feat: Establish initial game structure including lobby, UI, and core gameplay managers.

scripts/managers/powerup_manager.gd

@@ -3,13 +3,17 @@ extends Node
 # PowerUpManager - Handles Boost Meter (Time-based logic)
 # Note: Inventory logic is now in SpecialTilesManager + PlayerboardManager
 
-const MAX_BOOST: float = 100.0
-const BASE_FILL_RATE: float = 4.0 # 4 points per second baseline (25s to full)
+const MAX_BOOST: float = 100.0 # Fills to 100. Activation requires FULL bar (>= 100).
+const BASE_FILL_RATE: float = 10.0 # 10 points per second (10s to full) - user requested faster/simpler
 
 var player: Node3D
 var enhanced_gridmap: Node
 var goal_manager: Node
 
+# Progressive Difficulty Settings
+const FILL_TIMES: Array = [2.0, 3.0, 4.0, 5.0, 6.0, 7.5, 8.5, 10.0] # Seconds to full for Lvl 1-8 (2s to 10s)
+var current_level: int = 1
+
 # Boost State
 var current_boost: float = 0.0
 
@@ -49,7 +53,13 @@ func _process(delta):
 			# Use authority ID for lookup
 			multiplier = goal_manager.get_boost_multiplier(player.get_multiplayer_authority())
 			
-		current_boost += BASE_FILL_RATE * multiplier * delta
+		# Calculate Dynamic Fill Rate based on Level
+		# Level 1 (Index 0) -> Level 8 (Index 7)
+		var level_idx = clamp(current_level - 1, 0, FILL_TIMES.size() - 1)
+		var fill_time = FILL_TIMES[level_idx]
+		var current_rate = MAX_BOOST / fill_time # e.g. 100/10 = 10/s, 100/60 = 1.66/s
+		
+		current_boost += current_rate * multiplier * delta
 		current_boost = min(current_boost, MAX_BOOST)
 		
 		# Update UI (Cast to int for compatibility with existing UI slider/bar)
@@ -59,7 +69,7 @@ func _process(delta):
 			_on_boost_full()
 
 func _on_boost_full():
-	player.is_attack_mode = true
+	# player.is_attack_mode = true # Removed auto-activate
 	emit_signal("bar_filled")
 	NotificationManager.send_message(player, NotificationManager.MESSAGES.ATTACK_MODE_READY, NotificationManager.MessageType.POWERUP)
 	print("[PowerUp] Player %s Boost Full! Entering Attack Mode." % player.name)
@@ -69,7 +79,7 @@ func _on_boost_full():
 
 func reset_boost():
 	current_boost = 0.0
-	player.is_attack_mode = false
+	# player.is_attack_mode = false # Do not auto-disable here, managed by usage
 	emit_signal("points_changed", 0, int(MAX_BOOST))
 	emit_signal("boost_reset")
 	
@@ -104,15 +114,51 @@ func get_fill_percentage() -> float:
 	return current_boost / MAX_BOOST
 
 func can_use_special() -> bool:
-	return current_boost >= MAX_BOOST
+	# Use small epsilon for float comparison to avoid "99.999" issues
+	return current_boost >= (MAX_BOOST - 0.1)
+
+func enable_attack_mode():
+	"""Enable Attack Mode without consuming boost."""
+	player.is_attack_mode = true
+	NotificationManager.send_message(player, NotificationManager.MESSAGES.ATTACK_MODE_READY, NotificationManager.MessageType.POWERUP)
+	print("[PowerUp] Attack Mode Enabled (Free).")
 
 func use_special_effect() -> bool:
 	if not can_use_special():
 		return false
 	
-	# Consume boost
-	reset_boost()
+	# Enable Attack Mode explicitly
+	player.is_attack_mode = true
+	# Do NOT consume boost here. Boost acts as "fuel" for the attacks.
+	# Notification check handled by caller or signal
 	return true
+	
+func consume_boost(amount: float):
+	"""Consume a specific amount of boost."""
+	current_boost -= amount
+	if current_boost <= 0:
+		current_boost = 0.0
+		player.is_attack_mode = false # Out of fuel
+		emit_signal("boost_reset") # UI update for empty
+		print("[PowerUp] Boost depleted. Attack Mode OFF.")
+	
+	emit_signal("points_changed", int(current_boost), int(MAX_BOOST))
+	
+	if player.is_multiplayer_authority():
+		rpc("sync_boost", current_boost)
+
+func spawn_boost_reward() -> bool:
+	"""Alternative Boost Usage: Spawn a PowerUp Tile properly."""
+	if not can_use_special():
+		return false
+		
+	if player.special_tiles_manager and player.special_tiles_manager.has_method("spawn_powerups_around"):
+		player.special_tiles_manager.spawn_powerups_around(player.current_position)
+		reset_boost() # Consumes full bar
+		print("[PowerUp] %s used Boost to SPAWN ITEM." % player.name)
+		return true
+	
+	return false
 
 func acquire_smash_bonus():
 	current_boost += 25.0 # Add 25% boost
@@ -122,8 +168,12 @@ func acquire_smash_bonus():
 		_on_boost_full()
 
 func add_goal_completion_reward():
-	current_boost += 50.0 # Reward for completing goal
-	current_boost = min(current_boost, MAX_BOOST)
-	emit_signal("points_changed", int(current_boost), int(MAX_BOOST))
-	if current_boost >= MAX_BOOST:
-		_on_boost_full()
+	"""Called when player completes a goal board. Increases difficulty level."""
+	current_level += 1
+	if current_level > 8:
+		current_level = 8
+		
+	var level_idx = clamp(current_level - 1, 0, FILL_TIMES.size() - 1)
+	print("[PowerUp] Player %s Completed Goal. Boost Level Up! Now: %d (Fill Time: %.1fs)" % [player.name, current_level, FILL_TIMES[level_idx]])
+	
+	# Optional: Notify user of difficulty increase?