/* MAP: build: map to Texture2D */
public Texture2D getPartialMap()
{
SCANdata data = SCANcontroller.controller.getData(body);
Color[] pix;
if (map == null)
{
map = new Texture2D(mapwidth, mapheight, TextureFormat.ARGB32, false);
pix = map.GetPixels();
for (int i = 0; i < pix.Length; ++i)
{
pix [i] = Color.clear;
}
map.SetPixels(pix);
}
else if (mapstep >= map.height)
{
return(map);
}
if (redline == null || redline.Length != map.width)
{
redline = new Color[map.width];
for (int i = 0; i < redline.Length; ++i)
{
redline [i] = Color.red;
}
}
if (mapstep < map.height - 1)
{
map.SetPixels(0, mapstep + 1, map.width, 1, redline);
}
if (mapstep <= 0)
{
mapstep = 0;
mapline = new double[map.width];
}
pix = map.GetPixels(0, mapstep, map.width, 1);
for (int i = 0; i < map.width; i++)
{
int scheme = 0;
double lat = (mapstep * 1.0f / mapscale) - 90f + lat_offset;
double lon = (i * 1.0f / mapscale) - 180f + lon_offset;
double la = lat, lo = lon;
lat = unprojectLatitude(lo, la);
lon = unprojectLongitude(lo, la);
pix [i] = Color.grey;
if (double.IsNaN(lat) || double.IsNaN(lon) || lat < -90 || lat > 90 || lon < -180 || lon > 180)
{
pix [i] = Color.clear;
continue;
}
if (mapmode == 0)
{
if (!data.isCovered(lon, lat, SCANdata.SCANtype.Altimetry))
{
continue;
}
if (body.pqsController == null)
{
pix [i] = Color.Lerp(Color.black, Color.white, UnityEngine.Random.value);
//big_heightmap[i, mapstep, SCANcontroller.controller.projection] = 0;
continue;
}
float val = 0f;
if (mapType == 0)
{
val = big_heightmap[i, mapstep, SCANcontroller.controller.projection];
}
if (val == 0)
{
if (data.isCovered(lon, lat, SCANdata.SCANtype.AltimetryHiRes))
{
// high resolution gets a coloured pixel for the actual position
val = (float)data.getElevation(lon, lat);
pix[i] = heightToColor(val, scheme);
heightMapArray(val, mapstep, i, mapType);
}
else
{
// basic altimetry gets forced greyscale with lower resolution
val = (float)data.getElevation(((int)(lon * 5)) / 5, ((int)(lat * 5)) / 5);
pix[i] = heightToColor(val, 1);
heightMapArray(val, mapstep, i, mapType);
}
}
else if (val != 0)
{
if (data.isCovered(lon, lat, SCANdata.SCANtype.AltimetryHiRes))
{
pix[i] = heightToColor(val, scheme);
}
else
{
pix[i] = heightToColor(val, 1);
}
}
/* draw height lines - works, but mostly useless...
* int step = (int)(val / 1000);
* int step_h = step, step_v = step;
* if(i > 0) step_h = (int)(bigline[i - 1] / 1000);
* if(bigstep > 0) step_v = (int)(bigline[i] / 1000);
* if(step != step_h || step != step_v) {
* pix[i] = Color.white;
* }
*/
mapline [i] = val;
}
else if (mapmode == 1)
{
if (!data.isCovered(lon, lat, SCANdata.SCANtype.Altimetry))
{
continue;
}
if (body.pqsController == null)
{
pix [i] = Color.Lerp(Color.black, Color.white, UnityEngine.Random.value);
continue;
}
float val = 0f;
if (mapType == 0)
{
val = big_heightmap[i, mapstep, SCANcontroller.controller.projection];
}
if (val == 0)
{
if (data.isCovered(lon, lat, SCANdata.SCANtype.AltimetryHiRes))
{
val = (float)data.getElevation(lon, lat);
heightMapArray(val, mapstep, i, mapType);
}
else
{
val = (float)data.getElevation(((int)(lon * 5)) / 5, ((int)(lat * 5)) / 5);
heightMapArray(val, mapstep, i, mapType);
}
}
if (mapstep == 0)
{
pix [i] = Color.grey;
}
else
{
// This doesn't actually calculate the slope per se, but it's faster
// than asking for yet more elevation data. Please don't use this
// code to operate nuclear power plants or rockets.
double v1 = mapline [i];
if (i > 0)
{
v1 = Math.Max(v1, mapline [i - 1]);
}
if (i < mapline.Length - 1)
{
v1 = Math.Max(v1, mapline [i + 1]);
}
float v = Mathf.Clamp((float)Math.Abs(val - v1) / 1000f, 0, 2f);
if (SCANcontroller.controller.colours == 1)
{
pix [i] = Color.Lerp(Color.black, Color.white, v / 2f);
}
else
{
if (v < 1)
{
pix [i] = Color.Lerp(XKCDColors.PukeGreen, XKCDColors.Lemon, v);
}
else
{
pix [i] = Color.Lerp(XKCDColors.Lemon, XKCDColors.OrangeRed, v - 1);
}
}
}
mapline [i] = val;
}
else if (mapmode == 2)
{
if (!data.isCovered(lon, lat, SCANdata.SCANtype.Biome))
{
continue;
}
if (body.BiomeMap == null || body.BiomeMap.Map == null)
{
pix [i] = Color.Lerp(Color.black, Color.white, UnityEngine.Random.value);
continue;
}
/* // this just basically stretches the actual biome map to fit... it looks horrible
* float u = ((lon + 360 + 180 + 90)) % 360;
* float v = ((lat + 180 + 90)) % 180;
* if(u < 0 || v < 0 || u >= 360 || v >= 180) continue;
* u /= 360f; v /= 180f;
* pix[i] = body.BiomeMap.Map.GetPixelBilinear(u, v);
*/
double bio = data.getBiomeIndexFraction(lon, lat);
Color biome = Color.grey;
if (SCANcontroller.controller.colours == 1)
{
if ((i > 0 && mapline [i - 1] != bio) || (mapstep > 0 && mapline [i] != bio))
{
biome = Color.white;
}
else
{
biome = Color.Lerp(Color.black, Color.white, (float)bio);
}
}
else
{
Color elevation = Color.gray;
if (data.isCovered(lon, lat, SCANdata.SCANtype.Altimetry))
{
float val = 0f;
if (mapType == 0)
{
val = big_heightmap[i, mapstep, SCANcontroller.controller.projection];
}
if (val == 0)
{
if (data.isCovered(lon, lat, SCANdata.SCANtype.AltimetryHiRes))
{
val = (float)data.getElevation(lon, lat);
heightMapArray(val, mapstep, i, mapType);
}
else
{
val = (float)data.getElevation(((int)(lon * 5)) / 5, ((int)(lat * 5)) / 5);
heightMapArray(val, mapstep, i, mapType);
}
}
elevation = Color.Lerp(Color.black, Color.white, Mathf.Clamp(val + 1500f, 0, 9000) / 9000f);
}
Color bio1 = XKCDColors.CamoGreen;
Color bio2 = XKCDColors.Marigold;
if ((i > 0 && mapline [i - 1] != bio) || (mapstep > 0 && mapline [i] != bio))
{
//biome = Color.Lerp(XKCDColors.Puce, elevation, 0.5f);
biome = Color.white;
}
else
{
biome = Color.Lerp(Color.Lerp(bio1, bio2, (float)bio), elevation, 0.5f);
}
}
pix [i] = biome;
mapline [i] = bio;
}
}
map.SetPixels(0, mapstep, map.width, 1, pix);
mapstep++;
if (mapstep % 10 == 0 || mapstep >= map.height)
{
map.Apply();
}
return(map);
}
