public TerrainMesh(TerrainVertex[] vertices, ushort[] indices)
{
if (terrainRasterizerState == null)
{
terrainRasterizerState = new RasterizerState();
terrainRasterizerState.CullMode = CullMode.None;
terrainRasterizerState.FillMode = FillMode.WireFrame;
}
vertexBuffer = new VertexBuffer(GameEngine.Device, typeof(TerrainVertex), vertices.Length, BufferUsage.None);
vertexBuffer.SetData<TerrainVertex>(vertices);
indexBuffer = new IndexBuffer(GameEngine.Device, IndexElementSize.SixteenBits, indices.Length, BufferUsage.None);
indexBuffer.SetData<ushort>(indices);
}
public static TerrainMesh GenerateMesh(int WidthCount, int LenghtCount, float step)
{
// TerrainMesh tm = new TerrainMesh();
int wverticesCount = WidthCount + 1;
int lverticesCount = LenghtCount + 1;
TerrainVertex[] vertices = new TerrainVertex[wverticesCount * lverticesCount];
float sizew = step * WidthCount;
float sizel = step * LenghtCount;
float scaletcoord = 0.5f;
Vector3 startvector = new Vector3(-sizew / 2, 0, -sizel / 2);
for (int i = 0; i < wverticesCount;i++ )
for (int j = 0; j < lverticesCount; j++)
{
int index= i * lverticesCount + j;
vertices[index].position = startvector + new Vector3(i * step, 0, j * step);
vertices[index].textureCoordinate = new Vector2(i * scaletcoord, j * scaletcoord);
vertices[index].normal = Vector3.UnitY;
}
ushort[] indices = new ushort[WidthCount * LenghtCount * 6];
int indexadd = 0;
for (int i = 0; i < WidthCount; i++)
{
for (int j = 0; j < LenghtCount; j++)
{
int qwadindex = i * LenghtCount + j;
int firsttrindex = qwadindex;
ushort index1 = Convert.ToUInt16(LenghtCount * i + j + indexadd);
ushort index2 = Convert.ToUInt16(LenghtCount * i + j + 1 + indexadd);
ushort index3 = Convert.ToUInt16(LenghtCount * (i + 1) + j + 1 + indexadd);
indices[firsttrindex * 3] = index1;
indices[firsttrindex * 3 + 1] = index2;
indices[firsttrindex * 3 + 2] = index3;
ushort index6 = Convert.ToUInt16(LenghtCount * (i + 1) + j + 2 + indexadd);
indices[firsttrindex * 3 + indices.Length / 2] = index3;
indices[firsttrindex * 3 + 1 + indices.Length / 2] = index2;
indices[firsttrindex * 3 + 2 + indices.Length / 2] = index6;
}
indexadd++;
}
TerrainMesh tm = new TerrainMesh(vertices, indices);
tm.Size = new Vector3(WidthCount*step,0,LenghtCount*step);
return tm;
}
public void loadbody(byte[] buffer)
{
TerrainVertex[] vertices;
ushort[] indices;
BinaryReader br = new BinaryReader(new MemoryStream(buffer));
vertices = new TerrainVertex[br.ReadInt32()];
indices = new ushort[br.ReadInt32()];
for (int bv = 0; bv < vertices.Length; bv++)
{
vertices[bv] = new TerrainVertex(
new Vector3(br.ReadSingle(), br.ReadSingle(), br.ReadSingle()),
new Vector3(br.ReadSingle(), br.ReadSingle(), br.ReadSingle()),
new Vector2(br.ReadSingle(), 1.0f -br.ReadSingle()));
string sss;
int t = br.ReadInt32();
for (int i = 0; i < t; i++)
sss = br.ReadPackString();
int d = br.ReadInt32();
br.BaseStream.Seek(d * 4, SeekOrigin.Current);
}
for (int bv = 0; bv < indices.Length; bv++)
indices[bv] = Convert.ToUInt16(br.ReadInt32());
br.Close();
vertexBuffer = new VertexBuffer(GameEngine.Device, typeof(TerrainVertex), vertices.Length, BufferUsage.None);
vertexBuffer.SetData<TerrainVertex>(vertices);
indexBuffer = new IndexBuffer(GameEngine.Device, IndexElementSize.SixteenBits, indices.Length, BufferUsage.None);
indexBuffer.SetData<ushort>(indices);
}
