npc.cpp 55.6 KB
Newer Older
1 2 3

#include "npc.hpp"

4 5
#include <memory>

6 7
#include <OgreSceneNode.h>

Emanuel Guevel's avatar
Emanuel Guevel committed
8
#include <components/esm/loadmgef.hpp>
9
#include <components/esm/loadnpc.hpp>
10
#include <components/esm/npcstate.hpp>
11

12 13
#include "../mwbase/environment.hpp"
#include "../mwbase/world.hpp"
14
#include "../mwbase/mechanicsmanager.hpp"
15
#include "../mwbase/windowmanager.hpp"
16
#include "../mwbase/dialoguemanager.hpp"
17
#include "../mwbase/soundmanager.hpp"
18

Marc Zinnschlag's avatar
Marc Zinnschlag committed
19
#include "../mwmechanics/creaturestats.hpp"
Marc Zinnschlag's avatar
Marc Zinnschlag committed
20
#include "../mwmechanics/npcstats.hpp"
21
#include "../mwmechanics/movement.hpp"
22
#include "../mwmechanics/spellcasting.hpp"
23
#include "../mwmechanics/disease.hpp"
24
#include "../mwmechanics/combat.hpp"
25
#include "../mwmechanics/autocalcspell.hpp"
26
#include "../mwmechanics/difficultyscaling.hpp"
27
#include "../mwmechanics/character.hpp"
Marc Zinnschlag's avatar
Marc Zinnschlag committed
28

29
#include "../mwworld/ptr.hpp"
30
#include "../mwworld/actiontalk.hpp"
scrawl's avatar
scrawl committed
31
#include "../mwworld/actionopen.hpp"
32
#include "../mwworld/failedaction.hpp"
33
#include "../mwworld/inventorystore.hpp"
Marc Zinnschlag's avatar
Marc Zinnschlag committed
34
#include "../mwworld/customdata.hpp"
35
#include "../mwworld/physicssystem.hpp"
36
#include "../mwworld/cellstore.hpp"
37

38
#include "../mwrender/actors.hpp"
39
#include "../mwrender/renderinginterface.hpp"
40

41
#include "../mwgui/tooltips.hpp"
42

Marc Zinnschlag's avatar
Marc Zinnschlag committed
43
namespace
44
{
45
    struct NpcCustomData : public MWWorld::CustomData
46 47
    {
        MWMechanics::NpcStats mNpcStats;
48
        MWMechanics::Movement mMovement;
49
        MWWorld::InventoryStore mInventoryStore;
50 51 52 53

        virtual MWWorld::CustomData *clone() const;
    };

54
    MWWorld::CustomData *NpcCustomData::clone() const
55
    {
56
        return new NpcCustomData (*this);
57
    }
58

59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76
    int is_even(double d) {
        double int_part;
        modf(d / 2.0, &int_part);
        return 2.0 * int_part == d;
    }

    int round_ieee_754(double d) {
        double i = floor(d);
        d -= i;
        if(d < 0.5)
            return i;
        if(d > 0.5)
            return i + 1.0;
        if(is_even(i))
            return i;
        return i + 1.0;
    }

77 78 79 80 81 82 83 84 85 86 87 88
    void autoCalculateAttributes (const ESM::NPC* npc, MWMechanics::CreatureStats& creatureStats)
    {
        // race bonus
        const ESM::Race *race =
            MWBase::Environment::get().getWorld()->getStore().get<ESM::Race>().find(npc->mRace);

        bool male = (npc->mFlags & ESM::NPC::Female) == 0;

        int level = creatureStats.getLevel();
        for (int i=0; i<ESM::Attribute::Length; ++i)
        {
            const ESM::Race::MaleFemale& attribute = race->mData.mAttributeValues[i];
89
            creatureStats.setAttribute(i, male ? attribute.mMale : attribute.mFemale);
90 91 92 93 94 95 96 97 98 99 100
        }

        // class bonus
        const ESM::Class *class_ =
            MWBase::Environment::get().getWorld()->getStore().get<ESM::Class>().find(npc->mClass);

        for (int i=0; i<2; ++i)
        {
            int attribute = class_->mData.mAttribute[i];
            if (attribute>=0 && attribute<8)
            {
101
                creatureStats.setAttribute(attribute,
102 103 104 105 106
                    creatureStats.getAttribute(attribute).getBase() + 10);
            }
        }

        // skill bonus
107
        for (int attribute=0; attribute < ESM::Attribute::Length; ++attribute)
108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131
        {
            float modifierSum = 0;

            for (int j=0; j<ESM::Skill::Length; ++j)
            {
                const ESM::Skill* skill = MWBase::Environment::get().getWorld()->getStore().get<ESM::Skill>().find(j);

                if (skill->mData.mAttribute != attribute)
                    continue;

                // is this a minor or major skill?
                float add=0.2;
                for (int k=0; k<5; ++k)
                {
                    if (class_->mData.mSkills[k][0] == j)
                        add=0.5;
                }
                for (int k=0; k<5; ++k)
                {
                    if (class_->mData.mSkills[k][1] == j)
                        add=1.0;
                }
                modifierSum += add;
            }
132 133 134
            creatureStats.setAttribute(attribute, std::min(
                                           round_ieee_754(creatureStats.getAttribute(attribute).getBase()
                + (level-1) * modifierSum), 100) );
135
        }
136

137
        // initial health
138 139
        int strength = creatureStats.getAttribute(ESM::Attribute::Strength).getBase();
        int endurance = creatureStats.getAttribute(ESM::Attribute::Endurance).getBase();
140 141 142 143 144 145 146 147 148 149 150 151 152

        int multiplier = 3;

        if (class_->mData.mSpecialization == ESM::Class::Combat)
            multiplier += 2;
        else if (class_->mData.mSpecialization == ESM::Class::Stealth)
            multiplier += 1;

        if (class_->mData.mAttribute[0] == ESM::Attribute::Endurance
            || class_->mData.mAttribute[1] == ESM::Attribute::Endurance)
            multiplier += 1;

        creatureStats.setHealth(static_cast<int> (0.5 * (strength + endurance)) + multiplier * (creatureStats.getLevel() - 1));
153
    }
154 155 156 157 158 159 160 161 162 163 164 165 166 167 168

    /**
     * @brief autoCalculateSkills
     *
     * Skills are calculated with following formulae ( http://www.uesp.net/wiki/Morrowind:NPCs#Skills ):
     *
     * Skills: (Level - 1) × (Majority Multiplier + Specialization Multiplier)
     *
     *         The Majority Multiplier is 1.0 for a Major or Minor Skill, or 0.1 for a Miscellaneous Skill.
     *
     *         The Specialization Multiplier is 0.5 for a Skill in the same Specialization as the class,
     *         zero for other Skills.
     *
     * and by adding class, race, specialization bonus.
     */
169
    void autoCalculateSkills(const ESM::NPC* npc, MWMechanics::NpcStats& npcStats, const MWWorld::Ptr& ptr)
170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202
    {
        const ESM::Class *class_ =
            MWBase::Environment::get().getWorld()->getStore().get<ESM::Class>().find(npc->mClass);

        unsigned int level = npcStats.getLevel();

        const ESM::Race *race = MWBase::Environment::get().getWorld()->getStore().get<ESM::Race>().find(npc->mRace);


        for (int i = 0; i < 2; ++i)
        {
            int bonus = (i==0) ? 10 : 25;

            for (int i2 = 0; i2 < 5; ++i2)
            {
                int index = class_->mData.mSkills[i2][i];
                if (index >= 0 && index < ESM::Skill::Length)
                {
                    npcStats.getSkill(index).setBase (npcStats.getSkill(index).getBase() + bonus);
                }
            }
        }

        for (int skillIndex = 0; skillIndex < ESM::Skill::Length; ++skillIndex)
        {
            float majorMultiplier = 0.1f;
            float specMultiplier = 0.0f;

            int raceBonus = 0;
            int specBonus = 0;

            for (int raceSkillIndex = 0; raceSkillIndex < 7; ++raceSkillIndex)
            {
203 204 205 206 207
                if (race->mData.mBonus[raceSkillIndex].mSkill == skillIndex)
                {
                    raceBonus = race->mData.mBonus[raceSkillIndex].mBonus;
                    break;
                }
208 209 210 211
            }

            for (int k = 0; k < 5; ++k)
            {
212 213 214 215 216 217
                // is this a minor or major skill?
                if ((class_->mData.mSkills[k][0] == skillIndex) || (class_->mData.mSkills[k][1] == skillIndex))
                {
                    majorMultiplier = 1.0f;
                    break;
                }
218 219 220 221 222 223
            }

            // is this skill in the same Specialization as the class?
            const ESM::Skill* skill = MWBase::Environment::get().getWorld()->getStore().get<ESM::Skill>().find(skillIndex);
            if (skill->mData.mSpecialization == class_->mData.mSpecialization)
            {
224 225
                specMultiplier = 0.5f;
                specBonus = 5;
226 227 228 229
            }

            npcStats.getSkill(skillIndex).setBase(
                  std::min(
230 231
                    round_ieee_754(
                            npcStats.getSkill(skillIndex).getBase()
232 233 234
                    + 5
                    + raceBonus
                    + specBonus
scrawl's avatar
scrawl committed
235
                    +(int(level)-1) * (majorMultiplier + specMultiplier)), 100)); // Must gracefully handle level 0
236
        }
237 238 239 240 241 242 243 244 245

        int skills[ESM::Skill::Length];
        for (int i=0; i<ESM::Skill::Length; ++i)
            skills[i] = npcStats.getSkill(i).getBase();

        int attributes[ESM::Attribute::Length];
        for (int i=0; i<ESM::Attribute::Length; ++i)
            attributes[i] = npcStats.getAttribute(i).getBase();

246 247
        std::vector<std::string> spells = MWMechanics::autoCalcNpcSpells(skills, attributes, race);
        for (std::vector<std::string>::iterator it = spells.begin(); it != spells.end(); ++it)
248
            npcStats.getSpells().add(*it);
249
    }
250 251
}

252
namespace MWClass
253
{
254
    const Npc::GMST& Npc::getGmst()
255
    {
256
        static GMST gmst;
257 258 259 260
        static bool inited = false;
        if(!inited)
        {
            const MWBase::World *world = MWBase::Environment::get().getWorld();
261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283
            const MWWorld::Store<ESM::GameSetting> &store = world->getStore().get<ESM::GameSetting>();

            gmst.fMinWalkSpeed = store.find("fMinWalkSpeed");
            gmst.fMaxWalkSpeed = store.find("fMaxWalkSpeed");
            gmst.fEncumberedMoveEffect = store.find("fEncumberedMoveEffect");
            gmst.fSneakSpeedMultiplier = store.find("fSneakSpeedMultiplier");
            gmst.fAthleticsRunBonus = store.find("fAthleticsRunBonus");
            gmst.fBaseRunMultiplier = store.find("fBaseRunMultiplier");
            gmst.fMinFlySpeed = store.find("fMinFlySpeed");
            gmst.fMaxFlySpeed = store.find("fMaxFlySpeed");
            gmst.fSwimRunBase = store.find("fSwimRunBase");
            gmst.fSwimRunAthleticsMult = store.find("fSwimRunAthleticsMult");
            gmst.fJumpEncumbranceBase = store.find("fJumpEncumbranceBase");
            gmst.fJumpEncumbranceMultiplier = store.find("fJumpEncumbranceMultiplier");
            gmst.fJumpAcrobaticsBase = store.find("fJumpAcrobaticsBase");
            gmst.fJumpAcroMultiplier = store.find("fJumpAcroMultiplier");
            gmst.fJumpRunMultiplier = store.find("fJumpRunMultiplier");
            gmst.fWereWolfRunMult = store.find("fWereWolfRunMult");
            gmst.fKnockDownMult = store.find("fKnockDownMult");
            gmst.iKnockDownOddsMult = store.find("iKnockDownOddsMult");
            gmst.iKnockDownOddsBase = store.find("iKnockDownOddsBase");
            gmst.fDamageStrengthBase = store.find("fDamageStrengthBase");
            gmst.fDamageStrengthMult = store.find("fDamageStrengthMult");
284
            gmst.fCombatArmorMinMult = store.find("fCombatArmorMinMult");
285 286 287

            inited = true;
        }
288 289 290 291 292
        return gmst;
    }

    void Npc::ensureCustomData (const MWWorld::Ptr& ptr) const
    {
293 294
        if (!ptr.getRefData().getCustomData())
        {
295
            std::auto_ptr<NpcCustomData> data(new NpcCustomData);
296

297
            MWWorld::LiveCellRef<ESM::NPC> *ref = ptr.get<ESM::NPC>();
298

299
            // NPC stats
greye's avatar
greye committed
300
            if (!ref->mBase->mFaction.empty())
301
            {
greye's avatar
greye committed
302
                std::string faction = ref->mBase->mFaction;
eduard's avatar
eduard committed
303
                Misc::StringUtils::toLower(faction);
304
                if(ref->mBase->mNpdtType != ESM::NPC::NPC_WITH_AUTOCALCULATED_STATS)
305
                {
306
                    data->mNpcStats.setFactionRank(faction, (int)ref->mBase->mNpdt52.mRank);
307 308 309
                }
                else
                {
310
                    data->mNpcStats.setFactionRank(faction, (int)ref->mBase->mNpdt12.mRank);
311
                }
312 313
            }

314
            // creature stats
315
            int gold=0;
316
            if(ref->mBase->mNpdtType != ESM::NPC::NPC_WITH_AUTOCALCULATED_STATS)
317
            {
318 319
                gold = ref->mBase->mNpdt52.mGold;

320
                for (unsigned int i=0; i< ESM::Skill::Length; ++i)
greye's avatar
greye committed
321 322
                    data->mNpcStats.getSkill (i).setBase (ref->mBase->mNpdt52.mSkills[i]);

323 324 325 326 327 328 329 330 331
                data->mNpcStats.setAttribute(ESM::Attribute::Strength, ref->mBase->mNpdt52.mStrength);
                data->mNpcStats.setAttribute(ESM::Attribute::Intelligence, ref->mBase->mNpdt52.mIntelligence);
                data->mNpcStats.setAttribute(ESM::Attribute::Willpower, ref->mBase->mNpdt52.mWillpower);
                data->mNpcStats.setAttribute(ESM::Attribute::Agility, ref->mBase->mNpdt52.mAgility);
                data->mNpcStats.setAttribute(ESM::Attribute::Speed, ref->mBase->mNpdt52.mSpeed);
                data->mNpcStats.setAttribute(ESM::Attribute::Endurance, ref->mBase->mNpdt52.mEndurance);
                data->mNpcStats.setAttribute(ESM::Attribute::Personality, ref->mBase->mNpdt52.mPersonality);
                data->mNpcStats.setAttribute(ESM::Attribute::Luck, ref->mBase->mNpdt52.mLuck);

332 333 334 335 336
                data->mNpcStats.setHealth (ref->mBase->mNpdt52.mHealth);
                data->mNpcStats.setMagicka (ref->mBase->mNpdt52.mMana);
                data->mNpcStats.setFatigue (ref->mBase->mNpdt52.mFatigue);

                data->mNpcStats.setLevel(ref->mBase->mNpdt52.mLevel);
scrawl's avatar
scrawl committed
337
                data->mNpcStats.setBaseDisposition(ref->mBase->mNpdt52.mDisposition);
338
                data->mNpcStats.setReputation(ref->mBase->mNpdt52.mReputation);
339 340

                data->mNpcStats.setNeedRecalcDynamicStats(false);
341 342 343
            }
            else
            {
344 345
                gold = ref->mBase->mNpdt12.mGold;

346
                for (int i=0; i<3; ++i)
347
                    data->mNpcStats.setDynamic (i, 10);
348

349
                data->mNpcStats.setLevel(ref->mBase->mNpdt12.mLevel);
350 351
                data->mNpcStats.setBaseDisposition(ref->mBase->mNpdt12.mDisposition);
                data->mNpcStats.setReputation(ref->mBase->mNpdt12.mReputation);
352

353
                autoCalculateAttributes(ref->mBase, data->mNpcStats);
354
                autoCalculateSkills(ref->mBase, data->mNpcStats, ptr);
355 356

                data->mNpcStats.setNeedRecalcDynamicStats(true);
357
            }
358

359 360 361 362 363 364 365 366
            // race powers
            const ESM::Race *race = MWBase::Environment::get().getWorld()->getStore().get<ESM::Race>().find(ref->mBase->mRace);
            for (std::vector<std::string>::const_iterator iter (race->mPowers.mList.begin());
                iter!=race->mPowers.mList.end(); ++iter)
            {
                data->mNpcStats.getSpells().add (*iter);
            }

367 368 369 370 371 372 373 374 375 376 377
            if (data->mNpcStats.getFactionRanks().size())
            {
                static const int iAutoRepFacMod = MWBase::Environment::get().getWorld()->getStore().get<ESM::GameSetting>()
                        .find("iAutoRepFacMod")->getInt();
                static const int iAutoRepLevMod = MWBase::Environment::get().getWorld()->getStore().get<ESM::GameSetting>()
                        .find("iAutoRepLevMod")->getInt();
                int rank = data->mNpcStats.getFactionRanks().begin()->second;

                data->mNpcStats.setReputation(iAutoRepFacMod * (rank+1) + iAutoRepLevMod * (data->mNpcStats.getLevel()-1));
            }

378
            data->mNpcStats.getAiSequence().fill(ref->mBase->mAiPackage);
379

380 381 382 383
            data->mNpcStats.setAiSetting (MWMechanics::CreatureStats::AI_Hello, ref->mBase->mAiData.mHello);
            data->mNpcStats.setAiSetting (MWMechanics::CreatureStats::AI_Fight, ref->mBase->mAiData.mFight);
            data->mNpcStats.setAiSetting (MWMechanics::CreatureStats::AI_Flee, ref->mBase->mAiData.mFlee);
            data->mNpcStats.setAiSetting (MWMechanics::CreatureStats::AI_Alarm, ref->mBase->mAiData.mAlarm);
384

385
            // spells
greye's avatar
greye committed
386 387
            for (std::vector<std::string>::const_iterator iter (ref->mBase->mSpells.mList.begin());
                iter!=ref->mBase->mSpells.mList.end(); ++iter)
388
                data->mNpcStats.getSpells().add (*iter);
389

390
            // inventory
scrawl's avatar
scrawl committed
391
            data->mInventoryStore.fill(ref->mBase->mInventory, getId(ptr), "",
392 393
                                       MWBase::Environment::get().getWorld()->getStore());

jefhai's avatar
jefhai committed
394 395
            data->mNpcStats.setGoldPool(gold);

396
            // store
397
            ptr.getRefData().setCustomData (data.release());
398

399
            getInventoryStore(ptr).autoEquip(ptr); 
400 401 402
        }
    }

Marc Zinnschlag's avatar
Marc Zinnschlag committed
403 404
    std::string Npc::getId (const MWWorld::Ptr& ptr) const
    {
405
        MWWorld::LiveCellRef<ESM::NPC> *ref =
Marc Zinnschlag's avatar
Marc Zinnschlag committed
406 407
            ptr.get<ESM::NPC>();

greye's avatar
greye committed
408
        return ref->mBase->mId;
Marc Zinnschlag's avatar
Marc Zinnschlag committed
409 410
    }

411
    void Npc::adjustPosition(const MWWorld::Ptr& ptr, bool force) const
412
    {
413
        MWBase::Environment::get().getWorld()->adjustPosition(ptr, force);
414 415
    }

Jason Hooks's avatar
Jason Hooks committed
416
    void Npc::insertObjectRendering (const MWWorld::Ptr& ptr, MWRender::RenderingInterface& renderingInterface) const
417
    {
418
        renderingInterface.getActors().insertNPC(ptr);
Jason Hooks's avatar
Jason Hooks committed
419
    }
Jason Hooks's avatar
Jason Hooks committed
420

421
    void Npc::insertObject(const MWWorld::Ptr& ptr, MWWorld::PhysicsSystem& physics) const
Jason Hooks's avatar
Jason Hooks committed
422
    {
423
        physics.addActor(ptr);
424
        MWBase::Environment::get().getMechanicsManager()->add(ptr);
425 426
        if (getCreatureStats(ptr).isDead())
            MWBase::Environment::get().getWorld()->enableActorCollision(ptr, false);
greye's avatar
greye committed
427
    }
Jason Hooks's avatar
Jason Hooks committed
428

scrawl's avatar
scrawl committed
429 430 431 432 433 434
    bool Npc::isPersistent(const MWWorld::Ptr &actor) const
    {
        MWWorld::LiveCellRef<ESM::NPC>* ref = actor.get<ESM::NPC>();
        return ref->mBase->mPersistent;
    }

greye's avatar
greye committed
435 436
    std::string Npc::getModel(const MWWorld::Ptr &ptr) const
    {
437
        MWWorld::LiveCellRef<ESM::NPC> *ref =
Jason Hooks's avatar
Jason Hooks committed
438
            ptr.get<ESM::NPC>();
greye's avatar
greye committed
439
        assert(ref->mBase != NULL);
440

greye's avatar
greye committed
441
        std::string model = "meshes\\base_anim.nif";
442 443
        const ESM::Race* race = MWBase::Environment::get().getWorld()->getStore().get<ESM::Race>().find(ref->mBase->mRace);
        if(race->mData.mFlags & ESM::Race::Beast)
greye's avatar
greye committed
444
            model = "meshes\\base_animkna.nif";
445

greye's avatar
greye committed
446
        return model;
447 448 449

    }

Marc Zinnschlag's avatar
Marc Zinnschlag committed
450 451
    std::string Npc::getName (const MWWorld::Ptr& ptr) const
    {
452 453 454
        if(getNpcStats(ptr).isWerewolf())
        {
            const MWBase::World *world = MWBase::Environment::get().getWorld();
455
            const MWWorld::Store<ESM::GameSetting> &store = world->getStore().get<ESM::GameSetting>();
456

457
            return store.find("sWerewolfPopup")->getString();
458
        }
Marc Zinnschlag's avatar
Marc Zinnschlag committed
459

460
        MWWorld::LiveCellRef<ESM::NPC> *ref = ptr.get<ESM::NPC>();
greye's avatar
greye committed
461
        return ref->mBase->mName;
Marc Zinnschlag's avatar
Marc Zinnschlag committed
462 463
    }

464
    MWMechanics::CreatureStats& Npc::getCreatureStats (const MWWorld::Ptr& ptr) const
465
    {
466
        ensureCustomData (ptr);
467

468
        return dynamic_cast<NpcCustomData&> (*ptr.getRefData().getCustomData()).mNpcStats;
469 470
    }

Marc Zinnschlag's avatar
Marc Zinnschlag committed
471 472
    MWMechanics::NpcStats& Npc::getNpcStats (const MWWorld::Ptr& ptr) const
    {
473
        ensureCustomData (ptr);
Marc Zinnschlag's avatar
Marc Zinnschlag committed
474

475
        return dynamic_cast<NpcCustomData&> (*ptr.getRefData().getCustomData()).mNpcStats;
Marc Zinnschlag's avatar
Marc Zinnschlag committed
476 477
    }

Chris Robinson's avatar
Chris Robinson committed
478

479
    void Npc::hit(const MWWorld::Ptr& ptr, int type) const
Chris Robinson's avatar
Chris Robinson committed
480
    {
481
        MWBase::World *world = MWBase::Environment::get().getWorld();
482 483 484
        const GMST& gmst = getGmst();

        const MWWorld::Store<ESM::GameSetting> &store = world->getStore().get<ESM::GameSetting>();
485

486 487
        // Get the weapon used (if hand-to-hand, weapon = inv.end())
        MWWorld::InventoryStore &inv = getInventoryStore(ptr);
488 489 490 491
        MWWorld::ContainerStoreIterator weaponslot = inv.getSlot(MWWorld::InventoryStore::Slot_CarriedRight);
        MWWorld::Ptr weapon = ((weaponslot != inv.end()) ? *weaponslot : MWWorld::Ptr());
        if(!weapon.isEmpty() && weapon.getTypeName() != typeid(ESM::Weapon).name())
            weapon = MWWorld::Ptr();
492

493 494
        // Reduce fatigue
        // somewhat of a guess, but using the weapon weight makes sense
495 496 497
        const float fFatigueAttackBase = store.find("fFatigueAttackBase")->getFloat();
        const float fFatigueAttackMult = store.find("fFatigueAttackMult")->getFloat();
        const float fWeaponFatigueMult = store.find("fWeaponFatigueMult")->getFloat();
498
        MWMechanics::DynamicStat<float> fatigue = getCreatureStats(ptr).getFatigue();
499
        const float normalizedEncumbrance = getNormalizedEncumbrance(ptr);
500 501 502 503 504 505
        float fatigueLoss = fFatigueAttackBase + normalizedEncumbrance * fFatigueAttackMult;
        if (!weapon.isEmpty())
            fatigueLoss += weapon.getClass().getWeight(weapon) * getNpcStats(ptr).getAttackStrength() * fWeaponFatigueMult;
        fatigue.setCurrent(fatigue.getCurrent() - fatigueLoss);
        getCreatureStats(ptr).setFatigue(fatigue);

506
        const float fCombatDistance = store.find("fCombatDistance")->getFloat();
scrawl's avatar
scrawl committed
507
        float dist = fCombatDistance * (!weapon.isEmpty() ?
508
                               weapon.get<ESM::Weapon>()->mBase->mData.mReach :
509
                               store.find("fHandToHandReach")->getFloat());
scrawl's avatar
scrawl committed
510

scrawl's avatar
scrawl committed
511
        // TODO: Use second to work out the hit angle
scrawl's avatar
scrawl committed
512 513 514
        std::pair<MWWorld::Ptr, Ogre::Vector3> result = world->getHitContact(ptr, dist);
        MWWorld::Ptr victim = result.first;
        Ogre::Vector3 hitPosition = result.second;
Chris Robinson's avatar
Chris Robinson committed
515 516 517
        if(victim.isEmpty()) // Didn't hit anything
            return;

518
        const MWWorld::Class &othercls = victim.getClass();
519 520
        if(!othercls.isActor()) // Can't hit non-actors
            return;
521
        MWMechanics::CreatureStats &otherstats = othercls.getCreatureStats(victim);
522
        if(otherstats.isDead()) // Can't hit dead actors
Chris Robinson's avatar
Chris Robinson committed
523 524
            return;

scrawl's avatar
scrawl committed
525
        if(ptr.getRefData().getHandle() == "player")
scrawl's avatar
scrawl committed
526
            MWBase::Environment::get().getWindowManager()->setEnemy(victim);
scrawl's avatar
scrawl committed
527

528
        int weapskill = ESM::Skill::HandToHand;
529
        if(!weapon.isEmpty())
530
            weapskill = weapon.getClass().getEquipmentSkill(weapon);
531

532
        float hitchance = MWMechanics::getHitChance(ptr, victim, ptr.getClass().getSkill(ptr, weapskill));
533

Chris Robinson's avatar
Chris Robinson committed
534
        if((::rand()/(RAND_MAX+1.0)) > hitchance/100.0f)
535
        {
536
            othercls.onHit(victim, 0.0f, false, weapon, ptr, false);
537
            MWMechanics::reduceWeaponCondition(0.f, false, weapon, ptr);
538 539
            return;
        }
Chris Robinson's avatar
Chris Robinson committed
540

541
        bool healthdmg;
542
        float damage = 0.0f;
543
        MWMechanics::NpcStats &stats = getNpcStats(ptr);
544
        if(!weapon.isEmpty())
Chris Robinson's avatar
Chris Robinson committed
545
        {
546
            const unsigned char *attack = NULL;
mrcheko's avatar
mrcheko committed
547
            if(type == ESM::Weapon::AT_Chop)
548
                attack = weapon.get<ESM::Weapon>()->mBase->mData.mChop;
mrcheko's avatar
mrcheko committed
549
            else if(type == ESM::Weapon::AT_Slash)
550
                attack = weapon.get<ESM::Weapon>()->mBase->mData.mSlash;
mrcheko's avatar
mrcheko committed
551
            else if(type == ESM::Weapon::AT_Thrust)
552
                attack = weapon.get<ESM::Weapon>()->mBase->mData.mThrust;
553
            if(attack)
554
            {
555
                damage  = attack[0] + ((attack[1]-attack[0])*stats.getAttackStrength());
556 557
                damage *= gmst.fDamageStrengthBase->getFloat() +
                        (stats.getAttribute(ESM::Attribute::Strength).getModified() * gmst.fDamageStrengthMult->getFloat() * 0.1);
558
            }
559 560
            MWMechanics::adjustWeaponDamage(damage, weapon);
            MWMechanics::reduceWeaponCondition(damage, true, weapon, ptr);
561 562 563 564 565 566 567
            healthdmg = true;
        }
        else
        {
            // Note: MCP contains an option to include Strength in hand-to-hand damage
            // calculations. Some mods recommend using it, so we may want to include am
            // option for it.
568 569
            float minstrike = store.find("fMinHandToHandMult")->getFloat();
            float maxstrike = store.find("fMaxHandToHandMult")->getFloat();
570 571
            damage  = stats.getSkill(weapskill).getModified();
            damage *= minstrike + ((maxstrike-minstrike)*stats.getAttackStrength());
572

573
            healthdmg = (otherstats.getMagicEffects().get(ESM::MagicEffect::Paralyze).getMagnitude() > 0)
scrawl's avatar
scrawl committed
574
                    || otherstats.getKnockedDown();
575
            if(stats.isWerewolf())
576 577 578
            {
                healthdmg = true;
                // GLOB instead of GMST because it gets updated during a quest
Miroslav R.'s avatar
Miroslav R. committed
579
                damage *= world->getGlobalFloat("werewolfclawmult");
580
            }
581
            if(healthdmg)
582
                damage *= store.find("fHandtoHandHealthPer")->getFloat();
583 584 585 586

            MWBase::SoundManager *sndMgr = MWBase::Environment::get().getSoundManager();
            if(stats.isWerewolf())
            {
587 588 589
                const ESM::Sound *sound = world->getStore().get<ESM::Sound>().searchRandom("WolfHit");
                if(sound)
                    sndMgr->playSound3D(victim, sound->mId, 1.0f, 1.0f);
590 591 592
            }
            else
                sndMgr->playSound3D(victim, "Hand To Hand Hit", 1.0f, 1.0f);
Chris Robinson's avatar
Chris Robinson committed
593
        }
594
        if(ptr.getRefData().getHandle() == "player")
scrawl's avatar
scrawl committed
595
        {
596
            skillUsageSucceeded(ptr, weapskill, 0);
597

scrawl's avatar
scrawl committed
598 599 600 601 602 603 604 605 606 607
            const MWMechanics::AiSequence& seq = victim.getClass().getCreatureStats(victim).getAiSequence();

            bool unaware = !seq.isInCombat()
                    && !MWBase::Environment::get().getMechanicsManager()->awarenessCheck(ptr, victim);
            if(unaware)
            {
                damage *= store.find("fCombatCriticalStrikeMult")->getFloat();
                MWBase::Environment::get().getWindowManager()->messageBox("#{sTargetCriticalStrike}");
                MWBase::Environment::get().getSoundManager()->playSound3D(victim, "critical damage", 1.0f, 1.0f);
            }
608
        }
scrawl's avatar
scrawl committed
609

610
        if (othercls.getCreatureStats(victim).getKnockedDown())
611
            damage *= store.find("fCombatKODamageMult")->getFloat();
612

613
        // Apply "On hit" enchanted weapons
614
        std::string enchantmentName = !weapon.isEmpty() ? weapon.getClass().getEnchantment(weapon) : "";
615 616 617 618 619 620
        if (!enchantmentName.empty())
        {
            const ESM::Enchantment* enchantment = MWBase::Environment::get().getWorld()->getStore().get<ESM::Enchantment>().find(
                        enchantmentName);
            if (enchantment->mData.mType == ESM::Enchantment::WhenStrikes)
            {
621 622
                MWMechanics::CastSpell cast(ptr, victim);
                cast.mHitPosition = hitPosition;
623
                cast.cast(weapon);
624 625 626
            }
        }

627 628
        MWMechanics::applyElementalShields(ptr, victim);

629 630 631 632
        if (!weapon.isEmpty() && MWMechanics::blockMeleeAttack(ptr, victim, weapon, damage))
            damage = 0;

        if (healthdmg && damage > 0)
633
            MWBase::Environment::get().getWorld()->spawnBloodEffect(victim, hitPosition);
scrawl's avatar
scrawl committed
634

635 636
        MWMechanics::diseaseContact(victim, ptr);

637
        othercls.onHit(victim, damage, healthdmg, weapon, ptr, true);
Chris Robinson's avatar
Chris Robinson committed
638 639
    }

640
    void Npc::onHit(const MWWorld::Ptr &ptr, float damage, bool ishealth, const MWWorld::Ptr &object, const MWWorld::Ptr &attacker, bool successful) const
Chris Robinson's avatar
Chris Robinson committed
641
    {
642 643
        MWBase::SoundManager *sndMgr = MWBase::Environment::get().getSoundManager();

644 645
        // NOTE: 'object' and/or 'attacker' may be empty.

646 647
        bool wasDead = getCreatureStats(ptr).isDead();

648 649
        // Note OnPcHitMe is not set for friendly hits.
        bool setOnPcHitMe = true;
650 651 652
        if (!attacker.isEmpty() && !ptr.getClass().getCreatureStats(ptr).getAiSequence().isInCombat(attacker))
        {
            getCreatureStats(ptr).setAttacked(true);
653

654
            setOnPcHitMe = MWBase::Environment::get().getMechanicsManager()->actorAttacked(ptr, attacker);
655
        }
656

657 658 659
        if(!object.isEmpty())
            getCreatureStats(ptr).setLastHitAttemptObject(object.getClass().getId(object));

660 661 662
        if(!successful)
        {
            // Missed
663
            sndMgr->playSound3D(ptr, "miss", 1.0f, 1.0f);
664 665
            return;
        }
Chris Robinson's avatar
Chris Robinson committed
666

667
        if(!object.isEmpty())
668
            getCreatureStats(ptr).setLastHitObject(object.getClass().getId(object));
669

670
        if(setOnPcHitMe && !attacker.isEmpty() && attacker.getRefData().getHandle() == "player")
671
        {
scrawl's avatar
scrawl committed
672
            const std::string &script = ptr.getClass().getScript(ptr);
673 674 675 676
            /* Set the OnPCHitMe script variable. The script is responsible for clearing it. */
            if(!script.empty())
                ptr.getRefData().getLocals().setVarByInt(script, "onpchitme", 1);
        }
677

678 679 680
        if (damage > 0.0f && !object.isEmpty())
            MWMechanics::resistNormalWeapon(ptr, attacker, object, damage);

681 682 683
        if (damage < 0.001f)
            damage = 0;

684
        if(damage > 0.0f && !attacker.isEmpty())
Chris Robinson's avatar
Chris Robinson committed
685 686 687
        {
            // 'ptr' is losing health. Play a 'hit' voiced dialog entry if not already saying
            // something, alert the character controller, scripts, etc.
688

scrawl's avatar
scrawl committed
689
            const MWWorld::ESMStore &store = MWBase::Environment::get().getWorld()->getStore();
690 691
            const GMST& gmst = getGmst();

scrawl's avatar
scrawl committed
692 693 694 695 696 697
            int chance = store.get<ESM::GameSetting>().find("iVoiceHitOdds")->getInt();
            int roll = std::rand()/ (static_cast<double> (RAND_MAX) + 1) * 100; // [0, 99]
            if (roll < chance)
            {
                MWBase::Environment::get().getDialogueManager()->say(ptr, "hit");
            }
698 699

            // Check for knockdown
700
            float agilityTerm = getCreatureStats(ptr).getAttribute(ESM::Attribute::Agility).getModified() * gmst.fKnockDownMult->getFloat();
701
            float knockdownTerm = getCreatureStats(ptr).getAttribute(ESM::Attribute::Agility).getModified()
702
                    * gmst.iKnockDownOddsMult->getInt() * 0.01 + gmst.iKnockDownOddsBase->getInt();
703 704 705 706 707 708 709 710
            roll = std::rand()/ (static_cast<double> (RAND_MAX) + 1) * 100; // [0, 99]
            if (ishealth && agilityTerm <= damage && knockdownTerm <= roll)
            {
                getCreatureStats(ptr).setKnockedDown(true);

            }
            else
                getCreatureStats(ptr).setHitRecovery(true); // Is this supposed to always occur?
711

712
            if(damage > 0 && ishealth)
713
            {
714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731
                // Hit percentages:
                // cuirass = 30%
                // shield, helmet, greaves, boots, pauldrons = 10% each
                // guantlets = 5% each
                static const int hitslots[20] = {
                    MWWorld::InventoryStore::Slot_Cuirass, MWWorld::InventoryStore::Slot_Cuirass,
                    MWWorld::InventoryStore::Slot_Cuirass, MWWorld::InventoryStore::Slot_Cuirass,
                    MWWorld::InventoryStore::Slot_Cuirass, MWWorld::InventoryStore::Slot_Cuirass,
                    MWWorld::InventoryStore::Slot_CarriedLeft, MWWorld::InventoryStore::Slot_CarriedLeft,
                    MWWorld::InventoryStore::Slot_Helmet, MWWorld::InventoryStore::Slot_Helmet,
                    MWWorld::InventoryStore::Slot_Greaves, MWWorld::InventoryStore::Slot_Greaves,
                    MWWorld::InventoryStore::Slot_Boots, MWWorld::InventoryStore::Slot_Boots,
                    MWWorld::InventoryStore::Slot_LeftPauldron, MWWorld::InventoryStore::Slot_LeftPauldron,
                    MWWorld::InventoryStore::Slot_RightPauldron, MWWorld::InventoryStore::Slot_RightPauldron,
                    MWWorld::InventoryStore::Slot_LeftGauntlet, MWWorld::InventoryStore::Slot_RightGauntlet
                };
                int hitslot = hitslots[(int)(::rand()/(RAND_MAX+1.0)*20.0)];

732 733 734 735 736 737
                float unmitigatedDamage = damage;
                float x = damage / (damage + getArmorRating(ptr));
                damage *= std::max(gmst.fCombatArmorMinMult->getFloat(), x);
                int damageDiff = unmitigatedDamage - damage;
                if (damage < 1)
                    damage = 1;
738

739 740 741 742
                MWWorld::InventoryStore &inv = getInventoryStore(ptr);
                MWWorld::ContainerStoreIterator armorslot = inv.getSlot(hitslot);
                MWWorld::Ptr armor = ((armorslot != inv.end()) ? *armorslot : MWWorld::Ptr());
                if(!armor.isEmpty() && armor.getTypeName() == typeid(ESM::Armor).name())
743
                {
744
                    int armorhealth = armor.getClass().getItemHealth(armor);
745
                    armorhealth -= std::min(std::max(1, damageDiff),
746 747
                                                 armorhealth);
                    armor.getCellRef().setCharge(armorhealth);
748 749

                    // Armor broken? unequip it
750
                    if (armorhealth == 0)
751
                        armor = *inv.unequipItem(armor, ptr);
752

753
                    if (ptr.getRefData().getHandle() == "player")
754
                        skillUsageSucceeded(ptr, armor.getClass().getEquipmentSkill(armor), 0);
755

756
                    switch(armor.getClass().getEquipmentSkill(armor))
757 758 759 760 761 762 763 764 765 766 767
                    {
                        case ESM::Skill::LightArmor:
                            sndMgr->playSound3D(ptr, "Light Armor Hit", 1.0f, 1.0f);
                            break;
                        case ESM::Skill::MediumArmor:
                            sndMgr->playSound3D(ptr, "Medium Armor Hit", 1.0f, 1.0f);
                            break;
                        case ESM::Skill::HeavyArmor:
                            sndMgr->playSound3D(ptr, "Heavy Armor Hit", 1.0f, 1.0f);
                            break;
                    }
768
                }
769 770
                else if(ptr.getRefData().getHandle() == "player")
                    skillUsageSucceeded(ptr, ESM::Skill::Unarmored, 0);
771
            }
Chris Robinson's avatar
Chris Robinson committed
772 773
        }

774 775
        if(ishealth)
        {
776 777 778
            if (!attacker.isEmpty())
                d