Difference between revisions of "Reactions"

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'''Tip:''' If some soldiers have high reaction and some have low, the high ones are liable to get off a ton of shots before the low ones, and kill the target. Thus, the high ones get even higher, distancing themselves even more from the low ones - a vicious circle. If you want to build up low Reaction skills, try to keep "reaction stealing" in mind and work around it. If you have the funds, most players recommend recruits with at least 40 Reaction, if not 50 - there seems to be a definite notch where low Reaction soldiers get left behind. Also see the links [[Reactions#See Also|below]] for more tips on training skills.
 
'''Tip:''' If some soldiers have high reaction and some have low, the high ones are liable to get off a ton of shots before the low ones, and kill the target. Thus, the high ones get even higher, distancing themselves even more from the low ones - a vicious circle. If you want to build up low Reaction skills, try to keep "reaction stealing" in mind and work around it. If you have the funds, most players recommend recruits with at least 40 Reaction, if not 50 - there seems to be a definite notch where low Reaction soldiers get left behind. Also see the links [[Reactions#See Also|below]] for more tips on training skills.
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''[ [[User:NKF|NKF]]: Alternately, arm the high reaction soldiers with slower-firing snapshot weapons (heavy laser/cannon, auto-cannon or rocket launcher, for example) and arm the low reaction soldiers with faster firing snapshot weapons (pistol, laser pistol). This evens things out a bit, and although the higher reaction soldier will fire first, the higher TU cost lowers the reaction level considerably. And the lower TU drop for the faster pistols means the soldiers with lower reactions will not drop in reaction level as quickly. You've just got to remember that no matter how high your reactions are, they're meaningless if you don't have any time units. <br><br>It's always a lot better to train reactions as a group, with some high reaction soldiers to soften up the enemies a bit. The more the merrier, as they say. Also, the sight of 8 - 10 soldiers with laser pistols unleashing a seemingly endless amount of bolts of light at a couple of aliens leaving a UFO is sight any player should behold, at least once.<br><br>Some food for thought regarding the reaction skill. Does the reaction counter increase with an unloaded weapon? Or does it happen in the scenario you mention, when there's insufficient TUs to fire, but your reaction level is greater than the alien's.<br><br>Here's one related question I'd like to see answered sometime: What actions cause an attack of opportunity to be triggered? I ask this because not all actions that use TUs will trigger it immediately, such as muddling around in the inventory screen.<br>] ''
  
 
==Maximum Cap==
 
==Maximum Cap==

Revision as of 01:09, 15 October 2005

Along with TUs, a unit's Reaction rating is one of the most vital resources a unit can have in combat. Reaction influences precedence - who gets priority to make their move. It is used offensively and defensively. The side that's currently issuing orders (the attacker) uses reactions to prevent opportunity shots while the waiting side (the defender) uses reactions to take shots of opportunity.

When two opposing units are within range of each other, the Reaction levels of both units are compared. The unit with the highest Reactions gets to make the move. If the defender is not aware of the attacker, no check is made. However, as soon as the defender is made aware of the attacker, a check is made and will then perform an attack of opportunity if the conditions for a reaction shot are satisfied. Note that if an attacker with lower reactions is exposed to a defender with high reaction due to the actions of another unit (such as shooting away a wall), the check is not made and the exposed attacker is not fired upon. However, the moment the exposed attacker moves, the defender will be able to obtain an attack of opportunity given the right conditions.

What is not common knowledge is how the overall reaction level of any given unit is also influenced by the percentage of the unit's remaining TUs! So say an alien has 100 reactions but only has 60% of its remaining TUs. Its actual Reaction level is really 60, not 100. If it takes a Snap Shot, which costs 30% for any plasma weapon, the remaining TU percentage will drop to 30%, and so will the Reaction level. For more information, see Reaction fire formula. --JellyfishGreen 10:51, 25 Apr 2005 (BST)

With this in mind, one could say that for the best opportunity attacks, end your turn with full TUs, wielding weapons with low snapshot costs. The Pistol, Laser Pistol, and Laser Rifle are by far the best weapons in the X-COM arsenal for attacks of opportunity. Still, these weapons (especially the standard pistol) may not be enough to take down e.g. Mutons. Adapt to your situation.

Player controlled units only react with Snap Shots, while the AI has the additional option of using Auto Shots.

For melee attacks, it is often best to use a mind probe to examine the stats of any alien that you wish to approach. By getting an overall impression of the alien's remaining TUs and its reaction level, you can get a good idea of how safe the alien will be to approach.

Starting Values

New recruits will always begin with a value between 30 and 60.

Improvement

Reaction points are awarded (at end of combat) depending on how many times you took reaction shots. Missed reaction shots do count - all that matters is that you reacted. (Misses don't count for Firing Accuracy increases, though.)

You can be awarded up to an average of 4 skill points (range 2-6) per combat mission if you make at least 11 reaction shots. The point award does not depend on your current skill level, only on the number of reactions. For more particulars on skill-point increases, see Experience.

Note: Although there are several area-effect weapons that can be fired with a reaction shot (stun bomb, auto and heavy cannon, rocket launcher), each reaction shot only gives you 1 point of reaction experience, even if the shot impacts numerous aliens. From the game's perspective, you were only reacting versus one particular alien. However, multiple hits from one reaction shot will give you multiple experience points toward firing accuracy skill increase.

For the record: Occasionally, the game will record more reaction experience counts than rounds fired. Presumably this is due to your soldier starting to react, but then being unable to take the shot, such as if they reaction-turn to fire, but the turn then leaves insufficient TUs to shoot. (This is just a guess... it is not caused by soldiers "continuing to try to react" if their clip just ran out but they have enough TUs to react again.) In a firing squad scenario, up to 15 reactions were seen on a clip of 12 bullets (although most soldiers had the expected 12). The average extra count was maybe 6%. Anyway, unless/until it's known exactly what causes this (so that it might be exploited), well... sometimes you get a little bonus, even if you didn't know it. Unless you're perverted enough to watch Unitref etc., it's mostly lost in the noise of blasting away. As it were.

Tip: If some soldiers have high reaction and some have low, the high ones are liable to get off a ton of shots before the low ones, and kill the target. Thus, the high ones get even higher, distancing themselves even more from the low ones - a vicious circle. If you want to build up low Reaction skills, try to keep "reaction stealing" in mind and work around it. If you have the funds, most players recommend recruits with at least 40 Reaction, if not 50 - there seems to be a definite notch where low Reaction soldiers get left behind. Also see the links below for more tips on training skills.

[ NKF: Alternately, arm the high reaction soldiers with slower-firing snapshot weapons (heavy laser/cannon, auto-cannon or rocket launcher, for example) and arm the low reaction soldiers with faster firing snapshot weapons (pistol, laser pistol). This evens things out a bit, and although the higher reaction soldier will fire first, the higher TU cost lowers the reaction level considerably. And the lower TU drop for the faster pistols means the soldiers with lower reactions will not drop in reaction level as quickly. You've just got to remember that no matter how high your reactions are, they're meaningless if you don't have any time units.

It's always a lot better to train reactions as a group, with some high reaction soldiers to soften up the enemies a bit. The more the merrier, as they say. Also, the sight of 8 - 10 soldiers with laser pistols unleashing a seemingly endless amount of bolts of light at a couple of aliens leaving a UFO is sight any player should behold, at least once.

Some food for thought regarding the reaction skill. Does the reaction counter increase with an unloaded weapon? Or does it happen in the scenario you mention, when there's insufficient TUs to fire, but your reaction level is greater than the alien's.

Here's one related question I'd like to see answered sometime: What actions cause an attack of opportunity to be triggered? I ask this because not all actions that use TUs will trigger it immediately, such as muddling around in the inventory screen.
]

Maximum Cap

An X-COM soldier's Reactions are capped at 100. However, because you can get a +6 roll when at 99, a soldier can have up to 105 Reactions (if they're really lucky!). For more info, see Regarding Caps.

See Also