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Fix FIELD movement sprite ghosting

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This commit is contained in:
gamer147
2026-07-27 11:34:40 -04:00
parent 50a6bd5a40
commit 760e9663f4
5 changed files with 67 additions and 6 deletions
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20
engine/Age.Engine/Model/GfxState.cs
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@@ -127,6 +127,9 @@ public sealed class GfxState
// opacity + multiplicative modulation even after the target commits. This distinguishes ADV chrome
// fades from a static mode-0 0x203 such as a CG initialized with 0x00ffffff (opaque identity).
public bool OneShotColorBlend;
// FIELD applies static mode-0 alpha after binding a looping unit sprite to suppress the retained
// idle object while a separate clone moves between tiles. A later draw-texture rebind clears it.
public bool StaticLoopColorBlend;
// ---- src-rect / spritesheet-cell channel (ops 0x239 one-shot cell, 0x231 looping animation).
// Native obj+0x238 is the TOTAL FRAME COUNT and +0x23c is the COLUMN COUNT. Each frame keeps
@@ -483,7 +486,7 @@ public sealed class GfxState
Color = s.Color, HasColor = s.HasColor, StaticColorMode = s.StaticColorMode,
OneShotColorTarget = s.OneShotColorTarget, ColorDelayMs = s.ColorDelayMs,
ColorDurationMs = s.ColorDurationMs, OneShotColorEnabled = s.OneShotColorEnabled,
OneShotColorBlend = s.OneShotColorBlend,
OneShotColorBlend = s.OneShotColorBlend, StaticLoopColorBlend = s.StaticLoopColorBlend,
SrcFrameCount = s.SrcFrameCount, SrcColumns = s.SrcColumns, SrcCell = s.SrcCell,
SrcPeriod = s.SrcPeriod, SrcStart = s.SrcStart, SrcAnim = s.SrcAnim,
ColorPeriod = s.ColorPeriod, ColorStart = s.ColorStart, ColorTarget = s.ColorTarget,
@@ -630,7 +633,12 @@ public sealed class GfxState
public void SetStaticObjectColorResolved(long handle, long mode, long alpha, long rgb)
{
SetObjectColorResolved(handle, alpha, rgb);
lock (_lock) GetOrCreate(handle).StaticColorMode = mode;
lock (_lock)
{
var o = GetOrCreate(handle);
o.StaticColorMode = mode;
o.StaticLoopColorBlend = mode == 0 && o.Visible && o.SrcAnim;
}
}
/// <summary>Ops 0x239 (one-shot cell endpoint, period=0 in this retained model) / 0x231 (looping):
@@ -903,6 +911,7 @@ public sealed class GfxState
{
var o = GetOrCreate(handle);
o.SourceSlot = slot; o.SrcRect = (sx, sy, w, h); o.V24 = (dstX, dstY, 0); o.Visible = true;
o.StaticLoopColorBlend = false;
}
}
@@ -1258,6 +1267,13 @@ public sealed class GfxState
{
alpha = a; strength = 0; blend = BlendKind.Alpha; multiplyTint = true;
}
else if (o.StaticColorMode == 0 && o.StaticLoopColorBlend)
{
// FIELD clones the visible idle unit to its moving handle, then writes alpha zero
// to the still-bound looping original. Consume that post-bind write as opacity;
// ADV's ordinary static alpha-zero CG initialization remains the opaque mode-0 path.
alpha = a; strength = 0; blend = BlendKind.Alpha; multiplyTint = true;
}
else if (o.StaticColorMode == 2)
{
// Native transition-source mode: 0xffffffff is opaque identity modulation,