ON_ENTER_SP
0xD7C10C4A637992C9
0x8BF60FC3
// OnEnterSp
void ON_ENTER_SP();
Unloads GROUP_MAP (GTAO/MP) DLC data and loads GROUP_MAP_SP DLC. Neither are loaded by default, 0888C3502DBBEEF5 is a cognate to this function and loads MP DLC (and unloads SP DLC by extension).
The original (and wrong) definition is below:
This unload the GTA:O DLC map parts (like high end garages/apartments).
Works in singleplayer.
Old name: _LOAD_SP_DLC_MAPS