private void BuildIndices()
{
var geometry = new Geometry <VertexPositionNormalTexture>();
geometry.AddVertices(ModelVertices.ToArray());
ModelIndices.AddRange(geometry.Indices);
}
protected void Setup()
{
if (!ModelIndices.Any())
{
BuildIndices();
}
if (Entity is EntityFloorInfo && Entity.TextureIndexList == null)
{
Entity.TextureIndexList = new[] { 0, 0 }
}
;
else if (Entity.TextureIndexList == null)
{
return;
}
var triangles = ModelVertices.Count / 3;
// if TextureIndex list is smaller than the triangle count, fill them with 0
if (Entity.TextureIndexList.Length < triangles)
{
var newTextureIndexList = new int[triangles];
for (var i = 0; i < Entity.TextureIndexList.Length; i++)
{
newTextureIndexList[i] = Entity.TextureIndexList[i];
}
for (var i = Entity.TextureIndexList.Length; i < newTextureIndexList.Length; i++)
{
newTextureIndexList[i] = 0;
}
Entity.TextureIndexList = newTextureIndexList;
}
for (var i = 0; i < triangles; i++)
{
var indexValue = Entity.TextureIndexList[i];
if (indexValue == -1 || !Entity.Visible)
{
continue;
}
ModelTriangles.Add(new ModelTriangle(this, i * 3));
}
BuildBoundingBox();
}
