/// <summary>
///
/// </summary>
/// <param name="uniforms"></param>
/// <param name="key"></param>
/// <param name="value"></param>
public static void SetValue(Uniforms uniforms, string key, object value)
{
Uniform entry = null;
if (uniforms.TryGetValue(key, out entry))
{
entry["value"] = value;
}
}
/// <summary>
///
/// </summary>
/// <param name="original"></param>
/// <returns></returns>
public Uniforms Copy(Uniforms original)
{
var destination = new Uniforms();
foreach (var entry in original)
{
destination.Add(entry.Key, new Uniform().Copy(entry.Value));
}
return(destination);
}
/// <summary>
///
/// </summary>
/// <param name="uniforms"></param>
/// <returns></returns>
public static Uniforms Merge(List <Uniforms> uniforms)
{
var merged = new Uniforms();
foreach (var uniform in uniforms)
{
// var tmp = uniform.clone();
foreach (var kvp in uniform)
{
merged.Add(kvp.Key, kvp.Value);
}
}
return(merged);
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public static object Clone(Uniforms uniforms)
{
return(new Uniforms().Copy(uniforms));
}
/// <summary>
///
/// </summary>
private Shader PhongShader()
{
var shader = new Shader();
#region construct uniform variables
var tt = new Uniforms {
{ "ambient", new Uniform()
{
{ "type", "c" }, { "value", Color.White }
} }
};
shader.Uniforms =
UniformsUtils.Merge(new List <Uniforms>
{
this.UniformsLib["common"],
this.UniformsLib["bump"],
this.UniformsLib["normalmap"],
this.UniformsLib["fog"],
this.UniformsLib["lights"],
this.UniformsLib["shadowmap"],
new Uniforms {
{ "ambient", new Uniform()
{
{ "type", "c" }, { "value", Color.White }
} }
},
new Uniforms {
{ "emissive", new Uniform()
{
{ "type", "c" }, { "value", Color.Black }
} }
},
new Uniforms {
{ "specular", new Uniform()
{
{ "type", "c" }, { "value", Color.DimGray }
} }
},
new Uniforms {
{ "shininess", new Uniform()
{
{ "type", "f" }, { "value", 30.0f }
} }
},
new Uniforms {
{ "wrapRGB", new Uniform()
{
{ "type", "v3" }, { "value", new Vector3(1, 1, 1) }
} }
}
});
#endregion
#region construct vertexShader source
var vs = new List <string>();
vs.Add("#define PHONG");
vs.Add("varying vec3 vViewPosition;");
vs.Add("varying vec3 vNormal;");
vs.Add(this.getChunk("map_pars_vertex"));
vs.Add(this.getChunk("lightmap_pars_vertex"));
vs.Add(this.getChunk("envmap_pars_vertex"));
vs.Add(this.getChunk("lights_phong_pars_vertex"));
vs.Add(this.getChunk("color_pars_vertex"));
vs.Add(this.getChunk("morphtarget_pars_vertex"));
vs.Add(this.getChunk("skinning_pars_vertex"));
vs.Add(this.getChunk("shadowmap_pars_vertex"));
vs.Add(this.getChunk("logdepthbuf_pars_vertex"));
vs.Add("void main() {");
vs.Add(this.getChunk("map_vertex"));
vs.Add(this.getChunk("lightmap_vertex"));
vs.Add(this.getChunk("color_vertex"));
vs.Add(this.getChunk("morphnormal_vertex"));
vs.Add(this.getChunk("skinbase_vertex"));
vs.Add(this.getChunk("skinnormal_vertex"));
vs.Add(this.getChunk("defaultnormal_vertex"));
vs.Add(" vNormal = normalize( transformedNormal );");
vs.Add(this.getChunk("morphtarget_vertex"));
vs.Add(this.getChunk("skinning_vertex"));
vs.Add(this.getChunk("default_vertex"));
vs.Add(this.getChunk("logdepthbuf_vertex"));
vs.Add(" vViewPosition = -mvPosition.xyz;");
vs.Add(this.getChunk("worldpos_vertex"));
vs.Add(this.getChunk("envmap_vertex"));
vs.Add(this.getChunk("lights_phong_vertex"));
vs.Add(this.getChunk("shadowmap_vertex"));
vs.Add("}");
// join
shader.VertexShader = String.Join("\n", vs).Trim();
#endregion
#region fragmentShader
var fs = new List <string>();
fs.Add("uniform vec3 diffuse;");
fs.Add("uniform float opacity;");
fs.Add("uniform vec3 ambient;");
fs.Add("uniform vec3 emissive;");
fs.Add("uniform vec3 specular;");
fs.Add("uniform float shininess;");
fs.Add(this.getChunk("color_pars_fragment"));
fs.Add(this.getChunk("map_pars_fragment"));
fs.Add(this.getChunk("alphamap_pars_fragment"));
fs.Add(this.getChunk("lightmap_pars_fragment"));
fs.Add(this.getChunk("envmap_pars_fragment"));
fs.Add(this.getChunk("fog_pars_fragment"));
fs.Add(this.getChunk("lights_phong_pars_fragment"));
fs.Add(this.getChunk("shadowmap_pars_fragment"));
fs.Add(this.getChunk("bumpmap_pars_fragment"));
fs.Add(this.getChunk("normalmap_pars_fragment"));
fs.Add(this.getChunk("specularmap_pars_fragment"));
fs.Add(this.getChunk("logdepthbuf_pars_fragment"));
fs.Add("void main() {");
fs.Add(" gl_FragColor = vec4( vec3( 1.0 ), opacity );");
fs.Add(this.getChunk("logdepthbuf_fragment"));
fs.Add(this.getChunk("map_fragment"));
fs.Add(this.getChunk("alphamap_fragment"));
fs.Add(this.getChunk("alphatest_fragment"));
fs.Add(this.getChunk("specularmap_fragment"));
fs.Add(this.getChunk("lights_phong_fragment"));
fs.Add(this.getChunk("lightmap_fragment"));
fs.Add(this.getChunk("color_fragment"));
fs.Add(this.getChunk("envmap_fragment"));
fs.Add(this.getChunk("shadowmap_fragment"));
fs.Add(this.getChunk("linear_to_gamma_fragment"));
fs.Add(this.getChunk("fog_fragment"));
fs.Add("}");
// join
shader.FragmentShader = String.Join("\n", fs).Trim();
#endregion
return(shader);
}