Add engine flames, damage numbers, nameplates, music, and combat/collision fixes

Feature work (CLAUDE.md items 17-18):
- Race roster art rework (Apex/ISN/ORC) plus per-ship engine-flame sprites
  that swap in on thrust
- Floating damage-number VFX, per-ship nameplates, energy bar rework
- Background music manager and per-race ship SFX

Bugfixes/tuning from live testing:
- No friendly fire: bullets stop on a teammate's hull but deal no damage
  (bullet.gd), decided by race via PlayerRegistry
- Ships no longer physically block each other (own collision layer,
  ship.tscn/bullet.tscn) -- fixes ramming/parking trolling and the stuck-on-
  corpse bug after a kill
- Explosions ghost any ship's sprite passing through instead of blocking it
  (effects/explosion.gd's GhostArea)
- Fixed two "flushing physics queries" crashes from the above: explosion
  spawn and death/respawn collision toggling are now deferred
  (ship_movement.gd)
- Dead ships stop blocking bullets during their respawn delay
- Bots fly a mixed roster (1 Tank + 2 Gunner + rest Fighter per team)
  instead of always the Fighter (bot_manager.gd)
- Camera zoom knob, larger/longer-lived damage numbers and nameplate text,
  red (not yellow) enemy name color for better contrast

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

CLAUDE.md

@@ -38,6 +38,8 @@ README for how to run/extend it.
 16. **Real game-server pool (self-registration + heartbeat + stale sweep)** — `NetworkManager.host_server()` now calls the new `MatchmakingClient.register_server()` once on boot and then every `HEARTBEAT_INTERVAL` (8s) via a `Timer`, reporting live `PlayerRegistry.players.size()`/`MAX_PLAYERS` — item 15's demo-seeded rows are no longer the only thing populating `GET /servers`; a real server registering on the same `(ip, port, mode)` as a demo row just takes it over in place, no special-casing needed. `--server-ip=` is a new cmdline arg for the IP a hosted server advertises (defaults to loopback for local dev — see the reachability note already in `matchmaking-api/README.md` about `DEV_SEED_SERVER_IP`, same constraint applies here). API-side, `POST /servers/register` now computes `status` from `player_count`/`max_players` (`full` vs `available`) instead of always writing `available`, and a new background loop (`sweep_stale_servers` in `app/routers/servers.py`, run every 5s from `main.py`'s lifespan) marks any server `offline` once its `last_heartbeat` exceeds `server_stale_seconds` (20s) — catches a crashed/killed server that never got to deregister cleanly, so a dead server doesn't sit in the list looking joinable forever. `menu/server_select.gd`'s connect button now also blocks (with a message) on `status == "full"`, not just `"offline"`.
 17. **Race roster replaced (Terran/Mechanos/Vorg → Apex Dynamics/Inner Sphere Navy/Outer Rim Collective)** — `team_select.gd`'s `RACES` now points at the 3 factions from `overview/racesclasses.md`'s pivot, each with a 3-ship Fighter/Gunner/Tank roster (Lancet/Pulsar/Sovereign, Patriot/Barrage/Behemoth, Rail-Jack/Scrap-Spitter/Iron-Clad) instead of the old 5-ship Interceptor/Gunship/Bomber/Support/Heavy set; `SPEED_BY_ROLE` shrunk to match. Art was extracted from 3 user-provided concept sheets (originally dropped at `assets/images/ship/`, now cropped per-ship into `assets/images/ships/apex|isn|orc/` with a `source/` copy of each sheet, same convention as the old race folders) — background removed via flood-fill + largest-connected-component matting (plain background for Apex, starfield for ORC, grid-lined UI panels for ISN, each needing different thresholding). ISN and ORC's source art was drawn nose-*sideways*; both were rotated 90° before saving since this project's ship rotation convention is nose-up at `rotation = 0` (`Vector2.UP.rotated(rotation)` in `ship_movement.gd`) — Apex's source art was already nose-up. `scale` values were computed with the same per-role target-on-screen-height normalization the old roster used (Fighter/Gunner/Tank targets reuse the old Interceptor/Gunship/Heavy heights, ~52.5/58.5/82.5px) so ship sizes read consistently across factions. Verified by hosting a real server and screenshotting bot fill flying with the new sprites — no load errors, transparency and nose-up orientation both correct. The old `terran/mech/vorg` asset folders are left on disk but unreferenced (no code points at them); not deleted since that wasn't asked for.
 
+18. **Engine-flame sprite swap on thrust** — 6 of item 17's 9 ships (ISN's Patriot/Barrage/Behemoth, ORC's Rail-Jack/Scrap-Spitter/Iron-Clad) gained a second `_flame.png` sprite alongside their idle one, cropped from the same concept sheets' flame-frame columns (ISN's sheet has a clean idle/flame pair per ship; ORC's only unambiguous case was Rail-Jack's brighter 3rd-column flame, so Scrap-Spitter/Iron-Clad's flame PNGs are just copies of their idle sprite for now — their sheet's other columns are damage/weapon-fire poses, not more exhaust). Behemoth's flame was composited from two separate sheet crops (clean idle hull + a flame-only crop of just its thrusters) rather than cropped directly, since the sheet's flame frame has a large red shield-ability graphic overlapping the hull that isn't exhaust. Apex's 3 ships (Lancet/Pulsar/Sovereign) have no flame art — their concept sheet never drew a thrust pose — so they're untouched and always show their one sprite. Wired into gameplay via a new optional `flame_path` per ship in `team_select.gd`'s `RACES`, threaded through `PlayerRegistry` (`submit_local_loadout`/`register_bot`/the loadout RPCs, new `ship_flame_path` field, default `""`) so bots and remote peers all get it too, not just the local owner. `ship_movement.gd`'s `_set_thrust_sprite()` swaps the `Sprite2D` texture based on whether the up/down thrust key is *currently held*, not current speed — this game's movement has no drag, so a first cut keyed off `velocity.length()` left the flame on long after letting off the gas since a released ship keeps drifting at speed. The owner predicts this locally the instant it samples input (`_owner_tick`); the server does the same for bots/itself (`_server_tick`) and broadcasts its authoritative value as a new `thrusting` bool on the existing `_receive_state` RPC so every other peer's view of a ship — which never sees raw input, only replicated state — stays in sync too, with no separate RPC needed. Ships with no `flame_path` (Apex) just skip the check entirely (`_flame_texture == null` short-circuits).
+
 ## Current Tasks
 
 - [ ] Asteroids and environment hazards

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@@ -10,22 +10,34 @@ var ship_rotation_speed: float = 1.0
 var ship_rotation_ramp_delay: float = 0.15
 var ship_rotation_speed_held: float = 2.0
 
-# Shooting
+# Shooting — damage/energy cost/bullet count all scale per-role (Fighter/
+# Gunner/Tank, see menu/team_select.gd's RACES "role" field); Gunner and Tank
+# fire their bullets in a side-by-side pair instead of Fighter's single shot
+# (see ship_movement.gd's _server_process_shoot()).
 var ship_fire_rate: float = 0.15
 var bullet_speed: float = 450.0
+var ship_bullet_damage_by_role: Dictionary = {"Fighter": 100, "Gunner": 25, "Tank": 50}
+var ship_bullet_count_by_role: Dictionary = {"Fighter": 1, "Gunner": 2, "Tank": 2}
+var bullet_side_spacing: float = 14.0
+var bullet_max_range: float = 1500.0
+
+# Per-shot sound effect (menu/team_select.gd's RACES "sound_path" field, one
+# shared clip per faction) — max_distance is in world/pixel units, same as
+# AudioStreamPlayer2D expects, so only ships within this radius of the shot
+# actually hear it (see world.gd's _play_shoot_sound()).
+var ship_shoot_sound_max_distance: float = 500.0
 
 # Health & respawn
 var ship_max_health: int = 100
 var ship_respawn_delay: float = 3.0
 var ship_invincibility_time: float = 2.0
-var bullet_damage: int = 40
 
 # Energy (see ships/ship_movement.gd) — max energy scales by ship role
 # (Fighter/Gunner/Tank, see menu/team_select.gd's RACES ship "role" field);
 # regen is a flat rate regardless of role, so bigger ships take longer to
 # top off from empty than smaller ones.
 var ship_max_energy_by_role: Dictionary = {"Fighter": 100.0, "Gunner": 150.0, "Tank": 250.0}
-var bullet_energy_cost: float = 75.0
+var ship_bullet_energy_cost_by_role: Dictionary = {"Fighter": 75.0, "Gunner": 25.0, "Tank": 50.0}
 var ship_energy_regen_rate: float = 100.0 / 2.5  # 100 energy per 2.5s
 
 # Environment collision (asteroids only) — bounce-back and impact damage scale with impact speed
@@ -38,6 +50,11 @@ var ship_collision_damage_scale: float = 0.064
 # balanced per-role values, just scales the end result uniformly.
 var ship_scale_factor: float = 0.75
 
+# How much of the sprite's own texture bounds its collision capsule covers
+# (see ship_movement.gd's _update_collision_shape()) — under 1.0 to stay
+# inside the hull's soft/anti-aliased edge instead of the full texture rect.
+var ship_hitbox_scale: float = 0.85
+
 # Explosion VFX (effects/explosion.gd) — one shared knob to resize every
 # explosion in the game at once; explosion_fps controls playback speed of the
 # 12-frame animation (see assets/images/effects/explosion/). Each frame is
@@ -48,6 +65,35 @@ var ship_scale_factor: float = 0.75
 var explosion_scale: float = 0.75
 var explosion_fps: float = 24.0  # 60 ticks / 24.0 fps = 2.5s total
 
+# Damage-number VFX (effects/damage_number.gd) — floating "(amount)" combat
+# text shown only to the attacker when their shot lands, not broadcast to
+# every peer like the kill feed (see ship_movement.gd's
+# _notify_damage_dealt()/_show_damage_number()).
+var damage_number_rise_distance: float = 36.0
+var damage_number_duration: float = 1.4
+var damage_number_font_size: int = 34
+var damage_number_color: Color = Color(0.95, 0.15, 0.15)
+
+# Shared white/teammate vs. red/enemy color scheme -- used by both the
+# top-left roster (hud/player_list.gd) and in-world ship nameplates
+# (ships/ship_movement.gd) so the two always agree. Was a yellow enemy_color
+# that read too close to white/teammate at a glance; red is unambiguous.
+var team_color: Color = Color(0.92, 0.95, 1.0)
+var enemy_color: Color = Color(0.95, 0.25, 0.25)
+
+# In-world ship nameplate (ships/ship_movement.gd) -- offset from ship center
+# so it sits at the bottom-right of the sprite rather than directly under it
+# (keeps it clear of the engine flame and doesn't read as a health-bar-like
+# element stacked straight below).
+var ship_nameplate_offset: Vector2 = Vector2(26, 24)
+var ship_nameplate_font_size: int = 18
+
+# One shared knob for the local player's view distance -- Camera2D.zoom below
+# 1.0 shows more world per screen pixel (zoomed out), above 1.0 shows less
+# (zoomed in). Applied once in ship_movement.gd's _ready() to the owner's own
+# Camera2D only; doesn't affect any other peer's view.
+var camera_zoom: float = 0.85
+
 # Locally-remembered callsign, pre-fills the name field on the menu.
 # Race/ship/speed are per-peer now — see PlayerRegistry.
 var player_name: String = ""

spacewar/autoload/music_manager.gd

@@ -0,0 +1,44 @@
+extends Node
+
+# Background music for the pre-game screens (main menu, server select, and
+# the in-world "LOADING MATCH..." screen up to a player's first-ever ship
+# pick). One shared autoload — rather than a player per-scene — so the track
+# keeps playing seamlessly across scene changes instead of restarting on
+# every menu->menu transition (main_menu.tscn/server_select.tscn are swapped
+# in whole via change_scene_to_file, which frees everything in the old scene).
+const MENU_MUSIC: AudioStream = preload("res://assets/sound/menu/MyVeryOwnDeadShip.ogg")
+const FADE_TIME := 1.2
+const PLAY_VOLUME_DB := -8.0
+const FADE_OUT_VOLUME_DB := -40.0
+
+var _player: AudioStreamPlayer
+var _fade_tween: Tween
+
+
+func _ready() -> void:
+	_player = AudioStreamPlayer.new()
+	_player.stream = MENU_MUSIC
+	_player.volume_db = PLAY_VOLUME_DB
+	add_child(_player)
+	_player.finished.connect(_player.play)  # loop the track
+
+
+# Idempotent — safe to call from every pre-game screen's _ready() without
+# restarting the track if it's already playing (or resuming from a fade the
+# player interrupted, e.g. quitting straight back to the menu mid-fade-out).
+func play_menu_music() -> void:
+	if _fade_tween and _fade_tween.is_running():
+		_fade_tween.kill()
+	_player.volume_db = PLAY_VOLUME_DB
+	if not _player.playing:
+		_player.play()
+
+
+func stop_menu_music() -> void:
+	if not _player.playing:
+		return
+	if _fade_tween:
+		_fade_tween.kill()
+	_fade_tween = create_tween()
+	_fade_tween.tween_property(_player, "volume_db", FADE_OUT_VOLUME_DB, FADE_TIME)
+	_fade_tween.tween_callback(_player.stop)

spacewar/autoload/music_manager.gd.uid

@@ -0,0 +1 @@
+uid://b3igqhi4jnw8h

spacewar/autoload/player_registry.gd

@@ -17,7 +17,7 @@ signal player_joined(peer_id: int)
 # race is already overwritten in `players`.
 signal race_changed(peer_id: int, old_race: int, new_race: int)
 
-var players: Dictionary = {}  # peer_id -> {name, race, ship_path, ship_scale, ship_speed_factor, role}
+var players: Dictionary = {}  # peer_id -> {name, race, ship_path, ship_scale, ship_speed_factor, role, ship_flame_path, ship_sound_path}
 
 
 func _ready() -> void:
@@ -32,18 +32,18 @@ func get_info(peer_id: int) -> Dictionary:
 	return players.get(peer_id, {})
 
 
-func submit_local_loadout(player_name: String, race: int, ship_path: String, ship_scale: float, ship_speed_factor: float, role: String) -> void:
+func submit_local_loadout(player_name: String, race: int, ship_path: String, ship_scale: float, ship_speed_factor: float, role: String, ship_flame_path: String = "", ship_sound_path: String = "") -> void:
-	submit_loadout.rpc(player_name, race, ship_path, ship_scale, ship_speed_factor, role)
+	submit_loadout.rpc(player_name, race, ship_path, ship_scale, ship_speed_factor, role, ship_flame_path, ship_sound_path)
 
 
 # Server-only: registers a bot's loadout the same way a real player's
 # submit_loadout would (minus the backfill, since a fresh bot has nothing to
 # learn), broadcasting to every connected peer so bots render identically to
 # human ships on every client. See bots/bot_manager.gd.
-func register_bot(peer_id: int, bot_name: String, race: int, ship_path: String, ship_scale: float, ship_speed_factor: float, role: String) -> void:
+func register_bot(peer_id: int, bot_name: String, race: int, ship_path: String, ship_scale: float, ship_speed_factor: float, role: String, ship_flame_path: String = "", ship_sound_path: String = "") -> void:
 	for pid in multiplayer.get_peers():
-		_receive_loadout.rpc_id(pid, peer_id, bot_name, race, ship_path, ship_scale, ship_speed_factor, role)
+		_receive_loadout.rpc_id(pid, peer_id, bot_name, race, ship_path, ship_scale, ship_speed_factor, role, ship_flame_path, ship_sound_path)
-	_store(peer_id, bot_name, race, ship_path, ship_scale, ship_speed_factor, role)
+	_store(peer_id, bot_name, race, ship_path, ship_scale, ship_speed_factor, role, ship_flame_path, ship_sound_path)
 
 
 func unregister_bot(peer_id: int) -> void:
@@ -54,32 +54,32 @@ func unregister_bot(peer_id: int) -> void:
 # the new loadout to everyone else, and backfills the newcomer with everyone
 # else's already-known loadout.
 @rpc("any_peer", "call_local", "reliable")
-func submit_loadout(player_name: String, race: int, ship_path: String, ship_scale: float, ship_speed_factor: float, role: String) -> void:
+func submit_loadout(player_name: String, race: int, ship_path: String, ship_scale: float, ship_speed_factor: float, role: String, ship_flame_path: String = "", ship_sound_path: String = "") -> void:
 	var sender_id := multiplayer.get_remote_sender_id()
 	if sender_id == 0:
 		sender_id = multiplayer.get_unique_id()
 
 	if not multiplayer.is_server():
-		_store(sender_id, player_name, race, ship_path, ship_scale, ship_speed_factor, role)
+		_store(sender_id, player_name, race, ship_path, ship_scale, ship_speed_factor, role, ship_flame_path, ship_sound_path)
 		return
 
 	for peer_id in multiplayer.get_peers():
 		if peer_id != sender_id:
-			_receive_loadout.rpc_id(peer_id, sender_id, player_name, race, ship_path, ship_scale, ship_speed_factor, role)
+			_receive_loadout.rpc_id(peer_id, sender_id, player_name, race, ship_path, ship_scale, ship_speed_factor, role, ship_flame_path, ship_sound_path)
 	for peer_id in players:
 		if peer_id != sender_id:
 			var info: Dictionary = players[peer_id]
-			_receive_loadout.rpc_id(sender_id, peer_id, info.name, info.race, info.ship_path, info.ship_scale, info.ship_speed_factor, info.role)
+			_receive_loadout.rpc_id(sender_id, peer_id, info.name, info.race, info.ship_path, info.ship_scale, info.ship_speed_factor, info.role, info.get("ship_flame_path", ""), info.get("ship_sound_path", ""))
 
-	_store(sender_id, player_name, race, ship_path, ship_scale, ship_speed_factor, role)
+	_store(sender_id, player_name, race, ship_path, ship_scale, ship_speed_factor, role, ship_flame_path, ship_sound_path)
 
 
 @rpc("authority", "call_remote", "reliable")
-func _receive_loadout(peer_id: int, player_name: String, race: int, ship_path: String, ship_scale: float, ship_speed_factor: float, role: String) -> void:
+func _receive_loadout(peer_id: int, player_name: String, race: int, ship_path: String, ship_scale: float, ship_speed_factor: float, role: String, ship_flame_path: String = "", ship_sound_path: String = "") -> void:
-	_store(peer_id, player_name, race, ship_path, ship_scale, ship_speed_factor, role)
+	_store(peer_id, player_name, race, ship_path, ship_scale, ship_speed_factor, role, ship_flame_path, ship_sound_path)
 
 
-func _store(peer_id: int, player_name: String, race: int, ship_path: String, ship_scale: float, ship_speed_factor: float, role: String) -> void:
+func _store(peer_id: int, player_name: String, race: int, ship_path: String, ship_scale: float, ship_speed_factor: float, role: String, ship_flame_path: String = "", ship_sound_path: String = "") -> void:
 	var old_race: int = players.get(peer_id, {}).get("race", 0)
 	players[peer_id] = {
 		"name": player_name,
@@ -88,6 +88,8 @@ func _store(peer_id: int, player_name: String, race: int, ship_path: String, shi
 		"ship_scale": ship_scale,
 		"ship_speed_factor": ship_speed_factor,
 		"role": role,
+		"ship_flame_path": ship_flame_path,
+		"ship_sound_path": ship_sound_path,
 	}
 	print("[PlayerRegistry] peer %d loadout: %s" % [peer_id, players[peer_id]])
 	loadout_updated.emit(peer_id)

spacewar/bots/bot_manager.gd

@@ -62,7 +62,7 @@ func _reconcile_race(race_id: int) -> void:
 	var desired: int = max(0, GameConfig.bot_min_team_size - humans)
 	var current: Array = _bots_by_race.get(race_id, [])
 	while current.size() < desired:
-		current.append(_spawn_bot(race_id))
+		current.append(_spawn_bot(race_id, current.size()))
 	while current.size() > desired:
 		_despawn_bot(current.pop_back())
 	_bots_by_race[race_id] = current
@@ -76,15 +76,16 @@ func _count_humans(race_id: int) -> int:
 	return count
 
 
-func _spawn_bot(race_id: int) -> int:
+func _spawn_bot(race_id: int, slot_index: int) -> int:
 	var bot_id := _next_bot_id
 	_next_bot_id -= 1
 
 	var race := _find_race(race_id)
-	var ship_def: Dictionary = race.ships[0]  # bots always fly the race's fighter (Interceptor)
+	var ship_def: Dictionary = _bot_ship_def(race, slot_index)
 	PlayerRegistry.register_bot(
 		bot_id, BotNames.random_name(), race_id,
-		ship_def.path, ship_def.scale, ship_def.speed_factor, ship_def.role
+		ship_def.path, ship_def.scale, ship_def.speed_factor, ship_def.role,
+		ship_def.get("flame_path", ""), ship_def.get("sound_path", "")
 	)
 
 	var ship_node := _world.spawn_peer(bot_id) as Ship
@@ -93,6 +94,27 @@ func _spawn_bot(race_id: int) -> int:
 	return bot_id
 
 
+# Bots used to always fly the race's Fighter (ships[0]); now the first-spawned
+# bot on a team flies its Tank, the next two fly its Gunner, and every bot
+# after that flies its Fighter -- so a fully bot-filled team always has at
+# least 1 Tank + 2 Gunner "backbone" instead of reading as an all-Fighter
+# swarm. Keyed off slot_index (this bot's position within its race's bot
+# array, before it's appended -- see _reconcile_race()) rather than the
+# team's current size, so growing/shrinking the roster never reshuffles an
+# already-spawned bot's ship: _reconcile_race() only ever adds at the tail
+# and removes from the tail (pop_back()), so the Tank/Gunner bots spawned
+# into the earliest slots are always the last ones cut as humans join.
+# Relies on team_select.gd's RACES ship order being [Fighter, Gunner, Tank]
+# for every faction.
+func _bot_ship_def(race: Dictionary, slot_index: int) -> Dictionary:
+	if slot_index == 0:
+		return race.ships[2]  # Tank
+	elif slot_index <= 2:
+		return race.ships[1]  # Gunner
+	else:
+		return race.ships[0]  # Fighter
+
+
 func _despawn_bot(bot_id: int) -> void:
 	_world.despawn_peer(bot_id)
 	PlayerRegistry.unregister_bot(bot_id)

spacewar/effects/damage_number.gd

@@ -0,0 +1,32 @@
+extends Label
+class_name DamageNumber
+
+# Floating "(amount)" combat text shown only to the attacker when their shot
+# lands (see ships/ship_movement.gd's _notify_damage_dealt()) — purely
+# cosmetic and spawned locally on whichever peer it's told to appear for,
+# same "no networked node needed" approach as effects/explosion.gd.
+var amount: int = 0
+
+const BOX_SIZE := Vector2(80, 24)
+
+
+func _ready() -> void:
+	text = "(%d)" % amount
+	add_theme_font_size_override("font_size", GameConfig.damage_number_font_size)
+	add_theme_color_override("font_color", GameConfig.damage_number_color)
+	add_theme_color_override("font_outline_color", Color(0, 0, 0, 0.8))
+	add_theme_constant_override("outline_size", 3)
+	mouse_filter = Control.MOUSE_FILTER_IGNORE
+	horizontal_alignment = HORIZONTAL_ALIGNMENT_CENTER
+	vertical_alignment = VERTICAL_ALIGNMENT_CENTER
+	custom_minimum_size = BOX_SIZE
+	size = BOX_SIZE
+	# global_position was set to the hit point by the spawner; center the box
+	# on it instead of growing down-right from it.
+	global_position -= BOX_SIZE / 2.0
+
+	var tween := create_tween()
+	tween.set_parallel(true)
+	tween.tween_property(self, "position:y", position.y - GameConfig.damage_number_rise_distance, GameConfig.damage_number_duration)
+	tween.tween_property(self, "modulate:a", 0.0, GameConfig.damage_number_duration)
+	tween.chain().tween_callback(queue_free)

spacewar/effects/damage_number.gd.uid

@@ -0,0 +1 @@
+uid://cj8fpi6biykj1

spacewar/effects/damage_number.tscn

@@ -0,0 +1,6 @@
+[gd_scene format=3]
+
+[ext_resource type="Script" path="res://effects/damage_number.gd" id="1"]
+
+[node name="DamageNumber" type="Label"]
+script = ExtResource("1")

spacewar/effects/explosion.gd

@@ -5,6 +5,14 @@ class_name Explosion
 # one shared knob for resizing every explosion in the game at once).
 @export var scale_override: float = 0.0
 
+# Ships no longer collide with each other (see ship.tscn's collision layers),
+# but flying straight through an explosion's sprite still looked wrong, so
+# GhostArea (a child Area2D, scaled along with this node) hides any ship's
+# sprite while it overlaps and restores it on exit. Tracked here so a ship
+# still inside when this explosion despawns gets un-ghosted rather than
+# stuck invisible.
+var _ghosted_ships: Array = []
+
 
 func _ready() -> void:
 	var s: float = scale_override if scale_override > 0.0 else GameConfig.explosion_scale
@@ -12,3 +20,25 @@ func _ready() -> void:
 	sprite_frames.set_animation_speed("explode", GameConfig.explosion_fps)
 	play("explode")
 	animation_finished.connect(queue_free)
+
+	var ghost_area := get_node("GhostArea") as Area2D
+	ghost_area.body_entered.connect(_on_body_entered)
+	ghost_area.body_exited.connect(_on_body_exited)
+
+
+func _on_body_entered(body: Node) -> void:
+	if body.has_method("set_ghosted"):
+		body.set_ghosted(true)
+		_ghosted_ships.append(body)
+
+
+func _on_body_exited(body: Node) -> void:
+	if body.has_method("set_ghosted"):
+		body.set_ghosted(false)
+	_ghosted_ships.erase(body)
+
+
+func _exit_tree() -> void:
+	for ship in _ghosted_ships:
+		if is_instance_valid(ship):
+			ship.set_ghosted(false)

spacewar/effects/explosion.tscn

@@ -14,6 +14,9 @@
 [ext_resource type="Texture2D" path="res://assets/images/effects/explosion/explosion_11.png" id="12_expl11"]
 [ext_resource type="Texture2D" path="res://assets/images/effects/explosion/explosion_12.png" id="13_expl12"]
 
+[sub_resource type="CircleShape2D" id="CircleShape2D_expl01"]
+radius = 45.0
+
 [sub_resource type="SpriteFrames" id="SpriteFrames_expl01"]
 animations = [{
 "frames": [{
@@ -63,3 +66,10 @@ sprite_frames = SubResource("SpriteFrames_expl01")
 animation = &"explode"
 autoplay = ""
 script = ExtResource("1_expl01")
+
+[node name="GhostArea" type="Area2D" parent="."]
+collision_layer = 0
+collision_mask = 2
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="GhostArea"]
+shape = SubResource("CircleShape2D_expl01")

spacewar/hud/energy_bar.gd

@@ -1,16 +1,20 @@
 extends CanvasLayer
 
-# Blue "mirrored" energy bar, top-middle of the screen: the filled region is
+# "Mirrored" stat bar, top-middle of the screen: the filled region is
 # centered in the bar's full extent, so it shrinks toward the middle from
-# both edges as energy drains, instead of draining left-to-right like a
+# both edges as the stat drains, instead of draining left-to-right like a
-# normal bar. Driven by Ship._update_hud() calling set_fill() with the local
+# normal bar. Driven by Ship._update_hud() calling set_fill() with a
-# player's energy/max_energy fraction (see ships/ship_movement.gd).
+# health/max_health or energy/max_energy fraction (see ships/ship_movement.gd).
+# Reused for both the HealthBar and EnergyBar instances in world.tscn — fill
+# color and vertical stacking position are per-instance overrides of the
+# exports below (health above energy).
 
 const BAR_WIDTH := 300.0
 const BAR_HEIGHT := 14.0
-const MARGIN_TOP := 20.0
 const COLOR_BG := Color(0.15, 0.18, 0.25, 0.6)
-const COLOR_FILL := Color(0.25, 0.55, 1.0, 0.95)
+
+@export var margin_top: float = 20.0
+@export var fill_color: Color = Color(0.25, 0.55, 1.0, 0.95)
 
 var _fill: ColorRect
 
@@ -29,8 +33,8 @@ func _build_ui() -> void:
 	container.anchor_bottom = 0.0
 	container.offset_left = -BAR_WIDTH / 2.0
 	container.offset_right = BAR_WIDTH / 2.0
-	container.offset_top = MARGIN_TOP
+	container.offset_top = margin_top
-	container.offset_bottom = MARGIN_TOP + BAR_HEIGHT
+	container.offset_bottom = margin_top + BAR_HEIGHT
 	container.mouse_filter = Control.MOUSE_FILTER_IGNORE
 	add_child(container)
 
@@ -44,7 +48,7 @@ func _build_ui() -> void:
 	container.add_child(bg)
 
 	_fill = ColorRect.new()
-	_fill.color = COLOR_FILL
+	_fill.color = fill_color
 	_fill.mouse_filter = Control.MOUSE_FILTER_IGNORE
 	container.add_child(_fill)
 

spacewar/hud/energy_bar.gd.uid

@@ -0,0 +1 @@
+uid://dx6kcvxxca00e

spacewar/hud/player_list.gd

@@ -2,18 +2,15 @@ extends CanvasLayer
 
 # Top-left roster of every connected player (human + bot). White entries are
 # on the local player's team (same race — races double as teams, see
-# TeamSelect), yellow entries are the enemy team. Bots (negative peer_id, see
+# TeamSelect), red entries are the enemy team. Bots (negative peer_id, see
 # bots/bot_manager.gd) get a trailing " (b)". Rebuilt whenever
 # PlayerRegistry's roster changes rather than polled every frame.
 
 const MARGIN_X := 16.0
-const MARGIN_TOP := 90.0  # below HUD/HealthBar + HUD/EnergyBar, which occupy y 20-74
+const MARGIN_TOP := 90.0
 const WIDTH := 220.0
 const HEIGHT := 260.0
 
-const TEAM_COLOR := Color(0.92, 0.95, 1.0)
-const ENEMY_COLOR := Color(0.95, 0.85, 0.25)
-
 var _list: RichTextLabel
 
 
@@ -85,7 +82,7 @@ func _refresh() -> void:
 	for peer_id in peer_ids:
 		var info: Dictionary = PlayerRegistry.players[peer_id]
 		var is_teammate: bool = info.get("race", 0) == local_race
-		var color := TEAM_COLOR if is_teammate else ENEMY_COLOR
+		var color := GameConfig.team_color if is_teammate else GameConfig.enemy_color
 		var name_text := _escape_bbcode(String(info.get("name", "")))
 		if peer_id < 0:
 			name_text += " (b)"

spacewar/hud/stat_bar.gd

@@ -1,39 +0,0 @@
-extends Control
-
-# Simple left-to-right stat bar for the top-left HUD (HealthBar/EnergyBar in
-# world.tscn's HUD node) — fill shrinks from the right as the stat depletes.
-# Contrast hud/energy_bar.gd's top-middle bar, which drains from both edges
-# toward the center instead.
-
-@export var fill_color: Color = Color(0.3, 0.85, 0.35, 0.95)
-@export var bg_color: Color = Color(0.12, 0.14, 0.18, 0.6)
-
-var _fill: ColorRect
-
-
-func _ready() -> void:
-	mouse_filter = Control.MOUSE_FILTER_IGNORE
-
-	var bg := ColorRect.new()
-	bg.color = bg_color
-	bg.set_anchors_and_offsets_preset(Control.PRESET_FULL_RECT)
-	bg.mouse_filter = Control.MOUSE_FILTER_IGNORE
-	add_child(bg)
-
-	_fill = ColorRect.new()
-	_fill.color = fill_color
-	_fill.mouse_filter = Control.MOUSE_FILTER_IGNORE
-	_fill.set_anchors_and_offsets_preset(Control.PRESET_FULL_RECT)
-	add_child(_fill)
-	set_fill(1.0)
-
-
-# frac in [0, 1]; anchor_right (not an explicit pixel width) so the fill
-# tracks this control's actual size regardless of window width.
-func set_fill(frac: float) -> void:
-	if _fill == null:
-		return
-	_fill.anchor_left = 0.0
-	_fill.anchor_right = clampf(frac, 0.0, 1.0)
-	_fill.offset_left = 0.0
-	_fill.offset_right = 0.0

spacewar/menu/main_menu.gd

@@ -36,6 +36,7 @@ const NAV_GAP := 4.0
 
 func _ready() -> void:
 	_build_ui()
+	MusicManager.play_menu_music()
 	NetworkManager.connection_succeeded.connect(_on_connected)
 	NetworkManager.connection_failed.connect(_on_connect_failed)
 	MatchmakingClient.match_found.connect(_on_match_found)

spacewar/menu/server_select.gd

@@ -37,6 +37,7 @@ var _ping_probes: Array = []  # {udp: PacketPeerUDP, start_msec: int, done: bool
 
 func _ready() -> void:
 	_build_ui()
+	MusicManager.play_menu_music()
 	NetworkManager.connection_succeeded.connect(_on_connected)
 	NetworkManager.connection_failed.connect(_on_connect_failed)
 	_refresh_servers()

spacewar/menu/team_select.gd

@@ -18,16 +18,19 @@ const RACES := [
 				"name": "LANCET", "role": "Fighter",
 				"desc": "A single, high-precision bolt of blue coherent light. Built to poke from range and vanish before anything can return fire — the sharpest shot in the fleet, if you can land it.",
 				"path": "res://assets/images/ships/apex/lancet.png", "scale": 0.296, "speed_factor": SPEED_BY_ROLE.Fighter,
+				"sound_path": "res://assets/sound/ships/apex/apex_1.wav",
 			},
 			{
 				"name": "PULSAR", "role": "Gunner",
 				"desc": "A wide, rapid-fire fan of low-damage green plasma pulses. Trades precision for volume — spray enough bolts and something connects.",
 				"path": "res://assets/images/ships/apex/pulsar.png", "scale": 0.373, "speed_factor": SPEED_BY_ROLE.Gunner,
+				"sound_path": "res://assets/sound/ships/apex/apex_1.wav",
 			},
 			{
 				"name": "SOVEREIGN", "role": "Tank",
 				"desc": "Homing micro-missiles alongside dual heavy plasma batteries. Slow and telegraphed, but its lock-on missiles punish anyone who tries to just outrun it.",
 				"path": "res://assets/images/ships/apex/sovereign.png", "scale": 0.348, "speed_factor": SPEED_BY_ROLE.Tank,
+				"sound_path": "res://assets/sound/ships/apex/apex_1.wav",
 			},
 		],
 	},
@@ -39,16 +42,22 @@ const RACES := [
 				"name": "PATRIOT", "role": "Fighter",
 				"desc": "A single, hard-hitting high-caliber explosive shell. Standard-issue and dependable — a clean, punishing hit if you land it.",
 				"path": "res://assets/images/ships/isn/patriot.png", "scale": 0.504, "speed_factor": SPEED_BY_ROLE.Fighter,
+				"sound_path": "res://assets/sound/ships/isn/isn_1.wav",
+				"flame_path": "res://assets/images/ships/isn/patriot_flame.png",
 			},
 			{
 				"name": "BARRAGE", "role": "Gunner",
 				"desc": "A relentless quad-barrel spray of fast, low-damage light bullets. Built for sustained suppressing fire rather than any one killing blow.",
 				"path": "res://assets/images/ships/isn/barrage.png", "scale": 0.516, "speed_factor": SPEED_BY_ROLE.Gunner,
+				"sound_path": "res://assets/sound/ships/isn/isn_1.wav",
+				"flame_path": "res://assets/images/ships/isn/barrage_flame.png",
 			},
 			{
 				"name": "BEHEMOTH", "role": "Tank",
 				"desc": "Heavy tracking torpedoes plus massive physical deck-guns. The navy's flagship-killer — slow to turn, but nothing stands in its way for long.",
 				"path": "res://assets/images/ships/isn/behemoth.png", "scale": 0.331, "speed_factor": SPEED_BY_ROLE.Tank,
+				"sound_path": "res://assets/sound/ships/isn/isn_1.wav",
+				"flame_path": "res://assets/images/ships/isn/behemoth_flame.png",
 			},
 		],
 	},
@@ -60,16 +69,22 @@ const RACES := [
 				"name": "RAIL-JACK", "role": "Fighter",
 				"desc": "A single, heavy magnetic railgun slug. Repurposed mining hardware — one slug, but it hits like a dropped asteroid.",
 				"path": "res://assets/images/ships/orc/rail_jack.png", "scale": 0.492, "speed_factor": SPEED_BY_ROLE.Fighter,
+				"sound_path": "res://assets/sound/ships/orc/orc_1.wav",
+				"flame_path": "res://assets/images/ships/orc/rail_jack_flame.png",
 			},
 			{
 				"name": "SCRAP-SPITTER", "role": "Gunner",
 				"desc": "A rotary scrap-cannon spraying rapid, low-damage metal shrapnel. Loud, dirty, and built to keep the pressure on.",
 				"path": "res://assets/images/ships/orc/scrap_spitter.png", "scale": 0.462, "speed_factor": SPEED_BY_ROLE.Gunner,
+				"sound_path": "res://assets/sound/ships/orc/orc_1.wav",
+				"flame_path": "res://assets/images/ships/orc/scrap_spitter_flame.png",
 			},
 			{
 				"name": "IRON-CLAD", "role": "Tank",
 				"desc": "Unguided explosive rockets plus continuous vulcan machine-gun fire. Bolted-together and brutal — built to grind a fight down, not finesse it.",
 				"path": "res://assets/images/ships/orc/iron_clad.png", "scale": 0.495, "speed_factor": SPEED_BY_ROLE.Tank,
+				"sound_path": "res://assets/sound/ships/orc/orc_1.wav",
+				"flame_path": "res://assets/images/ships/orc/iron_clad_flame.png",
 			},
 		],
 	},
@@ -331,8 +346,14 @@ func _show_ship_selection() -> void:
 
 func _on_ship_chosen(ship: Dictionary) -> void:
 	PlayerRegistry.submit_local_loadout(
-		GameConfig.player_name, _chosen_race.id, ship.path, ship.scale, ship.speed_factor, ship.role
+		GameConfig.player_name, _chosen_race.id, ship.path, ship.scale, ship.speed_factor, ship.role,
+		ship.get("flame_path", ""), ship.get("sound_path", "")
 	)
+	# Only the mandatory pre-spawn pick should end the menu music — a
+	# mid-match reopen (pause menu SELECT TEAM) leaves it alone since it's
+	# already stopped by this point (see _reopenable).
+	if not _reopenable:
+		MusicManager.stop_menu_music()
 	_reopenable = true
 	_close()
 

spacewar/project.godot

@@ -24,13 +24,13 @@ MatchmakingClient="*res://autoload/matchmaking_client.gd"
 ChatManager="*res://autoload/chat_manager.gd"
 KillFeedManager="*res://autoload/kill_feed_manager.gd"
 BotManager="*res://bots/bot_manager.gd"
+MusicManager="*res://autoload/music_manager.gd"
 
 [display]
 
 window/size/viewport_width=1280
 window/size/viewport_height=800
 window/size/mode=3
-window/stretch/mode="disabled"
 
 [input]
 

spacewar/ships/bullet.gd

@@ -3,12 +3,16 @@ extends Area2D
 # Set by World._spawn_bullet() before this node enters the tree.
 var velocity: Vector2 = Vector2.ZERO
 var source_peer_id: int = 0
+var damage: int = 100
+
+var _spawn_pos: Vector2
 
 # Only the server detects hits and despawns bullets — that's replicated to
 # every client automatically since bullets are spawned via BulletSpawner.
 # Movement itself stays local on every peer (deterministic constant-velocity
 # simulation from the replicated spawn state, no further sync needed).
 func _ready() -> void:
+	_spawn_pos = global_position
 	if multiplayer.is_server():
 		body_entered.connect(_on_body_entered)
 
@@ -18,10 +22,21 @@ func _process(delta: float) -> void:
 		var bounds = GameConfig.world_bounds.grow(64.0)
 		if not bounds.has_point(global_position):
 			queue_free()
+		elif global_position.distance_to(_spawn_pos) > GameConfig.bullet_max_range:
+			queue_free()
 
 func _on_body_entered(body: Node) -> void:
-	if body.get("peer_id") == source_peer_id:
+	var target_peer_id = body.get("peer_id")
+	if target_peer_id == source_peer_id:
 		return
-	if body.has_method("take_damage"):
+	# Friendly fire is blocked, not ignored -- the bullet still stops dead on
-		body.take_damage(GameConfig.bullet_damage, source_peer_id)
+	# a teammate's hull (queue_free below), it just deals no damage. Only a
+	# real target (has take_damage, i.e. a Ship) is team-checked; hazards/
+	# walls have neither peer_id nor take_damage and fall straight through
+	# to queue_free(), same as before.
+	if target_peer_id != null and body.has_method("take_damage"):
+		var source_race: int = PlayerRegistry.get_info(source_peer_id).get("race", -1)
+		var target_race: int = PlayerRegistry.get_info(target_peer_id).get("race", -2)
+		if source_race != target_race:
+			body.take_damage(damage, source_peer_id, global_position)
 	queue_free()

spacewar/ships/bullet.tscn

@@ -6,6 +6,8 @@
 radius = 4.0
 
 [node name="Bullet" type="Area2D"]
+collision_layer = 0
+collision_mask = 3
 script = ExtResource("1")
 
 [node name="CollisionShape2D" type="CollisionShape2D" parent="."]

spacewar/ships/ship.tscn

@@ -1,19 +1,21 @@
 [gd_scene format=3 uid="uid://dygtdlkvo6ofl"]
 
 [ext_resource type="Script" uid="uid://c4kj3i73wjdcj" path="res://ships/ship_movement.gd" id="1_0e48y"]
-[ext_resource type="Texture2D" path="res://assets/images/ships/terran/warframe.png" id="2_epypp"]
 
-[sub_resource type="CircleShape2D" id="CircleShape2D_2uxl3"]
+[sub_resource type="CapsuleShape2D" id="CapsuleShape2D_2uxl3"]
+radius = 20.0
+height = 40.0
 
 [node name="Player" type="CharacterBody2D" unique_id=1973248732]
+collision_layer = 2
+collision_mask = 1
 script = ExtResource("1_0e48y")
 
 [node name="CollisionShape2D" type="CollisionShape2D" parent="." unique_id=188418093]
-shape = SubResource("CircleShape2D_2uxl3")
+shape = SubResource("CapsuleShape2D_2uxl3")
 
 [node name="Sprite2D" type="Sprite2D" parent="." unique_id=2083904209]
 scale = Vector2(0.229, 0.229)
-texture = ExtResource("2_epypp")
 
 [node name="VisibleOnScreenNotifier2D" type="VisibleOnScreenNotifier2D" parent="." unique_id=1504818491]
 
@@ -22,3 +24,6 @@ current = false
 rotating = false
 position_smoothing_enabled = true
 position_smoothing_speed = 8.0
+
+[node name="NamePlate" type="Label" parent="."]
+top_level = true

spacewar/ships/ship_movement.gd

@@ -2,6 +2,7 @@ extends CharacterBody2D
 class_name Ship
 
 const EXPLOSION_SCENE: PackedScene = preload("res://effects/explosion.tscn")
+const DAMAGE_NUMBER_SCENE: PackedScene = preload("res://effects/damage_number.tscn")
 
 # Set by World._spawn_ship() before this node enters the tree.
 var peer_id: int = 0
@@ -19,6 +20,7 @@ var _turn_hold_time: float = 0.0
 var health: int = 0
 var energy: float = 0.0
 var max_energy: float = 100.0
+var _role: String = "Fighter"
 var _dead: bool = false
 
 # Last-hit attribution for the kill feed (see autoload/kill_feed_manager.gd).
@@ -30,9 +32,25 @@ var _invincible: bool = false
 var _invincible_timer: float = 0.0
 var _ship_speed_factor: float = 1.0
 
+# Idle (no-flame) vs engine-flame sprite swap — see _update_thrust_visual().
+# _flame_texture stays null for ships with no flame_path (e.g. Apex), which
+# just keeps _update_thrust_visual() from ever touching the sprite.
+var _idle_texture: Texture2D
+var _flame_texture: Texture2D
+var _thrusting: bool = false
+
+# Reference-counted so overlapping explosions (or a ship lingering across two
+# blasts) can't have one explosion's exit re-reveal a ship another explosion
+# is still covering -- see effects/explosion.gd's GhostArea.
+var _ghost_count: int = 0
+
 var _is_owner: bool = false
 var _fixed_delta: float = 1.0 / 60.0
 
+# Bottom-right nameplate — see _refresh_nameplate() and ship.tscn's
+# top_level Label child.
+var _nameplate: Label
+
 # Owner-side prediction: inputs sent to the server but not yet acknowledged,
 # replayed on top of the server's authoritative state on correction.
 const MAX_PENDING_INPUTS := 180
@@ -59,6 +77,18 @@ func _ready() -> void:
 	_is_owner = peer_id == multiplayer.get_unique_id()
 	add_to_group("ships")  # lets BotAI find nearby targets without a World reference
 
+	# top_level (set in ship.tscn) keeps this from inheriting the ship's own
+	# rotation, so the name always reads upright regardless of facing.
+	_nameplate = get_node_or_null("NamePlate") as Label
+	if _nameplate:
+		_nameplate.visible = false
+		_nameplate.mouse_filter = Control.MOUSE_FILTER_IGNORE
+		_nameplate.horizontal_alignment = HORIZONTAL_ALIGNMENT_CENTER
+		_nameplate.vertical_alignment = VERTICAL_ALIGNMENT_CENTER
+		_nameplate.add_theme_font_size_override("font_size", GameConfig.ship_nameplate_font_size)
+		_nameplate.add_theme_color_override("font_outline_color", Color(0, 0, 0, 0.85))
+		_nameplate.add_theme_constant_override("outline_size", 3)
+
 	# Only ever claim the camera for the local owner. Whichever Camera2D
 	# enters the SceneTree first auto-claims the viewport's active camera
 	# regardless of its own `current` value (Godot's built-in "first camera
@@ -71,6 +101,7 @@ func _ready() -> void:
 	if _is_owner:
 		var camera := get_node_or_null("Camera2D") as Camera2D
 		if camera:
+			camera.zoom = Vector2.ONE * GameConfig.camera_zoom
 			camera.call_deferred("make_current")
 
 	PlayerRegistry.loadout_updated.connect(_on_loadout_updated)
@@ -85,21 +116,76 @@ func _ready() -> void:
 func _on_loadout_updated(updated_peer_id: int) -> void:
 	if updated_peer_id == peer_id:
 		_init_player(PlayerRegistry.get_info(peer_id))
+	elif updated_peer_id == PlayerRegistry.get_local_id():
+		# The local viewer's own race changed (mid-match team swap) -- every
+		# other ship's teammate/enemy color depends on that comparison too,
+		# not just this ship's own info.
+		_refresh_nameplate()
 
 
 func _init_player(info: Dictionary) -> void:
-	var sprite := get_node_or_null("Sprite2D")
+	var sprite := get_node_or_null("Sprite2D") as Sprite2D
 	var ship_path: String = info.get("ship_path", "")
 	if sprite and not ship_path.is_empty():
-		sprite.texture = load(ship_path)
+		_idle_texture = load(ship_path)
-		sprite.scale = Vector2.ONE * info.get("ship_scale", 1.0) * GameConfig.ship_scale_factor
+		var flame_path: String = info.get("ship_flame_path", "")
+		_flame_texture = load(flame_path) if not flame_path.is_empty() else null
+		sprite.texture = _idle_texture
+		_thrusting = false
+		var total_scale: float = info.get("ship_scale", 1.0) * GameConfig.ship_scale_factor
+		sprite.scale = Vector2.ONE * total_scale
+		_update_collision_shape(_idle_texture, total_scale)
 	_ship_speed_factor = info.get("ship_speed_factor", 1.0)
-	max_energy = GameConfig.ship_max_energy_by_role.get(info.get("role", "Fighter"), 100.0)
+	_role = info.get("role", "Fighter")
+	max_energy = GameConfig.ship_max_energy_by_role.get(_role, 100.0)
+	_refresh_nameplate()
 	set_physics_process(true)
 	if multiplayer.is_server():
 		_server_respawn()
 
 
+# Bottom-right-of-ship name label — text/color only change on a loadout
+# change (this ship's or the local viewer's own, see _on_loadout_updated()),
+# not every frame; position/visibility instead track the ship every physics
+# tick (see _physics_process()) since those change constantly.
+func _refresh_nameplate() -> void:
+	if _nameplate == null:
+		return
+	var info := PlayerRegistry.get_info(peer_id)
+	var name_text: String = info.get("name", "")
+	if peer_id < 0:
+		name_text += " (b)"  # bots -- see bots/bot_manager.gd's negative peer_id trick
+	_nameplate.text = name_text
+	var local_race: int = PlayerRegistry.get_info(PlayerRegistry.get_local_id()).get("race", 0)
+	var is_teammate: bool = info.get("race", 0) == local_race
+	_nameplate.add_theme_color_override("font_color", GameConfig.team_color if is_teammate else GameConfig.enemy_color)
+
+
+# Sizes the hitbox to the actual sprite being flown, in the same scale-space
+# as the visual (see call site above) — every ship previously shared one
+# fixed-radius CircleShape2D (Godot's 10px default) regardless of its actual
+# on-screen size, which is a fraction of any ship's real silhouette (ships
+# render 40-110px tall depending on role). That left the nose and outer
+# edges of every ship un-collidable, since only a tiny circle near the
+# center actually registered hits. A CapsuleShape2D tracks a ship's own
+# rotation for free (it's a child of this CharacterBody2D) and its
+# height-along-local-Y shape matches this project's nose-up-at-rotation-0
+# sprite convention (ship_movement.gd's Vector2.UP-based movement) far
+# better than a circle for the elongated Fighter/Gunner hulls. Shrunk by
+# GameConfig.ship_hitbox_scale off the full texture bounds since the source
+# art has some anti-aliased/soft-edge margin outside the solid hull.
+func _update_collision_shape(texture: Texture2D, total_scale: float) -> void:
+	var collision := get_node_or_null("CollisionShape2D") as CollisionShape2D
+	if collision == null:
+		return
+	var capsule := collision.shape as CapsuleShape2D
+	if capsule == null:
+		return
+	var size := texture.get_size() * total_scale * GameConfig.ship_hitbox_scale
+	capsule.radius = size.x / 2.0
+	capsule.height = maxf(size.y, size.x)
+
+
 func _physics_process(delta: float) -> void:
 	if _dead:
 		return
@@ -120,11 +206,44 @@ func _physics_process(delta: float) -> void:
 	else:
 		_remote_tick(delta)
 
+	if _nameplate:
+		_nameplate.visible = visible
+		_nameplate.global_position = global_position + GameConfig.ship_nameplate_offset
+
+
+# Swaps the sprite between idle/flame textures based on whether the up/down
+# thrust key is *currently held* — not current speed, since this game's
+# movement has no drag and a released ship keeps drifting at speed, which
+# would otherwise leave the flame on long after letting off the gas. The
+# owner predicts this locally the instant it samples input (_owner_tick);
+# the server does the same for bots/itself (_server_tick) and broadcasts its
+# authoritative value in _receive_state so every other peer's view of a ship
+# (which never sees raw input, only replicated state) stays in sync too.
+func _set_thrust_sprite(active: bool) -> void:
+	if _flame_texture == null or active == _thrusting:
+		return
+	_thrusting = active
+	var sprite := get_node_or_null("Sprite2D") as Sprite2D
+	if sprite:
+		sprite.texture = _flame_texture if active else _idle_texture
+
+
+# Purely local/visual -- called by any Explosion whose GhostArea this ship's
+# (layer-2) hull overlaps, on every peer independently. Never touches the
+# networked `visible` property (that's server-authoritative via
+# _receive_state/_apply_death/_apply_respawn), just the sprite underneath it.
+func set_ghosted(active: bool) -> void:
+	_ghost_count = maxi(0, _ghost_count + (1 if active else -1))
+	var sprite := get_node_or_null("Sprite2D") as Sprite2D
+	if sprite:
+		sprite.visible = _ghost_count == 0
+
 
 # ── Owner client: predict locally, send input to server ─────────────────────
 
 func _owner_tick(delta: float) -> void:
 	var input := _sample_local_input()
+	_set_thrust_sprite(input.get("up", false) or input.get("down", false))
 	_input_tick += 1
 	_simulate_step(delta, input, true)
 
@@ -135,7 +254,7 @@ func _owner_tick(delta: float) -> void:
 
 
 @rpc("authority", "call_remote", "unreliable")
-func _receive_state(tick: int, pos: Vector2, rot: float, vel: Vector2, hp: int, nrg: float, shown: bool) -> void:
+func _receive_state(tick: int, pos: Vector2, rot: float, vel: Vector2, hp: int, nrg: float, shown: bool, thrusting: bool) -> void:
 	# Piggyback current health/energy AND visibility on every state broadcast
 	# (not just the one-shot _apply_health/_apply_death/_apply_respawn RPCs)
 	# so a peer that connects after another ship already spawned/respawned
@@ -158,6 +277,7 @@ func _receive_state(tick: int, pos: Vector2, rot: float, vel: Vector2, hp: int,
 		_interp_to_rot = rot
 		_interp_elapsed = 0.0
 		velocity = vel
+		_set_thrust_sprite(thrusting)
 
 
 func _reconcile(server_tick: int, server_pos: Vector2, server_rot: float, server_vel: Vector2) -> void:
@@ -195,11 +315,17 @@ func _server_tick(delta: float) -> void:
 			_last_processed_tick = entry.tick
 		input = _last_remote_input
 
+	# Updates this server's own local view of the sprite too (matters for a
+	# listen-server that's also rendering, e.g. hosting-and-playing) — for
+	# every other connected peer, _receive_state below is what carries this.
+	var thrusting: bool = input.get("up", false) or input.get("down", false)
+	_set_thrust_sprite(thrusting)
+
 	_simulate_step(delta, input, true)
 	energy = minf(max_energy, energy + GameConfig.ship_energy_regen_rate * delta)
 	_server_process_shoot(delta, input)
 
-	_receive_state.rpc(_last_processed_tick, global_position, rotation, velocity, health, energy, visible)
+	_receive_state.rpc(_last_processed_tick, global_position, rotation, velocity, health, energy, visible, thrusting)
 
 
 @rpc("any_peer", "call_remote", "unreliable")
@@ -301,24 +427,32 @@ func _apply_collision_bounce(previous_velocity: Vector2, apply_side_effects: boo
 
 # Server-only: decides whether this tick's queued input fires a shot, using
 # its own authoritative cooldown (never trust a client's fire rate). Requests
-# World spawn the bullet, which replicates it to every peer.
+# World spawn the bullet(s), which replicate to every peer. Damage/energy
+# cost/bullet count all scale by role (Fighter fires 1 bullet, Gunner/Tank
+# fire a side-by-side pair — see GameConfig.ship_bullet_count_by_role).
 func _server_process_shoot(delta: float, input: Dictionary) -> void:
 	_fire_cooldown -= delta
-	if input.get("shoot", false) and _fire_cooldown <= 0.0 and energy >= GameConfig.bullet_energy_cost:
+	var cost: float = GameConfig.ship_bullet_energy_cost_by_role.get(_role, 75.0)
+	if input.get("shoot", false) and _fire_cooldown <= 0.0 and energy >= cost:
 		_fire_cooldown = GameConfig.ship_fire_rate
-		energy -= GameConfig.bullet_energy_cost
+		energy -= cost
 		var world := get_node_or_null("/root/World")
 		if world:
-			world.request_bullet_spawn(
+			var damage: int = GameConfig.ship_bullet_damage_by_role.get(_role, 100)
-				peer_id,
+			var count: int = GameConfig.ship_bullet_count_by_role.get(_role, 1)
-				global_position + Vector2.UP.rotated(rotation) * 40.0,
+			var forward := Vector2.UP.rotated(rotation)
-				Vector2.UP.rotated(rotation) * GameConfig.bullet_speed + velocity
+			var right := Vector2.RIGHT.rotated(rotation)
-			)
+			var base_pos := global_position + forward * 40.0
+			var bullet_vel := forward * GameConfig.bullet_speed + velocity
+			var spacing := GameConfig.bullet_side_spacing
+			var start := -spacing * (count - 1) / 2.0
+			for i in count:
+				world.request_bullet_spawn(peer_id, base_pos + right * (start + i * spacing), bullet_vel, damage)
 
 
 # ── Health / death — server-authoritative, broadcast to every peer ──────────
 
-func take_damage(amount: int, source_peer_id: int = 0) -> void:
+func take_damage(amount: int, source_peer_id: int = 0, hit_pos: Vector2 = Vector2.ZERO) -> void:
 	if not multiplayer.is_server():
 		return
 	if _invincible or _dead:
@@ -326,6 +460,7 @@ func take_damage(amount: int, source_peer_id: int = 0) -> void:
 	_last_damage_source = source_peer_id
 	health = max(0, health - amount)
 	_apply_health.rpc(health)
+	_notify_damage_dealt(source_peer_id, amount, hit_pos if hit_pos != Vector2.ZERO else global_position)
 	if health == 0:
 		_die()
 
@@ -336,6 +471,34 @@ func _apply_health(new_health: int) -> void:
 	_update_hud()
 
 
+# Floating damage-number feedback for the attacker only -- unlike the kill
+# feed (autoload/kill_feed_manager.gd), this is per-shooter combat info, not
+# match-wide, so it's a targeted rpc_id() rather than a broadcast .rpc().
+# Bots (negative peer_id) and hazard/wall damage (peer_id 0, see
+# _apply_collision_bounce()) have no client to show this to. The server's own
+# peer id (when hosting-and-playing) takes the direct local-call path instead
+# of rpc_id()'ing itself, same pattern as world.gd's decide_offered_races().
+func _notify_damage_dealt(source_peer_id: int, amount: int, pos: Vector2) -> void:
+	if source_peer_id <= 0:
+		return
+	if source_peer_id == multiplayer.get_unique_id():
+		_spawn_damage_number(pos, amount)
+	else:
+		_show_damage_number.rpc_id(source_peer_id, amount, pos)
+
+
+@rpc("authority", "call_remote", "reliable")
+func _show_damage_number(amount: int, pos: Vector2) -> void:
+	_spawn_damage_number(pos, amount)
+
+
+func _spawn_damage_number(pos: Vector2, amount: int) -> void:
+	var number := DAMAGE_NUMBER_SCENE.instantiate()
+	number.global_position = pos
+	number.amount = amount
+	get_parent().add_child(number)
+
+
 func _die() -> void:
 	if not multiplayer.is_server():
 		return
@@ -351,15 +514,37 @@ func _apply_death() -> void:
 	visible = false
 	velocity = Vector2.ZERO
 	_spawn_explosion()
+	# Otherwise the invisible corpse -- still fully solid for the whole
+	# ship_respawn_delay window -- keeps blocking bullets fired "through" the
+	# explosion at its position, even though live ships already ghost through
+	# it visually (see effects/explosion.gd's GhostArea).
+	_set_collision_enabled(false)
+	# _physics_process()'s nameplate sync never runs while _dead, so hide it
+	# here explicitly instead of leaving it stuck at the death position.
+	if _nameplate:
+		_nameplate.visible = false
+
+
+# Deferred since _apply_death/_apply_respawn can run from inside a bullet's
+# body_entered physics callback -- same "Can't change state while flushing
+# queries" constraint _spawn_explosion's call_deferred works around above.
+func _set_collision_enabled(enabled: bool) -> void:
+	var collision := get_node_or_null("CollisionShape2D") as CollisionShape2D
+	if collision:
+		collision.set_deferred("disabled", not enabled)
 
 
 # Purely cosmetic, so it's spawned locally by every peer off the already
 # broadcast _apply_death RPC above rather than needing its own networked
 # spawner (contrast bullets/ships, which are gameplay-authoritative).
+# call_deferred here since _apply_death (and this) can run from inside a
+# bullet's body_entered physics callback -- adding a node with its own
+# collider (the explosion's GhostArea) synchronously mid-physics-step trips
+# Godot's "Can't change state while flushing queries" error.
 func _spawn_explosion() -> void:
 	var explosion := EXPLOSION_SCENE.instantiate()
 	explosion.global_position = global_position
-	get_parent().add_child(explosion)
+	get_parent().call_deferred("add_child", explosion)
 
 
 func _server_respawn() -> void:
@@ -376,6 +561,7 @@ func _apply_respawn(pos: Vector2) -> void:
 	_dead = false
 	_last_damage_source = 0
 	visible = true
+	_set_collision_enabled(true)
 	_invincible = true
 	_invincible_timer = GameConfig.ship_invincibility_time
 
@@ -418,12 +604,9 @@ func _team_spawn_group() -> String:
 func _update_hud() -> void:
 	if not _is_owner:
 		return
-	var health_bar = get_node_or_null("/root/World/HUD/HealthBar")
+	var health_bar = get_node_or_null("/root/World/HealthBar")
 	if health_bar and health_bar.has_method("set_fill"):
 		health_bar.set_fill(float(health) / GameConfig.ship_max_health if GameConfig.ship_max_health > 0 else 0.0)
-	var hud_energy_bar = get_node_or_null("/root/World/HUD/EnergyBar")
-	if hud_energy_bar and hud_energy_bar.has_method("set_fill"):
-		hud_energy_bar.set_fill(energy / max_energy if max_energy > 0.0 else 0.0)
 	var energy_bar = get_node_or_null("/root/World/EnergyBar")
 	if energy_bar and energy_bar.has_method("set_fill"):
 		energy_bar.set_fill(energy / max_energy if max_energy > 0.0 else 0.0)

spacewar/world/world.gd

@@ -78,6 +78,12 @@ func spawn_peer(peer_id: int) -> Node:
 func despawn_peer(peer_id: int) -> void:
 	var ship := _players.get_node_or_null(str(peer_id))
 	if ship:
+		# Stops _server_tick() from emitting any further _receive_state
+		# broadcasts for this ship the instant despawn is requested — without
+		# this, a state packet already in flight on the unreliable channel can
+		# still reach a client after that client has already processed this
+		# node's despawn replication, causing a "Node not found" RPC error.
+		ship.set_physics_process(false)
 		ship.queue_free()
 
 
@@ -90,10 +96,12 @@ func _spawn_ship(peer_id: int) -> Node:
 
 # Called by a Ship node running on the server when its authoritative fire
 # cooldown allows a shot. Replicated to every peer via the bullet spawner.
-func request_bullet_spawn(source_peer_id: int, pos: Vector2, vel: Vector2) -> void:
+# damage is decided by the firing ship's role (see
+# ship_movement.gd's _server_process_shoot()), not a flat global.
+func request_bullet_spawn(source_peer_id: int, pos: Vector2, vel: Vector2, damage: int) -> void:
 	if not multiplayer.is_server():
 		return
-	_bullet_spawner.spawn({"peer_id": source_peer_id, "pos": pos, "vel": vel})
+	_bullet_spawner.spawn({"peer_id": source_peer_id, "pos": pos, "vel": vel, "damage": damage})
 
 
 func _spawn_bullet(data: Dictionary) -> Node:
@@ -101,9 +109,30 @@ func _spawn_bullet(data: Dictionary) -> Node:
 	bullet.global_position = data.pos
 	bullet.velocity = data.vel
 	bullet.source_peer_id = data.peer_id
+	bullet.damage = data.damage
+	_play_shoot_sound(data.peer_id, data.pos)
 	return bullet
 
 
+# Runs once per peer (this spawn_function itself is what MultiplayerSpawner
+# replicates, so every client fires this locally, not just the server) —
+# each peer's own ship's Camera2D is that peer's audio listener, so
+# AudioStreamPlayer2D's max_distance naturally limits who hears the shot to
+# ships within GameConfig.ship_shoot_sound_max_distance, with no need to
+# track which peers are "in range" server-side.
+func _play_shoot_sound(source_peer_id: int, pos: Vector2) -> void:
+	var sound_path: String = PlayerRegistry.get_info(source_peer_id).get("ship_sound_path", "")
+	if sound_path.is_empty():
+		return
+	var player := AudioStreamPlayer2D.new()
+	player.stream = load(sound_path)
+	player.global_position = pos
+	player.max_distance = GameConfig.ship_shoot_sound_max_distance
+	player.finished.connect(player.queue_free)
+	add_child(player)
+	player.play()
+
+
 func _on_peer_joined(peer_id: int) -> void:
 	if multiplayer.is_server():
 		spawn_peer(peer_id)

spacewar/world/world.tscn

@@ -9,7 +9,6 @@
 [ext_resource type="PackedScene" uid="uid://cminimap0001" path="res://hud/mini_map.tscn" id="8_mmap"]
 [ext_resource type="PackedScene" path="res://hud/ping_display.tscn" id="9_ping"]
 [ext_resource type="PackedScene" path="res://hud/energy_bar.tscn" id="10_ebar"]
-[ext_resource type="Script" path="res://hud/stat_bar.gd" id="11_statbar"]
 
 [node name="World" type="Node2D" unique_id=1962020789]
 script = ExtResource("4_world")
@@ -26,24 +25,6 @@ spawn_path = NodePath("../Players")
 [node name="BulletSpawner" type="MultiplayerSpawner" parent="."]
 spawn_path = NodePath("../Bullets")
 
-[node name="HUD" type="CanvasLayer" parent="."]
-
-[node name="HealthBar" type="Control" parent="HUD"]
-offset_left = 20.0
-offset_top = 20.0
-offset_right = 300.0
-offset_bottom = 44.0
-script = ExtResource("11_statbar")
-fill_color = Color(0.3, 0.85, 0.35, 0.95)
-
-[node name="EnergyBar" type="Control" parent="HUD"]
-offset_left = 20.0
-offset_top = 50.0
-offset_right = 300.0
-offset_bottom = 74.0
-script = ExtResource("11_statbar")
-fill_color = Color(0.25, 0.55, 1.0, 0.95)
-
 [node name="PauseMenu" parent="." instance=ExtResource("2_pm")]
 
 [node name="TeamSelect" parent="." instance=ExtResource("3_ts")]
@@ -58,4 +39,10 @@ fill_color = Color(0.25, 0.55, 1.0, 0.95)
 
 [node name="PingDisplay" parent="." instance=ExtResource("9_ping")]
 
+[node name="HealthBar" parent="." instance=ExtResource("10_ebar")]
+margin_top = 20.0
+fill_color = Color(0.3, 0.85, 0.35, 0.95)
+
 [node name="EnergyBar" parent="." instance=ExtResource("10_ebar")]
+margin_top = 40.0
+fill_color = Color(0.25, 0.55, 1.0, 0.95)