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| 1 | +use crate::messages::tool::{ |
| 2 | + common_functionality::shapes::shape_utility::{calculate_polygon_vertex_position, extract_polygon_parameters, inside_polygon, inside_star}, |
| 3 | + tool_messages::tool_prelude::Key, |
| 4 | +}; |
| 5 | +use std::{collections::VecDeque, f64::consts::TAU}; |
| 6 | + |
| 7 | +use crate::messages::{portfolio::document::utility_types::document_metadata::LayerNodeIdentifier, prelude::Responses}; |
| 8 | +use glam::{DAffine2, DVec2}; |
| 9 | +use graph_craft::document::{NodeInput, value::TaggedValue}; |
| 10 | + |
| 11 | +use crate::{ |
| 12 | + consts::{GIZMO_HIDE_THRESHOLD, NUMBER_OF_POINTS_HANDLE_SPOKE_EXTENSION, NUMBER_OF_POINTS_HANDLE_SPOKE_LENGTH, POINT_RADIUS_HANDLE_SEGMENT_THRESHOLD}, |
| 13 | + messages::{ |
| 14 | + frontend::utility_types::MouseCursorIcon, |
| 15 | + message::Message, |
| 16 | + portfolio::document::{overlays::utility_types::OverlayContext, utility_types::network_interface::InputConnector}, |
| 17 | + prelude::{DocumentMessageHandler, FrontendMessage, InputPreprocessorMessageHandler, NodeGraphMessage}, |
| 18 | + tool::common_functionality::{ |
| 19 | + graph_modification_utils, |
| 20 | + shape_editor::ShapeState, |
| 21 | + shapes::shape_utility::{calculate_star_vertex_position, extract_star_parameters}, |
| 22 | + }, |
| 23 | + }, |
| 24 | +}; |
| 25 | + |
| 26 | +#[derive(Clone, Debug, Default, PartialEq)] |
| 27 | +pub enum NumberOfPointsHandleState { |
| 28 | + #[default] |
| 29 | + Inactive, |
| 30 | + Hover, |
| 31 | + Dragging, |
| 32 | +} |
| 33 | + |
| 34 | +#[derive(Clone, Debug, Default)] |
| 35 | +pub struct NumberOfPointsHandle { |
| 36 | + pub layer: Option<LayerNodeIdentifier>, |
| 37 | + pub initial_points: u32, |
| 38 | + pub handle_state: NumberOfPointsHandleState, |
| 39 | +} |
| 40 | + |
| 41 | +impl NumberOfPointsHandle { |
| 42 | + pub fn cleanup(&mut self) { |
| 43 | + self.handle_state = NumberOfPointsHandleState::Inactive; |
| 44 | + self.layer = None; |
| 45 | + } |
| 46 | + pub fn update_state(&mut self, state: NumberOfPointsHandleState) { |
| 47 | + self.handle_state = state; |
| 48 | + } |
| 49 | + |
| 50 | + pub fn is_hovering(&self) -> bool { |
| 51 | + self.handle_state == NumberOfPointsHandleState::Hover |
| 52 | + } |
| 53 | + |
| 54 | + pub fn is_dragging(&self) -> bool { |
| 55 | + self.handle_state == NumberOfPointsHandleState::Dragging |
| 56 | + } |
| 57 | + |
| 58 | + pub fn handle_actions( |
| 59 | + &mut self, |
| 60 | + document: &DocumentMessageHandler, |
| 61 | + input: &InputPreprocessorMessageHandler, |
| 62 | + mouse_position: DVec2, |
| 63 | + overlay_context: &mut OverlayContext, |
| 64 | + responses: &mut VecDeque<Message>, |
| 65 | + ) { |
| 66 | + if input.keyboard.key(Key::Control) { |
| 67 | + return; |
| 68 | + } |
| 69 | + |
| 70 | + match &self.handle_state { |
| 71 | + NumberOfPointsHandleState::Inactive => { |
| 72 | + for layer in document |
| 73 | + .network_interface |
| 74 | + .selected_nodes() |
| 75 | + .selected_visible_and_unlocked_layers(&document.network_interface) |
| 76 | + .filter(|layer| { |
| 77 | + graph_modification_utils::get_star_id(*layer, &document.network_interface).is_some() || graph_modification_utils::get_polygon_id(*layer, &document.network_interface).is_some() |
| 78 | + }) { |
| 79 | + if let Some((n, radius1, radius2)) = extract_star_parameters(Some(layer), document) { |
| 80 | + let viewport = document.metadata().transform_to_viewport(layer); |
| 81 | + let center = viewport.transform_point2(DVec2::ZERO); |
| 82 | + |
| 83 | + let point_on_max_radius = calculate_star_vertex_position(viewport, 0, n, radius1, radius2); |
| 84 | + |
| 85 | + if mouse_position.distance(center) < NUMBER_OF_POINTS_HANDLE_SPOKE_LENGTH && point_on_max_radius.distance(center) > GIZMO_HIDE_THRESHOLD { |
| 86 | + self.layer = Some(layer); |
| 87 | + self.initial_points = n; |
| 88 | + self.update_state(NumberOfPointsHandleState::Hover); |
| 89 | + responses.add(FrontendMessage::UpdateMouseCursor { cursor: MouseCursorIcon::EWResize }); |
| 90 | + } |
| 91 | + } |
| 92 | + |
| 93 | + if let Some((n, radius)) = extract_polygon_parameters(Some(layer), document) { |
| 94 | + let viewport = document.metadata().transform_to_viewport(layer); |
| 95 | + let center = viewport.transform_point2(DVec2::ZERO); |
| 96 | + |
| 97 | + let point_on_max_radius = calculate_polygon_vertex_position(viewport, 0, n, radius); |
| 98 | + |
| 99 | + if mouse_position.distance(center) < NUMBER_OF_POINTS_HANDLE_SPOKE_LENGTH && point_on_max_radius.distance(center) > GIZMO_HIDE_THRESHOLD { |
| 100 | + self.layer = Some(layer); |
| 101 | + self.initial_points = n; |
| 102 | + self.update_state(NumberOfPointsHandleState::Hover); |
| 103 | + responses.add(FrontendMessage::UpdateMouseCursor { cursor: MouseCursorIcon::EWResize }); |
| 104 | + } |
| 105 | + } |
| 106 | + } |
| 107 | + } |
| 108 | + NumberOfPointsHandleState::Hover | NumberOfPointsHandleState::Dragging => { |
| 109 | + let Some(layer) = self.layer else { |
| 110 | + return; |
| 111 | + }; |
| 112 | + |
| 113 | + let Some((n, radius)) = extract_star_parameters(Some(layer), document) |
| 114 | + .map(|(n, r1, r2)| (n, r1.max(r2))) |
| 115 | + .or_else(|| extract_polygon_parameters(Some(layer), document).map(|(n, r)| (n, r))) |
| 116 | + else { |
| 117 | + return; |
| 118 | + }; |
| 119 | + |
| 120 | + let viewport = document.metadata().transform_to_viewport(layer); |
| 121 | + let center = viewport.transform_point2(DVec2::ZERO); |
| 122 | + |
| 123 | + if mouse_position.distance(center) > NUMBER_OF_POINTS_HANDLE_SPOKE_LENGTH && matches!(&self.handle_state, NumberOfPointsHandleState::Hover) { |
| 124 | + self.update_state(NumberOfPointsHandleState::Inactive); |
| 125 | + self.layer = None; |
| 126 | + self.draw_spokes(center, viewport, n, radius, overlay_context); |
| 127 | + responses.add(FrontendMessage::UpdateMouseCursor { cursor: MouseCursorIcon::Default }); |
| 128 | + |
| 129 | + return; |
| 130 | + } |
| 131 | + } |
| 132 | + } |
| 133 | + } |
| 134 | + |
| 135 | + pub fn overlays( |
| 136 | + &mut self, |
| 137 | + document: &DocumentMessageHandler, |
| 138 | + input: &InputPreprocessorMessageHandler, |
| 139 | + shape_editor: &mut &mut ShapeState, |
| 140 | + mouse_position: DVec2, |
| 141 | + overlay_context: &mut OverlayContext, |
| 142 | + ) { |
| 143 | + if input.keyboard.key(Key::Control) { |
| 144 | + return; |
| 145 | + } |
| 146 | + |
| 147 | + match &self.handle_state { |
| 148 | + NumberOfPointsHandleState::Inactive => { |
| 149 | + for layer in document |
| 150 | + .network_interface |
| 151 | + .selected_nodes() |
| 152 | + .selected_visible_and_unlocked_layers(&document.network_interface) |
| 153 | + .filter(|layer| { |
| 154 | + graph_modification_utils::get_star_id(*layer, &document.network_interface).is_some() || graph_modification_utils::get_polygon_id(*layer, &document.network_interface).is_some() |
| 155 | + }) { |
| 156 | + if let Some((n, radius1, radius2)) = extract_star_parameters(Some(layer), document) { |
| 157 | + let radius = radius1.max(radius2); |
| 158 | + let viewport = document.metadata().transform_to_viewport(layer); |
| 159 | + let center = viewport.transform_point2(DVec2::ZERO); |
| 160 | + |
| 161 | + if let Some(closest_segment) = shape_editor.upper_closest_segment(&document.network_interface, mouse_position, POINT_RADIUS_HANDLE_SEGMENT_THRESHOLD) { |
| 162 | + if closest_segment.layer() == layer { |
| 163 | + return; |
| 164 | + } |
| 165 | + } |
| 166 | + let point_on_max_radius = calculate_star_vertex_position(viewport, 0, n, radius1, radius2); |
| 167 | + |
| 168 | + if inside_star(viewport, n, radius1, radius2, mouse_position) && point_on_max_radius.distance(center) > GIZMO_HIDE_THRESHOLD { |
| 169 | + self.draw_spokes(center, viewport, n, radius, overlay_context); |
| 170 | + return; |
| 171 | + } |
| 172 | + } |
| 173 | + |
| 174 | + if let Some((n, radius)) = extract_polygon_parameters(Some(layer), document) { |
| 175 | + let viewport = document.metadata().transform_to_viewport(layer); |
| 176 | + let center = viewport.transform_point2(DVec2::ZERO); |
| 177 | + |
| 178 | + if let Some(closest_segment) = shape_editor.upper_closest_segment(&document.network_interface, mouse_position, POINT_RADIUS_HANDLE_SEGMENT_THRESHOLD) { |
| 179 | + if closest_segment.layer() == layer { |
| 180 | + return; |
| 181 | + } |
| 182 | + } |
| 183 | + let point_on_max_radius = calculate_polygon_vertex_position(viewport, 0, n, radius); |
| 184 | + |
| 185 | + if inside_polygon(viewport, n, radius, mouse_position) && point_on_max_radius.distance(center) > GIZMO_HIDE_THRESHOLD { |
| 186 | + self.draw_spokes(center, viewport, n, radius, overlay_context); |
| 187 | + return; |
| 188 | + } |
| 189 | + } |
| 190 | + } |
| 191 | + } |
| 192 | + NumberOfPointsHandleState::Hover | NumberOfPointsHandleState::Dragging => { |
| 193 | + let Some(layer) = self.layer else { |
| 194 | + return; |
| 195 | + }; |
| 196 | + |
| 197 | + let Some((n, radius)) = extract_star_parameters(Some(layer), document) |
| 198 | + .map(|(n, r1, r2)| (n, r1.max(r2))) |
| 199 | + .or_else(|| extract_polygon_parameters(Some(layer), document).map(|(n, r)| (n, r))) |
| 200 | + else { |
| 201 | + return; |
| 202 | + }; |
| 203 | + |
| 204 | + let viewport = document.metadata().transform_to_viewport(layer); |
| 205 | + let center = viewport.transform_point2(DVec2::ZERO); |
| 206 | + |
| 207 | + self.draw_spokes(center, viewport, n, radius, overlay_context); |
| 208 | + } |
| 209 | + } |
| 210 | + } |
| 211 | + |
| 212 | + fn draw_spokes(&self, center: DVec2, viewport: DAffine2, n: u32, radius: f64, overlay_context: &mut OverlayContext) { |
| 213 | + for i in 0..n { |
| 214 | + let angle = ((i as f64) * TAU) / (n as f64); |
| 215 | + |
| 216 | + let point = viewport.transform_point2(DVec2 { |
| 217 | + x: radius * angle.sin(), |
| 218 | + y: -radius * angle.cos(), |
| 219 | + }); |
| 220 | + |
| 221 | + let Some(direction) = (point - center).try_normalize() else { |
| 222 | + continue; |
| 223 | + }; |
| 224 | + |
| 225 | + // If the user zooms out such that shape is very small hide the gizmo |
| 226 | + if point.distance(center) < GIZMO_HIDE_THRESHOLD { |
| 227 | + return; |
| 228 | + } |
| 229 | + |
| 230 | + let end_point = direction * NUMBER_OF_POINTS_HANDLE_SPOKE_LENGTH; |
| 231 | + if matches!(self.handle_state, NumberOfPointsHandleState::Hover | NumberOfPointsHandleState::Dragging) { |
| 232 | + overlay_context.line(center, end_point * NUMBER_OF_POINTS_HANDLE_SPOKE_EXTENSION + center, None, None); |
| 233 | + } else { |
| 234 | + overlay_context.line(center, end_point + center, None, None); |
| 235 | + } |
| 236 | + } |
| 237 | + } |
| 238 | + |
| 239 | + pub fn update_no_of_sides(&self, document: &DocumentMessageHandler, input: &InputPreprocessorMessageHandler, responses: &mut VecDeque<Message>, drag_start: DVec2) { |
| 240 | + let delta = input.mouse.position - document.metadata().document_to_viewport.transform_point2(drag_start); |
| 241 | + let sign = (input.mouse.position.x - document.metadata().document_to_viewport.transform_point2(drag_start).x).signum(); |
| 242 | + let net_delta = (delta.length() / 25.0).round() * sign; |
| 243 | + |
| 244 | + let Some(layer) = self.layer else { |
| 245 | + return; |
| 246 | + }; |
| 247 | + |
| 248 | + let Some(node_id) = graph_modification_utils::get_star_id(layer, &document.network_interface).or(graph_modification_utils::get_polygon_id(layer, &document.network_interface)) else { |
| 249 | + return; |
| 250 | + }; |
| 251 | + |
| 252 | + let new_point_count = ((self.initial_points as i32) + (net_delta as i32)).max(3); |
| 253 | + |
| 254 | + responses.add(NodeGraphMessage::SetInput { |
| 255 | + input_connector: InputConnector::node(node_id, 1), |
| 256 | + input: NodeInput::value(TaggedValue::U32(new_point_count as u32), false), |
| 257 | + }); |
| 258 | + responses.add(NodeGraphMessage::RunDocumentGraph); |
| 259 | + } |
| 260 | +} |
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