public bool CopyAndTile(byte[] data, uint texSize, TerrainTex terrainTex)
{
var baseTexture = terrainTex.BaseTexture;
if (baseTexture != null)
{
ImgTex.CopyCSI(data, texSize, texSize, baseTexture, terrainTex.TexTiling);
return(true);
}
if (terrainTex.TexGID != 0) // stru_841760
{
var qdid = new QualifiedDataID(11, terrainTex.TexGID);
var surfaceTexture = DBObj.GetSurfaceTexture(terrainTex.TexGID);
terrainTex.BaseTexture = new ImgTex(surfaceTexture);
}
baseTexture = terrainTex.BaseTexture;
if (baseTexture != null)
{
ImgTex.CopyCSI(data, texSize, texSize, baseTexture, terrainTex.TexTiling);
return(true);
}
else
{
ImgTex.CopyCSI(data, texSize, texSize, null, 1);
return(false);
}
}
public TerrainAlphaMap FindTerrainAlpha(uint pcode, uint tcode, out LandDefs.Rotation rot, out int alphaIdx)
{
List <TerrainAlphaMap> terrainMaps = null;
var baseIdx = 0;
// corner tcodes - sw / se / ne / nw
if (tcode != 1 && tcode != 2 && tcode != 4 && tcode != 8)
{
baseIdx = 4;
terrainMaps = SideTerrainMaps; // common tcode: 9
}
else
{
terrainMaps = CornerTerrainMaps; // common tcode: 8
}
var numTerrains = terrainMaps.Count;
var prng = (int)Math.Floor((1379576222 * pcode - 1372186442) * 2.3283064e-10 * numTerrains);
if (prng >= numTerrains)
{
prng = 0;
}
var alpha = terrainMaps[prng];
alphaIdx = baseIdx + prng;
rot = LandDefs.Rotation.Rot0;
var i = 0;
var alphaCode = alpha.TCode;
while (alphaCode != tcode)
{
// corners: 8 -> 1 -> 2 -> 4
// sides: 9 -> 3 -> 6 -> 12
// west / south / east / north?
alphaCode *= 2;
if (alphaCode >= 16)
{
alphaCode -= 15;
}
if (++i >= 4)
{
return(null);
}
}
rot = (LandDefs.Rotation)i;
if (alpha.Texture == null && alpha.TexGID != 0)
{
var qdid = new QualifiedDataID(11, alpha.TexGID);
alpha.Texture = new ImgTex(DBObj.GetSurfaceTexture(alpha.TexGID));
}
return(alpha);
}
public RoadAlphaMap FindRoadAlpha(uint pcode, uint rcode, out LandDefs.Rotation rot, out int alphaIdx)
{
rot = LandDefs.Rotation.Rot0;
alphaIdx = -1;
var numRoadMaps = RoadMaps.Count;
if (numRoadMaps == 0)
{
return(null);
}
var prng = (int)Math.Floor((1379576222 * pcode - 1372186442) * 2.3283064e-10 * numRoadMaps);
for (var i = 0; i < numRoadMaps; i++)
{
var idx = (i + prng) % numRoadMaps;
var alpha = RoadMaps[idx];
rot = LandDefs.Rotation.Rot0;
var alphaCode = alpha.RCode;
alphaIdx = 5 + idx;
for (var j = 0; j < 4; j++)
{
if (alphaCode == rcode)
{
rot = (LandDefs.Rotation)j;
if (alpha.Texture == null && alpha.RoadTexGID != 0)
{
alpha.Texture = new ImgTex(DBObj.GetSurfaceTexture(alpha.RoadTexGID));
}
return(alpha);
}
alphaCode *= 2;
if (alphaCode >= 16)
{
alphaCode -= 15;
}
}
}
alphaIdx = -1;
return(null);
}