Files
open-wc/src/render/streaming/streaming_target_planner.gd
T
sindoring ad8fc41ace fix(M03): support cold planner startup
Work-Package: M03-RND-STREAMING-PLANNER-001
Agent: sindo-main-codex
Tests: stale-class-cache headless planner verifier passes
Fidelity: type-resolution-only fix; planning behavior unchanged
2026-07-16 00:11:07 +04:00

105 lines
3.7 KiB
GDScript

class_name StreamingTargetPlanner
extends RefCounted
## Scene-free deterministic calculator for runtime/editor ADT target sets.
## It creates no tasks or renderer resources and never mutates its inputs.
const COORDINATE_MAPPER_SCRIPT := preload("res://src/domain/coordinates/coordinate_mapper.gd")
const ADT_TILE_COORDINATE_SCRIPT := preload("res://src/domain/coordinates/adt_tile_coordinate.gd")
const TARGET_PLAN_SCRIPT := preload("res://src/render/streaming/streaming_target_plan.gd")
## Builds runtime wanted and retained sets, including the existing edge/corner
## prefetch centers. `available_tile_paths_by_key` is read only for membership.
func plan_runtime(
available_tile_paths_by_key: Dictionary,
focus_position: GodotWorldPosition,
policy
):
var focus_tile = COORDINATE_MAPPER_SCRIPT.godot_to_adt_tile(focus_position)
var prefetch_centers := _prefetch_centers(focus_position, focus_tile, policy)
var wanted_tile_keys := _available_keys_within_radius(
available_tile_paths_by_key,
prefetch_centers,
policy.load_tile_radius()
)
var retained_tile_keys := _available_keys_within_radius(
available_tile_paths_by_key,
prefetch_centers,
policy.retained_tile_radius()
)
return TARGET_PLAN_SCRIPT.new(focus_tile, wanted_tile_keys, retained_tile_keys)
## Builds the editor square preview set. Editor wanted and retained sets are
## identical and a negative radius is clamped to the focus tile.
func plan_editor(
available_tile_paths_by_key: Dictionary,
focus_position: GodotWorldPosition,
editor_preview_tile_radius: int
):
var focus_tile = COORDINATE_MAPPER_SCRIPT.godot_to_adt_tile(focus_position)
var centers: Array[AdtTileCoordinate] = [focus_tile]
var wanted_tile_keys := _available_keys_within_radius(
available_tile_paths_by_key,
centers,
maxi(0, editor_preview_tile_radius)
)
return TARGET_PLAN_SCRIPT.new(focus_tile, wanted_tile_keys, wanted_tile_keys)
func _prefetch_centers(
focus_position: GodotWorldPosition,
focus_tile: AdtTileCoordinate,
policy
) -> Array[AdtTileCoordinate]:
var centers: Array[AdtTileCoordinate] = [focus_tile]
var threshold: float = policy.clamped_boundary_prefetch_threshold()
if threshold <= 0.0:
return centers
var tile_local_position = COORDINATE_MAPPER_SCRIPT.godot_to_adt_tile_local(focus_position)
var local_x_fraction: float = tile_local_position.east_yards / COORDINATE_MAPPER_SCRIPT.ADT_TILE_SIZE_YARDS
var local_z_fraction: float = tile_local_position.south_yards / COORDINATE_MAPPER_SCRIPT.ADT_TILE_SIZE_YARDS
var tile_x_offsets: Array[int] = [0]
var tile_y_offsets: Array[int] = [0]
if local_x_fraction <= threshold:
tile_x_offsets.append(-1)
elif local_x_fraction >= 1.0 - threshold:
tile_x_offsets.append(1)
if local_z_fraction <= threshold:
tile_y_offsets.append(-1)
elif local_z_fraction >= 1.0 - threshold:
tile_y_offsets.append(1)
for tile_x_offset in tile_x_offsets:
for tile_y_offset in tile_y_offsets:
if tile_x_offset == 0 and tile_y_offset == 0:
continue
centers.append(ADT_TILE_COORDINATE_SCRIPT.new(
focus_tile.tile_x + tile_x_offset,
focus_tile.tile_y + tile_y_offset
))
return centers
func _available_keys_within_radius(
available_tile_paths_by_key: Dictionary,
centers: Array[AdtTileCoordinate],
tile_radius: int
) -> Dictionary:
var available_tile_keys: Dictionary = {}
for center in centers:
for tile_y in range(center.tile_y - tile_radius, center.tile_y + tile_radius + 1):
for tile_x in range(center.tile_x - tile_radius, center.tile_x + tile_radius + 1):
var tile_key := _tile_key(tile_x, tile_y)
if available_tile_paths_by_key.has(tile_key):
available_tile_keys[tile_key] = true
return available_tile_keys
func _tile_key(tile_x: int, tile_y: int) -> String:
return "%d_%d" % [tile_x, tile_y]