topola/src/bin/topola-egui/viewport.rs

320 lines
14 KiB
Rust

use geo::point;
use petgraph::{
data::DataMap,
visit::{EdgeRef, IntoEdgeReferences},
};
use rstar::{Envelope, AABB};
use topola::{
autorouter::{
command::Command,
invoker::{GetGhosts, GetMaybeNavmesh, GetMaybeTrace, GetObstacles, Invoker},
},
drawing::{
graph::{MakePrimitive, PrimitiveIndex},
primitive::MakePrimitiveShape,
},
geometry::{shape::AccessShape, GenericNode},
layout::{poly::MakePolyShape, via::ViaWeight},
math::Circle,
specctra::mesadata::SpecctraMesadata,
};
use crate::{
activity::ActivityStepperWithStatus, layers::Layers, menu_bar::MenuBar, overlay::Overlay,
painter::Painter,
};
pub struct Viewport {
pub transform: egui::emath::TSTransform,
pub scheduled_zoom_to_fit: bool,
}
impl Viewport {
pub fn new() -> Self {
Self {
transform: egui::emath::TSTransform::new([0.0, 0.0].into(), 0.01),
scheduled_zoom_to_fit: false,
}
}
pub fn update(
&mut self,
ctx: &egui::Context,
top: &MenuBar,
maybe_invoker: &mut Option<Invoker<SpecctraMesadata>>,
maybe_activity: &mut Option<ActivityStepperWithStatus>,
maybe_overlay: &mut Option<Overlay>,
maybe_layers: &Option<Layers>,
) -> egui::Rect {
let viewport_rect = self.paint(
ctx,
top,
maybe_invoker,
maybe_activity,
maybe_overlay,
maybe_layers,
);
if self.scheduled_zoom_to_fit {
self.zoom_to_fit(maybe_invoker, &viewport_rect);
}
viewport_rect
}
pub fn paint(
&mut self,
ctx: &egui::Context,
top: &MenuBar,
maybe_invoker: &mut Option<Invoker<SpecctraMesadata>>,
maybe_activity: &mut Option<ActivityStepperWithStatus>,
maybe_overlay: &mut Option<Overlay>,
maybe_layers: &Option<Layers>,
) -> egui::Rect {
egui::CentralPanel::default().show(ctx, |ui| {
egui::Frame::canvas(ui.style()).show(ui, |ui| {
ui.ctx().request_repaint();
let (_id, viewport_rect) = ui.allocate_space(ui.available_size());
let latest_pos = self.transform.inverse() * (ctx.input(|i| i.pointer.latest_pos().unwrap_or_default()));
let old_scaling = self.transform.scaling;
self.transform.scaling *= ctx.input(|i| i.zoom_delta());
self.transform.translation += latest_pos.to_vec2() * (old_scaling - self.transform.scaling);
self.transform.translation += ctx.input(|i| i.smooth_scroll_delta);
let mut painter = Painter::new(ui, self.transform, top.show_bboxes);
if let Some(ref mut invoker) = maybe_invoker {
if ctx.input(|i| i.pointer.any_click()) {
if top.is_placing_via {
invoker.execute(
Command::PlaceVia(ViaWeight {
from_layer: 0,
to_layer: 0,
circle: Circle {
pos: point! {x: latest_pos.x as f64, y: -latest_pos.y as f64},
r: 100.0,
},
maybe_net: Some(1234),
}),
);
} else if let Some(overlay) = maybe_overlay {
overlay.click(
invoker.autorouter().board(),
point! {x: latest_pos.x as f64, y: -latest_pos.y as f64},
);
}
}
if let (Some(invoker), Some(overlay)) = (
maybe_invoker,
maybe_overlay,
) {
let board = invoker.autorouter().board();
if let Some(layers) = maybe_layers {
for i in (0..layers.visible.len()).rev() {
if layers.visible[i] {
for primitive in board.layout().drawing().layer_primitive_nodes(i) {
let shape = primitive.primitive(board.layout().drawing()).shape();
let color = if overlay
.selection()
.contains_node(board, GenericNode::Primitive(primitive))
{
layers.highlight_colors[i]
} else {
if let Some(activity) = maybe_activity {
if activity.obstacles().contains(&primitive) {
layers.highlight_colors[i]
} else {
layers.colors[i]
}
} else {
layers.colors[i]
}
};
painter.paint_primitive(&shape, color);
}
for poly in board.layout().layer_poly_nodes(i) {
let color = if overlay
.selection()
.contains_node(board, GenericNode::Compound(poly.into()))
{
layers.highlight_colors[i]
} else {
layers.colors[i]
};
painter.paint_polygon(&board.layout().poly(poly).shape().polygon, color)
}
}
}
}
if top.show_ratsnest {
for edge in overlay.ratsnest().graph().edge_references() {
let from = overlay
.ratsnest()
.graph()
.node_weight(edge.source())
.unwrap()
.pos;
let to = overlay
.ratsnest()
.graph()
.node_weight(edge.target())
.unwrap()
.pos;
painter.paint_edge(
from,
to,
egui::Stroke::new(1.0, egui::Color32::from_rgb(90, 90, 200)),
);
}
}
if top.show_navmesh {
if let Some(activity) = maybe_activity {
if let Some(navmesh) = activity.maybe_navmesh() {
for edge in navmesh.edge_references() {
let mut from = PrimitiveIndex::from(navmesh.node_weight(edge.source()).unwrap().node)
.primitive(board.layout().drawing())
.shape()
.center();
let mut to = PrimitiveIndex::from(navmesh.node_weight(edge.target()).unwrap().node)
.primitive(board.layout().drawing())
.shape()
.center();
if let Some(from_cw) = navmesh.node_weight(edge.source()).unwrap().maybe_cw {
if from_cw {
from -= [0.0, 150.0].into();
} else {
from += [0.0, 150.0].into();
}
}
if let Some(to_cw) = navmesh.node_weight(edge.target()).unwrap().maybe_cw {
if to_cw {
to -= [0.0, 150.0].into();
} else {
to += [0.0, 150.0].into();
}
}
let stroke = 'blk: {
if let (Some(source_pos), Some(target_pos)) = (
activity.maybe_trace().map(|trace|
trace.path
.iter()
.position(|node| *node == edge.source())).flatten(),
activity.maybe_trace().map(|trace|
trace.path
.iter()
.position(|node| *node == edge.target())).flatten(),
) {
if target_pos == source_pos + 1
|| source_pos == target_pos + 1
{
break 'blk egui::Stroke::new(
5.0,
egui::Color32::from_rgb(250, 250, 0),
);
}
}
egui::Stroke::new(1.0, egui::Color32::from_rgb(125, 125, 125))
};
painter.paint_edge(from, to, stroke);
}
}
}
}
if top.show_bboxes {
let root_bbox3d = board.layout().drawing().rtree().root().envelope();
let root_bbox = AABB::<[f64; 2]>::from_corners([root_bbox3d.lower()[0], root_bbox3d.lower()[1]].into(), [root_bbox3d.upper()[0], root_bbox3d.upper()[1]].into());
painter.paint_bbox(root_bbox);
}
if let Some(activity) = maybe_activity {
for ghost in activity.ghosts().iter() {
painter.paint_primitive(&ghost, egui::Color32::from_rgb(75, 75, 150));
}
if let Some(navmesh) = activity.maybe_navmesh() {
if top.show_origin_destination {
let (origin, destination) = (navmesh.origin(), navmesh.destination());
painter.paint_dot(
Circle {
pos: board.layout().drawing().primitive(origin).shape().center(),
r: 150.0,
},
egui::Color32::from_rgb(255, 255, 100),
);
painter.paint_dot(
Circle {
pos: board.layout().drawing().primitive(destination).shape().center(),
r: 150.0,
},
egui::Color32::from_rgb(255, 255, 100),
);
}
}
}
}
}
viewport_rect
})
}).inner.inner
}
fn zoom_to_fit(
&mut self,
maybe_invoker: &mut Option<Invoker<SpecctraMesadata>>,
viewport_rect: &egui::Rect,
) {
if self.scheduled_zoom_to_fit {
if let Some(invoker) = maybe_invoker {
let root_bbox = invoker
.autorouter()
.board()
.layout()
.drawing()
.rtree()
.root()
.envelope();
let root_bbox_width = root_bbox.upper()[0] - root_bbox.lower()[0];
let root_bbox_height = root_bbox.upper()[1] - root_bbox.lower()[1];
if root_bbox_width / root_bbox_height
>= (viewport_rect.width() as f64) / (viewport_rect.height() as f64)
{
self.transform.scaling = 0.8 * viewport_rect.width() / root_bbox_width as f32;
} else {
self.transform.scaling = 0.8 * viewport_rect.height() / root_bbox_height as f32;
}
self.transform.translation = egui::Vec2::new(
viewport_rect.center()[0] as f32,
viewport_rect.center()[1] as f32,
) - (self.transform.scaling
* egui::Pos2::new(root_bbox.center()[0] as f32, -root_bbox.center()[1] as f32))
.to_vec2();
}
}
self.scheduled_zoom_to_fit = false;
}
}