Description
Template (Game Messages)
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| Mechanics
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This document is about game mechanics.
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Game Mechanics
Creatures in SWG use a complex system to detect the presence of potential enemies. Once a target is detected, a number of processes execute to determine if the creature should attack the target or not. The process of target detection and creature response are explained under the following categories:
- Awareness Checks
- Approach Trigger Events
Awareness Checks
The ability for a creature to detect another target depends on a number of factors:
- The Target's distance from the creature
- The detecting creature being a stalker
- The target's posture
- The target's movement speed
- The usage of mask scent or camouflage
- Being in combat with the target
Note: There are no known formulas for detection chances.
The distance of a target from the creature is the initial trigger for creature behaviors. At 128 meters, creatures with stalking behavior will have a chance to chase after potential targets. Target's with mask scent or camouflage counter this behavior and stalking behavior cannot be initiated by creatures against targets with these effects up. Stalking behavior is not necessarily actual detection but resembles real-world hunter-prey where the hunting animal is following the scent of the potential prey, although not necessarily having spotted the prey item yet. Non stalking and stalking creatures begin actual target detection checks at 64 meters. Whenever a target enters the detection range of creatures, the system begins an awareness check cycle where at every cycle, the target's current posture, movement speed and distance are calculated into an detection response chance by the creature. Target's with mask scent or camouflage utilize their own roll check at this stage. Successful passing of the mask scent or camouflage will override any awareness checks against the target. If the creature passes the detection chance then the target's presence is made aware to the creature and awareness triggers begin. When a creature becomes aware of a target within its awareness range, the creature indicates their knowledge of the target through a flytext question mark "?"
Distance affects on awareness -
The closer a target is to the creature, the greater the chances that the creature will be made aware of the target. A creature's awareness increases significantly against targets that are at 40 meters or closer to them.
Posture affects on awareness -
The three types of posture of a target will have great effects on the detection chances of the creature. Standing posture provides the least chance to the target in its check against a creature's awareness; Kneeling provides a lesser chance to the target and Prone posture provides the best chances to the target.
Movement speed affects on awareness -
The movement speed of the target offers a penalty against its check with a creature's awareness. The slower that the target is moving, the higher its chances of remaining undetected. Stationary targets have the best chance of remaining hidden while targets that are walking, running, mounted or using vehicles have higher chances.
Being in Combat -
If the target has initiated an attack on the creature then this will automatically trigger awareness of the target, however aggression will not be triggered until the creature has detected the target. Creatures in combat will initiate patrolling behavior and roam around trying to detect their attacker.
Approach Trigger Events
Whenever an npc, creature or player enters within a 64 meter range of a creature and the creature passes an initial awareness check, several events may be triggered depending on the creature:
- ! - Detection
- \|/ - Fight or Flight Response
Detection
Once the creature has passed an awareness check, it will then use the same awareness mechanics to perform a detection roll at every cycle. The purpose of the detection check is to find the actual location of the target. Creatures cannot respond to aggression until they have actually detected the target first. If the creature passes this roll then the target is detected and the creature may then begin its fight or flight response to the potential threat. When a creature successfully detects a target it will react and signal with an exclamation mark "!" Creatures are also automatically given detection on a target if any one of the surrounding lair mates spots a target or if a Scout creature from the lair alarms the lair mates after being attacked. Unaggressive and timid MOBs will stand and look at you, but may quickly decide to take action. A target's chance of being detected increases significantly if the target is at 40 meters or less from the creature. Target detection can be overridden by using mask scent or camouflage. If a target leaves the awareness range of a creature, and then re-enters then the process resets and begins again.
Fight or Flight Response
Upon detecting a target, the creature will then initiate another roll to determine what it's response will be. Non aggressive creatures will choose from a number of responses (dependant on the type of creature) ranging from bluff charging the target to actually fleeing the target's immediate presence. Aggressive creatures may engage in charges and/or then begin a check to determine if they will actively attack the spotted target. The chance for a creature to immediately begin combat with the detected target is determined by the creature's ferocity. A higher ferocity increases the chance that a creature will become aggressive against the detected target in range. An aggression check cycle is started which uses the creature's ferocity value to determine the chance that it will then begin attacking provided that the target remains in a detected state. The closer a target is to the creature, the higher the chances are that the creature will perform some kind of response (bluff charge, fleeing, aggression).
Source References
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