package com.flansmod.client.tmt;
import java.util.ArrayList;
import net.minecraft.util.Vec3;
public class PositionTransformVertex extends PositionTextureVertex
{
public PositionTransformVertex(float x, float y, float z, float u, float v)
{
this(Vec3.createVectorHelper(x, y, z), u, v);
}
public PositionTransformVertex(PositionTextureVertex vertex, float u, float v)
{
super(vertex, u, v);
if(vertex instanceof PositionTransformVertex)
neutralVector = ((PositionTransformVertex)vertex).neutralVector;
else
neutralVector = Vec3.createVectorHelper(vertex.vector3D.xCoord, vertex.vector3D.yCoord, vertex.vector3D.zCoord);
}
public PositionTransformVertex(PositionTextureVertex vertex)
{
this(vertex, vertex.texturePositionX, vertex.texturePositionY);
}
public PositionTransformVertex(Vec3 vector, float u, float v)
{
super(vector, u, v);
neutralVector = Vec3.createVectorHelper(vector.xCoord, vector.yCoord, vector.zCoord);
}
public void setTransformation()
{
if(transformGroups.size() == 0)
{
vector3D.xCoord = neutralVector.xCoord;
vector3D.yCoord = neutralVector.yCoord;
vector3D.zCoord = neutralVector.zCoord;
return;
}
double weight = 0D;
for(int i = 0; i < transformGroups.size(); i++)
{
weight += transformGroups.get(i).getWeight();
}
vector3D.xCoord = 0;
vector3D.yCoord = 0;
vector3D.zCoord = 0;
for(int i = 0; i < transformGroups.size(); i++)
{
TransformGroup group = transformGroups.get(i);
double cWeight = group.getWeight() / weight;
Vec3 vector = group.doTransformation(this);
vector3D.xCoord += cWeight * vector.xCoord;
vector3D.yCoord += cWeight * vector.yCoord;
vector3D.zCoord += cWeight * vector.zCoord;
}
}
public void addGroup(TransformGroup group)
{
transformGroups.add(group);
}
public void removeGroup(TransformGroup group)
{
transformGroups.remove(group);
}
public Vec3 neutralVector;
public ArrayList<TransformGroup> transformGroups = new ArrayList<TransformGroup>();
}