61 lines
1.3 KiB
Rust
61 lines
1.3 KiB
Rust
use glyphon::{Attrs, Buffer, Color, Family, Metrics, Shaping, TextArea, TextBounds};
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use crate::{RenderInput, RenderState};
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pub(crate) struct FpsIndicator {
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buffer: Buffer,
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update_counter: u32,
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}
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impl FpsIndicator {
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pub fn new(state: &mut RenderState) -> Self {
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let mut buffer = Buffer::new(&mut state.text_font_system, Metrics::new(7.0, 8.0));
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buffer.set_size(
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&mut state.text_font_system,
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state.window_size.width as f32,
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state.window_size.height as f32,
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);
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Self {
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buffer,
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update_counter: 0,
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}
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}
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}
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impl FpsIndicator {
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pub fn step(&mut self, input: &RenderInput, state: &mut RenderState) {
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if self.update_counter > 0 {
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self.update_counter -= 1;
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return;
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}
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self.update_counter = 100;
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self.buffer.set_text(
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&mut state.text_font_system,
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&input.timing.get_string(),
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Attrs::new().family(Family::Monospace),
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Shaping::Basic,
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);
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self.buffer.shape_until_scroll(&mut state.text_font_system);
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}
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}
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impl<'a, 'b: 'a> FpsIndicator {
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pub fn get_textarea(&'b self, _state: &RenderState, input: &RenderInput) -> TextArea<'a> {
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TextArea {
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buffer: &self.buffer,
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left: 10.0,
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top: 400.0,
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scale: input.ct.get_config().ui_scale,
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bounds: TextBounds {
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left: 10,
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top: 400,
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right: 300,
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bottom: 800,
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},
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default_color: Color::rgb(255, 255, 255),
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}
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}
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}
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