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feat(world): seabed flora and encrusting growth on rock
Quality Gate / Quality Gate (pull_request) Failing after 2m58s
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SeabedFloraActor scatters seagrass tufts on flat sand in the lit band and
sea fans on rock between 15 and 60 m, deterministically from the site id,
one MultiMesh per tile and kind, with procedural alpha-cut meshes and
textures (SeabedFloraAssets), vertex sway and wrapped lighting, no
collision and no sonar presence. Placement reads the field arrays
directly and runs on the worker thread pool. The seabed shader grows
turf algae on sunlit rock, coralline crusts in patches and encrusting
sponges in the shade, fading out between 40 and 75 m. The water-column
optics move to a shared shader include.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
This commit is contained in:
OlivierandClaude Fable 5.1 committed 2026-10-07 00:44:10 +02:00
1 parent 122f3f5800
commit 0f9918224a
16 files changed
+585 -14
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tests/integration/run_site_terrain_integration.gd
+23 -1
View File
@@ -10,6 +10,7 @@ const DiveSiteDefinition = preload("res://game/domain/sites/dive_site_definition
const SitePlacement = preload("res://game/domain/sites/site_placement.gd")
const DiveSite = preload("res://game/world/sites/dive_site.gd")
const SeabedDetailTextures = preload("res://game/world/sites/seabed_detail_textures.gd")
const SeabedFloraActor = preload("res://game/world/sites/seabed_flora_actor.gd")
const SonarCaptureRequest = preload("res://game/application/sonar/sonar_capture_request.gd")
const ReferenceBathymetryAcquisition = preload(
"res://game/world/sonar/reference_bathymetry_acquisition.gd"
@@ -19,7 +20,7 @@ const DIVE_SITE_SCENE = preload("res://game/world/sites/dive_site.tscn")
const ZONE1_SITE_PATH := "res://content/sites/zone1_vigilant.tres"
const SHOWCASE_SITE_PATH := "res://content/sites/terrain_showcase.tres"
const GROOVE_PROBE_OFFSET_M := 25.0
const TEST_COUNT := 44
const TEST_COUNT := 49
var _failures: Array[String] = []
@@ -188,6 +189,27 @@ func _test_dive_site_scene() -> void:
await physics_frame
await physics_frame
_expect(site.terrain().tile_count() > 0, "site builds its terrain tiles")
var flora := site.flora()
var grass_count := flora.instance_count(SeabedFloraActor.Kind.SEAGRASS)
var fan_count := flora.instance_count(SeabedFloraActor.Kind.SEA_FAN)
_expect(grass_count > 0 and fan_count > 0, "calibration site grows seagrass and sea fans (%d, %d)" % [grass_count, fan_count])
var field_for_flora := definition.height_field()
var grass_on_sand := true
var grass_in_band := true
for transform in flora.sample_transforms(SeabedFloraActor.Kind.SEAGRASS):
var at := transform.origin
grass_on_sand = grass_on_sand and field_for_flora.material_at(at.x, at.z) == SonarMaterial.Value.SAND
grass_in_band = grass_in_band and -at.y < SeabedFloraActor.GRASS_DEPTH_NONE_M and absf(at.y - field_for_flora.elevation_at(at.x, at.z)) < 0.1
_expect(grass_on_sand, "seagrass stands on sand")
_expect(grass_in_band, "seagrass stays in the lit band and on the seabed")
var fans_on_rock := true
for transform in flora.sample_transforms(SeabedFloraActor.Kind.SEA_FAN):
var at := transform.origin
fans_on_rock = fans_on_rock and field_for_flora.material_at(at.x, at.z) == SonarMaterial.Value.ROCK
_expect(fans_on_rock, "sea fans stand on rock")
var first_pass := flora.sample_transforms(SeabedFloraActor.Kind.SEAGRASS)
flora.configure(field_for_flora, hash(String(definition.site_id)))
_expect(first_pass == flora.sample_transforms(SeabedFloraActor.Kind.SEAGRASS), "flora placement is deterministic for a seed")
var water_column := site.get_node_or_null("WaterColumn") as FogVolume
_expect(
water_column != null and water_column.material is ShaderMaterial