forked from Jaysyn/PRC8
192 lines
9.0 KiB
Plaintext
192 lines
9.0 KiB
Plaintext
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/*:://////////////////////////////////////////////
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//:: Name AI Senses include.
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//:: FileName SMP_AI_INCSENSE
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//:://////////////////////////////////////////////
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//:: Description
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//:://////////////////////////////////////////////
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Include file for Tremmorsense, scent and so on.
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Tremmorsense:
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Tremorsense (Ex): A creature can detect and pinpoint any creature or
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object within 20 meters (60 feet) in contact with the ground.
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- 20M can be different.
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BLINDSIGHT AND BLINDSENSE
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Blindsense (Ex): Using nonvisual senses, such as acute smell or hearing, a
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creature with blindsense notices things it cannot see. The creature usually
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does not need to make Spot or Listen checks to pinpoint the location of a
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creature within range of its blindsense ability, provided that it has line
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of effect to that creature. Any opponent the creature cannot see still has
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total concealment against the creature with blindsense, and the creature
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still has the normal miss chance when attacking foes that have concealment.
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Visibility still affects the movement of a creature with blindsense. A
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creature with blindsense is still denied its Dexterity bonus to Armor Class
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against attacks from creatures it cannot see.
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Blindsight (Ex): This ability is similar to blindsense, but is far more
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discerning. Using nonvisual senses, such as sensitivity to vibrations, keen
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smell, acute hearing, or echolocation, a creature with blindsight maneuvers
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and fights as well as a sighted creature. Invisibility, darkness, and most
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kinds of concealment are irrelevant, though the creature must have line of
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effect to a creature or object to discern that creature or object. The
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ability<74>s range is specified in the creature<72>s descriptive text. The
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creature usually does not need to make Spot or Listen checks to notice
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creatures within range of its blindsight ability. Unless noted otherwise,
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blindsight is continuous, and the creature need do nothing to use it. Some
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forms of blindsight, however, must be triggered as a free action. If so,
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this is noted in the creature<72>s description. If a creature must trigger its
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blindsight ability, the creature gains the benefits of blindsight only
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during its turn.
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Special abilties descriptions:
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Some creatures have blindsight, the extraordinary ability to use a nonvisual
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sense (or a combination of such senses) to operate effectively without
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vision. Such sense may include sensitivity to vibrations, acute scent, keen
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hearing, or echolocation. This ability makes invisibility and concealment
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(even magical darkness) irrelevant to the creature (though it still can<61>t
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see ethereal creatures). This ability operates out to a range specified in
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the creature description.
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* Blindsight never allows a creature to distinguish color or visual
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contrast. A creature cannot read with blindsight.
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* Blindsight does not subject a creature to gaze attacks (even though
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darkvision does).
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* Blinding attacks do not penalize creatures using blindsight.
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* Deafening attacks thwart blindsight if it relies on hearing.
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* Blindsight works underwater but not in a vacuum.
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* Blindsight negates displacement and blur effects.
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Blindsense: Other creatures have blindsense, a lesser ability that lets the
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creature notice things it cannot see, but without the precision of
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blindsight. The creature with blindsense usually does not need to make Spot
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or Listen checks to notice and locate creatures within range of its
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blindsense ability, provided that it has line of effect to that creature.
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Any opponent the creature cannot see has total concealment (50% miss chance)
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against the creature with blindsense, and the blindsensing creature still
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has the normal miss chance when attacking foes that have concealment.
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Visibility still affects the movement of a creature with blindsense. A
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creature with blindsense is still denied its Dexterity bonus to Armor Class
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against attacks from creatures it cannot see.
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Scent (Ex): This special quality allows a creature to detect approaching
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enemies, sniff out hidden foes, and track by sense of smell. Creatures with
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the scent ability can identify familiar odors just as humans do familiar
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sights.
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The creature can detect opponents within 10M (30 feet) by sense of smell. If
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the opponent is upwind, the range increases to 20M (60 feet); if downwind, it
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drops to 5M (15 feet). Strong scents, such as smoke or rotting garbage, can be
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detected at twice the ranges noted above. Overpowering scents, such as
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skunk musk or troglodyte stench, can be detected at triple normal range.
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When a creature detects a scent, the exact location of the source is not
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revealed<65>only its presence somewhere within range. The creature can take
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a move action to note the direction of the scent.
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Whenever the creature comes within 1.5M (5 feet) of the source, the creature
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pinpoints the source<63>s location.
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Creatures with the scent ability can identify familiar odors just as
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humans do familiar sights.
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Water, particularly running water, ruins a trail for air-breathing
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creatures. Water-breathing creatures that have the scent ability, however,
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can use it in the water easily.
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False, powerful odors can easily mask other scents. The presence of such an
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odor completely spoils the ability to properly detect or identify creatures,
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and the base Survival DC to track becomes 20 rather than 10.
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Tremorsense (Ex): A creature with tremorsense is sensitive to vibrations
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in the ground and can automatically pinpoint the location of anything that
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is in contact with the ground. The ability<74>s range is specified in the
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creature<72>s descriptive text.
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A creature with tremorsense automatically senses the location of anything
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that is in contact with the ground and within range.
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If no straight path exists through the ground from the creature to those
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that it<69>s sensing, then the range defines the maximum distance of the
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shortest indirect path. It must itself be in contact with the ground, and
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the creatures must be moving.
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As long as the other creatures are taking physical actions, including
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casting spells with somatic components, they<65>re considered moving; they
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don<6F>t have to move from place to place for a creature with tremorsense
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to detect them.
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//:://////////////////////////////////////////////
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//:: Created By: Jasperre
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//::////////////////////////////////////////////*/
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// Include constants
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#include "SMP_INC_CONSTANTS"
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// Returns a creature we cannot see or hear, but can sense by them moving.
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// If they have moved since the last time we used this, or are moving now, and
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// are within the range of 20M, we attack them.
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object SMPAI_Tremmorsense();
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// Returns, for searching, an object we can smell within 10M.
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object SMPAI_ScentSearch();
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// Returns, if any, an object which is detected within 1.5M we can smell.
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object SMPAI_ScentAttack();
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// Returns a creature we cannot see or hear, but can sense by them moving.
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// If they have moved since the last time we used this, or are moving now, and
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// are within the range of 20M, we attack them.
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object SMPAI_Tremmorsense()
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{
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// Check if anyone is within 20M we cannot see or hear
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int nNth = 1;
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object oTest = GetNearestCreature(CREATURE_TYPE_IS_ALIVE, TRUE, OBJECT_SELF, nNth, CREATURE_TYPE_REPUTATION, REPUTATION_TYPE_ENEMY, CREATURE_TYPE_PERCEPTION, PERCEPTION_NOT_SEEN_AND_NOT_HEARD);
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while(GetIsObjectValid(oTest) && GetDistanceToObject(oTest) <= 20.0)
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{
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// If they are moving
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if(GetCurrentAction(oTest) == ACTION_MOVETOPOINT)
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{
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// Return this object
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return oTest;
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}
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nNth++;
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oTest = GetNearestCreature(CREATURE_TYPE_IS_ALIVE, TRUE, OBJECT_SELF, nNth, CREATURE_TYPE_REPUTATION, REPUTATION_TYPE_ENEMY, CREATURE_TYPE_PERCEPTION, PERCEPTION_NOT_SEEN_AND_NOT_HEARD);
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}
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// Nothing found to attack
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return OBJECT_INVALID;
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}
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// Returns, for searching, an object we can smell within 10M.
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object SMPAI_ScentSearch()
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{
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// Check if anyone is within 10M we cannot see or hear
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object oTest = GetNearestCreature(CREATURE_TYPE_IS_ALIVE, TRUE, OBJECT_SELF, 1, CREATURE_TYPE_REPUTATION, REPUTATION_TYPE_ENEMY, CREATURE_TYPE_PERCEPTION, PERCEPTION_NOT_SEEN_AND_NOT_HEARD);
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if(GetIsObjectValid(oTest) && GetDistanceToObject(oTest) <= 10.0)
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{
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// Return this object
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return oTest;
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}
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// Nothing found to attack
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return OBJECT_INVALID;
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}
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// Returns, if any, an object which is detected within 1.5M we can smell.
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object SMPAI_ScentAttack()
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{
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// Check if anyone is moving within 1.5M we cannot see or hear
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object oTest = GetNearestCreature(CREATURE_TYPE_IS_ALIVE, TRUE, OBJECT_SELF, 1, CREATURE_TYPE_REPUTATION, REPUTATION_TYPE_ENEMY, CREATURE_TYPE_PERCEPTION, PERCEPTION_NOT_SEEN_AND_NOT_HEARD);
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if(GetIsObjectValid(oTest) && GetDistanceToObject(oTest) <= 1.5)
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{
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// Return this object
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return oTest;
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}
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// Nothing found to attack
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return OBJECT_INVALID;
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}
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