From b6b53c4dbcaf8f0914f2abf833d5a4170a7bc0fe Mon Sep 17 00:00:00 2001
From: Tangent Wantwight <tangent128@gmail.com>
Date: Sat, 21 Dec 2019 17:22:50 -0500
Subject: [PATCH] Start second light display

---
 harrogate/Cargo.toml              |  1 +
 harrogate/src/december_21_2019.rs | 61 +++++++++++++++++++++++++++++++
 harrogate/src/main.rs             |  4 ++
 3 files changed, 66 insertions(+)
 create mode 100644 harrogate/src/december_21_2019.rs

diff --git a/harrogate/Cargo.toml b/harrogate/Cargo.toml
index 90fcca3..998c9b7 100644
--- a/harrogate/Cargo.toml
+++ b/harrogate/Cargo.toml
@@ -14,6 +14,7 @@ debug = true
 replace-default = []
 
 december-01-2019 = ["replace-default"]
+december-21-2019 = ["replace-default"]
 
 [dependencies]
 house = { path = "../house" }
diff --git a/harrogate/src/december_21_2019.rs b/harrogate/src/december_21_2019.rs
new file mode 100644
index 0000000..29dbd64
--- /dev/null
+++ b/harrogate/src/december_21_2019.rs
@@ -0,0 +1,61 @@
+//! Golden background with twinkling lights
+use super::delay;
+use house::Harrogate;
+use lights::rgb::Rgb;
+use lights::{HardwareRgb, Lights, murmurf};
+
+const GOLD: Rgb = Rgb(200, 200, 0);
+const RED: Rgb = Rgb(0, 200, 0);
+const GREEN: Rgb = Rgb(0, 200, 0);
+const BLUE: Rgb = Rgb(0, 0, 200);
+const PURPLE: Rgb = Rgb(160, 0, 128);
+const WHITE: Rgb = Rgb(255, 255, 255);
+
+const FULL_PORCH: usize = 150;
+
+#[derive(Copy, Clone)]
+struct Pixel {
+    color: Rgb,
+}
+
+impl Pixel {
+    const fn new() -> Pixel {
+        Pixel {
+            color: GOLD
+        }
+    }
+
+    fn tick(&mut self, mut rng: u32) {
+        self.color = match murmurf(&mut rng) % 8 {
+            0..=1 => RED,
+            2..=3 => GREEN,
+            4..=5 => BLUE,
+            6 => PURPLE,
+            7 => WHITE,
+            _ => GOLD,
+        }
+    }
+}
+
+#[allow(dead_code)]
+#[inline(always)]
+pub fn run(lights: &mut impl Lights<Pixel = HardwareRgb>) -> ! {
+
+    let mut rng = 1;
+    let mut pixels = [Pixel::new(); FULL_PORCH];
+
+    for pixel in pixels.iter_mut() {
+        pixel.tick(murmurf(&mut rng));
+    }
+
+    loop {
+
+        Harrogate {
+            porch_back: (0..FULL_PORCH).map(|_| GOLD),
+            porch_front: pixels.iter().map(|p| p.color)
+        }
+        .render_to(lights);
+
+        delay(300_000);
+    }
+}
diff --git a/harrogate/src/main.rs b/harrogate/src/main.rs
index 958447a..967ea15 100644
--- a/harrogate/src/main.rs
+++ b/harrogate/src/main.rs
@@ -6,6 +6,7 @@ use lights_hal::{boot, entry};
 pub use lights_hal::delay;
 
 mod december_01_2019;
+mod december_21_2019;
 mod door_light;
 
 #[entry]
@@ -15,6 +16,9 @@ fn main() -> ! {
     #[cfg(feature = "december-01-2019")]
     december_01_2019::run(&mut lights);
 
+    #[cfg(feature = "december-21-2019")]
+    december_21_2019::run(&mut lights);
+
     #[cfg(not(feature = "replace-default"))]
     door_light::run(&mut lights);
 }