4jcraft/Minecraft.World/Entities/LivingEntity.cpp
2026-03-21 16:29:02 -05:00

1735 lines
55 KiB
C++

#include "../Platform/stdafx.h"
#include "../Util/JavaMath.h"
#include "../Util/Mth.h"
#include "../Headers/net.minecraft.network.packet.h"
#include "../Headers/net.minecraft.world.level.h"
#include "../Headers/net.minecraft.world.level.tile.h"
#include "../Headers/net.minecraft.world.phys.h"
#include "../Headers/net.minecraft.world.entity.h"
#include "../Headers/net.minecraft.world.entity.ai.attributes.h"
#include "../Headers/net.minecraft.world.entity.ai.control.h"
#include "../Headers/net.minecraft.world.entity.ai.navigation.h"
#include "../Headers/net.minecraft.world.entity.ai.sensing.h"
#include "../Headers/net.minecraft.world.entity.player.h"
#include "../Headers/net.minecraft.world.entity.animal.h"
#include "../Headers/net.minecraft.world.entity.monster.h"
#include "../Headers/net.minecraft.world.item.h"
#include "../Headers/net.minecraft.world.level.h"
#include "../Headers/net.minecraft.world.level.chunk.h"
#include "../Headers/net.minecraft.world.level.material.h"
#include "../Headers/net.minecraft.world.damagesource.h"
#include "../Headers/net.minecraft.world.effect.h"
#include "../Headers/net.minecraft.world.item.alchemy.h"
#include "../Headers/net.minecraft.world.item.enchantment.h"
#include "../Headers/net.minecraft.world.scores.h"
#include "../Headers/com.mojang.nbt.h"
#include "LivingEntity.h"
#include "../../Minecraft.Client/Textures/Textures.h"
#include "../../Minecraft.Client/Level/ServerLevel.h"
#include "../../Minecraft.Client/Player/EntityTracker.h"
#include "../Util/SoundTypes.h"
#include "../Util/BasicTypeContainers.h"
#include "../Util/ParticleTypes.h"
#include "../Stats/GenericStats.h"
#include "ItemEntity.h"
const double LivingEntity::MIN_MOVEMENT_DISTANCE = 0.005;
AttributeModifier* LivingEntity::SPEED_MODIFIER_SPRINTING =
(new AttributeModifier(eModifierId_MOB_SPRINTING, 0.3f,
AttributeModifier::OPERATION_MULTIPLY_TOTAL))
->setSerialize(false);
void LivingEntity::_init() {
attributes = NULL;
combatTracker = new CombatTracker(this);
lastEquipment = ItemInstanceArray(5);
swinging = false;
swingTime = 0;
removeArrowTime = 0;
lastHealth = 0.0f;
hurtTime = 0;
hurtDuration = 0;
hurtDir = 0.0f;
deathTime = 0;
attackTime = 0;
oAttackAnim = attackAnim = 0.0f;
walkAnimSpeedO = 0.0f;
walkAnimSpeed = 0.0f;
walkAnimPos = 0.0f;
invulnerableDuration = 20;
oTilt = tilt = 0.0f;
timeOffs = 0.0f;
rotA = 0.0f;
yBodyRot = yBodyRotO = 0.0f;
yHeadRot = yHeadRotO = 0.0f;
flyingSpeed = 0.02f;
lastHurtByPlayer = nullptr;
lastHurtByPlayerTime = 0;
dead = false;
noActionTime = 0;
oRun = run = 0.0f;
animStep = animStepO = 0.0f;
rotOffs = 0.0f;
deathScore = 0;
lastHurt = 0.0f;
jumping = false;
xxa = 0.0f;
yya = 0.0f;
yRotA = 0.0f;
lSteps = 0;
lx = ly = lz = lyr = lxr = 0.0;
effectsDirty = false;
lastHurtByMob = nullptr;
lastHurtByMobTimestamp = 0;
lastHurtMob = nullptr;
lastHurtMobTimestamp = 0;
speed = 0.0f;
noJumpDelay = 0;
absorptionAmount = 0.0f;
}
LivingEntity::LivingEntity(Level* level) : Entity(level) {
MemSect(56);
_init();
MemSect(0);
// 4J Stu - This will not call the correct derived function, so moving to
// each derived class
// setHealth(0);
// registerAttributes();
blocksBuilding = true;
rotA = (float)(Math::random() + 1) * 0.01f;
setPos(x, y, z);
timeOffs = (float)Math::random() * 12398;
yRot = (float)(Math::random() * PI * 2);
yHeadRot = yRot;
footSize = 0.5f;
}
LivingEntity::~LivingEntity() {
for (AUTO_VAR(it, activeEffects.begin()); it != activeEffects.end(); ++it) {
delete it->second;
}
delete attributes;
delete combatTracker;
if (lastEquipment.data != NULL) delete[] lastEquipment.data;
}
void LivingEntity::defineSynchedData() {
entityData->define(DATA_EFFECT_COLOR_ID, 0);
entityData->define(DATA_EFFECT_AMBIENCE_ID, (uint8_t)0);
entityData->define(DATA_ARROW_COUNT_ID, (uint8_t)0);
entityData->define(DATA_HEALTH_ID, 1.0f);
}
void LivingEntity::registerAttributes() {
getAttributes()->registerAttribute(SharedMonsterAttributes::MAX_HEALTH);
getAttributes()->registerAttribute(
SharedMonsterAttributes::KNOCKBACK_RESISTANCE);
getAttributes()->registerAttribute(SharedMonsterAttributes::MOVEMENT_SPEED);
if (!useNewAi()) {
getAttribute(SharedMonsterAttributes::MOVEMENT_SPEED)
->setBaseValue(0.1f);
}
}
void LivingEntity::checkFallDamage(double ya, bool onGround) {
if (!isInWater()) {
// double-check if we've reached water in this move tick
updateInWaterState();
}
if (onGround && fallDistance > 0) {
int xt = Mth::floor(x);
int yt = Mth::floor(y - 0.2f - heightOffset);
int zt = Mth::floor(z);
int t = level->getTile(xt, yt, zt);
if (t == 0) {
int renderShape = level->getTileRenderShape(xt, yt - 1, zt);
if (renderShape == Tile::SHAPE_FENCE ||
renderShape == Tile::SHAPE_WALL ||
renderShape == Tile::SHAPE_FENCE_GATE) {
t = level->getTile(xt, yt - 1, zt);
}
}
if (t > 0) {
Tile::tiles[t]->fallOn(level, xt, yt, zt, shared_from_this(),
fallDistance);
}
}
Entity::checkFallDamage(ya, onGround);
}
bool LivingEntity::isWaterMob() { return false; }
void LivingEntity::baseTick() {
oAttackAnim = attackAnim;
Entity::baseTick();
if (isAlive() && isInWall()) {
hurt(DamageSource::inWall, 1);
}
if (isFireImmune() || level->isClientSide) clearFire();
std::shared_ptr<Player> thisPlayer =
std::dynamic_pointer_cast<Player>(shared_from_this());
bool isInvulnerable =
(thisPlayer != NULL && thisPlayer->abilities.invulnerable);
if (isAlive() && isUnderLiquid(Material::water)) {
if (!isWaterMob() && !hasEffect(MobEffect::waterBreathing->id) &&
!isInvulnerable) {
setAirSupply(decreaseAirSupply(getAirSupply()));
if (getAirSupply() == -20) {
setAirSupply(0);
if (canCreateParticles()) {
for (int i = 0; i < 8; i++) {
float xo = random->nextFloat() - random->nextFloat();
float yo = random->nextFloat() - random->nextFloat();
float zo = random->nextFloat() - random->nextFloat();
level->addParticle(eParticleType_bubble, x + xo, y + yo,
z + zo, xd, yd, zd);
}
}
hurt(DamageSource::drown, 2);
}
}
clearFire();
if (!level->isClientSide && isRiding() &&
riding->instanceof(eTYPE_LIVINGENTITY)) {
ride(nullptr);
}
} else {
setAirSupply(TOTAL_AIR_SUPPLY);
}
oTilt = tilt;
if (attackTime > 0) attackTime--;
if (hurtTime > 0) hurtTime--;
if (invulnerableTime > 0) invulnerableTime--;
if (getHealth() <= 0) {
tickDeath();
}
if (lastHurtByPlayerTime > 0)
lastHurtByPlayerTime--;
else {
// Note - this used to just set to nullptr, but that has to create a new
// std::shared_ptr and free an old one, when generally this won't be
// doing anything at all. This is the lightweight but ugly alternative
if (lastHurtByPlayer) {
lastHurtByPlayer.reset();
}
}
if (lastHurtMob != NULL && !lastHurtMob->isAlive()) {
lastHurtMob = nullptr;
}
// If lastHurtByMob is dead, remove it
if (lastHurtByMob != NULL && !lastHurtByMob->isAlive()) {
setLastHurtByMob(nullptr);
}
// Update effects
tickEffects();
animStepO = animStep;
yBodyRotO = yBodyRot;
yHeadRotO = yHeadRot;
yRotO = yRot;
xRotO = xRot;
}
bool LivingEntity::isBaby() { return false; }
void LivingEntity::tickDeath() {
deathTime++;
if (deathTime == 20) {
// 4J Stu - Added level->isClientSide check from 1.2 to fix XP orbs
// being created client side
if (!level->isClientSide &&
(lastHurtByPlayerTime > 0 || isAlwaysExperienceDropper())) {
if (!isBaby() &&
level->getGameRules()->getBoolean(GameRules::RULE_DOMOBLOOT)) {
int xpCount = this->getExperienceReward(lastHurtByPlayer);
while (xpCount > 0) {
int newCount = ExperienceOrb::getExperienceValue(xpCount);
xpCount -= newCount;
level->addEntity(std::shared_ptr<ExperienceOrb>(
new ExperienceOrb(level, x, y, z, newCount)));
}
}
}
remove();
for (int i = 0; i < 20; i++) {
double xa = random->nextGaussian() * 0.02;
double ya = random->nextGaussian() * 0.02;
double za = random->nextGaussian() * 0.02;
level->addParticle(eParticleType_explode,
x + random->nextFloat() * bbWidth * 2 - bbWidth,
y + random->nextFloat() * bbHeight,
z + random->nextFloat() * bbWidth * 2 - bbWidth,
xa, ya, za);
}
}
}
int LivingEntity::decreaseAirSupply(int currentSupply) {
int oxygenBonus = EnchantmentHelper::getOxygenBonus(
std::dynamic_pointer_cast<LivingEntity>(shared_from_this()));
if (oxygenBonus > 0) {
if (random->nextInt(oxygenBonus + 1) > 0) {
// the oxygen bonus prevents us from drowning
return currentSupply;
}
}
if (instanceof(eTYPE_PLAYER)) {
app.DebugPrintf("++++++++++ %s: Player decreasing air supply to %d\n",
level->isClientSide ? "CLIENT" : "SERVER",
currentSupply - 1);
}
return currentSupply - 1;
}
int LivingEntity::getExperienceReward(std::shared_ptr<Player> killedBy) {
return 0;
}
bool LivingEntity::isAlwaysExperienceDropper() { return false; }
Random* LivingEntity::getRandom() { return random; }
std::shared_ptr<LivingEntity> LivingEntity::getLastHurtByMob() {
return lastHurtByMob;
}
int LivingEntity::getLastHurtByMobTimestamp() { return lastHurtByMobTimestamp; }
void LivingEntity::setLastHurtByMob(std::shared_ptr<LivingEntity> target) {
lastHurtByMob = target;
lastHurtByMobTimestamp = tickCount;
}
std::shared_ptr<LivingEntity> LivingEntity::getLastHurtMob() {
return lastHurtMob;
}
int LivingEntity::getLastHurtMobTimestamp() { return lastHurtMobTimestamp; }
void LivingEntity::setLastHurtMob(std::shared_ptr<Entity> target) {
if (target->instanceof(eTYPE_LIVINGENTITY)) {
lastHurtMob = std::dynamic_pointer_cast<LivingEntity>(target);
} else {
lastHurtMob = nullptr;
}
lastHurtMobTimestamp = tickCount;
}
int LivingEntity::getNoActionTime() { return noActionTime; }
void LivingEntity::addAdditonalSaveData(CompoundTag* entityTag) {
entityTag->putFloat(L"HealF", getHealth());
entityTag->putShort(L"Health", (short)ceil(getHealth()));
entityTag->putShort(L"HurtTime", (short)hurtTime);
entityTag->putShort(L"DeathTime", (short)deathTime);
entityTag->putShort(L"AttackTime", (short)attackTime);
entityTag->putFloat(L"AbsorptionAmount", getAbsorptionAmount());
ItemInstanceArray items = getEquipmentSlots();
for (unsigned int i = 0; i < items.length; ++i) {
std::shared_ptr<ItemInstance> item = items[i];
if (item != NULL) {
attributes->removeItemModifiers(item);
}
}
entityTag->put(L"Attributes",
SharedMonsterAttributes::saveAttributes(getAttributes()));
for (unsigned int i = 0; i < items.length; ++i) {
std::shared_ptr<ItemInstance> item = items[i];
if (item != NULL) {
attributes->addItemModifiers(item);
}
}
if (!activeEffects.empty()) {
ListTag<CompoundTag>* listTag = new ListTag<CompoundTag>();
for (AUTO_VAR(it, activeEffects.begin()); it != activeEffects.end();
++it) {
MobEffectInstance* effect = it->second;
listTag->add(effect->save(new CompoundTag()));
}
entityTag->put(L"ActiveEffects", listTag);
}
}
void LivingEntity::readAdditionalSaveData(CompoundTag* tag) {
setAbsorptionAmount(tag->getFloat(L"AbsorptionAmount"));
if (tag->contains(L"Attributes") && level != NULL && !level->isClientSide) {
SharedMonsterAttributes::loadAttributes(
getAttributes(),
(ListTag<CompoundTag>*)tag->getList(L"Attributes"));
}
if (tag->contains(L"ActiveEffects")) {
ListTag<CompoundTag>* effects =
(ListTag<CompoundTag>*)tag->getList(L"ActiveEffects");
for (int i = 0; i < effects->size(); i++) {
CompoundTag* effectTag = effects->get(i);
MobEffectInstance* effect = MobEffectInstance::load(effectTag);
activeEffects.insert(
std::unordered_map<int, MobEffectInstance*>::value_type(
effect->getId(), effect));
}
}
if (tag->contains(L"HealF")) {
setHealth(tag->getFloat(L"HealF"));
} else {
Tag* healthTag = tag->get(L"Health");
if (healthTag == NULL) {
setHealth(getMaxHealth());
} else if (healthTag->getId() == Tag::TAG_Float) {
setHealth(((FloatTag*)healthTag)->data);
} else if (healthTag->getId() == Tag::TAG_Short) {
// pre-1.6 health
setHealth((float)((ShortTag*)healthTag)->data);
}
}
hurtTime = tag->getShort(L"HurtTime");
deathTime = tag->getShort(L"DeathTime");
attackTime = tag->getShort(L"AttackTime");
}
void LivingEntity::tickEffects() {
bool removed = false;
for (AUTO_VAR(it, activeEffects.begin()); it != activeEffects.end();) {
MobEffectInstance* effect = it->second;
removed = false;
if (!effect->tick(
std::dynamic_pointer_cast<LivingEntity>(shared_from_this()))) {
if (!level->isClientSide) {
it = activeEffects.erase(it);
onEffectRemoved(effect);
delete effect;
removed = true;
}
} else if (effect->getDuration() %
(SharedConstants::TICKS_PER_SECOND * 30) ==
0) {
// update effects every 30 seconds to synchronize client-side
// timer
onEffectUpdated(effect, false);
}
if (!removed) {
++it;
}
}
if (effectsDirty) {
if (!level->isClientSide) {
if (activeEffects.empty()) {
entityData->set(DATA_EFFECT_AMBIENCE_ID, (uint8_t)0);
entityData->set(DATA_EFFECT_COLOR_ID, 0);
setInvisible(false);
setWeakened(false);
} else {
std::vector<MobEffectInstance*> values;
for (AUTO_VAR(it, activeEffects.begin());
it != activeEffects.end(); ++it) {
values.push_back(it->second);
}
int colorValue = PotionBrewing::getColorValue(&values);
entityData->set(DATA_EFFECT_AMBIENCE_ID,
PotionBrewing::areAllEffectsAmbient(&values)
? (uint8_t)1
: (uint8_t)0);
values.clear();
entityData->set(DATA_EFFECT_COLOR_ID, colorValue);
setInvisible(hasEffect(MobEffect::invisibility->id));
setWeakened(hasEffect(MobEffect::weakness->id));
}
}
effectsDirty = false;
}
int colorValue = entityData->getInteger(DATA_EFFECT_COLOR_ID);
bool ambient = entityData->getByte(DATA_EFFECT_AMBIENCE_ID) > 0;
if (colorValue > 0) {
boolean doParticle = false;
if (!isInvisible()) {
doParticle = random->nextBoolean();
} else {
// much fewer particles when invisible
doParticle = random->nextInt(15) == 0;
}
if (ambient) doParticle &= random->nextInt(5) == 0;
if (doParticle) {
// int colorValue =
// entityData.getInteger(DATA_EFFECT_COLOR_ID);
if (colorValue > 0) {
double red = (double)((colorValue >> 16) & 0xff) / 255.0;
double green = (double)((colorValue >> 8) & 0xff) / 255.0;
double blue = (double)((colorValue >> 0) & 0xff) / 255.0;
level->addParticle(
ambient ? eParticleType_mobSpellAmbient
: eParticleType_mobSpell,
x + (random->nextDouble() - 0.5) * bbWidth,
y + random->nextDouble() * bbHeight - heightOffset,
z + (random->nextDouble() - 0.5) * bbWidth, red, green,
blue);
}
}
}
}
void LivingEntity::removeAllEffects() {
// Iterator<Integer> effectIdIterator =
// activeEffects.keySet().iterator(); while
// (effectIdIterator.hasNext())
for (AUTO_VAR(it, activeEffects.begin()); it != activeEffects.end();) {
// Integer effectId = effectIdIterator.next();
MobEffectInstance* effect = it->second; // activeEffects.get(effectId);
if (!level->isClientSide) {
// effectIdIterator.remove();
it = activeEffects.erase(it);
onEffectRemoved(effect);
delete effect;
} else {
++it;
}
}
}
std::vector<MobEffectInstance*>* LivingEntity::getActiveEffects() {
std::vector<MobEffectInstance*>* active =
new std::vector<MobEffectInstance*>();
for (AUTO_VAR(it, activeEffects.begin()); it != activeEffects.end(); ++it) {
active->push_back(it->second);
}
return active;
}
bool LivingEntity::hasEffect(int id) {
return activeEffects.find(id) != activeEffects.end();
;
}
bool LivingEntity::hasEffect(MobEffect* effect) {
return activeEffects.find(effect->id) != activeEffects.end();
}
MobEffectInstance* LivingEntity::getEffect(MobEffect* effect) {
MobEffectInstance* effectInst = NULL;
AUTO_VAR(it, activeEffects.find(effect->id));
if (it != activeEffects.end()) effectInst = it->second;
return effectInst;
}
void LivingEntity::addEffect(MobEffectInstance* newEffect) {
if (!canBeAffected(newEffect)) {
return;
}
if (activeEffects.find(newEffect->getId()) != activeEffects.end()) {
// replace effect and update
MobEffectInstance* effectInst =
activeEffects.find(newEffect->getId())->second;
effectInst->update(newEffect);
onEffectUpdated(effectInst, true);
} else {
activeEffects.insert(
std::unordered_map<int, MobEffectInstance*>::value_type(
newEffect->getId(), newEffect));
onEffectAdded(newEffect);
}
}
// 4J Added
void LivingEntity::addEffectNoUpdate(MobEffectInstance* newEffect) {
if (!canBeAffected(newEffect)) {
return;
}
if (activeEffects.find(newEffect->getId()) != activeEffects.end()) {
// replace effect and update
MobEffectInstance* effectInst =
activeEffects.find(newEffect->getId())->second;
effectInst->update(newEffect);
} else {
activeEffects.insert(
std::unordered_map<int, MobEffectInstance*>::value_type(
newEffect->getId(), newEffect));
}
}
bool LivingEntity::canBeAffected(MobEffectInstance* newEffect) {
if (getMobType() == UNDEAD) {
int id = newEffect->getId();
if (id == MobEffect::regeneration->id || id == MobEffect::poison->id) {
return false;
}
}
return true;
}
bool LivingEntity::isInvertedHealAndHarm() { return getMobType() == UNDEAD; }
void LivingEntity::removeEffectNoUpdate(int effectId) {
AUTO_VAR(it, activeEffects.find(effectId));
if (it != activeEffects.end()) {
MobEffectInstance* effect = it->second;
if (effect != NULL) {
delete effect;
}
activeEffects.erase(it);
}
}
void LivingEntity::removeEffect(int effectId) {
AUTO_VAR(it, activeEffects.find(effectId));
if (it != activeEffects.end()) {
MobEffectInstance* effect = it->second;
if (effect != NULL) {
onEffectRemoved(effect);
delete effect;
}
activeEffects.erase(it);
}
}
void LivingEntity::onEffectAdded(MobEffectInstance* effect) {
effectsDirty = true;
if (!level->isClientSide)
MobEffect::effects[effect->getId()]->addAttributeModifiers(
std::dynamic_pointer_cast<LivingEntity>(shared_from_this()),
getAttributes(), effect->getAmplifier());
}
void LivingEntity::onEffectUpdated(MobEffectInstance* effect,
bool doRefreshAttributes) {
effectsDirty = true;
if (doRefreshAttributes && !level->isClientSide) {
MobEffect::effects[effect->getId()]->removeAttributeModifiers(
std::dynamic_pointer_cast<LivingEntity>(shared_from_this()),
getAttributes(), effect->getAmplifier());
MobEffect::effects[effect->getId()]->addAttributeModifiers(
std::dynamic_pointer_cast<LivingEntity>(shared_from_this()),
getAttributes(), effect->getAmplifier());
}
}
void LivingEntity::onEffectRemoved(MobEffectInstance* effect) {
effectsDirty = true;
if (!level->isClientSide)
MobEffect::effects[effect->getId()]->removeAttributeModifiers(
std::dynamic_pointer_cast<LivingEntity>(shared_from_this()),
getAttributes(), effect->getAmplifier());
}
void LivingEntity::heal(float heal) {
float health = getHealth();
if (health > 0) {
setHealth(health + heal);
}
}
float LivingEntity::getHealth() { return entityData->getFloat(DATA_HEALTH_ID); }
void LivingEntity::setHealth(float health) {
entityData->set(DATA_HEALTH_ID, Mth::clamp(health, 0.0f, getMaxHealth()));
}
bool LivingEntity::hurt(DamageSource* source, float dmg) {
if (isInvulnerable()) return false;
// 4J Stu - Reworked this function a bit to show hurt damage on the client
// before the server responds. Fix for #8823 - Gameplay: Confirmation that a
// monster or animal has taken damage from an attack is highly delayed 4J
// Stu - Change to the fix to only show damage when attacked, rather than
// collision damage Fix for #10299 - When in corners, passive mobs may show
// that they are taking damage. 4J Stu - Change to the fix for TU6, as
// source is never NULL due to changes in 1.8.2 to what source actually is
if (level->isClientSide &&
dynamic_cast<EntityDamageSource*>(source) == NULL)
return false;
noActionTime = 0;
if (getHealth() <= 0) return false;
if (source->isFire() && hasEffect(MobEffect::fireResistance)) {
// 4J-JEV, for new achievement Stayin'Frosty, TODO merge with Java
// version.
if (this->instanceof(eTYPE_PLAYER) &&
(source ==
DamageSource::lava)) // Only award when in lava (not any fire).
{
std::shared_ptr<Player> plr =
std::dynamic_pointer_cast<Player>(shared_from_this());
plr->awardStat(GenericStats::stayinFrosty(),
GenericStats::param_stayinFrosty());
}
return false;
}
if ((source == DamageSource::anvil ||
source == DamageSource::fallingBlock) &&
getCarried(SLOT_HELM) != NULL) {
getCarried(SLOT_HELM)->hurtAndBreak(
(int)(dmg * 4 + random->nextFloat() * dmg * 2.0f),
std::dynamic_pointer_cast<LivingEntity>(shared_from_this()));
dmg *= 0.75f;
}
walkAnimSpeed = 1.5f;
bool sound = true;
if (invulnerableTime > invulnerableDuration / 2.0f) {
if (dmg <= lastHurt) return false;
if (!level->isClientSide) actuallyHurt(source, dmg - lastHurt);
lastHurt = dmg;
sound = false;
} else {
lastHurt = dmg;
lastHealth = getHealth();
invulnerableTime = invulnerableDuration;
if (!level->isClientSide) actuallyHurt(source, dmg);
hurtTime = hurtDuration = 10;
}
hurtDir = 0;
std::shared_ptr<Entity> sourceEntity = source->getEntity();
if (sourceEntity != NULL) {
if (sourceEntity->instanceof(eTYPE_LIVINGENTITY)) {
setLastHurtByMob(
std::dynamic_pointer_cast<LivingEntity>(sourceEntity));
}
if (sourceEntity->instanceof(eTYPE_PLAYER)) {
lastHurtByPlayerTime = PLAYER_HURT_EXPERIENCE_TIME;
lastHurtByPlayer = std::dynamic_pointer_cast<Player>(sourceEntity);
} else if (sourceEntity->instanceof(eTYPE_WOLF)) {
std::shared_ptr<Wolf> w =
std::dynamic_pointer_cast<Wolf>(sourceEntity);
if (w->isTame()) {
lastHurtByPlayerTime = PLAYER_HURT_EXPERIENCE_TIME;
lastHurtByPlayer = nullptr;
}
}
}
if (sound && level->isClientSide) {
return false;
}
if (sound) {
level->broadcastEntityEvent(shared_from_this(), EntityEvent::HURT);
if (source != DamageSource::drown) markHurt();
if (sourceEntity != NULL) {
double xd = sourceEntity->x - x;
double zd = sourceEntity->z - z;
while (xd * xd + zd * zd < 0.0001) {
xd = (Math::random() - Math::random()) * 0.01;
zd = (Math::random() - Math::random()) * 0.01;
}
hurtDir = (float)(atan2(zd, xd) * 180 / PI) - yRot;
knockback(sourceEntity, dmg, xd, zd);
} else {
hurtDir = (float)(int)((Math::random() * 2) *
180); // 4J This cast is the same as Java
}
}
MemSect(31);
if (getHealth() <= 0) {
if (sound)
playSound(getDeathSound(), getSoundVolume(), getVoicePitch());
die(source);
} else {
if (sound) playSound(getHurtSound(), getSoundVolume(), getVoicePitch());
}
MemSect(0);
return true;
}
void LivingEntity::breakItem(std::shared_ptr<ItemInstance> itemInstance) {
playSound(eSoundType_RANDOM_BREAK, 0.8f,
0.8f + level->random->nextFloat() * 0.4f);
for (int i = 0; i < 5; i++) {
Vec3* d = Vec3::newTemp((random->nextFloat() - 0.5) * 0.1,
Math::random() * 0.1 + 0.1, 0);
d->xRot(-xRot * PI / 180);
d->yRot(-yRot * PI / 180);
Vec3* p = Vec3::newTemp((random->nextFloat() - 0.5) * 0.3,
-random->nextFloat() * 0.6 - 0.3, 0.6);
p->xRot(-xRot * PI / 180);
p->yRot(-yRot * PI / 180);
p = p->add(x, y + getHeadHeight(), z);
level->addParticle(PARTICLE_ICONCRACK(itemInstance->getItem()->id, 0),
p->x, p->y, p->z, d->x, d->y + 0.05, d->z);
}
}
void LivingEntity::die(DamageSource* source) {
std::shared_ptr<Entity> sourceEntity = source->getEntity();
std::shared_ptr<LivingEntity> killer = getKillCredit();
if (deathScore >= 0 && killer != NULL)
killer->awardKillScore(shared_from_this(), deathScore);
if (sourceEntity != NULL)
sourceEntity->killed(
std::dynamic_pointer_cast<LivingEntity>(shared_from_this()));
dead = true;
if (!level->isClientSide) {
int playerBonus = 0;
std::shared_ptr<Player> player = nullptr;
if ((sourceEntity != NULL) && sourceEntity->instanceof(eTYPE_PLAYER)) {
player = std::dynamic_pointer_cast<Player>(sourceEntity);
playerBonus = EnchantmentHelper::getKillingLootBonus(
std::dynamic_pointer_cast<LivingEntity>(player));
}
if (!isBaby() &&
level->getGameRules()->getBoolean(GameRules::RULE_DOMOBLOOT)) {
dropDeathLoot(lastHurtByPlayerTime > 0, playerBonus);
dropEquipment(lastHurtByPlayerTime > 0, playerBonus);
if (lastHurtByPlayerTime > 0) {
int rareLoot = random->nextInt(200) - playerBonus;
if (rareLoot < 5) {
dropRareDeathLoot((rareLoot <= 0) ? 1 : 0);
}
}
}
// 4J-JEV, hook for Durango mobKill event.
if (player != NULL) {
player->awardStat(
GenericStats::killMob(),
GenericStats::param_mobKill(
player, std::dynamic_pointer_cast<Mob>(shared_from_this()),
source));
}
}
level->broadcastEntityEvent(shared_from_this(), EntityEvent::DEATH);
}
void LivingEntity::dropEquipment(bool byPlayer, int playerBonusLevel) {}
void LivingEntity::knockback(std::shared_ptr<Entity> source, float dmg,
double xd, double zd) {
if (random->nextDouble() <
getAttribute(SharedMonsterAttributes::KNOCKBACK_RESISTANCE)
->getValue()) {
return;
}
hasImpulse = true;
float dd = Mth::sqrt(xd * xd + zd * zd);
float pow = 0.4f;
this->xd /= 2;
yd /= 2;
this->zd /= 2;
this->xd -= xd / dd * pow;
yd += pow;
this->zd -= zd / dd * pow;
if (yd > 0.4f) yd = 0.4f;
}
int LivingEntity::getHurtSound() { return eSoundType_DAMAGE_HURT; }
int LivingEntity::getDeathSound() { return eSoundType_DAMAGE_HURT; }
/**
* Drop extra rare loot. Only occurs roughly 5% of the time, rareRootLevel
* is set to 1 (otherwise 0) 1% of the time.
*
* @param rareLootLevel
*/
void LivingEntity::dropRareDeathLoot(int rareLootLevel) {}
void LivingEntity::dropDeathLoot(bool wasKilledByPlayer, int playerBonusLevel) {
}
bool LivingEntity::onLadder() {
int xt = Mth::floor(x);
int yt = Mth::floor(bb->y0);
int zt = Mth::floor(z);
// 4J-PB - TU9 - add climbable vines
int iTile = level->getTile(xt, yt, zt);
return (iTile == Tile::ladder_Id) || (iTile == Tile::vine_Id);
}
bool LivingEntity::isShootable() { return true; }
bool LivingEntity::isAlive() { return !removed && getHealth() > 0; }
void LivingEntity::causeFallDamage(float distance) {
Entity::causeFallDamage(distance);
MobEffectInstance* jumpBoost = getEffect(MobEffect::jump);
float padding = jumpBoost != NULL ? jumpBoost->getAmplifier() + 1 : 0;
int dmg = (int)ceil(distance - 3 - padding);
if (dmg > 0) {
// 4J - new sounds here brought forward from 1.2.3
if (dmg > 4) {
playSound(eSoundType_DAMAGE_FALL_BIG, 1, 1);
} else {
playSound(eSoundType_DAMAGE_FALL_SMALL, 1, 1);
}
hurt(DamageSource::fall, dmg);
int t = level->getTile(Mth::floor(x),
Mth::floor(y - 0.2f - this->heightOffset),
Mth::floor(z));
if (t > 0) {
const Tile::SoundType* soundType = Tile::tiles[t]->soundType;
MemSect(31);
playSound(soundType->getStepSound(), soundType->getVolume() * 0.5f,
soundType->getPitch() * 0.75f);
MemSect(0);
}
}
}
void LivingEntity::animateHurt() {
hurtTime = hurtDuration = 10;
hurtDir = 0;
}
/**
* Fetches the mob's armor value, from 0 (no armor) to 20 (full armor)
*
* @return
*/
int LivingEntity::getArmorValue() {
int val = 0;
ItemInstanceArray items = getEquipmentSlots();
for (unsigned int i = 0; i < items.length; ++i) {
std::shared_ptr<ItemInstance> item = items[i];
if (item != NULL && dynamic_cast<ArmorItem*>(item->getItem()) != NULL) {
int baseProtection = ((ArmorItem*)item->getItem())->defense;
val += baseProtection;
}
}
return val;
}
void LivingEntity::hurtArmor(float damage) {}
float LivingEntity::getDamageAfterArmorAbsorb(DamageSource* damageSource,
float damage) {
if (!damageSource->isBypassArmor()) {
int absorb = 25 - getArmorValue();
float v = (damage)*absorb;
hurtArmor(damage);
damage = v / 25;
}
return damage;
}
float LivingEntity::getDamageAfterMagicAbsorb(DamageSource* damageSource,
float damage) {
// [EB]: Stupid hack :(
if (this->instanceof(eTYPE_ZOMBIE)) {
damage = damage;
}
if (hasEffect(MobEffect::damageResistance) &&
damageSource != DamageSource::outOfWorld) {
int absorbValue =
(getEffect(MobEffect::damageResistance)->getAmplifier() + 1) * 5;
int absorb = 25 - absorbValue;
float v = (damage)*absorb;
damage = v / 25;
}
if (damage <= 0) return 0;
int enchantmentArmor = EnchantmentHelper::getDamageProtection(
getEquipmentSlots(), damageSource);
if (enchantmentArmor > 20) {
enchantmentArmor = 20;
}
if (enchantmentArmor > 0 && enchantmentArmor <= 20) {
int absorb = 25 - enchantmentArmor;
float v = damage * absorb;
damage = v / 25;
}
return damage;
}
void LivingEntity::actuallyHurt(DamageSource* source, float dmg) {
if (isInvulnerable()) return;
dmg = getDamageAfterArmorAbsorb(source, dmg);
dmg = getDamageAfterMagicAbsorb(source, dmg);
float originalDamage = dmg;
dmg = std::max(dmg - getAbsorptionAmount(), 0.0f);
setAbsorptionAmount(getAbsorptionAmount() - (originalDamage - dmg));
if (dmg == 0) return;
float oldHealth = getHealth();
setHealth(oldHealth - dmg);
getCombatTracker()->recordDamage(source, oldHealth, dmg);
setAbsorptionAmount(getAbsorptionAmount() - dmg);
}
CombatTracker* LivingEntity::getCombatTracker() { return combatTracker; }
std::shared_ptr<LivingEntity> LivingEntity::getKillCredit() {
if (combatTracker->getKiller() != NULL) return combatTracker->getKiller();
if (lastHurtByPlayer != NULL) return lastHurtByPlayer;
if (lastHurtByMob != NULL) return lastHurtByMob;
return nullptr;
}
float LivingEntity::getMaxHealth() {
return (float)getAttribute(SharedMonsterAttributes::MAX_HEALTH)->getValue();
}
int LivingEntity::getArrowCount() {
return entityData->getByte(DATA_ARROW_COUNT_ID);
}
void LivingEntity::setArrowCount(int count) {
entityData->set(DATA_ARROW_COUNT_ID, (uint8_t)count);
}
int LivingEntity::getCurrentSwingDuration() {
if (hasEffect(MobEffect::digSpeed)) {
return SWING_DURATION -
(1 + getEffect(MobEffect::digSpeed)->getAmplifier()) * 1;
}
if (hasEffect(MobEffect::digSlowdown)) {
return SWING_DURATION +
(1 + getEffect(MobEffect::digSlowdown)->getAmplifier()) * 2;
}
return SWING_DURATION;
}
void LivingEntity::swing() {
if (!swinging || swingTime >= getCurrentSwingDuration() / 2 ||
swingTime < 0) {
swingTime = -1;
swinging = true;
if (dynamic_cast<ServerLevel*>(level) != NULL) {
((ServerLevel*)level)
->getTracker()
->broadcast(shared_from_this(),
std::shared_ptr<AnimatePacket>(new AnimatePacket(
shared_from_this(), AnimatePacket::SWING)));
}
}
}
void LivingEntity::handleEntityEvent(uint8_t id) {
if (id == EntityEvent::HURT) {
walkAnimSpeed = 1.5f;
invulnerableTime = invulnerableDuration;
hurtTime = hurtDuration = 10;
hurtDir = 0;
MemSect(31);
// 4J-PB -added because villagers have no sounds
int iHurtSound = getHurtSound();
if (iHurtSound != -1) {
playSound(
iHurtSound, getSoundVolume(),
(random->nextFloat() - random->nextFloat()) * 0.2f + 1.0f);
}
MemSect(0);
hurt(DamageSource::genericSource, 0);
} else if (id == EntityEvent::DEATH) {
MemSect(31);
// 4J-PB -added because villagers have no sounds
int iDeathSound = getDeathSound();
if (iDeathSound != -1) {
playSound(
iDeathSound, getSoundVolume(),
(random->nextFloat() - random->nextFloat()) * 0.2f + 1.0f);
}
MemSect(0);
setHealth(0);
die(DamageSource::genericSource);
} else {
Entity::handleEntityEvent(id);
}
}
void LivingEntity::outOfWorld() { hurt(DamageSource::outOfWorld, 4); }
void LivingEntity::updateSwingTime() {
int currentSwingDuration = getCurrentSwingDuration();
if (swinging) {
swingTime++;
if (swingTime >= currentSwingDuration) {
swingTime = 0;
swinging = false;
}
} else {
swingTime = 0;
}
attackAnim = swingTime / (float)currentSwingDuration;
}
AttributeInstance* LivingEntity::getAttribute(Attribute* attribute) {
return getAttributes()->getInstance(attribute);
}
BaseAttributeMap* LivingEntity::getAttributes() {
if (attributes == NULL) {
attributes = new ServersideAttributeMap();
}
return attributes;
}
MobType LivingEntity::getMobType() { return UNDEFINED; }
void LivingEntity::setSprinting(bool value) {
Entity::setSprinting(value);
AttributeInstance* speed =
getAttribute(SharedMonsterAttributes::MOVEMENT_SPEED);
if (speed->getModifier(eModifierId_MOB_SPRINTING) != NULL) {
speed->removeModifier(eModifierId_MOB_SPRINTING);
}
if (value) {
speed->addModifier(new AttributeModifier(*SPEED_MODIFIER_SPRINTING));
}
}
float LivingEntity::getSoundVolume() { return 1; }
float LivingEntity::getVoicePitch() {
if (isBaby()) {
return (random->nextFloat() - random->nextFloat()) * 0.2f + 1.5f;
}
return (random->nextFloat() - random->nextFloat()) * 0.2f + 1.0f;
}
bool LivingEntity::isImmobile() { return getHealth() <= 0; }
void LivingEntity::teleportTo(double x, double y, double z) {
moveTo(x, y, z, yRot, xRot);
}
void LivingEntity::findStandUpPosition(std::shared_ptr<Entity> vehicle) {
AABB* boundingBox;
double fallbackX = vehicle->x;
double fallbackY = vehicle->bb->y0 + vehicle->bbHeight;
double fallbackZ = vehicle->z;
for (double xDiff = -1.5; xDiff < 2; xDiff += 1.5) {
for (double zDiff = -1.5; zDiff < 2; zDiff += 1.5) {
if (xDiff == 0 && zDiff == 0) {
continue;
}
int xToInt = (int)(x + xDiff);
int zToInt = (int)(z + zDiff);
boundingBox = bb->cloneMove(xDiff, 1, zDiff);
if (level->getTileCubes(boundingBox, true)->empty()) {
if (level->isTopSolidBlocking(xToInt, (int)y, zToInt)) {
teleportTo(x + xDiff, y + 1, z + zDiff);
return;
} else if (level->isTopSolidBlocking(xToInt, (int)y - 1,
zToInt) ||
level->getMaterial(xToInt, (int)y - 1, zToInt) ==
Material::water) {
fallbackX = x + xDiff;
fallbackY = y + 1;
fallbackZ = z + zDiff;
}
}
}
}
teleportTo(fallbackX, fallbackY, fallbackZ);
}
bool LivingEntity::shouldShowName() { return false; }
Icon* LivingEntity::getItemInHandIcon(std::shared_ptr<ItemInstance> item,
int layer) {
return item->getIcon();
}
void LivingEntity::jumpFromGround() {
yd = 0.42f;
if (hasEffect(MobEffect::jump)) {
yd += (getEffect(MobEffect::jump)->getAmplifier() + 1) * .1f;
}
if (isSprinting()) {
float rr = yRot * Mth::RAD_TO_GRAD;
xd -= Mth::sin(rr) * 0.2f;
zd += Mth::cos(rr) * 0.2f;
}
this->hasImpulse = true;
}
void LivingEntity::travel(float xa, float ya) {
#ifdef __PSVITA__
// AP - dynamic_pointer_cast is a non-trivial call
Player* thisPlayer = NULL;
if (this->instanceof(eTYPE_PLAYER)) {
thisPlayer = (Player*)this;
}
#else
std::shared_ptr<Player> thisPlayer =
std::dynamic_pointer_cast<Player>(shared_from_this());
#endif
if (isInWater() && !(thisPlayer && thisPlayer->abilities.flying)) {
double yo = y;
moveRelative(xa, ya, useNewAi() ? 0.04f : 0.02f);
move(xd, yd, zd);
xd *= 0.80f;
yd *= 0.80f;
zd *= 0.80f;
yd -= 0.02;
if (horizontalCollision && isFree(xd, yd + 0.6f - y + yo, zd)) {
yd = 0.3f;
}
} else if (isInLava() && !(thisPlayer && thisPlayer->abilities.flying)) {
double yo = y;
moveRelative(xa, ya, 0.02f);
move(xd, yd, zd);
xd *= 0.50f;
yd *= 0.50f;
zd *= 0.50f;
yd -= 0.02;
if (horizontalCollision && isFree(xd, yd + 0.6f - y + yo, zd)) {
yd = 0.3f;
}
} else {
float friction = 0.91f;
if (onGround) {
friction = 0.6f * 0.91f;
int t = level->getTile(Mth::floor(x), Mth::floor(bb->y0) - 1,
Mth::floor(z));
if (t > 0) {
friction = Tile::tiles[t]->friction * 0.91f;
}
}
float friction2 = (0.6f * 0.6f * 0.91f * 0.91f * 0.6f * 0.91f) /
(friction * friction * friction);
float speed;
if (onGround) {
speed = getSpeed() * friction2;
} else {
speed = flyingSpeed;
}
moveRelative(xa, ya, speed);
friction = 0.91f;
if (onGround) {
friction = 0.6f * 0.91f;
int t = level->getTile(Mth::floor(x), Mth::floor(bb->y0) - 1,
Mth::floor(z));
if (t > 0) {
friction = Tile::tiles[t]->friction * 0.91f;
}
}
if (onLadder()) {
float max = 0.15f;
if (xd < -max) xd = -max;
if (xd > max) xd = max;
if (zd < -max) zd = -max;
if (zd > max) zd = max;
fallDistance = 0;
if (yd < -0.15) yd = -0.15;
bool playerSneaking =
isSneaking() && this->instanceof(eTYPE_PLAYER);
if (playerSneaking && yd < 0) yd = 0;
}
move(xd, yd, zd);
if (horizontalCollision && onLadder()) {
yd = 0.2;
}
if (!level->isClientSide ||
(level->hasChunkAt((int)x, 0, (int)z) &&
level->getChunkAt((int)x, (int)z)->loaded)) {
yd -= 0.08;
} else if (y > 0) {
yd = -0.1;
} else {
yd = 0;
}
yd *= 0.98f;
xd *= friction;
zd *= friction;
}
walkAnimSpeedO = walkAnimSpeed;
double xxd = x - xo;
double zzd = z - zo;
float wst = Mth::sqrt(xxd * xxd + zzd * zzd) * 4;
if (wst > 1) wst = 1;
walkAnimSpeed += (wst - walkAnimSpeed) * 0.4f;
walkAnimPos += walkAnimSpeed;
}
// 4J - added for more accurate lighting of mobs. Takes a weighted average of
// all tiles touched by the bounding volume of the entity - the method in the
// Entity class (which used to be used for mobs too) simply gets a single tile's
// lighting value causing sudden changes of lighting values when entities go in
// and out of lit areas, for example when bobbing in the water.
int LivingEntity::getLightColor(float a) {
float accum[2] = {0, 0};
float totVol = (bb->x1 - bb->x0) * (bb->y1 - bb->y0) * (bb->z1 - bb->z0);
int xmin = Mth::floor(bb->x0);
int xmax = Mth::floor(bb->x1);
int ymin = Mth::floor(bb->y0);
int ymax = Mth::floor(bb->y1);
int zmin = Mth::floor(bb->z0);
int zmax = Mth::floor(bb->z1);
for (int xt = xmin; xt <= xmax; xt++)
for (int yt = ymin; yt <= ymax; yt++)
for (int zt = zmin; zt <= zmax; zt++) {
float tilexmin = (float)xt;
float tilexmax = (float)(xt + 1);
float tileymin = (float)yt;
float tileymax = (float)(yt + 1);
float tilezmin = (float)zt;
float tilezmax = (float)(zt + 1);
if (tilexmin < bb->x0) tilexmin = bb->x0;
if (tilexmax > bb->x1) tilexmax = bb->x1;
if (tileymin < bb->y0) tileymin = bb->y0;
if (tileymax > bb->y1) tileymax = bb->y1;
if (tilezmin < bb->z0) tilezmin = bb->z0;
if (tilezmax > bb->z1) tilezmax = bb->z1;
float tileVol = (tilexmax - tilexmin) * (tileymax - tileymin) *
(tilezmax - tilezmin);
float frac = tileVol / totVol;
int lc = level->getLightColor(xt, yt, zt, 0);
accum[0] += frac * (float)(lc & 0xffff);
accum[1] += frac * (float)(lc >> 16);
}
if (accum[0] > 240.0f) accum[0] = 240.0f;
if (accum[1] > 240.0f) accum[1] = 240.0f;
return (((int)accum[1]) << 16) | ((int)accum[0]);
}
bool LivingEntity::useNewAi() { return false; }
float LivingEntity::getSpeed() {
if (useNewAi()) {
return speed;
} else {
return 0.1f;
}
}
void LivingEntity::setSpeed(float speed) { this->speed = speed; }
bool LivingEntity::doHurtTarget(std::shared_ptr<Entity> target) {
setLastHurtMob(target);
return false;
}
bool LivingEntity::isSleeping() { return false; }
void LivingEntity::tick() {
Entity::tick();
if (!level->isClientSide) {
int arrowCount = getArrowCount();
if (arrowCount > 0) {
if (removeArrowTime <= 0) {
removeArrowTime =
SharedConstants::TICKS_PER_SECOND * (30 - arrowCount);
}
removeArrowTime--;
if (removeArrowTime <= 0) {
setArrowCount(arrowCount - 1);
}
}
for (int i = 0; i < 5; i++) {
std::shared_ptr<ItemInstance> previous = lastEquipment[i];
std::shared_ptr<ItemInstance> current = getCarried(i);
if (!ItemInstance::matches(current, previous)) {
((ServerLevel*)level)
->getTracker()
->broadcast(
shared_from_this(),
std::shared_ptr<SetEquippedItemPacket>(
new SetEquippedItemPacket(entityId, i, current)));
if (previous != NULL) attributes->removeItemModifiers(previous);
if (current != NULL) attributes->addItemModifiers(current);
lastEquipment[i] = current == NULL ? nullptr : current->copy();
}
}
}
aiStep();
double xd = x - xo;
double zd = z - zo;
float sideDist = xd * xd + zd * zd;
float yBodyRotT = yBodyRot;
float walkSpeed = 0;
oRun = run;
float tRun = 0;
if (sideDist > 0.05f * 0.05f) {
tRun = 1;
walkSpeed = sqrt(sideDist) * 3;
yBodyRotT = ((float)atan2(zd, xd) * 180 / (float)PI - 90);
}
if (attackAnim > 0) {
yBodyRotT = yRot;
}
if (!onGround) {
tRun = 0;
}
run = run + (tRun - run) * 0.3f;
walkSpeed = tickHeadTurn(yBodyRotT, walkSpeed);
while (yRot - yRotO < -180) yRotO -= 360;
while (yRot - yRotO >= 180) yRotO += 360;
while (yBodyRot - yBodyRotO < -180) yBodyRotO -= 360;
while (yBodyRot - yBodyRotO >= 180) yBodyRotO += 360;
while (xRot - xRotO < -180) xRotO -= 360;
while (xRot - xRotO >= 180) xRotO += 360;
while (yHeadRot - yHeadRotO < -180) yHeadRotO -= 360;
while (yHeadRot - yHeadRotO >= 180) yHeadRotO += 360;
animStep += walkSpeed;
}
float LivingEntity::tickHeadTurn(float yBodyRotT, float walkSpeed) {
float yBodyRotD = Mth::wrapDegrees(yBodyRotT - yBodyRot);
yBodyRot += yBodyRotD * 0.3f;
float headDiff = Mth::wrapDegrees(yRot - yBodyRot);
bool behind = headDiff < -90 || headDiff >= 90;
if (headDiff < -75) headDiff = -75;
if (headDiff >= 75) headDiff = +75;
yBodyRot = yRot - headDiff;
if (headDiff * headDiff > 50 * 50) {
yBodyRot += headDiff * 0.2f;
}
if (behind) {
walkSpeed *= -1;
}
return walkSpeed;
}
void LivingEntity::aiStep() {
if (noJumpDelay > 0) noJumpDelay--;
if (lSteps > 0) {
double xt = x + (lx - x) / lSteps;
double yt = y + (ly - y) / lSteps;
double zt = z + (lz - z) / lSteps;
double yrd = Mth::wrapDegrees(lyr - yRot);
double xrd = Mth::wrapDegrees(lxr - xRot);
yRot += (float)((yrd) / lSteps);
xRot += (float)((xrd) / lSteps);
lSteps--;
setPos(xt, yt, zt);
setRot(yRot, xRot);
// 4J - this collision is carried out to try and stop the lerping push
// the mob through the floor, in which case gravity can then carry on
// moving the mob because the collision just won't work anymore. BB for
// collision used to be calculated as: bb->shrink(1 / 32.0, 0, 1 / 32.0)
// now using a reduced BB to try and get rid of some issues where mobs
// pop up the sides of walls, undersides of trees etc.
AABB* shrinkbb = bb->shrink(0.1, 0, 0.1);
shrinkbb->y1 = shrinkbb->y0 + 0.1;
AABBList* collisions = level->getCubes(shared_from_this(), shrinkbb);
if (collisions->size() > 0) {
double yTop = 0;
AUTO_VAR(itEnd, collisions->end());
for (AUTO_VAR(it, collisions->begin()); it != itEnd; it++) {
AABB* ab = *it; // collisions->at(i);
if (ab->y1 > yTop) yTop = ab->y1;
}
yt += yTop - bb->y0;
setPos(xt, yt, zt);
}
} else if (!isEffectiveAi()) {
// slow down predicted speed, to prevent mobs from sliding through
// walls etc
xd *= .98;
yd *= .98;
zd *= .98;
}
if (abs(xd) < MIN_MOVEMENT_DISTANCE) xd = 0;
if (abs(yd) < MIN_MOVEMENT_DISTANCE) yd = 0;
if (abs(zd) < MIN_MOVEMENT_DISTANCE) zd = 0;
if (isImmobile()) {
jumping = false;
xxa = 0;
yya = 0;
yRotA = 0;
} else {
MemSect(25);
if (isEffectiveAi()) {
if (useNewAi()) {
newServerAiStep();
} else {
serverAiStep();
yHeadRot = yRot;
}
}
MemSect(0);
}
if (jumping) {
if (isInWater() || isInLava()) {
yd += 0.04f;
} else if (onGround) {
if (noJumpDelay == 0) {
jumpFromGround();
noJumpDelay = 10;
}
}
} else {
noJumpDelay = 0;
}
xxa *= 0.98f;
yya *= 0.98f;
yRotA *= 0.9f;
travel(xxa, yya);
if (!level->isClientSide) {
pushEntities();
}
}
void LivingEntity::newServerAiStep() {}
void LivingEntity::pushEntities() {
std::vector<std::shared_ptr<Entity> >* entities =
level->getEntities(shared_from_this(), this->bb->grow(0.2f, 0, 0.2f));
if (entities != NULL && !entities->empty()) {
AUTO_VAR(itEnd, entities->end());
for (AUTO_VAR(it, entities->begin()); it != itEnd; it++) {
std::shared_ptr<Entity> e = *it; // entities->at(i);
if (e->isPushable()) e->push(shared_from_this());
}
}
}
void LivingEntity::doPush(std::shared_ptr<Entity> e) {
e->push(shared_from_this());
}
void LivingEntity::rideTick() {
Entity::rideTick();
oRun = run;
run = 0;
fallDistance = 0;
}
void LivingEntity::lerpTo(double x, double y, double z, float yRot, float xRot,
int steps) {
heightOffset = 0;
lx = x;
ly = y;
lz = z;
lyr = yRot;
lxr = xRot;
lSteps = steps;
}
void LivingEntity::serverAiMobStep() {}
void LivingEntity::serverAiStep() { noActionTime++; }
void LivingEntity::setJumping(bool jump) { jumping = jump; }
void LivingEntity::take(std::shared_ptr<Entity> e, int orgCount) {
if (!e->removed && !level->isClientSide) {
EntityTracker* entityTracker = ((ServerLevel*)level)->getTracker();
if (e->instanceof(eTYPE_ITEMENTITY)) {
entityTracker->broadcast(
e, std::shared_ptr<TakeItemEntityPacket>(
new TakeItemEntityPacket(e->entityId, entityId)));
} else if (e->instanceof(eTYPE_ARROW)) {
entityTracker->broadcast(
e, std::shared_ptr<TakeItemEntityPacket>(
new TakeItemEntityPacket(e->entityId, entityId)));
} else if (e->instanceof(eTYPE_EXPERIENCEORB)) {
entityTracker->broadcast(
e, std::shared_ptr<TakeItemEntityPacket>(
new TakeItemEntityPacket(e->entityId, entityId)));
}
}
}
bool LivingEntity::canSee(std::shared_ptr<Entity> target) {
HitResult* hres = level->clip(
Vec3::newTemp(x, y + getHeadHeight(), z),
Vec3::newTemp(target->x, target->y + target->getHeadHeight(),
target->z));
bool retVal = (hres == NULL);
delete hres;
return retVal;
}
Vec3* LivingEntity::getLookAngle() { return getViewVector(1); }
Vec3* LivingEntity::getViewVector(float a) {
if (a == 1) {
float yCos = Mth::cos(-yRot * Mth::RAD_TO_GRAD - PI);
float ySin = Mth::sin(-yRot * Mth::RAD_TO_GRAD - PI);
float xCos = -Mth::cos(-xRot * Mth::RAD_TO_GRAD);
float xSin = Mth::sin(-xRot * Mth::RAD_TO_GRAD);
return Vec3::newTemp(ySin * xCos, xSin, yCos * xCos);
}
float xRot = xRotO + (this->xRot - xRotO) * a;
float yRot = yRotO + (this->yRot - yRotO) * a;
float yCos = Mth::cos(-yRot * Mth::RAD_TO_GRAD - PI);
float ySin = Mth::sin(-yRot * Mth::RAD_TO_GRAD - PI);
float xCos = -Mth::cos(-xRot * Mth::RAD_TO_GRAD);
float xSin = Mth::sin(-xRot * Mth::RAD_TO_GRAD);
return Vec3::newTemp(ySin * xCos, xSin, yCos * xCos);
}
float LivingEntity::getAttackAnim(float a) {
float diff = attackAnim - oAttackAnim;
if (diff < 0) diff += 1;
return oAttackAnim + diff * a;
}
Vec3* LivingEntity::getPos(float a) {
if (a == 1) {
return Vec3::newTemp(x, y, z);
}
double x = xo + (this->x - xo) * a;
double y = yo + (this->y - yo) * a;
double z = zo + (this->z - zo) * a;
return Vec3::newTemp(x, y, z);
}
HitResult* LivingEntity::pick(double range, float a) {
Vec3* from = getPos(a);
Vec3* b = getViewVector(a);
Vec3* to = from->add(b->x * range, b->y * range, b->z * range);
return level->clip(from, to);
}
bool LivingEntity::isEffectiveAi() { return !level->isClientSide; }
bool LivingEntity::isPickable() { return !removed; }
bool LivingEntity::isPushable() { return !removed; }
float LivingEntity::getHeadHeight() { return bbHeight * 0.85f; }
void LivingEntity::markHurt() {
hurtMarked =
random->nextDouble() >=
getAttribute(SharedMonsterAttributes::KNOCKBACK_RESISTANCE)->getValue();
}
float LivingEntity::getYHeadRot() { return yHeadRot; }
void LivingEntity::setYHeadRot(float yHeadRot) { this->yHeadRot = yHeadRot; }
float LivingEntity::getAbsorptionAmount() { return absorptionAmount; }
void LivingEntity::setAbsorptionAmount(float absorptionAmount) {
if (absorptionAmount < 0) absorptionAmount = 0;
this->absorptionAmount = absorptionAmount;
}
Team* LivingEntity::getTeam() { return NULL; }
bool LivingEntity::isAlliedTo(std::shared_ptr<LivingEntity> other) {
return isAlliedTo(other->getTeam());
}
bool LivingEntity::isAlliedTo(Team* other) {
if (getTeam() != NULL) {
return getTeam()->isAlliedTo(other);
}
return false;
}