/**
* Tests the attacker against defender to see if we need to cancel the damage event due to world
* PvP, Plot PvP or Friendly Fire settings. Only allow a Wolves owner to cause it damage, and
* residents with destroy permissions to damage passive animals and villagers while in a town.
*
* @param attacker
* @param defender
* @return true if we should cancel.
*/
public static boolean preventDamageCall(Towny plugin, Entity attacker, Entity defender) {
try {
TownyWorld world = TownyUniverse.getDataSource().getWorld(defender.getWorld().getName());
// World using Towny
if (!world.isUsingTowny()) return false;
Player a = null;
Player b = null;
/*
* Find the shooter if this is a projectile.
*/
if (attacker instanceof Projectile) {
Projectile projectile = (Projectile) attacker;
Object source = projectile.getShooter();
if (source instanceof Entity) {
attacker = (Entity) source;
} else {
return false; // TODO: prevent damage from dispensers
}
}
if (attacker instanceof Player) a = (Player) attacker;
if (defender instanceof Player) b = (Player) defender;
// Allow players to injure themselves
if (a == b) return false;
return preventDamageCall(plugin, world, attacker, defender, a, b);
} catch (Exception e) {
// Failed to fetch world
}
return false;
}
/**
* Tests the attacker against defender to see if we need to cancel the damage event due to world
* PvP, Plot PvP or Friendly Fire settings. Only allow a Wolves owner to cause it damage, and
* residents with destroy permissions to damage passive animals and villagers while in a town.
*
* @param world
* @param attackingEntity
* @param defendingEntity
* @param attackingPlayer
* @param defendingPlayer
* @return true if we should cancel.
*/
public static boolean preventDamageCall(
Towny plugin,
TownyWorld world,
Entity attackingEntity,
Entity defendingEntity,
Player attackingPlayer,
Player defendingPlayer) {
// World using Towny
if (!world.isUsingTowny()) return false;
/*
* We have an attacking player
*/
if (attackingPlayer != null) {
Coord coord = Coord.parseCoord(defendingEntity);
TownBlock defenderTB = null;
TownBlock attackerTB = null;
try {
attackerTB = world.getTownBlock(Coord.parseCoord(attackingEntity));
} catch (NotRegisteredException ex) {
}
try {
defenderTB = world.getTownBlock(coord);
} catch (NotRegisteredException ex) {
}
/*
* If another player is the target
* or
* The target is in a TownBlock and...
* the target is a tame wolf and we are not it's owner
*/
if ((defendingPlayer != null)
|| ((defenderTB != null)
&& ((defendingEntity instanceof Wolf)
&& ((Wolf) defendingEntity).isTamed()
&& !((Wolf) defendingEntity).getOwner().equals((AnimalTamer) attackingEntity)))) {
/*
* Defending player is in a warzone
*/
if (world.isWarZone(coord)) return false;
/*
* Check for special pvp plots (arena)
*/
if (isPvPPlot(attackingPlayer, defendingPlayer)) return false;
/*
* Check if we are preventing friendly fire between allies
* Check the attackers TownBlock and it's Town for their PvP
* status, else the world.
* Check the defenders TownBlock and it's Town for their PvP
* status, else the world.
*/
if (preventFriendlyFire(attackingPlayer, defendingPlayer)
|| preventPvP(world, attackerTB)
|| preventPvP(world, defenderTB)) {
DisallowedPVPEvent event = new DisallowedPVPEvent(attackingPlayer, defendingPlayer);
plugin.getServer().getPluginManager().callEvent(event);
return !event.isCancelled();
}
} else {
/*
* Remove animal killing prevention start
*/
/*
* Defender is not a player so check for PvM
*/
if (defenderTB != null) {
List<Class<?>> prots =
EntityTypeUtil.parseLivingEntityClassNames(
TownySettings.getEntityTypes(), "TownMobPVM:");
if (EntityTypeUtil.isInstanceOfAny(prots, defendingEntity)) {
/*
* Only allow the player to kill protected entities etc,
* if they are from the same town
* and have destroy permissions (grass) in the defending
* TownBlock
*/
if (!PlayerCacheUtil.getCachePermission(
attackingPlayer, attackingPlayer.getLocation(), 3, (byte) 0, ActionType.DESTROY))
return true;
}
}
/*
* Remove prevention end
*/
/*
* Protect specific entity interactions (faked with block ID's).
*/
int blockID = 0;
switch (defendingEntity.getType()) {
case ITEM_FRAME:
blockID = 389;
break;
case PAINTING:
blockID = 321;
break;
case MINECART:
if (defendingEntity instanceof org.bukkit.entity.minecart.StorageMinecart) {
blockID = 342;
} else if (defendingEntity instanceof org.bukkit.entity.minecart.RideableMinecart) {
blockID = 328;
} else if (defendingEntity instanceof org.bukkit.entity.minecart.PoweredMinecart) {
blockID = 343;
} else if (defendingEntity instanceof org.bukkit.entity.minecart.HopperMinecart) {
blockID = 408;
} else {
blockID = 321;
}
default:
break;
}
if (blockID != 0) {
// Get permissions (updates if none exist)
boolean bDestroy =
PlayerCacheUtil.getCachePermission(
attackingPlayer,
defendingEntity.getLocation(),
blockID,
(byte) 0,
TownyPermission.ActionType.DESTROY);
if (!bDestroy) {
/*
* Fetch the players cache
*/
PlayerCache cache = plugin.getCache(attackingPlayer);
if (cache.hasBlockErrMsg())
TownyMessaging.sendErrorMsg(attackingPlayer, cache.getBlockErrMsg());
return true;
}
}
}
}
return false;
}