public void Render(Scene scene)
{
_device.VertexFormat = VertexPositionNormal.Format;
_device.SetRenderState(RenderState.CullMode, Cull.None);
RenderSceneObjects(scene.Liquids.Where(l=>(l.MaterialProperties & MaterialFlags.DamageOverTime)!= 0), _harmingLiquidMaterial);
RenderSceneObjects(scene.Liquids.Where(l => (l.MaterialProperties & MaterialFlags.DamageOverTime) == 0), _waterMaterial);
_device.SetRenderState(RenderState.CullMode, Cull.Clockwise);
RenderSceneObjects(scene.Terrain, _terrainMaterial);
RenderSceneObjects(scene.Doodads, _doodadMaterial);
RenderSceneObjects(scene.Wmos, _wmoMaterial);
}
private static void DumpAsWavefrontObject(Scene scene, Stream stream)
{
var allObjects = scene.Terrain
.Concat(scene.Liquids)
.Concat(scene.Wmos)
.Concat(scene.Doodads);
// Wavefront objects have exactly one vertex array and one triangle array, which indexes into the vertex array 1-based.
// Since Vertices and especially vertex indices are stored per SceneObject, we have to copy the vertices and offset
// the triangle indices:
var vertices = new List<Vector3>();
var triangles = new List<IndexedTriangle>();
foreach (var geo in allObjects.Select(so => so.Geometry))
{
var offset = 1 + vertices.Count; // 1-based
vertices.AddRange(geo.Vertices);
triangles.AddRange(
from t in geo.Triangles
select new IndexedTriangle
{
A = t.A + offset,
B = t.B + offset,
C = t.C + offset
});
}
// Now just dump them.
using (var writer = new StreamWriter(stream))
{
writer.WriteLine("o some_adt.obj");
foreach (var v in vertices)
{
var nf = CultureInfo.InvariantCulture.NumberFormat;
writer.WriteLine("v {0} {1} {2}", v.X.ToString(nf), v.Y.ToString(nf), v.Z.ToString(nf));
}
foreach (var t in triangles)
{
writer.WriteLine("f {0} {1} {2}", t.A, t.B, t.C);
}
}
}