73 lines
3.9 KiB
Markdown
73 lines
3.9 KiB
Markdown
# Classic HUD, automatic reload, furniture navigation, death audio
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## Work-Death Balance damage tuning
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- Player rifle: **17.5 damage** per body hit (previously 35), using the float
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`Player.BULLET_DAMAGE` constant. Head multipliers remain zombie ×2.5 / boss ×1.5.
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- Grenade explosion: **320 maximum damage** (previously 160), same 5 m linear
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falloff, wall occlusion, self-damage and 15 s cooldown. At 1 m it deals 256;
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at 2.5 m it deals 160; outside 5 m it deals none.
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- Alien Grunt hornet damage is **unchanged**, including its progression by rank.
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- `tools/test_rebalance_branding.gd`: 14 checks, including real rifle body/head
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hits and exact explosion/self-damage values. All previous gameplay suites pass.
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## HUD
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`scripts/game_hud.gd` replaces the debug-style text block with translucent black
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panels and amber classic-FPS typography. Health and magazine numbers are large,
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low health (<=25) and low ammo (<=5) turn red. Reload status is explicit; wave,
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score and grenade cooldown are compact at top center. Panels are above touch
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controls; every HUD Control ignores mouse events so the Web start gesture works.
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Desktop instructions are hidden in touch mode. `30 / 30` means loaded/max magazine,
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not a fictional reserve-ammo counter (reloads remain unlimited).
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## Automatic reload
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The last shot triggers `start_reload()` immediately. An empty magazine detected in
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physics also triggers it. Guarded against duplicate requests, full magazines and
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death. Existing duration1.57s and reload sounds remain; no refill after death.
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Manual R and touch reload are unchanged.
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## Shared grid navigation on the room's XZ floor
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`scripts/room_navigation.gd` builds a shared35x35 AStarGrid2D with0.5m cells.
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Obstacles come from `office_props` box collisions transformed into world-space
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XZ rectangles (including rotated chairs). Rectangles are expanded0.60m to protect
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the zombie capsule radius0.35m plus grid/edge margin. Diagonals are allowed only
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when both adjacent cells are free. Grid setup calls update BEFORE solid flags,
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since update clears them.
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Targets/start cells inside expanded obstacles are snapped to the nearest free
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cell. Each zombie caches direct visibility or an A* route, refreshing approximately
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every0.55–0.67s with staggered intervals rather than every physics frame. Clear
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routes use direct pursuit; blocked routes follow waypoints. Entry window tween,
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animations, gravity, attack range and corpse behavior remain unchanged.
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Melee also checks a world-geometry ray below desk-top height: chest-high rays can
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pass over tables even when the actors cannot physically approach each other.
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This map is for static furniture: moved/new props require rebuilding it. Existing
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body collisions still separate zombies, but this is not a full crowd avoidance
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solver. No mobile FPS guarantee is made. The algorithm uses the existing simple
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flat room and does not require runtime navmesh baking or native extensions.
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Reference: https://docs.godotengine.org/en/stable/classes/class_astargrid2d.html
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## Death sound
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Copied the ORIGINAL local Half-Life `valve/sound/fvox/flatline.wav` to
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`assets/audio/fvox/flatline.wav`, no source modification. SHA256:
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`6fc00ca83a1310b8ff373a77ff895c5396c35416c00a974a0fa55b3fb14bd772`.
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Duration3.994s, mono11025Hz. Played once at-9dB on death alongside the existing
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player vocal; nonpositional so it remains audible through the camera fall.
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## Verification
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`tools/test_gameplay_improvements.gd`: HUD values/colors/touch hints, immediate
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last-shot reload, duplicate-request guard, physical pursuits around both desks,
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chairs (including rotated chair) and barrel, blocked melee through desk,
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idempotent flatline and no refill after death. Passed headless and with real
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PulseAudio output. All eight prior test suites pass. Touch screenshot of new HUD
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inspected via test_office_atmosphere --screenshot --touch.
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Existing test-shutdown resource-in-use warnings remain. Device touch feel and
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smartphone performance still need real-device validation.
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