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|
use teleia::*;
use lexpr::sexp;
use base64::prelude::*;
use crate::{fig, overlay, toggle};
pub const WIDTH: f32 = 500.0;
pub const HEIGHT: f32 = 700.0;
pub struct Quote {
text: String,
start_time: u64,
}
pub struct Overlay {
fb: framebuffer::Framebuffer,
shader: shader::Shader,
font: font::TrueType,
quote: Option<Quote>,
}
impl Overlay {
pub fn new(ctx: &context::Context) -> Self {
Self {
fb: framebuffer::Framebuffer::new(ctx, &glam::Vec2::new(WIDTH, HEIGHT), &glam::Vec2::new(0.0, 0.0)),
shader: shader::Shader::new(ctx, include_str!("../assets/shaders/irish/vert.glsl"), include_str!("../assets/shaders/irish/frag.glsl")),
font: font::TrueType::new(ctx, 40.0, include_bytes!("../assets/fonts/HennyPenny-Regular.ttf")),
quote: None,
}
}
pub fn handle_start(
&mut self,
ctx: &context::Context, st: &state::State,
msg: fig::SexpMessage
) -> Option<()> {
let bq = BASE64_STANDARD.decode(msg.data.get(0)?.as_str()?).ok()?;
let quote = String::from_utf8_lossy(&bq);
self.quote = Some(Quote { text: quote.to_string(), start_time: st.tick });
Some(())
}
pub fn handle_update(
&mut self,
ctx: &context::Context, st: &state::State,
msg: fig::SexpMessage
) -> Option<()> {
let bq = BASE64_STANDARD.decode(msg.data.get(0)?.as_str()?).ok()?;
let quote = String::from_utf8_lossy(&bq);
if let Some(q) = &mut self.quote {
q.text = quote.to_string();
}
Some(())
}
pub fn handle_save(
&mut self,
ctx: &context::Context, st: &state::State,
msg: fig::SexpMessage
) -> Option<()> {
let bq = BASE64_STANDARD.decode(msg.data.get(0)?.as_str()?).ok()?;
let path = String::from_utf8_lossy(&bq);
let mut buf = vec![0; (WIDTH * HEIGHT * 4.0) as usize];
self.fb.get_pixels_raw(ctx, &mut buf);
let img = image::RgbaImage::from_raw(WIDTH as u32, HEIGHT as u32, buf)?;
img.save_with_format(path.to_string(), image::ImageFormat::Png).ok()?;
Some(())
}
}
impl overlay::Overlay for Overlay {
fn reset(&mut self, ctx: &context::Context, st: &mut state::State, ost: &mut overlay::State) -> Erm<()> {
self.quote = None;
Ok(())
}
fn handle(&mut self, ctx: &context::Context, st: &mut state::State, ost: &mut overlay::State, msg: fig::SexpMessage) -> Erm<()> {
let malformed = format!("malformed {} data: {}", msg.event, msg.data);
if msg.event == sexp!((overlay irish start)) {
if self.handle_start(ctx, st, msg).is_none() { log::warn!("{}", malformed) }
} else if msg.event == sexp!((overlay irish update)) {
if self.handle_update(ctx, st, msg).is_none() { log::warn!("{}", malformed) }
} else if msg.event == sexp!((overlay irish save)) {
if self.handle_save(ctx, st, msg).is_none() { log::warn!("{}", malformed) }
}
Ok(())
}
fn render(&mut self, ctx: &context::Context, st: &mut state::State, ost: &mut overlay::State) -> Erm<()> {
if let Some(q) = &self.quote {
st.bind_framebuffer(ctx, &self.fb);
ctx.clear();
st.bind_2d(ctx, &ost.assets.shader_flat);
ost.backgrounds.drawing.bind(ctx);
ost.assets.shader_flat.set_f32(ctx, "transparency", 0.0);
ost.assets.shader_flat.set_mat4(ctx, "view", &glam::Mat4::IDENTITY);
ost.assets.shader_flat.set_mat4(ctx, "position", &glam::Mat4::IDENTITY);
st.mesh_square.render(ctx);
self.font.render_text_helper(ctx, st,
&glam::Vec2::new(0.0, 0.0),
&glam::Vec2::new(21.0, 40.0),
&q.text,
&[]
);
st.bind_render_framebuffer(ctx);
st.bind_2d(ctx, &self.shader);
self.fb.bind_texture(ctx);
self.shader.set_position_2d(
ctx,
&glam::Vec2::new(1000.0, 200.0),
&glam::Vec2::new(WIDTH, HEIGHT)
);
st.mesh_square.render(ctx);
}
Ok(())
}
}
|
