private void loadgrid(int x)
{
// if already in memory, return
if ((map[x].mesh != null) || (map[x].loading))
{
return;
}
map[x].loading = true;
LoadTerrainGrid lg = new LoadTerrainGrid(d3dDevice, map, x);
Thread t = new Thread(new ThreadStart(lg.LoadGrid));
t.Start();
}
public Landscape(Device d3device)
{
matWorld.Translate(0f, 0f, 0f);
d3dDevice = d3device;
this.simple = Form1.terrainFlat;
map = new MapMesh[81];
// Read data information from terrenoinfo.dat
// so we can actually know which terrain will be shown
// without loading the whole mesh into memory.
/* for (int p1=0;p1<81;p1++)
* {
* LoadTerrainGrid lg2=new LoadTerrainGrid(d3dDevice,map,p1);
* lg2.LoadGrid();
* } */
if (!simple)
{
StreamReader sr = new StreamReader(@"media\terrain\terrenoinfo.dat");
Matrix world = new Matrix();
for (int p = 0; p < 81; p++)
{
sr.ReadLine(); // read the grid number
map[p].min.X = float.Parse(sr.ReadLine());
map[p].min.Y = float.Parse(sr.ReadLine());
map[p].min.Z = float.Parse(sr.ReadLine());
map[p].max.X = float.Parse(sr.ReadLine());
map[p].max.Y = float.Parse(sr.ReadLine());
map[p].max.Z = float.Parse(sr.ReadLine());
map[p].mesh = null;
map[p].loading = false;
map[p].mat = new Matrix();
map[p].mat.Translate((map[p].min.X + map[p].max.X) / 2f, (map[p].min.Y + map[p].max.Y) / 2f, (map[p].min.Z + map[p].max.Z) / 2f);
map[p].center = new Vector3((map[p].min.X + map[p].max.X) / 2f, (map[p].min.Y + map[p].max.Y) / 2f, (map[p].min.Z + map[p].max.Z) / 2f);
map[p].m_vecBoundsLocal = new Vector3[8];
map[p].m_vecBoundsLocal[0] = new Vector3(map[p].min.X, map[p].min.Y, map[p].min.Z); // xyz
map[p].m_vecBoundsLocal[1] = new Vector3(map[p].max.X, map[p].min.Y, map[p].min.Z); // Xyz
map[p].m_vecBoundsLocal[2] = new Vector3(map[p].min.X, map[p].max.Y, map[p].min.Z); // xYz
map[p].m_vecBoundsLocal[3] = new Vector3(map[p].max.X, map[p].max.Y, map[p].min.Z); // XYz
map[p].m_vecBoundsLocal[4] = new Vector3(map[p].min.X, map[p].min.Y, map[p].max.Z); // xyZ
map[p].m_vecBoundsLocal[5] = new Vector3(map[p].max.X, map[p].min.Y, map[p].max.Z); // XyZ
map[p].m_vecBoundsLocal[6] = new Vector3(map[p].min.X, map[p].max.Y, map[p].max.Z); // xYZ
map[p].m_vecBoundsLocal[7] = new Vector3(map[p].max.X, map[p].max.Y, map[p].max.Z); // XYZ
// transform local position to world coordinates
map[p].m_vecBoundsWorld = new Vector3[8];
for (int i = 0; i < 8; i++)
{
map[p].m_vecBoundsWorld[i] = map[p].m_vecBoundsLocal[i]; // Vector3.TransformCoordinate( map[p].m_vecBoundsLocal[i], map[p].mat );
}
// Determine planes of the bounding box
map[p].m_planeBoundsWorld = new Plane[6];
map[p].m_planeBoundsWorld[0] = Plane.FromPoints(map[p].m_vecBoundsWorld[0],
map[p].m_vecBoundsWorld[1], map[p].m_vecBoundsWorld[2]); // Near
map[p].m_planeBoundsWorld[1] = Plane.FromPoints(map[p].m_vecBoundsWorld[6],
map[p].m_vecBoundsWorld[7], map[p].m_vecBoundsWorld[5]); // Far
map[p].m_planeBoundsWorld[2] = Plane.FromPoints(map[p].m_vecBoundsWorld[2],
map[p].m_vecBoundsWorld[6], map[p].m_vecBoundsWorld[4]); // Left
map[p].m_planeBoundsWorld[3] = Plane.FromPoints(map[p].m_vecBoundsWorld[7],
map[p].m_vecBoundsWorld[3], map[p].m_vecBoundsWorld[5]); // Right
map[p].m_planeBoundsWorld[4] = Plane.FromPoints(map[p].m_vecBoundsWorld[2],
map[p].m_vecBoundsWorld[3], map[p].m_vecBoundsWorld[6]); // Top
map[p].m_planeBoundsWorld[5] = Plane.FromPoints(map[p].m_vecBoundsWorld[1],
map[p].m_vecBoundsWorld[0], map[p].m_vecBoundsWorld[4]); // Bottom
map[p].box = Mesh.Box(d3dDevice, map[p].max.X - map[p].min.X, map[p].max.Y - map[p].min.Y, map[p].max.Z - map[p].min.Z);
}
sr.Close();
LoadTerrainGrid lg = new LoadTerrainGrid(d3dDevice, map, 32);
lg.LoadGrid(32);
lg.LoadGrid(41);
lg.LoadGrid(21);
lg.LoadGrid(31);
lg.LoadGrid(33);
lg.LoadGrid(34);
lg.LoadGrid(40);
lg.LoadGrid(42);
lg.LoadGrid(43);
lg.LoadGrid(39);
lg.LoadGrid(20);
lg.LoadGrid(22);
lg.LoadGrid(23);
}
else
{
map[0].mesh = Mesh.FromFile(@"media\terrain\single.x", MeshFlags.SystemMemory, d3dDevice); // , out o, out materials);
}
if (Form1.smallTexture)
{
maptexture = TextureLoader.FromFile(d3dDevice, @"media\terrain\ps_texture_simple.jpg");
}
else
{
maptexture = TextureLoader.FromFile(d3dDevice, @"media\terrain\ps_texture_4k.jpg");
}
mapmaterial = new Material();
mapmaterial.Diffuse = mapmaterial.Ambient = System.Drawing.Color.FromArgb(149, 149, 149);
}