mirror of https://github.com/pret/pokecrystal.git
2377 lines
30 KiB
NASM
2377 lines
30 KiB
NASM
; Functions dealing with rendering and interacting with maps.
|
|
|
|
Clearwc7e8:: ; 210f
|
|
ld hl, wc7e8
|
|
ld bc, $0018
|
|
ld a, $0
|
|
call ByteFill
|
|
ret
|
|
; 211b
|
|
|
|
CheckTriggers:: ; 211b
|
|
; Checks wCurrentMapTriggerPointer. If it's empty, returns -1 in a. Otherwise, returns the active trigger ID in a.
|
|
push hl
|
|
ld hl, wCurrentMapTriggerPointer
|
|
ld a, [hli]
|
|
ld h, [hl]
|
|
ld l, a
|
|
or h
|
|
ld a, [hl]
|
|
jr nz, .triggerexists
|
|
ld a, -1
|
|
|
|
.triggerexists
|
|
pop hl
|
|
ret
|
|
; 212a
|
|
|
|
GetCurrentMapTrigger:: ; 212a
|
|
; Grabs the wram map trigger pointer for the current map and loads it into wCurrentMapTriggerPointer.
|
|
; If there are no triggers, both bytes of wCurrentMapTriggerPointer are wiped clean.
|
|
; Copy the current map group and number into bc. This is needed for GetMapTrigger.
|
|
ld a, [MapGroup]
|
|
ld b, a
|
|
ld a, [MapNumber]
|
|
ld c, a
|
|
; Blank out wCurrentMapTriggerPointer; this is the default scenario.
|
|
xor a
|
|
ld [wCurrentMapTriggerPointer], a
|
|
ld [wCurrentMapTriggerPointer + 1], a
|
|
call GetMapTrigger
|
|
ret c ; The map is not in the trigger table
|
|
; Load the trigger table pointer from de into wCurrentMapTriggerPointer
|
|
ld a, e
|
|
ld [wCurrentMapTriggerPointer], a
|
|
ld a, d
|
|
ld [wCurrentMapTriggerPointer + 1], a
|
|
xor a
|
|
ret
|
|
; 2147
|
|
|
|
GetMapTrigger:: ; 2147
|
|
; Searches the trigger table for the map group and number loaded in bc, and returns the wram pointer in de.
|
|
; If the map is not in the trigger table, returns carry.
|
|
push bc
|
|
ld a, [hROMBank]
|
|
push af
|
|
ld a, BANK(MapTriggers)
|
|
rst Bankswitch
|
|
|
|
ld hl, MapTriggers
|
|
.loop
|
|
push hl
|
|
ld a, [hli] ; map group, or terminator
|
|
cp -1
|
|
jr z, .end ; the current map is not in the trigger table
|
|
cp b
|
|
jr nz, .next ; map group did not match
|
|
ld a, [hli] ; map number
|
|
cp c
|
|
jr nz, .next ; map number did not match
|
|
jr .found ; we found our map
|
|
|
|
.next
|
|
pop hl
|
|
ld de, 4 ; size of an entry in the trigger table
|
|
add hl, de
|
|
jr .loop
|
|
|
|
.end
|
|
scf
|
|
jr .done
|
|
|
|
.found
|
|
ld e, [hl]
|
|
inc hl
|
|
ld d, [hl]
|
|
|
|
.done
|
|
pop hl
|
|
pop bc
|
|
ld a, b
|
|
rst Bankswitch
|
|
|
|
pop bc
|
|
ret
|
|
; 2173
|
|
|
|
Function2173:: ; 2173
|
|
call Function217a
|
|
call FarCallSwapTextboxPalettes
|
|
ret
|
|
; 217a
|
|
|
|
Function217a:: ; 217a
|
|
ld a, [hROMBank]
|
|
push af
|
|
|
|
ld a, [TilesetBlocksBank]
|
|
rst Bankswitch
|
|
|
|
call Function2198
|
|
ld a, $60
|
|
hlcoord 0, 0
|
|
ld bc, TileMapEnd - TileMap
|
|
call ByteFill
|
|
|
|
ld a, BANK(Function4d15b)
|
|
rst Bankswitch
|
|
call Function4d15b
|
|
|
|
pop af
|
|
rst Bankswitch
|
|
ret
|
|
; 2198
|
|
|
|
Function2198:: ; 2198
|
|
ld a, [wd194]
|
|
ld e, a
|
|
ld a, [wd195]
|
|
ld d, a
|
|
ld hl, wEnemyMoveStruct
|
|
ld b, $5
|
|
|
|
.asm_21a5
|
|
push de
|
|
push hl
|
|
ld c, $6
|
|
|
|
.asm_21a9
|
|
push de
|
|
push hl
|
|
ld a, [de]
|
|
and a
|
|
jr nz, .asm_21b2
|
|
ld a, [MapBorderBlock]
|
|
|
|
.asm_21b2
|
|
ld e, l
|
|
ld d, h
|
|
add a
|
|
ld l, a
|
|
ld h, 0
|
|
rept 3
|
|
add hl,hl
|
|
endr
|
|
ld a, [TilesetBlocksAddress]
|
|
add l
|
|
ld l, a
|
|
ld a, [TilesetBlocksAddress + 1]
|
|
adc h
|
|
ld h, a
|
|
|
|
rept 3
|
|
rept 4
|
|
ld a, [hli]
|
|
ld [de], a
|
|
inc de
|
|
endr
|
|
|
|
ld a, e
|
|
add 20
|
|
ld e, a
|
|
jr nc, .next\@
|
|
inc d
|
|
.next\@
|
|
endr
|
|
|
|
rept 4
|
|
ld a, [hli]
|
|
ld [de], a
|
|
inc de
|
|
endr
|
|
|
|
pop hl
|
|
ld de, $0004
|
|
add hl, de
|
|
pop de
|
|
inc de
|
|
dec c
|
|
jp nz, .asm_21a9
|
|
pop hl
|
|
ld de, $0060
|
|
add hl, de
|
|
pop de
|
|
ld a, [MapWidth]
|
|
add $6
|
|
add e
|
|
ld e, a
|
|
jr nc, .asm_2225
|
|
inc d
|
|
|
|
.asm_2225
|
|
dec b
|
|
jp nz, .asm_21a5
|
|
ret
|
|
; 222a
|
|
|
|
Function222a:: ; 222a
|
|
ld a, $fa
|
|
ld [$ff9f], a
|
|
callba RunMapSetupScript
|
|
xor a
|
|
ld [$ff9f], a
|
|
ret
|
|
; 2238
|
|
|
|
Function2238:: ; 2238
|
|
call Function2252
|
|
ret nc
|
|
push bc
|
|
callba Function149af
|
|
pop bc
|
|
ret nc
|
|
call Function22a7
|
|
scf
|
|
ret
|
|
; 224a
|
|
|
|
|
|
|
|
Function224a:: ; 224a
|
|
call Function2252
|
|
ret nc
|
|
call Function22a7
|
|
ret
|
|
; 2252
|
|
|
|
Function2252:: ; 2252
|
|
callba Function1499a
|
|
ret nc
|
|
|
|
ld a, [hROMBank]
|
|
push af
|
|
|
|
call SwitchToMapScriptHeaderBank
|
|
call Function2266
|
|
|
|
pop de
|
|
ld a, d
|
|
rst Bankswitch
|
|
ret
|
|
; 2266
|
|
|
|
Function2266:: ; 2266
|
|
ld a, [MapY]
|
|
sub $4
|
|
ld e, a
|
|
ld a, [MapX]
|
|
sub $4
|
|
ld d, a
|
|
ld a, [wdbfb]
|
|
and a
|
|
ret z
|
|
ld c, a
|
|
ld hl, wdbfc
|
|
ld a, [hli]
|
|
ld h, [hl]
|
|
ld l, a
|
|
.asm_227e
|
|
push hl
|
|
ld a, [hli]
|
|
cp e
|
|
jr nz, .asm_2289
|
|
ld a, [hli]
|
|
cp d
|
|
jr nz, .asm_2289
|
|
jr .asm_2296
|
|
|
|
.asm_2289
|
|
pop hl
|
|
ld a, $5
|
|
add l
|
|
ld l, a
|
|
jr nc, .asm_2291
|
|
inc h
|
|
|
|
.asm_2291
|
|
dec c
|
|
jr nz, .asm_227e
|
|
xor a
|
|
ret
|
|
|
|
.asm_2296
|
|
pop hl
|
|
call Function22a3
|
|
ret nc
|
|
ld a, [wdbfb]
|
|
inc a
|
|
sub c
|
|
ld c, a
|
|
scf
|
|
ret
|
|
; 22a3
|
|
|
|
Function22a3:: ; 22a3
|
|
rept 2
|
|
inc hl
|
|
endr
|
|
scf
|
|
ret
|
|
; 22a7
|
|
|
|
Function22a7:: ; 22a7
|
|
ld a, [hROMBank]
|
|
push af
|
|
|
|
call SwitchToMapScriptHeaderBank
|
|
call Function22b4
|
|
|
|
pop af
|
|
rst Bankswitch
|
|
scf
|
|
ret
|
|
; 22b4
|
|
|
|
Function22b4:: ; 22b4
|
|
push bc
|
|
ld hl, wdbfc
|
|
ld a, [hli]
|
|
ld h, [hl]
|
|
ld l, a
|
|
ld a, c
|
|
dec a
|
|
ld bc, $0005
|
|
call AddNTimes
|
|
ld bc, $0002
|
|
add hl, bc
|
|
ld a, [hli]
|
|
cp $ff
|
|
jr nz, .asm_22d0
|
|
ld hl, wdcac
|
|
ld a, [hli]
|
|
|
|
.asm_22d0
|
|
pop bc
|
|
ld [wd146], a
|
|
ld a, [hli]
|
|
ld [wd147], a
|
|
ld a, [hli]
|
|
ld [wd148], a
|
|
ld a, c
|
|
ld [wd149], a
|
|
ld a, [MapGroup]
|
|
ld [wd14a], a
|
|
ld a, [MapNumber]
|
|
ld [wd14b], a
|
|
scf
|
|
ret
|
|
; 22ee
|
|
|
|
|
|
|
|
CheckOutdoorMap:: ; 22ee
|
|
cp ROUTE
|
|
ret z
|
|
cp TOWN
|
|
ret
|
|
; 22f4
|
|
|
|
CheckIndoorMap:: ; 22f4
|
|
cp INDOOR
|
|
ret z
|
|
cp CAVE
|
|
ret z
|
|
cp DUNGEON
|
|
ret z
|
|
cp GATE
|
|
ret
|
|
; 2300
|
|
|
|
Function2300:: ; 2300
|
|
cp INDOOR
|
|
ret z
|
|
cp GATE
|
|
ret z
|
|
cp $5
|
|
ret
|
|
; 2309
|
|
|
|
|
|
LoadMapAttributes:: ; 2309
|
|
call Function2326
|
|
call SwitchToMapScriptHeaderBank
|
|
call Function234f
|
|
xor a
|
|
call ReadMapEventHeader
|
|
ret
|
|
; 2317
|
|
|
|
LoadMapAttributes_IgnoreHidden:: ; 2317
|
|
call Function2326
|
|
call SwitchToMapScriptHeaderBank
|
|
call Function234f
|
|
ld a, $1
|
|
call ReadMapEventHeader
|
|
ret
|
|
; 2326
|
|
|
|
Function2326:: ; 2326
|
|
call Function2c3d
|
|
call SwitchToMapBank
|
|
call GetSecondaryMapHeaderPointer
|
|
call Function235c
|
|
call Function2368
|
|
ret
|
|
; 2336
|
|
|
|
ReadMapEventHeader:: ; 2336
|
|
push af
|
|
ld hl, MapEventHeaderPointer
|
|
ld a, [hli]
|
|
ld h, [hl]
|
|
ld l, a
|
|
rept 2
|
|
inc hl
|
|
endr
|
|
call ReadWarps
|
|
call ReadCoordEvents
|
|
call ReadSignposts
|
|
pop af
|
|
and a
|
|
ret nz
|
|
call ReadObjectEvents
|
|
ret
|
|
; 234f
|
|
|
|
Function234f:: ; 234f
|
|
ld hl, MapScriptHeaderPointer
|
|
ld a, [hli]
|
|
ld h, [hl]
|
|
ld l, a
|
|
call Function23ac
|
|
call Function23c3
|
|
ret
|
|
; 235c
|
|
|
|
Function235c:: ; 235c
|
|
ld de, MapHeader
|
|
ld c, $c
|
|
.asm_2361
|
|
ld a, [hli]
|
|
ld [de], a
|
|
inc de
|
|
dec c
|
|
jr nz, .asm_2361
|
|
ret
|
|
; 2368
|
|
|
|
Function2368:: ; 2368
|
|
ld a, $ff
|
|
ld [NorthConnectedMapGroup], a
|
|
ld [SouthConnectedMapGroup], a
|
|
ld [WestConnectedMapGroup], a
|
|
ld [EastConnectedMapGroup], a
|
|
|
|
ld a, [MapConnections]
|
|
ld b, a
|
|
|
|
bit 3, b
|
|
jr z, .asm_2384
|
|
ld de, NorthMapConnection
|
|
call GetMapConnection
|
|
.asm_2384
|
|
|
|
bit 2, b
|
|
jr z, .asm_238e
|
|
ld de, SouthMapConnection
|
|
call GetMapConnection
|
|
.asm_238e
|
|
|
|
bit 1, b
|
|
jr z, .asm_2398
|
|
ld de, WestMapConnection
|
|
call GetMapConnection
|
|
.asm_2398
|
|
|
|
bit 0, b
|
|
jr z, .asm_23a2
|
|
ld de, EastMapConnection
|
|
call GetMapConnection
|
|
.asm_23a2
|
|
|
|
ret
|
|
; 23a3
|
|
|
|
|
|
GetMapConnection:: ; 23a3
|
|
; Load map connection struct at hl into de.
|
|
ld c, SouthMapConnection - NorthMapConnection
|
|
.loop
|
|
ld a, [hli]
|
|
ld [de], a
|
|
inc de
|
|
dec c
|
|
jr nz, .loop
|
|
ret
|
|
; 23ac
|
|
|
|
|
|
Function23ac:: ; 23ac
|
|
ld a, [hli]
|
|
ld c, a
|
|
ld [wdc07], a
|
|
ld a, l
|
|
ld [wdc07 + 1], a
|
|
ld a, h
|
|
ld [wdc09], a
|
|
ld a, c
|
|
and a
|
|
ret z
|
|
ld bc, $0004
|
|
call AddNTimes
|
|
ret
|
|
; 23c3
|
|
|
|
Function23c3:: ; 23c3
|
|
ld a, [hli]
|
|
ld c, a
|
|
ld [wdc0a], a
|
|
ld a, l
|
|
ld [wdc0b], a
|
|
ld a, h
|
|
ld [wdc0b + 1], a
|
|
ld a, c
|
|
and a
|
|
ret z
|
|
ld bc, $0003
|
|
call AddNTimes
|
|
ret
|
|
; 23da
|
|
|
|
ReadWarps:: ; 23da
|
|
ld a, [hli]
|
|
ld c, a
|
|
ld [wdbfb], a
|
|
ld a, l
|
|
ld [wdbfc], a
|
|
ld a, h
|
|
ld [wdbfd], a
|
|
ld a, c
|
|
and a
|
|
ret z
|
|
ld bc, $0005
|
|
call AddNTimes
|
|
ret
|
|
; 23f1
|
|
|
|
ReadCoordEvents:: ; 23f1
|
|
ld a, [hli]
|
|
ld c, a
|
|
ld [wCurrentMapXYTriggerCount], a
|
|
ld a, l
|
|
ld [wdbff], a
|
|
ld a, h
|
|
ld [wdc00], a
|
|
ld a, c
|
|
and a
|
|
ret z
|
|
ld bc, $0008
|
|
call AddNTimes
|
|
ret
|
|
; 2408
|
|
|
|
ReadSignposts:: ; 2408
|
|
ld a, [hli]
|
|
ld c, a
|
|
ld [wCurrentMapSignpostCount], a
|
|
ld a, l
|
|
ld [wdc02], a
|
|
ld a, h
|
|
ld [wdc03], a
|
|
ld a, c
|
|
and a
|
|
ret z
|
|
ld bc, $0005
|
|
call AddNTimes
|
|
ret
|
|
; 241f
|
|
|
|
ReadObjectEvents:: ; 241f
|
|
push hl
|
|
call Function2471
|
|
pop de
|
|
ld hl, MapObjects + OBJECT_LENGTH
|
|
ld a, [de]
|
|
inc de
|
|
ld [wdc04], a
|
|
ld a, e
|
|
ld [wdc05], a
|
|
ld a, d
|
|
ld [wdc06], a
|
|
ld a, [wdc04]
|
|
call Function2457
|
|
ld a, [wdc04]
|
|
ld c, a
|
|
ld a, $10
|
|
sub c
|
|
jr z, .asm_2454
|
|
ld bc, $0001
|
|
add hl, bc
|
|
ld bc, $0010
|
|
.asm_244a
|
|
ld [hl], $0
|
|
inc hl
|
|
ld [hl], $ff
|
|
dec hl
|
|
add hl, bc
|
|
dec a
|
|
jr nz, .asm_244a
|
|
|
|
.asm_2454
|
|
ld h, d
|
|
ld l, e
|
|
ret
|
|
; 2457
|
|
|
|
Function2457:: ; 2457
|
|
and a
|
|
ret z
|
|
ld c, a
|
|
.asm_245a
|
|
push bc
|
|
push hl
|
|
ld a, $ff
|
|
ld [hli], a
|
|
ld b, $d
|
|
.asm_2461
|
|
ld a, [de]
|
|
inc de
|
|
ld [hli], a
|
|
dec b
|
|
jr nz, .asm_2461
|
|
pop hl
|
|
ld bc, $0010
|
|
add hl, bc
|
|
pop bc
|
|
dec c
|
|
jr nz, .asm_245a
|
|
ret
|
|
; 2471
|
|
|
|
Function2471:: ; 2471
|
|
ld hl, ObjectStruct1
|
|
ld bc, OBJECT_STRUCT_LENGTH * (NUM_OBJECT_STRUCTS - 1)
|
|
xor a
|
|
call ByteFill
|
|
ld hl, ObjectStruct1
|
|
ld de, OBJECT_STRUCT_LENGTH
|
|
ld c, NUM_OBJECT_STRUCTS - 1
|
|
xor a
|
|
.asm_2484
|
|
ld [hl], a
|
|
add hl, de
|
|
dec c
|
|
jr nz, .asm_2484
|
|
ret
|
|
; 248a
|
|
|
|
RestoreFacingAfterWarp:: ; 248a
|
|
call GetMapScriptHeaderBank
|
|
rst Bankswitch
|
|
|
|
ld hl, MapEventHeaderPointer
|
|
ld a, [hli]
|
|
ld h, [hl]
|
|
ld l, a
|
|
rept 3
|
|
inc hl
|
|
endr
|
|
ld a, [WarpNumber]
|
|
dec a
|
|
ld c, a
|
|
ld b, $0
|
|
ld a, $5
|
|
call AddNTimes
|
|
ld a, [hli]
|
|
ld [YCoord], a
|
|
ld a, [hli]
|
|
ld [XCoord], a
|
|
ld a, [hli]
|
|
cp $ff
|
|
jr nz, .asm_24b3
|
|
call Function24ba
|
|
|
|
.asm_24b3
|
|
callba GetCoordOfUpperLeftCorner
|
|
ret
|
|
; 24ba
|
|
|
|
Function24ba:: ; 24ba
|
|
ld a, [wd149]
|
|
ld [wdcac], a
|
|
ld a, [wd14a]
|
|
ld [BackupMapGroup], a
|
|
ld a, [wd14b]
|
|
ld [BackupMapNumber], a
|
|
ret
|
|
; 24cd
|
|
|
|
LoadBlockData:: ; 24cd
|
|
ld hl, OverworldMap
|
|
ld bc, OverworldMapEnd - OverworldMap
|
|
ld a, 0
|
|
call ByteFill
|
|
call ChangeMap
|
|
call FillMapConnections
|
|
ld a, $1
|
|
call RunMapCallback
|
|
ret
|
|
; 24e4
|
|
|
|
|
|
|
|
ChangeMap:: ; 24e4
|
|
ld a, [hROMBank]
|
|
push af
|
|
|
|
ld hl, OverworldMap
|
|
ld a, [MapWidth]
|
|
ld [hConnectedMapWidth], a
|
|
add $6
|
|
ld [hConnectionStripLength], a
|
|
ld c, a
|
|
ld b, 0
|
|
rept 3
|
|
add hl, bc
|
|
endr
|
|
ld c, 3
|
|
add hl, bc
|
|
ld a, [MapBlockDataBank]
|
|
rst Bankswitch
|
|
|
|
ld a, [MapBlockDataPointer]
|
|
ld e, a
|
|
ld a, [MapBlockDataPointer+1]
|
|
ld d, a
|
|
ld a, [MapHeight]
|
|
ld b, a
|
|
.asm_250c
|
|
push hl
|
|
ld a, [hConnectedMapWidth]
|
|
ld c, a
|
|
.asm_2510
|
|
ld a, [de]
|
|
inc de
|
|
ld [hli], a
|
|
dec c
|
|
jr nz, .asm_2510
|
|
pop hl
|
|
ld a, [hConnectionStripLength]
|
|
add l
|
|
ld l, a
|
|
jr nc, .asm_251e
|
|
inc h
|
|
.asm_251e
|
|
dec b
|
|
jr nz, .asm_250c
|
|
|
|
pop af
|
|
rst Bankswitch
|
|
ret
|
|
; 2524
|
|
|
|
|
|
|
|
FillMapConnections:: ; 2524
|
|
|
|
; North
|
|
ld a, [NorthConnectedMapGroup]
|
|
cp $ff
|
|
jr z, .South
|
|
ld b, a
|
|
ld a, [NorthConnectedMapNumber]
|
|
ld c, a
|
|
call GetAnyMapBlockdataBank
|
|
|
|
ld a, [NorthConnectionStripPointer]
|
|
ld l, a
|
|
ld a, [NorthConnectionStripPointer + 1]
|
|
ld h, a
|
|
ld a, [NorthConnectionStripLocation]
|
|
ld e, a
|
|
ld a, [NorthConnectionStripLocation + 1]
|
|
ld d, a
|
|
ld a, [NorthConnectionStripLength]
|
|
ld [hConnectionStripLength], a
|
|
ld a, [NorthConnectedMapWidth]
|
|
ld [hConnectedMapWidth], a
|
|
call FillNorthConnectionStrip
|
|
|
|
.South
|
|
ld a, [SouthConnectedMapGroup]
|
|
cp $ff
|
|
jr z, .West
|
|
ld b, a
|
|
ld a, [SouthConnectedMapNumber]
|
|
ld c, a
|
|
call GetAnyMapBlockdataBank
|
|
|
|
ld a, [SouthConnectionStripPointer]
|
|
ld l, a
|
|
ld a, [SouthConnectionStripPointer + 1]
|
|
ld h, a
|
|
ld a, [SouthConnectionStripLocation]
|
|
ld e, a
|
|
ld a, [SouthConnectionStripLocation + 1]
|
|
ld d, a
|
|
ld a, [SouthConnectionStripLength]
|
|
ld [hConnectionStripLength], a
|
|
ld a, [SouthConnectedMapWidth]
|
|
ld [hConnectedMapWidth], a
|
|
call FillSouthConnectionStrip
|
|
|
|
.West
|
|
ld a, [WestConnectedMapGroup]
|
|
cp $ff
|
|
jr z, .East
|
|
ld b, a
|
|
ld a, [WestConnectedMapNumber]
|
|
ld c, a
|
|
call GetAnyMapBlockdataBank
|
|
|
|
ld a, [WestConnectionStripPointer]
|
|
ld l, a
|
|
ld a, [WestConnectionStripPointer + 1]
|
|
ld h, a
|
|
ld a, [WestConnectionStripLocation]
|
|
ld e, a
|
|
ld a, [WestConnectionStripLocation + 1]
|
|
ld d, a
|
|
ld a, [WestConnectionStripLength]
|
|
ld b, a
|
|
ld a, [WestConnectedMapWidth]
|
|
ld [hConnectionStripLength], a
|
|
call FillWestConnectionStrip
|
|
|
|
.East
|
|
ld a, [EastConnectedMapGroup]
|
|
cp $ff
|
|
jr z, .Done
|
|
ld b, a
|
|
ld a, [EastConnectedMapNumber]
|
|
ld c, a
|
|
call GetAnyMapBlockdataBank
|
|
|
|
ld a, [EastConnectionStripPointer]
|
|
ld l, a
|
|
ld a, [EastConnectionStripPointer + 1]
|
|
ld h, a
|
|
ld a, [EastConnectionStripLocation]
|
|
ld e, a
|
|
ld a, [EastConnectionStripLocation + 1]
|
|
ld d, a
|
|
ld a, [EastConnectionStripLength]
|
|
ld b, a
|
|
ld a, [EastConnectedMapWidth]
|
|
ld [hConnectionStripLength], a
|
|
call FillEastConnectionStrip
|
|
|
|
.Done
|
|
ret
|
|
; 25d3
|
|
|
|
|
|
FillNorthConnectionStrip::
|
|
FillSouthConnectionStrip:: ; 25d3
|
|
|
|
ld c, 3
|
|
.y
|
|
push de
|
|
|
|
push hl
|
|
ld a, [hConnectionStripLength]
|
|
ld b, a
|
|
.x
|
|
ld a, [hli]
|
|
ld [de], a
|
|
inc de
|
|
dec b
|
|
jr nz, .x
|
|
pop hl
|
|
|
|
ld a, [hConnectedMapWidth]
|
|
ld e, a
|
|
ld d, 0
|
|
add hl, de
|
|
pop de
|
|
|
|
ld a, [MapWidth]
|
|
add 6
|
|
add e
|
|
ld e, a
|
|
jr nc, .asm_25f2
|
|
inc d
|
|
.asm_25f2
|
|
dec c
|
|
jr nz, .y
|
|
ret
|
|
; 25f6
|
|
|
|
|
|
FillWestConnectionStrip::
|
|
FillEastConnectionStrip:: ; 25f6
|
|
|
|
.asm_25f6
|
|
ld a, [MapWidth]
|
|
add 6
|
|
ld [hConnectedMapWidth], a
|
|
|
|
push de
|
|
|
|
push hl
|
|
ld a, [hli]
|
|
ld [de], a
|
|
inc de
|
|
ld a, [hli]
|
|
ld [de], a
|
|
inc de
|
|
ld a, [hli]
|
|
ld [de], a
|
|
inc de
|
|
pop hl
|
|
|
|
ld a, [hConnectionStripLength]
|
|
ld e, a
|
|
ld d, 0
|
|
add hl, de
|
|
pop de
|
|
|
|
ld a, [hConnectedMapWidth]
|
|
add e
|
|
ld e, a
|
|
jr nc, .asm_2617
|
|
inc d
|
|
.asm_2617
|
|
dec b
|
|
jr nz, .asm_25f6
|
|
ret
|
|
; 261b
|
|
|
|
LoadMapStatus:: ; 261b
|
|
ld [MapStatus], a
|
|
ret
|
|
; 261f
|
|
|
|
|
|
CallScript:: ; 261f
|
|
; Call a script at a:hl.
|
|
|
|
ld [ScriptBank], a
|
|
ld a, l
|
|
ld [ScriptPos], a
|
|
ld a, h
|
|
ld [ScriptPos + 1], a
|
|
|
|
ld a, $ff
|
|
ld [ScriptRunning], a
|
|
|
|
scf
|
|
ret
|
|
; 2631
|
|
|
|
Function2631:: ; 2631
|
|
ld a, [ScriptRunning]
|
|
and a
|
|
ret nz
|
|
call GetMapScriptHeaderBank
|
|
jr CallScript
|
|
; 263b
|
|
|
|
RunMapCallback:: ; 263b
|
|
; Will run the first callback found in the map header with execution index equal to a.
|
|
ld b, a
|
|
ld a, [hROMBank]
|
|
push af
|
|
call SwitchToMapScriptHeaderBank
|
|
call Function2653
|
|
jr nc, .done
|
|
|
|
call GetMapScriptHeaderBank
|
|
ld b, a
|
|
ld d, h
|
|
ld e, l
|
|
call ExecuteCallbackScript
|
|
|
|
.done
|
|
pop af
|
|
rst Bankswitch
|
|
ret
|
|
; 2653
|
|
|
|
Function2653:: ; 2653
|
|
ld a, [wdc0a]
|
|
ld c, a
|
|
and a
|
|
ret z
|
|
ld hl, wdc0b
|
|
ld a, [hli]
|
|
ld h, [hl]
|
|
ld l, a
|
|
or h
|
|
ret z
|
|
ld de, 3
|
|
.loop
|
|
ld a, [hl]
|
|
cp b
|
|
jr z, .done
|
|
add hl, de
|
|
dec c
|
|
jr nz, .loop
|
|
xor a
|
|
ret
|
|
|
|
.done
|
|
inc hl
|
|
ld a, [hli]
|
|
ld h, [hl]
|
|
ld l, a
|
|
scf
|
|
ret
|
|
; 2674
|
|
|
|
ExecuteCallbackScript:: ; 2674
|
|
callba Function974f3
|
|
ld a, [ScriptMode]
|
|
push af
|
|
ld hl, ScriptFlags
|
|
ld a, [hl]
|
|
push af
|
|
set 1, [hl]
|
|
callba EnableScriptMode
|
|
callba ScriptEvents
|
|
pop af
|
|
ld [ScriptFlags], a
|
|
pop af
|
|
ld [ScriptMode], a
|
|
ret
|
|
; 269a
|
|
|
|
MapTextbox:: ; 269a
|
|
ld a, [hROMBank]
|
|
push af
|
|
|
|
ld a, b
|
|
rst Bankswitch
|
|
|
|
push hl
|
|
call SpeechTextBox
|
|
call Function2e31
|
|
ld a, 1
|
|
ld [hOAMUpdate], a
|
|
call Function321c
|
|
pop hl
|
|
call PrintTextBoxText
|
|
xor a
|
|
ld [hOAMUpdate], a
|
|
|
|
pop af
|
|
rst Bankswitch
|
|
ret
|
|
; 26b7
|
|
|
|
Call_a_de:: ; 26b7
|
|
; Call a:de.
|
|
|
|
ld [hBuffer], a
|
|
ld a, [hROMBank]
|
|
push af
|
|
ld a, [hBuffer]
|
|
rst Bankswitch
|
|
|
|
call .de
|
|
|
|
pop af
|
|
rst Bankswitch
|
|
ret
|
|
|
|
.de
|
|
push de
|
|
ret
|
|
; 26c7
|
|
|
|
GetMovementData:: ; 26c7
|
|
ld a, [hROMBank]
|
|
push af
|
|
ld a, b
|
|
rst Bankswitch
|
|
|
|
ld a, c
|
|
call Function19e9
|
|
|
|
pop hl
|
|
ld a, h
|
|
rst Bankswitch
|
|
ret
|
|
; 26d4
|
|
|
|
|
|
GetScriptByte:: ; 0x26d4
|
|
; Return byte at ScriptBank:ScriptPos in a.
|
|
|
|
push hl
|
|
push bc
|
|
ld a, [hROMBank]
|
|
push af
|
|
ld a, [ScriptBank]
|
|
rst Bankswitch
|
|
|
|
ld hl, ScriptPos
|
|
ld c, [hl]
|
|
inc hl
|
|
ld b, [hl]
|
|
|
|
ld a, [bc]
|
|
|
|
inc bc
|
|
ld [hl], b
|
|
dec hl
|
|
ld [hl], c
|
|
|
|
ld b, a
|
|
pop af
|
|
rst Bankswitch
|
|
ld a, b
|
|
pop bc
|
|
pop hl
|
|
ret
|
|
; 0x26ef
|
|
|
|
|
|
ObjectEvent:: ; 0x26ef
|
|
jumptextfaceplayer ObjectEventText
|
|
; 0x26f2
|
|
|
|
ObjectEventText::
|
|
text_jump _ObjectEventText
|
|
db "@"
|
|
; 0x26f7
|
|
|
|
|
|
BGEvent:: ; 26f7
|
|
jumptext BGEventText
|
|
; 26fa
|
|
|
|
BGEventText:: ; 26fa
|
|
text_jump UnknownText_0x1c46fc
|
|
db "@"
|
|
; 26ff
|
|
|
|
|
|
CoordinatesEvent:: ; 26ff
|
|
jumptext CoordinatesEventText
|
|
; 2702
|
|
|
|
CoordinatesEventText:: ; 2702
|
|
text_jump UnknownText_0x1c4706
|
|
db "@"
|
|
; 2707
|
|
|
|
|
|
Function2707:: ; 2707
|
|
ld a, [hConnectionStripLength]
|
|
ld e, a
|
|
ld d, $0
|
|
ld hl, wd81e
|
|
add hl, de
|
|
ld a, [hl]
|
|
ret
|
|
; 2712
|
|
|
|
Function2712:: ; 2712
|
|
ld a, [hConnectionStripLength]
|
|
ld e, a
|
|
ld d, $0
|
|
ld hl, wd81e
|
|
add hl, de
|
|
ld [hl], $ff
|
|
ret
|
|
; 271e
|
|
|
|
Function271e:: ; 271e
|
|
ld a, [hConnectionStripLength]
|
|
ld e, a
|
|
ld d, $0
|
|
ld hl, wd81e
|
|
add hl, de
|
|
ld [hl], $0
|
|
ret
|
|
; 272a
|
|
|
|
|
|
Function272a:: ; 272a
|
|
hlcoord 0, 0
|
|
ld de, BGMapBuffer
|
|
call Function27b7
|
|
ld c, $28
|
|
call FarCallScrollBGMapPalettes
|
|
ld a, [wd152]
|
|
ld e, a
|
|
ld a, [wd153]
|
|
ld d, a
|
|
call Function27d3
|
|
ld a, $1
|
|
ld [hBGMapUpdate], a
|
|
ret
|
|
; 2748
|
|
|
|
Function2748:: ; 2748
|
|
hlcoord 0, 16
|
|
ld de, BGMapBuffer
|
|
call Function27b7
|
|
ld c, $28
|
|
call FarCallScrollBGMapPalettes
|
|
ld a, [wd152]
|
|
ld l, a
|
|
ld a, [wd153]
|
|
ld h, a
|
|
ld bc, $0200
|
|
add hl, bc
|
|
ld a, h
|
|
and $3
|
|
or $98
|
|
ld e, l
|
|
ld d, a
|
|
call Function27d3
|
|
ld a, $1
|
|
ld [hBGMapUpdate], a
|
|
ret
|
|
; 2771
|
|
|
|
Function2771:: ; 2771
|
|
hlcoord 0, 0
|
|
ld de, BGMapBuffer
|
|
call Function27c0
|
|
ld c, $24
|
|
call FarCallScrollBGMapPalettes
|
|
ld a, [wd152]
|
|
ld e, a
|
|
ld a, [wd153]
|
|
ld d, a
|
|
call Function27f8
|
|
ld a, $1
|
|
ld [hBGMapUpdate], a
|
|
ret
|
|
; 278f
|
|
|
|
Function278f:: ; 278f
|
|
hlcoord 18, 0
|
|
ld de, BGMapBuffer
|
|
call Function27c0
|
|
ld c, $24
|
|
call FarCallScrollBGMapPalettes
|
|
ld a, [wd152]
|
|
ld e, a
|
|
and $e0
|
|
ld b, a
|
|
ld a, e
|
|
add $12
|
|
and $1f
|
|
or b
|
|
ld e, a
|
|
ld a, [wd153]
|
|
ld d, a
|
|
call Function27f8
|
|
ld a, $1
|
|
ld [hBGMapUpdate], a
|
|
ret
|
|
; 27b7
|
|
|
|
Function27b7:: ; 27b7
|
|
ld c, $28
|
|
.asm_27b9
|
|
ld a, [hli]
|
|
ld [de], a
|
|
inc de
|
|
dec c
|
|
jr nz, .asm_27b9
|
|
ret
|
|
; 27c0
|
|
|
|
Function27c0:: ; 27c0
|
|
ld c, $12
|
|
.asm_27c2
|
|
ld a, [hli]
|
|
ld [de], a
|
|
inc de
|
|
ld a, [hl]
|
|
ld [de], a
|
|
inc de
|
|
ld a, $13
|
|
add l
|
|
ld l, a
|
|
jr nc, .asm_27cf
|
|
inc h
|
|
|
|
.asm_27cf
|
|
dec c
|
|
jr nz, .asm_27c2
|
|
ret
|
|
; 27d3
|
|
|
|
Function27d3:: ; 27d3
|
|
ld hl, BGMapBufferPtrs
|
|
push de
|
|
call .asm_27df
|
|
pop de
|
|
ld a, $20
|
|
add e
|
|
ld e, a
|
|
|
|
.asm_27df
|
|
ld c, $a
|
|
.asm_27e1
|
|
ld a, e
|
|
ld [hli], a
|
|
ld a, d
|
|
ld [hli], a
|
|
ld a, e
|
|
rept 2
|
|
inc a
|
|
endr
|
|
and $1f
|
|
ld b, a
|
|
ld a, e
|
|
and $e0
|
|
or b
|
|
ld e, a
|
|
dec c
|
|
jr nz, .asm_27e1
|
|
ld a, $14
|
|
ld [$ffdc], a
|
|
ret
|
|
; 27f8
|
|
|
|
Function27f8:: ; 27f8
|
|
ld hl, BGMapBufferPtrs
|
|
ld c, $12
|
|
.asm_27fd
|
|
ld a, e
|
|
ld [hli], a
|
|
ld a, d
|
|
ld [hli], a
|
|
ld a, $20
|
|
add e
|
|
ld e, a
|
|
jr nc, .asm_280e
|
|
inc d
|
|
ld a, d
|
|
and $3
|
|
or $98
|
|
ld d, a
|
|
|
|
.asm_280e
|
|
dec c
|
|
jr nz, .asm_27fd
|
|
ld a, $12
|
|
ld [$ffdc], a
|
|
ret
|
|
; 2816
|
|
|
|
Function2816:: ; 2816
|
|
ld hl, BGMapBuffer
|
|
ld bc, $0078
|
|
xor a
|
|
call ByteFill
|
|
ret
|
|
; 2821
|
|
|
|
Function2821:: ; 2821
|
|
ld hl, TilesetAddress
|
|
ld a, [hli]
|
|
ld h, [hl]
|
|
ld l, a
|
|
ld a, [TilesetBank]
|
|
ld e, a
|
|
ld a, [rSVBK]
|
|
push af
|
|
ld a, $6
|
|
ld [rSVBK], a
|
|
ld a, e
|
|
ld de, w6_d000
|
|
call FarDecompress
|
|
ld hl, w6_d000
|
|
ld de, VTiles2
|
|
ld bc, $0600
|
|
call CopyBytes
|
|
ld a, [rVBK]
|
|
push af
|
|
ld a, $1
|
|
ld [rVBK], a
|
|
ld hl, w6_d600
|
|
ld de, VTiles2
|
|
ld bc, $0600
|
|
call CopyBytes
|
|
pop af
|
|
ld [rVBK], a
|
|
pop af
|
|
ld [rSVBK], a
|
|
ld a, [wd199]
|
|
cp $1
|
|
jr z, .asm_286f
|
|
cp $2
|
|
jr z, .asm_286f
|
|
cp $4
|
|
jr z, .asm_286f
|
|
jr .asm_2875
|
|
|
|
.asm_286f
|
|
callba LoadMapGroupRoof
|
|
|
|
.asm_2875
|
|
xor a
|
|
ld [hTileAnimFrame], a
|
|
ret
|
|
; 2879
|
|
|
|
BufferScreen:: ; 2879
|
|
ld hl, wd194
|
|
ld a, [hli]
|
|
ld h, [hl]
|
|
ld l, a
|
|
ld de, XCoord + 1
|
|
ld c, $5
|
|
ld b, $6
|
|
.asm_2886
|
|
push bc
|
|
push hl
|
|
.asm_2888
|
|
ld a, [hli]
|
|
ld [de], a
|
|
inc de
|
|
dec b
|
|
jr nz, .asm_2888
|
|
pop hl
|
|
ld a, [MapWidth]
|
|
add $6
|
|
ld c, a
|
|
ld b, $0
|
|
add hl, bc
|
|
pop bc
|
|
dec c
|
|
jr nz, .asm_2886
|
|
ret
|
|
; 289d
|
|
|
|
SaveScreen:: ; 289d
|
|
ld hl, wd194
|
|
ld a, [hli]
|
|
ld h, [hl]
|
|
ld l, a
|
|
ld de, XCoord + 1
|
|
ld a, [MapWidth]
|
|
add $6
|
|
ld [hConnectionStripLength], a
|
|
ld a, [wd151]
|
|
and a
|
|
jr z, .asm_28cb
|
|
cp $1
|
|
jr z, .asm_28c0
|
|
cp $2
|
|
jr z, .asm_28d4
|
|
cp $3
|
|
jr z, .asm_28da
|
|
ret
|
|
|
|
.asm_28c0
|
|
ld de, wdcbf
|
|
ld a, [hConnectionStripLength]
|
|
ld c, a
|
|
ld b, $0
|
|
add hl, bc
|
|
jr .asm_28ce
|
|
|
|
.asm_28cb
|
|
ld de, XCoord + 1
|
|
|
|
.asm_28ce
|
|
ld b, $6
|
|
ld c, $4
|
|
jr Function28f7
|
|
|
|
.asm_28d4
|
|
ld de, XCoord + 2
|
|
inc hl
|
|
jr .asm_28dd
|
|
|
|
.asm_28da
|
|
ld de, XCoord + 1
|
|
|
|
.asm_28dd
|
|
ld b, $5
|
|
ld c, $5
|
|
jr Function28f7
|
|
|
|
|
|
LoadNeighboringBlockData:: ; 28e3
|
|
ld hl, wd194
|
|
ld a, [hli]
|
|
ld h, [hl]
|
|
ld l, a
|
|
ld a, [MapWidth]
|
|
add $6
|
|
ld [hConnectionStripLength], a
|
|
ld de, XCoord + 1
|
|
ld b, $6
|
|
ld c, $5
|
|
|
|
Function28f7:: ; 28f7
|
|
.asm_28f7
|
|
push bc
|
|
push hl
|
|
push de
|
|
.asm_28fa
|
|
ld a, [de]
|
|
inc de
|
|
ld [hli], a
|
|
dec b
|
|
jr nz, .asm_28fa
|
|
pop de
|
|
ld a, e
|
|
add $6
|
|
ld e, a
|
|
jr nc, .asm_2908
|
|
inc d
|
|
|
|
.asm_2908
|
|
pop hl
|
|
ld a, [hConnectionStripLength]
|
|
ld c, a
|
|
ld b, $0
|
|
add hl, bc
|
|
pop bc
|
|
dec c
|
|
jr nz, .asm_28f7
|
|
ret
|
|
; 2914
|
|
|
|
Function2914:: ; 2914
|
|
xor a
|
|
ld [TilePermissions], a
|
|
call Function296c
|
|
call Function294d
|
|
ld a, [MapX]
|
|
ld d, a
|
|
ld a, [MapY]
|
|
ld e, a
|
|
call Function2a3c
|
|
ld [StandingTile], a
|
|
call Function29ff
|
|
ret nz
|
|
ld a, [StandingTile]
|
|
and 7
|
|
ld hl, .data_2945
|
|
add l
|
|
ld l, a
|
|
ld a, 0
|
|
adc h
|
|
ld h, a
|
|
ld a, [hl]
|
|
ld hl, TilePermissions
|
|
or [hl]
|
|
ld [hl], a
|
|
ret
|
|
; 2945
|
|
|
|
.data_2945 ; 2945
|
|
db 1, 2, 4, 8, 9, 10, 5, 6
|
|
; 294d
|
|
|
|
Function294d:: ; 294d
|
|
ld a, [MapX]
|
|
ld d, a
|
|
ld a, [MapY]
|
|
ld e, a
|
|
push de
|
|
inc e
|
|
call Function2a3c
|
|
ld [TileDown], a
|
|
call Function298b
|
|
pop de
|
|
dec e
|
|
call Function2a3c
|
|
ld [TileUp], a
|
|
call Function29a8
|
|
ret
|
|
; 296c
|
|
|
|
Function296c:: ; 296c
|
|
ld a, [MapX]
|
|
ld d, a
|
|
ld a, [MapY]
|
|
ld e, a
|
|
push de
|
|
dec d
|
|
call Function2a3c
|
|
ld [TileLeft], a
|
|
call Function29e2
|
|
pop de
|
|
inc d
|
|
call Function2a3c
|
|
ld [TileRight], a
|
|
call Function29c5
|
|
ret
|
|
; 298b
|
|
|
|
Function298b:: ; 298b
|
|
call Function29ff
|
|
ret nz
|
|
ld a, [TileDown]
|
|
and $7
|
|
cp $2
|
|
jr z, .ok
|
|
cp $6
|
|
jr z, .ok
|
|
cp $7
|
|
ret nz
|
|
|
|
.ok
|
|
ld a, [TilePermissions]
|
|
or $8
|
|
ld [TilePermissions], a
|
|
ret
|
|
; 29a8
|
|
|
|
Function29a8:: ; 29a8
|
|
call Function29ff
|
|
ret nz
|
|
ld a, [TileUp]
|
|
and $7
|
|
cp $3
|
|
jr z, .ok
|
|
cp $4
|
|
jr z, .ok
|
|
cp $5
|
|
ret nz
|
|
|
|
.ok
|
|
ld a, [TilePermissions]
|
|
or $4
|
|
ld [TilePermissions], a
|
|
ret
|
|
; 29c5
|
|
|
|
Function29c5:: ; 29c5
|
|
call Function29ff
|
|
ret nz
|
|
ld a, [TileRight]
|
|
and $7
|
|
cp $1
|
|
jr z, .ok
|
|
cp $5
|
|
jr z, .ok
|
|
cp $7
|
|
ret nz
|
|
|
|
.ok
|
|
ld a, [TilePermissions]
|
|
or $1
|
|
ld [TilePermissions], a
|
|
ret
|
|
; 29e2
|
|
|
|
Function29e2:: ; 29e2
|
|
call Function29ff
|
|
ret nz
|
|
ld a, [TileLeft]
|
|
and $7
|
|
cp $0
|
|
jr z, .ok
|
|
cp $4
|
|
jr z, .ok
|
|
cp $6
|
|
ret nz
|
|
|
|
.ok
|
|
ld a, [TilePermissions]
|
|
or $2
|
|
ld [TilePermissions], a
|
|
ret
|
|
; 29ff
|
|
|
|
Function29ff:: ; 29ff
|
|
and $f0
|
|
cp $b0
|
|
ret z
|
|
cp $c0
|
|
ret
|
|
; 2a07
|
|
|
|
|
|
GetFacingTileCoord:: ; 2a07
|
|
; Return map coordinates in (d, e) and tile id in a
|
|
; of the tile the player is facing.
|
|
|
|
ld a, [PlayerDirection]
|
|
and %1100
|
|
srl a
|
|
srl a
|
|
ld l, a
|
|
ld h, 0
|
|
rept 2
|
|
add hl,hl
|
|
endr
|
|
ld de, .Directions
|
|
add hl, de
|
|
|
|
ld d, [hl]
|
|
inc hl
|
|
ld e, [hl]
|
|
inc hl
|
|
|
|
ld a, [hli]
|
|
ld h, [hl]
|
|
ld l, a
|
|
|
|
ld a, [MapX]
|
|
add d
|
|
ld d, a
|
|
ld a, [MapY]
|
|
add e
|
|
ld e, a
|
|
ld a, [hl]
|
|
ret
|
|
|
|
.Directions
|
|
; x, y
|
|
db 0, 1
|
|
dw TileDown
|
|
db 0, -1
|
|
dw TileUp
|
|
db -1, 0
|
|
dw TileLeft
|
|
db 1, 0
|
|
dw TileRight
|
|
; 2a3c
|
|
|
|
|
|
Function2a3c:: ; 2a3c
|
|
call GetBlockLocation
|
|
ld a, [hl]
|
|
and a
|
|
jr z, .nope
|
|
ld l, a
|
|
ld h, $0
|
|
rept 2
|
|
add hl,hl
|
|
endr
|
|
ld a, [TilesetCollisionAddress]
|
|
ld c, a
|
|
ld a, [TilesetCollisionAddress + 1]
|
|
ld b, a
|
|
add hl, bc
|
|
rr d
|
|
jr nc, .nocarry
|
|
inc hl
|
|
|
|
.nocarry
|
|
rr e
|
|
jr nc, .nocarry2
|
|
rept 2
|
|
inc hl
|
|
endr
|
|
|
|
.nocarry2
|
|
ld a, [TilesetCollisionBank]
|
|
call GetFarByte
|
|
ret
|
|
|
|
.nope
|
|
ld a, -1
|
|
ret
|
|
; 2a66
|
|
|
|
GetBlockLocation:: ; 2a66
|
|
ld a, [MapWidth]
|
|
add 6
|
|
ld c, a
|
|
ld b, 0
|
|
ld hl, wc801
|
|
add hl, bc
|
|
ld a, e
|
|
srl a
|
|
jr z, .nope
|
|
and a
|
|
.loop
|
|
srl a
|
|
jr nc, .ok
|
|
add hl, bc
|
|
|
|
.ok
|
|
sla c
|
|
rl b
|
|
and a
|
|
jr nz, .loop
|
|
|
|
.nope
|
|
ld c, d
|
|
srl c
|
|
ld b, 0
|
|
add hl, bc
|
|
ret
|
|
; 2a8b
|
|
|
|
|
|
CheckFacingSign:: ; 2a8b
|
|
call GetFacingTileCoord
|
|
; Load facing into b.
|
|
ld b, a
|
|
; Convert the coordinates at de to within-boundaries coordinates.
|
|
ld a, d
|
|
sub 4
|
|
ld d, a
|
|
ld a, e
|
|
sub 4
|
|
ld e, a
|
|
; If there are no signposts, we don't need to be here.
|
|
ld a, [wCurrentMapSignpostCount]
|
|
and a
|
|
ret z
|
|
ld c, a
|
|
ld a, [hROMBank]
|
|
push af
|
|
call SwitchToMapScriptHeaderBank
|
|
call CheckIfFacingTileCoordIsSign
|
|
pop hl
|
|
ld a, h
|
|
rst Bankswitch
|
|
ret
|
|
; 2aaa
|
|
|
|
CheckIfFacingTileCoordIsSign:: ; 2aaa
|
|
; Checks to see if you are facing a signpost. If so, copies it into EngineBuffer1 and sets carry.
|
|
ld hl, wdc02
|
|
ld a, [hli]
|
|
ld h, [hl]
|
|
ld l, a
|
|
.loop
|
|
push hl
|
|
ld a, [hli]
|
|
cp e
|
|
jr nz, .next
|
|
ld a, [hli]
|
|
cp d
|
|
jr nz, .next
|
|
jr .copysign
|
|
|
|
.next
|
|
pop hl
|
|
ld a, 5 ; signpost event length
|
|
add l
|
|
ld l, a
|
|
jr nc, .nocarry
|
|
inc h
|
|
|
|
.nocarry
|
|
dec c
|
|
jr nz, .loop
|
|
xor a
|
|
ret
|
|
|
|
.copysign
|
|
pop hl
|
|
ld de, EngineBuffer1
|
|
ld bc, 5 ; signpost event length
|
|
call CopyBytes
|
|
scf
|
|
ret
|
|
; 2ad4
|
|
|
|
CheckCurrentMapXYTriggers:: ; 2ad4
|
|
; If there are no xy triggers, we don't need to be here.
|
|
ld a, [wCurrentMapXYTriggerCount]
|
|
and a
|
|
ret z
|
|
; Copy the trigger count into c.
|
|
ld c, a
|
|
ld a, [hROMBank]
|
|
push af
|
|
call SwitchToMapScriptHeaderBank
|
|
call CheckStandingOnXYTrigger
|
|
pop hl
|
|
ld a, h
|
|
rst Bankswitch
|
|
ret
|
|
; 2ae7
|
|
|
|
CheckStandingOnXYTrigger:: ; 2ae7
|
|
; Checks to see if you are standing on an xy-trigger. If yes, copies the trigger to EngineBuffer1 and sets carry.
|
|
ld hl, wdbff
|
|
ld a, [hli]
|
|
ld h, [hl]
|
|
ld l, a
|
|
; Load the active trigger ID into b
|
|
call CheckTriggers
|
|
ld b, a
|
|
; Load your current coordinates into de. This will be used to check if your position is in the xy-trigger table for the current map.
|
|
ld a, [MapX]
|
|
sub 4
|
|
ld d, a
|
|
ld a, [MapY]
|
|
sub 4
|
|
ld e, a
|
|
|
|
.loop
|
|
push hl
|
|
ld a, [hli]
|
|
cp b
|
|
jr z, .got_id
|
|
cp -1
|
|
jr nz, .next
|
|
|
|
.got_id
|
|
ld a, [hli]
|
|
cp e
|
|
jr nz, .next
|
|
ld a, [hli]
|
|
cp d
|
|
jr nz, .next
|
|
jr .copytrigger
|
|
|
|
.next
|
|
pop hl
|
|
ld a, $8 ; xy-trigger size
|
|
add l
|
|
ld l, a
|
|
jr nc, .nocarry
|
|
inc h
|
|
|
|
.nocarry
|
|
dec c
|
|
jr nz, .loop
|
|
xor a
|
|
ret
|
|
|
|
.copytrigger
|
|
pop hl
|
|
ld de, EngineBuffer1
|
|
ld bc, $0008 ; xy-trigger size
|
|
call CopyBytes
|
|
scf
|
|
ret
|
|
; 2b29
|
|
|
|
|
|
FadeToMenu:: ; 2b29
|
|
xor a
|
|
ld [hBGMapMode], a
|
|
call Function1d6e
|
|
callba FadeBlackBGMap
|
|
call ClearSprites
|
|
call Function2ed3
|
|
ret
|
|
; 2b3c
|
|
|
|
|
|
Function2b3c:: ; 2b3c
|
|
call WhiteBGMap
|
|
call Function2bae
|
|
call UpdateSprites
|
|
call Function1d7d
|
|
call Functiond90
|
|
jr Function2b5c
|
|
; 2b4d
|
|
|
|
Function2b4d:: ; 2b4d
|
|
call WhiteBGMap
|
|
call Function1d7d
|
|
call Function2bae
|
|
call UpdateSprites
|
|
call Functiond90
|
|
; 2b5c
|
|
|
|
Function2b5c:: ; 2b5c
|
|
ld b, $9
|
|
call GetSGBLayout
|
|
callba Function49409
|
|
call Function3200
|
|
callba FadeInBGMap
|
|
call Function2ee4
|
|
ret
|
|
; 2b74
|
|
|
|
|
|
Function2b74:: ; 0x2b74
|
|
push af
|
|
ld a, $1
|
|
ld [wc2ce], a
|
|
call WhiteBGMap
|
|
call ClearSprites
|
|
call Function2bae
|
|
hlcoord 0, 12
|
|
ld bc, $0412
|
|
call TextBox
|
|
ld hl, VramState
|
|
set 0, [hl]
|
|
call UpdateSprites
|
|
call Function3200
|
|
ld b, $9
|
|
call GetSGBLayout
|
|
callba Function49409
|
|
call UpdateTimePals
|
|
call DelayFrame
|
|
ld a, $1
|
|
ld [$ffde], a
|
|
pop af
|
|
ret
|
|
; 0x2bae
|
|
|
|
Function2bae:: ; 2bae
|
|
call DisableLCD
|
|
call ClearSprites
|
|
callba Function14168
|
|
call Functione51
|
|
call Functione5f
|
|
ld a, [hROMBank]
|
|
push af
|
|
ld a, [MapGroup]
|
|
ld b, a
|
|
ld a, [MapNumber]
|
|
ld c, a
|
|
call SwitchToAnyMapBank
|
|
callba Function8c001
|
|
call Function2173
|
|
call Function2821
|
|
ld a, 9
|
|
call SkipMusic
|
|
pop af
|
|
rst Bankswitch
|
|
|
|
call EnableLCD
|
|
ret
|
|
; 2be5
|
|
|
|
|
|
GetMapHeaderPointer:: ; 2be5
|
|
ld a, [MapGroup]
|
|
ld b, a
|
|
ld a, [MapNumber]
|
|
ld c, a
|
|
; 2bed
|
|
|
|
GetAnyMapHeaderPointer:: ; 0x2bed
|
|
; Prior to calling this function, you must have switched banks so that
|
|
; MapGroupPointers is visible.
|
|
|
|
; inputs:
|
|
; b = map group, c = map number
|
|
; XXX de = ???
|
|
|
|
; outputs:
|
|
; hl points to the map header
|
|
push bc ; save map number for later
|
|
|
|
; get pointer to map group
|
|
dec b
|
|
ld c, b
|
|
ld b, 0
|
|
ld hl, MapGroupPointers
|
|
rept 2
|
|
add hl, bc
|
|
endr
|
|
|
|
ld a, [hli]
|
|
ld h, [hl]
|
|
ld l, a
|
|
pop bc ; restore map number
|
|
|
|
; find the cth map header
|
|
dec c
|
|
ld b, 0
|
|
ld a, 9
|
|
call AddNTimes
|
|
ret
|
|
; 0x2c04
|
|
|
|
GetMapHeaderMember:: ; 0x2c04
|
|
; Extract data from the current map's header.
|
|
|
|
; inputs:
|
|
; de = offset of desired data within the mapheader
|
|
|
|
; outputs:
|
|
; bc = data from the current map's header
|
|
; (e.g., de = $0003 would return a pointer to the secondary map header)
|
|
|
|
ld a, [MapGroup]
|
|
ld b, a
|
|
ld a, [MapNumber]
|
|
ld c, a
|
|
; fallthrough
|
|
|
|
GetAnyMapHeaderMember:: ; 0x2c0c
|
|
; bankswitch
|
|
ld a, [hROMBank]
|
|
push af
|
|
ld a, BANK(MapGroupPointers)
|
|
rst Bankswitch
|
|
|
|
call GetAnyMapHeaderPointer
|
|
add hl, de
|
|
ld c, [hl]
|
|
inc hl
|
|
ld b, [hl]
|
|
|
|
; bankswitch back
|
|
pop af
|
|
rst Bankswitch
|
|
ret
|
|
; 0x2c1c
|
|
|
|
|
|
SwitchToMapBank:: ; 2c1c
|
|
ld a, [MapGroup]
|
|
ld b, a
|
|
ld a, [MapNumber]
|
|
ld c, a
|
|
; 2c24
|
|
|
|
SwitchToAnyMapBank:: ; 2c24
|
|
call GetAnyMapBank
|
|
rst Bankswitch
|
|
ret
|
|
; 2c29
|
|
|
|
|
|
GetMapBank:: ; 2c29
|
|
ld a, [MapGroup]
|
|
ld b, a
|
|
ld a, [MapNumber]
|
|
ld c, a
|
|
; 2c31
|
|
|
|
GetAnyMapBank:: ; 2c31
|
|
push hl
|
|
push de
|
|
ld de, $0000
|
|
call GetAnyMapHeaderMember
|
|
ld a, c
|
|
pop de
|
|
pop hl
|
|
ret
|
|
; 2c3d
|
|
|
|
Function2c3d:: ; 2c3d
|
|
ld a, [hROMBank]
|
|
push af
|
|
ld a, BANK(MapGroupPointers)
|
|
rst Bankswitch
|
|
call GetMapHeaderPointer
|
|
ld de, wd197 + 1
|
|
ld bc, $0005
|
|
call CopyBytes
|
|
pop af
|
|
rst Bankswitch
|
|
ret
|
|
; 2c52
|
|
|
|
SwitchToMapScriptHeaderBank:: ; 2c52
|
|
ld a, [MapScriptHeaderBank]
|
|
rst Bankswitch
|
|
ret
|
|
; 2c57
|
|
|
|
|
|
GetMapScriptHeaderBank:: ; 2c57
|
|
ld a, [MapScriptHeaderBank]
|
|
ret
|
|
; 2c5b
|
|
|
|
GetAnyMapBlockdataBank:: ; 2c5b
|
|
; Return the blockdata bank for group b map c.
|
|
push hl
|
|
push de
|
|
push bc
|
|
|
|
push bc
|
|
ld de, 3 ; second map header pointer
|
|
call GetAnyMapHeaderMember
|
|
ld l, c
|
|
ld h, b
|
|
pop bc
|
|
|
|
push hl
|
|
ld de, 0 ; second map header bank
|
|
call GetAnyMapHeaderMember
|
|
pop hl
|
|
|
|
ld de, 3 ; blockdata bank
|
|
add hl, de
|
|
ld a, c
|
|
call GetFarByte
|
|
rst Bankswitch
|
|
|
|
pop bc
|
|
pop de
|
|
pop hl
|
|
ret
|
|
; 2c7d
|
|
|
|
GetSecondaryMapHeaderPointer:: ; 0x2c7d
|
|
; returns the current map's secondary map header pointer in hl.
|
|
push bc
|
|
push de
|
|
ld de, $0003 ; secondary map header pointer (offset within header)
|
|
call GetMapHeaderMember
|
|
ld l, c
|
|
ld h, b
|
|
pop de
|
|
pop bc
|
|
ret
|
|
; 2c8a
|
|
|
|
GetMapPermission:: ; 2c8a
|
|
push hl
|
|
push de
|
|
push bc
|
|
ld de, 2
|
|
call GetMapHeaderMember
|
|
ld a, c
|
|
pop bc
|
|
pop de
|
|
pop hl
|
|
ret
|
|
; 2c98
|
|
|
|
Function2c98:: ; 2c98
|
|
ret
|
|
; 2c99
|
|
|
|
GetAnyMapPermission:: ; 2c99
|
|
push hl
|
|
push de
|
|
push bc
|
|
ld de, $0002
|
|
call GetAnyMapHeaderMember
|
|
ld a, c
|
|
pop bc
|
|
pop de
|
|
pop hl
|
|
ret
|
|
; 2ca7
|
|
|
|
GetAnyMapTileset:: ; 2ca7
|
|
ld de, $0001
|
|
call GetAnyMapHeaderMember
|
|
ld a, c
|
|
ret
|
|
; 2caf
|
|
|
|
GetWorldMapLocation:: ; 0x2caf
|
|
; given a map group/id in bc, return its location on the Pokégear map.
|
|
push hl
|
|
push de
|
|
push bc
|
|
ld de, 5
|
|
call GetAnyMapHeaderMember
|
|
ld a, c
|
|
pop bc
|
|
pop de
|
|
pop hl
|
|
ret
|
|
; 0x2cbd
|
|
|
|
GetMapHeaderMusic:: ; 2cbd
|
|
RADIO_TOWER_MUSIC EQU 7
|
|
|
|
push hl
|
|
push bc
|
|
ld de, 6 ; music
|
|
call GetMapHeaderMember
|
|
ld a, c
|
|
cp MUSIC_MAHOGANY_MART
|
|
jr z, .mahoganymart
|
|
bit RADIO_TOWER_MUSIC, c
|
|
jr nz, .radiotower
|
|
callba Function8b342
|
|
ld e, c
|
|
ld d, 0
|
|
.done
|
|
pop bc
|
|
pop hl
|
|
ret
|
|
|
|
.radiotower
|
|
ld a, [StatusFlags2]
|
|
bit 0, a
|
|
jr z, .clearedradiotower
|
|
ld de, MUSIC_ROCKET_OVERTURE
|
|
jr .done
|
|
|
|
.clearedradiotower
|
|
; the rest of the byte
|
|
ld a, c
|
|
and 1 << RADIO_TOWER_MUSIC - 1
|
|
ld e, a
|
|
ld d, 0
|
|
jr .done
|
|
|
|
.mahoganymart
|
|
ld a, [StatusFlags2]
|
|
bit 7, a
|
|
jr z, .clearedmahogany
|
|
ld de, MUSIC_ROCKET_HIDEOUT
|
|
jr .done
|
|
|
|
.clearedmahogany
|
|
ld de, MUSIC_CHERRYGROVE_CITY
|
|
jr .done
|
|
; 2cff
|
|
|
|
GetMapHeaderTimeOfDayNybble:: ; 2cff
|
|
call GetPhoneServiceTimeOfDayByte
|
|
and $f
|
|
ret
|
|
; 2d05
|
|
|
|
GetMapHeaderPhoneServiceNybble:: ; 2d05
|
|
call GetPhoneServiceTimeOfDayByte
|
|
and $f0
|
|
swap a
|
|
ret
|
|
; 2d0d
|
|
|
|
GetPhoneServiceTimeOfDayByte:: ; 2d0d
|
|
push hl
|
|
push bc
|
|
ld de, 7 ; phone service and time of day
|
|
call GetMapHeaderMember
|
|
ld a, c
|
|
pop bc
|
|
pop hl
|
|
ret
|
|
; 2d19
|
|
|
|
Function2d19:: ; 2d19
|
|
push de
|
|
push hl
|
|
push bc
|
|
ld de, 8 ; fishing group
|
|
call GetMapHeaderMember
|
|
ld a, c
|
|
pop bc
|
|
pop hl
|
|
pop de
|
|
ret
|
|
; 2d27
|
|
|
|
LoadTilesetHeader:: ; 2d27
|
|
push hl
|
|
push bc
|
|
|
|
ld hl, Tilesets
|
|
ld bc, Tileset01 - Tileset00
|
|
ld a, [wd199]
|
|
call AddNTimes
|
|
|
|
ld de, TilesetBank
|
|
ld bc, Tileset01 - Tileset00
|
|
|
|
ld a, BANK(Tilesets)
|
|
call FarCopyBytes
|
|
|
|
pop bc
|
|
pop hl
|
|
ret
|
|
; 2d43
|