add wallpaper :)

common/automapaper/automapaper.nix

@@ -0,0 +1,15 @@
+{ config, pkgs, inputs, ... }:
+
+{
+	home.packages = with pkgs; [
+		(callPackage ../../custom/automapaper/default.nix { })
+	];
+
+	home.file = {
+		"${config.xdg.configHome}/automapaper/config.toml".source = ./config.toml;
+		"${config.xdg.configHome}/automapaper/config2nd.toml".source = ./config2nd.toml;
+		"${config.xdg.configHome}/automapaper/state.frag".source = ./state.frag;
+		"${config.xdg.configHome}/automapaper/init.frag".source = ./init.frag;
+		"${config.xdg.configHome}/automapaper/display.frag".source = ./display.frag;
+	};
+}

common/automapaper/config.toml

@@ -0,0 +1,24 @@
+# this is the config for Automapaper
+# you need one for each display you want the wallpaper on
+[display]
+# name of the display in wayland
+name="DP-3"
+# the horizontal cell amount to simulate
+horizontal=256
+# the vertical cell amount to simulate
+vertical=144
+# target simulation ticks per second
+tps=30
+# automaton shader
+# this has access to the previous state, which is a (horizontal, vertical) sized texture2D that uses rgba float values
+state_frag="/home/noa/.config/automapaper/state.frag"
+# initial state / reset shader
+# this has access to the resolution, and the time since the program was started
+init_frag="/home/noa/.config/automapaper/init.frag"
+# scaling/display shader
+# this has access to the current and previous state to display
+display_frag="/home/noa/.config/automapaper/display.frag"
+# the amount of cycles before the init_frag shader reruns
+cycles=2500
+# the amount of frames to display per state tick
+frames_per_tick=1

common/automapaper/config2nd.toml

@@ -0,0 +1,23 @@
+# this is the config for Automapaper
+[display]
+# name of the display in wayland
+name = "DP-2"
+# the horizontal cell amount to simulate
+horizontal = 192
+# the vertical cell amount to simulate
+vertical = 108
+# target simulation ticks per second
+tps = 20
+# automaton shader
+# this has access to the previous state, which is a (horizontal, vertical) sized texture2D that uses the rgba values
+state_frag="/home/noa/.config/automapaper/state.frag"
+# initial state / reset shader
+# this has access to the resolution, and the time since the program was started
+init_frag="/home/noa/.config/automapaper/init.frag"
+# scaling/display shader
+# this has access to the current and previous state to display
+display_frag="/home/noa/.config/automapaper/display.frag"
+# the amount of cycles before the init_frag shader reruns
+cycles = 2500
+# the amount of frames to display per state tick
+frames_per_tick = 1

common/automapaper/display.frag

@@ -0,0 +1,29 @@
+#version 310 es
+precision highp float;
+
+uniform sampler2D tex2D;
+uniform sampler2D old2D;
+uniform ivec2 resolution;
+uniform float frame_part;
+
+in highp vec2 texCoords;
+out vec4 stateColor;
+
+const vec4 bgColor = vec4(0.15, 0.02, 0.18, 1.0);
+const vec4 fgColor = vec4(0.58, 0.06, 0.68, 1.0);
+
+void main() {
+    vec2 canvasSize = vec2(textureSize(tex2D, 0));
+    vec4 state = texture(tex2D, texCoords);
+    vec4 ostate = texture(old2D, texCoords);
+
+    vec2 localCoords = fract(gl_FragCoord.xy / vec2(resolution) * canvasSize);
+    localCoords = localCoords - 0.5;
+    float dist = sqrt(dot(localCoords, localCoords));
+
+    float size = smoothstep(0.0, 1.0, pow(mix(ostate.g,state.g, frame_part), 3.0)) * 0.35;
+    float mask = 1.0 - step(size, dist);
+
+    float brightness = mix(ostate.r,state.r, frame_part) + 0.2 * pow(mix(ostate.g,state.g, frame_part), 3.0);
+    stateColor = mix(bgColor, fgColor, brightness * mask);
+}

common/automapaper/init.frag

@@ -0,0 +1,23 @@
+#version 310 es
+precision highp float;
+
+uniform float time;
+uniform vec2 resolution;
+
+out vec4 stateColor;
+
+float PHI = 1.61803398874989484820459;  // Φ = Golden Ratio   
+
+float gold_noise(in vec2 xy, in float seed){
+       return fract(tan(distance(xy*PHI, xy)*seed)*xy.x);
+}
+
+void main( void ) {
+
+    vec2 position = gl_FragCoord.xy;
+    float color = gold_noise(position.xy, fract(time));
+    
+
+    stateColor = vec4(step(0.3, color), 0,0,step(0.3, color));
+}
+

common/automapaper/state.frag

@@ -0,0 +1,35 @@
+#version 310 es
+precision highp float;
+
+uniform sampler2D state;
+uniform vec2 scale;
+
+out vec4 stateColor;
+
+vec4 get(int x, int y) {
+    return texture(state, (gl_FragCoord.xy + vec2(x, y)) / scale);
+}
+
+void main() {
+    int sum = int(get(-1, -1).r +
+              get(-1,  0).r +
+              get(-1,  1).r +
+              get( 0, -1).r +
+              get( 0,  1).r +
+              get( 1, -1).r +
+              get( 1,  0).r +
+              get( 1,  1).r);
+    vec4 current = get(0,0);
+    if (sum == 3) {
+        stateColor.r = 1.0;
+        stateColor.g = 1.0;
+    } else if (sum == 2) {
+        stateColor = current;
+        if (current.r == 0.0) {
+            stateColor.g = max(current.g - 0.01, 0.0);
+        }
+    } else {        
+        stateColor = vec4(0.0, max(current.g - 0.01, 0.0), 0.0, 1.0);
+    }
+
+}

common/hyprland.nix

@@ -34,6 +34,9 @@
 			exec-once = [
 				"waybar"
 				"dunst"
+				"automapaper -C ${config.xdg.configHome}/automapaper/config.toml"
+				"automapaper -C ${config.xdg.configHome}/automapaper/config2nd.toml"
+				"hyprctl dispatcher focusmonitor 1"
 			];
 			general = {
 				sensitivity = "1.2";

custom/automapaper/default.nix

@@ -0,0 +1,57 @@
+{
+	lib
+	, stdenv
+	, fetchgit
+	, meson
+	, ninja
+	, pkg-config
+	, pacman
+	, libarchive
+	, wayland
+	, libGL
+}:
+
+stdenv.mkDerivation rec {
+	pname = "automapaper";
+	version = "unstable-2022-05-15";
+
+	src = fetchgit {
+		url = "https://github.com/itepastra/automapaper";
+		rev = "f102526244d954a4e4ae30a4b11f070e821f66ec";
+		sha256 = "sha256-IS9vqSmDbiLwLwUeIxxPI2t7yksxvACgiECeSV43Wug=";
+	};
+
+	meta = with lib; {
+			description = "based animated wallpaper for wlroots";
+			homepage = "https://github.com/itepastra/automapaper";
+			license = licenses.gpl3Plus;
+			platforms = platforms.linux;
+			maintainers = with maintainers; [ itepastra ];
+	};
+
+	nativeBuildInputs = [
+		meson
+		ninja
+		pkg-config
+		pacman
+		libarchive
+	];
+	buildInputs = [
+		wayland
+		libGL
+	];
+
+	configurePhase = ''
+		meson setup build
+	'';
+
+
+	buildPhase = ''
+		ninja -C build
+	'';
+
+	installPhase = ''
+		mkdir -p $out/bin
+		mv build/automapaper $out/bin
+	'';
+}

hosts/default/home.nix

@@ -10,6 +10,7 @@
 		../../common/nvim/nvim.nix
 		../../common/discord.nix
 		../../common/spotify.nix
+		../../common/automapaper/automapaper.nix
 	];
 	# Home Manager needs a bit of information about you and the paths it should
 	# manage.
@@ -84,11 +85,17 @@
 	#
 	#	/etc/profiles/per-user/noa/etc/profile.d/hm-session-vars.sh
 	#
+
+
 	home.sessionVariables = {
 		EDITOR = "nvim";
 		TERM = "kitty";
 	};
 
+	xdg = {
+		enable = true;
+	};
+
 	xdg.userDirs = {
 		enable = true;
 		createDirectories = true;