1 files changed, 38 insertions, 0 deletions

diff --git a/cwd/assets/altcraft/shaders/frag/fwd_face.fs b/cwd/assets/altcraft/shaders/frag/fwd_face.fs
new file mode 100644
index 0000000..deb8341
--- /dev/null
+++ b/cwd/assets/altcraft/shaders/frag/fwd_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 view;
+    uvec2 viewportSize;
+    vec4 ssaoKernels[64];
+    float globalTime;
+    float dayTime;
+    float gamma;
+};
+
+void main() {
+    vec4 col = texture(textureAtlas, faceTextureUv);
+    if (col.a < 0.3f)
+        discard;
+
+    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));
+}