1 files changed, 46 insertions, 0 deletions
diff --git a/libs/preview_nif/data/shaders/sk_effectshader.vert b/libs/preview_nif/data/shaders/sk_effectshader.vert
new file mode 100644
index 0000000..3204cba
--- /dev/null
+++ b/libs/preview_nif/data/shaders/sk_effectshader.vert
@@ -0,0 +1,46 @@
+#version 120
+
+uniform mat4 modelViewMatrix;
+uniform mat4 mvpMatrix;
+uniform mat3 normalMatrix;
+uniform vec3 lightDirection;
+uniform vec4 ambientColor;
+uniform vec4 diffuseColor;
+
+attribute vec3 position;
+attribute vec3 normal;
+attribute vec3 tangent;
+attribute vec3 bitangent;
+attribute vec2 texCoord;
+attribute vec4 color;
+
+varying vec2 TexCoord;
+varying vec3 LightDir;
+varying vec3 ViewDir;
+
+varying vec4 C;
+
+varying vec3 N;
+varying vec3 t;
+varying vec3 b;
+varying vec3 v;
+
+void main( void )
+{
+    gl_Position = mvpMatrix * vec4(position, 1);
+    TexCoord = texCoord;
+
+    N = normalize(normalMatrix * normal);
+    t = normalize(normalMatrix * tangent);
+    b = normalize(normalMatrix * bitangent);
+    v = vec3(modelViewMatrix * vec4(position, 1));
+
+    mat3 tbnMatrix = mat3(b.x, t.x, N.x,
+                          b.y, t.y, N.y,
+                          b.z, t.z, N.z);
+
+    ViewDir = tbnMatrix * -v.xyz;
+    LightDir = tbnMatrix * lightDirection.xyz;
+
+    C = color;
+}