Roblox-File-Format/DataTypes/NumberSequence.cs
CloneTrooper1019 08c5032ca8 Generally working out the library's flow.
I've setup a system for supporting multiple implementations for Roblox's
file format. This will allow me to cover the binary format and xml
format under the same general-purpose object.

Haven't done much with the XML format yet, but I've been making some
adjustments to the binary format implementation so that its more evenly
branched out and doesn't retain more information than it needs to. I've
also fixed some issues with the data-types, and documented the Instance
object.
2019-01-29 03:50:55 -06:00

53 lines
1.7 KiB
C#

using System;
namespace Roblox.DataTypes
{
public struct NumberSequence
{
public readonly NumberSequenceKeypoint[] Keypoints;
public NumberSequence(float n)
{
NumberSequenceKeypoint a = new NumberSequenceKeypoint(0, n);
NumberSequenceKeypoint b = new NumberSequenceKeypoint(1, n);
Keypoints = new NumberSequenceKeypoint[2] { a, b };
}
public NumberSequence(float n0, float n1)
{
NumberSequenceKeypoint a = new NumberSequenceKeypoint(0, n0);
NumberSequenceKeypoint b = new NumberSequenceKeypoint(1, n1);
Keypoints = new NumberSequenceKeypoint[2] { a, b };
}
public NumberSequence(NumberSequenceKeypoint[] keypoints)
{
int numKeys = keypoints.Length;
if (numKeys < 2)
throw new Exception("NumberSequence: requires at least 2 keypoints");
else if (numKeys > 20)
throw new Exception("NumberSequence: table is too long.");
for (int key = 1; key < numKeys; key++)
if (keypoints[key - 1].Time > keypoints[key].Time)
throw new Exception("NumberSequence: all keypoints must be ordered by time");
if (Math.Abs(keypoints[0].Time) >= 10e-5f)
throw new Exception("NumberSequence must start at time=0.0");
if (Math.Abs(keypoints[numKeys - 1].Time - 1f) >= 10e-5f)
throw new Exception("NumberSequence must end at time=1.0");
Keypoints = keypoints;
}
public override string ToString()
{
return string.Join(" ", Keypoints);
}
}
}