/// <summary>
/// Intializes graphics engine.
/// </summary>
public override void Initialize ()
{
whiteTexture = new DynamicTexture( this, 4,4, typeof(Color), false, false );
whiteTexture.SetData( Enumerable.Range(0,16).Select( i => Color.White ).ToArray() );
grayTexture = new DynamicTexture( this, 4,4, typeof(Color), false, false );
grayTexture.SetData( Enumerable.Range(0,16).Select( i => Color.Gray ).ToArray() );
blackTexture = new DynamicTexture( this, 4,4, typeof(Color), false, false );
blackTexture.SetData( Enumerable.Range(0,16).Select( i => Color.Black ).ToArray() );
flatNormalMap = new DynamicTexture( this, 4,4, typeof(Color), false, false );
flatNormalMap.SetData( Enumerable.Range(0,16).Select( i => new Color(127,127,255,127) ).ToArray() );
var baseIllum = new BaseIllum();
defaultMaterial = baseIllum.CreateMaterialInstance(this, Game.Content);
// add default render world
renderWorld = new RenderWorld(Game, Width, Height);
AddLayer( renderWorld );
}
/// <summary>
/// Creates gpu material
/// </summary>
/// <param name="rs"></param>
/// <returns></returns>
internal MaterialInstance CreateMaterialInstance ( RenderSystem rs, ContentManager content )
{
var data = new MaterialData();
GetMaterialData( ref data );
var mtrl = new MaterialInstance( rs, content, data, GetTextureBindings(), GetSurfaceFlags() );
return mtrl;
}
public ShadingGroup( MeshSubset subset, MaterialInstance material )
{
StartIndex = subset.StartPrimitive * 3;
IndicesCount= subset.PrimitiveCount * 3;
Material = material;
}
/// <summary>
///
/// </summary>
/// <param name="material"></param>
/// <param name="flags"></param>
/// <returns></returns>
SurfaceFlags ApplyFlags ( MaterialInstance material, MeshInstance instance, SurfaceFlags flags )
{
//if (material!=null) {
// switch ( material.Options ) {
// case MaterialOptions.SingleLayer : flags |= SurfaceFlags.LAYER0; break;
// case MaterialOptions.DoubleLayer : flags |= SurfaceFlags.LAYER0|SurfaceFlags.LAYER1; break;
// case MaterialOptions.TripleLayer : flags |= SurfaceFlags.LAYER0|SurfaceFlags.LAYER1|SurfaceFlags.LAYER2; break;
// case MaterialOptions.QuadLayer : flags |= SurfaceFlags.LAYER0|SurfaceFlags.LAYER1|SurfaceFlags.LAYER2|SurfaceFlags.LAYER3; break;
// case MaterialOptions.Terrain : flags |= SurfaceFlags.TERRAIN; break;
// case MaterialOptions.TriplanarWorldSingle : flags |= SurfaceFlags.TRIPLANAR_SINGLE; break;
// case MaterialOptions.TriplanarWorldDouble : flags |= SurfaceFlags.TRIPLANAR_DOUBLE; break;
// case MaterialOptions.TriplanarWorldTriple : flags |= SurfaceFlags.TRIPLANAR_TRIPLE; break;
// }
//}
if (instance.IsSkinned) {
flags |= SurfaceFlags.SKINNED;
} else {
flags |= SurfaceFlags.RIGID;
}
return flags;
}
/// <summary>
/// Creates instance from mesh in scene.
/// </summary>
/// <param name="rs"></param>
/// <param name="mesh"></param>
public MeshInstance ( RenderSystem rs, Scene scene, Mesh mesh, MaterialInstance[] materials )
{
Visible = true;
World = Matrix.Identity;
Color = Color4.Zero;
Blending = new Vector4(1,1,1,1);
vb = mesh.VertexBuffer;
ib = mesh.IndexBuffer;
vertexCount = mesh.VertexCount;
indexCount = mesh.IndexCount;
ShadingGroups = mesh.Subsets
.Select( s => new ShadingGroup( s, materials[s.MaterialIndex] ) )
.ToArray();
IsSkinned = mesh.IsSkinned;
if (IsSkinned && scene.Nodes.Count > SceneRenderer.MaxBones) {
throw new ArgumentOutOfRangeException( string.Format("Scene contains more than {0} bones and cannot be used for skinning.", SceneRenderer.MaxBones ) );
}
if (IsSkinned) {
BoneTransforms = Enumerable
.Range(0, SceneRenderer.MaxBones)
.Select( i => Matrix.Identity )
.ToArray();
}
}