forked from 1b-agent/opencadstudio-upstream
467 lines
16 KiB
Rust
467 lines
16 KiB
Rust
use codec::entities::{Viewport, ViewportRenderMode};
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use crate::command::EntityTransform;
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use crate::entities::common::{
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center_grip, edit_prop as edit, parse_f64, ro_prop as ro, square_grip,
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};
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use crate::scene::model::object::{GripApply, GripDef, PropSection, PropValue, Property};
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// ── Standard scale options ────────────────────────────────────────────────
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const STANDARD_SCALES: &[(&str, f64)] = &[
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("1:500", 0.002),
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("1:200", 0.005),
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("1:100", 0.01),
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("1:50", 0.02),
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("1:20", 0.05),
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("1:10", 0.1),
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("1:5", 0.2),
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("1:2", 0.5),
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("1:1", 1.0),
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("2:1", 2.0),
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("5:1", 5.0),
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("10:1", 10.0),
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];
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fn scale_label(scale: f64) -> String {
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for (label, val) in STANDARD_SCALES {
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if (scale - val).abs() < val * 0.01 {
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return label.to_string();
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}
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}
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format!("{:.6}", scale)
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.trim_end_matches('0')
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.trim_end_matches('.')
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.to_string()
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}
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// ── Render mode options ───────────────────────────────────────────────────
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const RENDER_MODES: &[(&str, ViewportRenderMode)] = &[
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("2D Wireframe", ViewportRenderMode::Wireframe2D),
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("3D Wireframe", ViewportRenderMode::Wireframe3D),
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("Hidden Line", ViewportRenderMode::HiddenLine),
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("Flat Shaded", ViewportRenderMode::FlatShaded),
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("Gouraud Shaded", ViewportRenderMode::GouraudShaded),
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(
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"Flat Shaded + Edges",
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ViewportRenderMode::FlatShadedWithEdges,
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),
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(
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"Gouraud Shaded + Edges",
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ViewportRenderMode::GouraudShadedWithEdges,
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),
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];
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// ── Shade plot mode labels ────────────────────────────────────────────────
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const SHADE_PLOT_LABELS: &[&str] = &["As Displayed", "Wireframe", "Hidden", "Rendered"];
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fn shade_plot_label(mode: i16) -> &'static str {
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SHADE_PLOT_LABELS
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.get(mode as usize)
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.copied()
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.unwrap_or("As Displayed")
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}
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fn grips(vp: &Viewport) -> Vec<GripDef> {
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let (cx, cy, cz) = (vp.center.x, vp.center.y, vp.center.z);
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let hw = vp.width / 2.0;
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let hh = vp.height / 2.0;
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vec![
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center_grip(0, glam::DVec3::new(cx, cy, cz)),
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square_grip(1, glam::DVec3::new(cx + hw, cy + hh, cz)),
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square_grip(2, glam::DVec3::new(cx - hw, cy + hh, cz)),
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square_grip(3, glam::DVec3::new(cx - hw, cy - hh, cz)),
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square_grip(4, glam::DVec3::new(cx + hw, cy - hh, cz)),
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]
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}
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fn properties(vp: &Viewport) -> Vec<PropSection> {
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let scale_opts: Vec<String> = STANDARD_SCALES.iter().map(|(s, _)| s.to_string()).collect();
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let effective_scale =
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crate::scene::vp_effective_scale(vp.custom_scale, vp.view_height, vp.height);
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let current_scale_label = scale_label(effective_scale);
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let shade_opts: Vec<String> = SHADE_PLOT_LABELS.iter().map(|s| s.to_string()).collect();
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let current_shade = shade_plot_label(vp.shade_plot_mode).to_string();
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let annotation_scale = if effective_scale.abs() > 1e-9 {
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format!("1:{}", scale_label(effective_scale))
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} else {
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String::new()
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};
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vec![
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PropSection {
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title: "Geometry".into(),
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props: vec![
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edit("Center X", "center_x", vp.center.x),
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edit("Center Y", "center_y", vp.center.y),
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edit("Center Z", "center_z", vp.center.z),
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edit("Height", "vp_h", vp.height),
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edit("Width", "vp_w", vp.width),
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],
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},
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PropSection {
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title: "Misc".into(),
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props: vec![
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Property {
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label: "On".into(),
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field: "vp_on",
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value: PropValue::BoolToggle {
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field: "vp_on",
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value: vp.is_on(),
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},
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},
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ro(
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"Clipped",
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"vp_clipped",
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if is_clipped(vp) { "Yes" } else { "No" },
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),
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Property {
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label: "Display locked".into(),
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field: "vp_locked",
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value: PropValue::BoolToggle {
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field: "vp_locked",
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value: vp.status.locked,
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},
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},
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ro("Annotation scale", "vp_anno_scale", annotation_scale),
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Property {
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label: "Standard scale".into(),
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field: "vscale_std",
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value: PropValue::Choice {
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selected: current_scale_label,
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options: scale_opts,
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},
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},
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edit("Custom scale", "vscale", effective_scale),
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Property {
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label: "UCS per viewport".into(),
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field: "vp_ucs_per_vp",
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value: PropValue::BoolToggle {
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field: "vp_ucs_per_vp",
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value: vp.ucs_per_viewport,
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},
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},
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ro(
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"Layer property overrides",
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"vp_layer_overrides",
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if vp.frozen_layers.is_empty() {
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"No".to_string()
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} else {
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format!("Yes ({})", vp.frozen_layers.len())
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},
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),
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ro(
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"Visual style",
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"vp_visual_style_handle",
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if vp.visual_style_handle.is_null() {
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"(none)".to_string()
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} else {
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format!("{:X}", vp.visual_style_handle.value())
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},
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),
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Property {
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label: "Shade plot".into(),
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field: "vp_shade_plot",
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value: PropValue::Choice {
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selected: current_shade,
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options: shade_opts,
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},
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},
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ro("Linked to Sheet View", "vp_sheet_view", String::new()),
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],
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},
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]
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}
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fn apply_geom_prop(vp: &mut Viewport, field: &str, value: &str) {
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use codec::types::Vector3;
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// Boolean / toggle fields handled first (value = "toggle" or "true"/"false").
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match field {
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"vp_locked" => {
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vp.status.locked = if value == "toggle" {
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!vp.status.locked
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} else {
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value == "true"
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};
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return;
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}
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"vp_on" => {
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// turn_on/turn_off keep the explicit-off bit in step, so a
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// viewport the file marked off can be turned back on.
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let on = if value == "toggle" {
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!vp.is_on()
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} else {
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value == "true"
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};
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if on {
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vp.turn_on();
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} else {
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vp.turn_off();
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}
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return;
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}
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"vp_perspective" => {
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vp.status.perspective = if value == "toggle" {
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!vp.status.perspective
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} else {
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value == "true"
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};
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return;
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}
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"vp_hide_plot" => {
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vp.status.hide_plot = if value == "toggle" {
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!vp.status.hide_plot
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} else {
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value == "true"
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};
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return;
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}
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"vp_ucs_icon" => {
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vp.ucs_icon_visible = if value == "toggle" {
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!vp.ucs_icon_visible
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} else {
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value == "true"
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};
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return;
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}
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"vp_ucs_per_vp" => {
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vp.ucs_per_viewport = if value == "toggle" {
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!vp.ucs_per_viewport
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} else {
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value == "true"
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};
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return;
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}
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_ => {}
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}
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// Render mode picker.
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if field == "vp_render" {
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if let Some(&(_, mode)) = RENDER_MODES.iter().find(|(label, _)| *label == value) {
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vp.render_mode = mode;
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}
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return;
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}
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// Shade plot mode picker.
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if field == "vp_shade_plot" {
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if let Some(idx) = SHADE_PLOT_LABELS.iter().position(|&s| s == value) {
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vp.shade_plot_mode = idx as i16;
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}
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return;
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}
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// Standard view direction picker.
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if field == "vp_view" {
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let dir: Option<(f64, f64, f64)> = match value {
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"Top" => Some((0.0, 0.0, 1.0)),
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"Bottom" => Some((0.0, 0.0, -1.0)),
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"Front" => Some((0.0, -1.0, 0.0)),
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"Back" => Some((0.0, 1.0, 0.0)),
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"Left" => Some((-1.0, 0.0, 0.0)),
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"Right" => Some((1.0, 0.0, 0.0)),
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"SW Isometric" => Some((-1.0, -1.0, 1.0)),
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"SE Isometric" => Some((1.0, -1.0, 1.0)),
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"NE Isometric" => Some((1.0, 1.0, 1.0)),
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"NW Isometric" => Some((-1.0, 1.0, 1.0)),
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_ => None,
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};
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if let Some((dx, dy, dz)) = dir {
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let len = (dx * dx + dy * dy + dz * dz).sqrt();
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vp.view_direction = Vector3::new(dx / len, dy / len, dz / len);
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}
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return;
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}
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// Numeric fields.
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let Some(v) = parse_f64(value) else { return };
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match field {
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"center_x" => vp.center.x = v,
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"center_y" => vp.center.y = v,
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"center_z" => vp.center.z = v,
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"vp_w" if v > 0.0 => vp.width = v,
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"vp_h" if v > 0.0 => vp.height = v,
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"vscale" if v > 0.0 => {
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vp.custom_scale = v;
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vp.view_height = vp.height / v;
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}
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"vtgt_x" => vp.view_target.x = v,
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"vtgt_z" => vp.view_target.z = v,
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"vp_lens" if v > 0.0 => vp.lens_length = v,
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"vp_ucs_ox" => vp.ucs_origin.x = v,
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"vp_ucs_oy" => vp.ucs_origin.y = v,
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"vp_ucs_oz" => vp.ucs_origin.z = v,
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"vp_ucs_xx" => vp.ucs_x_axis.x = v,
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"vp_ucs_xy" => vp.ucs_x_axis.y = v,
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"vp_ucs_xz" => vp.ucs_x_axis.z = v,
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"vp_ucs_yx" => vp.ucs_y_axis.x = v,
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"vp_ucs_yy" => vp.ucs_y_axis.y = v,
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"vp_ucs_yz" => vp.ucs_y_axis.z = v,
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"vp_snap_bx" => vp.snap_base.x = v,
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"vp_snap_by" => vp.snap_base.y = v,
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"vp_snap_sx" if v >= 0.0 => vp.snap_spacing.x = v,
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"vp_snap_sy" if v >= 0.0 => vp.snap_spacing.y = v,
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"vp_snap_ang" => vp.snap_angle = v.to_radians(),
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"vp_twist" => vp.twist_angle = v.to_radians(),
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"vp_front_clip" => vp.front_clip_z = v,
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"vp_back_clip" => vp.back_clip_z = v,
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"vp_circle_sides" if v >= 0.0 && v <= i16::MAX as f64 => {
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vp.circle_sides = v as i16;
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}
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_ => {}
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}
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}
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fn apply_grip(vp: &mut Viewport, grip_id: usize, apply: GripApply) {
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match (grip_id, apply) {
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(0, GripApply::Translate(d)) => {
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vp.center.x += d.x as f64;
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vp.center.y += d.y as f64;
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vp.center.z += d.z as f64;
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}
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(0, GripApply::Absolute(p)) => {
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vp.center.x = p.x as f64;
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vp.center.y = p.y as f64;
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vp.center.z = p.z as f64;
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}
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(1..=4, GripApply::Absolute(p)) => {
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let hw = vp.width * 0.5;
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let hh = vp.height * 0.5;
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let opposite = match grip_id {
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1 => (vp.center.x - hw, vp.center.y - hh),
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2 => (vp.center.x + hw, vp.center.y - hh),
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3 => (vp.center.x + hw, vp.center.y + hh),
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4 => (vp.center.x - hw, vp.center.y + hh),
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_ => unreachable!(),
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};
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resize_from_corners(vp, opposite, (p.x as f64, p.y as f64));
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}
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_ => {}
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}
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}
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/// Stretch a rectangular paper-space viewport by the corners captured by a
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/// crossing window. Bounds that have no captured corner stay anchored.
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/// A viewport clipped by its boundary object: the boundary is linked and
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/// non-rectangular clipping is on. A stored boundary with clipping off draws
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/// the rectangular viewport.
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pub(crate) fn is_clipped(vp: &Viewport) -> bool {
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!vp.clip_boundary_handle.is_null() && vp.status.non_rectangular_clipping
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}
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pub fn stretch(
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vp: &mut Viewport,
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win_min: glam::DVec3,
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win_max: glam::DVec3,
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delta: glam::DVec3,
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) -> bool {
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let hw = vp.width * 0.5;
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let hh = vp.height * 0.5;
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let (left, right) = (vp.center.x - hw, vp.center.x + hw);
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let (bottom, top) = (vp.center.y - hh, vp.center.y + hh);
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let inside =
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|x: f64, y: f64| x >= win_min.x && x <= win_max.x && y >= win_min.y && y <= win_max.y;
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let bottom_left = inside(left, bottom);
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let bottom_right = inside(right, bottom);
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let top_left = inside(left, top);
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let top_right = inside(right, top);
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if !(bottom_left || bottom_right || top_left || top_right) {
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return false;
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}
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let moved_left = if bottom_left || top_left {
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left + delta.x
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} else {
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left
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};
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let moved_right = if bottom_right || top_right {
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right + delta.x
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} else {
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right
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};
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let moved_bottom = if bottom_left || bottom_right {
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bottom + delta.y
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} else {
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bottom
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};
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let moved_top = if top_left || top_right {
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top + delta.y
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} else {
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top
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};
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resize_from_corners(vp, (moved_left, moved_bottom), (moved_right, moved_top))
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}
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/// Rebuild center and size from two opposite corners while preserving viewport
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/// scale as its paper-space height changes.
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fn resize_from_corners(vp: &mut Viewport, a: (f64, f64), b: (f64, f64)) -> bool {
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let new_width = (b.0 - a.0).abs();
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let new_height = (b.1 - a.1).abs();
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let mut changed = false;
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if new_width > 0.01 {
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let new_center_x = (a.0 + b.0) * 0.5;
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changed |=
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(vp.center.x - new_center_x).abs() > 1e-12 || (vp.width - new_width).abs() > 1e-12;
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vp.center.x = new_center_x;
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vp.width = new_width;
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}
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if new_height > 0.01 {
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let old_height = vp.height;
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let new_center_y = (a.1 + b.1) * 0.5;
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changed |=
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(vp.center.y - new_center_y).abs() > 1e-12 || (old_height - new_height).abs() > 1e-12;
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vp.center.y = new_center_y;
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if old_height > 1e-9 && vp.view_height.abs() > 1e-9 {
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vp.view_height *= new_height / old_height;
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}
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vp.height = new_height;
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}
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changed
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}
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fn apply_transform(vp: &mut Viewport, t: &EntityTransform) {
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crate::scene::view::transform::apply_standard_entity_transform(vp, t, |entity, p1, p2| {
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crate::scene::view::transform::reflect_xy_point(
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&mut entity.center.x,
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&mut entity.center.y,
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p1,
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p2,
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);
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});
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}
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crate::impl_entity_basics!(Viewport);
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impl crate::entities::traits::FallbackTess for Viewport {
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fn fallback_geometry(&self) -> crate::scene::convert::tess_util::FallbackGeometry {
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// A clipped viewport uses its linked boundary entity as its visible
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// frame. Drawing the viewport's rectangular extents as well leaves an
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// incorrect box around polygonal/Object MVIEW results.
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if is_clipped(self) {
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return (vec![], vec![], vec![], vec![]);
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}
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let cx = self.center.x;
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let cy = self.center.y;
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let cz = self.center.z;
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let hw = self.width / 2.0;
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let hh = self.height / 2.0;
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let pts = vec![
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[cx - hw, cy - hh, cz],
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[cx + hw, cy - hh, cz],
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[cx + hw, cy + hh, cz],
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[cx - hw, cy + hh, cz],
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[cx - hw, cy - hh, cz],
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];
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(pts, vec![], vec![], vec![])
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}
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}
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