refactor(M03): extract M2 placement transform resolver

This commit is contained in:
2026-07-16 23:51:59 +04:00
parent 91f0ba8433
commit 0a09d7bc1e
9 changed files with 573 additions and 90 deletions
@@ -0,0 +1,219 @@
extends SceneTree
## Asset-free formula, dependency and timing regression for ADT M2 transforms.
const RESOLVER_SCRIPT := preload("res://src/render/m2/m2_placement_transform_resolver.gd")
const LOADER_PATH := "res://src/scenes/streaming/streaming_world_loader.gd"
const WATERFALL_WORLD_YAW_OFFSET := PI * 0.5
const CLIFFROCK_WORLD_YAW_OFFSET := PI
func _initialize() -> void:
var failures: Array[String] = []
_verify_regular_basis(failures)
_verify_cliffrock_basis(failures)
_verify_new_waterfall_basis(failures)
_verify_tall_waterfall_basis_and_offset(failures)
_verify_path_normalization_and_scale_clamp(failures)
_verify_loader_boundary(failures)
var elapsed_milliseconds := _verify_bounded_timing(failures)
if not failures.is_empty():
for failure in failures:
push_error("M2_PLACEMENT_TRANSFORM_RESOLVER: %s" % failure)
quit(1)
return
print(
"M2_PLACEMENT_TRANSFORM_RESOLVER PASS cases=9 iterations=10000 elapsed_ms=%.3f"
% elapsed_milliseconds
)
quit(0)
func _verify_regular_basis(failures: Array[String]) -> void:
var resolver: RefCounted = RESOLVER_SCRIPT.new()
var rotation := Vector3(0.2, -0.7, 1.1)
_expect_basis_near(
resolver.call("resolve_basis", rotation, "World/Generic/Tree.m2"),
Basis.from_euler(rotation),
"regular basis",
failures
)
_expect_vector_near(
resolver.call("resolve_origin_offset", rotation, "World/Generic/Tree.m2", 3.0),
Vector3.ZERO,
"regular offset",
failures
)
func _verify_cliffrock_basis(failures: Array[String]) -> void:
var resolver: RefCounted = RESOLVER_SCRIPT.new()
var rotation := Vector3(0.3, 0.4, -0.2)
var expected_basis := (
Basis(Vector3.UP, rotation.y + CLIFFROCK_WORLD_YAW_OFFSET)
* Basis(Vector3.BACK, rotation.x)
* Basis(Vector3.RIGHT, -rotation.z)
)
_expect_basis_near(
resolver.call("resolve_basis", rotation, "WORLD\\AZEROTH\\ElwynnCliffRock01.MDX"),
expected_basis,
"cliffrock basis",
failures
)
func _verify_new_waterfall_basis(failures: Array[String]) -> void:
var resolver: RefCounted = RESOLVER_SCRIPT.new()
var rotation := Vector3(-0.1, 0.8, 0.2)
var fall_axis := Vector3(-0.138742, 0.990329, 0.0).normalized()
var expected_basis := (
Basis(Vector3.UP, WATERFALL_WORLD_YAW_OFFSET)
* Basis.from_euler(rotation)
* Basis(fall_axis, PI * 0.5)
)
_expect_basis_near(
resolver.call("resolve_basis", rotation, "world/x/NewWaterfall.m2"),
expected_basis,
"new waterfall basis",
failures
)
_expect_vector_near(
resolver.call("resolve_origin_offset", rotation, "world/x/NewWaterfall.m2", 1.0),
Vector3.ZERO,
"new waterfall offset",
failures
)
func _verify_tall_waterfall_basis_and_offset(failures: Array[String]) -> void:
var resolver: RefCounted = RESOLVER_SCRIPT.new()
var rotation := Vector3(0.05, -0.2, 0.15)
var path := "world/x/ElwynnTallWaterfall01.m2"
var fall_axis := Vector3(-0.068962, 0.997619, 0.0).normalized()
var placement_basis := (
Basis(Vector3.UP, WATERFALL_WORLD_YAW_OFFSET) * Basis.from_euler(rotation)
)
var expected_basis := placement_basis * Basis(fall_axis, -PI * 0.5)
var anchor := Vector3(-2.667799, 89.62273, 0.00129)
var expected_offset := (placement_basis * anchor - expected_basis * anchor) * 1.5
_expect_basis_near(
resolver.call("resolve_basis", rotation, path),
expected_basis,
"tall waterfall basis",
failures
)
_expect_vector_near(
resolver.call("resolve_origin_offset", rotation, path, 1.5),
expected_offset,
"tall waterfall offset",
failures
)
func _verify_path_normalization_and_scale_clamp(failures: Array[String]) -> void:
var resolver: RefCounted = RESOLVER_SCRIPT.new()
var path := "WORLD\\X\\ELWYNNTALLWATERFALL01.MDX"
var minimum_offset: Vector3 = resolver.call("resolve_origin_offset", Vector3.ZERO, path, 0.0001)
_expect_vector_near(
resolver.call("resolve_origin_offset", Vector3.ZERO, path, -9.0),
minimum_offset,
"negative scale clamp",
failures
)
_expect_basis_near(
resolver.call("resolve_basis", Vector3.ZERO, "ElwynnCliffRock02.m2"),
Basis(Vector3.UP, PI),
"second cliffrock",
failures
)
func _verify_loader_boundary(failures: Array[String]) -> void:
var source := _read_text(LOADER_PATH, failures)
_expect_true(
source.contains("M2_PLACEMENT_TRANSFORM_RESOLVER_SCRIPT.new()"),
"loader composes resolver",
failures
)
_expect_equal(
source.count("_m2_placement_transform_resolver.resolve_basis("),
3,
"three basis adapters",
failures
)
_expect_equal(
source.count("_m2_placement_transform_resolver.resolve_origin_offset("),
3,
"three offset adapters",
failures
)
_expect_true(
not source.contains("func _adt_m2_placement_basis("),
"loader omits basis formula",
failures
)
_expect_true(
not source.contains("func _waterfall_sheet_twist("),
"loader omits waterfall formula",
failures
)
func _verify_bounded_timing(failures: Array[String]) -> float:
var resolver: RefCounted = RESOLVER_SCRIPT.new()
var rotation := Vector3(0.1, 0.2, 0.3)
var started_microseconds := Time.get_ticks_usec()
for iteration in range(10000):
var path := (
"world/x/ElwynnTallWaterfall01.m2"
if iteration % 4 == 0
else "world/generic/Tree.m2"
)
resolver.call("resolve_basis", rotation, path)
resolver.call("resolve_origin_offset", rotation, path, 1.0)
var elapsed_milliseconds := float(Time.get_ticks_usec() - started_microseconds) / 1000.0
_expect_true(elapsed_milliseconds < 1000.0, "10000 transform pairs bounded", failures)
return elapsed_milliseconds
func _read_text(path: String, failures: Array[String]) -> String:
var file := FileAccess.open(path, FileAccess.READ)
if file == null:
failures.append("cannot open %s" % path)
return ""
return file.get_as_text()
func _expect_basis_near(
actual_basis: Basis,
expected_basis: Basis,
label: String,
failures: Array[String]
) -> void:
if not actual_basis.is_equal_approx(expected_basis):
failures.append("%s basis mismatch" % label)
func _expect_vector_near(
actual_value: Vector3,
expected_value: Vector3,
label: String,
failures: Array[String]
) -> void:
if not actual_value.is_equal_approx(expected_value):
failures.append("%s expected %s, got %s" % [label, expected_value, actual_value])
func _expect_equal(
actual_value: int,
expected_value: int,
label: String,
failures: Array[String]
) -> void:
if actual_value != expected_value:
failures.append("%s expected %d, got %d" % [label, expected_value, actual_value])
func _expect_true(actual_value: bool, label: String, failures: Array[String]) -> void:
if not actual_value:
failures.append("%s expected true" % label)