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@ -1,6 +1,6 @@
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use std::time::{Duration, Instant};
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use skulpin::skia_safe::{Canvas, Paint, Path, Point};
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use skulpin::skia_safe::{BlendMode, Canvas, Color, Paint, Path, Point, Rect};
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use crate::settings::SETTINGS;
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use crate::renderer::animation_utils::*;
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@ -9,9 +9,8 @@ use crate::editor::{EDITOR, Colors, Cursor, CursorShape};
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use crate::redraw_scheduler::REDRAW_SCHEDULER;
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const BASE_ANIMATION_LENGTH_SECONDS: f32 = 0.06;
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const CURSOR_TRAIL_SIZE: f32 = 0.6;
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const CURSOR_TRAIL_SIZE: f32 = 0.9;
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const COMMAND_LINE_DELAY_FRAMES: u64 = 5;
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const DEFAULT_CELL_PERCENTAGE: f32 = 1.0 / 8.0;
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@ -151,10 +150,10 @@ impl Corner {
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d
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};
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let direction_alignment = corner_direction.dot(self.relative_position);
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let direction_alignment = -corner_direction.dot(self.relative_position); // TODO -- Fix math below so this doesn't have to be negated
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self.current_position =
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ease_point(ease_linear, self.start_position, corner_destination, self.t);
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ease_point(ease_out_quad, self.start_position, corner_destination, self.t);
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if self.t == 1.0 {
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// We are at destination, move t out of 0-1 range to stop the animation
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@ -168,12 +167,52 @@ impl Corner {
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}
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}
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// TODO -- Split into own file, make it a trait to have several impls
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// TODO -- Rename this impl as SonicBoom
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pub struct CursorVFX {
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t: f32,
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center_position: Point,
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}
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impl CursorVFX {
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fn update(&mut self, dt: f32) -> bool {
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self.t = (self.t + dt * 5.0).min(1.0); // TODO - speed config
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return self.t < 1.0
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}
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fn reset(&mut self, position: Point) {
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self.t = 0.0;
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self.center_position = position;
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}
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fn render(&self, _paint: &mut Paint, canvas: &mut Canvas, cursor: &Cursor, colors: &Colors) {
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if self.t == 1.0 {
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return;
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}
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let mut paint = Paint::new(skulpin::skia_safe::colors::WHITE, None);
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paint.set_blend_mode(BlendMode::SrcOver);
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let base_color : Color = cursor.background(&colors).to_color();
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let alpha = ((1.0 - self.t) * 255.0) as u8;
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let color = Color::from_argb(alpha, base_color.r(), base_color.g(), base_color.b());
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paint.set_color(color);
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let size = 40.0; // TODO -- Compute from font size
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let radius = self.t * size;
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let hr = radius * 0.5;
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let rect = Rect::from_xywh(self.center_position.x - hr, self.center_position.y - hr, radius, radius);
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canvas.draw_oval(&rect, &paint);
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}
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}
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pub struct CursorRenderer {
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pub corners: Vec<Corner>,
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pub previous_position: (u64, u64),
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pub command_line_delay: u64,
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blink_status: BlinkStatus,
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previous_cursor_shape: Option<CursorShape>,
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cursor_vfx: CursorVFX,
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}
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impl CursorRenderer {
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@ -184,19 +223,13 @@ impl CursorRenderer {
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command_line_delay: 0,
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blink_status: BlinkStatus::new(),
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previous_cursor_shape: None,
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cursor_vfx: CursorVFX{t: 0.0, center_position: Point{x:0.0, y:0.0}},
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};
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renderer.set_cursor_shape(&CursorShape::Block, DEFAULT_CELL_PERCENTAGE);
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renderer
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}
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fn set_cursor_shape(&mut self, cursor_shape: &CursorShape, cell_percentage: f32) {
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let new_cursor = Some(cursor_shape.clone());
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if self.previous_cursor_shape == new_cursor {
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return;
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}
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self.previous_cursor_shape = new_cursor;
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self.corners = self.corners
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.clone()
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.into_iter().enumerate()
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@ -229,6 +262,8 @@ impl CursorRenderer {
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canvas: &mut Canvas) {
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let render = self.blink_status.update_status(&cursor);
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paint.set_anti_alias(true);
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self.previous_position = {
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let editor = EDITOR.lock();
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let (_, grid_y) = cursor.position;
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@ -246,6 +281,7 @@ impl CursorRenderer {
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cursor.position
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}
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};
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let (grid_x, grid_y) = self.previous_position;
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@ -270,7 +306,14 @@ impl CursorRenderer {
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let destination: Point = (grid_x as f32 * font_width, grid_y as f32 * font_height).into();
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let center_destination = destination + font_dimensions * 0.5;
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self.set_cursor_shape(&cursor.shape, cursor.cell_percentage.unwrap_or(DEFAULT_CELL_PERCENTAGE));
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let new_cursor = Some(cursor.shape.clone());
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if self.previous_cursor_shape != new_cursor {
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self.previous_cursor_shape = new_cursor;
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self.set_cursor_shape(&cursor.shape, cursor.cell_percentage.unwrap_or(DEFAULT_CELL_PERCENTAGE));
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self.cursor_vfx.reset(center_destination);
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}
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let dt = 1.0 / (SETTINGS.get("refresh_rate").read_u16() as f32);
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@ -280,6 +323,8 @@ impl CursorRenderer {
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let corner_animating = corner.update(font_dimensions, center_destination, dt);
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animating |= corner_animating;
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}
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let vfx_animating = self.cursor_vfx.update(dt);
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animating |= vfx_animating;
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}
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if animating || self.command_line_delay != 0 {
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@ -310,6 +355,7 @@ impl CursorRenderer {
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canvas.draw_text_blob(&blob, destination, &paint);
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}
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canvas.restore();
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self.cursor_vfx.render(paint, canvas, &cursor, &default_colors);
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}
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}
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}
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