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package cat.freya.khs.bukkit.event
import cat.freya.khs.bukkit.BukkitKhsPlayer
import cat.freya.khs.bukkit.KhsPlugin
import cat.freya.khs.event.JumpEvent
import cat.freya.khs.event.MoveEvent
import cat.freya.khs.event.onJump
import cat.freya.khs.event.onMove
import cat.freya.khs.world.Position as KhsPosition
import java.util.UUID
import java.util.concurrent.ConcurrentHashMap
import org.bukkit.Location
import org.bukkit.Material
import org.bukkit.entity.Player as BukkitPlayer
import org.bukkit.event.EventHandler
import org.bukkit.event.EventPriority
import org.bukkit.event.Listener
import org.bukkit.event.player.PlayerMoveEvent
class MovementListener(val plugin: KhsPlugin) : Listener {
private val prevPlayersOnGround: MutableSet<UUID> = ConcurrentHashMap.newKeySet<UUID>()
private val playerLastPosition: MutableMap<UUID, Location> = ConcurrentHashMap<UUID, Location>()
init {
plugin.server.pluginManager.registerEvents(this, plugin)
}
private fun isOnGround(player: BukkitPlayer): Boolean {
if (plugin.shim.supports(16, 1)) {
val below = player.location.clone().subtract(0.0, 0.1, 0.0).block
return below.type.isSolid
} else {
@Suppress("DEPRECATION")
return player.isOnGround()
}
}
private fun updateDisguise(player: BukkitPlayer) {
// update disguise (if exists)
val disguise = plugin.disguiser.getDisguise(player) ?: return
val current = player.location.clone()
val last = playerLastPosition.put(player.uniqueId, current) ?: return
if (last.world != current.world) return
val dist = last.distance(current)
if (dist > 0.1) {
disguise.shouldBeSolid = false
} else {
disguise.startSolidifying(last)
}
}
@EventHandler(priority = EventPriority.HIGHEST)
fun onPlayerMove(event: PlayerMoveEvent) {
val bukkitPlayer = event.player ?: return
val khsPlayer = BukkitKhsPlayer(plugin.shim, bukkitPlayer)
// check jumping
if (bukkitPlayer.velocity.y > 0.0) {
val block = bukkitPlayer.location?.block?.type
if (
block != Material.LADDER &&
prevPlayersOnGround.contains(bukkitPlayer.uniqueId) &&
isOnGround(bukkitPlayer)
) {
// trigger jump event
val khsEvent = JumpEvent(plugin.khs, khsPlayer)
onJump(khsEvent)
}
// update set
if (isOnGround(bukkitPlayer)) prevPlayersOnGround.add(bukkitPlayer.uniqueId)
else prevPlayersOnGround.remove(bukkitPlayer.uniqueId)
}
val to = event.to?.let { KhsPosition(it.x, it.y, it.z) } ?: return
val khsEvent = MoveEvent(plugin.khs, khsPlayer, to)
onMove(khsEvent)
if (khsEvent.cancelled) {
event.setCancelled(true)
return
}
updateDisguise(bukkitPlayer)
}
}
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