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Align original Half-Life office walls and ceiling with explicit room UVs

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enne2
2026-10-11 01:10:39 +02:00
parent 8a0c441af6
commit b100a5bc51
11 changed files with 309 additions and 5 deletions
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scripts/room.gd
+45 -5
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@@ -7,6 +7,8 @@ const W: float = 18.0 # larghezza (x)
const D: float = 18.0 # profondita (z)
const H: float = 5.0 # altezza (y)
const WALL_T: float = 0.3
const WALL_REPEAT_M := 4.0 # 128x160 texture spans 4x5m: equal texel density
const CEILING_REPEAT_M := 1.2 # CEIL5 contains 2x2 panels: each panel = 0.6m
# Finestra: 4 m x 2 m, bordo basso a 1.5 m
const WIN_W: float = 4.0
@@ -167,7 +169,22 @@ func _add_box_to(parent: Node3D, s: Vector3, c: Vector3, m: StandardMaterial3D)
var bm := BoxMesh.new()
bm.size = s
bm.material = m
mi.mesh = bm
if m.has_meta("office_surface"):
# BoxMesh's per-face UVs reset on every wall segment. Rebuild only UVs;
# geometry, normals, indices and collision boxes remain identical.
var arrays := bm.surface_get_arrays(0)
var vertices: PackedVector3Array = arrays[Mesh.ARRAY_VERTEX]
var uv := PackedVector2Array()
for vertex in vertices:
uv.append(office_uv(vertex + c, c, m.get_meta("office_surface")))
arrays[Mesh.ARRAY_TEX_UV] = uv
var mesh := ArrayMesh.new()
mesh.add_surface_from_arrays(Mesh.PRIMITIVE_TRIANGLES, arrays)
mesh.surface_set_material(0, m)
mi.mesh = mesh
mi.add_to_group("office_surfaces")
else:
mi.mesh = bm
parent.add_child(mi)
var cs := CollisionShape3D.new()
var bs := BoxShape3D.new()
@@ -181,16 +198,39 @@ func _add_box_to(parent: Node3D, s: Vector3, c: Vector3, m: StandardMaterial3D)
func _surface_material(texture_name: String, rough: float) -> StandardMaterial3D:
var material := StandardMaterial3D.new()
material.albedo_texture = load("res://assets/textures/" + texture_name + ".png")
var office := texture_name in ["wall", "ceiling"]
var directory := "res://assets/textures/office/" if office else "res://assets/textures/"
material.albedo_texture = load(directory + texture_name + ".png")
material.albedo_color = Color.WHITE
material.roughness = rough
material.texture_filter = BaseMaterial3D.TEXTURE_FILTER_LINEAR_WITH_MIPMAPS_ANISOTROPIC
material.texture_repeat = true
material.uv1_triplanar = true
material.uv1_world_triplanar = true
material.uv1_scale = Vector3.ONE * 0.5
if office:
material.set_meta("office_surface", texture_name)
else:
# Existing floor projection intentionally unchanged.
material.uv1_triplanar = true
material.uv1_world_triplanar = true
material.uv1_scale = Vector3.ONE * 0.5
return material
## Shared room-space UVs, independent of each window/wall segment size.
static func office_uv(point: Vector3, center: Vector3, surface: String) -> Vector2:
if surface == "ceiling":
return Vector2(point.x + W * 0.5, point.z + D * 0.5) / CEILING_REPEAT_M
var along: float
if center.z < -D * 0.5:
along = point.x + W * 0.5 # north, clockwise
elif center.x > W * 0.5:
along = W + point.z + D * 0.5 # east
elif center.z > D * 0.5:
along = W + D + W * 0.5 - point.x # south
else:
along = W * 2 + D + D * 0.5 - point.z # west
# Top pixel at ceiling, bottom at floor: no vertical texture repeats.
# Half-texel inset avoids sampling the opposite edge at exact 0/1.
return Vector2(along / WALL_REPEAT_M, clampf(1.0 - point.y / H, 0.5 / 160.0, 1.0 - 0.5 / 160.0))
func _mat(color: Color, rough: float) -> StandardMaterial3D:
var m := StandardMaterial3D.new()
m.albedo_color = color