#include "client/math/Matrix3DStack.h"
#include "client/math/StackOverflow.h"
#include "client/math/StackUnderflow.h"

Matrix3DStack::Matrix3DStack()
{
}

void Matrix3DStack::pop()
{
    if(index <= 0)
    {
        throw StackUnderflow();
    }
    index--;
}

void Matrix3DStack::push()
{
    if(index >= STACK_SIZE - 1)
    {
        throw StackOverflow();
    }
    index++;
    stack[index].set(stack[index - 1]);
}

Matrix3D& Matrix3DStack::get()
{
    return stack[index];
}