feat: Introduce EnhancedGridMap addon for advanced grid management and procedural generation, and StaticTektonManager for tekton spawning and placement.

addons/enhanced_gridmap/enhanced_gridmap.gd

@@ -16,6 +16,7 @@ signal grid_updated
 @export var hover_item: int = 1
 @export var start_item: int = 2
 @export var end_item: int = 3
+@export var immutable_items: Array[int] = [4] # Items that cannot be randomized/reset
 
 var current_mesh_library: MeshLibrary
 var grid_data: Array = [] # 3D array [floor][row][column]
@@ -270,6 +271,11 @@ func randomize_floor(floor_index: int, custom_rng_callable: Callable = Callable(
 	
 	for x in range(columns):
 		for z in range(rows):
+			# Check if current item on this floor is immutable
+			var current_item_on_floor = get_cell_item(Vector3i(x, floor_index, z))
+			if current_item_on_floor in immutable_items:
+				continue
+
 			# IMPORTANT: Only place items if Floor 0 has a walkable tile
 			var floor_0_item = get_cell_item(Vector3i(x, 0, z))
 			var is_ground = (floor_0_item == normal_items[0]) # Assuming 0 is ground

scenes/main.gd

@@ -603,6 +603,9 @@ func _assign_random_spawn_positions():
 # Tekton NPC Management
 # =============================================================================
 
+const StaticTektonManager = preload("res://scripts/managers/static_tekton_manager.gd")
+var static_tekton_manager
+
 func spawn_tekton_npc():
 	"""Spawn a Tekton NPC at a random location."""
 	if not multiplayer.is_server(): return
@@ -611,7 +614,7 @@ func spawn_tekton_npc():
 	var enhanced_gridmap = $EnhancedGridMap
 	if not enhanced_gridmap: return
 	
-	# Spawn Static Tektons (Bottom Right, Mid Right)
+	# Spawn Static Tektons (Using Manager)
 	spawn_static_tektons()
 	
 	# Spawn 3 Roaming Tektons
@@ -629,6 +632,10 @@ func spawn_tekton_npc():
 		
 		# Check if walkable and no existing Tekton nearby?
 		if enhanced_gridmap.get_cell_item(cell) == 0: # Walkable floor
+			# Ensure not occupied by static tekton stand (Item 4)
+			var item_id = enhanced_gridmap.get_cell_item(Vector3i(x, 1, y))
+			if item_id == 4: continue # Wall/Stand
+			
 			valid_pos = Vector2i(x, y)
 			
 			# Generate a consistent ID/Name for sync (add index to ensure uniqueness)
@@ -673,32 +680,82 @@ func _create_tekton(pos: Vector2i, tekton_id: int, is_static: bool = false):
 		print("[Main] Spawned Tekton at %s (ID: %d)" % [pos, tekton_id])
 
 func spawn_static_tektons():
-	"""Spawn fixed static tektons (Bottom Right, Mid Right)."""
+	"""Spawn fixed static tektons using StaticTektonManager."""
 	if not multiplayer.is_server(): return
 	var enhanced_gridmap = $EnhancedGridMap
 	if not enhanced_gridmap: return
 	
-	# Bottom Right (Max X, Max Y)
-	if "columns" in enhanced_gridmap and "rows" in enhanced_gridmap:
-		var cols = enhanced_gridmap.columns
-		var rows = enhanced_gridmap.rows
+	print("[Main] Initializing StaticTektonManager...")
+	if not static_tekton_manager:
+		static_tekton_manager = StaticTektonManager.new()
+		# Keeping manager instance in memory
 	
-		# Bottom Right (Corner - 1)
-		var pos_br = Vector2i(cols - 2, rows - 2)
-		var id_br = 99001
-		_create_tekton(pos_br, id_br, true)
-		rpc("sync_spawn_static_tekton", pos_br, id_br)
+	# Calculate Spawn Points (Server Logic)
+	var spawn_points = static_tekton_manager.calculate_spawn_points(3, enhanced_gridmap)
+	print("[Main] Static Tekton Points: %s" % str(spawn_points))
 	
-		# Mid Right
-		var pos_mr = Vector2i(cols - 2, rows / 2)
-		var id_mr = 99002
-		_create_tekton(pos_mr, id_mr, true)
-		rpc("sync_spawn_static_tekton", pos_mr, id_mr)
+	for i in range(spawn_points.size()):
+		var pos = spawn_points[i]
+		# ID: 99000 + i (Consistent IDs for Static Tektons)
+		var id = 99000 + i
+		
+		# Spawn on Server
+		_create_static_setup(pos, id)
+		
+		# Sync to Clients
+		rpc("sync_spawn_static_setup", pos, id)
 
 @rpc("call_remote", "reliable")
-func sync_spawn_static_tekton(pos: Vector2i, tekton_id: int):
+func sync_spawn_static_setup(pos: Vector2i, tekton_id: int):
+	_create_static_setup(pos, tekton_id)
+
+func _create_static_setup(pos: Vector2i, tekton_id: int):
+	"""Creates both the Stand and the Static Tekton at the position."""
+	var enhanced_gridmap = $EnhancedGridMap
+	
+	# 1. Create Stand
+	var stand_name = "StaticStand_%d" % tekton_id
+	if not has_node(stand_name):
+		var stand_scene = load("res://scenes/static_tekton_stand.tscn")
+		if stand_scene:
+			var stand = stand_scene.instantiate()
+			stand.name = stand_name
+			add_child(stand)
+			
+			# Position Stand
+			if enhanced_gridmap:
+				# Convert grid to world
+				var world_pos = Vector3(pos.x + 0.5, 0, pos.y + 0.5) 
+				if "cell_size" in enhanced_gridmap:
+					world_pos = Vector3(
+						pos.x * enhanced_gridmap.cell_size.x + enhanced_gridmap.cell_size.x/2, 
+						0, 
+						pos.y * enhanced_gridmap.cell_size.z + enhanced_gridmap.cell_size.z/2
+					)
+				stand.global_position = world_pos
+				
+				# Update GridMap to block pathfinding (Item 4 = Wall)
+				# Mark entire 3x3 area as immutable obstacles on FLOOR 0 (Ground Level)
+				# This overwrites the ground tile to ensure PlayerMovementManager sees it as blocked.
+				for dx in range(-1, 2):
+					for dy in range(-1, 2):
+						var tile_pos = Vector3i(pos.x + dx, 0, pos.y + dy)
+						enhanced_gridmap.set_cell_item(tile_pos, 4)
+				
+				# CRITICAL: Force AStar update so Bots and Pathfinding know about the new walls
+				if enhanced_gridmap.has_method("update_astar_costs"):
+					enhanced_gridmap.update_astar_costs()
+
+	# 2. Create Tekton
+	# Reuse _create_tekton logic but force params
 	_create_tekton(pos, tekton_id, true)
 	
+	# Force Tekton height UP to sit on stand
+	var tekton = get_node_or_null("Tekton_%d" % tekton_id)
+	if tekton:
+		tekton.position.y += 0.6 # Stand Height
+
+
 
 # =============================================================================
 # Player Management

scenes/main.tscn

@@ -97,6 +97,7 @@ columns = 14
 rows = 14
 floors = 2
 auto_randomize = true
+immutable_items = null
 metadata/_editor_floor_ = Vector3(0, 1, 0)
 
 [node name="Camera3D" type="Camera3D" parent="." unique_id=1200003163]

scenes/static_tekton_stand.tscn

@@ -0,0 +1,27 @@
+[gd_scene load_steps=3 format=3 uid="uid://static_tekton_stand_001"]
+
+[sub_resource type="CylinderMesh" id="CylinderMesh_stand"]
+top_radius = 1.4
+bottom_radius = 1.4
+height = 0.6
+
+[sub_resource type="StandardMaterial3D" id="StandardMaterial3D_stand"]
+albedo_color = Color(0.15, 0.15, 0.2, 1)
+metallic = 0.6
+roughness = 0.4
+
+[sub_resource type="CylinderShape3D" id="CylinderShape3D_stand"]
+height = 0.6
+radius = 1.4
+
+[node name="StaticTektonStand" type="StaticBody3D"]
+collision_mask = 0
+
+[node name="MeshInstance3D" type="MeshInstance3D" parent="."]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0.3, 0)
+mesh = SubResource("CylinderMesh_stand")
+surface_material_override/0 = SubResource("StandardMaterial3D_stand")
+
+[node name="CollisionShape3D" type="CollisionShape3D" parent="."]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0.3, 0)
+shape = SubResource("CylinderShape3D_stand")

scripts/managers/special_tiles_manager.gd

@@ -382,6 +382,21 @@ func _execute_block_floor(target_pos: Vector2i):
 		var pos = n.position
 		var block_pos = Vector3i(pos.x, 0, pos.y)
 		
+		# Check current item first
+		var current_item = enhanced_gridmap.get_cell_item(block_pos)
+		
+		# Skip if already a wall or immutable
+		# We assume Item 4 is the wall/stand. 
+		# Also check enhanced_gridmap.immutable_items if available
+		var is_immutable = false
+		if "immutable_items" in enhanced_gridmap:
+			if current_item in enhanced_gridmap.immutable_items:
+				is_immutable = true
+		
+		if current_item == 4 or is_immutable:
+			# Don't overwrite existing walls/stands, and don't schedule them for "restoration" (deletion)
+			continue
+			
 		if player.is_multiplayer_authority():
 			var main = player.get_tree().get_root().get_node_or_null("Main")
 			if main:
@@ -390,7 +405,7 @@ func _execute_block_floor(target_pos: Vector2i):
 		# Record for restoration
 		blocked_tiles.append({
 			"position": block_pos,
-			"original_item": 0,
+			"original_item": current_item, # Restore the ACTUAL item that was there (e.g. ground 0 or maybe a dropped item?)
 			"timer": BLOCK_DURATION
 		})
 	

scripts/managers/static_tekton_manager.gd

@@ -0,0 +1,90 @@
+extends Node
+
+# StaticTektonManager
+# Handles spawning and placement of Static Tektons in restricted zones.
+
+const STAND_SCENE_PATH = "res://scenes/static_tekton_stand.tscn"
+const TEKTON_SCENE_PATH = "res://scenes/tekton.tscn"
+const STATIC_CONTROLLER_SCRIPT = "res://scripts/static_tekton_controller.gd"
+
+# Zone Definitions based on CameraContextManager logic
+# 9 Zones in a 3x3 grid (approximate for 14x14 map)
+# Top-Left, Top-Mid, Top-Right
+# Mid-Left, Mid-Mid, Mid-Right
+# Bot-Left, Bot-Mid, Bot-Right
+
+func calculate_spawn_points(count: int, gridmap: Node) -> Array:
+	"""
+	Calculates random spawn positions for static tektons.
+	Returns an Array of Vector2i positions.
+	"""
+	if count <= 0 or not gridmap: return []
+	
+	print("[StaticTektonManager] Calculating %d static tekton positions..." % count)
+	
+	# 1. Define Zones
+	var width = gridmap.columns
+	var depth = gridmap.rows
+	
+	# Simple 3x3 grid partition
+	var zone_w = width / 3
+	var zone_d = depth / 3
+	
+	var all_zones = []
+	for z in range(3):
+		for x in range(3):
+			# Create Rect2i for each zone (x, y, w, h)
+			var zone_rect = Rect2i(x * zone_w, z * zone_d, zone_w, zone_d)
+			all_zones.append(zone_rect)
+			
+	# 2. Select Zones (Random Distinct)
+	all_zones.shuffle()
+	var selected_zones = all_zones.slice(0, count)
+	
+	var spawn_points = []
+	
+	# 3. Pick Point in each Selected Zone
+	for i in range(selected_zones.size()):
+		var zone = selected_zones[i]
+		var pos = _pick_spot_in_zone(zone, gridmap)
+		if pos != Vector2i(-1, -1):
+			spawn_points.append(pos)
+			
+	return spawn_points
+
+func _pick_spot_in_zone(zone: Rect2i, gridmap: Node) -> Vector2i:
+	# Find a valid 3x3 spot in the zone
+	# The returned position is the CENTER of the 3x3 area
+	var attempts = 0
+	
+	while attempts < 30:
+		attempts += 1
+		# Ensure center is at least 1 tile away from edges of the map to fit 3x3
+		# zone.position might be 0,0.
+		var min_x = max(1, zone.position.x + 1)
+		var max_x = min(gridmap.columns - 2, zone.position.x + zone.size.x - 2)
+		var min_y = max(1, zone.position.y + 1)
+		var max_y = min(gridmap.rows - 2, zone.position.y + zone.size.y - 2)
+		
+		if min_x > max_x or min_y > max_y:
+			break # Zone too small
+			
+		var x = randi_range(min_x, max_x)
+		var y = randi_range(min_y, max_y)
+		var center = Vector2i(x, y)
+		
+		# Check 3x3 area validity
+		var valid_area = true
+		for dx in range(-1, 2):
+			for dy in range(-1, 2):
+				var check_pos = Vector3i(center.x + dx, 0, center.y + dy)
+				if gridmap.get_cell_item(check_pos) == -1:
+					valid_area = false # Void/Hole
+					break
+				# Optionally check for other obstacles?
+		
+		if valid_area:
+			return center
+	
+	print("[StaticTektonManager] Failed to find 3x3 spot in zone %s" % zone)
+	return Vector2i(-1, -1)

scripts/managers/static_tekton_manager.gd.uid

@@ -0,0 +1 @@
+uid://dqgkrld6qe54a