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-rwxr-xr-xconstants/battle_tower_constants.asm6
-rw-r--r--data/battle_tower/classes.asm6
-rw-r--r--engine/events/battle_tower/load_trainer.asm13
-rw-r--r--engine/events/battle_tower/rules.asm6
4 files changed, 17 insertions, 14 deletions
diff --git a/constants/battle_tower_constants.asm b/constants/battle_tower_constants.asm
index 9961d42fd..ad119ddaa 100755
--- a/constants/battle_tower_constants.asm
+++ b/constants/battle_tower_constants.asm
@@ -44,6 +44,12 @@
BATTLETOWER_NROFPKMNS EQU 3
BATTLETOWER_NROFTRAINERS EQU 7
+BATTLETOWER_NUM_UNIQUE_TRAINERS EQU 70
+BATTLETOWER_TRAINER_MASK EQU %1111111
+
+BATTLETOWER_NUM_UNIQUE_PKMN EQU 21
+BATTLETOWER_PKMN_MASK EQU %11111
+
BATTLETOWER_TRAINERDATALENGTH EQU $24
BATTLE_TOWER_STRUCT_LENGTH EQU $e0 ; NAME_LENGTH + BATTLETOWER_NROFPKMNS * (PARTYMON_STRUCT_LENGTH + PKMN_NAME_LENGTH) + BATTLETOWER_TRAINERDATALENGTH
diff --git a/data/battle_tower/classes.asm b/data/battle_tower/classes.asm
index 96b1910da..5a148e6ec 100644
--- a/data/battle_tower/classes.asm
+++ b/data/battle_tower/classes.asm
@@ -23,9 +23,6 @@ BattleTowerTrainers: ; 1f814e
db "KAUFMAN@@@", SWIMMERM
db "LANCASTER@", SKIER
db "McMAHILL@@", CAMPER
-if !DEF(_CRYSTAL11)
-BattleTowerTrainersEnd:
-endc
; The following can only be sampled in Crystal 1.1.
db "OBRIEN@@@@", GENTLEMAN
db "FROST@@@@@", BEAUTY
@@ -76,7 +73,4 @@ endc
db "DYKSTRA@@@", SWIMMERF
db "EATON@@@@@", BIKER
db "WONG@@@@@@", FIREBREATHER
-if DEF(_CRYSTAL11)
-BattleTowerTrainersEnd:
-endc
; 1f8450
diff --git a/engine/events/battle_tower/load_trainer.asm b/engine/events/battle_tower/load_trainer.asm
index bf8b20a27..08571dcef 100644
--- a/engine/events/battle_tower/load_trainer.asm
+++ b/engine/events/battle_tower/load_trainer.asm
@@ -27,11 +27,14 @@ Function_LoadOpponentTrainerAndPokemons: ; 1f8000
add b
ld b, a ; b contains the nr of the trainer
if DEF(_CRYSTAL11)
- and $7f
+ and BATTLETOWER_TRAINER_MASK
+ cp BATTLETOWER_NUM_UNIQUE_TRAINERS
else
- and $1f
+; Crystal 1.0 used the wrong constants here, so only the first 21
+; trainers in BattleTowerTrainers can be sampled.
+ and BATTLETOWER_PKMN_MASK
+ cp BATTLETOWER_NUM_UNIQUE_PKMN
endc
- cp (BattleTowerTrainersEnd - BattleTowerTrainers) / NAME_LENGTH
jr nc, .resample
ld b, a
@@ -112,8 +115,8 @@ Function_LoadRandomBattleTowerPkmn: ; 1f8081
ld a, [hRandomAdd]
add b
ld b, a
- and $1f
- cp BATTLETOWER_NROFPKMNS * BATTLETOWER_NROFTRAINERS
+ and BATTLETOWER_PKMN_MASK
+ cp BATTLETOWER_NUM_UNIQUE_PKMN
jr nc, .resample
; in register 'a' is the chosen Pkmn of the LevelGroup
diff --git a/engine/events/battle_tower/rules.asm b/engine/events/battle_tower/rules.asm
index de6022145..8d037951b 100644
--- a/engine/events/battle_tower/rules.asm
+++ b/engine/events/battle_tower/rules.asm
@@ -213,7 +213,7 @@ BattleTower_ExecuteJumptable: ; 8b25b
BattleTower_CheckPartyLengthIs3: ; 8b2bb
ld a, [PartyCount]
- cp 3
+ cp BATTLETOWER_NROFPKMNS
ret
; 8b2c1
@@ -235,13 +235,13 @@ BattleTower_CheckPartyHasThreeMonsThatAreNotEggs: ; 8b2c1
cp b
ret z
ld a, b
- cp 3
+ cp BATTLETOWER_NROFPKMNS
ret
; 8b2da
Function_PartyCountEq3: ; 8b2da
ld a, [PartyCount]
- cp 3
+ cp BATTLETOWER_NROFPKMNS
ret z
scf
ret