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Merge branch 'absorb47' into 'openmw-47'

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Absorb spells per effect

See merge request OpenMW/openmw!1274
This commit is contained in:
psi29a 2021-10-10 16:17:03 +00:00
commit bac679d5f5
3 changed files with 21 additions and 16 deletions
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18
apps/openmw/mwmechanics/spellabsorption.cpp
View file

@ -44,14 +44,14 @@ namespace MWMechanics
} }
}; };
bool absorbSpell (const std::string& spellId, const MWWorld::Ptr& caster, const MWWorld::Ptr& target) int getAbsorbChance(const MWWorld::Ptr& caster, const MWWorld::Ptr& target)
{ {
if (spellId.empty() || target.isEmpty() || caster == target || !target.getClass().isActor()) if(target.isEmpty() || caster == target || !target.getClass().isActor())
return false; return 0;
CreatureStats& stats = target.getClass().getCreatureStats(target); CreatureStats& stats = target.getClass().getCreatureStats(target);
if (stats.getMagicEffects().get(ESM::MagicEffect::SpellAbsorption).getMagnitude() <= 0.f) if (stats.getMagicEffects().get(ESM::MagicEffect::SpellAbsorption).getMagnitude() <= 0.f)
return false; return 0;
GetAbsorptionProbability check; GetAbsorptionProbability check;
stats.getActiveSpells().visitEffectSources(check); stats.getActiveSpells().visitEffectSources(check);
@ -59,9 +59,12 @@ namespace MWMechanics
if (target.getClass().hasInventoryStore(target)) if (target.getClass().hasInventoryStore(target))
target.getClass().getInventoryStore(target).visitEffectSources(check); target.getClass().getInventoryStore(target).visitEffectSources(check);
int chance = check.mProbability * 100; return check.mProbability * 100;
if (Misc::Rng::roll0to99() >= chance) }
return false;
void absorbSpell (const std::string& spellId, const MWWorld::Ptr& caster, const MWWorld::Ptr& target)
{
CreatureStats& stats = target.getClass().getCreatureStats(target);
const auto& esmStore = MWBase::Environment::get().getWorld()->getStore(); const auto& esmStore = MWBase::Environment::get().getWorld()->getStore();
const ESM::Static* absorbStatic = esmStore.get<ESM::Static>().find("VFX_Absorb"); const ESM::Static* absorbStatic = esmStore.get<ESM::Static>().find("VFX_Absorb");
@ -85,7 +88,6 @@ namespace MWMechanics
DynamicStat<float> magicka = stats.getMagicka(); DynamicStat<float> magicka = stats.getMagicka();
magicka.setCurrent(magicka.getCurrent() + spellCost); magicka.setCurrent(magicka.getCurrent() + spellCost);
stats.setMagicka(magicka); stats.setMagicka(magicka);
return true;
} }
} }

5
apps/openmw/mwmechanics/spellabsorption.hpp
View file

@ -10,8 +10,9 @@ namespace MWWorld
namespace MWMechanics namespace MWMechanics
{ {
// Try to absorb a spell based on the magnitude of every Spell Absorption effect source on the target. void absorbSpell(const std::string& spellId, const MWWorld::Ptr& caster, const MWWorld::Ptr& target);
bool absorbSpell(const std::string& spellId, const MWWorld::Ptr& caster, const MWWorld::Ptr& target); // Calculate the chance to absorb a spell based on the magnitude of every Spell Absorption effect source on the target.
int getAbsorbChance(const MWWorld::Ptr& caster, const MWWorld::Ptr& target);
} }
#endif #endif

14
apps/openmw/mwmechanics/spellcasting.cpp
View file

@ -119,8 +119,7 @@ namespace MWMechanics
// throughout the iteration of this spell's // throughout the iteration of this spell's
// effects, we display a "can't re-cast" message // effects, we display a "can't re-cast" message
// Try absorbing the spell. Some handling must still happen for absorbed effects. int absorbChance = getAbsorbChance(caster, target);
bool absorbed = absorbSpell(mId, caster, target);
int currentEffectIndex = 0; int currentEffectIndex = 0;
for (std::vector<ESM::ENAMstruct>::const_iterator effectIt (effects.mList.begin()); for (std::vector<ESM::ENAMstruct>::const_iterator effectIt (effects.mList.begin());
@ -142,6 +141,13 @@ namespace MWMechanics
} }
canCastAnEffect = true; canCastAnEffect = true;
// Try absorbing the effect
if(absorbChance && Misc::Rng::roll0to99() < absorbChance)
{
absorbSpell(mId, caster, target);
continue;
}
if (!checkEffectTarget(effectIt->mEffectID, target, caster, castByPlayer)) if (!checkEffectTarget(effectIt->mEffectID, target, caster, castByPlayer))
continue; continue;
@ -155,10 +161,6 @@ namespace MWMechanics
if (target.getClass().isActor() && target != caster && !caster.isEmpty() && isHarmful) if (target.getClass().isActor() && target != caster && !caster.isEmpty() && isHarmful)
target.getClass().onHit(target, 0.0f, true, MWWorld::Ptr(), caster, osg::Vec3f(), true); target.getClass().onHit(target, 0.0f, true, MWWorld::Ptr(), caster, osg::Vec3f(), true);
// Avoid proceeding further for absorbed spells.
if (absorbed)
continue;
// Reflect harmful effects // Reflect harmful effects
if (!reflected && reflectEffect(*effectIt, magicEffect, caster, target, reflectedEffects)) if (!reflected && reflectEffect(*effectIt, magicEffect, caster, target, reflectedEffects))
continue; continue;