feat: Introduce core game systems for special tile effects, power-up management, player movement, and initial UI screens.

launcher/server/version.json

@@ -1,8 +1,28 @@
 {
-    "latest_version": "1.0.0",
+    "latest_version": "0.9.0",
-    "minimum_launcher_version": "1.0.0",
+    "minimum_launcher_version": "0.9.0",
-    "minimum_app_version": "1.0.0",
+    "minimum_app_version": "0.9.0",
     "releases": [
+        {
+            "version": "0.9.0",
+            "date": "2026-03-09",
+            "pck_windows": {
+                "url": "https://your-host.com/releases/tekton-local-0.9.0-windows.pck",
+                "size": 52428800,
+                "checksum_md5": "",
+                "checksum_sha256": ""
+            },
+            "changelog": [
+                "Power-up spawning before countdown in Stop n Go",
+                "Fixed safe zone visuals persistence",
+                "Unified Game Over freeze for bots and players",
+                "Added wall overlap protection for spawned tiles",
+                "Restricted bot tile collection to current standing tile",
+                "Improved door visibility in Tekton Doors mode",
+                "Fixed knock logic when carrying a Tekton"
+            ],
+            "required": true
+        },
         {
             "version": "1.0.0",
             "date": "2025-12-10",

scenes/boot_screen.tscn

@@ -127,5 +127,5 @@ grow_horizontal = 0
 grow_vertical = 0
 theme_override_colors/font_color = Color(0.6, 0.6, 0.6, 0.6)
 theme_override_font_sizes/font_size = 12
-text = "v1.0.0"
+text = "v0.9.0"
 horizontal_alignment = 2

scenes/player.gd

@@ -2241,6 +2241,10 @@ var is_knock_mode: bool = false # Yellow mode for knocking Tekton
 func enter_attack_mode():
 	if not is_multiplayer_authority(): return
 	
+	if is_invisible:
+		NotificationManager.send_message(self , "Cannot enter Attack Mode while in Ghost mode!", NotificationManager.MessageType.WARNING)
+		return
+
 	is_attack_mode = true
 	is_knock_mode = false # Mutually exclusive
 	NotificationManager.send_message(self , "Attack Mode ACTIVATED (Red)", NotificationManager.MessageType.POWERUP)
@@ -2249,6 +2253,10 @@ func enter_attack_mode():
 func enter_knock_mode():
 	if not is_multiplayer_authority(): return
 	
+	if is_invisible:
+		NotificationManager.send_message(self , "Cannot enter Knock Mode while in Ghost mode!", NotificationManager.MessageType.WARNING)
+		return
+
 	is_knock_mode = true
 	is_attack_mode = false # Mutually exclusive
 	NotificationManager.send_message(self , "Knock Mode ACTIVATED (Yellow)", NotificationManager.MessageType.POWERUP)
@@ -2289,7 +2297,7 @@ func sync_bump(target_pos: Vector2i, is_soft: bool = false):
 	tween.tween_property(self, "global_position", original_pos, duration).set_trans(Tween.TRANS_QUAD).set_ease(Tween.EASE_IN)
 
 func knock_tekton():
-	if not is_multiplayer_authority() or is_frozen or is_stop_frozen:
+	if not is_multiplayer_authority() or is_frozen or is_stop_frozen or is_invisible:
 		return
 		
 	# Requirement: Full Powerup Bar (or we are already in knock mode)

scenes/ui/login_screen.tscn

@@ -241,5 +241,5 @@ grow_horizontal = 0
 grow_vertical = 0
 theme_override_colors/font_color = Color(0.6, 0.6, 0.6, 0.6)
 theme_override_font_sizes/font_size = 11
-text = "v1.0.0"
+text = "v0.9.0"
 horizontal_alignment = 2

scripts/managers/game_update_manager.gd

@@ -22,8 +22,8 @@ const IOS_STORE_URL := "https://apps.apple.com/app/tekton/id123456789"
 enum Platform { WINDOWS, LINUX, MACOS, ANDROID, IOS, WEB }
 
 # State
-var current_version: String = "1.0.0"
+var current_version: String = "0.9.0"
-var latest_version: String = "1.0.0"
+var latest_version: String = "0.9.0"
 var manifest_data: Dictionary = {}
 var http_request: HTTPRequest
 var download_request: HTTPRequest

scripts/managers/player_movement_manager.gd

@@ -156,10 +156,10 @@ func try_push(target_pos: Vector2i, direction: Vector2i) -> bool:
 		NotificationManager.send_message(player, "Target is Immune!", NotificationManager.MessageType.WARNING)
 		return false
 
-	# === NEW LOGIC: Only allow push if in ATTACK MODE ===
+	# === NEW LOGIC: Only allow push if in ATTACK MODE and NOT GHOST ===
-	if not player.get("is_attack_mode"):
+	if not player.get("is_attack_mode") or player.get("is_invisible"):
 		# Standard bumping effect (Visual only)
-		print("[Move] Push blocked: Not in attack mode (%s trying to push %s)" % [player.name, other_player.name])
+		print("[Move] Push blocked: Not in attack mode or is Ghost (%s trying to push %s)" % [player.name, other_player.name])
 		if _can_rpc():
 			player.rpc("sync_bump", target_pos, true) # Soft bump
 		elif player.has_method("sync_bump"):

scripts/managers/powerup_manager.gd

@@ -155,11 +155,15 @@ func use_special_effect() -> bool:
 	if not can_use_special():
 		return false
 	
-	# Restriction: Cannot use attack mode while carrying a Tekton
+	# Restriction: Cannot use attack mode while carrying a Tekton or in Ghost mode
 	if player.is_carrying_tekton:
 		NotificationManager.send_message(player, "Cannot enter Attack Mode while carrying a Tekton!", NotificationManager.MessageType.WARNING)
 		return false
 	
+	if player.get("is_invisible"):
+		NotificationManager.send_message(player, "Cannot enter Attack Mode while in Ghost mode!", NotificationManager.MessageType.WARNING)
+		return false
+	
 	# Enable Attack Mode explicitly
 	player.is_attack_mode = true
 	# Do NOT consume boost here. Boost acts as "fuel" for the attacks.

scripts/managers/special_tiles_manager.gd

@@ -34,7 +34,7 @@ func get_skill_affected_area(effect: int, center_pos: Vector2i) -> Array[Vector2
 	
 	match effect:
 		SpecialEffect.AREA_FREEZE:
-			# Preview 3 blocks ahead of current hover (if we ever re-enable targeting)
+			# Preview 2 blocks ahead of current hover (if we ever re-enable targeting)
 			area.append(center_pos)
 						
 		SpecialEffect.BLOCK_FLOOR:
@@ -190,6 +190,11 @@ func activate_effect(effect: int, target_player: Node3D = null):
 		print("PowerUp %s on cooldown." % SpecialEffect.keys()[effect])
 		return
 		
+	# Check Attack Mode Restriction
+	if player.get("is_attack_mode") and effect == SpecialEffect.INVISIBLE_MODE:
+		NotificationManager.send_message(player, "Cannot enter Ghost mode while in Attack Mode!", NotificationManager.MessageType.WARNING)
+		return
+
 	# Check Carrying Restriction
 	if player.get("is_carrying_tekton") and effect != SpecialEffect.FASTER_SPEED:
 		NotificationManager.send_message(player, "Cannot use this power while carrying a Tekton!", NotificationManager.MessageType.WARNING)
@@ -250,9 +255,9 @@ func _execute_area_freeze(target_pos: Vector2i = Vector2i.ZERO):
 	
 	if center_pos == Vector2i.ZERO:
 		# Calculate distance ahead based on Level
-		# Gap of 3 floors = 4 tiles ahead
+		# Gap of 2 floors = 3 tiles ahead
-		# Gap of 5 floors = 6 tiles ahead
+		# Gap of 4 floors = 5 tiles ahead
-		var distance = 4 if current_lvl < 5 else 6
+		var distance = 3 if current_lvl < 5 else 5
 		
 		var movement = player.movement_manager
 		if movement and movement.current_move_direction != Vector2i.ZERO:

version.txt

@@ -1 +1 @@
-1.0.0
+0.9.0