Identify battle animation functions
Also commented the use of the field surrounding the struct initialization functions. SPRITEANIMSTRUCT_0C -> SPRITEANIMSTRUCT_VAR1 SPRITEANIMSTRUCT_0D -> SPRITEANIMSTRUCT_VAR2 SPRITEANIMSTRUCT_0E -> SPRITEANIMSTRUCT_VAR3 SPRITEANIMSTRUCT_0F -> SPRITEANIMSTRUCT_VAR4 BATTLEANIMSTRUCT_01 -> BATTLEANIMSTRUCT_OAMFLAGS BATTLEANIMSTRUCT_ANON_JT_INDEX -> BATTLEANIMSTRUCT_JUMPTABLE_INDEX BATTLEANIMSTRUCT_0F -> BATTLEANIMSTRUCT_VAR1 BATTLEANIMSTRUCT_10 -> BATTLEANIMSTRUCT_VAR2
This is useful to know where a certain frameset is used, through `grep`
This structure member is used for storing the parameter passed to `anim_obj`.