void RenderTerrain(TerrainData terrain)
{
int w = m_size.Width;
int h = m_size.Height;
TileData[,,] tileGrid;
byte[,] levelMap;
terrain.GetData(out tileGrid, out levelMap);
int min = levelMap.Min();
int max = levelMap.Max();
m_sliceBmpXY.Lock();
unsafe
{
var pBackBuffer = (uint*)m_sliceBmpXY.BackBuffer;
int stride = m_sliceBmpXY.BackBufferStride / 4;
Parallel.For(0, h, y =>
{
for (int x = 0; x < w; ++x)
{
int z = terrain.GetSurfaceLevel(x, y);
TileData td;
while (true)
{
var p = new IntVector3(x, y, z);
td = terrain.GetTileData(p);
if (td.IsEmptyNoWater)
{
z--;
continue;
}
if (this.ShowWaterEnabled && td.WaterLevel > 0)
{
var wl = terrain.GetWaterLevel(p + Direction.Up);
if (wl > 0)
{
z++;
continue;
}
}
break;
}
int m = MyMath.Round(MyMath.LinearInterpolation(min, max, 100, 255, z));
var cv = GetTileColor(td);
int r = cv.X;
int g = cv.Y;
int b = cv.Z;
r = r * m / 255;
g = g * m / 255;
b = b * m / 255;
var ptr = pBackBuffer + y * stride + x;
*ptr = (uint)((r << 16) | (g << 8) | (b << 0));
}
});
}
m_sliceBmpXY.AddDirtyRect(new Int32Rect(0, 0, m_sliceBmpXY.PixelWidth, m_sliceBmpXY.PixelHeight));
m_sliceBmpXY.Unlock();
}
