Decompile more of AdventureFlags.cpp (#118)

* fix flags getters and associated relocs

* explicit ARM and improve existing matches

* match CopyTo

* document a bit the flag system and progress on unmatched functions

* remaining bottom functions

* func_ov00_02097810 params and name fix

* fix build issues

* move flag base definition to its own file

* document item flags

---------

Co-authored-by: Yanis002 <Yanis002@users.noreply.github.com>
Co-authored-by: Aetias <aetias@outlook.com>

include/Map/MapManager.hpp

@@ -8,6 +8,7 @@
 #include "Map/Course.hpp"
 #include "Map/MapBase.hpp"
 #include "Physics/AABB.hpp"
+#include "Save/AdventureFlags.hpp"
 #include "System/SysNew.hpp"
 
 struct MapManager_Unk1 {
@@ -245,6 +246,7 @@ public:
                             Vec3p *param_8);
     bool func_ov00_02086a84(s32 *param_2, Vec3p *param_3, Vec3p *param_4, s32 param_5, s32 param_6, unk32 param_7,
                             Vec3p *param_8, Vec3p *param_9);
+    void func_ov000_02098d34(FlagsUnk2 *param1);
 
     MapManager();
     ~MapManager();