pokecrystal-board/engine/wildmons.asm

LoadWildMonData: ; 29ff8
	call _GrassWildmonLookup
	jr c, .copy
	ld hl, wMornEncounterRate
	xor a
	ld [hli], a
	ld [hli], a
	ld [hl], a
	jr .done_copy

.copy
	inc hl
	inc hl
	ld de, wMornEncounterRate
	ld bc, 3
	call CopyBytes
.done_copy
	call _WaterWildmonLookup
	ld a, 0
	jr nc, .no_copy
	inc hl
	inc hl
	ld a, [hl]
.no_copy
	ld [wWaterEncounterRate], a
	ret

FindNest: ; 2a01f
; Parameters:
; e: 0 = Johto, 1 = Kanto
; wNamedObjectIndexBuffer: species
	hlcoord 0, 0
	ld bc, SCREEN_WIDTH * SCREEN_HEIGHT
	xor a
	call ByteFill
	ld a, e
	and a
	jr nz, .kanto
	decoord 0, 0
	ld hl, JohtoGrassWildMons
	call .FindGrass
	ld hl, JohtoWaterWildMons
	call .FindWater
	call .RoamMon1
	call .RoamMon2
	ret

.kanto
	decoord 0, 0
	ld hl, KantoGrassWildMons
	call .FindGrass
	ld hl, KantoWaterWildMons
	jp .FindWater
; 2a052

.FindGrass: ; 2a052
	ld a, [hl]
	cp -1
	ret z
	push hl
	ld a, [hli]
	ld b, a
	ld a, [hli]
	ld c, a
rept 3
	inc hl
endr
	ld a, NUM_WILDMONS_PER_AREA_TIME_OF_DAY * 3
	call .SearchMapForMon
	jr nc, .next_grass
	ld [de], a
	inc de

.next_grass
	pop hl
	ld bc, WILDMON_GRASS_STRUCTURE_LENGTH
	add hl, bc
	jr .FindGrass
; 2a06e

.FindWater: ; 2a06e
	ld a, [hl]
	cp -1
	ret z
	push hl
	ld a, [hli]
	ld b, a
	ld a, [hli]
	ld c, a
	inc hl
	ld a, 3
	call .SearchMapForMon
	jr nc, .next_water
	ld [de], a
	inc de

.next_water
	pop hl
	ld bc, 3 * 3
	add hl, bc
	jr .FindWater
; 2a088

.SearchMapForMon: ; 2a088
	inc hl
.ScanMapLoop
	push af
	ld a, [wNamedObjectIndexBuffer]
	cp [hl]
	jr z, .found
rept 2
	inc hl
endr
	pop af
	dec a
	jr nz, .ScanMapLoop
	and a
	ret

.found
	pop af
	jp .AppendNest
; 2a09c

.AppendNest: ; 2a09c
	push de
	call GetWorldMapLocation
	ld c, a
	hlcoord 0, 0
	ld de, SCREEN_WIDTH * SCREEN_HEIGHT
.AppendNestLoop
	ld a, [hli]
	cp c
	jr z, .found_nest
	dec de
	ld a, e
	or d
	jr nz, .AppendNestLoop
	ld a, c
	pop de
	scf
	ret

.found_nest
	pop de
	and a
	ret
; 2a0b7

.RoamMon1: ; 2a0b7
	ld a, [wRoamMon1Species]
	ld b, a
	ld a, [wNamedObjectIndexBuffer]
	cp b
	ret nz
	ld a, [wRoamMon1MapGroup]
	ld b, a
	ld a, [wRoamMon1MapNumber]
	ld c, a
	call .AppendNest
	ret nc
	ld [de], a
	inc de
	ret
; 2a0cf

.RoamMon2: ; 2a0cf
	ld a, [wRoamMon2Species]
	ld b, a
	ld a, [wNamedObjectIndexBuffer]
	cp b
	ret nz
	ld a, [wRoamMon2MapGroup]
	ld b, a
	ld a, [wRoamMon2MapNumber]
	ld c, a
	call .AppendNest
	ret nc
	ld [de], a
	inc de
	ret
; 2a0e7

TryWildEncounter:: ; 2a0e7
; Try to trigger a wild encounter.
	call .EncounterRate
	jr nc, .no_battle
	call ChooseWildEncounter
	jr nz, .no_battle
	call CheckRepelEffect
	jr nc, .no_battle
	xor a
	ret

.no_battle
	xor a ; BATTLETYPE_NORMAL
	ld [TempWildMonSpecies], a
	ld [BattleType], a
	ld a, 1
	and a
	ret
; 2a103

.EncounterRate: ; 2a103
	call GetMapEncounterRate
	call ApplyMusicEffectOnEncounterRate
	call ApplyCleanseTagEffectOnEncounterRate
	call Random
	cp b
	ret
; 2a111

GetMapEncounterRate: ; 2a111
	ld hl, wMornEncounterRate
	call CheckOnWater
	ld a, 3
	jr z, .ok
	ld a, [TimeOfDay]
.ok
	ld c, a
	ld b, 0
	add hl, bc
	ld b, [hl]
	ret
; 2a124

ApplyMusicEffectOnEncounterRate:: ; 2a124
; Pokemon March and Ruins of Alph signal double encounter rate.
; Pokemon Lullaby halves encounter rate.
	ld a, [wMapMusic]
	cp MUSIC_POKEMON_MARCH
	jr z, .double
	cp MUSIC_RUINS_OF_ALPH_RADIO
	jr z, .double
	cp MUSIC_POKEMON_LULLABY
	ret nz
	srl b
	ret

.double
	sla b
	ret
; 2a138

ApplyCleanseTagEffectOnEncounterRate:: ; 2a138
; Cleanse Tag halves encounter rate.
	ld hl, PartyMon1Item
	ld de, PARTYMON_STRUCT_LENGTH
	ld a, [PartyCount]
	ld c, a
.loop
	ld a, [hl]
	cp CLEANSE_TAG
	jr z, .cleansetag
	add hl, de
	dec c
	jr nz, .loop
	ret

.cleansetag
	srl b
	ret
; 2a14f

ChooseWildEncounter: ; 2a14f
	call LoadWildMonDataPointer
	jp nc, .nowildbattle
	call CheckEncounterRoamMon
	jp c, .startwildbattle

rept 3
	inc hl
endr
	call CheckOnWater
	ld de, .WaterMonTable
	jr z, .watermon
rept 2
	inc hl
endr
	ld a, [TimeOfDay]
	ld bc, $e
	call AddNTimes
	ld de, .GrassMonTable

.watermon
; hl contains the pointer to the wild mon data, let's save that to the stack
	push hl
.randomloop
	call Random
	cp 100
	jr nc, .randomloop
	inc a ; 1 <= a <= 100
	ld b, a
	ld h, d
	ld l, e
; This next loop chooses which mon to load up.
.prob_bracket_loop
	ld a, [hli]
	cp b
	jr nc, .got_it
	inc hl
	jr .prob_bracket_loop

.got_it
	ld c, [hl]
	ld b, 0
	pop hl
	add hl, bc ; this selects our mon
	ld a, [hli]
	ld b, a
; If the Pokemon is encountered by surfing, we need to give the levels some variety.
	call CheckOnWater
	jr nz, .ok
; Check if we buff the wild mon, and by how much.
	call Random
	cp 35 percent
	jr c, .ok
	inc b
	cp 65 percent
	jr c, .ok
	inc b
	cp 85 percent
	jr c, .ok
	inc b
	cp 95 percent
	jr c, .ok
	inc b
; Store the level
.ok
	ld a, b
	ld [CurPartyLevel], a
	ld b, [hl]
	; ld a, b
	call ValidateTempWildMonSpecies
	jr c, .nowildbattle

	ld a, b ; This is in the wrong place.
	cp UNOWN
	jr nz, .done

	ld a, [UnlockedUnowns]
	and a
	jr z, .nowildbattle

.done
	jr .loadwildmon

.nowildbattle
	ld a, 1
	and a
	ret

.loadwildmon
	ld a, b
	ld [TempWildMonSpecies], a

.startwildbattle
	xor a
	ret
; 2a1cb

.GrassMonTable: ; 2a1cb
	db 30,  $0 ; 30% chance
	db 60,  $2 ; 30% chance
	db 80,  $4 ; 20% chance
	db 90,  $6 ; 10% chance
	db 95,  $8 ;  5% chance
	db 99,  $a ;  4% chance
	db 100, $c ;  1% chance
; 2a1d9

.WaterMonTable: ; 2a1d9
	db 60,  $0 ; 60% chance
	db 90,  $2 ; 30% chance
	db 100, $4 ; 10% chance
; 2a1df

CheckRepelEffect:: ; 2a1df
; If there is no active Repel, there's no need to be here.
	ld a, [wRepelEffect]
	and a
	jr z, .encounter
; Get the first Pokemon in your party that isn't fainted.
	ld hl, PartyMon1HP
	ld bc, PARTYMON_STRUCT_LENGTH - 1
.loop
	ld a, [hli]
	or [hl]
	jr nz, .ok
	add hl, bc
	jr .loop

.ok
; to PartyMonLevel
rept 4
	dec hl
endr

	ld a, [CurPartyLevel]
	cp [hl]
	jr nc, .encounter
	and a
	ret

.encounter
	scf
	ret
; 2a200

LoadWildMonDataPointer: ; 2a200
	call CheckOnWater
	jr z, _WaterWildmonLookup

_GrassWildmonLookup: ; 2a205
	ld hl, SwarmGrassWildMons
	ld bc, GRASS_WILDDATA_LENGTH
	call _SwarmWildmonCheck
	ret c
	ld hl, JohtoGrassWildMons
	ld de, KantoGrassWildMons
	call _JohtoWildmonCheck
	ld bc, GRASS_WILDDATA_LENGTH
	jr _NormalWildmonOK

_WaterWildmonLookup: ; 2a21d
	ld hl, SwarmWaterWildMons
	ld bc, WATER_WILDDATA_LENGTH
	call _SwarmWildmonCheck
	ret c
	ld hl, JohtoWaterWildMons
	ld de, KantoWaterWildMons
	call _JohtoWildmonCheck
	ld bc, WATER_WILDDATA_LENGTH
	jr _NormalWildmonOK

_JohtoWildmonCheck
	call IsInJohto
	and a
	ret z
	ld h, d
	ld l, e
	ret

_SwarmWildmonCheck
	call CopyCurrMapDE
	push hl
	ld hl, SwarmFlags
	bit 2, [hl]
	pop hl
	jr z, .CheckYanma
	ld a, [wDunsparceMapGroup]
	cp d
	jr nz, .CheckYanma
	ld a, [wDunsparceMapNumber]
	cp e
	jr nz, .CheckYanma
	call LookUpWildmonsForMapDE
	jr nc, _NoSwarmWildmon
	scf
	ret

.CheckYanma
	push hl
	ld hl, SwarmFlags
	bit 3, [hl]
	pop hl
	jr z, _NoSwarmWildmon
	ld a, [wYanmaMapGroup]
	cp d
	jr nz, _NoSwarmWildmon
	ld a, [wYanmaMapNumber]
	cp e
	jr nz, _NoSwarmWildmon
	call LookUpWildmonsForMapDE
	jr nc, _NoSwarmWildmon
	scf
	ret

_NoSwarmWildmon
	and a
	ret

_NormalWildmonOK
	call CopyCurrMapDE
	jr LookUpWildmonsForMapDE
; 2a27f

CopyCurrMapDE: ; 2a27f
	ld a, [MapGroup]
	ld d, a
	ld a, [MapNumber]
	ld e, a
	ret
; 2a288

LookUpWildmonsForMapDE: ; 2a288
	push hl
	ld a, [hl]
	inc a
	jr z, .nope
	ld a, d
	cp [hl]
	jr nz, .next
	inc hl
	ld a, e
	cp [hl]
	jr z, .yup

.next
	pop hl
	add hl, bc
	jr LookUpWildmonsForMapDE

.nope
	pop hl
	and a
	ret

.yup
	pop hl
	scf
	ret
; 2a2a0


InitRoamMons: ; 2a2a0
; initialize wRoamMon structs

; species
	ld a, RAIKOU
	ld [wRoamMon1Species], a
	ld a, ENTEI
	ld [wRoamMon2Species], a
;	ld a, SUICUNE
;	ld [wRoamMon3Species], a

; level
	ld a, 40
	ld [wRoamMon1Level], a
	ld [wRoamMon2Level], a
;	ld [wRoamMon3Level], a

; raikou starting map
	ld a, GROUP_ROUTE_42
	ld [wRoamMon1MapGroup], a
	ld a, MAP_ROUTE_42
	ld [wRoamMon1MapNumber], a

; entei starting map
	ld a, GROUP_ROUTE_37
	ld [wRoamMon2MapGroup], a
	ld a, MAP_ROUTE_37
	ld [wRoamMon2MapNumber], a

; suicune starting map
;	ld a, GROUP_ROUTE_38
;	ld [wRoamMon3MapGroup], a
;	ld a, MAP_ROUTE_38
;	ld [wRoamMon3MapNumber], a

; hp
	xor a ; generate new stats
	ld [wRoamMon1HP], a
	ld [wRoamMon2HP], a
;	ld [wRoamMon3HP], a

	ret
; 2a2ce


CheckEncounterRoamMon: ; 2a2ce
	push hl
; Don't trigger an encounter if we're on water.
	call CheckOnWater
	jr z, .DontEncounterRoamMon
; Load the current map group and number to de
	call CopyCurrMapDE
; Randomly select a beast.
	call Random
	cp 100 ; 25/64 chance
	jr nc, .DontEncounterRoamMon
	and %00000011 ; Of that, a 3/4 chance.  Running total: 75/256, or around 29.3%.
	jr z, .DontEncounterRoamMon
	dec a ; 1/3 chance that it's Entei, 1/3 chance that it's Raikou
; Compare its current location with yours
	ld hl, wRoamMon1MapGroup
	ld c, a
	ld b, 0
	ld a, 7 ; length of the RoamMon struct
	call AddNTimes
	ld a, d
	cp [hl]
	jr nz, .DontEncounterRoamMon
	inc hl
	ld a, e
	cp [hl]
	jr nz, .DontEncounterRoamMon
; We've decided to take on a beast, so stage its information for battle.
rept 3
	dec hl
endr
	ld a, [hli]
	ld [TempWildMonSpecies], a
	ld a, [hl]
	ld [CurPartyLevel], a
	ld a, BATTLETYPE_ROAMING
	ld [BattleType], a

	pop hl
	scf
	ret

.DontEncounterRoamMon
	pop hl
	and a
	ret
; 2a30d


UpdateRoamMons: ; 2a30d
	ld a, [wRoamMon1MapGroup]
	cp GROUP_N_A
	jr z, .SkipRaikou
	ld b, a
	ld a, [wRoamMon1MapNumber]
	ld c, a
	call .Update
	ld a, b
	ld [wRoamMon1MapGroup], a
	ld a, c
	ld [wRoamMon1MapNumber], a

.SkipRaikou
	ld a, [wRoamMon2MapGroup]
	cp GROUP_N_A
	jr z, .SkipEntei
	ld b, a
	ld a, [wRoamMon2MapNumber]
	ld c, a
	call .Update
	ld a, b
	ld [wRoamMon2MapGroup], a
	ld a, c
	ld [wRoamMon2MapNumber], a

.SkipEntei
	ld a, [wRoamMon3MapGroup]
	cp GROUP_N_A
	jr z, .SkipSuicune
	ld b, a
	ld a, [wRoamMon3MapNumber]
	ld c, a
	call .Update
	ld a, b
	ld [wRoamMon3MapGroup], a
	ld a, c
	ld [wRoamMon3MapNumber], a

.SkipSuicune
	jp _BackUpMapIndices
; 2a355


.Update: ; 2a355
	ld hl, RoamMaps
.loop
; Are we at the end of the table?
	ld a, [hl]
	cp -1
	ret z
; Is this the correct entry?
	ld a, b
	cp [hl]
	jr nz, .next
	inc hl
	ld a, c
	cp [hl]
	jr z, .yes
; We don't have the correct entry yet, so let's continue.  A 0 terminates each entry.
.next
	ld a, [hli]
	and a
	jr nz, .next
	jr .loop

; We have the correct entry now, so let's choose a random map from it.
.yes
	inc hl
	ld d, h
	ld e, l
.update_loop
	ld h, d
	ld l, e
; Choose which map to warp to.
	call Random
	and $1f ; 1/8n chance it moves to a completely random map, where n is the number of roaming connections from the current map.
	jr z, JumpRoamMon
	and 3
	cp [hl]
	jr nc, .update_loop ; invalid index, try again
	inc hl
	ld c, a
	ld b, $0
rept 2
	add hl, bc
endr
	ld a, [wRoamMons_LastMapGroup]
	cp [hl]
	jr nz, .done
	inc hl
	ld a, [wRoamMons_LastMapNumber]
	cp [hl]
	jr z, .update_loop
	dec hl

.done
	ld a, [hli]
	ld b, a
	ld c, [hl]
	ret

JumpRoamMons: ; 2a394
	ld a, [wRoamMon1MapGroup]
	cp GROUP_N_A
	jr z, .SkipRaikou
	call JumpRoamMon
	ld a, b
	ld [wRoamMon1MapGroup], a
	ld a, c
	ld [wRoamMon1MapNumber], a
.SkipRaikou

	ld a, [wRoamMon2MapGroup]
	cp GROUP_N_A
	jr z, .SkipEntei
	call JumpRoamMon
	ld a, b
	ld [wRoamMon2MapGroup], a
	ld a, c
	ld [wRoamMon2MapNumber], a
.SkipEntei

	ld a, [wRoamMon3MapGroup]
	cp GROUP_N_A
	jr z, .SkipSuicune
	call JumpRoamMon
	ld a, b
	ld [wRoamMon3MapGroup], a
	ld a, c
	ld [wRoamMon3MapNumber], a
.SkipSuicune

	jp _BackUpMapIndices

JumpRoamMon: ; 2a3cd
.loop
	ld hl, RoamMaps
.innerloop1 ; This loop is completely unnecessary.
	call Random ; Choose a random number
	and $f ; Take the lower nybble only.  This gives a number between 0 and 15.
	cp $10 ; If the number is greater than or equal to 16, loop back and try again.
	jr nc, .innerloop1 ; I'm sure you can guess why this check is bogus.
	inc a
	ld b, a
.innerloop2 ; Loop to get hl to the address of the chosen roam map.
	dec b
	jr z, .ok
.innerloop3 ; Loop to skip the current roam map, which is terminated by a 0.
	ld a, [hli]
	and a
	jr nz, .innerloop3
	jr .innerloop2
; Check to see if the selected map is the one the player is currently in.  If so, try again.
.ok
	ld a, [MapGroup]
	cp [hl]
	jr nz, .done
	inc hl
	ld a, [MapNumber]
	cp [hl]
	jr z, .loop
	dec hl
; Return the map group and number in bc.
.done
	ld a, [hli]
	ld b, a
	ld c, [hl]
	ret
; 2a3f6

_BackUpMapIndices: ; 2a3f6
	ld a, [wRoamMons_CurrentMapNumber]
	ld [wRoamMons_LastMapNumber], a
	ld a, [wRoamMons_CurrentMapGroup]
	ld [wRoamMons_LastMapGroup], a
	ld a, [MapNumber]
	ld [wRoamMons_CurrentMapNumber], a
	ld a, [MapGroup]
	ld [wRoamMons_CurrentMapGroup], a
	ret
; 2a40f

RoamMaps: ; 2a40f
; Maps that roaming monsters can be on,
; and possible maps they can jump to.
; Notably missing are Route 40 and
; Route 41, which are water routes.
	roam_map ROUTE_29, 2, ROUTE_30, ROUTE_46
	roam_map ROUTE_30, 2, ROUTE_29, ROUTE_31
	roam_map ROUTE_31, 3, ROUTE_30, ROUTE_32, ROUTE_36
	roam_map ROUTE_32, 3, ROUTE_36, ROUTE_31, ROUTE_33
	roam_map ROUTE_33, 2, ROUTE_32, ROUTE_34
	roam_map ROUTE_34, 2, ROUTE_33, ROUTE_35
	roam_map ROUTE_35, 2, ROUTE_34, ROUTE_36
	roam_map ROUTE_36, 4, ROUTE_35, ROUTE_31, ROUTE_32, ROUTE_37
	roam_map ROUTE_37, 3, ROUTE_36, ROUTE_38, ROUTE_42
	roam_map ROUTE_38, 3, ROUTE_37, ROUTE_39, ROUTE_42
	roam_map ROUTE_39, 1, ROUTE_38
	roam_map ROUTE_42, 4, ROUTE_43, ROUTE_44, ROUTE_37, ROUTE_38
	roam_map ROUTE_43, 2, ROUTE_42, ROUTE_44
	roam_map ROUTE_44, 3, ROUTE_42, ROUTE_43, ROUTE_45
	roam_map ROUTE_45, 2, ROUTE_44, ROUTE_46
	roam_map ROUTE_46, 2, ROUTE_45, ROUTE_29
	db -1
; 2a4a0

ValidateTempWildMonSpecies: ; 2a4a0
; Due to a development oversight, this function is called with the wild Pokemon's level, not its species, in a.
	and a
	jr z, .nowildmon ; = 0
	cp NUM_POKEMON + 1 ; 252
	jr nc, .nowildmon ; >= 252
	and a ; 1 <= Species <= 251
	ret

.nowildmon
	scf
	ret
; 2a4ab

RandomPhoneRareWildMon: ; 2a4ab
; Related to the phone?
	callba GetCallerLocation
	ld d, b
	ld e, c
	ld hl, JohtoGrassWildMons
	ld bc, GRASS_WILDDATA_LENGTH
	call LookUpWildmonsForMapDE
	jr c, .GetGrassmon
	ld hl, KantoGrassWildMons
	call LookUpWildmonsForMapDE
	jr nc, .done

.GetGrassmon
	push hl
	ld bc, 5 + 4 * 2 ; Location of the level of the 5th wild Pokemon in that map
	add hl, bc
	ld a, [TimeOfDay]
	ld bc, 7 * 2
	call AddNTimes
.randloop1
	call Random
	and $3
	jr z, .randloop1
	dec a
	ld c, a
	ld b, $0
rept 2
	add hl, bc
endr
; We now have the pointer to one of the last (rarest) three wild Pokemon found in that area.
	inc hl
	ld c, [hl] ; Contains the species index of this rare Pokemon
	pop hl
	ld de, 5 + 0 * 2
	add hl, de
	inc hl ; Species index of the most common Pokemon on that route
	ld b, 4
.loop2
	ld a, [hli]
	cp c ; Compare this most common Pokemon with the rare one stored in c.
	jr z, .done
	inc hl
	dec b
	jr nz, .loop2
; This Pokemon truly is rare.
	push bc
	dec c
	ld a, c
	call CheckSeenMon
	pop bc
	jr nz, .done
; Since we haven't seen it, have the caller tell us about it.
	ld de, StringBuffer1
	call CopyName1
	ld a, c
	ld [wNamedObjectIndexBuffer], a
	call GetPokemonName
	ld hl, UnknownText_0x2a51a
	call PrintText
	xor a
	ld [ScriptVar], a
	ret

.done
	ld a, $1
	ld [ScriptVar], a
	ret
; 2a51a

UnknownText_0x2a51a: ; 0x2a51a
	; I just saw some rare @  in @ . I'll call you if I see another rare #MON, OK?
	text_jump UnknownText_0x1bd34b
	db "@"
; 0x2a51f

RandomPhoneWildMon: ; 2a51f
	callba GetCallerLocation
	ld d, b
	ld e, c
	ld hl, JohtoGrassWildMons
	ld bc, GRASS_WILDDATA_LENGTH
	call LookUpWildmonsForMapDE
	jr c, .ok
	ld hl, KantoGrassWildMons
	call LookUpWildmonsForMapDE

.ok
	ld bc, 5 + 0 * 2
	add hl, bc
	ld a, [TimeOfDay]
	inc a
	ld bc, 7 * 2
.loop
	dec a
	jr z, .done
	add hl, bc
	jr .loop

.done
	call Random
	and $3
	ld c, a
	ld b, $0
rept 2
	add hl, bc
endr
	inc hl
	ld a, [hl]
	ld [wNamedObjectIndexBuffer], a
	call GetPokemonName
	ld hl, StringBuffer1
	ld de, StringBuffer4
	ld bc, PKMN_NAME_LENGTH
	jp CopyBytes
; 2a567

RandomPhoneMon: ; 2a567
; Get a random monster owned by the trainer who's calling.
	callba GetCallerLocation
	ld hl, TrainerGroups
	ld a, d
	dec a
	ld c, a
	ld b, 0
rept 2
	add hl, bc
endr
	ld a, BANK(TrainerGroups)
	call GetFarHalfword

.skip_trainer
	dec e
	jr z, .skipped
.skip
	ld a, BANK(Trainers)
	call GetFarByte
	inc hl
	cp -1
	jr nz, .skip
	jr .skip_trainer
.skipped

.skip_name
	ld a, BANK(Trainers)
	call GetFarByte
	inc hl
	cp "@"
	jr nz, .skip_name

	ld a, BANK(Trainers)
	call GetFarByte
	inc hl
	ld bc, 2
	cp 0
	jr z, .got_mon_length
	ld bc, 2 + NUM_MOVES
	cp 1
	jr z, .got_mon_length
	ld bc, 2 + 1
	cp 2
	jr z, .got_mon_length
	ld bc, 2 + 1 + NUM_MOVES
.got_mon_length

	ld e, 0
	push hl
.count_mon
	inc e
	add hl, bc
	ld a, BANK(Trainers)
	call GetFarByte
	cp -1
	jr nz, .count_mon
	pop hl

.rand
	call Random
	and 7
	cp e
	jr nc, .rand

	inc a
.get_mon
	dec a
	jr z, .got_mon
	add hl, bc
	jr .get_mon
.got_mon

	inc hl ; species
	ld a, BANK(Trainers)
	call GetFarByte
	ld [wNamedObjectIndexBuffer], a
	call GetPokemonName
	ld hl, StringBuffer1
	ld de, StringBuffer4
	ld bc, PKMN_NAME_LENGTH
	jp CopyBytes
; 2a5e9


JohtoGrassWildMons: ; 0x2a5e9
INCLUDE "data/wild/johto_grass.asm"

JohtoWaterWildMons: ; 0x2b11d
INCLUDE "data/wild/johto_water.asm"

KantoGrassWildMons: ; 0x2b274
INCLUDE "data/wild/kanto_grass.asm"

KantoWaterWildMons: ; 0x2b7f7
INCLUDE "data/wild/kanto_water.asm"

SwarmGrassWildMons: ; 0x2b8d0
INCLUDE "data/wild/swarm_grass.asm"

SwarmWaterWildMons: ; 0x2b92f
INCLUDE "data/wild/swarm_water.asm"