forked from 1b-agent/opencadstudio-upstream
438 lines
20 KiB
Rust
438 lines
20 KiB
Rust
use super::*;
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use acadrust::entities::{
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CenterLineAssociation, CenterLineSource, CenterLineSourceKind,
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};
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use acadrust::objects::{XRecordEntry, XRecordValue};
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use acadrust::types::Vector3;
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use cadkernel::geom2d::{centerline_between, closest_point, Curve, Line as KernelLine};
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use glam::DVec3;
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use crate::command::WorkingPlane;
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const SETTINGS_RECORD: &str = "OPEN_CAD_CENTERLINE_SETTINGS";
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#[derive(Clone, Debug)]
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pub(crate) struct CenterLineSettings {
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pub extension: f64,
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pub layer: String,
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pub linetype: String,
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pub linetype_scale: f64,
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pub linetype_file: String,
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pub cross_size: String,
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pub cross_gap: String,
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pub mark_extensions: bool,
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}
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impl Default for CenterLineSettings {
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fn default() -> Self {
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Self {
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extension: 0.12,
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layer: "Current".to_owned(),
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linetype: "CENTER2".to_owned(),
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linetype_scale: 1.0,
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linetype_file: String::new(),
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cross_size: "0.1x".to_owned(),
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cross_gap: "0.05x".to_owned(),
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mark_extensions: true,
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}
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}
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}
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fn vector(point: DVec3) -> Vector3 {
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Vector3::new(point.x, point.y, point.z)
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}
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fn dvec(point: Vector3) -> DVec3 {
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DVec3::new(point.x, point.y, point.z)
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}
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fn ocs_point(point: (f64, f64, f64), normal: Vector3) -> DVec3 {
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let point = crate::scene::view::transform::ocs_point_to_wcs(
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point,
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(normal.x, normal.y, normal.z),
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);
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DVec3::new(point.0, point.1, point.2)
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}
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fn segment_distance(point: [f64; 2], start: [f64; 2], end: [f64; 2]) -> f64 {
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closest_point(&Curve::Line(KernelLine { start, end }), point).distance
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}
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fn segment_indices(vertex_count: usize, closed: bool) -> impl Iterator<Item = (usize, usize)> {
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let count = if closed && vertex_count > 2 {
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vertex_count
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} else {
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vertex_count.saturating_sub(1)
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};
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(0..count).map(move |start| (start, (start + 1) % vertex_count.max(1)))
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}
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/// Resolve a user pick to a line or the closest linear polyline segment.
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pub(crate) fn picked_source(
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entity: &EntityType,
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handle: Handle,
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pick: DVec3,
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) -> Option<(CenterLineSource, DVec3, DVec3)> {
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match entity {
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EntityType::Line(line) if line.length() > 1.0e-10 => Some((
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CenterLineSource {
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handle,
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kind: CenterLineSourceKind::Line,
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segment_index: -1,
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pick_point: vector(pick),
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},
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dvec(line.start),
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dvec(line.end),
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)),
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EntityType::LwPolyline(polyline) => {
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let local_pick = crate::scene::view::transform::wcs_point_to_ocs(
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(pick.x, pick.y, pick.z),
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(polyline.normal.x, polyline.normal.y, polyline.normal.z),
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);
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let pick_2d = [local_pick.0, local_pick.1];
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segment_indices(polyline.vertices.len(), polyline.is_closed)
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.filter(|(start, _)| polyline.vertices[*start].bulge.abs() <= 1.0e-12)
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.filter_map(|(start, end)| {
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let a = polyline.vertices[start].location;
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let b = polyline.vertices[end].location;
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((a.x - b.x).hypot(a.y - b.y) > 1.0e-10).then_some((start, a, b))
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})
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.min_by(|(_, a, b), (_, c, d)| {
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segment_distance(pick_2d, [a.x, a.y], [b.x, b.y])
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.total_cmp(&segment_distance(pick_2d, [c.x, c.y], [d.x, d.y]))
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})
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.map(|(index, a, b)| {
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let start = ocs_point((a.x, a.y, polyline.elevation), polyline.normal);
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let end = ocs_point((b.x, b.y, polyline.elevation), polyline.normal);
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(
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CenterLineSource {
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handle,
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kind: CenterLineSourceKind::LwPolylineSegment,
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segment_index: index as i32,
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pick_point: vector(pick),
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},
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start,
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end,
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)
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})
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}
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EntityType::Polyline2D(polyline) => {
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let local_pick = crate::scene::view::transform::wcs_point_to_ocs(
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(pick.x, pick.y, pick.z),
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(polyline.normal.x, polyline.normal.y, polyline.normal.z),
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);
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let pick_2d = [local_pick.0, local_pick.1];
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segment_indices(polyline.vertices.len(), polyline.is_closed())
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.filter(|(start, _)| polyline.vertices[*start].bulge.abs() <= 1.0e-12)
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.filter_map(|(start, end)| {
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let a = polyline.vertices[start].location;
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let b = polyline.vertices[end].location;
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((a.x - b.x).hypot(a.y - b.y) > 1.0e-10).then_some((start, a, b))
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})
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.min_by(|(_, a, b), (_, c, d)| {
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segment_distance(pick_2d, [a.x, a.y], [b.x, b.y])
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.total_cmp(&segment_distance(pick_2d, [c.x, c.y], [d.x, d.y]))
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})
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.map(|(index, a, b)| {
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let start = ocs_point((a.x, a.y, polyline.elevation), polyline.normal);
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let end = ocs_point((b.x, b.y, polyline.elevation), polyline.normal);
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(
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CenterLineSource {
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handle,
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kind: CenterLineSourceKind::Polyline2DSegment,
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segment_index: index as i32,
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pick_point: vector(pick),
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},
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start,
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end,
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)
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})
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}
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_ => None,
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}
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}
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fn resolve_source(document: &acadrust::CadDocument, source: &CenterLineSource) -> Option<(DVec3, DVec3)> {
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let entity = document.get_entity(source.handle)?;
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let (_, start, end) = picked_source(entity, source.handle, dvec(source.pick_point))?;
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match source.kind {
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CenterLineSourceKind::Line => matches!(entity, EntityType::Line(_)).then_some((start, end)),
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CenterLineSourceKind::LwPolylineSegment => {
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let EntityType::LwPolyline(polyline) = entity else { return None; };
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let index = usize::try_from(source.segment_index).ok()?;
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let end_index = if index + 1 < polyline.vertices.len() { index + 1 } else if polyline.is_closed { 0 } else { return None; };
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if polyline.vertices.get(index)?.bulge.abs() > 1.0e-12 { return None; }
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let a = polyline.vertices[index].location;
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let b = polyline.vertices[end_index].location;
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Some((
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ocs_point((a.x, a.y, polyline.elevation), polyline.normal),
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ocs_point((b.x, b.y, polyline.elevation), polyline.normal),
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))
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}
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CenterLineSourceKind::Polyline2DSegment => {
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let EntityType::Polyline2D(polyline) = entity else { return None; };
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let index = usize::try_from(source.segment_index).ok()?;
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let end_index = if index + 1 < polyline.vertices.len() { index + 1 } else if polyline.is_closed() { 0 } else { return None; };
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if polyline.vertices.get(index)?.bulge.abs() > 1.0e-12 { return None; }
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let a = polyline.vertices[index].location;
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let b = polyline.vertices[end_index].location;
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Some((
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ocs_point((a.x, a.y, polyline.elevation), polyline.normal),
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ocs_point((b.x, b.y, polyline.elevation), polyline.normal),
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))
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}
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}
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}
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fn rebuild_line(
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document: &acadrust::CadDocument,
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association: &CenterLineAssociation,
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) -> Option<acadrust::Line> {
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let first = resolve_source(document, &association.first)?;
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let second = resolve_source(document, &association.second)?;
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construct_line(first, second, association)
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}
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pub(crate) fn construct_line(
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first: (DVec3, DVec3),
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second: (DVec3, DVec3),
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association: &CenterLineAssociation,
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) -> Option<acadrust::Line> {
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let plane = WorkingPlane::new(
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dvec(association.plane_origin),
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dvec(association.plane_x),
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dvec(association.plane_y),
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);
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let first_start = plane.to_local(first.0);
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let first_end = plane.to_local(first.1);
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let second_start = plane.to_local(second.0);
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let second_end = plane.to_local(second.1);
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let first_pick = plane.to_local(dvec(association.first.pick_point));
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let second_pick = plane.to_local(dvec(association.second.pick_point));
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let geometry = centerline_between(
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KernelLine { start: [first_start.x, first_start.y], end: [first_end.x, first_end.y] },
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KernelLine { start: [second_start.x, second_start.y], end: [second_end.x, second_end.y] },
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[first_pick.x, first_pick.y],
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[second_pick.x, second_pick.y],
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association.start_extension + association.start_length_adjustment,
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association.end_extension + association.end_length_adjustment,
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)?;
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let elevation = (first_start.z + first_end.z + second_start.z + second_end.z) * 0.25;
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let start = plane.to_world(DVec3::new(geometry.start[0], geometry.start[1], elevation));
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let end = plane.to_world(DVec3::new(geometry.end[0], geometry.end[1], elevation));
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Some(acadrust::Line::from_points(vector(start), vector(end)))
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}
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impl Scene {
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fn centerline_settings_owner(&self) -> Option<Handle> {
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self.document
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.objects
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.iter()
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.find_map(|(handle, object)| match object {
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ObjectType::Layout(layout) if layout.name.eq_ignore_ascii_case("Model") => {
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Some(*handle)
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}
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_ => None,
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})
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.or_else(|| self.current_layout_object_handle())
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}
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pub(crate) fn centerline_settings(&self) -> CenterLineSettings {
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let mut defaults = CenterLineSettings::default();
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if matches!(self.document.header.insertion_units, 4..=7 | 11..=17) {
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defaults.extension = 3.5;
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}
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let Some(owner) = self.centerline_settings_owner() else { return defaults; };
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let Some(record) = self.document.xrecord(owner, SETTINGS_RECORD) else { return defaults; };
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let value = |code| record.entries.iter().find(|entry| entry.code == code).map(|entry| &entry.value);
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CenterLineSettings {
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extension: value(40).and_then(XRecordValue::as_double).unwrap_or(defaults.extension),
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layer: value(1).and_then(XRecordValue::as_string).unwrap_or(&defaults.layer).to_owned(),
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linetype: value(2).and_then(XRecordValue::as_string).unwrap_or(&defaults.linetype).to_owned(),
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linetype_scale: value(41).and_then(XRecordValue::as_double).unwrap_or(defaults.linetype_scale),
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linetype_file: value(3).and_then(XRecordValue::as_string).unwrap_or(&defaults.linetype_file).to_owned(),
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cross_size: value(4).and_then(XRecordValue::as_string).unwrap_or(&defaults.cross_size).to_owned(),
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cross_gap: value(5).and_then(XRecordValue::as_string).unwrap_or(&defaults.cross_gap).to_owned(),
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mark_extensions: value(290).and_then(XRecordValue::as_bool).unwrap_or(defaults.mark_extensions),
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}
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}
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pub(crate) fn set_centerline_setting(&mut self, name: &str, value: &str) -> Result<String, String> {
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let Some(owner) = self.centerline_settings_owner() else { return Err("No drawing settings owner.".to_owned()); };
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if name == "CENTERLTYPE"
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&& !value.eq_ignore_ascii_case("Current")
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&& !self.document.line_types.contains(value)
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{
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return Err(format!("CENTERLTYPE: linetype \"{value}\" is not loaded."));
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}
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if name == "CENTERLTYPEFILE" && !value.trim().is_empty() {
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#[cfg(not(target_arch = "wasm32"))]
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{
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let source = std::fs::read_to_string(value)
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.map_err(|error| format!("CENTERLTYPEFILE: {error}"))?;
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crate::io::linetypes::populate_document_from_source(
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&mut self.document,
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&source,
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);
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}
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#[cfg(target_arch = "wasm32")]
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return Err("CENTERLTYPEFILE is unavailable in the web build.".to_owned());
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}
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self.document.ensure_xrecord(owner, SETTINGS_RECORD);
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let record = self.document.xrecord_mut(owner, SETTINGS_RECORD).ok_or_else(|| "Cannot store centerline settings.".to_owned())?;
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let (code, replacement, display) = match name {
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"CENTEREXE" => {
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let number = value.parse::<f64>().map_err(|_| "CENTEREXE requires a non-negative number.".to_owned())?;
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if !number.is_finite() || number < 0.0 { return Err("CENTEREXE requires a non-negative number.".to_owned()); }
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(40, XRecordValue::Double(number), number.to_string())
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}
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"CENTERLAYER" => (1, XRecordValue::String(value.to_owned()), value.to_owned()),
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"CENTERLTYPE" => (2, XRecordValue::String(value.to_owned()), value.to_owned()),
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"CENTERLTSCALE" => {
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let number = value.parse::<f64>().map_err(|_| "CENTERLTSCALE requires a non-zero number.".to_owned())?;
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if !number.is_finite() || number == 0.0 { return Err("CENTERLTSCALE requires a non-zero number.".to_owned()); }
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(41, XRecordValue::Double(number), number.to_string())
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}
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"CENTERLTYPEFILE" => (3, XRecordValue::String(value.to_owned()), value.to_owned()),
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"CENTERCROSSSIZE" | "CENTERCROSSGAP" => {
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let trimmed = value.trim();
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let valid = trimmed.eq_ignore_ascii_case("ByLineType")
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|| trimmed.strip_suffix(['x', 'X']).is_some_and(|number| {
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number.parse::<f64>().is_ok_and(|value| value.is_finite() && value > 0.0)
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})
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|| trimmed.parse::<f64>().is_ok_and(|value| value.is_finite() && value > 0.0);
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if !valid {
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return Err(format!("{name} requires a positive length, a positive x factor, or ByLineType."));
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}
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let code = if name == "CENTERCROSSSIZE" { 4 } else { 5 };
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(code, XRecordValue::String(trimmed.to_owned()), trimmed.to_owned())
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}
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"CENTERMARKEXE" => {
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let enabled = match value.trim().to_ascii_lowercase().as_str() {
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"1" | "on" | "yes" | "true" => true,
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"0" | "off" | "no" | "false" => false,
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_ => return Err("CENTERMARKEXE requires On/Off or 1/0.".to_owned()),
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};
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(290, XRecordValue::Bool(enabled), if enabled { "1" } else { "0" }.to_owned())
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}
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_ => return Err(format!("Unknown centerline setting: {name}")),
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};
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if let Some(entry) = record.entries.iter_mut().find(|entry| entry.code == code) {
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entry.value = replacement;
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} else {
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record.entries.push(XRecordEntry { code, value: replacement });
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}
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Ok(format!("{name} = {display}"))
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}
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pub(crate) fn refresh_associative_centerlines(&mut self, changes: &[(Handle, ChangeKind)]) -> Vec<(Handle, ChangeKind)> {
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let changed: rustc_hash::FxHashSet<_> = changes.iter().map(|(handle, _)| *handle).collect();
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if changed.is_empty() { return Vec::new(); }
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let candidates: Vec<_> = self.document.entities().filter_map(|entity| {
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let EntityType::Line(line) = entity else { return None; };
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let association = CenterLineAssociation::read(&line.common.extended_data)?;
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(association.associated && (changed.contains(&association.first.handle) || changed.contains(&association.second.handle)))
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.then_some((line.common.handle, association))
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}).collect();
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let mut result = Vec::new();
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for (handle, mut association) in candidates {
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if self.is_recording_undo() {
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let before = self.document.get_entity_arc(handle);
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self.record_undo_before(handle, before);
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}
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let refreshed = resolve_source(&self.document, &association.first)
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.zip(resolve_source(&self.document, &association.second))
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.and_then(|(first, second)| construct_line(first, second, &association));
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let Some(mut new_line) = refreshed else {
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association.associated = false;
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if let Some(EntityType::Line(line)) = self.document.get_entity_mut(handle) {
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association.write(&mut line.common.extended_data);
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result.push((handle, ChangeKind::Modified));
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}
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continue;
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};
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if let Some(EntityType::Line(line)) = self.document.get_entity_mut(handle) {
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new_line.common = line.common.clone();
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*line = new_line;
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result.push((handle, ChangeKind::Modified));
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}
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}
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result
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}
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pub(crate) fn reset_centerlines(&mut self, handles: &[Handle]) -> usize {
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let extension = self.centerline_settings().extension;
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let candidates: Vec<_> = handles.iter().filter_map(|handle| {
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let EntityType::Line(line) = self.document.get_entity(*handle)? else { return None; };
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let mut association = CenterLineAssociation::read(&line.common.extended_data)?;
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association.start_extension = extension;
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association.end_extension = extension;
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association.start_length_adjustment = 0.0;
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association.end_length_adjustment = 0.0;
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rebuild_line(&self.document, &association).map(|line| (*handle, association, line))
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}).collect();
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for (handle, association, rebuilt) in &candidates {
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if self.is_recording_undo() {
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let before = self.document.get_entity_arc(*handle);
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self.record_undo_before(*handle, before);
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}
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if let Some(EntityType::Line(line)) = self.document.get_entity_mut(*handle) {
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let mut rebuilt = rebuilt.clone();
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rebuilt.common = line.common.clone();
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association.write(&mut rebuilt.common.extended_data);
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*line = rebuilt;
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}
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}
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if !candidates.is_empty() {
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let changes: Vec<_> = candidates.iter().map(|(handle, _, _)| (*handle, ChangeKind::Modified)).collect();
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self.bump_entities(&changes);
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}
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candidates.len()
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}
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pub(crate) fn set_centerline_association(&mut self, handles: &[Handle], associated: bool) -> usize {
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let candidates: Vec<_> = handles.iter().filter_map(|handle| {
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let EntityType::Line(line) = self.document.get_entity(*handle)? else { return None; };
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let mut association = CenterLineAssociation::read(&line.common.extended_data)?;
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association.associated = associated;
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let rebuilt = associated.then(|| rebuild_line(&self.document, &association)).flatten();
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(!associated || rebuilt.is_some()).then_some((*handle, association, rebuilt))
|
|
}).collect();
|
|
for (handle, association, rebuilt) in &candidates {
|
|
if self.is_recording_undo() {
|
|
let before = self.document.get_entity_arc(*handle);
|
|
self.record_undo_before(*handle, before);
|
|
}
|
|
if let Some(EntityType::Line(line)) = self.document.get_entity_mut(*handle) {
|
|
if let Some(mut rebuilt) = rebuilt.clone() {
|
|
rebuilt.common = line.common.clone();
|
|
association.write(&mut rebuilt.common.extended_data);
|
|
*line = rebuilt;
|
|
} else {
|
|
association.write(&mut line.common.extended_data);
|
|
}
|
|
}
|
|
}
|
|
if !candidates.is_empty() {
|
|
let changes: Vec<_> = candidates.iter().map(|(handle, _, _)| (*handle, ChangeKind::Modified)).collect();
|
|
self.bump_entities(&changes);
|
|
}
|
|
candidates.len()
|
|
}
|
|
}
|
|
|
|
pub(crate) fn resolve_center_measure(specification: &str, diameter: f64, fallback_factor: f64) -> f64 {
|
|
let text = specification.trim();
|
|
if text.eq_ignore_ascii_case("ByLineType") {
|
|
return diameter * fallback_factor;
|
|
}
|
|
if let Some(factor) = text.strip_suffix(['x', 'X']).and_then(|value| value.parse::<f64>().ok()) {
|
|
return diameter * factor.max(0.0);
|
|
}
|
|
text.parse::<f64>().unwrap_or(diameter * fallback_factor).max(0.0)
|
|
}
|
|
|
|
pub(crate) fn center_measure_is_relative(specification: &str) -> bool {
|
|
let text = specification.trim();
|
|
text.eq_ignore_ascii_case("ByLineType") || text.ends_with(['x', 'X'])
|
|
}
|