From 71935a746a25aedc442d5da15e4f31d669c12132 Mon Sep 17 00:00:00 2001
From: paulevsGitch <paulevs@yandex.ru>
Date: Sun, 18 Jul 2021 17:29:23 +0300
Subject: [PATCH] Cutout emission

---
 .../bclib/mixin/client/TextureAtlasMixin.java |  2 +-
 .../shaders/core/rendertype_cutout.fsh        | 28 +++++++++++++++++++
 .../shaders/core/rendertype_cutout_mipped.fsh | 28 +++++++++++++++++++
 .../shaders/core/rendertype_solid.fsh         |  2 +-
 4 files changed, 58 insertions(+), 2 deletions(-)
 create mode 100644 src/main/resources/assets/minecraft/shaders/core/rendertype_cutout.fsh
 create mode 100644 src/main/resources/assets/minecraft/shaders/core/rendertype_cutout_mipped.fsh

diff --git a/src/main/java/ru/bclib/mixin/client/TextureAtlasMixin.java b/src/main/java/ru/bclib/mixin/client/TextureAtlasMixin.java
index 375fcf18..fbe102ac 100644
--- a/src/main/java/ru/bclib/mixin/client/TextureAtlasMixin.java
+++ b/src/main/java/ru/bclib/mixin/client/TextureAtlasMixin.java
@@ -62,7 +62,7 @@ public class TextureAtlasMixin {
 								int g = (argb >> 8) & 255;
 								int b = argb & 255;
 								if (r > 0 || g > 0 || b > 0) {
-									argb = (argb & 0x00FFFFFF) | (200 << 24);
+									argb = (argb & 0x00FFFFFF) | (250 << 24);
 									sprite.setPixelRGBA(x, y, argb);
 								}
 							}
diff --git a/src/main/resources/assets/minecraft/shaders/core/rendertype_cutout.fsh b/src/main/resources/assets/minecraft/shaders/core/rendertype_cutout.fsh
new file mode 100644
index 00000000..441b8209
--- /dev/null
+++ b/src/main/resources/assets/minecraft/shaders/core/rendertype_cutout.fsh
@@ -0,0 +1,28 @@
+#version 150
+#moj_import <fog.glsl>
+
+uniform sampler2D Sampler0;
+
+uniform vec4 ColorModulator;
+uniform float FogStart;
+uniform float FogEnd;
+uniform vec4 FogColor;
+
+in float vertexDistance;
+in vec4 vertexColor;
+in vec2 texCoord0;
+
+out vec4 fragColor;
+
+void main() {
+	vec4 tex = texture(Sampler0, texCoord0);
+	if (tex.a < 0.1) {
+        discard;
+    }
+	vec4 color = tex * ColorModulator;
+	if (tex.a > 0.99) {
+		color = color * vertexColor;
+	}
+	color.a = 1.0;
+	fragColor = linear_fog(color, vertexDistance, FogStart, FogEnd, FogColor);
+}
diff --git a/src/main/resources/assets/minecraft/shaders/core/rendertype_cutout_mipped.fsh b/src/main/resources/assets/minecraft/shaders/core/rendertype_cutout_mipped.fsh
new file mode 100644
index 00000000..441b8209
--- /dev/null
+++ b/src/main/resources/assets/minecraft/shaders/core/rendertype_cutout_mipped.fsh
@@ -0,0 +1,28 @@
+#version 150
+#moj_import <fog.glsl>
+
+uniform sampler2D Sampler0;
+
+uniform vec4 ColorModulator;
+uniform float FogStart;
+uniform float FogEnd;
+uniform vec4 FogColor;
+
+in float vertexDistance;
+in vec4 vertexColor;
+in vec2 texCoord0;
+
+out vec4 fragColor;
+
+void main() {
+	vec4 tex = texture(Sampler0, texCoord0);
+	if (tex.a < 0.1) {
+        discard;
+    }
+	vec4 color = tex * ColorModulator;
+	if (tex.a > 0.99) {
+		color = color * vertexColor;
+	}
+	color.a = 1.0;
+	fragColor = linear_fog(color, vertexDistance, FogStart, FogEnd, FogColor);
+}
diff --git a/src/main/resources/assets/minecraft/shaders/core/rendertype_solid.fsh b/src/main/resources/assets/minecraft/shaders/core/rendertype_solid.fsh
index f6499103..c01d103d 100644
--- a/src/main/resources/assets/minecraft/shaders/core/rendertype_solid.fsh
+++ b/src/main/resources/assets/minecraft/shaders/core/rendertype_solid.fsh
@@ -17,7 +17,7 @@ out vec4 fragColor;
 void main() {
 	vec4 tex = texture(Sampler0, texCoord0);
 	vec4 color = tex * ColorModulator;
-	if (tex.a > 0.9) {
+	if (tex.a > 0.99) {
 		color = color * vertexColor;
 	}
 	color.a = 1.0;