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{{item infobox
The '''AI''' (or '''artificial intelligence''') is the behavioral pattern exhibited by an NPC. For instance, the [[Caster AI]] will always warp, shoot three times, pause for three seconds, and then warp again. Knowing the AI an enemy uses can provide an advantage in combat, as it offers an idea of how the enemy will attack and react in given scenarios.
 
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| type = Furniture
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| rare = 0
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| placeable = Yes
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| width = 2
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| height = 2
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| stack = 999
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| consumable = True
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| use = 14
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| image = [[File:Sign.png]] [[File:HangingSign.png]]
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| id = 171
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| allversions = oui
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| idtile = 55
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}}
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[[File:Placed Signs.png|frame|Placed signs]]
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The '''Sign''' is a [[decorative]] [[furniture]] item that can store a player-written message. A sign must be placed and then right-clicked to edit or display its message. A sign can be placed on top of blocks, beside them, or hanging from their underside. They can also be placed on [[Walls]]. A sign's message can be up to 10 lines long, at 48 characters max per line, for a total of 480 characters maximum per sign. Signs can be used for decoration, labeling areas, adventure text, etc.
   
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== Crafting ==
In addition, additional AI is added for certain NPCs, such as the non-aggressive mode of surface slimes, the Eater of Souls' circling around the player, the Wandering Eye's acceleration, and the ranged attack of some Fighter AI mobs (added in [[1.1]]).
 
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=== Recipe ===
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{{crafting recipe
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| tool = Work Bench
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| item1 = Wood
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| amount1 = 6
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}}
   
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=== Used in ===
There are 72 different AI types: <noinclude>
 
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{{crafts top}}
{| class="terraria"
 
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{{crafts row
! ID
 
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| tool = Iron Anvil | toolspan = 13
! Name
 
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| result = Announcement Box |
! width="55%" | Description
 
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| Iron/Lead Bar | 4
! Opponents
 
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| Wire | 4
|-
 
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| Sign |
| 0
 
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}}
| Bound AI
 
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{{crafts bottom}}
| Doesn't move.
 
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| [[Bound Goblin]], [[Bound Wizard]], [[Bound Mechanic]], [[Webbed Stylist]], [[Sleeping Angler]]
 
  +
== History ==
|-
 
  +
{{history|1.3.1|Can be used to craft the Announcement Box.}}
| 1
 
  +
{{history|1.3.0.1|Hover to read now introduced. Can now be placed on [[Walls]].}}
| [[Slime AI]]
 
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{{history|1.2.4|Fixed bugs with the sign / npc chat display again.}}
| Hops in one direction, slides on slopes, floats in water, follows player, damages player.
 
  +
{{history|1.2.3|Fixed bug where sign bubbles would appear in the wrong place at [[Gravitation|reverse gravity]]. Fixed bug where info accessories displayed info when you looked at empty signs but not when you looked at signs with text. Fixed bug where the selected item was affected by pressing numbers while editing signs.}}
| All [[Slime]]s except [[King Slime]], [[Hoppin' Jack]], [[Grasshopper]]
 
  +
{{history|1.2|Stack limit increased from 250 to 999.}}
|-
 
  +
{{history|1.0.5|Destroying a placed sign while you are reading it will no longer cause your character to become frozen.}}
| 2
 
  +
{{history|Pre-Release|Introduced.}}
| Demon Eye AI
 
  +
| Flies, follows player, damages player, bounces off walls in an arc.
 
  +
{{Wooden furniture}}
| [[Demon Eye]], [[Wandering Eye]], [[The Hungry II]] (part of [[Wall of Flesh]]), [[Pigron]]
 
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{{Master Template Furniture
|-
 
  +
| show-other = yes
| 3
 
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}}
| [[Fighter AI]]
 
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[[fr:Panneau]]
| Walks, jumps over holes, follows player, damages player. If it fails to reach its target, it will back up a bit, then re-attempt. [[Angry Bones]] will also try quick jumping attacks when being close enough to the player.
 
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{{translation project}}
| [[Zombie]], [[Skeleton]], [[Skeleton Archer]], [[Angry Bones]], [[Armored Skeleton]], [[Goblin Scout]], [[Goblin Archer]], [[Corrupt Bunny]], [[Crab]], [[Werewolf]], [[Clown]], [[Chaos Elemental]], [[Possessed Armor]], [[Mummy]], [[Spectral Elemental]], [[Vampire]], [[Vampire Miner]], [[Frankenstein]], [[Swamp Thing]], [[Undead Viking]], [[Corrupt Penguin]], [[Face Monster]], [[Snow Flinx]], [[Nymph]], [[Armored Viking]], [[Lihzahrd]], [[Icy Merman]], [[Pirate Deckhand]], [[Pirate Corsair]], [[Pirate Deadeye]], [[Pirate Crossbower]], [[Pirate Captain]], [[Cochineal Beetle]], [[Cyan Beetle]], [[Lac Beetle]], [[Sea Snail]], [[Ice Golem]], [[Eyezor]], [[Anomura Fungus]], [[Mushi Ladybug]], [[Rusty Armored Bones]], [[Blue Armored Bones]], [[Hell Armored Bones]], [[Bone Lee]], [[Paladin]], [[Skeleton Sniper]], [[Tactical Skeleton]], [[Skeleton Commando]], [[Angry Bones]], [[Scarecrow]], [[Splinterling]], [[Zombie Elf]], [[Elf Archer]], [[Gingerbread Man]], [[Nutcracker]], [[Yeti]], [[Krampus]]
 
|-
 
| 4
 
| Eye of Cthulhu AI
 
| Floats in air, passes through walls, looks at player, charges at player occasionally, damages player, summons [[Servant of Cthulhu|servants]].
 
| [[Eye of Cthulhu]]
 
|-
 
| 5
 
| Flying AI
 
| Flies, looks at player, follows player, damages player.
 
| [[Servant of Cthulhu]], [[Eater of Souls]], [[Corruptor]], [[Hornet]], [[Probe]], [[Crimera]], [[Moss Hornet]], [[Moth]], [[Bee]], [[Parrot]], {{console icon}}[[Dragon Hornet]], {{console icon}} [[Servant of Ocram]], [[Meteor Head]]
 
|-
 
| 6
 
| [[Worm AI]]
 
| Burrows in ground, passes through blocks, follows player, damages player. Immune to lava.
 
| All parts of the following: [[Giant Worm]], [[Devourer]], [[Bone Serpent]], [[Eater of Worlds]], [[Digger]], [[World Feeder]], [[Wyvern]], {{console icon}} [[Arch Wyvern]], [[Leech]], [[Truffle Worm]]
 
|-
 
| 7
 
| Passive AI
 
| Walks, jumps over holes, cannot be attacked. (Although the [[Guide]] and the [[Clothier]] can be attacked while equipped with the [[Guide Voodoo Doll]] or [[Clothier Voodoo Doll]], respectively, and the critters can be attacked)
 
| All NPCs that move in to houses, [[Travelling Merchant]], [[Old Man]], [[Bunny]], [[Penguin]], [[Squirrel]], [[Mouse]], [[Frog]], [[Scorpion]], [[Black Scorpion]]
 
|-
 
| 8
 
| [[Caster AI]]
 
| Casts spells at player, stays stationary, warps after three casts, warps if falling, looks at player, damages player.
 
| [[Fire Imp]], [[Goblin Sorcerer]], [[Dark Caster]], [[Necromancer]], [[Diabolist]], [[Ragged Caster]], [[Tim]], [[Rune Wizard]]
 
|-
 
| 9
 
| Spell AI
 
| Travels in a direct line toward player, going through blocks. Used by casters.
 
| [[Burning Sphere]], [[Chaos Ball]], [[Vile Spit]], [[Water Sphere]]
 
|-
 
| 10
 
| Cursed Skull AI
 
| Drifts toward and around player, touches player, but often stays a little bit out of reach once having touched the player.
 
| [[Cursed Skull]], [[Giant Cursed Skull]], {{mobile icon}}/ {{console icon}} [[Dragon Skull]]
 
|-
 
| 11
 
| Head AI
 
| Floats, rolls on floor occasionally, damages player.
 
| [[Skeletron Head]], [[Dungeon Guardian]]
 
|-
 
| 12
 
| Skeletron Hand AI
 
| Waves, damages player.
 
| [[Skeletron Hand]]
 
|-
 
| 13
 
| Plant AI
 
| Passes through blocks, extends on a vine towards player, looks at player, damages player.
 
| [[Snatcher]], [[Man Eater]], [[Clinger]], [[Dragon Snatcher]], [[Angry Trapper]], [[Fungi Bulb]], [[Giant Fungi Bulb]]
 
|-
 
| 14
 
| Bat AI
 
| Spasmodically flies toward player, damages player.
 
| [[Harpy]], [[Cave Bat]], [[Jungle Bat]], [[Ice Bat]], [[Lava Bat]], [[Giant Flying Fox]], [[Hellbat]], [[Demon]], [[Voodoo Demon]], [[Giant Bat]], [[Illuminant Bat]], [[Slimer]], {{mobile icon}}/ {{console icon}} [[Arch Demon]], [[Red Devil]], [[Vampire]], [[Flying Snake]]
 
|-
 
| 15
 
| King Slime AI
 
| Hops toward the player, releases [[Blue Slime]]s when damaged, damages player.
 
| [[King Slime]]
 
|-
 
| 16
 
| Swimming AI
 
| Swims back and forth. Damages player.
 
| [[Corrupt Goldfish]], [[Piranha]], [[Arapaima]], [[Shark]], [[Blood Feeder]], [[Angler Fish]], {{mobile icon}}/ {{console icon}} [[Orca]]
 
|-
 
| 17
 
| Vulture AI
 
| Stands still until player gets within five blocks of AI. AI then acts similarly to the Flying AI.
 
| [[Vulture]], [[Raven]]
 
|-
 
| 18
 
| Jellyfish AI
 
| Swims toward player in small bursts. Damages player when touched.
 
| [[Blue Jellyfish]], [[Pink Jellyfish]], [[Green Jellyfish]], [[Squid]], [[Blood Jelly]], [[Fungo Fish]]
 
|-
 
| 19
 
| Antlion AI
 
| Looks at player, shoots at player, won't shoot if too far away.
 
| [[Antlion]], {{mobile icon}}/ {{console icon}} [[Albino Antlion]]
 
|-
 
| 20
 
| Spike Ball AI
 
| Swings in a circle from a pivot point on a chain.
 
| [[Spike Ball]]
 
|-
 
| 21
 
| Blazing Wheel AI
 
| Moves along the walls, floors and closed doors.
 
| [[Blazing Wheel]]
 
|-
 
| 22
 
| Hovering AI
 
| Similar to the Fighter AI, floats over the ground instead of jumping.
 
| [[Wraith]], [[Pixie]], [[Gastropod]], [[Spectral Gastropod]], [[Ice Elemental]], [[Floaty Gross]], [[Reaper]], [[Ichor Sticker]], [[Ghost]], [[Poltergeist]]
 
|-
 
| 23
 
| Flying Weapon AI
 
| Spins several times, then fly straight at the player. Any knockback cancels its attack and forces it to spin again.
 
| [[Cursed Hammer]], [[Enchanted Sword (NPC)|Enchanted Sword]], [[Shadow Hammer]], [[Crimson Axe]]
 
|-
 
| 24
 
| Bird AI
 
| Low, hectic spawn above ground. Avoids walls and obstacles and changes direction if one is in the way
 
| [[Bird]], [[Cardinal]], [[Blue Jay]]
 
|-
 
| 25
 
| Mimic AI
 
| Stands still until player approaches or attacks. AI then acts similarly to the Fighter AI.
 
| [[Mimic]], [[Nymph]], [[Present Mimic]]
 
|-
 
| 26
 
| Unicorn AI
 
| Slowly gains speed while moving, jump over obstacles.
 
| [[Unicorn]], [[Wolf]], [[Hellhound]], [[Headless Horseman]]
 
|-
 
| 27
 
| Wall of Flesh Body AI
 
| Quickly traverses the underworld horizontally, ignores wall collision
 
| [[Wall of Flesh]] body
 
|-
 
| 28
 
| Wall of Flesh Eye AI
 
| Watches player, and shoots projectiles. The more damaged it is the more it shoots. Joined onto the Wall of Flesh Body and ignores collision
 
| [[Wall of Flesh|Wall of Flesh Eye]] ([[Wall of Flesh|Wall of Flesh Mouth]])
 
|-
 
| 29
 
| The Hungry AI
 
| Similar to the Plant AI, but moves with the Wall of Flesh Body.
 
| [[The Hungry]] (part of [[Wall of Flesh]])
 
|-
 
| 30
 
| Retinazer AI
 
| Similar to the Eye of Cthulhu AI except it shoots lasers. Has two modes, Speed mode: shoots lasers now and again and Quick fire mode: Slows down but shoots lots of lasers, similar to a mini-gun.
 
| [[Retinazer]]
 
|-
 
| 31
 
| Spazmatism AI
 
| Similar to the Eye of Cthulhu AI except it spews fire occasionally and then constantly.
 
| [[Spazmatism]]
 
|-
 
| 32
 
| style=white-space:nowrap | Skeletron Prime Head AI
 
| Same as Head AI
 
| [[Skeletron Prime]]
 
|-
 
| 33
 
| Prime Saw AI
 
| Occasionally charges at the player.
 
| [[Prime Saw]]
 
|-
 
| 34
 
| Prime Vice AI
 
| Occasionally charges at the player.
 
| [[Prime Vice]]
 
|-
 
| 35
 
| Prime Cannon AI
 
| Fires bombs at player.
 
| [[Prime Cannon]]
 
|-
 
| 36
 
| Prime Laser AI
 
| Fires lasers at player.
 
| [[Prime Laser]]
 
|-
 
| 37
 
| The Destroyer AI
 
| Similar to worm AI except shoot lasers from the body and tail. It will also release [[Probe|Probes]].
 
| [[The Destroyer]]
 
|-
 
| 38
 
| Snowman AI
 
| Jumps and runs toward the player, similar to Fighter AI.
 
| [[Snowman Gangsta]], [[Mister Stabby]], [[Snow Balla]]
 
|-
 
| 39
 
| Tortoise AI
 
| Crawls a bit, leaps toward player.
 
| [[Giant Tortoise]], [[Ice Tortoise]]
 
|-
 
| 40
 
| Spider AI
 
| Capable of climbing background walls as well as through platforms. Similar to Fighter AI when there is no background wall.
 
| [[Black Recluse]], [[Wall Creeper]], [[Jungle Creeper]], [[Blood Crawler]]
 
|-
 
| 41
 
| Herpling AI
 
| Jumps high and attempts to land on the player. It can strafe to the sides in midair,
 
| [[Herpling]], [[Derpling]]
 
|-
 
| 42
 
| Lost Girl AI
 
|
 
| [[Lost Girl]]
 
|-
 
| 43
 
| Queen Bee AI
 
| Charges at player, flies above player, summons bees, fires stingers when above player.
 
| [[Queen Bee]]
 
|-
 
| 44
 
| Flying Fish AI
 
|
 
| [[Flying Fish]]
 
|-
 
| 45
 
| Golem Body AI
 
| Jumps on player every few seconds, loses head at second form.
 
| [[Golem]]
 
|-
 
| 46
 
| Golem Head AI
 
| Flies, spits fireballs at player, fires lasers at low health, fires faster at low health, detatches from golem body when out of health.
 
| [[Golem]]
 
|-
 
| 47
 
| Golem Fist AI
 
| Flies towards player, returns when hit
 
| [[Golem]]
 
|-
 
| 48
 
| Golem Head AI
 
|
 
| [[Golem]]
 
|-
 
| 49
 
| Angry Nimbus AI
 
| Floats above the player and follows him around the map, attempting to kill him with a rain-type attack similar to that of the [[Crimson Rod]] and the [[Nimbus Rod]].
 
| [[Angry Nimbus]]
 
|-
 
| 50
 
| Spore AI
 
|
 
| [[Fungi Spore]], [[Spore]]
 
|-
 
| 51
 
| Plantera AI
 
| Clings to nearby blocks, chases player, fires leaves, fires spiky balls that bounce around.
 
| [[Plantera]]
 
|-
 
| 52
 
| Plantera's Hook AI
 
|
 
| [[Plantera]]
 
|-
 
| 53
 
| Plantera's Tentacle AI
 
|
 
| [[Plantera]]
 
|-
 
| 54
 
| Brain of Cthulhu AI
 
| First form is protected by creepers, when all creepers are killed, second form, starts teleporting everywhere, chasing the player down until killed.
 
| [[Brain of Cthulhu]]
 
|-
 
| 55
 
| Creeper AI
 
| Circles around Brain of Cthulhu, charging at player, when Brain of Cthulhu teleports, they follow.
 
| [[Creeper]]
 
|-
 
| 56
 
| Dungeon Spirit AI
 
| Can go through walls.
 
| [[Dungeon Spirit]]
 
|-
 
| 57
 
| Mourning Wood AI
 
| Fires projectiles straight at the player that pass through blocks, fires projectiles that are affected by gravity and are stopped by blocks, hovers through blocks if too far from the player in order to reach him/her.
 
| [[Mourning Wood]], [[Everscream]]
 
|-
 
| 58
 
| Pumpking AI
 
|
 
| [[Pumpking]]
 
|-
 
| 59
 
| Pumpking AI
 
|
 
| [[Pumpking]]
 
|-
 
| 60
 
| Ice Queen AI
 
|
 
| [[Ice Queen]]
 
|-
 
| 61
 
| Santa-NK1 AI
 
| Fires with chain guns at the player, launches presents into the sky which open up parachutes and hover down across the screen, fires projectiles straight at the player that pass through blocks, drops large spiked balls when moving and low on health, hovers through blocks if too far from the player in order to reach him/her.
 
| [[Santa-NK1]]
 
|-
 
| 62
 
| Elf Copter AI
 
| Flies around you, shooting bullets rapidly at you if it has a line of sight. If it doesn't it will eagerly fly through walls to get at you.
 
| [[Elf Copter]]
 
|-
 
| 63
 
| Flocko AI
 
| Flies towards the player at high speed.
 
| [[Flocko]]
 
|-
 
| 64
 
| Firefly AI
 
|
 
| [[Firefly]], [[Lightning Bug]]
 
|-
 
| 65
 
| Butterfly AI
 
|
 
| [[Butterfly]]
 
|-
 
| 66
 
| Worm AI
 
|
 
| [[Worm]], [[Truffle Worm]]
 
|-
 
| 67
 
| Snail AI
 
|
 
| [[Snail]], [[Glowing Snail]]
 
|-
 
| 68
 
| Duck AI
 
|
 
| [[Duck]], [[Mallard Duck]]
 
|-
 
| 69
 
| Duke Fishron AI
 
| Rams player 5 times before summoning Sharknados or firing Detonating Bubbles. Summons larger Cthulhunados and flies in circles while summoning Detonating Bubbles in second form.
 
| [[Duke Fishron]]
 
|-
 
| 69
 
| Lepus AI {{mobile icon}}
 
| Jumps similarly to [[King Slime]], Lays easter eggs as it lands.
 
| [[Lepus]]
 
|-
 
| 70
 
| Detonating Bubble AI
 
|
 
| [[Detonating Bubble]]
 
|-
 
| 71
 
| Sharkron AI
 
| Spawned from Sharknados summoned by Duke Fishron. Follows an arcing path until it travels a certain distance, hits a player, wall, or is defeated.
 
| [[Sharkron]]
 
|}
 
[[Category:Game mechanics]]
 
[[ru:AI]] </noinclude>
 

Revision as of 01:14, 24 May 2016

Sign
Stack digit 9Stack digit 9Stack digit 9
Statistics
Type
Placeable✔️ (2 wide × 2 high)
Use time14 (Very fast)
Rarity0
Placed Signs

Placed signs

The Sign is a decorative furniture item that can store a player-written message. A sign must be placed and then right-clicked to edit or display its message. A sign can be placed on top of blocks, beside them, or hanging from their underside. They can also be placed on Walls. A sign's message can be up to 10 lines long, at 48 characters max per line, for a total of 480 characters maximum per sign. Signs can be used for decoration, labeling areas, adventure text, etc.

Crafting

Recipe

Template:Crafting recipe

Used in

Template:Crafts top Template:Crafts row Template:Crafts bottom

History

  • 1.3.1: Can be used to craft the Announcement Box.
  • 1.3.0.1: Hover to read now introduced. Can now be placed on Walls.
  • 1.2.4: Fixed bugs with the sign / npc chat display again.
  • 1.2.3: Fixed bug where sign bubbles would appear in the wrong place at reverse gravity. Fixed bug where info accessories displayed info when you looked at empty signs but not when you looked at signs with text. Fixed bug where the selected item was affected by pressing numbers while editing signs.
  • 1.2: Stack limit increased from 250 to 999.
  • 1.0.5: Destroying a placed sign while you are reading it will no longer cause your character to become frozen.

Template:Translation project