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Make NPCs dodge according to target's weapon reach

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This commit is contained in:
Allofich 2016-09-10 23:30:46 +09:00
parent fa11dad525
commit 7bc4535c0d
1 changed files with 27 additions and 7 deletions
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32
apps/openmw/mwmechanics/aicombat.cpp
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@ -69,7 +69,7 @@ namespace MWMechanics
mMovement()
{}
void startCombatMove(bool isNpc, bool isDistantCombat, float distToTarget, float rangeAttack);
void startCombatMove(bool isNpc, bool isDistantCombat, float distToTarget, float rangeAttack, const MWWorld::Ptr& target);
void updateCombatMove(float duration);
void stopCombatMove();
void startAttackIfReady(const MWWorld::Ptr& actor, CharacterController& characterController,
@ -242,7 +242,7 @@ namespace MWMechanics
if (storage.mReadyToAttack)
{
storage.startCombatMove(actorClass.isNpc(), isRangedCombat, distToTarget, rangeAttack);
storage.startCombatMove(actorClass.isNpc(), isRangedCombat, distToTarget, rangeAttack, target);
// start new attack
storage.startAttackIfReady(actor, characterController, weapon, isRangedCombat);
@ -306,7 +306,6 @@ namespace MWMechanics
return MWBase::Environment::get().getWorld()->searchPtrViaActorId(mTargetActorId);
}
AiCombat *MWMechanics::AiCombat::clone() const
{
return new AiCombat(*this);
@ -323,7 +322,7 @@ namespace MWMechanics
sequence.mPackages.push_back(package);
}
void AiCombatStorage::startCombatMove(bool isNpc, bool isDistantCombat, float distToTarget, float rangeAttack)
void AiCombatStorage::startCombatMove(bool isNpc, bool isDistantCombat, float distToTarget, float rangeAttack, const MWWorld::Ptr& target)
{
if (mMovement.mPosition[0] || mMovement.mPosition[1])
{
@ -331,10 +330,28 @@ namespace MWMechanics
mCombatMove = true;
}
// dodge movements (for NPCs only)
else if (isNpc && (!isDistantCombat || (distToTarget < rangeAttack / 2)))
else if (isNpc)
{
// get the range of the target's weapon
float rangeAttackOfTarget = 0.f;
MWWorld::Ptr targetWeapon = MWWorld::Ptr();
bool isRangedCombat = false;
const MWWorld::Class& targetClass = target.getClass();
if (targetClass.hasInventoryStore(target))
{
MWMechanics::WeaponType weapType = WeapType_None;
MWWorld::ContainerStoreIterator weaponSlot =
MWMechanics::getActiveWeapon(targetClass.getCreatureStats(target), targetClass.getInventoryStore(target), &weapType);
if (weapType != WeapType_PickProbe && weapType != WeapType_Spell && weapType != WeapType_None && weapType != WeapType_HandToHand)
targetWeapon = *weaponSlot;
}
boost::shared_ptr<Action> targetWeaponAction (new ActionWeapon(targetWeapon));
if (targetWeaponAction.get())
rangeAttackOfTarget = targetWeaponAction->getCombatRange(isRangedCombat);
// apply sideway movement (kind of dodging) with some probability
if (Misc::Rng::rollClosedProbability() < 0.25)
// if NPC is within range of target's weapon
if (distToTarget <= rangeAttackOfTarget && Misc::Rng::rollClosedProbability() < 0.25)
{
mMovement.mPosition[0] = Misc::Rng::rollProbability() < 0.5 ? 1.0f : -1.0f; // to the left/right
mTimerCombatMove = 0.05f + 0.15f * Misc::Rng::rollClosedProbability();
@ -342,6 +359,9 @@ namespace MWMechanics
}
}
// Original engine behavior seems to be to back up during ranged combat
// according to fCombatDistance or opponent's weapon range, unless opponent
// is also using a ranged weapon
if (isDistantCombat && distToTarget < rangeAttack / 4)
{
mMovement.mPosition[1] = -1;