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Implement cyclic scale opcode

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This commit is contained in:
gamer147
2026-07-29 00:06:56 -04:00
parent f2f0cac936
commit bcfb3848bc
12 changed files with 179 additions and 22 deletions
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51
engine/Age.Engine/Model/GfxState.cs
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@@ -14,6 +14,9 @@ public readonly record struct RotationCycleState(bool Enabled, long PeriodMs,
double AxisX, double AxisY, double AxisZ,
double AngleDegrees = 0);
public readonly record struct ScaleCycleState(bool Enabled, long PeriodMs,
double ScaleX, double ScaleY, double ScaleZ);
[System.Flags]
public enum GfxPresentationReason
{
@@ -82,7 +85,8 @@ public readonly record struct RenderObject(long Handle, long SurfaceResId, long
SurfaceTransitionState? SurfaceTransition = null,
ColorTransitionState? ColorTransition = null,
Affine2D? RangeTransform = null,
bool TimeVarying = false);
bool TimeVarying = false,
ScaleCycleState ScaleCycle = default);
/// <summary>The retained handle interval selected by an op-0x222 backbuffer publication.</summary>
public readonly record struct GfxHandleRange(long First, long Count)
@@ -172,6 +176,12 @@ public sealed class GfxState
public (long X, long Y, long Z) RotationAxis;
public bool RotationEnabled;
public long RotationStartMs = -1;
// Op 0x233 is a separate cyclic scale channel (period obj+0x224, target matrix obj+0x250).
public long ScaleCyclePeriodMs;
public (double X, double Y, double Z) ScaleCycleTarget = (1, 1, 1);
public bool ScaleCycleEnabled;
public long ScaleCycleStartMs = -1;
}
// ---- geometry/draw object store (V18/V24/draw bind, the compositor's input) ----
@@ -487,6 +497,8 @@ public sealed class GfxState
OneShotStartMs = s.OneShotStartMs,
RotationPeriodMs = s.RotationPeriodMs, RotationAxis = s.RotationAxis,
RotationEnabled = s.RotationEnabled, RotationStartMs = s.RotationStartMs,
ScaleCyclePeriodMs = s.ScaleCyclePeriodMs, ScaleCycleTarget = s.ScaleCycleTarget,
ScaleCycleEnabled = s.ScaleCycleEnabled, ScaleCycleStartMs = s.ScaleCycleStartMs,
};
private readonly object _lock = new();
@@ -851,6 +863,7 @@ public sealed class GfxState
o.TranslationEnabled ||
(o.SrcAnim && o.SrcPeriod > 0) ||
(o.ColorAnim && o.ColorPeriod > 0) ||
(o.ScaleCycleEnabled && o.ScaleCyclePeriodMs > 0) ||
(o.RotationEnabled && o.RotationPeriodMs > 0)));
}
@@ -1071,6 +1084,19 @@ public sealed class GfxState
}
}
/// <summary>Op 0x233: cyclic identity-to-target scale, sampled with a triangular ping-pong phase.</summary>
public void SetScaleCycle(long handle, long periodMs, (long X, long Y, long Z) percent)
{
lock (_lock)
{
var o = GetOrCreate(handle);
o.ScaleCyclePeriodMs = periodMs;
o.ScaleCycleTarget = (percent.X / 100.0, percent.Y / 100.0, percent.Z / 100.0);
o.ScaleCycleEnabled = periodMs > 0;
o.ScaleCycleStartMs = -1;
}
}
/// <summary>Op 0x238: set its separate global animation-service duration and reset marker.</summary>
public void SetAnimClock(long durationTicks)
{
@@ -1138,6 +1164,7 @@ public sealed class GfxState
(o.OneShotColorEnabled || o.ScaleEnabled || o.RotationChannelEnabled ||
o.TranslationEnabled ||
(o.ColorAnim && o.ColorPeriod > 0) ||
(o.ScaleCycleEnabled && o.ScaleCyclePeriodMs > 0) ||
(o.RotationEnabled && o.RotationPeriodMs > 0))))
reasons |= GfxPresentationReason.ContinuousChannel;
@@ -1328,6 +1355,15 @@ public sealed class GfxState
}
double cycleAngle = 0;
double cycleScaleX = 1, cycleScaleY = 1, cycleScaleZ = 1;
if (o.ScaleCycleEnabled && o.ScaleCyclePeriodMs > 0)
{
if (o.ScaleCycleStartMs < 0) o.ScaleCycleStartMs = nowMs;
double weight = ScaleCycleWeight(nowMs, o.ScaleCycleStartMs, o.ScaleCyclePeriodMs);
cycleScaleX += (o.ScaleCycleTarget.X - 1) * weight;
cycleScaleY += (o.ScaleCycleTarget.Y - 1) * weight;
cycleScaleZ += (o.ScaleCycleTarget.Z - 1) * weight;
}
if (o.RotationEnabled && o.RotationPeriodMs > 0)
{
if (o.RotationStartMs < 0) o.RotationStartMs = nowMs;
@@ -1345,6 +1381,7 @@ public sealed class GfxState
o.TranslationEnabled ||
(o.SrcAnim && o.SrcPeriod > 0) ||
(o.ColorAnim && o.ColorPeriod > 0) ||
(o.ScaleCycleEnabled && o.ScaleCyclePeriodMs > 0) ||
(o.RotationEnabled && o.RotationPeriodMs > 0) ||
transition is { Progress: < 1.0 } ||
(objectRangeTransform != null && rangeTimeVarying);
@@ -1358,7 +1395,9 @@ public sealed class GfxState
o.RotationAxis.X, o.RotationAxis.Y,
o.RotationAxis.Z, cycleAngle),
alpha, tint, strength, blend, multiplyTint, transition,
colorTransition, objectRangeTransform, timeVarying));
colorTransition, objectRangeTransform, timeVarying,
new ScaleCycleState(o.ScaleCycleEnabled, o.ScaleCyclePeriodMs,
cycleScaleX, cycleScaleY, cycleScaleZ)));
}
}
}
@@ -1458,6 +1497,14 @@ public sealed class GfxState
return (double)BlendMath.PingPong(now, start, period) / half;
}
private static double ScaleCycleWeight(long now, long start, long period)
{
if (period <= 0) return 0;
long elapsed = System.Math.Max(0, now - start);
long position = elapsed % period;
return 2.0 * System.Math.Min(position, period - position) / period;
}
/// <summary>Pack (alpha, rgb) → 0xAARRGGBB, matching op 0x202/0x203's handler bit-manipulation for the
/// common (non-negative-sentinel) case. The alpha&lt;0 / color&lt;0 native-fetch path is deferred.</summary>
public static long PackColor(long alpha, long color)