mirror of https://github.com/OpenMW/openmw.git
Overhaul magic effects to work with onApply and onEnd events
Evil Eye
3 years ago
parent
5ce2eff3bd
commit
dc1fe62dde
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Load Diff
@ -1,75 +0,0 @@
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#include "linkedeffects.hpp"
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#include <components/misc/rng.hpp>
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#include <components/settings/settings.hpp>
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#include "../mwbase/environment.hpp"
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#include "../mwbase/world.hpp"
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#include "../mwrender/animation.hpp"
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#include "../mwworld/class.hpp"
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#include "../mwworld/esmstore.hpp"
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#include "creaturestats.hpp"
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namespace MWMechanics
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{
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bool reflectEffect(const ESM::ENAMstruct& effect, const ESM::MagicEffect* magicEffect,
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const MWWorld::Ptr& caster, const MWWorld::Ptr& target, ESM::EffectList& reflectedEffects)
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{
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if (caster.isEmpty() || caster == target || !target.getClass().isActor())
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return false;
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bool isHarmful = magicEffect->mData.mFlags & ESM::MagicEffect::Harmful;
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bool isUnreflectable = magicEffect->mData.mFlags & ESM::MagicEffect::Unreflectable;
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if (!isHarmful || isUnreflectable)
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return false;
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float reflect = target.getClass().getCreatureStats(target).getMagicEffects().get(ESM::MagicEffect::Reflect).getMagnitude();
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if (Misc::Rng::roll0to99() >= reflect)
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return false;
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const ESM::Static* reflectStatic = MWBase::Environment::get().getWorld()->getStore().get<ESM::Static>().find ("VFX_Reflect");
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MWRender::Animation* animation = MWBase::Environment::get().getWorld()->getAnimation(target);
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if (animation && !reflectStatic->mModel.empty())
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animation->addEffect("meshes\\" + reflectStatic->mModel, ESM::MagicEffect::Reflect, false, std::string());
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reflectedEffects.mList.emplace_back(effect);
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return true;
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}
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void absorbStat(const ESM::ENAMstruct& effect, const ESM::ActiveEffect& appliedEffect,
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const MWWorld::Ptr& caster, const MWWorld::Ptr& target, bool reflected, const std::string& source)
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{
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if (caster.isEmpty() || caster == target)
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return;
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if (!target.getClass().isActor() || !caster.getClass().isActor())
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return;
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// Make sure callers don't do something weird
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if (effect.mEffectID < ESM::MagicEffect::AbsorbAttribute || effect.mEffectID > ESM::MagicEffect::AbsorbSkill)
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throw std::runtime_error("invalid absorb stat effect");
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if (appliedEffect.mMagnitude == 0)
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return;
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std::vector<ActiveSpells::ActiveEffect> absorbEffects;
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ActiveSpells::ActiveEffect absorbEffect = appliedEffect;
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absorbEffect.mMagnitude *= -1;
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absorbEffect.mEffectIndex = appliedEffect.mEffectIndex;
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absorbEffects.emplace_back(absorbEffect);
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// Morrowind negates reflected Absorb spells so the original caster won't be harmed.
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if (reflected && Settings::Manager::getBool("classic reflected absorb spells behavior", "Game"))
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{
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target.getClass().getCreatureStats(target).getActiveSpells().addSpell(std::string(), true,
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absorbEffects, source, caster.getClass().getCreatureStats(caster).getActorId());
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return;
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}
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caster.getClass().getCreatureStats(caster).getActiveSpells().addSpell(std::string(), true,
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absorbEffects, source, target.getClass().getCreatureStats(target).getActorId());
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}
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}
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@ -1,32 +0,0 @@
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#ifndef MWMECHANICS_LINKEDEFFECTS_H
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#define MWMECHANICS_LINKEDEFFECTS_H
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#include <string>
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namespace ESM
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{
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struct ActiveEffect;
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struct EffectList;
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struct ENAMstruct;
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struct MagicEffect;
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struct Spell;
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}
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namespace MWWorld
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{
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class Ptr;
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}
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namespace MWMechanics
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{
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// Try to reflect a spell effect. If it's reflected, it's also put into the passed reflected effects list.
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bool reflectEffect(const ESM::ENAMstruct& effect, const ESM::MagicEffect* magicEffect,
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const MWWorld::Ptr& caster, const MWWorld::Ptr& target, ESM::EffectList& reflectedEffects);
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// Try to absorb a stat (skill, attribute, etc.) from the target and transfer it to the caster.
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void absorbStat(const ESM::ENAMstruct& effect, const ESM::ActiveEffect& appliedEffect,
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const MWWorld::Ptr& caster, const MWWorld::Ptr& target, bool reflected, const std::string& source);
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}
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#endif
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File diff suppressed because it is too large
Load Diff
@ -0,0 +1,20 @@
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#ifndef GAME_MWMECHANICS_SPELLEFFECTS_H
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#define GAME_MWMECHANICS_SPELLEFFECTS_H
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#include "activespells.hpp"
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#include "../mwworld/ptr.hpp"
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// These functions should probably be split up into separate Lua functions for each magic effect when magic is dehardcoded.
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// That way ESM::MGEF could point to two Lua scripts for each effect. Needs discussion.
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namespace MWMechanics
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{
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// Applies a tick of a single effect. Returns true if the effect should be removed immediately
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bool applyMagicEffect(const MWWorld::Ptr& target, const MWWorld::Ptr& caster, ActiveSpells::ActiveSpellParams& spellParams, ESM::ActiveEffect& effect, float dt);
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// Undoes permanent effects created by ESM::MagicEffect::AppliedOnce
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void onMagicEffectRemoved(const MWWorld::Ptr& target, ActiveSpells::ActiveSpellParams& spell, const ESM::ActiveEffect& effect);
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}
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#endif
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@ -1,216 +0,0 @@
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#include "tickableeffects.hpp"
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#include <components/settings/settings.hpp>
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#include "../mwbase/environment.hpp"
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#include "../mwbase/windowmanager.hpp"
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#include "../mwbase/world.hpp"
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#include "../mwworld/cellstore.hpp"
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#include "../mwworld/class.hpp"
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#include "../mwworld/containerstore.hpp"
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#include "../mwworld/esmstore.hpp"
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#include "../mwworld/inventorystore.hpp"
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#include "actorutil.hpp"
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#include "npcstats.hpp"
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namespace MWMechanics
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{
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void adjustDynamicStat(CreatureStats& creatureStats, int index, float magnitude, bool allowDecreaseBelowZero = false)
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{
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DynamicStat<float> stat = creatureStats.getDynamic(index);
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stat.setCurrent(stat.getCurrent() + magnitude, allowDecreaseBelowZero);
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creatureStats.setDynamic(index, stat);
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}
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bool disintegrateSlot (const MWWorld::Ptr& ptr, int slot, float disintegrate)
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{
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if (!ptr.getClass().hasInventoryStore(ptr))
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return false;
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MWWorld::InventoryStore& inv = ptr.getClass().getInventoryStore(ptr);
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MWWorld::ContainerStoreIterator item = inv.getSlot(slot);
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if (item != inv.end() && (item.getType() == MWWorld::ContainerStore::Type_Armor || item.getType() == MWWorld::ContainerStore::Type_Weapon))
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{
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if (!item->getClass().hasItemHealth(*item))
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return false;
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int charge = item->getClass().getItemHealth(*item);
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if (charge == 0)
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return false;
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// Store remainder of disintegrate amount (automatically subtracted if > 1)
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item->getCellRef().applyChargeRemainderToBeSubtracted(disintegrate - std::floor(disintegrate));
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charge = item->getClass().getItemHealth(*item);
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charge -= std::min(static_cast<int>(disintegrate), charge);
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item->getCellRef().setCharge(charge);
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if (charge == 0)
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{
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// Will unequip the broken item and try to find a replacement
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if (ptr != getPlayer())
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inv.autoEquip(ptr);
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else
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inv.unequipItem(*item, ptr);
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}
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return true;
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}
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return false;
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}
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bool effectTick(CreatureStats& creatureStats, const MWWorld::Ptr& actor, const EffectKey &effectKey, float magnitude)
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{
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if (magnitude == 0.f)
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return false;
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bool receivedMagicDamage = false;
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bool godmode = actor == getPlayer() && MWBase::Environment::get().getWorld()->getGodModeState();
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switch (effectKey.mId)
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{
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case ESM::MagicEffect::DamageAttribute:
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{
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if (godmode)
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break;
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AttributeValue attr = creatureStats.getAttribute(effectKey.mArg);
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attr.damage(magnitude);
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creatureStats.setAttribute(effectKey.mArg, attr);
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break;
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}
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case ESM::MagicEffect::RestoreAttribute:
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{
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AttributeValue attr = creatureStats.getAttribute(effectKey.mArg);
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attr.restore(magnitude);
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creatureStats.setAttribute(effectKey.mArg, attr);
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break;
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}
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case ESM::MagicEffect::RestoreHealth:
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case ESM::MagicEffect::RestoreMagicka:
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case ESM::MagicEffect::RestoreFatigue:
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adjustDynamicStat(creatureStats, effectKey.mId-ESM::MagicEffect::RestoreHealth, magnitude);
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break;
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case ESM::MagicEffect::DamageHealth:
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if (godmode)
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break;
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receivedMagicDamage = true;
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adjustDynamicStat(creatureStats, effectKey.mId-ESM::MagicEffect::DamageHealth, -magnitude);
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break;
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case ESM::MagicEffect::DamageMagicka:
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case ESM::MagicEffect::DamageFatigue:
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{
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if (godmode)
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break;
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int index = effectKey.mId-ESM::MagicEffect::DamageHealth;
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static const bool uncappedDamageFatigue = Settings::Manager::getBool("uncapped damage fatigue", "Game");
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adjustDynamicStat(creatureStats, index, -magnitude, index == 2 && uncappedDamageFatigue);
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break;
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}
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case ESM::MagicEffect::AbsorbHealth:
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if (!godmode || magnitude <= 0)
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{
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if (magnitude > 0.f)
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receivedMagicDamage = true;
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adjustDynamicStat(creatureStats, effectKey.mId-ESM::MagicEffect::AbsorbHealth, -magnitude);
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}
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break;
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case ESM::MagicEffect::AbsorbMagicka:
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case ESM::MagicEffect::AbsorbFatigue:
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if (!godmode || magnitude <= 0)
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adjustDynamicStat(creatureStats, effectKey.mId-ESM::MagicEffect::AbsorbHealth, -magnitude);
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break;
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case ESM::MagicEffect::DisintegrateArmor:
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{
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if (godmode)
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break;
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static const std::array<int, 9> priorities
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{
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MWWorld::InventoryStore::Slot_CarriedLeft,
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MWWorld::InventoryStore::Slot_Cuirass,
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MWWorld::InventoryStore::Slot_LeftPauldron,
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MWWorld::InventoryStore::Slot_RightPauldron,
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MWWorld::InventoryStore::Slot_LeftGauntlet,
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MWWorld::InventoryStore::Slot_RightGauntlet,
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MWWorld::InventoryStore::Slot_Helmet,
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MWWorld::InventoryStore::Slot_Greaves,
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MWWorld::InventoryStore::Slot_Boots
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};
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for (const int priority : priorities)
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{
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if (disintegrateSlot(actor, priority, magnitude))
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break;
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}
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break;
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}
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case ESM::MagicEffect::DisintegrateWeapon:
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if (!godmode)
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disintegrateSlot(actor, MWWorld::InventoryStore::Slot_CarriedRight, magnitude);
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break;
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case ESM::MagicEffect::SunDamage:
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{
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// isInCell shouldn't be needed, but updateActor called during game start
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if (!actor.isInCell() || !actor.getCell()->isExterior() || godmode)
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break;
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float time = MWBase::Environment::get().getWorld()->getTimeStamp().getHour();
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float timeDiff = std::min(7.f, std::max(0.f, std::abs(time - 13)));
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float damageScale = 1.f - timeDiff / 7.f;
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// When cloudy, the sun damage effect is halved
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static float fMagicSunBlockedMult = MWBase::Environment::get().getWorld()->getStore().get<ESM::GameSetting>().find(
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"fMagicSunBlockedMult")->mValue.getFloat();
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int weather = MWBase::Environment::get().getWorld()->getCurrentWeather();
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if (weather > 1)
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damageScale *= fMagicSunBlockedMult;
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adjustDynamicStat(creatureStats, 0, -magnitude * damageScale);
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if (magnitude * damageScale > 0.f)
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receivedMagicDamage = true;
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break;
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}
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case ESM::MagicEffect::FireDamage:
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case ESM::MagicEffect::ShockDamage:
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case ESM::MagicEffect::FrostDamage:
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case ESM::MagicEffect::Poison:
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{
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if (godmode)
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break;
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adjustDynamicStat(creatureStats, 0, -magnitude);
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receivedMagicDamage = true;
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break;
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}
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case ESM::MagicEffect::DamageSkill:
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case ESM::MagicEffect::RestoreSkill:
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{
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if (!actor.getClass().isNpc())
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break;
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if (godmode && effectKey.mId == ESM::MagicEffect::DamageSkill)
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break;
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NpcStats &npcStats = actor.getClass().getNpcStats(actor);
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SkillValue& skill = npcStats.getSkill(effectKey.mArg);
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if (effectKey.mId == ESM::MagicEffect::RestoreSkill)
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skill.restore(magnitude);
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else
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skill.damage(magnitude);
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break;
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}
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default:
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return false;
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}
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if (receivedMagicDamage && actor == getPlayer())
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MWBase::Environment::get().getWindowManager()->activateHitOverlay(false);
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return true;
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}
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}
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@ -1,20 +0,0 @@
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#ifndef MWMECHANICS_TICKABLEEFFECTS_H
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#define MWMECHANICS_TICKABLEEFFECTS_H
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namespace MWWorld
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{
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class Ptr;
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}
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namespace MWMechanics
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{
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class CreatureStats;
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struct EffectKey;
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/// Apply a magic effect that is applied in tick intervals until its remaining time ends or it is removed
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/// Note: this function works in loop, so magic effects should not be removed here to avoid iterator invalidation.
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/// @return Was the effect a tickable effect with a magnitude?
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bool effectTick(CreatureStats& creatureStats, const MWWorld::Ptr& actor, const EffectKey& effectKey, float magnitude);
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}
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#endif
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