Minor fixes in trainer_battle.inc

data/scripts/trainer_battle.inc

@@ -44,7 +44,7 @@ EventScript_NotEnoughMonsForDoubleBattle:: @ 82713BA
 EventScript_NoDoubleTrainerBattle:: @ 82713C1
 	gotopostbattlescript
 
-EventScript_DoTainerBattle:: @ 82713C2
+EventScript_DoNoIntroTrainerBattle:: @ 82713C2
 	applymovement VAR_LAST_TALKED, Movement_RevealTrainer
 	waitmovement 0
 	special SetUpTrainerEncounterMusic
@@ -54,7 +54,7 @@ EventScript_DoTainerBattle:: @ 82713C2
 EventScript_TryDoRematchBattle:: @ 82713D1
 	call EventScript_RevealTrainer
 	specialvar VAR_RESULT, IsTrainerReadyForRematch
-	compare VAR_RESULT, 0
+	compare VAR_RESULT, FALSE
 	goto_if_eq EventScript_NoRematchTrainerBattle
 	special SetUpTrainerEncounterMusic
 	special SetUpTrainerMovement
@@ -70,7 +70,7 @@ EventScript_NoRematchTrainerBattle:: @ 82713F7
 
 EventScript_TryDoDoubleRematchBattle:: @ 82713F8
 	specialvar VAR_RESULT, IsTrainerReadyForRematch
-	compare VAR_RESULT, 0
+	compare VAR_RESULT, FALSE
 	goto_if_eq EventScript_NoDoubleRematchTrainerBattle
 	special HasEnoughMonsForDoubleBattle
 	compare VAR_RESULT, PLAYER_HAS_TWO_USABLE_MONS
@@ -113,7 +113,7 @@ EventScript_ShowTrainerIntroMsg:: @ 827143C
 
 EventScript_DoTrainerBattle:: @ 8271454
 	trainerbattlebegin
-	@ Pointless check, possibly used for debugging?
+	@ Below battle mode check only needed in FRLG
 	specialvar VAR_RESULT, GetTrainerBattleMode
 	compare VAR_RESULT, TRAINER_BATTLE_SINGLE
 	goto_if_eq EventScript_EndTrainerBattle
@@ -125,7 +125,6 @@ EventScript_DoTrainerBattle:: @ 8271454
 	goto_if_eq EventScript_EndTrainerBattle
 	compare VAR_RESULT, TRAINER_BATTLE_CONTINUE_SCRIPT_DOUBLE_NO_MUSIC
 	goto_if_eq EventScript_EndTrainerBattle
-
 EventScript_EndTrainerBattle:: @ 8271491
 	gotobeatenscript
 	releaseall