ported battle_controller_player from pokeem and matched several new functions

include/battle_script_commands.h

@@ -61,6 +61,7 @@ void BattleCreateYesNoCursorAt(u8 cursorPosition);
 void BufferMoveToLearnIntoBattleTextBuff2(void);
 void HandleBattleWindow(u8 xStart, u8 yStart, u8 xEnd, u8 yEnd, u8 flags);
 bool8 UproarWakeUpCheck(u8 bank);
+bool32 IsMonGettingExpSentOut(void);
 
 extern void (* const gBattleScriptingCommandsTable[])(void);
 extern const u8 gUnknown_0831C494[][4];