commit b80b69bff5bb3dada9279b95bd926036119e373d
Author: antifallobst <antifallobst@systemausfall.org>
Date:   Thu Nov 30 13:25:01 2023 +0100

    initial commit: build basic infrastructure

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..6db043d
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
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diff --git a/Cargo.lock b/Cargo.lock
new file mode 100644
index 0000000..23b4eda
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diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..e8851c3
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,14 @@
+[package]
+name = "lithium"
+version = "0.1.0"
+edition = "2021"
+license = "MIT"
+authors = ["antifallobst"]
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+anyhow = "1.0.75"
+thiserror = "1.0.50"
+tokio = { version = "1.34.0", features = ["rt-multi-thread", "sync", "macros"] }
+image = "0.24.7"
\ No newline at end of file
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..1385fb4
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,46 @@
+pub mod output;
+pub mod render;
+
+use crate::output::{Metadata, Output};
+use crate::render::Renderer;
+use anyhow::Result;
+use image::RgbImage;
+
+struct TestOutput {
+    width: u32,
+    height: u32,
+    image: RgbImage,
+}
+
+impl output::Output for TestOutput {
+    fn get_meta(&self) -> Metadata {
+        Metadata {
+            width: self.width,
+            height: self.height,
+        }
+    }
+
+    fn render(&mut self, buffer: &RgbImage) -> Result<()> {
+        self.image = buffer.clone();
+        self.image.save("image.png")?;
+        Ok(())
+    }
+}
+
+impl TestOutput {
+    fn new(width: u32, height: u32) -> Self {
+        Self {
+            width,
+            height,
+            image: RgbImage::new(width, height),
+        }
+    }
+}
+
+#[tokio::main]
+async fn main() -> Result<()> {
+    let mut renderer = Renderer::new();
+    renderer.add_camera(TestOutput::new(512, 512));
+
+    Ok(())
+}
diff --git a/src/output.rs b/src/output.rs
new file mode 100644
index 0000000..08b6efa
--- /dev/null
+++ b/src/output.rs
@@ -0,0 +1,12 @@
+use anyhow::Result;
+use image::RgbImage;
+
+pub struct Metadata {
+    pub height: u32,
+    pub width: u32,
+}
+
+pub trait Output {
+    fn get_meta(&self) -> Metadata;
+    fn render(&mut self, buffer: &RgbImage) -> Result<()>;
+}
diff --git a/src/render/camera.rs b/src/render/camera.rs
new file mode 100644
index 0000000..bba51b9
--- /dev/null
+++ b/src/render/camera.rs
@@ -0,0 +1,13 @@
+use crate::output::Output;
+
+pub struct Camera {
+    output: Box<dyn Output>,
+}
+
+impl Camera {
+    pub fn new(output: impl Output + 'static) -> Self {
+        Self {
+            output: Box::new(output),
+        }
+    }
+}
diff --git a/src/render/coords.rs b/src/render/coords.rs
new file mode 100644
index 0000000..cf9b55d
--- /dev/null
+++ b/src/render/coords.rs
@@ -0,0 +1,11 @@
+pub struct Coords3d {
+    x: f32,
+    y: f32,
+    z: f32,
+}
+
+impl Coords3d {
+    pub fn new(x: f32, y: f32, z: f32) -> Self {
+        Self { x, y, z }
+    }
+}
diff --git a/src/render/mod.rs b/src/render/mod.rs
new file mode 100644
index 0000000..5b7475b
--- /dev/null
+++ b/src/render/mod.rs
@@ -0,0 +1,38 @@
+pub mod camera;
+pub mod coords;
+mod vertex;
+
+use crate::output::Output;
+use crate::render::camera::Camera;
+use crate::render::coords::Coords3d;
+use crate::render::vertex::Vertex;
+use slab::Slab;
+
+pub struct Renderer {
+    cameras: Vec<Camera>,
+    vertices: Vec<Vertex>,
+
+    vertex_id: u32,
+}
+
+impl Renderer {
+    pub fn new() -> Self {
+        Self {
+            cameras: Vec::new(),
+            vertices: Vec::new(),
+            vertex_id: 0,
+        }
+    }
+
+    pub fn add_vertex(&mut self, position: Coords3d) -> u32 {
+        let id = self.vertex_id;
+        self.vertex_id = self.vertex_id + 1;
+
+        self.vertices.push(Vertex::new(id, position));
+        id
+    }
+
+    pub fn add_camera(&mut self, output: impl Output + 'static) {
+        self.cameras.push(Camera::new(output))
+    }
+}
diff --git a/src/render/vertex.rs b/src/render/vertex.rs
new file mode 100644
index 0000000..c3e9194
--- /dev/null
+++ b/src/render/vertex.rs
@@ -0,0 +1,12 @@
+use crate::render::coords::Coords3d;
+
+pub struct Vertex {
+    id: u32,
+    position: Coords3d,
+}
+
+impl Vertex {
+    pub fn new(id: u32, position: Coords3d) -> Self {
+        Self { id, position }
+    }
+}