mcMMO/src/main/java/com/gmail/nossr50/util/skills/CombatUtils.java

689 lines
25 KiB
Java

package com.gmail.nossr50.util.skills;
import org.bukkit.ChatColor;
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.player.PlayerAnimationEvent;
import org.bukkit.inventory.ItemStack;
import org.bukkit.metadata.FixedMetadataValue;
import com.gmail.nossr50.mcMMO;
import com.gmail.nossr50.config.Config;
import com.gmail.nossr50.datatypes.MobHealthbarType;
import com.gmail.nossr50.datatypes.player.McMMOPlayer;
import com.gmail.nossr50.datatypes.player.PlayerProfile;
import com.gmail.nossr50.datatypes.skills.SkillType;
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.MobHealthDisplayUpdaterTask;
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.Taming;
import com.gmail.nossr50.skills.taming.TamingManager;
import com.gmail.nossr50.skills.unarmed.UnarmedManager;
import com.gmail.nossr50.util.ItemUtils;
import com.gmail.nossr50.util.Misc;
import com.gmail.nossr50.util.ModUtils;
import com.gmail.nossr50.util.Permissions;
import com.gmail.nossr50.util.player.UserManager;
public final class CombatUtils {
private CombatUtils() {}
/**
* Apply combat modifiers and process and XP gain.
*
* @param event The event to run the combat checks on.
*/
public static void combatChecks(EntityDamageByEntityEvent event, Entity attacker, LivingEntity target) {
Entity damager = event.getDamager();
if (attacker instanceof Player && damager.getType() == EntityType.PLAYER) {
Player player = (Player) attacker;
if (Misc.isNPCEntity(player)) {
return;
}
McMMOPlayer mcMMOPlayer = UserManager.getPlayer(player);
ItemStack heldItem = player.getItemInHand();
if (target instanceof Tameable) {
if (heldItem.getType() == Material.BONE) {
TamingManager tamingManager = mcMMOPlayer.getTamingManager();
if (tamingManager.canUseBeastLore()) {
tamingManager.beastLore(target);
event.setCancelled(true);
return;
}
}
if (isFriendlyPet(player, (Tameable) target)) {
return;
}
}
if (ItemUtils.isSword(heldItem)) {
if (!shouldProcessSkill(target, SkillType.SWORDS)) {
return;
}
if (Permissions.skillEnabled(player, SkillType.SWORDS)) {
SwordsManager swordsManager = mcMMOPlayer.getSwordsManager();
if (swordsManager.canActivateAbility()) {
SkillUtils.abilityCheck(mcMMOPlayer, SkillType.SWORDS);
}
if (swordsManager.canUseBleed()) {
swordsManager.bleedCheck(target);
}
if (swordsManager.canUseSerratedStrike()) {
swordsManager.serratedStrikes(target, event.getDamage());
}
startGainXp(mcMMOPlayer, target, SkillType.SWORDS);
}
}
else if (ItemUtils.isAxe(heldItem)) {
if (!shouldProcessSkill(target, SkillType.AXES)) {
return;
}
if (Permissions.skillEnabled(player, SkillType.AXES)) {
AxesManager axesManager = mcMMOPlayer.getAxesManager();
if (axesManager.canActivateAbility()) {
SkillUtils.abilityCheck(mcMMOPlayer, SkillType.AXES);
}
if (axesManager.canUseAxeMastery()) {
event.setDamage(axesManager.axeMasteryCheck(event.getDamage()));
}
if (axesManager.canCriticalHit(target)) {
event.setDamage(axesManager.criticalHitCheck(target, event.getDamage()));
}
if (axesManager.canImpact(target)) {
axesManager.impactCheck(target);
}
else if (axesManager.canGreaterImpact(target)) {
event.setDamage(axesManager.greaterImpactCheck(target, event.getDamage()));
}
if (axesManager.canUseSkullSplitter(target)) {
axesManager.skullSplitterCheck(target, event.getDamage());
}
startGainXp(mcMMOPlayer, target, SkillType.AXES);
}
}
else if (heldItem.getType() == Material.AIR) {
if (!shouldProcessSkill(target, SkillType.UNARMED)) {
return;
}
if (Permissions.skillEnabled(player, SkillType.UNARMED)) {
UnarmedManager unarmedManager = mcMMOPlayer.getUnarmedManager();
if (unarmedManager.canActivateAbility()) {
SkillUtils.abilityCheck(mcMMOPlayer, SkillType.UNARMED);
}
if (unarmedManager.canUseIronArm()) {
event.setDamage(unarmedManager.ironArmCheck(event.getDamage()));
}
if (unarmedManager.canUseBerserk()) {
event.setDamage(unarmedManager.berserkDamage(event.getDamage()));
}
if (unarmedManager.canDisarm(target)) {
unarmedManager.disarmCheck((Player) target);
}
startGainXp(mcMMOPlayer, target, SkillType.UNARMED);
}
}
}
switch (damager.getType()) {
case WOLF:
Wolf wolf = (Wolf) damager;
if (wolf.isTamed() && wolf.getOwner() instanceof Player) {
Player master = (Player) wolf.getOwner();
if (Misc.isNPCEntity(master)) {
return;
}
if (!shouldProcessSkill(target, SkillType.TAMING)) {
return;
}
if (Permissions.skillEnabled(master, SkillType.TAMING)) {
McMMOPlayer mcMMOPlayer = UserManager.getPlayer(master);
TamingManager tamingManager = mcMMOPlayer.getTamingManager();
if (tamingManager.canUseFastFoodService()) {
tamingManager.fastFoodService(wolf, event.getDamage());
}
if (tamingManager.canUseSharpenedClaws()) {
event.setDamage(Taming.sharpenedClaws(event.getDamage()));
}
if (tamingManager.canUseGore()) {
event.setDamage(tamingManager.gore(target, event.getDamage()));
}
startGainXp(mcMMOPlayer, target, SkillType.TAMING);
}
}
break;
case ARROW:
LivingEntity shooter = ((Arrow) damager).getShooter();
/* Break instead of return due to Dodge/Counter/Deflect abilities */
if (shooter == null || !(shooter instanceof Player)) {
break;
}
if (!shouldProcessSkill(target, SkillType.ARCHERY)) {
break;
}
Player player = (Player) shooter;
if (Misc.isNPCEntity(player)) {
break;
}
if (Permissions.skillEnabled(player, SkillType.ARCHERY)) {
McMMOPlayer mcMMOPlayer = UserManager.getPlayer(player);
ArcheryManager archeryManager = mcMMOPlayer.getArcheryManager();
if (archeryManager.canSkillShot()) {
event.setDamage(archeryManager.skillShotCheck(event.getDamage()));
}
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.canDaze(target)) {
event.setDamage(archeryManager.dazeCheck((Player) target, event.getDamage()));
}
if (archeryManager.canTrackArrows()) {
archeryManager.trackArrows(target);
}
archeryManager.distanceXpBonus(target);
startGainXp(mcMMOPlayer, target, SkillType.ARCHERY);
}
break;
default:
break;
}
if (target instanceof Player) {
Player player = (Player) target;
if (Misc.isNPCEntity(player)) {
return;
}
McMMOPlayer mcMMOPlayer = UserManager.getPlayer(player);
AcrobaticsManager acrobaticsManager = mcMMOPlayer.getAcrobaticsManager();
if (acrobaticsManager.canDodge(damager)) {
event.setDamage(acrobaticsManager.dodgeCheck(event.getDamage()));
}
if (ItemUtils.isSword(player.getItemInHand())) {
if (!shouldProcessSkill(target, SkillType.SWORDS)) {
return;
}
SwordsManager swordsManager = mcMMOPlayer.getSwordsManager();
if (swordsManager.canUseCounterAttack(damager)) {
swordsManager.counterAttackChecks((LivingEntity) damager, event.getDamage());
}
}
}
else if (attacker instanceof Player) {
Player player = (Player) attacker;
PlayerProfile profile = UserManager.getPlayer(player).getProfile();
if (Permissions.mobHealthDisplay(player) && profile.getMobHealthbarType() != MobHealthbarType.DISABLED) {
String oldName = target.getCustomName();
boolean oldNameVisible = target.isCustomNameVisible();
String newName = createHealthDisplay(profile, target, event.getDamage());
target.setCustomName(newName);
target.setCustomNameVisible(true);
int displayTime = Config.getInstance().getMobHealthbarTime();
if (displayTime != -1) {
if (oldName == null) {
oldName = "";
}
boolean updateName = !ChatColor.stripColor(oldName).equalsIgnoreCase(ChatColor.stripColor(newName));
if (updateName) {
target.setMetadata(mcMMO.customNameKey, new FixedMetadataValue(mcMMO.p, oldName));
target.setMetadata(mcMMO.customVisibleKey, new FixedMetadataValue(mcMMO.p, oldNameVisible));
}
else if (!target.hasMetadata(mcMMO.customNameKey)) {
target.setMetadata(mcMMO.customNameKey, new FixedMetadataValue(mcMMO.p, ""));
target.setMetadata(mcMMO.customVisibleKey, new FixedMetadataValue(mcMMO.p, false));
}
new MobHealthDisplayUpdaterTask(target).runTaskLater(mcMMO.p, displayTime * 20); // Clear health display after 3 seconds
}
}
}
}
/**
* Attempt to damage target for value dmg with reason CUSTOM
*
* @param target LivingEntity which to attempt to damage
* @param dmg Amount of damage to attempt to do
*/
public static void dealDamage(LivingEntity target, int dmg) {
dealDamage(target, dmg, EntityDamageEvent.DamageCause.CUSTOM);
}
/**
* Attempt to damage target for value dmg with reason cause
*
* @param target LivingEntity which to attempt to damage
* @param dmg Amount of damage to attempt to do
* @param cause DamageCause to pass to damage event
*/
private static void dealDamage(LivingEntity target, int dmg, DamageCause cause) {
if (Config.getInstance().getEventCallbackEnabled()) {
EntityDamageEvent ede = new FakeEntityDamageEvent(target, cause, dmg);
mcMMO.p.getServer().getPluginManager().callEvent(ede);
if (ede.isCancelled()) {
return;
}
target.damage(ede.getDamage());
}
else {
target.damage(dmg);
}
}
/**
* Attempt to damage target for value dmg with reason ENTITY_ATTACK with damager attacker
*
* @param target LivingEntity which to attempt to damage
* @param dmg Amount of damage to attempt to do
* @param attacker Player to pass to event as damager
*/
private static void dealDamage(LivingEntity target, int dmg, Player attacker) {
if (Config.getInstance().getEventCallbackEnabled()) {
EntityDamageEvent ede = new FakeEntityDamageByEntityEvent(attacker, target, EntityDamageEvent.DamageCause.ENTITY_ATTACK, dmg);
mcMMO.p.getServer().getPluginManager().callEvent(ede);
if (ede.isCancelled()) {
return;
}
target.damage(ede.getDamage());
}
else {
target.damage(dmg);
}
}
/**
* 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, int damage, SkillType type) {
int numberOfTargets = Misc.getTier(attacker.getItemInHand()); // The higher the weapon tier, the more targets you hit
int damageAmount = damage;
if (damageAmount < 1) {
damageAmount = 1;
}
for (Entity entity : target.getNearbyEntities(2.5, 2.5, 2.5)) {
if (Misc.isNPCEntity(entity) || !(entity instanceof LivingEntity) || !shouldBeAffected(attacker, entity)) {
continue;
}
if (numberOfTargets <= 0) {
break;
}
PlayerAnimationEvent armswing = new PlayerAnimationEvent(attacker);
mcMMO.p.getServer().getPluginManager().callEvent(armswing);
switch (type) {
case SWORDS:
if (entity instanceof Player) {
((Player) entity).sendMessage(LocaleLoader.getString("Swords.Combat.SS.Struck"));
}
BleedTimerTask.add((LivingEntity) entity, Swords.serratedStrikesBleedTicks);
break;
case AXES:
if (entity instanceof Player) {
((Player) entity).sendMessage(LocaleLoader.getString("Axes.Combat.Cleave.Struck"));
}
break;
default:
break;
}
dealDamage((LivingEntity) entity, damageAmount, attacker);
numberOfTargets--;
}
}
/**
* Start the task that gives combat XP.
*
* @param mcMMOPlayer The attacking player
* @param target The defending entity
* @param skillType The skill being used
*/
public static void startGainXp(McMMOPlayer mcMMOPlayer, LivingEntity target, SkillType skillType) {
double baseXP = 0;
if (target instanceof Player) {
if (!Config.getInstance().getExperienceGainsPlayerVersusPlayerEnabled()) {
return;
}
Player defender = (Player) target;
if (System.currentTimeMillis() >= UserManager.getPlayer(defender).getRespawnATS() + 5) {
baseXP = 20 * Config.getInstance().getPlayerVersusPlayerXP();
}
}
else if (!target.hasMetadata(mcMMO.entityMetadataKey)) {
if (target instanceof Animals) {
if (ModUtils.isCustomEntity(target)) {
baseXP = ModUtils.getCustomEntity(target).getXpMultiplier();
}
else {
baseXP = Config.getInstance().getAnimalsXP();
}
}
else {
EntityType type = target.getType();
switch (type) {
case BAT:
baseXP = Config.getInstance().getAnimalsXP();
break;
case BLAZE:
case CAVE_SPIDER:
case CREEPER:
case ENDERMAN:
case GHAST:
case GIANT:
case MAGMA_CUBE:
case PIG_ZOMBIE:
case SILVERFISH:
case SLIME:
case SPIDER:
case ZOMBIE:
baseXP = Config.getInstance().getCombatXP(type);
break;
// Temporary workaround for custom entities
case UNKNOWN:
baseXP = 1.0;
break;
case SKELETON:
switch (((Skeleton) target).getSkeletonType()) {
case WITHER:
baseXP = Config.getInstance().getWitherSkeletonXP();
break;
default:
baseXP = Config.getInstance().getCombatXP(type);
break;
}
break;
case IRON_GOLEM:
if (!((IronGolem) target).isPlayerCreated()) {
baseXP = Config.getInstance().getCombatXP(type);
}
break;
default:
if (ModUtils.isCustomEntity(target)) {
baseXP = ModUtils.getCustomEntity(target).getXpMultiplier();
}
break;
}
}
baseXP *= 10;
}
if (baseXP != 0) {
new AwardCombatXpTask(mcMMOPlayer, skillType, baseXP, target).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.
*/
public 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) && !(Permissions.friendlyFire(player) && Permissions.friendlyFire(defender))) {
return false;
}
// It may seem a bit redundant but we need a check here to prevent bleed from being applied in applyAbilityAoE()
EntityDamageEvent ede = new FakeEntityDamageByEntityEvent(player, entity, EntityDamageEvent.DamageCause.ENTITY_ATTACK, 1);
mcMMO.p.getServer().getPluginManager().callEvent(ede);
if (ede.isCancelled()) {
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, int 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.
*/
if ((entity.getNoDamageTicks() > entity.getMaximumNoDamageTicks() / 2.0F) && (eventDamage <= entity.getLastDamage())) {
return true;
}
return false;
}
/**
* 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;
if (owner == attacker || PartyManager.inSameParty(attacker, owner)) {
return true;
}
}
}
return false;
}
public static boolean shouldProcessSkill(Entity target, SkillType skill) {
boolean process;
if (target instanceof Player || (target instanceof Tameable && ((Tameable) target).isTamed())) {
process = skill.getPVPEnabled();
}
else {
process = skill.getPVEEnabled();
}
return process;
}
private static String createHealthDisplay(PlayerProfile profile, LivingEntity entity, int damage) {
int maxHealth = entity.getMaxHealth();
int currentHealth = Math.max(entity.getHealth() - damage, 0);
double healthPercentage = (currentHealth / (double) maxHealth) * 100.0D;
int fullDisplay = 0;
ChatColor color = ChatColor.BLACK;
String symbol = "";
switch (profile.getMobHealthbarType()) {
case HEARTS:
fullDisplay = Math.min(maxHealth / 2, 10);
color = ChatColor.DARK_RED;
symbol = "";
break;
case BAR:
fullDisplay = 10;
if (healthPercentage >= 85) {
color = ChatColor.DARK_GREEN;
}
else if (healthPercentage >= 70) {
color = ChatColor.GREEN;
}
else if (healthPercentage >= 55) {
color = ChatColor.GOLD;
}
else if (healthPercentage >= 40) {
color = ChatColor.YELLOW;
}
else if (healthPercentage >= 25) {
color = ChatColor.RED;
}
else if (healthPercentage >= 0) {
color = ChatColor.DARK_RED;
}
symbol = "";
break;
default:
return null;
}
int coloredDisplay = (int) (fullDisplay * (healthPercentage / 100.0D));
int grayDisplay = fullDisplay - coloredDisplay;
String healthbar = color + "";
for (int i = 0; i < coloredDisplay; i++) {
healthbar += symbol;
}
healthbar += ChatColor.GRAY;
for (int i = 0; i < grayDisplay; i++) {
healthbar += symbol;
}
return healthbar;
}
}