1 files changed, 194 insertions, 0 deletions
diff --git a/crates/renderer/src/overlay/multi.rs b/crates/renderer/src/overlay/multi.rs
new file mode 100644
index 0000000..7737a1e
--- /dev/null
+++ b/crates/renderer/src/overlay/multi.rs
@@ -0,0 +1,194 @@
+use std::{collections::HashMap, f32::consts::PI};
+
+use teleia::*;
+
+use lexpr::sexp;
+use crate::{assets, fig, terminal};
+
+struct Model {
+    model: scene::Scene,
+    pos: glam::Vec3,
+    neck_base: glam::Mat4,
+    tracking_eyes: (f32, f32),
+    tracking_mouth: f32,
+    tracking_neck: glam::Quat,
+}
+impl Model {
+    pub fn new(ctx: &context::Context, pos: glam::Vec3) -> Self {
+        let model = scene::Scene::from_gltf(ctx, include_bytes!("../assets/scenes/lcolonq.vrm"));
+        let neck_base = model.nodes_by_name.get("J_Bip_C_Neck")
+            .and_then(|i| model.nodes.get(*i))
+            .expect("failed to find neck joint")
+            .transform;
+        Self {
+            model,
+            pos,
+            neck_base,
+            tracking_eyes: (1.0, 1.0),
+            tracking_mouth: 0.0,
+            tracking_neck: glam::Quat::IDENTITY,
+        }
+    }
+    pub fn handle_tracking(&mut self, msg: fig::Message) -> Option<()> {
+        let eyes = msg.data.get(0)?;
+        let eye_left = eyes.get(0)?.as_str()?.parse::<f32>().ok()?;
+        let eye_right = eyes.get(1)?.as_str()?.parse::<f32>().ok()?;
+        let mouth = msg.data.get(1)?.as_str()?.parse::<f32>().ok()?;
+        let euler = msg.data.get(2)?;
+        let euler_x = euler.get(0)?.as_str()?.parse::<f32>().ok()?.to_radians();
+        let euler_y = PI - euler.get(1)?.as_str()?.parse::<f32>().ok()?.to_radians();
+        let euler_z = euler.get(2)?.as_str()?.parse::<f32>().ok()?.to_radians() + PI/2.0;
+        self.tracking_eyes = (eye_left, eye_right);
+        self.tracking_mouth = mouth;
+        self.tracking_neck = glam::Quat::from_euler(glam::EulerRot::XYZ, euler_x, euler_y, euler_z);
+        Some(())
+    }
+    fn render(
+        &mut self,
+        ctx: &context::Context, st: &mut state::State,
+        a: &assets::Assets,
+    ) -> Option<()> {
+        if let Some(n) = self.model.nodes_by_name.get("J_Bip_C_Neck").and_then(|i| self.model.nodes.get_mut(*i)) {
+            n.transform = self.neck_base * glam::Mat4::from_quat(self.tracking_neck);
+        }
+        st.bind_3d(ctx, &a.shader_scene);
+        a.shader_scene.set_position_3d(
+            ctx,
+            &glam::Mat4::from_translation(self.pos),
+        );
+        self.model.render(ctx, &a.shader_scene);
+        Some(())
+    }
+}
+
+pub struct Overlay {
+    assets: assets::Assets,
+    models: Vec<Model>,
+    fb: framebuffer::Framebuffer,
+    term: terminal::Terminal,
+    fig: fig::Client,
+}
+impl Overlay {
+    pub fn new(ctx: &context::Context) -> Self {
+        let models = vec![
+            Model::new(ctx, glam::Vec3::new(0.2, -1.63, 0.42)),
+            Model::new(ctx, glam::Vec3::new(-0.2, -1.63, 0.42)),
+        ];
+        Self {
+            assets: assets::Assets::new(ctx),
+            fb: framebuffer::Framebuffer::new(
+                ctx,
+                &glam::Vec2::new(128.0, 64.0),
+                &glam::Vec2::ZERO
+            ),
+            term: terminal::Terminal::new(ctx, 128, 64),
+            models,
+            fig: fig::Client::new("shiro:32050", &[
+                sexp!((avatar toggle)),
+                sexp!((avatar toggle set)),
+                sexp!((avatar toggle unset)),
+                sexp!((avatar text)),
+                sexp!((avatar frame)),
+                sexp!((avatar reset)),
+                sexp!((avatar tracking)),
+            ]),
+        }
+    }
+    fn render_texture(&self, ctx: &context::Context, st: &mut state::State, tex: &texture::Texture, pos: glam::Vec2, dims: glam::Vec2) {
+        self.assets.shader_flat.bind(ctx);
+        self.assets.shader_flat.set_mat4(&ctx, "projection", &glam::Mat4::IDENTITY);
+        let width = self.term.width as f32;
+        let halfwidth = dims.x / 2.0;
+        let height = self.term.height as f32;
+        let halfheight = dims.y / 2.0;
+        self.assets.shader_flat.set_mat4(
+            ctx, "view",
+            &glam::Mat4::from_scale(
+                glam::Vec3::new(
+                    2.0 / width,
+                    2.0 / height,
+                    1.0,
+                ),
+            ),
+        );
+        self.assets.shader_flat.set_mat4(
+            &ctx, "position",
+            &glam::Mat4::from_scale_rotation_translation(
+                glam::Vec3::new(halfwidth, halfheight, 1.0),
+                glam::Quat::IDENTITY,
+                glam::Vec3::new(
+                    -width / 2.0 + pos.x + halfwidth,
+                    height / 2.0 - pos.y - halfheight,
+                    0.0,
+                ),
+            )
+        );
+        tex.bind(ctx);
+        self.assets.mesh_square.render(ctx);
+    }
+}
+impl teleia::state::Game for Overlay {
+    fn initialize_audio(&self, ctx: &context::Context, st: &state::State, actx: &audio::Context) -> HashMap<String, audio::Audio> {
+        HashMap::new()
+    }
+    fn finish_title(&mut self, _st: &mut state::State) {}
+    fn mouse_press(&mut self, _ctx: &context::Context, _st: &mut state::State) {}
+    fn mouse_move(&mut self, _ctx: &context::Context, _st: &mut state::State, _x: i32, _y: i32) {}
+    fn update(&mut self, ctx: &context::Context, st: &mut state::State) -> Erm<()> {
+        st.projection = glam::Mat4::perspective_lh(
+            PI / 4.0,
+            self.term.width as f32 / self.term.height as f32,
+            0.1, 10.0
+        );
+        st.move_camera(
+            ctx,
+            &glam::Vec3::new(0.0, 0.0, 1.0),
+            &glam::Vec3::new(0.0, 0.0, -1.0),
+            &glam::Vec3::new(0.0, 1.0, 0.0),
+        );
+        while let Some(msg) = self.fig.pump() {
+            let malformed = format!("malformed {} data: {}", msg.event, msg.data);
+            if msg.event == sexp!((avatar tracking)) {
+                if let Some(eidx) = msg.data.get(3) {
+                    if let Some(idx) = eidx.as_u64() {
+                        if let Some(m) = self.models.get_mut(idx as usize) {
+                            if m.handle_tracking(msg.clone()).is_none() { log::warn!("{}", malformed) }
+                        } else { log::warn!("index {} out of bounds", idx) }
+                    }
+                } else { log::warn!("missing index") }
+            }
+        }
+        Ok(())
+    }
+    fn render(&mut self, ctx: &context::Context, st: &mut state::State) -> Erm<()> {
+        self.fb.bind(ctx);
+        ctx.clear_color(glam::Vec4::new(0.0, 0.0, 0.0, 0.0));
+        ctx.clear();
+        self.render_texture(
+            ctx, st, &self.assets.texture_operatop,
+            glam::Vec2::new(0.0, 0.0),
+            glam::Vec2::new(128.0, 76.0),
+        );
+        ctx.clear_depth();
+        for m in self.models.iter_mut() {
+            m.render(ctx, st, &self.assets);
+        }
+        ctx.clear_depth();
+        self.render_texture(
+            ctx, st, &self.assets.texture_mod,
+            glam::Vec2::new(32.0, 0.0),
+            glam::Vec2::new(32.0, 16.0),
+        );
+        self.render_texture(
+            ctx, st, &self.assets.texture_operabottom,
+            glam::Vec2::new(0.0, 55.0),
+            glam::Vec2::new(128.0, 22.0),
+        );
+        st.render_framebuffer.bind(ctx);
+        self.term.update(ctx, &self.fb);
+        ctx.clear_color(glam::Vec4::new(0.0, 0.0, 0.0, 0.0));
+        ctx.clear();
+        self.term.render(ctx, &glam::Vec2::new(0.0, 0.0));
+        Ok(())
+    }
+}