mirror of
https://github.com/zeldaret/oot.git
synced 2024-12-18 08:27:35 +00:00
257 lines
7.8 KiB
Python
257 lines
7.8 KiB
Python
#!/usr/bin/env python3
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import struct, sys
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item_ids = {
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0x00 : "ITEM_STICK",
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0x01 : "ITEM_NUT",
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0x02 : "ITEM_BOMB",
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0x03 : "ITEM_BOW",
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0x04 : "ITEM_ARROW_FIRE",
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0x05 : "ITEM_DINS_FIRE",
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0x06 : "ITEM_SLINGSHOT",
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0x07 : "ITEM_OCARINA_FAIRY",
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0x08 : "ITEM_OCARINA_TIME",
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0x09 : "ITEM_BOMBCHU",
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0x0A : "ITEM_HOOKSHOT",
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0x0B : "ITEM_LONGSHOT",
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0x0C : "ITEM_ARROW_ICE",
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0x0D : "ITEM_FARORES_WIND",
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0x0E : "ITEM_BOOMERANG",
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0x0F : "ITEM_LENS",
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0x10 : "ITEM_BEAN",
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0x11 : "ITEM_HAMMER",
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0x12 : "ITEM_ARROW_LIGHT",
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0x13 : "ITEM_NAYRUS_LOVE",
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0x14 : "ITEM_BOTTLE",
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0x15 : "ITEM_POTION_RED",
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0x16 : "ITEM_POTION_GREEN",
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0x17 : "ITEM_POTION_BLUE",
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0x18 : "ITEM_FAIRY",
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0x19 : "ITEM_FISH",
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0x1A : "ITEM_MILK_BOTTLE",
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0x1B : "ITEM_LETTER_RUTO",
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0x1C : "ITEM_BLUE_FIRE",
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0x1D : "ITEM_BUG",
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0x1E : "ITEM_BIG_POE",
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0x1F : "ITEM_MILK_HALF",
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0x20 : "ITEM_POE",
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0x21 : "ITEM_WEIRD_EGG",
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0x22 : "ITEM_CHICKEN",
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0x23 : "ITEM_LETTER_ZELDA",
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0x24 : "ITEM_MASK_KEATON",
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0x25 : "ITEM_MASK_SKULL",
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0x26 : "ITEM_MASK_SPOOKY",
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0x27 : "ITEM_MASK_BUNNY",
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0x28 : "ITEM_MASK_GORON",
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0x29 : "ITEM_MASK_ZORA",
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0x2A : "ITEM_MASK_GERUDO",
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0x2B : "ITEM_MASK_TRUTH",
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0x2C : "ITEM_SOLD_OUT",
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0x2D : "ITEM_POCKET_EGG",
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0x2E : "ITEM_POCKET_CUCCO",
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0x2F : "ITEM_COJIRO",
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0x30 : "ITEM_ODD_MUSHROOM",
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0x31 : "ITEM_ODD_POTION",
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0x32 : "ITEM_SAW",
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0x33 : "ITEM_SWORD_BROKEN",
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0x34 : "ITEM_PRESCRIPTION",
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0x35 : "ITEM_FROG",
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0x36 : "ITEM_EYEDROPS",
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0x37 : "ITEM_CLAIM_CHECK",
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0x38 : "ITEM_BOW_ARROW_FIRE",
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0x39 : "ITEM_BOW_ARROW_ICE",
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0x3A : "ITEM_BOW_ARROW_LIGHT",
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0x3B : "ITEM_SWORD_KOKIRI",
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0x3C : "ITEM_SWORD_MASTER",
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0x3D : "ITEM_SWORD_BGS",
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0x3E : "ITEM_SHIELD_DEKU",
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0x3F : "ITEM_SHIELD_HYLIAN",
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0x40 : "ITEM_SHIELD_MIRROR",
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0x41 : "ITEM_TUNIC_KOKIRI",
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0x42 : "ITEM_TUNIC_GORON",
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0x43 : "ITEM_TUNIC_ZORA",
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0x44 : "ITEM_BOOTS_KOKIRI",
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0x45 : "ITEM_BOOTS_IRON",
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0x46 : "ITEM_BOOTS_HOVER",
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0x47 : "ITEM_BULLET_BAG_30",
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0x48 : "ITEM_BULLET_BAG_40",
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0x49 : "ITEM_BULLET_BAG_50",
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0x4A : "ITEM_QUIVER_30",
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0x4B : "ITEM_QUIVER_40",
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0x4C : "ITEM_QUIVER_50",
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0x4D : "ITEM_BOMB_BAG_20",
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0x4E : "ITEM_BOMB_BAG_30",
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0x4F : "ITEM_BOMB_BAG_40",
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0x50 : "ITEM_BRACELET",
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0x51 : "ITEM_GAUNTLETS_SILVER",
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0x52 : "ITEM_GAUNTLETS_GOLD",
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0x53 : "ITEM_SCALE_SILVER",
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0x54 : "ITEM_SCALE_GOLDEN",
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0x55 : "ITEM_SWORD_KNIFE",
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0x56 : "ITEM_WALLET_ADULT",
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0x57 : "ITEM_WALLET_GIANT",
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0x58 : "ITEM_SEEDS",
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0x59 : "ITEM_FISHING_POLE",
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0x5A : "ITEM_SONG_MINUET",
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0x5B : "ITEM_SONG_BOLERO",
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0x5C : "ITEM_SONG_SERENADE",
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0x5D : "ITEM_SONG_REQUIEM",
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0x5E : "ITEM_SONG_NOCTURNE",
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0x5F : "ITEM_SONG_PRELUDE",
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0x60 : "ITEM_SONG_LULLABY",
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0x61 : "ITEM_SONG_EPONA",
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0x62 : "ITEM_SONG_SARIA",
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0x63 : "ITEM_SONG_SUN",
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0x64 : "ITEM_SONG_TIME",
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0x65 : "ITEM_SONG_STORMS",
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0x66 : "ITEM_MEDALLION_FOREST",
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0x67 : "ITEM_MEDALLION_FIRE",
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0x68 : "ITEM_MEDALLION_WATER",
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0x69 : "ITEM_MEDALLION_SPIRIT",
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0x6A : "ITEM_MEDALLION_SHADOW",
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0x6B : "ITEM_MEDALLION_LIGHT",
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0x6C : "ITEM_KOKIRI_EMERALD",
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0x6D : "ITEM_GORON_RUBY",
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0x6E : "ITEM_ZORA_SAPPHIRE",
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0x6F : "ITEM_STONE_OF_AGONY",
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0x70 : "ITEM_GERUDO_CARD",
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0x71 : "ITEM_SKULL_TOKEN",
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0x72 : "ITEM_HEART_CONTAINER",
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0x73 : "ITEM_HEART_PIECE",
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0x74 : "ITEM_KEY_BOSS",
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0x75 : "ITEM_COMPASS",
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0x76 : "ITEM_DUNGEON_MAP",
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0x77 : "ITEM_KEY_SMALL",
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0x78 : "ITEM_MAGIC_SMALL",
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0x79 : "ITEM_MAGIC_LARGE",
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0x7A : "ITEM_HEART_PIECE_2",
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0x7B : "ITEM_INVALID_1",
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0x7C : "ITEM_INVALID_2",
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0x7D : "ITEM_INVALID_3",
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0x7E : "ITEM_INVALID_4",
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0x7F : "ITEM_INVALID_5",
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0x80 : "ITEM_INVALID_6",
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0x81 : "ITEM_INVALID_7",
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0x82 : "ITEM_MILK",
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0x83 : "ITEM_HEART",
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0x84 : "ITEM_RUPEE_GREEN",
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0x85 : "ITEM_RUPEE_BLUE",
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0x86 : "ITEM_RUPEE_RED",
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0x87 : "ITEM_RUPEE_PURPLE",
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0x88 : "ITEM_RUPEE_GOLD",
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0x89 : "ITEM_INVALID_8",
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0x8A : "ITEM_STICKS_5",
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0x8B : "ITEM_STICKS_10",
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0x8C : "ITEM_NUTS_5",
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0x8D : "ITEM_NUTS_10",
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0x8E : "ITEM_BOMBS_5",
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0x8F : "ITEM_BOMBS_10",
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0x90 : "ITEM_BOMBS_20",
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0x91 : "ITEM_BOMBS_30",
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0x92 : "ITEM_ARROWS_SMALL",
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0x93 : "ITEM_ARROWS_MEDIUM",
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0x94 : "ITEM_ARROWS_LARGE",
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0x95 : "ITEM_SEEDS_30",
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0x96 : "ITEM_BOMBCHUS_5",
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0x97 : "ITEM_BOMBCHUS_20",
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0x98 : "ITEM_STICK_UPGRADE_20",
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0x99 : "ITEM_STICK_UPGRADE_30",
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0x9A : "ITEM_NUT_UPGRADE_30",
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0x9B : "ITEM_NUT_UPGRADE_40",
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0xFC : "ITEM_LAST_USED",
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0xFE : "ITEM_NONE_FE",
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0xFF : "ITEM_NONE",
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}
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def disas_elfmsgs(start):
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baserom = None
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with open("baserom.z64", "rb") as infile:
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baserom = bytearray(infile.read())
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branches = []
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pos = start
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while (True):
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print(f"/* {pos - start:04X} {((pos - start) // 4):3} */ ", end="")
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b0, b1, b2, b3 = struct.unpack(">BBBB", baserom[pos:pos+4])
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elf_message_types = {
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0x00: "CHECK",
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0x20: "UNK_1",
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0x40: "UNK_2",
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0x60: "SKIP",
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0xE0: "END",
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}
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cont = True
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branch_to = None
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# Get Type
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elf_message_type = b0 & 0xE0
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ARG_0 = elf_message_types[elf_message_type]
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if elf_message_type in [0, 0x20, 0x40, 0xE0]:
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if elf_message_type == 0xE0:
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cont = False
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ARG_1 = f"0x{(b2 & 0xFF):04X}"
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elif elf_message_type == 0x60:
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branch_to = 4 * (b2 & 0xFF)
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ARG_1 = (b2 & 0xFF)
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else:
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assert False , "Encountered unknown type"
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ARG_2 = f"{bool(b0 & 1)}".lower()
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# Get condition
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condition_type = b0 & 0x1E
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if condition_type == 0:
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if elf_message_type == 0xE0 and b1 == 0 and not (b0 & 1):
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print(f"ELF_MSG_END({ARG_1}),")
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else:
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print(f"ELF_MSG_FLAG({ARG_0}, {ARG_1}, {ARG_2}, 0x{b1:02X}), /* eventChkInf[{(b1 >> 4) & 0xF}] & 0x{1 << (b1 & 0xF):X} */")
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assert b3 == 0
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elif condition_type == 2:
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print(f"ELF_MSG_DUNGEON_ITEM({ARG_0}, {ARG_1}, {ARG_2}, {item_ids[b1]}),")
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assert b3 == 0
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elif condition_type == 4:
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print(f"ELF_MSG_ITEM({ARG_0}, {ARG_1}, {ARG_2}, {item_ids[b1]}, {item_ids[b3]}),")
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elif condition_type == 6:
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condition_other_type = b1 & 0xF0
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if condition_other_type == 0:
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print(f"ELF_MSG_STRENGTH_UPG({ARG_0}, {ARG_1}, {ARG_2}, {b1 & 0xF}),")
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assert b3 == 0
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elif condition_other_type == 0x10:
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print(f"ELF_MSG_BOOTS({ARG_0}, {ARG_1}, {ARG_2}, {item_ids[b3]}),")
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assert (b1 & 0xF) == 0
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elif condition_other_type == 0x20:
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print(f"ELF_MSG_SONG({ARG_0}, {ARG_1}, {ARG_2}, {item_ids[b3]}),")
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assert (b1 & 0xF) == 0
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elif condition_other_type == 0x30:
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print(f"ELF_MSG_MEDALLION({ARG_0}, {ARG_1}, {ARG_2}, {item_ids[b3]}),")
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assert (b1 & 0xF) == 0
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elif condition_other_type == 0x40:
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print(f"ELF_MSG_MAGIC({ARG_0}, {ARG_1}, {ARG_2}),")
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assert (b1 & 0xF) == 0
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assert b3 == 0
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else:
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assert False , "Encountered unknown condition (other) type"
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else:
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assert False , "Encountered unknown condition type"
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# Control flow
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if branch_to is not None:
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branches.append(branch_to)
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pos += 4
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if not cont:
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print("")
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if not cont and all([dst < pos - start for dst in branches]):
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break
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disas_elfmsgs(int(sys.argv[1],16))
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