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@ -76,6 +76,7 @@ namespace
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namespace MWMechanics
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{
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static const float MAX_ATTACK_DURATION = 0.35f;
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static const float DOOR_CHECK_INTERVAL = 1.5f; // same as AiWander
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// NOTE: MIN_DIST_TO_DOOR_SQUARED is defined in obstacle.hpp
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@ -86,7 +87,7 @@ namespace MWMechanics
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mTimerCombatMove(0),
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mFollowTarget(false),
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mReadyToAttack(false),
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mStrike(false),
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mAttack(false),
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mCombatMove(false),
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mMovement(),
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mForceNoShortcut(false),
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@ -182,7 +183,7 @@ namespace MWMechanics
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}
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mTimerAttack -= duration;
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actor.getClass().getCreatureStats(actor).setAttackingOrSpell(mStrike);
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actor.getClass().getCreatureStats(actor).setAttackingOrSpell(mAttack);
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float tReaction = 0.25f;
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if(mTimerReact < tReaction)
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@ -203,16 +204,16 @@ namespace MWMechanics
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//actual attacking logic
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//TODO: Some skills affect period of strikes.For berserk-like style period ~ 0.25f
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float attackPeriod = 1.0f;
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float attacksPeriod = 1.0f;
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if(mReadyToAttack)
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{
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if(mTimerAttack <= -attackPeriod)
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if(mTimerAttack <= -attacksPeriod)
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{
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//TODO: should depend on time between 'start' to 'min attack'
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//for better controlling of NPCs' attack strength.
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//Also it seems that this time is different for slash/thrust/chop
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mTimerAttack = 0.35f * static_cast<float>(rand())/RAND_MAX;
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mStrike = true;
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mTimerAttack = MAX_ATTACK_DURATION * static_cast<float>(rand())/RAND_MAX;
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mAttack = true;
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//say a provoking combat phrase
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if (actor.getClass().isNpc())
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@ -227,12 +228,12 @@ namespace MWMechanics
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}
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}
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else if (mTimerAttack <= 0)
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mStrike = false;
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mAttack = false;
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}
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else
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{
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mTimerAttack = -attackPeriod;
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mStrike = false;
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mTimerAttack = -attacksPeriod;
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mAttack = false;
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}
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const MWWorld::Class &actorCls = actor.getClass();
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@ -277,31 +278,23 @@ namespace MWMechanics
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/*
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* Some notes on meanings of variables:
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*
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* rangeMelee:
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* rangeAttack:
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*
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* - Distance where attack using the actor's weapon is possible
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* - longer for ranged weapons (obviously?) vs. melee weapons
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* - Distance where attack using the actor's weapon is possible:
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* longer for ranged weapons (obviously?) vs. melee weapons
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* - Determined by weapon's reach parameter; hardcoded value
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* for ranged weapon and for creatures
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* - Once within this distance mFollowTarget is triggered
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* (TODO: check whether the follow logic still works for ranged
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* weapons, since rangeCloseup is set to zero)
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* - TODO: The variable name is confusing. It was ok when AiCombat only
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* had melee weapons but now that ranged weapons are supported that is
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* no longer the case. It should really be renamed to something
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* like rangeStrike - alternatively, keep this name for melee
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* weapons and use a different variable for tracking ranged weapon
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* distance (rangeRanged maybe?)
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*
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* rangeCloseup:
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* rangeFollow:
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*
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* - Applies to melee weapons or hand to hand only (or creatures without
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* weapons)
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* - Distance a little further away from the actor's weapon strike
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* i.e. rangeCloseup > rangeMelee for melee weapons
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* (the variable names make this simple concept counter-intuitive,
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* something like rangeMelee > rangeStrike may be better)
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* - Distance a little further away than the actor's weapon reach
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* i.e. rangeFollow > rangeAttack for melee weapons
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* - Hardcoded value (0 for ranged weapons)
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* - Once the target gets beyond this distance mFollowTarget is cleared
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* and a path to the target needs to be found
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* - TODO: Possibly rename this variable to rangeMelee or even rangeFollow
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*
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* mFollowTarget:
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*
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@ -311,19 +304,19 @@ namespace MWMechanics
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* target even if LOS is not achieved)
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*/
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float rangeMelee;
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float rangeCloseUp;
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float rangeAttack;
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float rangeFollow;
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bool distantCombat = false;
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if (weaptype == WeapType_BowAndArrow || weaptype == WeapType_Crossbow || weaptype == WeapType_Thrown)
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{
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rangeMelee = 1000; // TODO: should depend on archer skill
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rangeCloseUp = 0; // not needed in ranged combat
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rangeAttack = 1000; // TODO: should depend on archer skill
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rangeFollow = 0; // not needed in ranged combat
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distantCombat = true;
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}
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else
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{
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rangeMelee = weapRange;
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rangeCloseUp = 300;
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rangeAttack = weapRange;
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rangeFollow = 300;
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}
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ESM::Position pos = actor.getRefData().getPosition();
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@ -339,42 +332,42 @@ namespace MWMechanics
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mLastPos = pos;
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// check if can move along z-axis
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bool canMoveByZ;
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if(canMoveByZ = (actorCls.canSwim(actor) && MWBase::Environment::get().getWorld()->isSwimming(actor))
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|| MWBase::Environment::get().getWorld()->isFlying(actor))
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// check if actor can move along z-axis
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bool canMoveByZ = (actorCls.canSwim(actor) && MWBase::Environment::get().getWorld()->isSwimming(actor))
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|| MWBase::Environment::get().getWorld()->isFlying(actor);
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if(canMoveByZ)
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{
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// determine vertical angle to target
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mMovement.mRotation[0] = getXAngleToDir(vDirToTarget, distToTarget);
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}
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// (within strike dist) || (not quite strike dist while following)
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if(distToTarget < rangeMelee || (distToTarget <= rangeCloseUp && mFollowTarget && !isStuck) )
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if(distToTarget < rangeAttack || (distToTarget <= rangeFollow && mFollowTarget && !isStuck) )
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{
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//Melee and Close-up combat
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vDirToTarget.z = 0;
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mMovement.mRotation[2] = getZAngleToDir(vDirToTarget, distToTarget);
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// (not quite strike dist while following)
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if (mFollowTarget && distToTarget > rangeMelee)
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if (mFollowTarget && distToTarget > rangeAttack)
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{
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//Close-up combat: just run up on target
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mMovement.mPosition[1] = 1;
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}
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else // (within strike dist)
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{
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//Melee: stop running and attack
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mMovement.mPosition[1] = 0;
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// set slash/thrust/chop attack
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if (mStrike && !distantCombat) chooseBestAttack(weapon, mMovement);
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if (mAttack && !distantCombat) chooseBestAttack(weapon, mMovement);
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if(mMovement.mPosition[0] || mMovement.mPosition[1])
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{
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mTimerCombatMove = 0.1f + 0.1f * static_cast<float>(rand())/RAND_MAX;
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mCombatMove = true;
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}
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else if(actorCls.isNpc() && (!distantCombat || (distantCombat && distToTarget < rangeMelee/2)))
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// only NPCs are smart enough to use dodge movements
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else if(actorCls.isNpc() && (!distantCombat || (distantCombat && distToTarget < rangeAttack/2)))
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{
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//apply sideway movement (kind of dodging) with some probability
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if(static_cast<float>(rand())/RAND_MAX < 0.25)
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@ -385,7 +378,7 @@ namespace MWMechanics
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}
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}
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if(distantCombat && distToTarget < rangeMelee/4)
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if(distantCombat && distToTarget < rangeAttack/4)
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{
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mMovement.mPosition[1] = -1;
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}
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@ -469,7 +462,7 @@ namespace MWMechanics
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mReadyToAttack = false;
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}
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if(distToTarget > rangeMelee && !distantCombat)
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if(distToTarget > rangeAttack && !distantCombat)
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{
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//special run attack; it shouldn't affect melee combat tactics
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if(actorCls.getMovementSettings(actor).mPosition[1] == 1)
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@ -486,14 +479,14 @@ namespace MWMechanics
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float s1 = distToTarget - weapRange;
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float t = s1/speed1;
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float s2 = speed2 * t;
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float t_swing = 0.17f/weapSpeed;//instead of 0.17 should be the time of playing weapon anim from 'start' to 'hit' tags
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float t_swing = (MAX_ATTACK_DURATION/2) / weapSpeed;//instead of 0.17 should be the time of playing weapon anim from 'start' to 'hit' tags
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if (t + s2/speed1 <= t_swing)
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{
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mReadyToAttack = true;
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if(mTimerAttack <= -attackPeriod)
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if(mTimerAttack <= -attacksPeriod)
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{
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mTimerAttack = 0.3f*static_cast<float>(rand())/RAND_MAX;
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mStrike = true;
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mTimerAttack = MAX_ATTACK_DURATION * static_cast<float>(rand())/RAND_MAX;
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mAttack = true;
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}
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}
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}
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@ -503,7 +496,7 @@ namespace MWMechanics
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// coded at 250ms or 1/4 second
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//
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// TODO: Add a parameter to vary DURATION_SAME_SPOT?
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if((distToTarget > rangeMelee || mFollowTarget) &&
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if((distToTarget > rangeAttack || mFollowTarget) &&
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mObstacleCheck.check(actor, tReaction)) // check if evasive action needed
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{
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// first check if we're walking into a door
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