public void AddTerrain(R_Landblock landblock)
{
foreach (var poly in landblock.Landblock.Polygons)
{
var surfnum = (uint)poly.PosSurface;
var surface = LandSurf.Instance.GetLandSurface(surfnum);
var surfInfo = surface.Info;
for (var i = 0; i < 3; i++)
{
var v = StartVertex(surfInfo);
var vertex = poly.Vertices[i];
var uvIdx = poly.PosUVIndices[i];
var uv = LandblockStruct.LandUVs[uvIdx];
// pre-transform into world space
v.Position = Vector3.Transform(vertex.Origin.ToXna(), landblock.WorldTransform);
v.Normal = vertex.Normal.ToXna();
v.TexCoord0 = new Vector3(uv.X, uv.Y, v.TexCoord0.Z);
var numTerrains = surfInfo.TerrainRotations.Count;
if (numTerrains > 0)
{
var rot = LandblockStruct.LandUVsRotated[(byte)surfInfo.TerrainRotations[0]][uvIdx];
v.TexCoord1 = new Vector4(rot.X, rot.Y, v.TexCoord1.Z, v.TexCoord1.W);
}
if (numTerrains > 1)
{
var rot = LandblockStruct.LandUVsRotated[(byte)surfInfo.TerrainRotations[1]][uvIdx];
v.TexCoord2 = new Vector4(rot.X, rot.Y, v.TexCoord2.Z, v.TexCoord2.W);
}
if (numTerrains > 2)
{
var rot = LandblockStruct.LandUVsRotated[(byte)surfInfo.TerrainRotations[2]][uvIdx];
v.TexCoord3 = new Vector4(rot.X, rot.Y, v.TexCoord3.Z, v.TexCoord3.W);
}
var numRoads = surfInfo.RoadRotations.Count;
if (numRoads > 0)
{
var rot = LandblockStruct.LandUVsRotated[(byte)surfInfo.RoadRotations[0]][uvIdx];
v.TexCoord4 = new Vector4(rot.X, rot.Y, v.TexCoord4.Z, v.TexCoord4.W);
}
if (numRoads > 1)
{
var rot = LandblockStruct.LandUVsRotated[(byte)surfInfo.RoadRotations[1]][uvIdx];
v.TexCoord5 = new Vector4(rot.X, rot.Y, v.TexCoord5.Z, v.TexCoord5.W);
}
Vertices.Add(v);
}
}
}
public void AddTerrain(R_Landblock landblock)
{
if (CurrentBatch == null || !CurrentBatch.CanAdd(landblock))
{
CurrentBatch = new TerrainBatchDraw(OverlayAtlasChain, AlphaAtlasChain);
Batches.Add(CurrentBatch);
}
CurrentBatch.AddTerrain(landblock);
}
public bool CanAdd(R_Landblock landblock)
{
return(Vertices.Count + landblock.Landblock.Polygons.Count * 3 <= MaxVertices);
}