From 76f29d797abfa7f7b5d1864762a1eca497a2679d Mon Sep 17 00:00:00 2001
From: Yoshman29 <81191621+YoshiCrafter29@users.noreply.github.com>
Date: Tue, 20 Dec 2022 23:14:42 +0100
Subject: [PATCH] homosexual update screen

---
 assets/shaders/updaterShader.frag      | 34 ++++++++++++++++++++++++++
 buildnumber.txt                        |  2 +-
 source/funkin/updating/UpdateScreen.hx | 11 +++++++++
 3 files changed, 46 insertions(+), 1 deletion(-)
 create mode 100644 assets/shaders/updaterShader.frag

diff --git a/assets/shaders/updaterShader.frag b/assets/shaders/updaterShader.frag
new file mode 100644
index 00000000..6f26da11
--- /dev/null
+++ b/assets/shaders/updaterShader.frag
@@ -0,0 +1,34 @@
+#pragma header
+
+uniform float elapsed;
+uniform float strength;
+
+vec3 rgb2hsv(vec3 c)
+{
+    vec4 K = vec4(0.0, -1.0 / 3.0, 2.0 / 3.0, -1.0);
+    vec4 p = mix(vec4(c.bg, K.wz), vec4(c.gb, K.xy), step(c.b, c.g));
+    vec4 q = mix(vec4(p.xyw, c.r), vec4(c.r, p.yzx), step(p.x, c.r));
+
+    float d = q.x - min(q.w, q.y);
+    float e = 1.0e-10;
+    return vec3(abs(q.z + (q.w - q.y) / (6.0 * d + e)), d / (q.x + e), q.x);
+}
+
+vec3 hsv2rgb(vec3 c)
+{
+    vec4 K = vec4(1.0, 2.0 / 3.0, 1.0 / 3.0, 3.0);
+    vec3 p = abs(fract(c.xxx + K.xyz) * 6.0 - K.www);
+    return c.z * mix(K.xxx, clamp(p - K.xxx, 0.0, 1.0), c.y);
+}
+
+void main() {
+    vec2 coords = getCamPos(openfl_TextureCoordv);
+    vec4 color = flixel_texture2D(bitmap, openfl_TextureCoordv);
+    vec3 hsv = rgb2hsv(color.rgb);
+
+    hsv.g = (1.0/3.0) * strength * coords.y;
+
+    hsv.r = mod(elapsed + coords.x + coords.y, 1);
+
+    gl_FragColor = vec4(hsv2rgb(hsv), color.a);
+}
\ No newline at end of file
diff --git a/buildnumber.txt b/buildnumber.txt
index 3dfef23a..54d8728c 100644
--- a/buildnumber.txt
+++ b/buildnumber.txt
@@ -1 +1 @@
-1598
\ No newline at end of file
+1601
\ No newline at end of file
diff --git a/source/funkin/updating/UpdateScreen.hx b/source/funkin/updating/UpdateScreen.hx
index 37c1719e..3fabe4b4 100644
--- a/source/funkin/updating/UpdateScreen.hx
+++ b/source/funkin/updating/UpdateScreen.hx
@@ -1,5 +1,6 @@
 package funkin.updating;
 
+import funkin.shaders.CustomShader;
 import flixel.util.FlxDestroyUtil;
 import funkin.ui.FunkinText;
 import funkin.menus.TitleState;
@@ -24,6 +25,8 @@ class UpdateScreen extends MusicBeatState {
     public var generalProgress:FunkinText;
     public var partProgress:FunkinText;
 
+    public var rainbowShader:CustomShader;
+
     public function new(check:UpdateCheckCallback) {
         super(false);
         updater = new AsyncUpdater(check.updates);
@@ -59,6 +62,8 @@ class UpdateScreen extends MusicBeatState {
         overSound = FlxG.sound.load(Paths.sound('gameOverEnd'));
 
         updater.execute();
+        
+        FlxG.camera.addShader(rainbowShader = new CustomShader("updaterShader"));
     }
 
 
@@ -66,6 +71,12 @@ class UpdateScreen extends MusicBeatState {
         super.update(elapsed);
 
         elapsedTime += elapsed;
+        rainbowShader.hset("elapsed", elapsedTime / 5);
+        if (elapsedTime >= 3)
+            rainbowShader.hset("strength", 1);
+        else
+            rainbowShader.hset("strength", elapsedTime / 5);
+
         progressBar.y = FlxG.height - (60 + (Math.sin(elapsedTime * Math.PI / 2) * 15));
 
         if (done) return;