[nostalgia] Collapse NostalgiaCore down to a single library and cleanup impl data access

src/nostalgia/core/CMakeLists.txt

@@ -1,7 +1,56 @@
+if(NOT NOSTALGIA_BUILD_TYPE STREQUAL "GBA")
+	find_package(glfw3 REQUIRED)
+	find_package(imgui REQUIRED)
+	if(APPLE)
+		find_package(OpenGL REQUIRED)
+	else()
+		set(OPENGL_gl_LIBRARY GL)
+	endif()
+	set(
+		NOSTALGIA_CORE_IMPL_SRC
+			glfw/clipboard.cpp
+			glfw/core.cpp
+			glfw/gfx.cpp
+			userland/gfx.cpp
+			userland/gfx_opengl.cpp
+			userland/media.cpp
+	)
+	set(
+		NOSTALGIA_CORE_IMPL_LIBS
+			${OPENGL_gl_LIBRARY}
+			glfw::glfw
+			imgui::imgui
+			imgui-glfw
+			NostalgiaGlUtils
+	)
+else()
+	enable_language(C ASM)
+	set_source_files_properties(core.arm.cpp irq.arm.cpp PROPERTIES COMPILE_FLAGS -marm)
+	set(
+		NOSTALGIA_CORE_IMPL_SRC
+			gba/bios.s
+			gba/core.arm.cpp
+			gba/core.cpp
+			gba/gfx.cpp
+			gba/irq.arm.cpp
+			gba/irq.s
+			gba/media.cpp
+			gba/panic.cpp
+	)
+	set(
+		NOSTALGIA_CORE_IMPL_LIBS
+			GbaStartup
+			OxFS
+			OxStd
+	)
+endif()
+
 add_library(
 	NostalgiaCore
+		context.cpp
 		gfx.cpp
 		media.cpp
+		${NOSTALGIA_CORE_IMPL_SRC}
 )
 
 if(NOT MSVC)
@@ -12,14 +61,9 @@ target_link_libraries(
 	NostalgiaCore PUBLIC
 		OxClaw
 		OxFS
+		${NOSTALGIA_CORE_IMPL_LIBS}
 )
 
-add_subdirectory(gba)
-if(NOSTALGIA_BUILD_TYPE STREQUAL "Native")
-	add_subdirectory(glfw)
-	#add_subdirectory(sdl)
-	add_subdirectory(userland)
-endif()
 if(NOSTALGIA_BUILD_STUDIO)
 	add_subdirectory(studio)
 endif()
@@ -32,6 +76,7 @@ install(
 		consts.hpp
 		context.hpp
 		core.hpp
+		event.hpp
 		gfx.hpp
 		input.hpp
 		media.hpp