package com.gmail.nossr50.util.skills;
import java.util.EnumMap;
import java.util.HashMap;
import java.util.Map;
import org.bukkit.Material;
import org.bukkit.entity.AnimalTamer;
import org.bukkit.entity.Animals;
import org.bukkit.entity.Arrow;
import org.bukkit.entity.Entity;
import org.bukkit.entity.EntityType;
import org.bukkit.entity.IronGolem;
import org.bukkit.entity.LivingEntity;
import org.bukkit.entity.Player;
import org.bukkit.entity.Skeleton;
import org.bukkit.entity.Tameable;
import org.bukkit.entity.Wolf;
import org.bukkit.event.entity.EntityDamageByEntityEvent;
import org.bukkit.event.entity.EntityDamageEvent;
import org.bukkit.event.entity.EntityDamageEvent.DamageCause;
import org.bukkit.event.entity.EntityDamageEvent.DamageModifier;
import org.bukkit.inventory.ItemStack;
import org.bukkit.projectiles.ProjectileSource;
import com.gmail.nossr50.mcMMO;
import com.gmail.nossr50.config.experience.ExperienceConfig;
import com.gmail.nossr50.datatypes.player.McMMOPlayer;
import com.gmail.nossr50.datatypes.skills.SkillType;
import com.gmail.nossr50.datatypes.skills.XPGainReason;
import com.gmail.nossr50.events.fake.FakeEntityDamageByEntityEvent;
import com.gmail.nossr50.events.fake.FakeEntityDamageEvent;
import com.gmail.nossr50.locale.LocaleLoader;
import com.gmail.nossr50.party.PartyManager;
import com.gmail.nossr50.runnables.skills.AwardCombatXpTask;
import com.gmail.nossr50.runnables.skills.BleedTimerTask;
import com.gmail.nossr50.skills.acrobatics.AcrobaticsManager;
import com.gmail.nossr50.skills.archery.ArcheryManager;
import com.gmail.nossr50.skills.axes.AxesManager;
import com.gmail.nossr50.skills.swords.Swords;
import com.gmail.nossr50.skills.swords.SwordsManager;
import com.gmail.nossr50.skills.taming.TamingManager;
import com.gmail.nossr50.skills.unarmed.UnarmedManager;
import com.gmail.nossr50.util.EventUtils;
import com.gmail.nossr50.util.ItemUtils;
import com.gmail.nossr50.util.Misc;
import com.gmail.nossr50.util.MobHealthbarUtils;
import com.gmail.nossr50.util.Permissions;
import com.gmail.nossr50.util.player.UserManager;
import com.google.common.collect.ImmutableMap;
public final class CombatUtils {
private CombatUtils() {}
private static void processSwordCombat(LivingEntity target, Player player, EntityDamageByEntityEvent event) {
McMMOPlayer mcMMOPlayer = UserManager.getPlayer(player);
SwordsManager swordsManager = mcMMOPlayer.getSwordsManager();
double initialDamage = event.getDamage();
Map<DamageModifier, Double> modifiers = getModifiers(event);
if (swordsManager.canActivateAbility()) {
mcMMOPlayer.checkAbilityActivation(SkillType.SWORDS);
}
if (swordsManager.canUseBleed()) {
swordsManager.bleedCheck(target);
}
if (swordsManager.canUseSerratedStrike()) {
swordsManager.serratedStrikes(target, initialDamage, modifiers);
}
startGainXp(mcMMOPlayer, target, SkillType.SWORDS);
}
private static void processAxeCombat(LivingEntity target, Player player, EntityDamageByEntityEvent event) {
double initialDamage = event.getDamage();
double finalDamage = initialDamage;
Map<DamageModifier, Double> modifiers = getModifiers(event);
McMMOPlayer mcMMOPlayer = UserManager.getPlayer(player);
AxesManager axesManager = mcMMOPlayer.getAxesManager();
if (axesManager.canActivateAbility()) {
mcMMOPlayer.checkAbilityActivation(SkillType.AXES);
}
if (axesManager.canUseAxeMastery()) {
finalDamage += axesManager.axeMastery();
}
if (axesManager.canCriticalHit(target)) {
finalDamage += axesManager.criticalHit(target, initialDamage);
}
if (axesManager.canImpact(target)) {
axesManager.impactCheck(target);
}
else if (axesManager.canGreaterImpact(target)) {
finalDamage += axesManager.greaterImpact(target);
}
if (axesManager.canUseSkullSplitter(target)) {
axesManager.skullSplitterCheck(target, initialDamage, modifiers);
}
applyScaledModifiers(initialDamage, finalDamage, event);
startGainXp(mcMMOPlayer, target, SkillType.AXES);
}
private static void processUnarmedCombat(LivingEntity target, Player player, EntityDamageByEntityEvent event) {
double initialDamage = event.getDamage();
double finalDamage = initialDamage;
McMMOPlayer mcMMOPlayer = UserManager.getPlayer(player);
UnarmedManager unarmedManager = mcMMOPlayer.getUnarmedManager();
if (unarmedManager.canActivateAbility()) {
mcMMOPlayer.checkAbilityActivation(SkillType.UNARMED);
}
if (unarmedManager.canUseIronArm()) {
finalDamage += unarmedManager.ironArm();
}
if (unarmedManager.canUseBerserk()) {
finalDamage += unarmedManager.berserkDamage(initialDamage);
}
if (unarmedManager.canDisarm(target)) {
unarmedManager.disarmCheck((Player) target);
}
applyScaledModifiers(initialDamage, finalDamage, event);
startGainXp(mcMMOPlayer, target, SkillType.UNARMED);
}
private static void processTamingCombat(LivingEntity target, Player master, Wolf wolf, EntityDamageByEntityEvent event) {
double initialDamage = event.getDamage();
double finalDamage = initialDamage;
McMMOPlayer mcMMOPlayer = UserManager.getPlayer(master);
TamingManager tamingManager = mcMMOPlayer.getTamingManager();
if (tamingManager.canUseFastFoodService()) {
tamingManager.fastFoodService(wolf, event.getDamage());
}
if (tamingManager.canUseSharpenedClaws()) {
finalDamage += tamingManager.sharpenedClaws();
}
if (tamingManager.canUseGore()) {
finalDamage += tamingManager.gore(target, initialDamage);
}
applyScaledModifiers(initialDamage, finalDamage, event);
startGainXp(mcMMOPlayer, target, SkillType.TAMING);
}
private static void processArcheryCombat(LivingEntity target, Player player, EntityDamageByEntityEvent event, Arrow arrow) {
double initialDamage = event.getDamage();
double finalDamage = initialDamage;
McMMOPlayer mcMMOPlayer = UserManager.getPlayer(player);
ArcheryManager archeryManager = mcMMOPlayer.getArcheryManager();
if (target instanceof Player && SkillType.UNARMED.getPVPEnabled()) {
UnarmedManager unarmedManager = UserManager.getPlayer((Player) target).getUnarmedManager();
if (unarmedManager.canDeflect()) {
event.setCancelled(unarmedManager.deflectCheck());
if (event.isCancelled()) {
return;
}
}
}
if (archeryManager.canSkillShot()) {
finalDamage += archeryManager.skillShot(initialDamage);
}
if (archeryManager.canDaze(target)) {
finalDamage += archeryManager.daze((Player) target);
}
if (!arrow.hasMetadata(mcMMO.infiniteArrowKey) && archeryManager.canRetrieveArrows()) {
archeryManager.retrieveArrows(target);
}
archeryManager.distanceXpBonus(target, arrow);
applyScaledModifiers(initialDamage, finalDamage, event);
startGainXp(mcMMOPlayer, target, SkillType.ARCHERY, arrow.getMetadata(mcMMO.bowForceKey).get(0).asDouble());
}
/**
* Apply combat modifiers and process and XP gain.
*
* @param event The event to run the combat checks on.
*/
public static void processCombatAttack(EntityDamageByEntityEvent event, Entity attacker, LivingEntity target) {
Entity damager = event.getDamager();
EntityType entityType = damager.getType();
if (attacker instanceof Player && entityType == EntityType.PLAYER) {
Player player = (Player) attacker;
if (!UserManager.hasPlayerDataKey(player)) {
return;
}
ItemStack heldItem = player.getItemInHand();
if (target instanceof Tameable) {
if (heldItem.getType() == Material.BONE) {
TamingManager tamingManager = UserManager.getPlayer(player).getTamingManager();
if (tamingManager.canUseBeastLore()) {
tamingManager.beastLore(target);
event.setCancelled(true);
return;
}
}
if (isFriendlyPet(player, (Tameable) target)) {
return;
}
}
if (ItemUtils.isSword(heldItem)) {
if (!SkillType.SWORDS.shouldProcess(target)) {
return;
}
if (SkillType.SWORDS.getPermissions(player)) {
processSwordCombat(target, player, event);
}
}
else if (ItemUtils.isAxe(heldItem)) {
if (!SkillType.AXES.shouldProcess(target)) {
return;
}
if (SkillType.AXES.getPermissions(player)) {
processAxeCombat(target, player, event);
}
}
else if (heldItem.getType() == Material.AIR) {
if (!SkillType.UNARMED.shouldProcess(target)) {
return;
}
if (SkillType.UNARMED.getPermissions(player)) {
processUnarmedCombat(target, player, event);
}
}
}
else if (entityType == EntityType.WOLF) {
Wolf wolf = (Wolf) damager;
AnimalTamer tamer = wolf.getOwner();
if (tamer != null && tamer instanceof Player && SkillType.TAMING.shouldProcess(target)) {
Player master = (Player) tamer;
if (!Misc.isNPCEntity(master) && SkillType.TAMING.getPermissions(master)) {
processTamingCombat(target, master, wolf, event);
}
}
}
else if (entityType == EntityType.ARROW) {
Arrow arrow = (Arrow) damager;
ProjectileSource projectileSource = arrow.getShooter();
if (projectileSource != null && projectileSource instanceof Player && SkillType.ARCHERY.shouldProcess(target)) {
Player player = (Player) projectileSource;
if (!Misc.isNPCEntity(player) && SkillType.ARCHERY.getPermissions(player)) {
processArcheryCombat(target, player, event, arrow);
}
}
}
if (target instanceof Player) {
if (Misc.isNPCEntity(target)) {
return;
}
Player player = (Player) target;
if (!UserManager.hasPlayerDataKey(player)) {
return;
}
McMMOPlayer mcMMOPlayer = UserManager.getPlayer(player);
AcrobaticsManager acrobaticsManager = mcMMOPlayer.getAcrobaticsManager();
if (acrobaticsManager.canDodge(target)) {
event.setDamage(acrobaticsManager.dodgeCheck(event.getDamage()));
}
if (ItemUtils.isSword(player.getItemInHand())) {
if (!SkillType.SWORDS.shouldProcess(target)) {
return;
}
SwordsManager swordsManager = mcMMOPlayer.getSwordsManager();
if (swordsManager.canUseCounterAttack(damager)) {
swordsManager.counterAttackChecks((LivingEntity) damager, event.getDamage());
}
}
}
}
/**
* Attempt to damage target for value dmg with reason CUSTOM
*
* @param target LivingEntity which to attempt to damage
* @param damage Amount of damage to attempt to do
*/
@Deprecated
public static void dealDamage(LivingEntity target, double damage) {
dealDamage(target, damage, DamageCause.CUSTOM, null);
}
/**
* Attempt to damage target for value dmg with reason ENTITY_ATTACK with damager attacker
*
* @param target LivingEntity which to attempt to damage
* @param damage Amount of damage to attempt to do
* @param attacker Player to pass to event as damager
*/
@Deprecated
public static void dealDamage(LivingEntity target, double damage, LivingEntity attacker) {
dealDamage(target, damage, DamageCause.ENTITY_ATTACK, attacker);
}
/**
* Attempt to damage target for value dmg with reason ENTITY_ATTACK with damager attacker
*
* @param target LivingEntity which to attempt to damage
* @param damage Amount of damage to attempt to do
* @param attacker Player to pass to event as damager
*/
public static void dealDamage(LivingEntity target, double damage, Map<DamageModifier, Double> modifiers, LivingEntity attacker) {
if (target.isDead()) {
return;
}
// Aren't we applying the damage twice????
target.damage(callFakeDamageEvent(attacker, target, damage, modifiers));
}
/**
* Attempt to damage target for value dmg with reason ENTITY_ATTACK with damager attacker
*
* @param target LivingEntity which to attempt to damage
* @param damage Amount of damage to attempt to do
* @param attacker Player to pass to event as damager
*/
@Deprecated
public static void dealDamage(LivingEntity target, double damage, DamageCause cause, Entity attacker) {
if (target.isDead()) {
return;
}
target.damage(callFakeDamageEvent(attacker, target, cause, damage));
}
/**
* Apply Area-of-Effect ability actions.
*
* @param attacker The attacking player
* @param target The defending entity
* @param damage The initial damage amount
* @param type The type of skill being used
*/
public static void applyAbilityAoE(Player attacker, LivingEntity target, double damage, Map<DamageModifier, Double> modifiers, SkillType type) {
int numberOfTargets = getTier(attacker.getItemInHand()); // The higher the weapon tier, the more targets you hit
double damageAmount = Math.max(damage, 1);
for (Entity entity : target.getNearbyEntities(2.5, 2.5, 2.5)) {
if (numberOfTargets <= 0) {
break;
}
if (Misc.isNPCEntity(entity) || !(entity instanceof LivingEntity) || !shouldBeAffected(attacker, entity)) {
continue;
}
LivingEntity livingEntity = (LivingEntity) entity;
EventUtils.callFakeArmSwingEvent(attacker);
switch (type) {
case SWORDS:
if (entity instanceof Player) {
((Player) entity).sendMessage(LocaleLoader.getString("Swords.Combat.SS.Struck"));
}
BleedTimerTask.add(livingEntity, Swords.serratedStrikesBleedTicks);
break;
case AXES:
if (entity instanceof Player) {
((Player) entity).sendMessage(LocaleLoader.getString("Axes.Combat.SS.Struck"));
}
break;
default:
break;
}
dealDamage(livingEntity, damageAmount, attacker);
numberOfTargets--;
}
}
public static void startGainXp(McMMOPlayer mcMMOPlayer, LivingEntity target, SkillType skillType) {
startGainXp(mcMMOPlayer, target, skillType, 1.0);
}
/**
* Start the task that gives combat XP.
*
* @param mcMMOPlayer The attacking player
* @param target The defending entity
* @param skillType The skill being used
*/
private static void startGainXp(McMMOPlayer mcMMOPlayer, LivingEntity target, SkillType skillType, double multiplier) {
double baseXP = 0;
XPGainReason xpGainReason;
if (target instanceof Player) {
if (!ExperienceConfig.getInstance().getExperienceGainsPlayerVersusPlayerEnabled()) {
return;
}
xpGainReason = XPGainReason.PVP;
Player defender = (Player) target;
if (defender.isOnline() && SkillUtils.cooldownExpired(mcMMOPlayer.getRespawnATS(), Misc.PLAYER_RESPAWN_COOLDOWN_SECONDS)) {
baseXP = 20 * ExperienceConfig.getInstance().getPlayerVersusPlayerXP();
}
}
else {
if (mcMMO.getModManager().isCustomEntity(target)) {
baseXP = mcMMO.getModManager().getEntity(target).getXpMultiplier();
}
else if (target instanceof Animals) {
baseXP = ExperienceConfig.getInstance().getAnimalsXP();
}
else {
EntityType type = target.getType();
switch (type) {
case BAT:
case SQUID:
baseXP = ExperienceConfig.getInstance().getAnimalsXP();
break;
case BLAZE:
case CAVE_SPIDER:
case CREEPER:
case ENDER_DRAGON:
case ENDERMAN:
case GHAST:
case GIANT:
case MAGMA_CUBE:
case PIG_ZOMBIE:
case SILVERFISH:
case SLIME:
case SPIDER:
case WITCH:
case WITHER:
case ZOMBIE:
baseXP = ExperienceConfig.getInstance().getCombatXP(type);
break;
case SKELETON:
switch (((Skeleton) target).getSkeletonType()) {
case WITHER:
baseXP = ExperienceConfig.getInstance().getWitherSkeletonXP();
break;
default:
baseXP = ExperienceConfig.getInstance().getCombatXP(type);
break;
}
break;
case IRON_GOLEM:
if (!((IronGolem) target).isPlayerCreated()) {
baseXP = ExperienceConfig.getInstance().getCombatXP(type);
}
break;
default:
baseXP = 1.0;
mcMMO.getModManager().addCustomEntity(target);
break;
}
}
if (target.hasMetadata(mcMMO.entityMetadataKey)) {
baseXP *= ExperienceConfig.getInstance().getSpawnedMobXpMultiplier();
}
xpGainReason = XPGainReason.PVE;
baseXP *= 10;
}
baseXP *= multiplier;
if (baseXP != 0) {
new AwardCombatXpTask(mcMMOPlayer, skillType, baseXP, target, xpGainReason).runTaskLater(mcMMO.p, 0);
}
}
/**
* Check to see if the given LivingEntity should be affected by a combat ability.
*
* @param player The attacking Player
* @param entity The defending Entity
* @return true if the Entity should be damaged, false otherwise.
*/
private static boolean shouldBeAffected(Player player, Entity entity) {
if (entity instanceof Player) {
Player defender = (Player) entity;
if (!defender.getWorld().getPVP() || defender == player || UserManager.getPlayer(defender).getGodMode()) {
return false;
}
if ((PartyManager.inSameParty(player, defender) || PartyManager.areAllies(player, defender)) && !(Permissions.friendlyFire(player) && Permissions.friendlyFire(defender))) {
return false;
}
// Vanished players should not be able to get hit by AoE effects
if (!player.canSee(defender)) {
return false;
}
// It may seem a bit redundant but we need a check here to prevent bleed from being applied in applyAbilityAoE()
if (callFakeDamageEvent(player, entity, 1.0) == 0) {
return false;
}
}
else if (entity instanceof Tameable) {
if (isFriendlyPet(player, (Tameable) entity)) {
// isFriendlyPet ensures that the Tameable is: Tamed, owned by a player, and the owner is in the same party
// So we can make some assumptions here, about our casting and our check
Player owner = (Player) ((Tameable) entity).getOwner();
if (!(Permissions.friendlyFire(player) && Permissions.friendlyFire(owner))) {
return false;
}
}
}
return true;
}
/**
* Checks to see if an entity is currently invincible.
*
* @param entity The {@link LivingEntity} to check
* @param eventDamage The damage from the event the entity is involved in
* @return true if the entity is invincible, false otherwise
*/
public static boolean isInvincible(LivingEntity entity, double eventDamage) {
/*
* So apparently if you do more damage to a LivingEntity than its last damage int you bypass the invincibility.
* So yeah, this is for that.
*/
return (entity.getNoDamageTicks() > entity.getMaximumNoDamageTicks() / 2.0F) && (eventDamage <= entity.getLastDamage());
}
/**
* Checks to see if an entity is currently friendly toward a given player.
*
* @param attacker The player to check.
* @param pet The entity to check.
* @return true if the entity is friendly, false otherwise
*/
public static boolean isFriendlyPet(Player attacker, Tameable pet) {
if (pet.isTamed()) {
AnimalTamer tamer = pet.getOwner();
if (tamer instanceof Player) {
Player owner = (Player) tamer;
return (owner == attacker || PartyManager.inSameParty(attacker, owner) || PartyManager.areAllies(attacker, owner));
}
}
return false;
}
@Deprecated
public static double callFakeDamageEvent(Entity attacker, Entity target, double damage) {
return callFakeDamageEvent(attacker, target, DamageCause.ENTITY_ATTACK, new EnumMap<DamageModifier, Double>(ImmutableMap.of(DamageModifier.BASE, damage)));
}
@Deprecated
public static double callFakeDamageEvent(Entity attacker, Entity target, DamageCause damageCause, double damage) {
EntityDamageEvent damageEvent = attacker == null ? new FakeEntityDamageEvent(target, damageCause, damage) : new FakeEntityDamageByEntityEvent(attacker, target, damageCause, damage);
mcMMO.p.getServer().getPluginManager().callEvent(damageEvent);
if (damageEvent.isCancelled()) {
return 0;
}
return damageEvent.getFinalDamage();
}
public static double callFakeDamageEvent(Entity attacker, Entity target, Map<DamageModifier, Double> modifiers) {
return callFakeDamageEvent(attacker, target, DamageCause.ENTITY_ATTACK, modifiers);
}
public static double callFakeDamageEvent(Entity attacker, Entity target, double damage, Map<DamageModifier, Double> modifiers) {
return callFakeDamageEvent(attacker, target, DamageCause.ENTITY_ATTACK, getScaledModifiers(damage, modifiers));
}
public static double callFakeDamageEvent(Entity attacker, Entity target, DamageCause cause, Map<DamageModifier, Double> modifiers) {
EntityDamageEvent damageEvent = attacker == null ? new FakeEntityDamageEvent(target, cause, modifiers) : new FakeEntityDamageByEntityEvent(attacker, target, cause, modifiers);
mcMMO.p.getServer().getPluginManager().callEvent(damageEvent);
if (damageEvent.isCancelled()) {
return 0;
}
return damageEvent.getFinalDamage();
}
private static Map<DamageModifier, Double> getModifiers(EntityDamageEvent event) {
Map<DamageModifier, Double> modifiers = new HashMap<DamageModifier, Double>();
for (DamageModifier modifier : DamageModifier.values()) {
modifiers.put(modifier, event.getDamage(modifier));
}
return modifiers;
}
private static Map<DamageModifier, Double> getScaledModifiers(double damage, Map<DamageModifier, Double> modifiers) {
Map<DamageModifier, Double> scaledModifiers = new HashMap<DamageModifier, Double>();
for (DamageModifier modifier : modifiers.keySet()) {
if (modifier == DamageModifier.BASE) {
scaledModifiers.put(modifier, damage);
continue;
}
scaledModifiers.put(modifier, damage * modifiers.get(modifier));
}
return scaledModifiers;
}
public static EntityDamageByEntityEvent applyScaledModifiers(double initialDamage, double finalDamage, EntityDamageByEntityEvent event) {
// No additional damage
if (initialDamage == finalDamage) {
return event;
}
for (DamageModifier modifier : DamageModifier.values()) {
if (!event.isApplicable(modifier)) {
continue;
}
if (modifier == DamageModifier.BASE) {
event.setDamage(modifier, finalDamage);
continue;
}
event.setDamage(modifier, finalDamage / initialDamage * event.getDamage(modifier));
}
return event;
}
/**
* Get the upgrade tier of the item in hand.
*
* @param inHand The item to check the tier of
* @return the tier of the item
*/
private static int getTier(ItemStack inHand) {
int tier = 0;
if (ItemUtils.isWoodTool(inHand)) {
tier = 1;
}
else if (ItemUtils.isStoneTool(inHand)) {
tier = 2;
}
else if (ItemUtils.isIronTool(inHand)) {
tier = 3;
}
else if (ItemUtils.isGoldTool(inHand)) {
tier = 1;
}
else if (ItemUtils.isDiamondTool(inHand)) {
tier = 4;
}
else if (mcMMO.getModManager().isCustomTool(inHand)) {
tier = mcMMO.getModManager().getTool(inHand).getTier();
}
return tier;
}
public static void handleHealthbars(Entity attacker, LivingEntity target, double damage) {
if (!(attacker instanceof Player)) {
return;
}
Player player = (Player) attacker;
if (Misc.isNPCEntity(player) || Misc.isNPCEntity(target)) {
return;
}
if (!player.hasMetadata(mcMMO.playerDataKey)) {
return;
}
MobHealthbarUtils.handleMobHealthbars(player, target, damage);
}
}