91 lines
2.1 KiB
Plaintext
91 lines
2.1 KiB
Plaintext
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struct v2f_vertex_lit {
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vec2 uv;
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vec4 diff;
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vec4 spec;
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};
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struct v2f_img {
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vec4 pos;
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vec2 uv;
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};
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struct appdata_img {
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vec4 vertex;
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vec2 texcoord;
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};
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struct SurfaceOutput {
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vec3 Albedo;
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vec3 Normal;
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vec3 Emission;
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float Specular;
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float Gloss;
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float Alpha;
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};
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struct Input {
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vec2 uv_MainTex;
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vec2 uv_BumpMap;
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};
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struct v2f_surf {
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vec4 pos;
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vec2 hip_pack0;
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vec3 TtoV0;
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vec3 TtoV1;
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vec3 TtoV2;
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};
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struct appdata_full {
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vec4 vertex;
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vec4 tangent;
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vec3 normal;
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vec4 texcoord;
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vec4 texcoord1;
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vec4 color;
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};
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uniform sampler2D _BumpMap;
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uniform vec4 _Color;
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uniform sampler2D _MainTex;
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vec4 UnpackNormal( in vec4 packednormal );
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void surf( in Input IN, inout SurfaceOutput o );
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vec4 frag_surf( in v2f_surf IN );
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vec4 UnpackNormal( in vec4 packednormal ) {
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vec4 normal;
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normal.xy = ((packednormal.wy * 2.00000) - 1.00000);
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normal.z = sqrt( ((1.00000 - (normal.x * normal.x )) - (normal.y * normal.y )) );
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return normal;
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}
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void surf( in Input IN, inout SurfaceOutput o ) {
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vec4 c;
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c = (texture2D( _MainTex, IN.uv_MainTex) * _Color);
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o.Albedo = c.xyz ;
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o.Alpha = c.w ;
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o.Normal = vec3( UnpackNormal( texture2D( _BumpMap, IN.uv_BumpMap)));
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}
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vec4 frag_surf( in v2f_surf IN ) {
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Input surfIN;
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SurfaceOutput o;
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vec3 viewN;
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vec4 res;
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surfIN.uv_BumpMap = IN.hip_pack0.xy ;
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o.Albedo = vec3( 0.000000);
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o.Emission = vec3( 0.000000);
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o.Specular = 0.000000;
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o.Alpha = 0.000000;
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o.Gloss = 0.000000;
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surf( surfIN, o);
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viewN.x = dot( IN.TtoV0, o.Normal);
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viewN.y = dot( IN.TtoV1, o.Normal);
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viewN.z = dot( IN.TtoV2, o.Normal);
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o.Normal = viewN;
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res.xyz = ((o.Normal * vec3( 0.500000, 0.500000, -0.500000)) + 0.500000);
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res.w = o.Specular;
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return res;
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}
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void main() {
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vec4 xl_retval;
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v2f_surf xlt_IN;
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xlt_IN.pos = vec4(0.0);
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xlt_IN.hip_pack0 = vec2( gl_TexCoord[0]);
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xlt_IN.TtoV0 = vec3( gl_TexCoord[1]);
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xlt_IN.TtoV1 = vec3( gl_TexCoord[2]);
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xlt_IN.TtoV2 = vec3( gl_TexCoord[3]);
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xl_retval = frag_surf( xlt_IN);
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gl_FragData[0] = vec4( xl_retval);
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}
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