@SubscribeEvent
public void onAttackEntity(AttackEntityEvent event) {
if (event.entityLiving.worldObj.isRemote) return;
EntityLivingBase attacker = event.entityLiving;
EntityPlayer player = event.entityPlayer;
Entity target = event.target;
ItemStack stack = attacker.getEquipmentInSlot(0);
if (stack != null && stack.getItem().onLeftClickEntity(stack, player, target)) return;
if (target.canAttackWithItem()) {
if (!target.hitByEntity(target)) {
float damageAmount = TFC_MobData.STEVE_DAMAGE;
if (stack != null) {
damageAmount =
(float)
player
.getEntityAttribute(SharedMonsterAttributes.attackDamage)
.getAttributeValue();
// player.addChatMessage("Damage: " + i);
if (damageAmount == 1.0f) {
damageAmount = TFC_MobData.STEVE_DAMAGE;
// i = player.inventory.getCurrentItem().getItem().getDamageVsEntity(target,
// player.inventory.getCurrentItem());
}
}
if (player.isPotionActive(Potion.damageBoost))
damageAmount += 3 << player.getActivePotionEffect(Potion.damageBoost).getAmplifier();
if (player.isPotionActive(Potion.weakness))
damageAmount -= 2 << player.getActivePotionEffect(Potion.weakness).getAmplifier();
int knockback = 0;
float enchantmentDamage = 0;
if (target instanceof EntityLiving) {
enchantmentDamage =
EnchantmentHelper.getEnchantmentModifierLiving(player, (EntityLiving) target);
knockback += EnchantmentHelper.getKnockbackModifier(player, (EntityLiving) target);
}
if (player.isSprinting()) ++knockback;
if (damageAmount > 0 || enchantmentDamage > 0) {
boolean criticalHit =
player.fallDistance > 0.0F
&& !player.onGround
&& !player.isOnLadder()
&& !player.isInWater()
&& !player.isPotionActive(Potion.blindness)
&& player.ridingEntity == null
&& target instanceof EntityLiving;
if (criticalHit && damageAmount > 0)
damageAmount += event.entity.worldObj.rand.nextInt((int) (damageAmount / 2 + 2));
damageAmount += enchantmentDamage;
boolean onFire = false;
int fireAspect = EnchantmentHelper.getFireAspectModifier(player);
if (target instanceof EntityLiving && fireAspect > 0 && !target.isBurning()) {
onFire = true;
target.setFire(1);
}
boolean entityAttacked =
target.attackEntityFrom(DamageSource.causePlayerDamage(player), damageAmount);
if (entityAttacked) {
if (knockback > 0) {
target.addVelocity(
-MathHelper.sin(player.rotationYaw * (float) Math.PI / 180.0F) * knockback * 0.5F,
0.1D,
MathHelper.cos(player.rotationYaw * (float) Math.PI / 180.0F) * knockback * 0.5F);
player.motionX *= 0.6D;
player.motionZ *= 0.6D;
player.setSprinting(false);
}
if (criticalHit) player.onCriticalHit(target);
if (enchantmentDamage > 0) player.onEnchantmentCritical(target);
if (damageAmount >= 18) player.triggerAchievement(AchievementList.overkill);
player.setLastAttacker(target);
if (target instanceof EntityLiving)
target.attackEntityFrom(DamageSource.causeThornsDamage(attacker), damageAmount);
}
ItemStack itemstack = player.getCurrentEquippedItem();
Object object = target;
if (target instanceof EntityDragonPart) {
IEntityMultiPart ientitymultipart = ((EntityDragonPart) target).entityDragonObj;
if (ientitymultipart instanceof EntityLiving) object = ientitymultipart;
}
if (itemstack != null && object instanceof EntityLiving) {
itemstack.hitEntity((EntityLiving) object, player);
if (itemstack.stackSize <= 0) player.destroyCurrentEquippedItem();
}
if (target instanceof EntityLivingBase) {
player.addStat(StatList.damageDealtStat, Math.round(damageAmount * 10.0f));
if (fireAspect > 0 && entityAttacked) target.setFire(fireAspect * 4);
else if (onFire) target.extinguish();
}
player.addExhaustion(0.3F);
}
}
}
event.setCanceled(true);
}
/**
* @author gabizou - April 8th, 2016
* @reason Rewrites the attackTargetEntityWithCurrentItem to throw an {@link AttackEntityEvent}
* prior to the ensuing {@link DamageEntityEvent}. This should cover all cases where players
* are attacking entities and those entities override {@link
* EntityLivingBase#attackEntityFrom(DamageSource, float)} and effectively bypass our damage
* event hooks.
* @param targetEntity The target entity
*/
@Overwrite
public void attackTargetEntityWithCurrentItem(net.minecraft.entity.Entity targetEntity) {
// Sponge Start - Add SpongeImpl hook to override in forge as necessary
if (!SpongeImplHooks.checkAttackEntity((EntityPlayer) (Object) this, targetEntity)) {
return;
}
// Sponge End
if (targetEntity.canAttackWithItem()) {
if (!targetEntity.hitByEntity((EntityPlayer) (Object) this)) {
// Sponge Start - Prepare our event values
// float baseDamage =
// this.getEntityAttribute(SharedMonsterAttributes.attackDamage).getAttributeValue();
final double originalBaseDamage =
this.getEntityAttribute(SharedMonsterAttributes.attackDamage).getAttributeValue();
float baseDamage = (float) originalBaseDamage;
// Sponge End
int knockbackModifier = 0;
float enchantmentModifierAmount = 0.0F;
// Sponge Start - gather the attack modifiers
final List<Tuple<DamageModifier, Function<? super Double, Double>>> originalFunctions =
new ArrayList<>();
final EnumCreatureAttribute creatureAttribute =
targetEntity instanceof EntityLivingBase
? ((EntityLivingBase) targetEntity).getCreatureAttribute()
: EnumCreatureAttribute.UNDEFINED;
final List<Tuple<DamageModifier, Function<? super Double, Double>>>
enchantmentModifierFunctions =
DamageEventHandler.createAttackEnchamntmentFunction(
this.getHeldItem(), creatureAttribute);
// if (targetEntity instanceof EntityLivingBase) {
// enchantmentModifierAmount =
// EnchantmentHelper.getModifierForCreature(this.getHeldItem(), creatureAttribute);
// } else {
// enchantmentModifierAmount =
// EnchantmentHelper.getModifierForCreature(this.getHeldItem(),
// EnumCreatureAttribute.UNDEFINED);
// }
enchantmentModifierAmount =
(float)
enchantmentModifierFunctions
.stream()
.map(Tuple::getSecond)
.mapToDouble(function -> function.apply(originalBaseDamage))
.sum();
originalFunctions.addAll(enchantmentModifierFunctions);
// Sponge End
knockbackModifier =
knockbackModifier
+ EnchantmentHelper.getKnockbackModifier((EntityPlayer) (Object) this);
if (this.isSprinting()) {
++knockbackModifier;
}
if (baseDamage > 0.0F || enchantmentModifierAmount > 0.0F) {
boolean fallingCriticalHit =
this.fallDistance > 0.0F
&& !this.onGround
&& !this.isOnLadder()
&& !this.isInWater()
&& !this.isPotionActive(Potion.blindness)
&& this.ridingEntity == null
&& targetEntity instanceof EntityLivingBase;
if (fallingCriticalHit && baseDamage > 0.0F) {
// Sponge - Add the function for critical attacking
originalFunctions.add(
DamageEventHandler.provideCriticalAttackTuple((EntityPlayer) (Object) this));
// baseDamage *= 1.5F; Sponge - remove since it's handled in the event
}
// baseDamage = baseDamage + enchantmentModifierAmount; // Sponge - remove since it is
// delegated through the event.
boolean targetLitOnFire = false;
int fireAspectLevel =
EnchantmentHelper.getFireAspectModifier((EntityPlayer) (Object) this);
if (targetEntity instanceof EntityLivingBase
&& fireAspectLevel > 0
&& !targetEntity.isBurning()) {
targetLitOnFire = true;
targetEntity.setFire(1);
}
double targetMotionX = targetEntity.motionX;
double targetMotionY = targetEntity.motionY;
double targetMotionZ = targetEntity.motionZ;
// Sponge Start - Create the event and throw it
final DamageSource damageSource =
DamageSource.causePlayerDamage((EntityPlayer) (Object) this);
final AttackEntityEvent event =
SpongeEventFactory.createAttackEntityEvent(
Cause.source(damageSource).build(),
originalFunctions,
EntityUtil.fromNative(targetEntity),
knockbackModifier,
originalBaseDamage);
SpongeImpl.postEvent(event);
if (event.isCancelled()) {
if (targetLitOnFire) {
targetEntity.extinguish();
}
return;
}
baseDamage = (float) event.getFinalOutputDamage();
knockbackModifier = event.getKnockbackModifier();
boolean attackSucceded =
targetEntity.attackEntityFrom(damageSource, (float) event.getFinalOutputDamage());
// Sponge End
if (attackSucceded) {
if (knockbackModifier > 0) {
targetEntity.addVelocity(
(double)
(-MathHelper.sin(this.rotationYaw * (float) Math.PI / 180.0F)
* (float) knockbackModifier
* 0.5F),
0.1D,
(double)
(MathHelper.cos(this.rotationYaw * (float) Math.PI / 180.0F)
* (float) knockbackModifier
* 0.5F));
this.motionX *= 0.6D;
this.motionZ *= 0.6D;
this.setSprinting(false);
}
if (targetEntity instanceof EntityPlayerMP && targetEntity.velocityChanged) {
((EntityPlayerMP) targetEntity)
.playerNetServerHandler.sendPacket(new S12PacketEntityVelocity(targetEntity));
targetEntity.velocityChanged = false;
targetEntity.motionX = targetMotionX;
targetEntity.motionY = targetMotionY;
targetEntity.motionZ = targetMotionZ;
}
if (fallingCriticalHit) {
this.onCriticalHit(targetEntity);
}
if (enchantmentModifierAmount > 0.0F) {
this.onEnchantmentCritical(targetEntity);
}
if (baseDamage >= 18.0F) {
this.triggerAchievement(AchievementList.overkill);
}
this.setLastAttacker(targetEntity);
if (targetEntity instanceof EntityLivingBase) {
EnchantmentHelper.applyThornEnchantments(
(EntityLivingBase) targetEntity, (EntityPlayer) (Object) this);
}
EnchantmentHelper.applyArthropodEnchantments(
(EntityPlayer) (Object) this, targetEntity);
ItemStack itemstack = this.getCurrentEquippedItem();
net.minecraft.entity.Entity entity = targetEntity;
if (targetEntity instanceof EntityDragonPart) {
IEntityMultiPart ientitymultipart = ((EntityDragonPart) targetEntity).entityDragonObj;
if (ientitymultipart instanceof EntityLivingBase) {
entity = (EntityLivingBase) ientitymultipart;
}
}
if (itemstack != null && entity instanceof EntityLivingBase) {
itemstack.hitEntity((EntityLivingBase) entity, (EntityPlayer) (Object) this);
if (itemstack.stackSize <= 0) {
this.destroyCurrentEquippedItem();
}
}
if (targetEntity instanceof EntityLivingBase) {
this.addStat(StatList.damageDealtStat, Math.round(baseDamage * 10.0F));
if (fireAspectLevel > 0) {
targetEntity.setFire(fireAspectLevel * 4);
}
}
this.addExhaustion(0.3F);
} else if (targetLitOnFire) {
targetEntity.extinguish();
}
}
}
}
}
@Override
public boolean onLeftClickEntity(ItemStack stack, EntityPlayer player, Entity entity) {
if (entity.canAttackWithItem()) {
if (!entity.hitByEntity(player)) {
float damage = (float) getAttackDamage(stack);
int i = 0;
float extraDamage = 0.0F;
if (entity instanceof EntityLivingBase) {
extraDamage =
EnchantmentHelper.getEnchantmentModifierLiving(player, (EntityLivingBase) entity);
i += EnchantmentHelper.getKnockbackModifier(player, (EntityLivingBase) entity);
}
if (player.isSprinting()) {
i++;
}
if (damage > 0.0F || extraDamage > 0.0F) {
boolean criricalHit =
player.fallDistance > 0.0F
&& !player.onGround
&& !player.isOnLadder()
&& !player.isInWater()
&& !player.isPotionActive(Potion.blindness)
&& player.ridingEntity == null
&& entity instanceof EntityLivingBase;
if (criricalHit && damage > 0.0F) {
damage *= 1.5F;
}
damage += extraDamage;
boolean fire = false;
int j = EnchantmentHelper.getFireAspectModifier(player);
if (entity instanceof EntityLivingBase && j > 0 && !entity.isBurning()) {
fire = true;
entity.setFire(1);
}
boolean attack = entity.attackEntityFrom(DamageSource.causePlayerDamage(player), damage);
if (attack) {
if (i > 0) {
entity.addVelocity(
(double)
(-MathHelper.sin(player.rotationYaw * (float) Math.PI / 180.0F)
* (float) i
* 0.5F),
0.1D,
(double)
(MathHelper.cos(player.rotationYaw * (float) Math.PI / 180.0F)
* (float) i
* 0.5F));
player.motionX *= 0.6D;
player.motionZ *= 0.6D;
player.setSprinting(false);
}
if (criricalHit) {
player.onCriticalHit(entity);
}
if (extraDamage > 0.0F) {
player.onEnchantmentCritical(entity);
}
if (damage >= 18.0F) {
player.triggerAchievement(AchievementList.overkill);
}
player.setLastAttacker(entity);
if (entity instanceof EntityLivingBase) {
EnchantmentHelper.func_151384_a((EntityLivingBase) entity, player);
}
}
ItemStack itemstack = player.getCurrentEquippedItem();
Object object = entity;
if (entity instanceof EntityDragonPart) {
IEntityMultiPart entityMultipart = ((EntityDragonPart) entity).entityDragonObj;
if (entityMultipart != null && entityMultipart instanceof EntityLivingBase) {
object = (EntityLivingBase) entityMultipart;
}
}
if (itemstack != null && object instanceof EntityLivingBase) {
itemstack.hitEntity((EntityLivingBase) object, player);
if (itemstack.stackSize <= 0) {
player.destroyCurrentEquippedItem();
}
}
if (entity instanceof EntityLivingBase) {
player.addStat(StatList.damageDealtStat, Math.round(damage * 10.0F));
if (j > 0 && attack) {
entity.setFire(j * 4);
} else if (fire) {
entity.extinguish();
}
}
player.addExhaustion(0.3F);
}
}
}
return true;
}
