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Implement the engine to backup disabled map spaces (#33)

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This commit is contained in:
xCrystal
2023-12-20 19:14:28 +01:00
parent d097191ab1
commit 7641bb7876
10 changed files with 237 additions and 7 deletions
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23
engine/overworld/events.asm
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@@ -165,18 +165,37 @@ StartMap:
ld [hli], a ; wPrevWarp
ld [hli], a ; wPrevMapGroup
ld [hl], a ; wPrevMapNumber
ld a, BANK(wDisabledSpacesBackups)
ld [rSVBK], a
ld hl, wDisabledSpacesBackups
ld bc, wDisabledSpacesBackupsEnd - wDisabledSpacesBackups
xor a
call ByteFill
ld e, NUM_DISABLED_SPACES_BACKUPS
ld hl, wDisabledSpacesBackups
ld bc, wMap2DisabledSpacesBackup - wMap1DisabledSpacesBackup
.loop1
ld a, GROUP_N_A
ld [hl], a
add hl, bc
dec e
jr nz, .loop1
ld [hl], $00 ; list terminator
ld a, BANK(wMapObjectsBackups)
ld [rSVBK], a
ld e, NUM_MAP_OBJECTS_BACKUPS
ld hl, wMapObjectsBackups
ld bc, wMap2ObjectsBackup - wMap1ObjectsBackup
.loop
.loop2
ld a, GROUP_N_A
ld [hl], a
add hl, bc
dec e
jr nz, .loop
jr nz, .loop2
ld [hl], $00 ; list terminator
ld a, 1
ld [rSVBK], a