Archipelago/worlds/ladx/LADXR/patches/rooster.py

41 lines
1.7 KiB
Python

from ..assembler import ASM
from ..utils import formatText
def patchRooster(rom):
# Do not give the rooster
rom.patch(0x19, 0x0E9D, ASM("ld [$DB7B], a"), "", fill_nop=True)
# Do not load the rooster sprites
rom.patch(0x00, 0x2EC7, ASM("jr nz, $08"), "", fill_nop=True)
# Draw the found item
rom.patch(0x19, 0x0E4A, ASM("ld hl, $4E37\nld c, $03\ncall $3CE6"), ASM("ld a, $0C\nrst $08"), fill_nop=True)
rom.patch(0x19, 0x0E7B, ASM("ld hl, $4E37\nld c, $03\ncall $3CE6"), ASM("ld a, $0C\nrst $08"), fill_nop=True)
# Give the item and message
rom.patch(0x19, 0x0E69, ASM("ld a, $6D\ncall $2373"), ASM("ld a, $0E\nrst $08"), fill_nop=True)
# Reuse unused evil eagle text slot for rooster message
rom.texts[0x0B8] = formatText("Got the {ROOSTER}!")
# Allow rooster pickup with special rooster item
rom.patch(0x19, 0x1ABC, ASM("cp $03"), ASM("cp $0F"))
rom.patch(0x19, 0x1AAE, ASM("cp $03"), ASM("cp $0F"))
# Ignore the has-rooster flag in the rooster entity (do not despawn)
rom.patch(0x19, 0x19E0, ASM("jp z, $7E61"), "", fill_nop=True)
# If we are spawning the rooster, and the rooster is already existing, do not do anything, instead of despawning the rooster.
rom.patch(0x01, 0x1FEF, ASM("ld [hl], d"), ASM("ret"))
# Allow rooster to unload when changing rooms
rom.patch(0x19, 0x19E9, ASM("ld [hl], a"), "", fill_nop=True)
# Do not take away the rooster after D7
rom.patch(0x03, 0x1E25, ASM("ld [$DB7B], a"), "", fill_nop=True)
# Patch the color dungeon entrance not to check for rooster
rom.patch(0x02, 0x3409, ASM("ld hl, $DB7B\nor [hl]"), "", fill_nop=True)
# Spawn marin at taltal even with rooster
rom.patch(0x18, 0x1EE3, ASM("jp nz, $7F08"), "", fill_nop=True)