micro-cleanup

Cargo.toml

@@ -11,8 +11,10 @@ config = "0.13.3"
 ctrlc = "3.4.0"
 env_logger = "0.10.0"
 helios-dac = { version = "0.1", default-features = false, features = ["native"] }
+	   	       
 log = "0.4.18"
 redis = "0.23.0"
 ron = "0.8.0"
 serde = { version = "1.0.163", features = ["derive"] }
 toml = "0.7.4"
+nalgebra = "0.32.2"

copyme.settings.toml

@@ -15,6 +15,9 @@ redis_url = "redis://127.0.0.1:6379/"
 [dac.helios]
 id = 0
 
+# For dummy dac:
+# [dac.dummy]
+
 # For Etherdream. IP of the DAC
 # [dac.etherdream]
 # url = "192.168.1.68"

src/conf.rs

@@ -19,6 +19,8 @@ pub enum DacFamily {
     Helios(HeliosConf),
     #[serde(rename = "etherdream")] 
     Etherdream(EtherDreamConf),
+    #[serde(rename = "dummy")] 
+    Dummy,
 }
 
 #[derive(Serialize, Deserialize, Debug, Clone)]
@@ -44,8 +46,9 @@ pub enum TransformConf {
     #[serde(rename = "flip_vertical")] 
     FlipV(transformer::FlipVertical),    
     #[serde(rename = "grid")] 
-    Grid(transformer::Grid)
+    Grid(transformer::Grid),
-
+    #[serde(rename = "homography")] 
+    Homography(transformer::Homography)
 }
 
 
@@ -68,7 +71,8 @@ impl Conf {
 		TransformConf::Rotate(r) => Box::new(*r),
 		TransformConf::FlipH(r) => Box::new(*r),
 		TransformConf::FlipV(r) => Box::new(*r),		
-		TransformConf::Grid(r) => Box::new(*r)
+		TransformConf::Grid(r) => Box::new(*r),
+		TransformConf::Homography(r) => Box::new(*r),
 	    };
 	    v.push(t);
 	}

src/device.rs

@@ -1,9 +1,11 @@
 
 mod helios;
+mod dummy;
 
 use std::fmt;
 use crate::conf::{Conf, DacFamily /*EtherDreamConf, HeliosConf*/};
 use crate::device::helios::HeliosDevice;
+use crate::device::dummy::DummyDevice;
 use crate::errors::LJResult;
 use crate::point::Point;
 use serde::Serialize;
@@ -57,9 +59,10 @@ pub trait Device {
 }
 
 pub fn device_factory(config: &Conf) -> LJResult<Box<dyn Device>> {
-	let device = match &config.dac {
+	let device : Box<dyn Device> = match &config.dac {
 	    DacFamily::Helios(conf) => Box::new(HeliosDevice::new(conf)?),
 	    DacFamily::Etherdream(_conf) => todo!(),
+	    DacFamily::Dummy => Box::new(DummyDevice::new()?)
 	};
 	Ok(device)
 }

src/device/dummy.rs

@@ -0,0 +1,38 @@
+use crate::device::{Device, Status, PlaybackState};
+use crate::errors::LJResult;
+use crate::point::Point;
+use log::debug;
+
+pub struct DummyDevice {
+    state: PlaybackState
+}
+
+impl DummyDevice {
+	pub fn new() -> LJResult<Self> {
+	    Ok(Self { state: PlaybackState::IDLE })
+	}
+}
+
+impl Device for DummyDevice {
+	fn status(&self) -> Status {
+		Status {
+			last_traced_at: "never".to_string(),
+			properties: vec!["foo".to_string()],
+			playback_state: self.state,
+			capacity: 0,
+			lack: "lack".to_string()
+		}
+	}
+
+	fn draw(&mut self,
+	        line: Vec<Point>,
+	        speed: u32,
+	) -> LJResult<()> {
+	    debug!("Draw Line at speed {speed} : {:?}", line);
+	    Ok(())
+	}
+
+	fn stop(&mut self) -> LJResult<()> {
+		Ok(())
+	}
+}

src/errors.rs

@@ -9,7 +9,8 @@ pub type LJResult<T> = Result<T, Box<dyn std::error::Error>>;
 pub enum LJError {
     Config(ConfigError),
     RedisConnect(RedisError),
-    HeliosDeviceMissing
+    HeliosDeviceMissing,
+    BadEDH
 }
 
 impl fmt::Display for LJError {
@@ -26,6 +27,9 @@ impl fmt::Display for LJError {
 	    },
 	    HeliosDeviceMissing => {
 		write!(f, "helios device not found")
+	    },
+	    BadEDH => {
+		write!(f, "EDH matrix is not a 3x3 matrix")
 	    }
 	}
     }

src/lib.rs

@@ -4,3 +4,4 @@ pub mod errors;
 pub mod device;
 pub mod point;
 pub mod transformer;
+pub mod worldstate;

src/main.rs

@@ -8,6 +8,7 @@ mod errors;
 mod point;
 mod transformer;
 mod device;
+mod worldstate;
 
 use device::device_factory;
 use std::sync::atomic::{AtomicBool, Ordering};
@@ -19,6 +20,7 @@ use point::Point;
 use transformer::Transformers;
 use log::{LevelFilter, info, /* warn, */ error};
 use env_logger::Builder;
+use worldstate::WorldState;
 
 const DEFAULT_CONF_FILE: &str = "settings.toml";
 
@@ -31,6 +33,7 @@ pub fn main() {
 	}
 }
 
+
 fn run_all() -> LJResult<()> {
 	// Setup configuration file and set up logs
 	let filename = std::env::args().nth(1).unwrap_or_else(|| {
@@ -47,6 +50,8 @@ fn run_all() -> LJResult<()> {
 	// Setup Redis Service
 	let mut rs = RedisCtrl::new(&config.redis_url, &config.laser_id)?;
 
+	let mut world_state = rs.init_world_state()?;
+
 	// Setup handler for interrupt Signals
 	let running = Arc::new(AtomicBool::new(true));
 	let r = running.clone();
@@ -65,17 +70,46 @@ fn run_all() -> LJResult<()> {
 
 	// Dispatch based on redis requests
 	while running.load(Ordering::SeqCst) {
-		rs.set_status( tracer.status())?;
+		rs.set_status(tracer.status())?;
-		let order = rs.get_order(config.laser_id)?;
-		if order != Order::Draw {
-			info!("Order: {:?}", order);
-		}
 
-		let frame = get_next_frame(&config, &transformers,
+		let order = rs.get_order(config.laser_id)?;
-		                           &mut rs, order == Order::Black)?;
+		// 0 : Draw Normal point list
+		// 2 : Draw BLACK point list
+		// 3 : Draw GRID point list
+
+		// /worldstate.rs
+		// /edh.rs
+
+		// 1 : Get the new EDH          = reread redis key /EDH/lasernumber
+		// 4 : Resampler Change (longs and shorts lsteps)
+		// 5 : Client Key Change        = reread redis key /clientkey
+		// 6 : Max Intensity Change     = reread redis key /intensity
+		// 7 : kpps change              = reread redis key /kpps
+		// 8 : color balance change     = reread redis keys /red /green /blue
+
+		match order {
+			Order::Draw => {
+				let frame = get_next_frame(
+					&config,
+					&transformers,
+					&mut rs, 
+					// order == Order::Black,
+					&world_state
+				)?;
 				// For now, draw all the time
 				tracer.draw(frame, 2_000)?;
 			}
+			Order::Edh => {
+				world_state.edh = rs.get_edh()?;
+			}
+
+			// Order::ClientKey => rs.client_key(),
+			// Order::ColorBalance => {},
+			_ => {
+				info!("Order: {:?}", order);
+			}
+		}
+	}
 
 	info!("Exiting, stoping device.");
 	tracer.stop()?;
@@ -101,7 +135,7 @@ fn get_next_frame(
 	config: &Conf,
 	transformers: &[Box<dyn Transformers>],
 	rs: &mut RedisCtrl,
-	_black: bool,
+	world_state : &WorldState
 ) -> LJResult<Vec<Point>> {
 	let line = rs.get(&format!("/pl/{}/0", config.laser_id))?;
 	let mut line: Vec<Point> = line.into_iter()
@@ -109,9 +143,10 @@ fn get_next_frame(
 		.collect();
 
 	for transformer in transformers {
-		line = transformer.apply(&line);
+		line = transformer.apply(&line, world_state);
 	}
 
 	//info!("Line: {:?}", line);
 	Ok(line)
 }
+

src/point.rs

@@ -1,11 +1,11 @@
-#[derive(Debug,Clone,Copy)]
+#[derive(Debug,Clone,Copy,Default,PartialEq)]
 pub struct Point {
     pub x: f32,
     pub y: f32,
     pub color: Color
 }
 
-#[derive(Debug,Clone,Copy)]
+#[derive(Debug,Clone,Copy,Default,PartialEq)]
 pub struct Color {
     r: u8,
     g: u8,

src/redis_ctrl.rs

@@ -2,6 +2,8 @@ use redis::{Client, Commands, Connection};
 use ron::de::from_str;
 use crate::device::Status;
 use crate::errors::{LJError, LJResult};
+use crate::worldstate::{WorldState,EDH};
+use log::info;
 
 #[repr(u8)]
 #[derive(Debug, PartialEq)]
@@ -96,4 +98,23 @@ impl RedisCtrl {
 		self.set(lack_key, status.lack.to_string())?;
 		Ok(())
 	}
+
+	pub fn init_world_state( &mut self) -> LJResult<WorldState>{
+	    let edh = self.get_edh()?;
+	    info!("EDH: {:?}", edh);
+	    
+	    Ok(WorldState {
+		edh,
+		..WorldState::default()
+	    })
+	}
+
+	pub fn get_edh( &mut self ) -> LJResult<EDH> {
+	    // Get new EDH
+	    let edh_key = format!("/EDH/{}", self.laser_id);
+	    let edh : String = self.connection.get(edh_key)?;
+	    let edh : Vec<Vec<f32>> = from_str(&edh)?;
+	    let edh = EDH::new(edh)?;
+	    Ok(edh)
+	}
 }

src/transformer.rs

@@ -5,8 +5,10 @@ mod rotate;
 mod flip_horizontal;
 mod flip_vertical;
 mod grid;
+mod homography;
 
 use crate::point::Point;
+use crate::worldstate::WorldState;
 
 // re-export transformers to be abe to use it directly from transformer::
 pub use translate::Translate;
@@ -15,7 +17,12 @@ pub use rotate::Rotate;
 pub use flip_horizontal::FlipHorizontal;
 pub use flip_vertical::FlipVertical;
 pub use grid::Grid;
+pub use self::homography::Homography;
 
 pub trait Transformers {
-    fn apply(&self, point_list: &[Point]) -> Vec<Point>;
+    fn apply(
+	&self,
+	point_list: &[Point],
+	world_state: &WorldState
+    ) -> Vec<Point>;
 }

src/transformer/flip_horizontal.rs

@@ -1,5 +1,7 @@
 use crate::transformer::Transformers;
 use crate::point::Point;
+use crate::worldstate::WorldState;
+
 use serde::{Serialize,Deserialize};
 
 /// Flip Horizontal
@@ -10,7 +12,7 @@ pub struct FlipHorizontal {
 }
 
 impl Transformers for FlipHorizontal {
-    fn apply(&self, point_list: &[Point]) -> Vec<Point> {
+    fn apply(&self, point_list: &[Point], _ws: &WorldState) -> Vec<Point> {
     point_list.iter()
         .map(| pt | {
             let dx = pt.x - self.x;

src/transformer/flip_vertical.rs

@@ -1,5 +1,7 @@
 use crate::transformer::Transformers;
 use crate::point::Point;
+use crate::worldstate::WorldState;
+
 use serde::{Serialize,Deserialize};
 
 /// Flip Vertical
@@ -10,7 +12,7 @@ pub struct FlipVertical {
 }
 
 impl Transformers for FlipVertical {
-    fn apply(&self, point_list: &[Point]) -> Vec<Point> {
+    fn apply(&self, point_list: &[Point], _ws: &WorldState) -> Vec<Point> {
     point_list.iter()
         .map(| pt | {
             let dy = pt.y - self.y;

src/transformer/grid.rs

@@ -1,5 +1,7 @@
 use crate::transformer::Transformers;
 use crate::point::Point;
+use crate::worldstate::WorldState;
+
 use serde::{Serialize,Deserialize};
 
 /// Translate
@@ -44,7 +46,7 @@ fn square_box(size: f32, color: u32) -> Vec<(f32, f32, u32)> {
 }
 
 impl Transformers for Grid {
-    fn apply(&self, _point_list: &[Point]) -> Vec<Point> {
+    fn apply(&self, _point_list: &[Point], _ws: &WorldState) -> Vec<Point> {
 	let mut sq1 = square_box(1000.0, 255 << 8);
 	let mut line = square_box(2000.0, 255);
 	line.append(&mut sq1);

src/transformer/homography.rs

@@ -0,0 +1,64 @@
+use crate::transformer::Transformers;
+use crate::point::Point;
+use crate::worldstate::{WorldState,EDH};
+use serde::{Serialize,Deserialize};
+
+/// Homography
+
+#[derive(Serialize,Deserialize,Debug,Clone,Copy)]
+pub struct Homography {}
+
+impl Transformers for Homography {
+    fn apply(&self, point_list: &[Point], ws: &WorldState) -> Vec<Point> {	
+	let edh : &EDH = &ws.edh;
+
+	point_list.iter()
+	    .map(| point | edh.apply(point))
+	    .collect()
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn identity_matrix_let_point_unchanged() {
+	let p0 = Point { x: -1500.0, y: 1500.0, ..Point::default() };
+
+	let edh = EDH::new(vec![
+	    vec![ 1.0, 0.0, 0.0 ],
+	    vec![ 0.0, 1.0, 0.0 ],
+	    vec![ 0.0, 0.0, 1.0 ]
+	]).unwrap();
+
+	let ws = WorldState { edh : edh, ..WorldState::default() };
+	
+	let homography = Homography{};
+	let result = homography.apply(&[p0], &ws);
+	
+	assert_eq!(result, vec![Point { x: -1500.0,
+					y: 1500.0,
+					..Point::default() }]);
+    }
+
+    #[test]
+    fn rotation_matrix_rotate_the_point() {
+	let p0 = Point { x: -1500.0, y: 1500.0, ..Point::default() };
+
+	let edh = EDH::new(vec![
+	    vec![ 1.24107321e-03, 1.00500127e-03, 7.15439347e-01],
+	    vec![-9.93223912e-04, 1.22652939e-03,-6.98671238e-01],
+	    vec![ 1.06017142e-17,-4.69459541e-17, 3.32700590e-05]
+	]).unwrap();
+
+	let ws = WorldState { edh : edh, ..WorldState::default() };
+	
+	let homography = Homography{};
+	let result = homography.apply(&[p0], &ws);
+	
+	assert_eq!(result, vec![Point { x: 10860.557,
+					y: 79078.87,
+					..Point::default() }]);
+    }
+}

src/transformer/replicate.rs

@@ -1,5 +1,7 @@
 use crate::transformer::Transformers;
 use crate::point::Point;
+use crate::worldstate::WorldState;
+
 use serde::{Serialize,Deserialize};
 
 /// Replicate
@@ -12,7 +14,7 @@ pub enum Replicate {
 }
 
 impl Transformers for Replicate {
-    fn apply(&self, point_list: &[Point]) -> Vec<Point> {
+    fn apply(&self, point_list: &[Point], _ws: &WorldState) -> Vec<Point> {
 	let mut point_list2 = vec![];
 	match self {
 	    Replicate::Until(n) => {

src/transformer/rotate.rs

@@ -1,5 +1,7 @@
 use crate::transformer::Transformers;
 use crate::point::Point;
+use crate::worldstate::WorldState;
+
 use serde::{Serialize,Deserialize};
 //use std::f32::consts::PI;
 
@@ -14,7 +16,7 @@ pub struct Rotate {
 }
 
 impl Transformers for Rotate {
-    fn apply(&self, point_list: &[Point]) -> Vec<Point> {
+    fn apply(&self, point_list: &[Point], _ws: &WorldState) -> Vec<Point> {
     point_list.iter()
         .map(| pt | {
             let dx = pt.x - self.cx;

src/transformer/translate.rs

@@ -1,5 +1,6 @@
 use crate::transformer::Transformers;
 use crate::point::Point;
+use crate::worldstate::WorldState;
 use serde::{Serialize,Deserialize};
 
 /// Translate
@@ -11,7 +12,7 @@ pub struct Translate {
 }
 
 impl Transformers for Translate {
-    fn apply(&self, point_list: &[Point]) -> Vec<Point> {	
+    fn apply(&self, point_list: &[Point], _ws: &WorldState) -> Vec<Point> {	
 	point_list.iter()
 	    .map(| pt | {
 		Point { x: pt.x + self.x,

src/worldstate.rs

@@ -0,0 +1,51 @@
+use crate::point::{Point,Color};
+use nalgebra::base::{Matrix3,Matrix1x3};
+use crate::errors::{LJError,LJResult};
+use log::debug;
+
+#[derive(Debug, Default)]
+pub struct EDH {
+	pub matrix: Matrix3<f32>
+}
+
+impl EDH {
+    pub fn new(vec: Vec<Vec<f32>>) -> LJResult<EDH> {
+	if vec.len() != 3 ||
+	    vec[0].len() != 3 ||
+	    vec[1].len() != 3 ||
+	    vec[2].len() != 3 {
+		return Err(Box::new(LJError::BadEDH));
+	    }
+
+	// this is the matrix already transposed.
+	let matrix = Matrix3::new(vec[0][0], vec[1][0], vec[2][0],
+				  vec[0][1], vec[1][1], vec[2][1],
+				  vec[0][2], vec[1][2], vec[2][2]);
+
+	Ok(EDH { matrix })
+    }
+
+    pub fn apply(&self, point: &Point) -> Point {
+	let p = Matrix1x3::new(point.x, point.y, 1.0);
+	let p = p * self.matrix;
+	let new_p = Point { x: p[0] / p[2], y: p[1] / p[2], ..*point };
+	
+	debug!("{:?} => {:?}", point, new_p);
+	
+	new_p
+    }
+}
+
+#[derive(Debug, Default)]
+pub struct WorldState {
+	pub edh: EDH,
+	pub resampler: Vec<f32>,
+	pub client_key: u8,
+	pub intensity: u8,
+	pub kpps: u32,
+	pub color: Color
+}
+
+impl WorldState {
+
+}