work in progress

designer/CMakeLists.txt

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+cmake_minimum_required(VERSION 3.22.1)
+project(mosis-designer)
+
+set(CMAKE_CXX_STANDARD 23)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+
+# Find Lua before RmlUi so it can be used
+find_package(Lua REQUIRED)
+
+# Find other dependencies via vcpkg
+find_package(glfw3 CONFIG REQUIRED)
+find_package(freetype CONFIG REQUIRED)
+find_package(PNG REQUIRED)
+find_package(nlohmann_json CONFIG REQUIRED)
+
+# Fetch RmlUi
+include(FetchContent)
+FetchContent_Declare(
+    rmlui
+    GIT_REPOSITORY https://github.com/mikke89/RmlUi.git
+    GIT_TAG 6.0
+)
+
+# Enable RmlUi Lua bindings before fetching
+set(RMLUI_LUA_BINDINGS ON CACHE BOOL "" FORCE)
+set(BUILD_SHARED_LIBS OFF CACHE BOOL "" FORCE)
+set(RMLUI_SAMPLES OFF CACHE BOOL "" FORCE)
+set(RMLUI_TESTS OFF CACHE BOOL "" FORCE)
+set(RMLUI_FONT_ENGINE "freetype" CACHE STRING "" FORCE)
+
+FetchContent_MakeAvailable(rmlui)
+
+# Get the RmlUi source directory for backend sources
+FetchContent_GetProperties(rmlui)
+set(RMLUI_SOURCE_DIR ${rmlui_SOURCE_DIR})
+
+# Shared kernel library sources (platform-agnostic code)
+set(KERNEL_SOURCES
+    ../src/main/kernel/src/platform.cpp
+    ../src/main/kernel/src/file_interface.cpp
+)
+
+# Desktop platform sources
+set(DESIGNER_SOURCES
+    src/main.cpp
+    src/desktop_platform.cpp
+    src/hot_reload.cpp
+    src/data_models.cpp
+    src/kernel_impl.cpp
+    src/testing/action_recorder.cpp
+    src/testing/action_player.cpp
+    src/testing/ui_inspector.cpp
+    src/testing/visual_capture.cpp
+    # RmlUi backend sources
+    ${RMLUI_SOURCE_DIR}/Backends/RmlUi_Backend_GLFW_GL3.cpp
+    ${RMLUI_SOURCE_DIR}/Backends/RmlUi_Platform_GLFW.cpp
+    ${RMLUI_SOURCE_DIR}/Backends/RmlUi_Renderer_GL3.cpp
+)
+
+# Designer executable
+add_executable(mosis-designer
+    ${KERNEL_SOURCES}
+    ${DESIGNER_SOURCES}
+)
+
+target_include_directories(mosis-designer PRIVATE
+    src
+    ../src/main/kernel/include
+    ${RMLUI_SOURCE_DIR}
+    ${RMLUI_SOURCE_DIR}/Backends
+    ${LUA_INCLUDE_DIR}
+)
+
+target_link_libraries(mosis-designer PRIVATE
+    glfw
+    freetype
+    PNG::PNG
+    RmlUi::RmlUi
+    RmlUi::Lua
+    nlohmann_json::nlohmann_json
+)
+
+target_compile_definitions(mosis-designer PRIVATE
+    MOSIS_PLATFORM_DESKTOP
+    RMLUI_STATIC_LIB
+)
+
+# Platform-specific libraries
+if(WIN32)
+    target_link_libraries(mosis-designer PRIVATE opengl32)
+elseif(APPLE)
+    find_library(OPENGL_LIBRARY OpenGL)
+    target_link_libraries(mosis-designer PRIVATE ${OPENGL_LIBRARY})
+else()
+    find_package(OpenGL REQUIRED)
+    target_link_libraries(mosis-designer PRIVATE OpenGL::GL)
+endif()
+
+# Copy assets for development
+add_custom_command(TARGET mosis-designer POST_BUILD
+    COMMAND ${CMAKE_COMMAND} -E copy_directory
+        ${CMAKE_CURRENT_SOURCE_DIR}/../src/main/assets
+        $<TARGET_FILE_DIR:mosis-designer>/assets
+)