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* Basic Watchers & Basilisks (#77630) ## About The Pull Request This one is a double feature because Watchers and Basilisks share the same typepath. You might see a couple more of those. As is tradition I decided to fuck with them rather than just port them. Here's what's up. **Basilisks**   - Have a new soulless sprite which looks less like a living blue hedge. - Walk at you and shoot you while you are not in range (just like before). - Become supercharged if they become "heated" by lava, lasers, or temperature weapons. This was a feature they also previously had but they would never encounter lava, so now it also works if you use the wrong gun on them. - Lose their supercharge if you cool them down. - Otherwise pretty normal mobs. **Watchers** https://www.youtube.com/watch?v=kOq_Bf78k5A Here's a traditional video of me intentionally getting hit by mechanics (trust me its definitely on purpose) - They glow emmissively a little bit so you can see them from further away. - Their eyes light up about 0.5 seconds before they are able to shoot at you. - No longer melee attack, instead try to stay out of melee. - Will occasionally put you into "Overwatch", meaning they will shoot you rapidly if you move or act while they're staring at you for a brief time period (after which you become immune for 12 seconds, and during which other watchers will play fair and stop shooting at you). - If they start taking damage they will also start using their "Gaze" attack, look away or suffer some kind of negative effect! - - Normal watcher gaze flashes and confuses you. - - Magmawing watcher gaze obviously burns (and briefly stuns) you. - - Icewing watcher gaze freezes you and throws you backwards. - Magnetically attract and eat diamonds. They also used to do this, but just if they happened to coincidentally walk past some. **Other accompanying changes** All basic mobs will now adopt the "stop gliding" trait if they get slowed down too much. I moved behaviour for "fire a projectile from this atom" into a helper proc because I was using it in three places and I will probably use it in more places. There are probably other places in the existing code which could be using this. I think I made the basic mob melee attack forecast default a little more forgiving, they were fucking me up too much and I am the playtester. ## Why It's Good For The Game Another one off the list. New tricks for old dogs. Framework for making mobs with ranged attacks "fairer" (you can see when they are ready to shoot you). More (hopefully) versatile AI behaviours which we will reuse later (I hope I'm not duplicating one someone already made). If our players "enjoy" them enough we can give more mobs "don't look at me" mechanics. Removes some soul sprites. ## Changelog 🆑 refactor: Basilisks and Watchers now use the basic mob framework. Please bug report any unusual behaviour. sprite: Basilisks have new sprites. add: Basilisks will go into a frenzy if heated by energy weapons or temperature beams as well as by lava. add: Watcher eyes will be illuminated briefly when they are ready to fire at you. add: Watchers can now briefly put you into "Overwatch" and penalise you for moving while they can see you. add: Wounded watchers will occasionally punish players who look at them. balance: Unusual watcher variants are more likely to appear. /🆑 * Basic Watchers & Basilisks * Modular paths --------- Co-authored-by: Jacquerel <hnevard@gmail.com> Co-authored-by: Giz <13398309+vinylspiders@users.noreply.github.com>
40 lines
1.9 KiB
Plaintext
40 lines
1.9 KiB
Plaintext
///Abstract class for an action an AI can take, can range from movement to grabbing a nearby weapon.
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/datum/ai_behavior
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///What distance you need to be from the target to perform the action
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var/required_distance = 1
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///Flags for extra behavior
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var/behavior_flags = NONE
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///Cooldown between actions performances, defaults to the value of CLICK_CD_MELEE because that seemed like a nice standard for the speed of AI behavior
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var/action_cooldown = CLICK_CD_MELEE
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/// Called by the ai controller when first being added. Additional arguments depend on the behavior type.
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/// Return FALSE to cancel
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/datum/ai_behavior/proc/setup(datum/ai_controller/controller, ...)
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return TRUE
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///Called by the AI controller when this action is performed
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/datum/ai_behavior/proc/perform(seconds_per_tick, datum/ai_controller/controller, ...)
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controller.behavior_cooldowns[src] = world.time + action_cooldown
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return
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///Called when the action is finished. This needs the same args as perform besides the default ones
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/datum/ai_behavior/proc/finish_action(datum/ai_controller/controller, succeeded, ...)
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LAZYREMOVE(controller.current_behaviors, src)
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controller.behavior_args -= type
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if(!(behavior_flags & AI_BEHAVIOR_REQUIRE_MOVEMENT)) //If this was a movement task, reset our movement target if necessary
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return
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if(behavior_flags & AI_BEHAVIOR_KEEP_MOVE_TARGET_ON_FINISH)
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return
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clear_movement_target(controller)
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controller.ai_movement.stop_moving_towards(controller)
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/// Helper proc to ensure consistency in setting the source of the movement target
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/datum/ai_behavior/proc/set_movement_target(datum/ai_controller/controller, atom/target, datum/ai_movement/new_movement)
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controller.set_movement_target(type, target, new_movement)
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/// Clear the controller's movement target only if it was us who last set it
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/datum/ai_behavior/proc/clear_movement_target(datum/ai_controller/controller)
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if (controller.movement_target_source != type)
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return
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controller.set_movement_target(type, null)
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