From 12923669214ba73a809f4e221a634244888b0146 Mon Sep 17 00:00:00 2001
From: LaG1924 <lag1924@gmail.com>
Date: Thu, 15 Dec 2022 15:53:56 +0500
Subject: Added liquid rendering pass

---
 .../altcraft/shaders/frag/fwd_liquid_face.fs       | 38 ++++++++++++++++++++++
 cwd/assets/altcraft/shaders/frag/liquid_face.fs    | 22 +++++++++++++
 2 files changed, 60 insertions(+)
 create mode 100644 cwd/assets/altcraft/shaders/frag/fwd_liquid_face.fs
 create mode 100644 cwd/assets/altcraft/shaders/frag/liquid_face.fs

(limited to 'cwd/assets/altcraft/shaders/frag')

diff --git a/cwd/assets/altcraft/shaders/frag/fwd_liquid_face.fs b/cwd/assets/altcraft/shaders/frag/fwd_liquid_face.fs
new file mode 100644
index 0000000..f8d9376
--- /dev/null
+++ b/cwd/assets/altcraft/shaders/frag/fwd_liquid_face.fs
@@ -0,0 +1,38 @@
+#version 330 core
+
+in vec4 faceWorldPos;
+in vec3 faceTextureUv;
+in vec3 faceAddColor;
+in vec3 faceNormal;
+in vec2 faceLight;
+
+out vec4 fragColor;
+
+uniform sampler2DArray textureAtlas;
+
+layout (std140) uniform Globals {
+    mat4 projView;
+    mat4 proj;
+    mat4 invProj;
+    mat4 view;
+    uvec2 viewportSize;
+    vec4 ssaoKernels[64];
+    float globalTime;
+    float dayTime;
+    float gamma;
+};
+
+void main() {
+    vec4 col = texture(textureAtlas, faceTextureUv);
+
+    float localLight = faceLight.r / 15.0f;
+    float skyLight = faceLight.g / 15.0f;
+    float lightLevel = clamp(localLight + skyLight * dayTime, 0.01f, 1.0f);
+    lightLevel = pow(lightLevel, 3);
+    lightLevel = clamp(lightLevel, 0.005f, 1.0f);
+
+    fragColor = vec4(col.rgb * faceAddColor.rgb * lightLevel, 1.0f);
+
+    fragColor.rgb = pow(fragColor.rgb, vec3(1.0f / gamma));
+    fragColor.a = col.a;
+}
diff --git a/cwd/assets/altcraft/shaders/frag/liquid_face.fs b/cwd/assets/altcraft/shaders/frag/liquid_face.fs
new file mode 100644
index 0000000..3e5c0d4
--- /dev/null
+++ b/cwd/assets/altcraft/shaders/frag/liquid_face.fs
@@ -0,0 +1,22 @@
+#version 330 core
+
+in vec3 faceTextureUv;
+in vec3 faceAddColor;
+in vec3 faceNormal;
+in vec2 faceLight;
+in float faceAmbientOcclusion;
+
+layout (location = 0) out vec4 color;
+layout (location = 1) out vec4 normal;
+layout (location = 2) out vec4 light;
+
+uniform sampler2DArray textureAtlas;
+
+void main() {
+    vec4 col = texture(textureAtlas, faceTextureUv);
+
+    color = vec4(col.rgb * faceAddColor.rgb, 1.0f);
+    normal = vec4(faceNormal, 1.0f);
+    light = vec4(faceLight / 15.0f, faceAmbientOcclusion, 1.0f);
+    color.a = col.a;
+}
-- 
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