feat: 設置と削除・HP

src/main/kotlin/net/hareworks/hcu/landsector/LandSectorPlugin.kt

@@ -59,10 +59,16 @@ class LandSectorPlugin : JavaPlugin() {
         
         server.pluginManager.registerEvents(SectorListener(this, service, pIdService), this)
         
+        // Schedule auto-save every 5 minutes
+        server.scheduler.runTaskTimerAsynchronously(this, Runnable {
+            service.flushChanges()
+        }, 6000L, 6000L)
+        
         logger.info("LandSector initialized with services.")
     }
     
     override fun onDisable() {
+        sectorService?.flushChanges()
         logger.info("LandSector plugin has been disabled!")
     }
 }

src/main/kotlin/net/hareworks/hcu/landsector/command/LandSectorCommand.kt

@@ -1,18 +1,22 @@
 package net.hareworks.hcu.landsector.command
 
 import net.hareworks.hcu.landsector.LandSectorPlugin
+import net.hareworks.hcu.landsector.model.Sector
 import net.hareworks.kommand_lib.kommand
 import net.kyori.adventure.text.Component
 import net.kyori.adventure.text.format.NamedTextColor
+import org.bukkit.Bukkit
+import org.bukkit.Location
 import org.bukkit.Material
 import org.bukkit.NamespacedKey
 import org.bukkit.entity.Player
+import org.bukkit.entity.Shulker
 import org.bukkit.inventory.ItemStack
 import org.bukkit.persistence.PersistentDataType
 
-class LandSectorCommand(private val plugin: LandSectorPlugin) {
+class LandSectorCommand(private val landSectorPlugin: LandSectorPlugin) {
     fun register() {
-        kommand(plugin) {
+        kommand(landSectorPlugin) {
             command("landsector") {
                 literal("give") {
                     executes {
@@ -22,7 +26,7 @@ class LandSectorCommand(private val plugin: LandSectorPlugin) {
                         val meta = item.itemMeta
                         meta.displayName(Component.text("Sector Core", NamedTextColor.LIGHT_PURPLE))
                         meta.persistentDataContainer.set(
-                            NamespacedKey(plugin, "component"),
+                            NamespacedKey(landSectorPlugin, "component"),
                             PersistentDataType.STRING,
                             "sector_core"
                         )
@@ -32,6 +36,97 @@ class LandSectorCommand(private val plugin: LandSectorPlugin) {
                         sender.sendMessage(Component.text("Gave 1 Sector Core.", NamedTextColor.GREEN))
                     }
                 }
+
+                literal("list") {
+                    executes {
+                        val player = sender as? Player ?: return@executes
+                        val service = landSectorPlugin.sectorService
+                        if (service == null) {
+                            sender.sendMessage(Component.text("SectorService not ready.", NamedTextColor.RED))
+                            return@executes
+                        }
+
+                        val worldName = player.world.name
+                        val loc = player.location
+                        
+                        val sectors = service.getAllSectors(worldName)
+                            .sortedBy { sector ->
+                                val sx = sector.x + 0.5
+                                val sy = sector.y + 1.0
+                                val sz = sector.z + 0.5
+                                
+                                (loc.x - sx) * (loc.x - sx) + 
+                                (loc.y - sy) * (loc.y - sy) + 
+                                (loc.z - sz) * (loc.z - sz)
+                            }
+
+                        sender.sendMessage(Component.text("=== Sector List (${sectors.size}) ===", NamedTextColor.GOLD))
+                        sectors.forEach { sector ->
+                            val distSq = (loc.x - (sector.x + 0.5)) * (loc.x - (sector.x + 0.5)) +
+                                         (loc.y - (sector.y + 1.0)) * (loc.y - (sector.y + 1.0)) +
+                                         (loc.z - (sector.z + 0.5)) * (loc.z - (sector.z + 0.5))
+                            val dist = Math.sqrt(distSq).toInt()
+                            
+                            sender.sendMessage(
+                                Component.text()
+                                    .append(Component.text("#${sector.id} ", NamedTextColor.YELLOW))
+                                    .append(Component.text("(${sector.x}, ${sector.y}, ${sector.z}) ", NamedTextColor.GRAY))
+                                    .append(Component.text("HP: ${sector.hp} ", NamedTextColor.RED))
+                                    .append(Component.text("- ${dist}m", NamedTextColor.AQUA))
+                                    .build()
+                            )
+                        }
+                    }
+                }
+
+                literal("delete") {
+                    integer("id") {
+                        executes {
+                            val id = argument<Int>("id")
+                            val service = landSectorPlugin.sectorService
+                            if (service == null) {
+                                sender.sendMessage(Component.text("SectorService not ready.", NamedTextColor.RED))
+                                return@executes
+                            }
+
+                            val sector = service.deleteSector(id)
+                            if (sector == null) {
+                                sender.sendMessage(Component.text("Sector #$id not found.", NamedTextColor.RED))
+                            } else {
+                                // Physical removal
+                                val world = Bukkit.getWorld(sector.world)
+                                if (world != null) {
+                                    val x = sector.x
+                                    val y = sector.y
+                                    val z = sector.z
+                                    
+                                    val blockBase = world.getBlockAt(x, y - 1, z)
+                                    val blockTop = world.getBlockAt(x, y + 1, z)
+                                    
+                                    if (blockBase.type == Material.BEDROCK) blockBase.type = Material.AIR
+                                    if (blockTop.type == Material.BEDROCK) blockTop.type = Material.AIR
+                                    
+                                    // Remove Entity
+                                    val center = Location(world, x + 0.5, y.toDouble(), z + 0.5)
+                                    if (center.chunk.isLoaded) {
+                                        val entities = world.getNearbyEntities(center, 0.5, 0.5, 0.5)
+                                        entities.forEach { entity ->
+                                            if (entity is Shulker) {
+                                                val key = NamespacedKey(landSectorPlugin, "sector_id")
+                                                val sId = entity.persistentDataContainer.get(key, PersistentDataType.INTEGER)
+                                                if (sId == id || sId == null) { 
+                                                     entity.remove()
+                                                }
+                                            }
+                                        }
+                                    }
+                                }
+                                
+                                sender.sendMessage(Component.text("Sector #$id deleted.", NamedTextColor.GREEN))
+                            }
+                        }
+                    }
+                }
             }
         }
     }

src/main/kotlin/net/hareworks/hcu/landsector/database/SectorsTable.kt

@@ -9,6 +9,7 @@ object SectorsTable : Table("land_sectors") {
     val x = integer("x")
     val y = integer("y")
     val z = integer("z")
+    val hp = integer("hp").default(1000)
 
     override val primaryKey = PrimaryKey(id)
 }

src/main/kotlin/net/hareworks/hcu/landsector/listener/SectorListener.kt

@@ -7,13 +7,24 @@ import net.kyori.adventure.text.Component
 import net.kyori.adventure.text.format.NamedTextColor
 import org.bukkit.Material
 import org.bukkit.NamespacedKey
+import org.bukkit.Particle
+import org.bukkit.Sound
 import org.bukkit.entity.EntityType
 import org.bukkit.entity.Shulker
 import org.bukkit.attribute.Attribute
 import org.bukkit.event.EventHandler
 import org.bukkit.event.Listener
 import org.bukkit.event.block.BlockPlaceEvent
+import org.bukkit.event.entity.EntityDamageEvent
+import org.bukkit.event.entity.EntityDamageByEntityEvent
+import org.bukkit.event.world.ChunkLoadEvent
+import org.bukkit.entity.Player
+import org.bukkit.entity.BlockDisplay
 import org.bukkit.persistence.PersistentDataType
+import org.bukkit.util.Transformation
+import org.joml.Vector3f
+import org.joml.Quaternionf
+import org.bukkit.block.data.type.Slab
 
 class SectorListener(
     private val plugin: LandSectorPlugin,
@@ -52,22 +63,8 @@ class SectorListener(
             return
         }
 
-        // Spawn Shulker
+        // Record to DB first to get ID
-        val shulkerLoc = loc.clone().add(0.5, 1.0, 0.5)
+        val sector = sectorService.createSector(
-        val shulker = player.world.spawnEntity(shulkerLoc, EntityType.SHULKER) as Shulker
-        shulker.setAI(false)
-        shulker.isInvulnerable = true
-        shulker.isInvisible = true
-        
-        val param = shulker.getAttribute(Attribute.MAX_HEALTH)
-        param?.baseValue = 1000.0
-        shulker.health = 1000.0
-        
-        // Place top bedrock
-        above2.type = Material.BEDROCK
-        
-        // Record to DB (using Shulker pos as center)
-        sectorService.createSector(
             playerEntry.actorId,
             player.world.name,
             above1.x,
@@ -75,6 +72,240 @@ class SectorListener(
             above1.z
         )
 
+        if (sector == null) {
+            player.sendMessage(Component.text("Failed to create sector record.", NamedTextColor.RED))
+            event.isCancelled = true
+            return
+        }
+
+        // Create Visuals
+        val sectorKey = NamespacedKey(plugin, "sector_id")
+        val locCenter = loc.clone().add(0.5, 0.0, 0.5)
+
+        // 1. Command Block
+        val cbLoc = locCenter.clone().add(0.0, 1.5, 0.0)
+        val cb = player.world.spawnEntity(cbLoc, EntityType.BLOCK_DISPLAY) as BlockDisplay
+        cb.block = Material.COMMAND_BLOCK.createBlockData { 
+            (it as org.bukkit.block.data.Directional).facing = org.bukkit.block.BlockFace.UP 
+        }
+        cb.transformation = Transformation(
+            Vector3f(-0.25f, -0.25f, -0.25f),
+            Quaternionf(0f, 0f, 0f, 1f),
+            Vector3f(0.5f, 0.5f, 0.5f),
+            Quaternionf(0f, 0f, 0f, 1f)
+        )
+        cb.persistentDataContainer.set(sectorKey, PersistentDataType.INTEGER, sector.id)
+
+        // 2. Tinted Glass
+        val glass = player.world.spawnEntity(cbLoc, EntityType.BLOCK_DISPLAY) as BlockDisplay
+        glass.block = Material.TINTED_GLASS.createBlockData()
+        glass.transformation = Transformation(
+            Vector3f(-0.4375f, -0.4375f, -0.4375f),
+            Quaternionf(0f, 0f, 0f, 1f),
+            Vector3f(0.875f, 0.875f, 0.875f),
+            Quaternionf(0f, 0f, 0f, 1f)
+        )
+        glass.persistentDataContainer.set(sectorKey, PersistentDataType.INTEGER, sector.id)
+
+        // 3. Top Cauldron
+        val topCauldronLoc = locCenter.clone().add(0.0, 2.3125, 0.0)
+        val topCauldron = player.world.spawnEntity(topCauldronLoc, EntityType.BLOCK_DISPLAY) as BlockDisplay
+        topCauldron.block = Material.CAULDRON.createBlockData()
+        topCauldron.transformation = Transformation(
+            Vector3f(0.4990f, -0.4990f, 0.4990f),
+            Quaternionf(0f, 1f, 0f, 0f),
+            Vector3f(0.9980f, 0.9980f, 0.9980f),
+            Quaternionf(0f, 0f, 0f, 1f)
+        )
+        topCauldron.persistentDataContainer.set(sectorKey, PersistentDataType.INTEGER, sector.id)
+
+        // 4. Bottom Cauldron
+        val botCauldronLoc = locCenter.clone().add(0.0, 0.6875, 0.0)
+        val botCauldron = player.world.spawnEntity(botCauldronLoc, EntityType.BLOCK_DISPLAY) as BlockDisplay
+        botCauldron.block = Material.CAULDRON.createBlockData()
+        botCauldron.transformation = Transformation(
+            Vector3f(-0.4990f, 0.4990f, 0.4990f),
+            Quaternionf(1f, 0f, 0f, 0f),
+            Vector3f(0.9980f, 0.9980f, 0.9980f),
+            Quaternionf(0f, 0f, 0f, 1f)
+        )
+        botCauldron.persistentDataContainer.set(sectorKey, PersistentDataType.INTEGER, sector.id)
+
+        // Spawn Shulker (Hitbox)
+        val shulkerLoc = loc.clone().add(0.5, 1.0, 0.5) // Y+1, sits in space 1-2.
+        val shulker = player.world.spawnEntity(shulkerLoc, EntityType.SHULKER) as Shulker
+        shulker.setAI(false)
+        shulker.isInvisible = true
+        // shulker.isInvulnerable = true // REMOVED to allow damage
+        
+        val param = shulker.getAttribute(Attribute.MAX_HEALTH)
+        param?.baseValue = 1000.0
+        shulker.health = 1000.0
+        shulker.maximumNoDamageTicks = 0
+
+        // Tag Shulker with Sector ID
+        shulker.persistentDataContainer.set(sectorKey, PersistentDataType.INTEGER, sector.id)
+        
+        // Place Blocks
+        block.type = Material.DEEPSLATE_TILE_SLAB
+        val bottomSlab = block.blockData as Slab
+        bottomSlab.type = Slab.Type.BOTTOM
+        block.blockData = bottomSlab
+
+        above2.type = Material.DEEPSLATE_TILE_SLAB
+        val topSlab = above2.blockData as Slab
+        topSlab.type = Slab.Type.TOP
+        above2.blockData = topSlab
+        
         player.sendMessage(Component.text("Sector Core placed!", NamedTextColor.GREEN))
     }
+
+    @EventHandler
+    fun onDamage(event: EntityDamageEvent) {
+        val entity = event.entity
+        if (entity !is Shulker) return
+
+        val sectorKey = NamespacedKey(plugin, "sector_id")
+        if (!entity.persistentDataContainer.has(sectorKey, PersistentDataType.INTEGER)) return
+
+        val sectorId = entity.persistentDataContainer.get(sectorKey, PersistentDataType.INTEGER) ?: return
+
+        // Prevent vanilla death logic but show damage effect
+        // We restore health to max after processing
+        val damage = event.finalDamage
+        val maxHealth = entity.getAttribute(Attribute.MAX_HEALTH)?.value ?: 1000.0
+        
+        val newHp = sectorService.reduceHealth(sectorId, damage.toInt())
+        
+        // Cancel the event so it doesn't actually die in vanilla terms, 
+        // OR let it happen but force health reset. 
+        // Cancelling prevents the red flash in some versions/cases, so setting damage to 0 is often better 
+        // if we want the effect. But resetting health is robust.
+        // Let's reset health.
+        entity.health = maxHealth
+        entity.noDamageTicks = 0
+
+        if (newHp != null) {
+            val loc = entity.location
+            val world = entity.world
+
+            // Effects
+            world.playSound(loc, Sound.BLOCK_ANVIL_PLACE, 1.0f, 0.5f) // Heavy metallic sound
+            world.spawnParticle(Particle.BLOCK, loc.add(0.0, 0.5, 0.0), 20, 0.3, 0.3, 0.3, Material.BEDROCK.createBlockData())
+
+            // Action Bar Display
+            if (event is EntityDamageByEntityEvent && event.damager is Player) {
+                val player = event.damager as Player
+                val percent = newHp.toDouble() / maxHealth.toDouble()
+                val color = when {
+                    percent > 0.5 -> NamedTextColor.GREEN
+                    percent > 0.2 -> NamedTextColor.YELLOW
+                    else -> NamedTextColor.RED
+                }
+
+                val progressBar = createProgressBar(newHp, maxHealth.toInt(), color)
+                
+                val message = Component.text()
+                    .append(Component.text("Sector Core ", NamedTextColor.GOLD))
+                    .append(progressBar)
+                    .append(Component.text(" "))
+                    .append(Component.text(newHp, color))
+                    .append(Component.text("/", NamedTextColor.GRAY))
+                    .append(Component.text(maxHealth.toInt(), NamedTextColor.GRAY))
+                    .build()
+
+                player.sendActionBar(message)
+            }
+            
+            if (newHp <= 0) {
+                 // Destruction
+                 entity.remove()
+                 
+                 // Remove other visuals in chunk
+                 val chunk = entity.chunk
+                 chunk.entities.forEach { ent ->
+                    val sId = ent.persistentDataContainer.get(sectorKey, PersistentDataType.INTEGER)
+                    if (sId == sectorId) ent.remove()
+                 }
+                 
+                 // Remove blocks. 
+                 // We know Shulker is at x, y, z.
+                 // Base is y-1, Top is y+1
+                 val loc = entity.location
+                 val world = entity.world
+                 val x = loc.blockX
+                 val y = loc.blockY
+                 val z = loc.blockZ
+                 
+                 val base = world.getBlockAt(x, y - 1, z)
+                 val top = world.getBlockAt(x, y + 1, z)
+                 
+                 if (base.type == Material.DEEPSLATE_TILE_SLAB) base.type = Material.AIR
+                 if (top.type == Material.DEEPSLATE_TILE_SLAB) top.type = Material.AIR
+                 
+                 world.dropItemNaturally(loc, org.bukkit.inventory.ItemStack(Material.DEEPSLATE_TILE_SLAB, 2))
+                 
+                 // Maybe delete from DB or mark as destroyed? 
+                 // For now, valid destruction.
+            }
+        }
+    }
+
+    private fun createProgressBar(current: Int, max: Int, color: NamedTextColor): Component {
+        val totalBars = 20
+        val percent = current.toDouble() / max.toDouble()
+        val filledBars = (totalBars * percent).toInt().coerceIn(0, totalBars)
+        val emptyBars = totalBars - filledBars
+
+        return Component.text()
+            .append(Component.text("[", NamedTextColor.DARK_GRAY))
+            .append(Component.text("|".repeat(filledBars), color))
+            .append(Component.text("|".repeat(emptyBars), NamedTextColor.GRAY))
+            .append(Component.text("]", NamedTextColor.DARK_GRAY))
+            .build()
+    }
+
+    @EventHandler
+    fun onChunkLoad(event: ChunkLoadEvent) {
+        if (event.isNewChunk) return // Optimization: New chunks won't have old sectors to cleanup
+
+        val chunk = event.chunk
+        val entities = chunk.entities
+        val sectorKey = NamespacedKey(plugin, "sector_id")
+
+        entities.forEach { entity ->
+            if (entity.persistentDataContainer.has(sectorKey, PersistentDataType.INTEGER)) {
+                val sectorId = entity.persistentDataContainer.get(sectorKey, PersistentDataType.INTEGER) ?: return@forEach
+                
+                // Check existance async
+                plugin.server.scheduler.runTaskAsynchronously(plugin, Runnable {
+                    val exists = sectorService.exists(sectorId)
+                    if (!exists) {
+                        plugin.server.scheduler.runTask(plugin, Runnable {
+                             // Re-verify ent validity
+                             if (entity.isValid) {
+                                 entity.remove()
+                                 // We should also clean up blocks, but that requires knowing where they are relative to entity
+                                 val loc = entity.location
+                                 val world = entity.world
+                                 val x = loc.blockX
+                                 val y = loc.blockY
+                                 val z = loc.blockZ
+                                 
+                                 // Entity is at x, y, z
+                                 // Base is y-1, Top is y+1
+                                 val base = world.getBlockAt(x, y - 1, z)
+                                 val top = world.getBlockAt(x, y + 1, z)
+                                 
+                                 if (base.type == Material.DEEPSLATE_TILE_SLAB) base.type = Material.AIR
+                                 if (top.type == Material.DEEPSLATE_TILE_SLAB) top.type = Material.AIR
+                                 
+                                 plugin.logger.info("Removed orphaned sector artifacts for ID $sectorId at $x,$y,$z")
+                             }
+                        })
+                    }
+                })
+            }
+        }
+    }
 }

src/main/kotlin/net/hareworks/hcu/landsector/model/Sector.kt

@@ -6,5 +6,6 @@ data class Sector(
     val world: String,
     val x: Int,
     val y: Int,
-    val z: Int
+    val z: Int,
+    val hp: Int
 )

src/main/kotlin/net/hareworks/hcu/landsector/service/SectorService.kt

@@ -7,11 +7,18 @@ import org.jetbrains.exposed.v1.jdbc.Database
 import org.jetbrains.exposed.v1.jdbc.SchemaUtils
 import org.jetbrains.exposed.v1.jdbc.insert
 import org.jetbrains.exposed.v1.jdbc.selectAll
+import org.jetbrains.exposed.v1.jdbc.select
+import org.jetbrains.exposed.v1.jdbc.update
 import org.jetbrains.exposed.v1.jdbc.andWhere
+import org.jetbrains.exposed.v1.jdbc.deleteWhere
 import org.jetbrains.exposed.v1.jdbc.transactions.transaction
+import java.util.concurrent.ConcurrentHashMap
 
 class SectorService(private val database: Database) {
 
+    private val hpCache = ConcurrentHashMap<Int, Int>()
+    private val dirtySet = ConcurrentHashMap.newKeySet<Int>()
+
     fun init() {
         transaction(database) {
             SchemaUtils.createMissingTablesAndColumns(SectorsTable)
@@ -26,9 +33,11 @@ class SectorService(private val database: Database) {
                 it[SectorsTable.x] = x
                 it[SectorsTable.y] = y
                 it[SectorsTable.z] = z
+                it[SectorsTable.hp] = 1000
             }[SectorsTable.id]
 
-            Sector(id, ownerActorId, world, x, y, z)
+            hpCache[id] = 1000
+            Sector(id, ownerActorId, world, x, y, z, 1000)
         }
     }
 
@@ -46,9 +55,106 @@ class SectorService(private val database: Database) {
                     it[SectorsTable.world],
                     it[SectorsTable.x],
                     it[SectorsTable.y],
-                    it[SectorsTable.z]
+                    it[SectorsTable.z],
+                    it[SectorsTable.hp]
                 )
             }.singleOrNull()
         }
     }
+
+    fun reduceHealth(id: Int, amount: Int): Int? {
+        // Try get from cache
+        var currentHp = hpCache[id]
+        
+        // If not in cache, load from DB
+        if (currentHp == null) {
+            val sector = transaction(database) {
+                SectorsTable.selectAll().andWhere { SectorsTable.id eq id }.singleOrNull()
+            } ?: return null // Not found
+            
+            currentHp = sector[SectorsTable.hp]
+            hpCache[id] = currentHp
+        }
+
+        val newHp = (currentHp!! - amount).coerceAtLeast(0)
+        hpCache[id] = newHp
+        dirtySet.add(id)
+        
+        return newHp
+    }
+
+    fun flushChanges() {
+        if (dirtySet.isEmpty()) return
+        
+        // Take a snapshot of keys to update
+        val toUpdate = dirtySet.toMutableSet()
+        dirtySet.removeAll(toUpdate) // Clear them from dirty set so we don't re-save unless modified again
+
+        if (toUpdate.isEmpty()) return
+
+        transaction(database) {
+            toUpdate.forEach { id ->
+                val hp = hpCache[id] ?: return@forEach
+                SectorsTable.update({ SectorsTable.id eq id }) {
+                    it[SectorsTable.hp] = hp
+                }
+            }
+        }
+    }
+
+    fun deleteSector(id: Int): Sector? {
+        val sector = transaction(database) {
+            val record = SectorsTable.selectAll().andWhere { SectorsTable.id eq id }.singleOrNull() ?: return@transaction null
+            
+            SectorsTable.deleteWhere { SectorsTable.id eq id }
+            
+            Sector(
+                record[SectorsTable.id],
+                record[SectorsTable.ownerActorId],
+                record[SectorsTable.world],
+                record[SectorsTable.x],
+                record[SectorsTable.y],
+                record[SectorsTable.z],
+                record[SectorsTable.hp]
+            )
+        }
+        
+        if (sector != null) {
+            hpCache.remove(id)
+            dirtySet.remove(id)
+        }
+        
+        return sector
+    }
+
+    fun exists(id: Int): Boolean {
+        if (hpCache.containsKey(id)) return true
+        
+        return transaction(database) {
+            SectorsTable.selectAll().andWhere { SectorsTable.id eq id }.count() > 0
+        }
+    }
+
+    fun getAllSectors(world: String): List<Sector> {
+        return transaction(database) {
+            SectorsTable.selectAll()
+                .andWhere { SectorsTable.world eq world }
+                .map {
+                    // Update HP from cache if exists
+                    val id = it[SectorsTable.id]
+                    val cachedHp = hpCache[id]
+                    val hp = cachedHp ?: it[SectorsTable.hp]
+                    
+                    Sector(
+                        id,
+                        it[SectorsTable.ownerActorId],
+                        it[SectorsTable.world],
+                        it[SectorsTable.x],
+                        it[SectorsTable.y],
+                        it[SectorsTable.z],
+                        hp
+                    )
+                }
+        }
+    }
 }