PlotLine() [1/3]

static bool Terraria.Utils.PlotLine ( int x0, int y0, int x1, int y1, TileActionAttempt plot, bool jump = true )

inlinestaticprivate

Definition at line 1576 of file Utils.cs.

    {
        if (x0 == x1 && y0 == y1)
        {
            return plot(x0, y0);
        }
        bool flag = Math.Abs(y1 - y0) > Math.Abs(x1 - x0);
        if (flag)
        {
            Swap(ref x0, ref y0);
            Swap(ref x1, ref y1);
        }
        int num = Math.Abs(x1 - x0);
        int num2 = Math.Abs(y1 - y0);
        int num3 = num / 2;
        int num4 = y0;
        int num5 = ((x0 < x1) ? 1 : (-1));
        int num6 = ((y0 < y1) ? 1 : (-1));
        for (int i = x0; i != x1; i += num5)
        {
            if (flag)
            {
                if (!plot(num4, i))
                {
                    return false;
                }
            }
            else if (!plot(i, num4))
            {
                return false;
            }
            num3 -= num2;
            if (num3 >= 0)
            {
                continue;
            }
            num4 += num6;
            if (!jump)
            {
                if (flag)
                {
                    if (!plot(num4, i))
                    {
                        return false;
                    }
                }
                else if (!plot(i, num4))
                {
                    return false;
                }
            }
            num3 += num;
        }
        return true;
    }

References System.Math.Abs(), and System.Text.RegularExpressions.i.