feat: GhostDisplayを利用したname表示

build.gradle.kts

@@ -18,7 +18,7 @@ val exposedVersion = "1.0.0-rc-4"
 
 dependencies {
     compileOnly("io.papermc.paper:paper-api:1.21.10-R0.1-SNAPSHOT")
-    implementation("org.jetbrains.kotlin:kotlin-stdlib:2.1.0")
+    compileOnly("org.jetbrains.kotlin:kotlin-stdlib:2.1.0")
     implementation("org.jetbrains.kotlinx:kotlinx-serialization-json:1.9.0") {
         exclude(group = "org.jetbrains.kotlin")
     }
@@ -49,7 +49,13 @@ tasks {
             exclude(dependency("net.hareworks:kommand-lib"))
             exclude(dependency("net.hareworks:permits-lib"))
         }
-        relocate("kotlin", "net.hareworks.hcu.lands.libs.kotlin")
+        dependencies {
+            exclude(dependency("org.jetbrains.kotlin:kotlin-stdlib"))
+            exclude(dependency("org.jetbrains.kotlin:kotlin-reflect"))
+            exclude(dependency("org.jetbrains.kotlin:kotlin-stdlib-jdk8"))
+            exclude(dependency("org.jetbrains.kotlin:kotlin-stdlib-jdk7"))
+        }
+
         relocate("net.hareworks.kommand_lib", "net.hareworks.hcu.lands.libs.kommand_lib")
         relocate("net.hareworks.permits_lib", "net.hareworks.hcu.lands.libs.permits_lib")
     }

src/main/kotlin/net/hareworks/hcu/lands/task/VisualizerTask.kt

@@ -10,11 +10,17 @@ import org.bukkit.Location
 import org.bukkit.Particle
 import org.bukkit.entity.Player
 import org.bukkit.entity.TextDisplay
+import org.bukkit.util.Transformation
+import org.bukkit.util.Vector
+import org.joml.AxisAngle4f
+import org.joml.Vector3f
 import java.util.UUID
 import java.util.concurrent.ConcurrentHashMap
 import kotlin.math.abs
+import kotlin.math.atan2
 import kotlin.math.cos
 import kotlin.math.sin
+import kotlin.math.sqrt
 
 object LandsVisualizer {
     private val enabledPlayers = mutableSetOf<UUID>()
@@ -203,6 +209,27 @@ class VisualizerTask(
             
             drawLine(player, x, bottomY, z, x, topY, z, edgeColor, 0.5)
         }
+
+        // Draw block-aligned boundary (Red)
+        val faceBlocks = mutableSetOf<Pair<Int, Int>>()
+        val cY = cylinder.y + 0.5
+        val rCheck = cylinder.radius + 2 // Check sufficient area
+        val centerBlock = cylinder.getCenterBlock()
+        val cBx = centerBlock.first
+        val cBz = centerBlock.third
+        
+        for (x in (cBx - rCheck).toInt()..(cBx + rCheck).toInt()) {
+            for (z in (cBz - rCheck).toInt()..(cBz + rCheck).toInt()) {
+                // Check center of block
+                if (cylinder.contains(x + 0.5, cY, z + 0.5)) {
+                    faceBlocks.add(Pair(x, z))
+                }
+            }
+        }
+        
+        val redDust = Particle.DustOptions(Color.RED, 1.0f)
+        drawFaceOutline(player, faceBlocks, bottomY, redDust, cylinder)
+        drawFaceOutline(player, faceBlocks, topY, redDust, cylinder)
     }
     
     /**
@@ -305,80 +332,261 @@ class VisualizerTask(
     }
     
     private fun createDisplayForLand(player: Player, land: net.hareworks.hcu.lands.model.Land): DisplayController<TextDisplay> {
-        val position = calculateFaceAttachmentPoint(player, land)
+        val position = calculateBestAttachmentLocation(player, land)
         val controller = displayService!!.createTextDisplay(position)
         controller.applyEntityUpdate { display ->
             display.text(net.kyori.adventure.text.Component.text(land.name))
-            display.billboard = org.bukkit.entity.Display.Billboard.VERTICAL
+            display.billboard = org.bukkit.entity.Display.Billboard.FIXED
+            display.transformation = Transformation(
+                Vector3f(),
+                AxisAngle4f(),
+                Vector3f(6f, 6f, 6f),
+                AxisAngle4f()
+            )
         }
         controller.show(player)
-        logger.info("[LandsDisplay] Display for '${land.name}' made visible to ${player.name} at ${position.blockX}, ${position.blockY}, ${position.blockZ}")
+        // logger.info("[LandsDisplay] Display for '${land.name}' made visible to ${player.name}")
         return controller
     }
     
     private fun updateDisplayPosition(controller: DisplayController<TextDisplay>, player: Player, land: net.hareworks.hcu.lands.model.Land) {
-        val newPosition = calculateFaceAttachmentPoint(player, land)
+        val newPosition = calculateBestAttachmentLocation(player, land)
         val currentLoc = controller.display.location
         
-        // Only update if position changed significantly (>0.5 blocks)
+        // Update if position or rotation (yaw) changed significantly
-        if (currentLoc.distanceSquared(newPosition) > 0.25) {
+        if (currentLoc.distanceSquared(newPosition) > 0.05 || abs(currentLoc.yaw - newPosition.yaw) > 1.0) {
             controller.applyEntityUpdate { display ->
+                // teleport handles both position and rotation
                 display.teleport(newPosition)
             }
         }
     }
     
-    private fun calculateFaceAttachmentPoint(player: Player, land: net.hareworks.hcu.lands.model.Land): Location {
+    private fun calculateBestAttachmentLocation(player: Player, land: net.hareworks.hcu.lands.model.Land): Location {
-        val bbox = land.getBoundingBox()
+        var bestLoc: Location? = null
-        val px = player.location.x
+        var minDistSq = Double.MAX_VALUE
-        val py = player.location.y
-        val pz = player.location.z
         
-        // Check if player is within XZ footprint
+        // Find closest point among all shapes
-        val withinX = px >= bbox.minX && px <= bbox.maxX + 1.0
+        for (shape in land.data.parts) {
-        val withinZ = pz >= bbox.minZ && pz <= bbox.maxZ + 1.0
+            val loc = getAttachmentPointOnShape(player, shape)
-        
+            val distSq = loc.distanceSquared(player.location)
-        if (withinX && withinZ) {
+            if (distSq < minDistSq) {
-            // Player is above or below the land → use top/bottom face
+                minDistSq = distSq
-            return if (py > bbox.maxY + 1.0) {
+                bestLoc = loc
-                // Attach to top face
-                Location(
-                    player.world,
-                    px.coerceIn(bbox.minX.toDouble(), bbox.maxX + 1.0),
-                    bbox.maxY + 1.1,
-                    pz.coerceIn(bbox.minZ.toDouble(), bbox.maxZ + 1.0)
-                )
-            } else {
-                // Attach to bottom face
-                Location(
-                    player.world,
-                    px.coerceIn(bbox.minX.toDouble(), bbox.maxX + 1.0),
-                    bbox.minY - 0.1,
-                    pz.coerceIn(bbox.minZ.toDouble(), bbox.maxZ + 1.0)
-                )
             }
         }
         
-        // Player is outside XZ footprint → use nearest vertical face
+        return bestLoc ?: player.location
-        val clampedX = px.coerceIn(bbox.minX.toDouble(), bbox.maxX + 1.0)
+    }
-        val clampedY = py.coerceIn(bbox.minY.toDouble(), bbox.maxY + 1.0)
+
-        val clampedZ = pz.coerceIn(bbox.minZ.toDouble(), bbox.maxZ + 1.0)
+    private fun getAttachmentPointOnShape(player: Player, shape: Shape): Location {
-        
+        return when (shape) {
-        // Determine which face is nearest
+            is Shape.Cuboid -> getCuboidAttachment(player, shape)
-        val distToWest = abs(px - bbox.minX)
+            is Shape.Cylinder -> getCylinderAttachment(player, shape)
-        val distToEast = abs(px - (bbox.maxX + 1.0))
-        val distToNorth = abs(pz - bbox.minZ)
-        val distToSouth = abs(pz - (bbox.maxZ + 1.0))
-        
-        val minDist = minOf(distToWest, distToEast, distToNorth, distToSouth)
-        
-        return when (minDist) {
-            distToWest -> Location(player.world, bbox.minX - 0.1, clampedY, clampedZ)
-            distToEast -> Location(player.world, bbox.maxX + 1.1, clampedY, clampedZ)
-            distToNorth -> Location(player.world, clampedX, clampedY, bbox.minZ - 0.1)
-            else -> Location(player.world, clampedX, clampedY, bbox.maxZ + 1.1)
         }
     }
+
+    private fun getCuboidAttachment(player: Player, cuboid: Shape.Cuboid): Location {
+        val px = player.location.x
+        val py = player.location.y
+        val pz = player.location.z
+
+        // Cuboid bounds
+        val minX = cuboid.minX().toDouble()
+        val maxX = cuboid.maxX() + 1.0
+        val minY = cuboid.minY().toDouble()
+        val maxY = cuboid.maxY() + 1.0
+        val minZ = cuboid.minZ().toDouble()
+        val maxZ = cuboid.maxZ() + 1.0
+
+        // Determine if player is inside the extended bounding box (XZ)
+        val insideX = px in minX..maxX
+        val insideZ = pz in minZ..maxZ
+        val insideY = py in minY..maxY
+        
+        val margin = 0.1
+
+        var finalX = px.coerceIn(minX, maxX)
+        var finalY = py.coerceIn(minY, maxY)
+        var finalZ = pz.coerceIn(minZ, maxZ)
+        
+        var normal = Vector(0, 1, 0) // Default up
+
+        if (insideX && insideZ && insideY) {
+            // Inside: find nearest wall/floor/ceiling
+            // And snap position to that wall, facing INWARDS
+            val dWest = abs(px - minX)
+            val dEast = abs(px - maxX)
+            val dDown = abs(py - minY)
+            val dUp   = abs(py - maxY)
+            val dNorth= abs(pz - minZ)
+            val dSouth= abs(pz - maxZ)
+            
+            val minD = minOf(dWest, dEast, dDown, dUp, dNorth, dSouth)
+            
+            when (minD) {
+                dWest -> {
+                    finalX = minX
+                    normal = Vector(1, 0, 0)
+                }
+                dEast -> {
+                    finalX = maxX
+                    normal = Vector(-1, 0, 0)
+                }
+                dDown -> {
+                    finalY = minY
+                    normal = Vector(0, 1, 0)
+                }
+                dUp -> {
+                    finalY = maxY
+                    normal = Vector(0, -1, 0)
+                }
+                dNorth -> {
+                    finalZ = minZ
+                    normal = Vector(0, 0, 1)
+                }
+                dSouth -> {
+                    finalZ = maxZ
+                    normal = Vector(0, 0, -1)
+                }
+            }
+        } else {
+            // Outside: calculate vector from clamped point to player?
+            // "Stick to face orientation" -> The text should lie ON the face.
+            // If we are closest to the East face (outside), we want Normal = (1,0,0) so text faces East.
+            
+            // Determine which face we are closest to / projected onto.
+             val dx = if (px < minX) minX - px else if (px > maxX) px - maxX else 0.0
+             val dy = if (py < minY) minY - py else if (py > maxY) py - maxY else 0.0
+             val dz = if (pz < minZ) minZ - pz else if (pz > maxZ) pz - maxZ else 0.0
+
+             if (dx == 0.0 && dy == 0.0 && dz == 0.0) {
+                 // Should not happen if strictly outside, but fallback
+                 normal = Vector(0, 1, 0)
+             } else {
+                 // dominant axis
+                 if (dx >= dy && dx >= dz) {
+                     normal = Vector(if (px < minX) -1 else 1, 0, 0)
+                 } else if (dy >= dx && dy >= dz) {
+                     normal = Vector(0, if (py < minY) -1 else 1, 0)
+                 } else {
+                     normal = Vector(0, 0, if (pz < minZ) -1 else 1)
+                 }
+             }
+        }
+
+        // Apply offset based on normal so it sits slightly outside the block (or inside if inverted)
+        val offsetPos = Vector(finalX, finalY, finalZ).add(normal.clone().multiply(margin))
+        
+        val result = Location(player.world, offsetPos.x, offsetPos.y, offsetPos.z)
+        if (normal.lengthSquared() > 0) {
+            result.direction = normal
+        }
+        return result
+    }
+
+    private fun getCylinderAttachment(player: Player, cyl: Shape.Cylinder): Location {
+        val px = player.location.x
+        val py = player.location.y
+        val pz = player.location.z
+
+        // Cylinder definition
+        val cx = cyl.x + 0.5
+        val cz = cyl.z + 0.5
+        val minY = cyl.y.toDouble() - cyl.bottomHeight
+        val maxY = cyl.y.toDouble() + 1.0 + cyl.topHeight
+        val radius = cyl.radius + 0.5 // Visual radius
+
+        val dx = px - cx
+        val dz = pz - cz
+        val distHorizontal = sqrt(dx*dx + dz*dz)
+        
+        val margin = 0.1
+
+        // Check if strictly inside the cylinder volume
+        val insideY = py in minY..maxY
+        val insideHorizontal = distHorizontal < radius
+
+        var normal = Vector(0, 1, 0)
+        var targetX = px
+        var targetY = py
+        var targetZ = pz
+
+        if (insideHorizontal && insideY) {
+            // Inside volume. Push to nearest surface (Top, Bottom, or Side)
+            // And face INWARDS (towards center/player)
+            val dSide = radius - distHorizontal
+            val dTop = maxY - py
+            val dBottom = py - minY
+            
+            val minD = minOf(dSide, dTop, dBottom)
+            
+            if (minD == dTop) {
+                targetY = maxY
+                normal = Vector(0, -1, 0) // Face Down (Inwards)
+            } else if (minD == dBottom) {
+                targetY = minY
+                normal = Vector(0, 1, 0) // Face Up (Inwards)
+            } else {
+                // Side
+                if (distHorizontal > 0.001) {
+                    val factor = radius / distHorizontal
+                    targetX = cx + dx * factor
+                    targetZ = cz + dz * factor
+                    // Normal towards center
+                    normal = Vector(-dx, 0.0, -dz).normalize()
+                } else {
+                     // Dead center? push X+ and face West
+                    targetX = cx + radius
+                    targetZ = cz
+                    normal = Vector(-1, 0, 0)
+                }
+            }
+        } else {
+            // Outside (or above/below).
+            // Clamp Y
+            targetY = py.coerceIn(minY, maxY)
+            
+            // Horizontal logic
+            // We want the point on the cylinder surface closest to player
+            if (insideHorizontal) {
+                 // Player is above/below, but within radius.
+                 // Normal is Up or Down (Outwards)
+                 targetX = px
+                 targetZ = pz
+                 normal = if (py > maxY) Vector(0, 1, 0) else Vector(0, -1, 0)
+                 if (py > maxY) targetY = maxY else targetY = minY
+            } else {
+                // Outside radius. Closest point is on circumference.
+                if (distHorizontal > 0.001) {
+                    val factor = radius / distHorizontal
+                    targetX = cx + dx * factor
+                    targetZ = cz + dz * factor
+                    
+                    val dY = if (py < minY) minY - py else if (py > maxY) py - maxY else 0.0
+                    val dSide = distHorizontal - radius
+                    
+                    if (dY > dSide) {
+                        // Closer to cap
+                         normal = if (py > maxY) Vector(0, 1, 0) else Vector(0, -1, 0)
+                    } else {
+                        // Closer to side
+                        normal = Vector(dx, 0.0, dz).normalize()
+                    }
+                } else {
+                    normal = Vector(1, 0, 0) // Should not happen if outside radius
+                }
+            }
+        }
+
+        // Apply offset
+        val finalPos = Vector(targetX, targetY, targetZ).add(normal.clone().multiply(margin))
+        val result = Location(player.world, finalPos.x, finalPos.y, finalPos.z)
+        if (normal.lengthSquared() > 0) {
+            result.direction = normal
+        }
+        return result
+    }
     
     fun cleanupDisplaysForPlayer(playerId: UUID) {
         val count = displayControllers[playerId]?.size ?: 0