public Vector3f(Vector3f other)
{
x = other.x;
y = other.y;
h = other.h;
}
static int DistanceToBlock( Map map, Vector3f coord, Vector3f vec, Block blockType, bool invert ) {
coord += .5f;
int iterations = 0;
while( map.InBounds( new Vector3i( coord ) ) ) {
byte blockAtPos = map.GetBlockByte( new Vector3i( coord ) );
if( (blockAtPos == (byte)blockType && !invert) ||
(blockAtPos != (byte)blockType && invert) ) {
break;
} else {
coord += vec;
iterations++;
}
}
return iterations;
}
public Vector3i(Vector3f other)
{
x = (int)other.x;
z = (int)other.y;
y = (int)other.h;
}
void MakeRoots( RootBase[] rootbases ) {
if( rootbases.Length == 0 ) return;
foreach( Vector3i coord in FoliageCoords ) {
float dist = (float)Math.Sqrt( Sqr( coord[0] - Pos[0] ) + Sqr( coord[2] - Pos[2] ) );
float ydist = coord[1] - Pos[1];
float value = (BranchDensity * 220 * Height) / Cub( ydist + dist );
if( value < Args.Rand.NextDouble() ) continue;
RootBase rootbase = rootbases[Args.Rand.Next( 0, rootbases.Length )];
int rootx = rootbase.X;
int rootz = rootbase.Z;
float rootbaseradius = rootbase.Radius;
float rndr = (float)(Math.Sqrt( Args.Rand.NextDouble() ) * rootbaseradius * .618);
float rndang = (float)(Args.Rand.NextDouble() * 2 * Math.PI);
int rndx = (int)(rndr * Math.Sin( rndang ) + .5);
int rndz = (int)(rndr * Math.Cos( rndang ) + .5);
int rndy = (int)(Args.Rand.NextDouble() * rootbaseradius * .5);
Vector3i startcoord = new Vector3i {
X = rootx + rndx,
Z = rootz + rndz,
Y = Pos[1] + rndy
};
Vector3f offset = new Vector3f( startcoord - coord );
if( Args.Shape == TreeShape.Mangrove ) {
offset = offset * 1.618f - 1.5f;
}
Vector3i endcoord = startcoord + new Vector3i( offset );
float rootstartsize = (float)(rootbaseradius * .618 * Math.Abs( offset[1] ) / (Height * .618));
if( rootstartsize < 1 ) rootstartsize = 1;
const float endsize = 1;
if( Args.Roots == RootMode.ToStone ||
Args.Roots == RootMode.Hanging ) {
float offlength = offset.Length;
if( offlength < 1 ) continue;
float rootmid = endsize;
Vector3f vec = offset / offlength;
Block searchIndex = Block.Air;
if( Args.Roots == RootMode.ToStone ) {
searchIndex = Block.Stone;
} else if( Args.Roots == RootMode.Hanging ) {
searchIndex = Block.Air;
}
int startdist = (int)(Args.Rand.NextDouble() * 6 * Math.Sqrt( rootstartsize ) + 2.8);
Vector3i searchstart = new Vector3i( startcoord + vec * startdist );
dist = startdist + DistanceToBlock( Args.InMap, new Vector3f( searchstart ), vec, searchIndex );
if( dist < offlength ) {
rootmid += (rootstartsize - endsize) * (1 - dist / offlength);
endcoord = new Vector3i( startcoord + vec * dist );
if( Args.Roots == RootMode.Hanging ) {
float remainingDist = offlength - dist;
Vector3i bottomcord = endcoord;
bottomcord[1] -= (int)remainingDist;
TaperedLimb( endcoord, bottomcord, rootmid, endsize );
}
}
TaperedLimb( startcoord, endcoord, rootstartsize, rootmid );
} else {
TaperedLimb( startcoord, endcoord, rootstartsize, endsize );
}
}
}
static int DistanceToBlock( Map map, Vector3f coord, Vector3f vec, Block blockType ) {
return DistanceToBlock( map, coord, vec, blockType, false );
}
public static int DistanceToBlock(IMapStorage map, Vector3f coord, Vector3f vec, int blockType, bool invert)
{
coord += .5f;
int iterations = 0;
while (MapUtil.IsValidPos(map, (int)coord.x, (int)coord.y, (int)coord.h))
{
byte blockAtPos = (byte)map.GetBlock((int)coord.x, (int)coord.y, (int)coord.h);
if ((blockAtPos == (byte)blockType && !invert) ||
(blockAtPos != (byte)blockType && invert))
{
break;
}
else
{
coord += vec;
iterations++;
}
}
return iterations;
}
void MakeRoots(RootBase[] rootbases)
{
foreach (Vector3i coord in foliageCoords)
{
float dist = (float)Math.Sqrt(Sqr(coord[0] - pos[0]) + Sqr(coord[2] - pos[2]));
float ydist = coord[1] - pos[1];
float value = (branchDensity * 220 * height) / Cub(ydist + dist);
if (value < args.rand.NextDouble()) continue;
RootBase rootbase = rootbases[args.rand.Next(0, rootbases.Length)];
int rootx = rootbase.x;
int rootz = rootbase.z;
float rootbaseradius = rootbase.radius;
float rndr = (float)(Math.Sqrt(args.rand.NextDouble()) * rootbaseradius * .618);
float rndang = (float)(args.rand.NextDouble() * 2 * Math.PI);
int rndx = (int)(rndr * Math.Sin(rndang) + .5);
int rndz = (int)(rndr * Math.Cos(rndang) + .5);
int rndy = (int)(args.rand.NextDouble() * rootbaseradius * .5);
Vector3i startcoord = new Vector3i
{
x = rootx + rndx,
z = rootz + rndz,
y = pos[1] + rndy
};
Vector3f offset = new Vector3f(startcoord - coord);
if (args.SHAPE == TreeShape.Mangrove)
{
offset = offset * 1.618f - 1.5f;
}
Vector3i endcoord = startcoord + new Vector3i(offset);
float rootstartsize = (float)(rootbaseradius * .618 * Math.Abs(offset[1]) / (height * .618));
if (rootstartsize < 1) rootstartsize = 1;
float endsize = 1;
if (args.ROOTS == RootMode.ToStone ||
args.ROOTS == RootMode.Hanging)
{
float offlength = offset.GetLength();
if (offlength < 1) continue;
float rootmid = endsize;
Vector3f vec = offset / offlength;
int searchIndex = TILETYPE_AIR;
if (args.ROOTS == RootMode.ToStone)
{
searchIndex = TILETYPE_STONE;
}
else if (args.ROOTS == RootMode.Hanging)
{
searchIndex = TILETYPE_AIR;
}
int startdist = (int)(args.rand.NextDouble() * 6 * Math.Sqrt(rootstartsize) + 2.8);
Vector3i searchstart = new Vector3i(startcoord + vec * startdist);
dist = startdist + DistanceToBlock(args.inMap, new Vector3f(searchstart), vec, searchIndex);
if (dist < offlength)
{
rootmid += (rootstartsize - endsize) * (1 - dist / offlength);
endcoord = new Vector3i(startcoord + vec * dist);
if (args.ROOTS == RootMode.Hanging)
{
float remaining_dist = offlength - dist;
Vector3i bottomcord = endcoord;
bottomcord[1] -= (int)remaining_dist;
TaperedLimb(endcoord, bottomcord, rootmid, endsize);
}
}
TaperedLimb(startcoord, endcoord, rootstartsize, rootmid);
}
else
{
TaperedLimb(startcoord, endcoord, rootstartsize, endsize);
}
}
}
public static int DistanceToBlock(IMapStorage map, Vector3f coord, Vector3f vec, int blockType)
{
return DistanceToBlock(map, coord, vec, blockType, false);
}
public Vector3i(Vector3f other)
{
X = (int)other.X;
Z = (int)other.Y;
Y = (int)other.Z;
}
public int CompareTo(Vector3f other)
{
return(Math.Sign(LengthSquared - other.LengthSquared));
}