Skip to content

Write baked frames and real planes to TEN level #1095

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
Sezzary wants to merge 5 commits into
base: develop
Choose a base branch
from
Open

Write baked frames and real planes to TEN level #1095

Changes from all commits
Commits
Show all changes
5 commits
Select commit Hold shift + click to select a range
7f74a97
Write baked frames and real planes to TEN level
Sezzary Dec 14, 2025
5eaab58
Merge branch 'develop' into sezz/write-baked-frames
Sezzary Dec 15, 2025
e03e66a
Revert "Write baked frames and real planes to TEN level"
Sezzary Dec 15, 2025
fd80fb5
Only write baked frames
Sezzary Dec 15, 2025
6dabf84
Update Structs.cs
Sezzary Dec 15, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
80 changes: 65 additions & 15 deletions TombLib/TombLib/LevelData/Compilers/TombEngine/Structs.cs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -631,7 +631,6 @@ public void Write(BinaryWriterEx writer)
foreach (var animation in Animations)
{
writer.Write(animation.StateID);
writer.Write(animation.Interpolation);
writer.Write(animation.FrameEnd);
writer.Write(animation.NextAnimation);
writer.Write(animation.NextFrame);
Expand Down Expand Up @@ -665,6 +664,7 @@ public void Write(BinaryWriterEx writer)
writer.Write(fixedMotionCurveZ.StartHandle);
writer.Write(fixedMotionCurveZ.EndHandle);

// Write dummy frame if no key frames exist.
if (animation.KeyFrames.Count == 0)
{
var defaultKeyFrame = new TombEngineKeyFrame();
Expand All @@ -673,12 +673,49 @@ public void Write(BinaryWriterEx writer)
writer.Write(1);
defaultKeyFrame.Write(writer);
}
// Write baked frames.
else
{
writer.Write(animation.KeyFrames.Count);
foreach (var keyFrame in animation.KeyFrames)
// Write key frame.
writer.Write(animation.KeyFrames.Count * animation.Interpolation);

float alphaStep = 1.0f / (float)animation.Interpolation;
for (int i = 0; i < animation.KeyFrames.Count; i++)
{
keyFrame.Write(writer);
var currentKeyframe = animation.KeyFrames[i];
currentKeyframe.Write(writer);

if (i == (animation.KeyFrames.Count - 1))
break;

var nextKeyframe = animation.KeyFrames[i + 1];

// Write interpolated frames.
for (int j = 1; j < animation.Interpolation; j++)
{
float alpha = alphaStep * j;

var center = Vector3.Lerp(currentKeyframe.BoundingBox.Center, nextKeyframe.BoundingBox.Center, alpha);
var extents = Vector3.Lerp(currentKeyframe.BoundingBox.Extents, nextKeyframe.BoundingBox.Extents, alpha);

var rootPos = Vector3.Lerp(currentKeyframe.RootOffset, nextKeyframe.RootOffset, alpha);

var boneOrients = new List<Quaternion>(currentKeyframe.BoneOrientations.Count);
for (int k = 0; k < boneOrients.Count; k++)
boneOrients[k] = Quaternion.Slerp(currentKeyframe.BoneOrientations[k], nextKeyframe.BoneOrientations[k], alpha);

var frame = new TombEngineKeyFrame();
frame.BoundingBox = new TombEngineBoundingBox();
frame.BoundingBox.X1 = (short)(center.X - extents.X);
frame.BoundingBox.X2 = (short)(center.X + extents.X);
frame.BoundingBox.Y1 = (short)(center.Y - extents.Y);
frame.BoundingBox.Y2 = (short)(center.Y + extents.Y);
frame.BoundingBox.Z1 = (short)(center.Z + extents.Z);
frame.BoundingBox.Z2 = (short)(center.Z - extents.Z);
frame.RootOffset = rootPos;
frame.BoneOrientations = boneOrients;
frame.Write(writer);
}
}
}

Expand Down Expand Up @@ -757,17 +794,8 @@ public class TombEngineKeyFrame

public void Write(BinaryWriterEx writer)
{
var center = new Vector3(
BoundingBox.X1 + BoundingBox.X2,
BoundingBox.Y1 + BoundingBox.Y2,
BoundingBox.Z1 + BoundingBox.Z2) / 2;
var extents = new Vector3(
BoundingBox.X2 - BoundingBox.X1,
BoundingBox.Y2 - BoundingBox.Y1,
BoundingBox.Z2 - BoundingBox.Z1) / 2;

writer.Write(center);
writer.Write(extents);
writer.Write(BoundingBox.Center);
writer.Write(BoundingBox.Extents);
writer.Write(RootOffset);

writer.Write(BoneOrientations.Count);
Expand All @@ -784,6 +812,28 @@ public struct TombEngineBoundingBox
public short Y2;
public short Z1;
public short Z2;

public Vector3 Center
{
get
{
return new Vector3(
X1 + X2,
Y1 + Y2,
Z1 + Z2) / 2;
}
}

public Vector3 Extents
{
get
{
return new Vector3(
X1 - X2,
Y1 - Y2,
Z1 - Z2) / 2;
}
}
}

[StructLayout(LayoutKind.Sequential, Pack = 1)]
Expand Down