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VMSolidus
1728de60d2
I was unaware that Silicons were somehow considered a valid target for psionics this whole time.
92 lines
4.1 KiB
Plaintext
92 lines
4.1 KiB
Plaintext
/// !DEPRECATED: GO USE check_psi_sensitivity() INSTEAD
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/atom/movable/proc/has_psi_aug()
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return FALSE
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/mob/living/carbon/has_psi_aug()
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var/obj/item/organ/internal/augment/bioaug/psi/psiaug = internal_organs_by_name[BP_AUG_PSI]
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return psiaug && !psiaug.is_broken()
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/**
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* Checks via signal if the target is blocked from RECEIVING psionic messages.
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* Traditionally, most organic life can in some way RECEIVE psionic messages via a Zona Bovinae, though some lack it.
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* Implants, drugs, and some psi powers may temporarily block RECEIVING.
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*
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* User should be the "Caster" of the power if possible.
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* Wide_Field should be set to TRUE for anything calling this inside For/While loops.
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* Basically if you're searching a list, declare it TRUE so that lethal mind blankers don't instagib you.
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* If it's single-target, keep it FALSE.
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*
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* This is NOT a check for "Can Receive?", if you need that go use check_psi_sensitivity().
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*/
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/atom/movable/proc/is_psi_blocked(mob/user, var/wide_field = FALSE)
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var/cancelled = FALSE
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var/cancel_return = SPAN_WARNING("[src]'s mind is inaccessible, like hitting a brick wall.")
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SEND_SIGNAL(src, COMSIG_PSI_MIND_POWER, user, &cancelled, &cancel_return, wide_field)
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if(cancelled || (!has_zona_bovinae() && !has_psi_aug()))
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return cancel_return
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/**
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* Check the "effective psi-sensitivity" of a mob. AKA: The target's RECEIVING statistic.
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* This can be influenced by anything wishing to reply to the signal, such as implants, drugs, other psi-powers, etc.
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* It also includes the actual psi-sensitivity of real psionics such as Skrell.
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* This returns a float that is any real number (including negatives).
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*
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* A typical human will (assuming they have no positive temporary modifiers) will return anywhere from -2 and 0,
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* so for a "not-psi sensitive" check, you'll want to do check_psi_sensitivity() <= 0.
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*
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* A typical "real psionic" will return between 1 and 2. Possibly more.
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* So to check for "Yes they're psychic", look for check_psi_sensitivity >= 1
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*
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* And for "Any positive mods allowed", use check_psi_sensitivity > 0
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*/
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/atom/movable/proc/check_psi_sensitivity()
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var/effective_sensitivity = 0
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// effective_sensitivity is being sent as a Pointer by marking it with the Ampersand (&)
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// This means that components which have a RegisterSignal() associated with this will receive the memory address of the var/effective_sensitivity in this proc.
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// They are then allowed to add or subtract to this proc's var directly, without needing to return a number.
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// We have to do this with a pointer because it allows us to obtain a Sum of all psi-sensitivity modifiers.
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// If we instead relied on a Return, we would only be able to get the modifier of the first component to respond.
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SEND_SIGNAL(src, COMSIG_PSI_CHECK_SENSITIVITY, &effective_sensitivity)
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// Pointers can be problematic if they're used to point to a value on a datum, since that can cause unintended hard deletes.
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// Here however, their use is acceptable because the pointer will cease to exist as soon as the proc reaches this return statement.
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return effective_sensitivity
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/mob/living/check_psi_sensitivity()
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var/effective_sensitivity = ..()
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if(psi)
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effective_sensitivity += psi.get_rank()
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return effective_sensitivity
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/atom/movable/proc/has_zona_bovinae()
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return FALSE
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/mob/living/has_zona_bovinae()
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return TRUE
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/mob/living/silicon/has_zona_bovinae()
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return FALSE
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/mob/living/carbon/has_zona_bovinae()
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if(HAS_TRAIT(src, TRAIT_PSIONICALLY_DEAF))
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return FALSE
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return TRUE
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/atom/movable/proc/is_psi_pingable()
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return !is_psi_blocked()
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/mob/living/simple_animal/is_psi_pingable()
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return psi_pingable
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/**
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* A common layered filter pattern for psionics. Helps with reducing the size of guard clauses.
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* Includes every psionic check for RECEIVING starting with the Zona Bovina, and ending with Psi-sensitivity.
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* Set the sensitivity_threshold for your desired minimum Psi-sensitivity to pass.
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* The most common ones you might want are:
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* 2 for "Antag-like".
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* 1 for "Skrell-like".
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* 0 for "Human-like".
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*/
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/atom/movable/proc/is_telepathy_blocked(var/sensitivity_threshold = 0)
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return (!has_zona_bovinae() || is_psi_blocked() || check_psi_sensitivity() < sensitivity_threshold)
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