From 2f63837430409d04030d259f079b1794761ccff7 Mon Sep 17 00:00:00 2001
From: Cameron Taylor <cameron.taylor.ninja@gmail.com>
Date: Sun, 18 Apr 2021 01:43:28 -0400
Subject: [PATCH] pico stage shader

---
 source/PlayState.hx                    | 12 ++++++-
 source/TitleState.hx                   |  7 ++++
 source/shaderslmfao/BuildingShaders.hx | 49 ++++++++++++++++++++++++++
 3 files changed, 67 insertions(+), 1 deletion(-)
 create mode 100644 source/shaderslmfao/BuildingShaders.hx

diff --git a/source/PlayState.hx b/source/PlayState.hx
index 3c407fcf0..8924cdb92 100644
--- a/source/PlayState.hx
+++ b/source/PlayState.hx
@@ -43,6 +43,8 @@ import openfl.display.BitmapData;
 import openfl.display.BlendMode;
 import openfl.display.StageQuality;
 import openfl.filters.ShaderFilter;
+import shaderslmfao.BuildingShaders.BuildingShader;
+import shaderslmfao.BuildingShaders;
 import shaderslmfao.ColorSwap;
 import ui.PreferencesMenu;
 
@@ -157,6 +159,7 @@ class PlayState extends MusicBeatState
 	#end
 
 	var camPos:FlxPoint;
+	var lightFadeShader:BuildingShaders;
 
 	override public function create()
 	{
@@ -254,7 +257,9 @@ class PlayState extends MusicBeatState
 				city.updateHitbox();
 				add(city);
 
+				lightFadeShader = new BuildingShaders();
 				phillyCityLights = new FlxTypedGroup<FlxSprite>();
+
 				add(phillyCityLights);
 
 				for (i in 0...5)
@@ -265,6 +270,7 @@ class PlayState extends MusicBeatState
 					light.setGraphicSize(Std.int(light.width * 0.85));
 					light.updateHitbox();
 					light.antialiasing = true;
+					light.shader = lightFadeShader.shader;
 					phillyCityLights.add(light);
 				}
 
@@ -936,6 +942,7 @@ class PlayState extends MusicBeatState
 		var vid:FlxVideo = new FlxVideo('music/ughCutscene.mp4');
 		vid.finishCallback = function()
 		{
+			FlxTween.tween(FlxG.camera, {zoom: defaultCamZoom}, (Conductor.crochet / 1000) * 5, {ease: FlxEase.quadInOut});
 			startCountdown();
 			cameraMovement();
 		};
@@ -1942,7 +1949,8 @@ class PlayState extends MusicBeatState
 						trainFrameTiming = 0;
 					}
 				}
-				// phillyCityLights.members[curLight].alpha -= (Conductor.crochet / 1000) * FlxG.elapsed;
+
+				lightFadeShader.update((Conductor.crochet / 1000) * FlxG.elapsed * 1.5); // phillyCityLights.members[curLight].alpha -= (Conductor.crochet / 1000) * FlxG.elapsed;
 		}
 
 		super.update(elapsed);
@@ -3002,6 +3010,8 @@ class PlayState extends MusicBeatState
 
 				if (curBeat % 4 == 0)
 				{
+					lightFadeShader.reset();
+
 					phillyCityLights.forEach(function(light:FlxSprite)
 					{
 						light.visible = false;
diff --git a/source/TitleState.hx b/source/TitleState.hx
index 189639df3..66d9ba8f8 100644
--- a/source/TitleState.hx
+++ b/source/TitleState.hx
@@ -29,6 +29,8 @@ import openfl.events.NetStatusEvent;
 import openfl.media.Video;
 import openfl.net.NetConnection;
 import openfl.net.NetStream;
+import shaderslmfao.BuildingShaders.BuildingShader;
+import shaderslmfao.BuildingShaders;
 import shaderslmfao.ColorSwap;
 import ui.PreferencesMenu;
 
@@ -57,6 +59,7 @@ class TitleState extends MusicBeatState
 	var wackyImage:FlxSprite;
 	var lastBeat:Int = 0;
 	var swagShader:ColorSwap;
+	var alphaShader:BuildingShaders;
 	var thingie:FlxSprite;
 
 	var video:Video;
@@ -73,6 +76,7 @@ class TitleState extends MusicBeatState
 		FlxG.game.focusLostFramerate = 60;
 
 		swagShader = new ColorSwap();
+		alphaShader = new BuildingShaders();
 
 		FlxG.sound.muteKeys = [ZERO];
 
@@ -249,6 +253,7 @@ class TitleState extends MusicBeatState
 		logoBl.updateHitbox();
 
 		logoBl.shader = swagShader.shader;
+		// logoBl.shader = alphaShader.shader;
 
 		// trace();
 		// logoBl.screenCenter();
@@ -465,11 +470,13 @@ class TitleState extends MusicBeatState
 		if (controls.UI_LEFT)
 		{
 			swagShader.update(-elapsed * 0.1);
+			// alphaShader.update(-elapsed * 0.1);
 		}
 
 		if (controls.UI_RIGHT)
 		{
 			swagShader.update(elapsed * 0.1);
+			// alphaShader.update(elapsed * 0.1);
 		}
 
 		super.update(elapsed);
diff --git a/source/shaderslmfao/BuildingShaders.hx b/source/shaderslmfao/BuildingShaders.hx
new file mode 100644
index 000000000..8106967d1
--- /dev/null
+++ b/source/shaderslmfao/BuildingShaders.hx
@@ -0,0 +1,49 @@
+package shaderslmfao;
+
+import flixel.system.FlxAssets.FlxShader;
+
+class BuildingShaders
+{
+	public var shader(default, null):BuildingShader;
+	public var daAlpha:Float = 1;
+
+	public function new():Void
+	{
+		shader = new BuildingShader();
+		shader.alphaShit.value = [0];
+	}
+
+	public function update(elapsed:Float):Void
+	{
+		shader.alphaShit.value[0] += elapsed;
+	}
+
+	public function reset()
+	{
+		shader.alphaShit.value[0] = 0;
+	}
+}
+
+class BuildingShader extends FlxShader
+{
+	@:glFragmentSource('
+        #pragma header
+
+        uniform float alphaShit;
+
+        void main()
+        {
+            vec4 color = flixel_texture2D(bitmap, openfl_TextureCoordv);
+
+            if (color.a > 0.0)
+                color -= alphaShit;
+            
+            gl_FragColor = color;
+        }
+
+    ')
+	public function new()
+	{
+		super();
+	}
+}