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Forced biking or surfing map handling functions

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hg-commit-id: 7980878962c4
This commit is contained in:
xeons 2012-03-30 21:36:54 -05:00
parent 76311b6e54
commit 17d6c0d0f7
2 changed files with 83 additions and 5 deletions
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3
extras/gbz80disasm.py
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@ -604,7 +604,8 @@ def output_bank_opcodes(original_offset, max_byte_count=0x4000):
bank_id = 0 bank_id = 0
if original_offset > 0x8000: if original_offset > 0x8000:
bank_id = original_offset / 0x4000 bank_id = original_offset / 0x4000
print "bank id is: " + str(bank_id) #print "bank id is: " + str(bank_id)
print "Function{0:x}:".format(original_offset);
last_hl_address = None #for when we're scanning the main map script last_hl_address = None #for when we're scanning the main map script
last_a_address = None last_a_address = None

85
main.asm
View file

@ -470,8 +470,8 @@ EnterMap: ; 3A6
call Bankswitch ; display fly/teleport in graphical effect call Bankswitch ; display fly/teleport in graphical effect
call $2429 ; move sprites call $2429 ; move sprites
.didNotFlyOrTeleportIn\@ .didNotFlyOrTeleportIn\@
ld b,$03 ld b,BANK(CheckForceBikeOrSurf)
ld hl,$438b ld hl,CheckForceBikeOrSurf
call Bankswitch ; handle currents in SF islands and forced bike riding in cycling road call Bankswitch ; handle currents in SF islands and forced bike riding in cycling road
ld hl,$d72d ld hl,$d72d
res 5,[hl] res 5,[hl]
@ -2849,8 +2849,17 @@ SwitchToMapRomBank: ; 12BC
pop bc pop bc
pop hl pop hl
ret ret
INCBIN "baserom.gbc",$12DA,$12ED-$12DA
INCBIN "baserom.gbc",$12DA,$12F8 - $12DA ;appears to be called twice inside function $C38B
;if $d700,$d11a == $1 then biking
;if $d700,$d11a == $2 then surfing
ForceBikeOrSurf: ; 12ED
ld b,5 ;graphics bank 5
ld hl,LoadPlayerSpriteGraphics ;load player sprite graphics
call Bankswitch ;loads bank 5 and then calls LoadPlayerSpriteGraphics
jp $2307 ;update map/player state?
; this is used to check if the player wants to interrupt the opening sequence at several points ; this is used to check if the player wants to interrupt the opening sequence at several points
; XXX is this used anywhere else? ; XXX is this used anywhere else?
@ -10795,7 +10804,75 @@ MapHeaderBanks: ; 423D
db BANK(Bruno_h) db BANK(Bruno_h)
db BANK(Agatha_h) db BANK(Agatha_h)
INCBIN "baserom.gbc",$C335,$C766-$C335 INCBIN "baserom.gbc",$C335,$C38B-$C335
CheckForceBikeOrSurf: ; C38B
ld hl, $D732
bit 5, [hl]
ret nz
ld hl, ForcedBikeSurfMaps
ld a, [W_YCOORD]
ld b, a
ld a, [W_XCOORD]
ld c, a
ld a, [W_CURMAP]
ld d, a
.loop\0
ld a, [hli]
cp $ff
ret z ;if we reach FF then it's not part of the list
cp d ;compare to current map
jr nz, .incorrectMap\0
ld a, [hli]
cp b ;compare y-coord
jr nz, .incorrectY\0
ld a, [hli]
cp c ;compare x-coord
jr nz, .loop\0 ; incorrect x-coord, check next item
ld a, [W_CURMAP]
cp SEAFOAM_ISLANDS_4
ld a, $2
ld [$d666], a
jr z, .forceSurfing\0
ld a, [$d35e]
cp SEAFOAM_ISLANDS_5
ld a, $2
ld [$d668], a
jr z, .forceSurfing\0
;force bike riding
ld hl, $d732
set 5, [hl]
ld a, $1
ld [$d700], a
ld [$d11a], a
jp ForceBikeOrSurf
.incorrectMap\0
inc hl
.incorrectY\0
inc hl
jr .loop\0
.forceSurfing\0
ld a, $2
ld [$d700], a
ld [$d11a], a
jp ForceBikeOrSurf
; 0xc3e6
ForcedBikeSurfMaps: ;C3e6
; map id, y, x
db ROUTE_16,$0A,$11
db ROUTE_16,$0B,$11
db ROUTE_18,$08,$21
db ROUTE_18,$09,$21
db SEAFOAM_ISLANDS_4,$07,$12
db SEAFOAM_ISLANDS_4,$07,$13
db SEAFOAM_ISLANDS_5,$0E,$04
db SEAFOAM_ISLANDS_5,$0E,$05
db $FF ;end
; 0xc3ff
INCBIN "baserom.gbc",$C3FF,$C766-$C3FF
ld hl, TilesetsHeadPtr ld hl, TilesetsHeadPtr
INCBIN "baserom.gbc",$C769,$C7BE-$C769 INCBIN "baserom.gbc",$C769,$C7BE-$C769