public void SetTexture(float x, float z, ITexture texture, float rotation)
{
int tx = (int)(x / Constants.terrainPieceSize);
int tz = (int)(z / Constants.terrainPieceSize);
int cx = tx / Constants.terrainHeightsPerChunk;
if (tx < 0 && tx % Constants.terrainHeightsPerChunk != 0)
{
cx--;
}
int cz = tz / Constants.terrainHeightsPerChunk;
if (tz < 0 && tz % Constants.terrainHeightsPerChunk != 0)
{
cz--;
}
Vector2D loc = new Vector2D(cx, cz);
ITerrainChunk tc = terrainChunks[loc] as ITerrainChunk;
if (tc == null)
{
tc = TerrainChunk.CreateTerrainChunk(cx * Constants.terrainHeightsPerChunk * Constants.terrainPieceSize, cz * Constants.terrainHeightsPerChunk * Constants.terrainPieceSize, Constants.terrainPieceSize, Constants.terrainHeightsPerChunk);
terrainChunks.Add(loc, tc);
}
tc.DrawTexture(texture, x, z, rotation);
}
public void Cull(float x, float z)
{
int tx = (int)(x / Constants.terrainHeightsPerChunk);
int tz = (int)(z / Constants.terrainHeightsPerChunk);
foreach (Vector2D loc in terrainChunks.Keys)
{
if (Math.Abs(loc.X - tx) > 2 || Math.Abs(loc.Y - tz) > 2)
{
TerrainChunk tc = terrainChunks[loc] as TerrainChunk;
if (tc != null)
{
tc.Delete();
terrainChunks.Remove(loc);
}
Vector2D height_loc = new Vector2D(0, 0);
for (int i = 0; i < Constants.terrainHeightsPerChunk; i++)
{
for (int j = 0; j < Constants.terrainHeightsPerChunk; j++)
{
height_loc.Set(loc.X * Constants.terrainHeightsPerChunk + i, loc.Y * Constants.terrainHeightsPerChunk + j);
terrainHeights.Remove(height_loc);
}
}
}
}
}
public static ITerrainChunk CreateTerrainChunk(float x, float z, float gap_size, int heights)
{
TerrainChunk t = new TerrainChunk();
t._gap_size = gap_size;
t._heights = heights;
t.Position.X = x; t.Position.Z = z;
t._mesh = new TVLandscape();
t._width = gap_size * heights;
t._height = gap_size * heights;
t._mesh.CreateEmptyTerrain((CONST_TV_LANDSCAPE_PRECISION)(256 / heights),
1, 1,
x, z);
t._mesh.SetTerrainScale(gap_size * heights / 256F, 1, gap_size * heights / 256F, true);
return(t);
}
public void SetHeight(float x, float z, float altitude)
{
int tx = (int)(x / Constants.terrainPieceSize);
int tz = (int)(z / Constants.terrainPieceSize);
Vector2D loc = new Vector2D(tx, tz);
if (terrainHeights.Contains(loc))
{
//Strive.Logging.Log.WarningMessage( "Replacing terrain peice " + tpexists.instance_id + " with " + tp.instance_id );
terrainHeights.Remove(loc);
}
terrainHeights.Add(loc, altitude);
int cx = tx / Constants.terrainHeightsPerChunk;
if (tx < 0 && tx % Constants.terrainHeightsPerChunk != 0)
{
cx--;
}
int cz = tz / Constants.terrainHeightsPerChunk;
if (tz < 0 && tz % Constants.terrainHeightsPerChunk != 0)
{
cz--;
}
loc.Set(cx, cz);
ITerrainChunk tc = terrainChunks[loc] as ITerrainChunk;
if (tc == null)
{
tc = TerrainChunk.CreateTerrainChunk(cx * Constants.terrainHeightsPerChunk * Constants.terrainPieceSize, cz * Constants.terrainHeightsPerChunk * Constants.terrainPieceSize, Constants.terrainPieceSize, Constants.terrainHeightsPerChunk);
terrainChunks.Add(loc, tc);
}
tc.SetHeight(x, z, altitude);
if (tx % Constants.terrainHeightsPerChunk == 0)
{
loc.Set(cx - 1, cz);
tc = terrainChunks[loc] as ITerrainChunk;
if (tc == null)
{
tc = TerrainChunk.CreateTerrainChunk((cx - 1) * Constants.terrainHeightsPerChunk * Constants.terrainPieceSize, cz * Constants.terrainHeightsPerChunk * Constants.terrainPieceSize, Constants.terrainPieceSize, Constants.terrainHeightsPerChunk);
terrainChunks.Add(loc, tc);
}
tc.SetHeight(x, z, altitude);
}
if (tz % Constants.terrainHeightsPerChunk == 0)
{
loc.Set(cx, cz - 1);
tc = terrainChunks[loc] as ITerrainChunk;
if (tc == null)
{
tc = TerrainChunk.CreateTerrainChunk(cx * Constants.terrainHeightsPerChunk * Constants.terrainPieceSize, (cz - 1) * Constants.terrainHeightsPerChunk * Constants.terrainPieceSize, Constants.terrainPieceSize, Constants.terrainHeightsPerChunk);
terrainChunks.Add(loc, tc);
}
tc.SetHeight(x, z, altitude);
}
if (tx % Constants.terrainHeightsPerChunk == 0 && tz % Constants.terrainHeightsPerChunk == 0)
{
loc.Set(cx - 1, cz - 1);
tc = terrainChunks[loc] as ITerrainChunk;
if (tc == null)
{
tc = TerrainChunk.CreateTerrainChunk((cx - 1) * Constants.terrainHeightsPerChunk * Constants.terrainPieceSize, (cz - 1) * Constants.terrainHeightsPerChunk * Constants.terrainPieceSize, Constants.terrainPieceSize, Constants.terrainHeightsPerChunk);
terrainChunks.Add(loc, tc);
}
tc.SetHeight(x, z, altitude);
}
}