건설 시스템 기초 생성 및 Kaykit Medival 애셋 추가

Assets/Scripts/Building.cs

@@ -0,0 +1,76 @@
+using Unity.Netcode;
+using UnityEngine;
+
+namespace Northbound
+{
+    public class Building : NetworkBehaviour
+    {
+        [Header("References")]
+        public BuildingData buildingData;
+
+        [Header("Runtime Info")]
+        public Vector3Int gridPosition;
+        public int rotation; // 0-3 (0=0°, 1=90°, 2=180°, 3=270°)
+
+        [Header("Debug")]
+        public bool showGridBounds = true;
+        public Color gridBoundsColor = Color.cyan;
+
+        public void Initialize(BuildingData data, Vector3Int gridPos, int rot)
+        {
+            buildingData = data;
+            gridPosition = gridPos;
+            rotation = rot;
+        }
+
+        /// <summary>
+        /// Gets the grid-based bounds (from BuildingData width/length/height)
+        /// This is used for placement validation, NOT the actual collider bounds
+        /// Bounds are slightly shrunk to allow adjacent buildings to touch
+        /// </summary>
+        public Bounds GetGridBounds()
+        {
+            if (buildingData == null) return new Bounds(transform.position, Vector3.one);
+
+            Vector3 gridSize = buildingData.GetSize(rotation);
+
+            // Shrink slightly to allow buildings to be adjacent without Intersects() returning true
+            Vector3 shrunkSize = gridSize - Vector3.one * 0.01f;
+            return new Bounds(transform.position + Vector3.up * gridSize.y * 0.5f, shrunkSize);
+        }
+
+        /// <summary>
+        /// Legacy method, use GetGridBounds() instead
+        /// </summary>
+        public Bounds GetBounds()
+        {
+            return GetGridBounds();
+        }
+
+        private void OnDrawGizmos()
+        {
+            if (!showGridBounds || buildingData == null) return;
+
+            Bounds bounds = GetGridBounds();
+            Gizmos.color = gridBoundsColor;
+            Gizmos.DrawWireCube(bounds.center, bounds.size);
+        }
+
+        private void OnDrawGizmosSelected()
+        {
+            if (buildingData == null) return;
+
+            Bounds bounds = GetGridBounds();
+            Gizmos.color = Color.yellow;
+            Gizmos.DrawWireCube(bounds.center, bounds.size);
+
+            // Draw grid position
+            if (BuildingManager.Instance != null)
+            {
+                Vector3 worldPos = BuildingManager.Instance.GridToWorld(gridPosition);
+                Gizmos.color = Color.magenta;
+                Gizmos.DrawSphere(worldPos, 0.2f);
+            }
+        }
+    }
+}