private static void ReadAnimationSource(BinaryReader br, ModelData data, DataStructures.Models.Model model, int[] groupsize)
{
if (groupsize.Length == 0) return;
var animIndices = br.ReadShortArray(groupsize[0] * groupsize[1]);
// Just use the first animation for now
var srcAnim = data.SourceAnimations.FirstOrDefault(x => x.AnimID == animIndices[0]);
if (srcAnim == null) return;
var numframes = srcAnim.NumFrames;
var anim = new Animation();
// Add all the empty frames
for (var i = 0; i < numframes; i++) anim.Frames.Add(new AnimationFrame());
foreach (var bone in model.Bones)
{
var animBone = srcAnim.AnimationBones.FirstOrDefault(x => x.Bone == bone.BoneIndex);
for (var f = 0; f < numframes; f++)
{
var fpos = CoordinateF.Zero;
var fang = CoordinateF.Zero;
if (animBone != null)
{
if (animBone.FixedPosition != null) fpos = animBone.FixedPosition;
else if (animBone.FramePositions.Count > f) fpos = animBone.FramePositions[f];
if (animBone.FixedQuaternion == null) fang = animBone.FrameAngles[f];
}
fpos = fpos.ComponentMultiply(bone.DefaultPositionScale);// +bone.DefaultPosition;
var fangq = animBone != null && animBone.FixedQuaternion != null
? animBone.FixedQuaternion
: QuaternionF.EulerAngles(fang.ComponentMultiply(bone.DefaultAnglesScale));// + bone.DefaultAngles);
anim.Frames[f].Bones.Add(new BoneAnimationFrame(bone, fpos, fangq));
}
}
model.Animations.Add(anim);
}
private static void ReadAnimationGoldsource(BinaryReader br, DataStructures.Models.Model model, int numframes)
{
var anim = new Animation();
// Add all the empty frames
for (var i = 0; i < numframes; i++) anim.Frames.Add(new AnimationFrame());
// Now we have a reader with the position at the start of the animation data
// First up is the list of offset indexes for the data, one for each bone in the model.
// Bones are already loaded up, so loop through those.
foreach (var bone in model.Bones)
{
var offsetPos = br.BaseStream.Position;
var offsets = br.ReadShortArray(6);
var restorePoint = br.BaseStream.Position;
var position = bone.DefaultPosition;
var angles = bone.DefaultAngles;
var boneFrames = new List<float[]>();
for (var i = 0; i < numframes; i++) boneFrames.Add(new float[] {0, 0, 0, 0, 0, 0});
for (var i = 0; i < 6; i++) // For each offset [X, Y, Z, XR, YR, ZR]
{
if (offsets[i] <= 0) continue;
br.BaseStream.Position = offsetPos + offsets[i];
var values = ReadRLEEncodedAnimationFrameValues(br, numframes);
for (var f = 0; f < numframes; f++)
{
boneFrames[f][i] += values[f];
}
}
for (var f = 0; f < numframes; f++)
{
var frame = boneFrames[f];
var fpos = new CoordinateF(frame[0], frame[1], frame[2]).ComponentMultiply(bone.DefaultPositionScale) + bone.DefaultPosition;
var fang = new CoordinateF(frame[3], frame[4], frame[5]).ComponentMultiply(bone.DefaultAnglesScale) + bone.DefaultAngles;
anim.Frames[f].Bones.Add(new BoneAnimationFrame(bone, fpos, QuaternionF.EulerAngles(fang)));
}
br.BaseStream.Position = restorePoint;
}
model.Animations.Add(anim);
}