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feat(movement): wire server RunRate into player MotionInterpreter

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Parse ForwardSpeed from UpdateMotion (0xF74C) InterpretedMotionState.
Feed server-echoed RunRate into the player's MotionInterpreter so
get_state_velocity produces the correct speed. Previously hardcoded
at 1.0 (4.0 m/s), now matches character's Run skill.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Erik 2026-04-13 23:11:49 +02:00
parent 4988ea02c0
commit c7fa1d36fb
5 changed files with 71 additions and 7 deletions
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15
src/AcDream.Core.Net/Messages/UpdateMotion.cs
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@ -102,6 +102,7 @@ public static class UpdateMotion
pos += 2;
ushort? forwardCommand = null;
float? forwardSpeed = null;
if (movementType == 0)
{
@ -130,9 +131,21 @@ public static class UpdateMotion
forwardCommand = BinaryPrimitives.ReadUInt16LittleEndian(body.Slice(pos));
pos += 2;
}
// SidestepCommand (0x4) — skip
if ((flags & 0x4u) != 0) { if (body.Length - pos < 2) goto done; pos += 2; }
// TurnCommand (0x8) — skip
if ((flags & 0x8u) != 0) { if (body.Length - pos < 2) goto done; pos += 2; }
// ForwardSpeed (0x10)
if ((flags & 0x10u) != 0)
{
if (body.Length - pos < 4) goto done;
forwardSpeed = BinaryPrimitives.ReadSingleLittleEndian(body.Slice(pos));
pos += 4;
}
done:;
}
return new Parsed(guid, new CreateObject.ServerMotionState(currentStyle, forwardCommand));
return new Parsed(guid, new CreateObject.ServerMotionState(currentStyle, forwardCommand, forwardSpeed));
}
catch
{