feat(tutorial): step 2 is step 3 minus background

tutorials/flappy-bird/step_2/CMakeLists.txt

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+if (${CMAKE_SOURCE_DIR} STREQUAL ${CMAKE_BINARY_DIR})
+    message(FATAL_ERROR "Prevented in-tree build. Please create a build directory outside of the source code and call cmake from there")
+endif ()
+
+##! Minimum version of the CMake.
+cmake_minimum_required(VERSION 3.14)
+
+##! C++ Standard needed by the SDK is 17
+set(CMAKE_CXX_STANDARD 17)
+
+##! Our Project title, here flappy-bird.
+project(flappy-bird DESCRIPTION "An awesome flappy-bird" LANGUAGES CXX)
+
+##! The SDK need's clang as main compiler.
+if (NOT "${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
+    if (NOT "${CMAKE_CXX_COMPILER_ID}" STREQUAL "AppleClang")
+        message(FATAL_ERROR "Only Clang is supported (minimum LLVM 8.0)")
+    endif()
+endif ()
+
+##! We will let know the SDK if our on Linux
+if (${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
+    set(LINUX TRUE)
+endif ()
+
+##! We include the module from CMake for fetching dependencies
+include(FetchContent)
+
+##! We declare information about the dependance that we want to fetch.
+FetchContent_Declare(
+        antara-gaming-sdk
+        URL https://github.com/KomodoPlatform/antara-gaming-sdk/archive/master.zip
+)
+
+##! We set extras modules from the SDK that we want to use, here we will use the SFML module.
+set(USE_SFML_ANTARA_WRAPPER ON)
+
+##! We fetch our dependence
+FetchContent_MakeAvailable(antara-gaming-sdk)
+
+##! Calling this macros provided by the sdk will if you are on Apple init the environment for this OS (std::filesystem).
+init_apple_env()
+
+##! Osx bundle icon
+set(ICON)
+configure_icon_osx(data/osx/kmd_logo.icns ICON kmd_logo.icns)
+
+##! We create the executable with the project name
+add_executable(${PROJECT_NAME} MACOSX_BUNDLE ${ICON} flappy-bird.cpp)
+
+##! Setting output directory
+set_target_properties(${PROJECT_NAME}
+        PROPERTIES
+        RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/bin/"
+        )
+
+##! We link the SDK modules that we want to use to our executable
+target_link_libraries(${PROJECT_NAME} PUBLIC antara::world antara::sfml antara::collisions)
+
+##! Move assets
+if (WIN32)
+    file(COPY assets DESTINATION ${CMAKE_BINARY_DIR}/bin/)
+    ADD_CUSTOM_COMMAND(TARGET ${PROJECT_NAME} POST_BUILD
+            COMMAND ${CMAKE_COMMAND} -E copy_directory "${SFML_BINARY_DIR}/lib" "${CMAKE_BINARY_DIR}/bin/"
+            COMMENT "copying dlls …"
+            $<TARGET_FILE_DIR:${PROJECT_NAME}>
+            )
+
+    ADD_CUSTOM_COMMAND(TARGET ${PROJECT_NAME} POST_BUILD
+            COMMAND ${CMAKE_COMMAND} -E copy "${SFML_SOURCE_DIR}/extlibs/bin/x64/openal32.dll" "${CMAKE_BINARY_DIR}/bin/openal32.dll"
+            COMMENT "copying dlls …"
+            $<TARGET_FILE_DIR:${PROJECT_NAME}>
+            )
+endif ()
+
+if (APPLE)
+    file(COPY assets DESTINATION ${CMAKE_BINARY_DIR}/bin/${PROJECT_NAME}.app/Contents/Resources)
+endif()

tutorials/flappy-bird/step_2/assets/config/game.config.maker.json

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+{"background_color":[0,0,0,255],"canvas_height":1080.0,"canvas_width":1920.0,"custom_canvas_height":true,"custom_canvas_width":true,"native_desktop_mode":false,"scale_mode":"fit","window_height":1080.0,"window_title":"game title","window_width":1920.0}

tutorials/flappy-bird/step_2/data/linux/org.antara.gaming.sfml.flappybird.appdata.xml

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+<component type="desktop-application">
+    <id>org.antara.gaming.sfml.flappybird.desktop</id>
+    <metadata_license>MIT</metadata_license>
+    <project_license>MIT</project_license>
+    <name>flappy-bird</name>
+    <summary>flappy-bird tutorial antara gaming sdk</summary>
+    <description>
+        <p>Written in c++17</p>
+    </description>
+    <launchable type="desktop-id">org.antara.gaming.sfml.flappybird.desktop</launchable>
+    <url type="homepage">https://github.com/KomodoPlatform/antara-gaming-sdk</url>
+    <screenshots>
+        <screenshot type="default">
+            <image>https://www.freedesktop.org/software/appstream/docs/images/scr-examples/geany-good.png</image>
+        </screenshot>
+    </screenshots>
+    <provides>
+        <id>org.antara.gaming.sfml.flappybird.desktop</id>
+    </provides>
+</component>

tutorials/flappy-bird/step_2/data/linux/org.antara.gaming.sfml.flappybird.desktop

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+[Desktop Entry]
+Type=Application
+Name=flappy-bird
+Exec=flappy-bird
+Icon=komodo_icon
+Categories=Game;

tutorials/flappy-bird/step_2/data/osx/Packaging_CMakeDMGSetup.scpt

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+on run argv
+  set image_name to item 1 of argv
+
+  tell application "Finder"
+  tell disk image_name
+
+    -- wait for the image to finish mounting
+    set open_attempts to 0
+    repeat while open_attempts < 4
+      try
+        open
+          delay 1
+          set open_attempts to 5
+        close
+      on error errStr number errorNumber
+        set open_attempts to open_attempts + 1
+        delay 10
+      end try
+    end repeat
+    delay 5
+
+    -- open the image the first time and save a DS_Store with just
+    -- background and icon setup
+    open
+      set current view of container window to icon view
+      set theViewOptions to the icon view options of container window
+      set background picture of theViewOptions to file ".background:background.tif"
+      set arrangement of theViewOptions to not arranged
+      set icon size of theViewOptions to 128
+      delay 5
+    close
+
+    -- next setup the position of the app and Applications symlink
+    -- plus hide all the window decorationPackaging_CMakeDMGBackground.tif
+    open
+      update without registering applications
+      tell container window
+        set sidebar width to 0
+        set statusbar visible to false
+        set toolbar visible to false
+        set the bounds to { 400, 100, 900, 465 }
+        set position of item "flappy-bird.app" to { 133, 200 }
+        set position of item "Applications" to { 378, 200 }
+      end tell
+      update without registering applications
+      delay 5
+    close
+
+    -- one last open and close so you can see everything looks correct
+    open
+      delay 5
+    close
+
+  end tell
+  delay 1
+end tell
+end run

tutorials/flappy-bird/step_2/data/osx/sfml_flappybird_install.cmake

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+if (APPLE)
+    set_target_properties(${PROJECT_NAME} PROPERTIES
+            MACOSX_BUNDLE_BUNDLE_NAME "${PROJECT_NAME}"
+            RESOURCE data/osx/${PROJECT_NAME}.icns
+            MACOSX_BUNDLE_ICON_FILE ${PROJECT_NAME}
+            MACOSX_BUNDLE_SHORT_VERSION_STRING 0.0.1
+            MACOSX_BUNDLE_LONG_VERSION_STRING 0.0.1
+            MACOSX_BUNDLE_INFO_PLIST "${PROJECT_SOURCE_DIR}/cmake/MacOSXBundleInfo.plist.in")
+    add_custom_command(TARGET ${PROJECT_NAME}
+            POST_BUILD COMMAND
+            ${CMAKE_INSTALL_NAME_TOOL} -add_rpath "@executable_path/../Frameworks/"
+            $<TARGET_FILE:${PROJECT_NAME}>)
+endif ()
+
+if (APPLE)
+    install(TARGETS ${PROJECT_NAME}
+            BUNDLE DESTINATION . COMPONENT Runtime
+            RUNTIME DESTINATION bin COMPONENT Runtime
+            )
+
+    # Note Mac specific extension .app
+    set(APPS "\${CMAKE_INSTALL_PREFIX}/${PROJECT_NAME}.app")
+
+    # Directories to look for dependencies
+    set(DIRS ${CMAKE_BINARY_DIR})
+
+    install(CODE "include(BundleUtilities)
+    fixup_bundle(\"${APPS}\" \"\" \"${DIRS}\")")
+
+    set(CPACK_GENERATOR "DRAGNDROP")
+    set(CPACK_DMG_DS_STORE_SETUP_SCRIPT "${CMAKE_CURRENT_SOURCE_DIR}/data/osx/Packaging_CMakeDMGSetup.scpt")
+    set(CPACK_DMG_BACKGROUND_IMAGE "${CMAKE_CURRENT_SOURCE_DIR}/data/osx/Packaging_CMakeDMGBackground.tif")
+    set(CPACK_PACKAGE_NAME "${PROJECT_NAME}")
+    include(CPack)
+endif ()