feat: Introduce an EnhancedGridMap with advanced generation, randomization, pathfinding, and data serialization, along with new player, powerup, and portal managers.

scenes/main.gd

@@ -1581,12 +1581,15 @@ func request_randomize_item(grid_position: Vector2i):
 func sync_grid_item(x: int, y: int, z: int, item: int):
 	var enhanced_gridmap = $EnhancedGridMap
 	if enhanced_gridmap:
-		# WALL-SAFETY CHECK: Block tiles (7-20) from being placed on walls (4) or void (-1)
+		# PROTECTED FLOOR CHECK: Block tiles (7-20) from being placed on walls (4) or void (-1)
+		# Note: We allow spawning on Safe Zones, Start, and Finish as it's on Layer 1.
 		if y == 1 and item >= 7 and item <= 20:
 			var f0 = enhanced_gridmap.get_cell_item(Vector3i(x, 0, z))
-			if f0 == 4 or f0 == -1:
-				# Log and block illegal placement
-				print("[Main] Blocked illegal tile (%d) placement on wall/void at (%d, %d)" % [item, x, z])
+			var f1 = enhanced_gridmap.get_cell_item(Vector3i(x, 1, z))
+			
+			# Block if Layer 0 is Wall (4) or Void (-1) 
+			# OR Layer 1 is already a wall (4 or 13)
+			if f0 in [4, -1] or f1 == 4 or f1 == 13:
 				return
 
 		enhanced_gridmap.set_cell_item(Vector3i(x, y, z), item)
@@ -1607,10 +1610,11 @@ func sync_grid_items_batch(data: Array):
 		var z = entry.get("z", 0)
 		var item = entry.get("item", -1)
 		
-		# WALL-SAFETY CHECK
+		# PROTECTED FLOOR CHECK
 		if y == 1 and item >= 7 and item <= 20:
 			var f0 = enhanced_gridmap.get_cell_item(Vector3i(x, 0, z))
-			if f0 == 4 or f0 == -1:
+			var f1 = enhanced_gridmap.get_cell_item(Vector3i(x, 1, z))
+			if f0 in [4, -1] or f1 == 4 or f1 == 13:
 				continue
 				
 		enhanced_gridmap.set_cell_item(Vector3i(x, y, z), item)
@@ -1625,13 +1629,12 @@ func randomize_game_grid():
 		
 	var enhanced_gridmap = $EnhancedGridMap
 	if enhanced_gridmap:
-		# Randomize Floor 1 using ScarcityController
-		enhanced_gridmap.randomize_floor(1, ScarcityController.get_random_tile_id)
-		
-		# Sync to clients if needed (usually handled by initial state sync or explicit item syncs)
-		# Since Main.gd doesn't have a "Sync Floor" RPC, we rely on clients running the same seed or syncing individual cells.
-		# For now, let's assume server authority + sync on connect handles it, or add sync loop if critical.
-		pass
+		# Use density-aware callable: 60% chance for a real tile, 40% for none
+		var density_callable = func():
+			if randf() > 0.6: return -1
+			return ScarcityController.get_random_tile_id()
+			
+		enhanced_gridmap.randomize_floor(1, density_callable)
 
 @rpc("authority", "call_local", "reliable")
 func sync_full_grid_data_stop_n_go(floor0: PackedInt32Array, floor1: PackedInt32Array, cols: int, rows: int):

scenes/main.tscn

@@ -32,7 +32,6 @@
 [ext_resource type="Texture2D" uid="uid://3up2su2e0lfa" path="res://assets/graphics/touch_control/freeze_area.png" id="28_fv21b"]
 [ext_resource type="Texture2D" uid="uid://ckhdyxnho6sjp" path="res://assets/graphics/touch_control/spawn_tile.png" id="28_j8jky"]
 [ext_resource type="Texture2D" uid="uid://b2vhatfmufn3d" path="res://assets/graphics/touch_control/ghost.png" id="33_5q0nq"]
-[ext_resource type="Texture2D" uid="uid://cdwk17moidkj2" path="res://assets/graphics/touch_control/knock_tekton.png" id="35_fuf3a"]
 [ext_resource type="Texture2D" uid="uid://biun2yvglxgij" path="res://assets/graphics/touch_control/grab_tekton.png" id="36_pibwh"]
 [ext_resource type="Script" uid="uid://86ikh0wuqk7v" path="res://scripts/ui/powerup_inventory_ui.gd" id="powerup_ui_script"]
 [ext_resource type="Script" uid="uid://b54tfa0n6kogi" path="res://scripts/managers/touch_controls.gd" id="touch_manager"]
@@ -99,6 +98,7 @@ columns = 14
 rows = 14
 floors = 2
 auto_randomize = true
+immutable_items = Array[int]([4])
 metadata/_editor_floor_ = Vector3(0, 1, 0)
 
 [node name="Camera3D" type="Camera3D" parent="." unique_id=1200003163]
@@ -9808,16 +9808,7 @@ flat = true
 icon_alignment = 1
 expand_icon = true
 
-[node name="TektonKnockBtn" type="Button" parent="TouchControls/TouchControls/ActionsBtn" unique_id=2133168886]
-layout_mode = 2
-size_flags_horizontal = 3
-size_flags_vertical = 3
-icon = ExtResource("35_fuf3a")
-flat = true
-icon_alignment = 1
-expand_icon = true
-
-[node name="TektonThrowBtn" type="Button" parent="TouchControls/TouchControls/ActionsBtn" unique_id=2097928368]
+[node name="TektonGrabBtn" type="Button" parent="TouchControls/TouchControls/ActionsBtn" unique_id=2097928368]
 layout_mode = 2
 size_flags_horizontal = 3
 size_flags_vertical = 3

scenes/player.gd

@@ -707,6 +707,9 @@ var immunity_timer: float = 0.0
 
 @rpc("any_peer", "call_local")
 func apply_stagger(duration: float = 1.5):
+	if is_carrying_tekton:
+		return # Cannot be staggered while carrying a Tekton
+		
 	if immunity_timer > 0:
 		return # Immune!
 		
@@ -2191,6 +2194,34 @@ func sync_throw_tekton(target_pos: Vector2i):
 		
 		print("[Player %s] Threw Tekton to %s (Dist: %s)" % [name, target_pos, target_pos.distance_to(tekton.current_position)])
 
+func drop_tekton():
+	"""Drops the Tekton at the current player position immediately."""
+	if not is_multiplayer_authority() or not is_carrying_tekton:
+		return
+	
+	if is_multiplayer_authority() and can_rpc():
+		rpc("sync_drop_tekton")
+
+@rpc("any_peer", "call_local", "reliable")
+func sync_drop_tekton():
+	if carried_tekton:
+		var tekton = carried_tekton
+		carried_tekton = null
+		is_carrying_tekton = false
+		
+		# Set its position to player's current position (but on ground)
+		var drop_pos = grid_to_world(current_position)
+		tekton.global_position = drop_pos
+		
+		if tekton.has_method("set_carried"):
+			tekton.set_carried(false)
+		
+		# Trigger landing effects (minimal scale)
+		if tekton.has_method("on_thrown_landing"):
+			tekton.on_thrown_landing(self, 1.0) # Minimal scale impact
+		
+		print("[Player %s] Dropped Tekton at %s" % [name, current_position])
+
 # is_attack_mode is already declared at top of file (or inherited?)
 # Keeping is_knock_mode here for now or moving it up would be better, but let's just fix the error first.
 var is_knock_mode: bool = false # Yellow mode for knocking Tekton