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package bloodasp.galacticgreg.generators;
import bloodasp.galacticgreg.api.Enums.SpaceObjectType;
import bloodasp.galacticgreg.api.Enums.TargetBlockPosition;
import bloodasp.galacticgreg.api.ISpaceObjectGenerator;
import bloodasp.galacticgreg.api.StructureInformation;
import net.minecraft.util.MathHelper;
import net.minecraft.util.Vec3;
import java.util.ArrayList;
import java.util.List;
import java.util.Random;
/**
* Simple ellipsoid-generator. Based on the formular created by Chrysator.
* Thanks for the help!
*
* Generates a simple ellipsoid with dynamic rotation, random size-values, random noise for the surface, etc.
* Can probably be tweaked even more, but works for now...
*/
public class GenEllipsoid implements ISpaceObjectGenerator {
private Vec3 _mEllipsoidCenter;
private Random _mRandom;
private List<StructureInformation> _mStructure;
private double _mCoreDensity = 0.7D;
private double _mSineFactor = 0.05D;
private float _mRandomInfluence;
private float _mRandomAngleX;
private float _mRandomAngleY;
private float _mRandomAngleZ;
private int _mSizeA;
private int _mSizeB;
private int _mSizeC;
public GenEllipsoid()
{
reset();
}
@Override
public SpaceObjectType getType() {
return SpaceObjectType.OreAsteroid;
}
@Override
public void randomize(int pSizeMin, int pSizeMax)
{
_mRandom = new Random(System.currentTimeMillis());
_mRandomAngleX = (float) (_mRandom.nextFloat() * Math.PI);
_mRandomAngleY = (float) (_mRandom.nextFloat() * Math.PI);
_mRandomAngleZ = (float) (_mRandom.nextFloat() * Math.PI);
_mRandomInfluence = _mRandom.nextFloat();
_mSizeA = pSizeMin + _mRandom.nextInt(pSizeMax - pSizeMin) + 10;
_mSizeB = pSizeMin + _mRandom.nextInt(pSizeMax - pSizeMin) + 10;
_mSizeC = pSizeMin + _mRandom.nextInt(pSizeMax - pSizeMin) + 10;
}
@Override
public void setCenterPoint(int pX, int pY, int pZ) {
_mEllipsoidCenter = Vec3.createVectorHelper(pX, pY, pZ);
}
@Override
public void setCenterPoint(Vec3 pCenter)
{
_mEllipsoidCenter = pCenter;
}
@Override
public Vec3 getCenterPoint()
{
return _mEllipsoidCenter;
}
@Override
public List<StructureInformation> getStructure() {
return _mStructure;
}
@Override
public void calculate()
{
int Xmin = (int) (_mEllipsoidCenter.xCoord - _mSizeA);
int Xmax = (int) (_mEllipsoidCenter.xCoord + _mSizeA);
int Ymin = (int) (_mEllipsoidCenter.yCoord - _mSizeB);
int Ymax = (int) (_mEllipsoidCenter.yCoord + _mSizeB);
int Zmin = (int) (_mEllipsoidCenter.zCoord - _mSizeC);
int Zmax = (int) (_mEllipsoidCenter.zCoord + _mSizeC);
for (int iX = Xmin; iX <= Xmax; iX++) {
for (int iY = Ymin; iY <= Ymax; iY++) {
for (int iZ = Zmin; iZ <= Zmax; iZ++)
{
double tmpX = Math.pow(_mEllipsoidCenter.xCoord - iX, 2) / Math.pow(_mSizeA, 2);
double tmpY = Math.pow(_mEllipsoidCenter.yCoord - iY, 2) / Math.pow(_mSizeB, 2);
double tmpZ = Math.pow(_mEllipsoidCenter.zCoord - iZ, 2) / Math.pow(_mSizeC, 2);
double val = (tmpX + tmpY + tmpZ);
Vec3 tPoint = Vec3.createVectorHelper(iX, iY, iZ);
tPoint.rotateAroundX(_mRandomAngleX);
tPoint.rotateAroundY(_mRandomAngleY);
tPoint.rotateAroundZ(_mRandomAngleZ);
TargetBlockPosition tbp = TargetBlockPosition.Invalid;
if (val <= 0.01D)
tbp = TargetBlockPosition.AsteroidInnerCore;
else if (val > 0.01D && val < _mCoreDensity)
tbp = TargetBlockPosition.AsteroidCore;
else if (val >= _mCoreDensity && val <= (1.0D - (_mSineFactor * MathHelper.sin((iZ + iX + iY - _mRandom.nextFloat() * _mRandomInfluence)))))
tbp = TargetBlockPosition.AsteroidShell;
if (tbp != TargetBlockPosition.Invalid)
_mStructure.add(new StructureInformation(Vec3.createVectorHelper(iX, iY, iZ), tbp));
}
}
}
}
@Override
public void reset() {
_mStructure = new ArrayList<>();
_mEllipsoidCenter = Vec3.createVectorHelper(0, 0, 0);
}
}
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