feat(Core/Hooks): added collection of hooks to extends AC (#3047)

This collection of hooks comes from the Maelstrom project. It allows to release modules such as :
- 3v3-soloqueue
- 1v1 arena
- pvestats

and many others

src/cmake/ac_macros.cmake

@@ -5,6 +5,22 @@ MACRO(AC_ADD_SCRIPT path)
     CU_ADD_GLOBAL("AC_SCRIPTS_SOURCES" "${path}")
 ENDMACRO()
 
+#
+# AC_ADD_SCRIPTS
+#
+# This macro can be used to automatically load scripts for the ScriptMgr
+# from a specified folder, instead of manually list them within the cmake
+# NOTE: you must still manually specify the script loader header
+#
+
+MACRO(AC_ADD_SCRIPTS path)
+CU_SUBDIRLIST(sub_DIRS ${path} TRUE TRUE)
+FOREACH(subdir ${sub_DIRS})
+  file(GLOB sources "${subdir}/*.cpp" "${subdir}/*.h")
+    CU_LIST_ADD_CACHE(scripts_STAT_SRCS "${sources}")
+ENDFOREACH()
+ENDMACRO()
+
 #
 # AC_ADD_SCRIPT_LOADER
 #