOUND "GLM" "OpenGL Mathematics" "https://glm.g-truc.net" TRUE)
set(GLM_LIBRARY glm)

#
# GLAD
#
set(GLAD_INCLUDE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/ext/glad/include)
add_library(GLAD "${CMAKE_CURRENT_SOURCE_DIR}/ext/glad/src/glad.c")
message(STATUS "Compiling 'GLAD' generated at https://glad.dav1d.de/ -- ${GLAD_INCLUDE_DIR}.")

#
# DEAR IMGUI
#
set(IMGUI_SRCS
    ${CMAKE_CURRENT_SOURCE_DIR}/ext/imgui/imgui.cpp
    ${CMAKE_CURRENT_SOURCE_DIR}/ext/imgui//imgui_demo.cpp
    ${CMAKE_CURRENT_SOURCE_DIR}/ext/imgui//imgui_draw.cpp
    ${CMAKE_CURRENT_SOURCE_DIR}/ext/imgui//imgui_widgets.cpp
    ${CMAKE_CURRENT_SOURCE_DIR}/ext/imgui/examples/imgui_impl_glfw.cpp
    ${CMAKE_CURRENT_SOURCE_DIR}/ext/imgui/examples/imgui_impl_opengl3.cpp
)
set(IMGUI_INCLUDE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/ext/imgui)
add_library(IMGUI "${IMGUI_SRCS}")
target_compile_definitions(IMGUI PRIVATE "IMGUI_IMPL_OPENGL_LOADER_GLAD")
message(STATUS "Compiling 'Dear ImGui' from https://github.com/ocornut/imgui.git -- ${IMGUI_INCLUDE_DIR}.")

#
# ImGui Color Text Editor
#
set(IMGUITEXTEDIT_INCLUDE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/ext/ImGuiColorTextEdit)
set(IMGUITEXTEDIT_SRC
    ${CMAKE_CURRENT_SOURCE_DIR}/ext/ImGuiColorTextEdit/TextEditor.cpp
)
message(STATUS "Including 'ImGuiColorTextEdit' from https://github.com/BalazsJako/ImGuiColorTextEdit -- ${IMGUITEXTEDIT_INCLUDE_DIR}.")


#
# TINY XML 2
#
set(TINYXML2_INCLUDE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/ext/tinyxml2)
add_library(TINYXML2 "${CMAKE_CURRENT_SOURCE_DIR}/ext/tinyxml2/tinyxml2.cpp")
message(STATUS "Compiling 'TinyXML2' from https://github.com/leethomason/tinyxml2.git -- ${TINYXML2_INCLUDE_DIR}.")

#
# STB
#
set(STB_INCLUDE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/ext/stb)
add_definitions(-DIMGUI_USE_STB_SPRINTF)
message(STATUS "Including 'STB Nothings' from https://github.com/nothings/stb -- ${STB_INCLUDE_DIR}.")

#
# DIRENT
#
if(WIN32)
    set(DIRENT_INCLUDE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/ext)
    message(STATUS "Including 'Dirent' from https://github.com/tronkko/dirent -- ${DIRENT_INCLUDE_DIR}.")
endif( WIN32 )

#
# TINY FILE DIALOG
#
set(TINYFD_INCLUDE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/ext/tfd)
add_library(TINYFD "${CMAKE_CURRENT_SOURCE_DIR}/ext/tfd/tinyfiledialogs.c")
message(STATUS "Compiling 'TinyFileDialog' from https://github.com/native-toolkit/tinyfiledialogs.git -- ${TINYFD_INCLUDE_DIR}.")

#
# OBJ LOADER
#
#set(OBJLOADER_INCLUDE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/ext/obj)
#add_library(OBJLOADER "${CMAKE_CURRENT_SOURCE_DIR}/ext/obj/ObjLoader.cpp")
#message(STATUS "Compiling 'ObjLoader' from https://github.com/mortennobel/OpenGL_3_2_Utils -- ${OBJLOADER_INCLUDE_DIR}.")

# find_package(PkgConfig REQUIRED)
# pkg_check_modules(GTK3 REQUIRED gtk+-3.0)

#
#  Application
#

# Setup the environment
include_directories(
    ${GSTREAMER_INCLUDE_DIR}
    ${GSTREAMER_AUDIO_INCLUDE_DIR}
    ${GSTREAMER_VIDEO_INCLUDE_DIR}
    ${GSTREAMER_BASE_INCLUDE_DIR}
    ${GSTREAMER_APP_INCLUDE_DIR}
    ${GSTREAMER_PBUTILS_INCLUDE_DIR}
    ${GSTREAMER_GL_INCLUDE_DIR}
    ${GLIB2_INCLUDE_DIR}
    ${GLAD_INCLUDE_DIR}
    ${GLM_INCLUDE_DIRS}
    ${IMGUI_INCLUDE_DIR}
    ${IMGUI_INCLUDE_DIR}/examples
    ${IMGUITEXTEDIT_INCLUDE_DIR}
    ${TINYXML2_INCLUDE_DIR}
    ${TINYFD_INCLUDE_DIR}
    ${STB_INCLUDE_DIR}
    ${DIRENT_INCLUDE_DIR}
    ${OBJLOADER_INCLUDE_DIR}
)


set(VMIX_BINARY "vmix")
set(VMIX_SRCS
    main.cpp
    Log.cpp
    Shader.cpp
    ImageShader.cpp
    Scene.cpp
    Primitives.cpp
    Mesh.cpp
    SessionVisitor.cpp
    Settings.cpp
    Screenshot.cpp
    Resource.cpp
    FileDialog.cpp
    MediaPlayer.cpp
    FrameBuffer.cpp
    RenderingManager.cpp
    UserInterfaceManager.cpp
    ImGuiToolkit.cpp
    ImGuiVisitor.cpp
    GstToolkit.cpp
    tinyxml2Toolkit.cpp
)

set(VMIX_RSC_FILES
    ./rsc/shaders/simple-shader.fs
    ./rsc/shaders/simple-shader.vs
    ./rsc/shaders/texture-shader.fs
    ./rsc/shaders/texture-shader.vs
    ./rsc/fonts/Hack-Regular.ttf
    ./rsc/fonts/Roboto-Regular.ttf
    ./rsc/fonts/Roboto-Bold.ttf
    ./rsc/fonts/Roboto-Italic.ttf
    ./rsc/fonts/fa-regular-400.ttf
    ./rsc/fonts/fa-solid-900.ttf
    ./rsc/images/v-mix_256x256.png
    ./rsc/images/busy.png
    ./rsc/images/icons.dds
    ./rsc/images/seed_512.jpg
    ./rsc/images/transparencygrid.png
    ./rsc/mesh/point.ply
    ./rsc/mesh/disk.ply
    ./rsc/mesh/shadow.ply
    ./rsc/mesh/shadow.png
    ./rsc/mesh/target.ply
    ./rsc/mesh/border.ply
    ./rsc/mesh/icon_video.ply
    ./rsc/mesh/icon_image.ply
)

add_executable(${VMIX_BINARY}
    ${VMIX_SRCS}
    ${IMGUITEXTEDIT_SRC}
)

set_property(TARGET ${VMIX_BINARY} PROPERTY CXX_STANDARD 17)
set_property(TARGET ${VMIX_BINARY} PROPERTY C_STANDARD 11)

target_compile_definitions(${VMIX_BINARY} PUBLIC "IMGUI_IMPL_OPENGL_LOADER_GLAD")

cmrc_add_resource_library(vmix-resources ALIAS vmix::rc NAMESPACE vmix WHENCE rsc ${VMIX_RSC_FILES})
message(STATUS "Using 'CMakeRC ' from https://github.com/vector-of-bool/cmrc.git -- ${CMAKE_MODULE_PATH}.")


target_link_libraries(${VMIX_BINARY} LINK_PRIVATE 
    ${GLFW_LIBRARY}
    ${OPENGL_LIBRARY}
    ${GLM_LIBRARY}
    GLAD
    ${CMAKE_DL_LIBS}
    ${GOBJECT_LIBRARIES}
    ${GSTREAMER_LIBRARY}
    ${GSTREAMER_BASE_LIBRARY}
    ${GSTREAMER_APP_LIBRARY}
    ${GSTREAMER_AUDIO_LIBRARY}
    ${GSTREAMER_VIDEO_LIBRARY}
    ${GSTREAMER_PBUTILS_LIBRARY}
    ${GSTREAMER_GL_LIBRARY}
    ${NFD_LIBRARY}
    ${PNG_LIBRARY}
    ${THREAD_LIBRARY}
    TINYXML2
    TINYFD
    IMGUI
    vmix::rc
)

macro_display_feature_log()