feat: Implement the main game scene, core logic, UI, and manager setup for Tekton Dash.

scenes/main.gd

@@ -504,6 +504,9 @@ func _start_game():
 			var all_players = get_tree().get_nodes_in_group("Players")
 			ui_manager.initialize_leaderboard_with_players(all_players)
 
+		# Spawn Tekton NPC
+		spawn_tekton_npc()
+
 func _assign_random_spawn_positions():
 	"""Assign spawn positions distributed to 4 corners (2 per corner for 8 players)."""
 	var enhanced_gridmap = $EnhancedGridMap
@@ -596,6 +599,54 @@ func _assign_random_spawn_positions():
 			
 		spawn_index += 1
 
+# =============================================================================
+# Tekton NPC Management
+# =============================================================================
+
+func spawn_tekton_npc():
+	"""Spawn a Tekton NPC at a random location."""
+	if not multiplayer.is_server(): return
+	
+	# Find random valid position
+	var enhanced_gridmap = $EnhancedGridMap
+	if not enhanced_gridmap: return
+	
+	var valid_pos = Vector2i(-1, -1)
+	for _i in range(20): # Try 20 times
+		var x = randi() % enhanced_gridmap.columns
+		var y = randi() % enhanced_gridmap.rows
+		var cell = Vector3i(x, 0, y)
+		if enhanced_gridmap.get_cell_item(cell) == 0: # Walkable floor
+			valid_pos = Vector2i(x, y)
+			break
+	
+	if valid_pos != Vector2i(-1, -1):
+		# Generate a consistent ID/Name for sync
+		var tekton_id = Time.get_ticks_msec() 
+		_create_tekton(valid_pos, tekton_id)
+		rpc("sync_spawn_tekton", valid_pos, tekton_id)
+
+@rpc("call_remote", "reliable")
+func sync_spawn_tekton(pos: Vector2i, tekton_id: int):
+	_create_tekton(pos, tekton_id)
+
+func _create_tekton(pos: Vector2i, tekton_id: int):
+	var node_name = "Tekton_%d" % tekton_id
+	if has_node(node_name): return
+
+	var tekton_scene = load("res://scenes/tekton.tscn")
+	var tekton = tekton_scene.instantiate()
+	tekton.name = node_name
+	add_child(tekton)
+	
+	# Initialize
+	if tekton.has_method("initialize"):
+		if has_node("EnhancedGridMap"):
+			tekton.initialize(pos, $EnhancedGridMap)
+	
+	print("[Main] Spawned Tekton at %s (ID: %d)" % [pos, tekton_id])
+
+
 # =============================================================================
 # Player Management
 # =============================================================================