rando_changes.md

Randomizer

• Support showing text on title screen
  • TitleScreenInit in title_screen.c
• Display seed hash on file select
  • Make room for text in place of "SAMUS DATA"
    • sFileSelectCharactersGfx and sFileSelectMenuTileTable in file_select_data.c
  • Draw text at top of screen
    • FileSelectInit in file_select.c
• Disable title screen demos (to avoid spoilers)
  • TitleScreenCheckPlayEffects in title_screen.c
• Allow getting unknown items as normal items
  • sEnglishText_Message_UnknownItem* and sEnglishTextPointers_Message in text_data.c
  • StatusScreenSuitlessItems in status_screen.c
• Get any item from anywhere
  • MessageBannerPopUp, MessageBannerStatic, and MessageBannerRemovalAnimation in message_banner.c
  • TextProcessMessageBanner in text.c
• Get any item from a minor location (tanks)
  • BgClipCheckTouchingTransitionOrTank in bg_clip.c
  • BlockCheckCcaa in block.c
  • RoomLoadTileset in room.c
  • AnimatedGraphicsLoad in animated_graphics.c
• Get any item from a major location (ability)
  • Fix morph ball
    • MorphBallInit and MorphBallGet in morph_ball.c
  • Fix power grip
    • PowerGrip in power_grip.c
  • Fix charge beam
    • ChargeBeamInit and ChargeBeamIdle in charge_beam.c
    • DeoremInit in deorem.c
  • Fix item chozo statues
    • ChozoStatueRegisterItem and ChozoStatueGetBehavior in chozo_statue.c
    • ChozoBallRegisterItem in chozo_ball.c
  • Make unknown item chozo statues look like normal ones (since they don't have enough space in their graphics)
    • Replace unknown item chozo statue graphics with normal statue graphics
      • sChozoStatueSpaceJumpGfx, sChozoStatueGravitySuitGfx, and sChozoStatuePlasmaBeamGfx in unknown_item_chozo_statue.c
    • Use normal statue OAM for unknown item statue
      • UnknownItemChozoStatueSyncSubSprites in unknown_item_chozo_statue.c
    • Use normal statue parts for unknown item statue parts
      • UnknownItemChozoStatueInit in unknown_item_chozo_statue.c
    • Use normal ball OAM for unknown item ball
      • ChozoBallInit, ChozoBallRevealingInit, and ChozoBallCheckRevealingAnimEnded in chozo_ball.c
• Get any item from zipline generator
  • ZiplineGeneratorInit and ZiplineGeneratorActivating in zipline_generator.c
• Get any item from Ruins Test
  • RuinsTestDespawn and RuinsTestSamusReflectionEnd in ruins_test.c
  • FallingChozoPillar in falling_chozo_pillar.c
  • MessageBannerRemovalInit and MessageBannerRemovalAnimation in message_banner.c
• Main missiles, super missiles, and power bombs
  • Equipment struct has additional bytes for main item flags
    • MainItemFlags in constants/samus.h
    • Equipment in structs/samus.h
    • InGameCutsceneCheckPlayOnTransition in in_game_cutscene.c
    • sDemo*_Ram in demo_data.c
    • SaveFile and SaveDemo in save_file.h
  • Fix checks related to current/max ammo amounts
    • SamusSetHighlightedWeapon in samus.c
    • HudUpdateOam in hud.c
    • SpriteUtilDetermineEnemyDrop in sprite_util.c
    • ChozoStatuePartArmRefill in chozo_statue.c
    • UnknownItemChozoStatuePartArmRefill in unknown_item_chozo_statue.c
    • GunshipRefill in gunship.c
    • DeoremWaitingForFight in deorem.c
    • StatusScreenSetBombsVisibility and StatusScreenSetMissilesVisibility in status_screen.c
  • Allow toggling items on pause debug screen
    • PauseDebugGroup in status_screen.h
    • sPauseDebugGroupsPositions in status_screen_data.c
    • PauseDebugActivateAbilities, PauseDebugStatusScreen, PauseDebugDrawAffectedGroups, PauseDebugEquipTank, and UpdateSuitType in status_screen.c
• Custom text on items
  • TextProcessMessageBanner in text.c
• Chozo statue hints
  • Add new messages for hints
    • MessageId in text.h
    • sEnglishTextPointers_Message in text_data.c
  • Make statues already sitting
    • ChozoStatueInit in chozo_statue.c
  • Display hint instead of going to map
    • ChozoStatueRegisterHint, ChozoStatueHintFlashing, and ChozoStatueDelayBeforeRefillAfterHint in chozo_statue.c
  • Allow viewing hint every time
    • ChozoStatuePartInit in chozo_statue.c
• Starting location and items
  • CutsceneEnd in cutscene_utils.c
  • InGameCutsceneTryQueue, InGameCutsceneCheckPlayOnTransition, and InGameCutsceneSamusCloseUp in in_game_cutscene.c
  • Allow starting on a save platform
    • InGameCutsceneInit in in_game_cutscene.c
    • SavePlatformInit in save_platform.c
    • SavePlatformChozodiaInit in save_platform_chozodia.c
• Room names
  • Change graphics and tilemap of world map to show "room name"
    • sPauseScreenHudGfx and sMapScreenOverlayTilemap in pause_screen_data.c
  • Don't draw highlighted area when changing areas
    • PauseScreenUpdateWorldMapHighlight and PauseScreenLoadAreaNamesAndIcons in pause_screen.c
    • MapScreenChangeMap in pause_screen_map.c
  • Change world map sub-menu to show room name
    • MapScreenToggleWorldMap in pause_screen_map.c
  • Prevent changing area when room name is shown
    • MapScreenHandler in pause_screen_map.c
• Credits
  • Include all ASCII characters
    • sCreditsCharactersGfx in ending_and_gallery_data.c
    • CreditsDisplayLine in ending_and_gallery.c

Fixes

• Allow laying power bombs without bombs
  • SamusCheckNewProjectile in samus.c
  • StatusScreenSetBombsVisibility and StatusScreenToggleItem in status_screen.c
• Disable varia animation
  • RoomLoad in room.c
• Don't give varia automatically when getting fully powered suit
  • ColorFadingProcess_GettingFullyPowered in room.c
  • PauseScreenGetMinimapData in pause_screen.c
• Change charge beam OAM to work with any item (and don't spawn glow)
  • ChargeBeamSpawnGlow, ChargeBeamVisibleInit, and ChargeBeamIdle in charge_beam.c
• Imago cocoon room fixes
  • Only use version of room with tunnel
    • Remove event connections from doors
      • sNorfairDoors in rooms_data.c
    • Fix BG0, BG1, and clipdata
      • sNorfair_43_Clipdata, sNorfair_43_Bg1, and sNorfair_43_Bg0 in norfair_43.c
    • Remove BG0 for room 51, since the BG0 blocks were removed from the tunnel
      • sNorfairRoomEntries in rooms_data.c
    • Fix transparency for water
      • sNorfairRoomEntries in rooms_data.c
    • Remove the floor if imago has been defeated
      • ImagoCocoonInit in imago_cocoon.c
    • Use room 34's scrolls (if entering from top right door) and extend bounds down
      • ImagoCocoonInit in imago_cocoon.c
      • sNorfair_12_Scrolls in norfair_34.c
  • Set "tunnel discovered" event when imago is defeated
    • Set event when imago is defeated
      • ImagoCocoonIdle in imago_cocoon.c
    • Remove event trigger sprite
      • sNorfair_43_Spriteset0 in norfair_43.c
• Imago room fixes
  • Unlock Imago door when it dies (instead of waiting to collect super missiles)
    • ImagoSetEvent in imago.c
  • Only use original version of room so item is always there
    • sRidleyDoors in rooms_data.c
    • ImagoInit in imago.c
• Allow both escape timers to work in any order
  • EscapeDetermineTimer in escape.c
• Make Chozo pillar near power grip always extended
  • RisingChozoPillar and ChozoPillarPlatform in rising_chozo_pillar.c
• Allow glass tube to be broken any time
  • GlassTubeCheckPowerBombCollision in glass_tube.c
• Using any beam on Ruins Test can hurt Samus
  • RuinsTestProjectileCollision in ruins_test.c
• Defeating Ruins Test sets Mother Brain killed event and Zebes escaped event
  • RuinsTestDespawn in ruins_test.c
• Fix space pirate alarm music
  • DisableChozodiaAlarm and DecrementChozodiaAlarm in space_pirate.c
• Fix space pirate power bomb OAM (flip horizontally)
  • sSpacePirateCarryingPowerBombOam_Frame* in space_pirate.c
• Fix searchlight eye vulnerability condition
  • SearchlightEyeInit in searchlight_eye.c
• Fix ending percent calculation and rescale to 100%
  • ChozodiaEscapeGetItemCountAndEndingNumber and ChozodiaEscapeGetItemCountAndEndingNumber in chozodia_escape.c
  • EndingImageInit in ending_and_gallery.c
  • CheckUnlockTimeAttack and TimeAttackCheckSetNewRecord in time_attack.c
  • SpriteUtilGetFinalCompletionPercentage in sprite_util.c
• Prevent Deorem from leaving, and only spawn at first location
  • DeoremInit, DeoremHandler, DeoremRetracting, DeoremEyeInit, and DeoremEyeIdle in deorem.c
• Only use fully powered suit graphics with gravity suit
  • Check for gravity when loading graphics/palette
    • SamusUpdateGraphicsOam and SamusUpdatePalette in samus.c
  • Use correct wireframe on status screen
    • PauseScreenUpdateWireframeSamus in pause_screen.c
• Ammo drop fixes
  • Drop power bombs if empty on power bombs and full on everything else
    • SpriteUtilDetermineEnemyDrop in sprite_util.c
  • Change missile drops to super missile drops if missiles aren't obtained and super missiles are empty
    • SpriteUtilDetermineEnemyDrop in sprite_util.c

Room/Tileset Changes

• Remove vines in Norfair and near varia
  • sNorfair_4_Spriteset0, sNorfair_4_Spriteset1, and sNorfair_4_Spriteset2 in norfair_4.c
  • sBrinstar_28_Spriteset1 and sBrinstar_28_Spriteset2 in brinstar_28.c
• Use Crateria room 0 instead of room 5 (landing site)
  • sCrateriaRoomEntries and sCrateriaDoors in rooms_data.c
  • sHatchLockEventsCrateria in hatch_data.c
  • GunshipInit in gunship.c
• Fix Crateria rooms 1 and 0x15 (large room left of landing site)
  • sHatchLockEventsCrateria in hatch_data.c
  • sCrateriaDoors in rooms_data.c
• Fix Crateria rooms near power grip (8, 0x10, and 0x11)
  • sCrateria_17_Bg1 and sCrateria_17_Clipdata in crateria_17.c
  • sCrateriaDoors in rooms_data.c
• Fix Chozodia rooms near glass tube
  • sChozodiaDoors in rooms_data.c
• Fix miscolored super missile tank near varia (is this necessary?)
  • sTileset_37_Tilemap in tilesets_set1.c
• Ensure tile value 0 is only used to mark the end of tilemap data
  • sTileset_65_Tilemap and sTileset_20_Tilemap in tilesets_set1.c
  • sTileset_9_Tilemap in tilesets_set2.c
  • sTileset_38_Tilemap and sTileset_48_Tilemap in tilesets_set7.c
• Add blank row to tileset 0x47 palette
  • sTileset_71_Pal in tilesets_set7.c
• Don't lock door in ziplines generator room
  • sHatchLockEventsKraid in hatch_data.c

QoL

• Enable toggling items on status screen
  • StatusScreenToggleItem in status_screen.c
• Always show in-game timer on pause screen (but don't show items)
  • PauseScreenDrawCompletionInfo in pause_screen.c

Options

• Allow black space pirates to be hit by any beam
  • BlackSpacePirateProjectileCollision in black_space_pirate.c
• Skip door transitions
  • ConnectionProcessDoorType in connection.c
• New file difficulty options
  • FileSelectInit, FileSelectUpdateSubMenu, and FileSelectProcessFileSelection file_select.c
  • sFileScreenMessagesInfo in file_select_data.c
  • sEnglishText_FileScreen_DifficultyHardOnly and sEnglishTextPointers_FileScreen in text_data.c
• Use ball launchers without bombs
  • MorphBallLauncherDetectBomb in morph_ball_launcher.c
• Disable infinite bomb jumping
  • SamusSetMidAir in samus.c
• Disable wall jumping
  • SamusSpinning in samus.c
• Skip suitless sequence
  • TourianEscapeSubroutine in cutscene_utils.c
  • UpdateMusicAfterPause in room_music.c
  • GunshipFlying in gunship.c
• Skip cutscenes
  • ConnectionCheckPlayCutsceneDuringTransition in connection.c
  • CheckPlayRoomMusicTrack in room_music.c
  • GunshipFlying in gunship.c
  • KraidInit and KraidDying in kraid.c
  • RidleyCheckPlayCutscene and RidleyDying in ridley.c
  • RuinsTestDespawn in ruins_test.c

Unused

• Chozo hints for any item
  • sChozoStatueTargetConditions in pause_screen_sub_menus_data.c
• Allow Chozo hint targets in all areas
  • sElevatorRoomPairs in clipdata_data.c
  • sMapScreenChozoStatueAreaNamesEnglishGfx in pause_screen_data.c
  • sChozoStatueTargetPathBrinstar and sChozoStatueTargetPathNorfair in pause_screen_sub_menus_data.c