From 93a5385cb03482d09108edef1433a9f470bf1e4a Mon Sep 17 00:00:00 2001
From: LaG1924 <lag1924@gmail.com>
Date: Sun, 5 Dec 2021 04:26:50 +0500
Subject: Added SSAO blur

---
 cwd/assets/altcraft/shaders/frag/blur.fs  | 22 ++++++++++++++++++++++
 cwd/assets/altcraft/shaders/frag/light.fs |  3 ++-
 2 files changed, 24 insertions(+), 1 deletion(-)
 create mode 100644 cwd/assets/altcraft/shaders/frag/blur.fs

(limited to 'cwd/assets')

diff --git a/cwd/assets/altcraft/shaders/frag/blur.fs b/cwd/assets/altcraft/shaders/frag/blur.fs
new file mode 100644
index 0000000..b49032f
--- /dev/null
+++ b/cwd/assets/altcraft/shaders/frag/blur.fs
@@ -0,0 +1,22 @@
+#version 330 core
+
+out vec4 fragColor;
+
+in vec2 uv;
+
+uniform sampler2D blurInput;
+uniform int blurScale;
+
+void main() {
+    vec2 texelSize = 1.0f / vec2(textureSize(blurInput, 0));
+    vec4 result = vec4(0.0f);
+    for (int x = -blurScale; x < blurScale; x++) 
+    {
+        for (int y = -blurScale; y < blurScale; y++) 
+        {
+            vec2 offset = vec2(float(x), float(y)) * texelSize;
+            result += texture(blurInput, uv + offset);
+        }
+    }
+    fragColor = result / pow(blurScale, 3);
+}
diff --git a/cwd/assets/altcraft/shaders/frag/light.fs b/cwd/assets/altcraft/shaders/frag/light.fs
index fd7aa4e..8556770 100644
--- a/cwd/assets/altcraft/shaders/frag/light.fs
+++ b/cwd/assets/altcraft/shaders/frag/light.fs
@@ -41,10 +41,11 @@ void main() {
     float skyLight = l.g;
     float lightLevel = clamp(faceLight + skyLight * dayTime, 0.01f, 1.0f);
     lightLevel = pow(lightLevel, 3);
+    lightLevel *= (1.0f - s.r);
     lightLevel = clamp(lightLevel, 0.005f, 1.0f);
     vec3 faceColor = mix(ac.rgb * lightLevel, vec3(1,1,1) * lightLevel, float(ac.rgb == vec3(0,0,0)));
 
-    vec4 finalColor = vec4(c.rgb * faceColor * (1.0f - s.r), 1.0f);
+    vec4 finalColor = vec4(c.rgb * faceColor, 1.0f);
 
     finalColor.rgb = pow(finalColor.rgb, vec3(1.0f / gamma));
 
-- 
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