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Implement cyclic animation reset opcode

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This commit is contained in:
gamer147
2026-07-29 10:52:21 -04:00
parent 2777da435b
commit 4af0290bbb
7 changed files with 128 additions and 5 deletions
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31
engine/Age.Engine/Model/GfxState.cs
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@@ -1097,6 +1097,37 @@ public sealed class GfxState
}
}
/// <summary>Op 0x230: stop every cyclic object channel without changing its base/current state,
/// one-shot channels, or retained cyclic targets. Native clears flag bit 2 and the five start/period
/// pairs at obj+0x20c..0x230, including one secondary matrix channel not otherwise modeled here.</summary>
public void ResetCyclicAnimationChannels(long handle)
{
lock (_lock)
{
var o = GetOrCreate(handle);
o.ColorStart = -1;
o.ScaleCycleStartMs = -1;
o.RotationStartMs = -1;
o.SrcStart = -1;
o.ColorPeriod = 0;
o.ScaleCyclePeriodMs = 0;
o.RotationPeriodMs = 0;
o.SrcPeriod = 0;
o.ColorAnim = false;
o.ScaleCycleEnabled = false;
o.RotationEnabled = false;
o.SrcAnim = false;
// Preserve drop-in numbered-save compatibility for the unmodeled secondary cyclic matrix
// as well as the modeled channels. The ten native timing dwords form one contiguous range.
if (o.NativePersistenceRecord is { Length: >= 0x234 } raw)
{
raw[0] &= 0xfb;
System.Array.Clear(raw, 0x20c, 0x28);
}
}
}
/// <summary>Op 0x238: set its separate global animation-service duration and reset marker.</summary>
public void SetAnimClock(long durationTicks)
{