arreglos en make i cmake per estandaritzar amb la resta de projectes

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

CMakeLists.txt

@@ -396,3 +396,35 @@ if(CPPCHECK_EXE)
 else()
     message(STATUS "cppcheck no encontrado - target 'cppcheck' no disponible")
 endif()
+
+# --- EINA STANDALONE: pack_resources ---
+# Executable auxiliar que empaqueta `data/` a `resources.pack`.
+# No es compila per defecte (EXCLUDE_FROM_ALL). Build explícit:
+#   cmake --build build --target pack_resources
+# Després executar: ./build/pack_resources data resources.pack
+if(NOT EMSCRIPTEN)
+    add_executable(pack_resources EXCLUDE_FROM_ALL
+        tools/pack_resources/pack_resources.cpp
+        source/core/resources/resource_pack.cpp
+    )
+    target_include_directories(pack_resources PRIVATE "${CMAKE_SOURCE_DIR}/source")
+    target_compile_options(pack_resources PRIVATE -Wall)
+
+    # Regeneració automàtica de resources.pack en cada build si canvia data/.
+    file(GLOB_RECURSE DATA_FILES CONFIGURE_DEPENDS "${CMAKE_SOURCE_DIR}/data/*")
+    set(RESOURCE_PACK "${CMAKE_SOURCE_DIR}/resources.pack")
+
+    add_custom_command(
+        OUTPUT ${RESOURCE_PACK}
+        COMMAND $<TARGET_FILE:pack_resources>
+            "${CMAKE_SOURCE_DIR}/data"
+            "${RESOURCE_PACK}"
+        DEPENDS pack_resources ${DATA_FILES}
+        WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
+        COMMENT "Empaquetant data/ → resources.pack"
+        VERBATIM
+    )
+
+    add_custom_target(resource_pack ALL DEPENDS ${RESOURCE_PACK})
+    add_dependencies(${PROJECT_NAME} resource_pack)
+endif()