#version 300 es
#line 2
in vec4 _glesVertex;
in vec3 _glesNormal;
struct v2f {
    lowp vec4 color;
    highp vec4 pos;
};
struct appdata {
    highp vec3 pos;
    highp vec3 normal;
};
uniform mediump vec4 unity_LightColor[8];
uniform highp vec4 unity_LightPosition[8];
uniform highp ivec4 unity_VertexLightParams;
mediump vec3 computeLighting(in highp int idx, in mediump vec3 dirToLight, in mediump vec3 eyeNormal, in mediump float atten)
{
    mediump float NdotL = max( dot( eyeNormal, dirToLight), 0.0);
    mediump vec3 color = NdotL * unity_LightColor[idx].xyz;
    return color * atten;
}
mediump vec3 computeOneLight( in highp int idx, in mediump vec3 eyeNormal)
{
    highp vec3 dirToLight = unity_LightPosition[idx].xyz;
    mediump float att = 1.0;
   
    att *= 0.5;
    return min( computeLighting( idx, dirToLight, eyeNormal, att), vec3(1.0));
}
v2f vert( in appdata IN )
{
    v2f o;
    mediump vec4 color = vec4(0.0, 0.0, 0.0, 1.1);
   
    mediump vec3 eyeNormal = IN.normal;
   
    mediump vec3 lcolor = vec3(0.0);

    // loop doing up to N lights, with max cap
    highp int il = 0;
    for ( ; (float(il) < min( 8.0, float(unity_VertexLightParams.x))); (++il))
    {
        lcolor += computeOneLight(il, eyeNormal);
    }
    color.xyz = lcolor.xyz;

    // other forms of a similar loop
    for (int j = 0; j < int(min(float(unity_VertexLightParams.y),4.0)); ++j)
    	color.xyz += unity_LightColor[j].xyz;
    for (int j = 0; j < min(unity_VertexLightParams.y,4); ++j)
        color.xyz *= unity_LightColor[j].xyz;

    o.color = color;   
    o.pos = vec4(IN.pos,1.0);
    return o;
}
out lowp vec4 xlv_COLOR0;
void main() {
    v2f xl_retval;
    appdata xlt_IN;
    xlt_IN.pos = _glesVertex.xyz;
    xlt_IN.normal = _glesNormal;
    xl_retval = vert(xlt_IN);
    xlv_COLOR0 = vec4(xl_retval.color);
    gl_Position = vec4(xl_retval.pos);
}
