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Extract VM retained object handler

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gamer147
2026-08-02 23:50:45 -04:00
parent 4574ee3797
commit ee86bf144a
4 changed files with 121 additions and 62 deletions
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90
engine/Age.Engine/Vm/VirtualMachine.RetainedObjects.cs Normal file
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using Age.Engine.Model;
namespace Age.Engine.Vm;
public sealed partial class VirtualMachine
{
private int StepRetainedObject(string label, IReadOnlyList<Operand> a, int pc)
{
switch (label)
{
case "clear-retained-gfx-objects": // 0x1f6: erase object records, but preserve surfaces
Gfx.ClearRetainedObjects(); return pc + 1;
case "query-gfx-object?": // 0x215 (out)(handle) -> slot | -1
if (_diagSetTexture) // reuse the flag: show what the slot query returns (grey-BG slot dig)
{
long h = Read(a[1]);
System.Console.Error.WriteLine($"[query] handle=0x{h:x} handleOp=(type={a[1].Type} val=0x{a[1].Value:x}) " +
$"-> QuerySlot={Gfx.QuerySlot(h)} objectPresent={Gfx.TryGet(h) != null}");
}
Write(a[0], Gfx.QuerySlot(Read(a[1]))); return pc + 1;
case "query-gfx-field?": // 0x216 (out)(idx)
Write(a[0], Gfx.QueryField(Read(a[1]))); return pc + 1;
case "get-gfx-geom3?": // 0x218 (handle)(outA)(outB)(outC) <- V18
{
var v = Gfx.TryGet(Read(a[0]))?.V18 ?? default;
Write(a[1], v.X); Write(a[2], v.Y); Write(a[3], v.Z); return pc + 1;
}
case "get-gfx-geom3-b?": // 0x21a (handle)(outA)(outB)(outC) <- V24
{
var v = Gfx.TryGet(Read(a[0]))?.V24 ?? default;
Write(a[1], v.X); Write(a[2], v.Y); Write(a[3], v.Z); return pc + 1;
}
case "set-gfx-geom3": // 0x217 (handle)(a)(b)(c) -> V18
Gfx.SetObjectAnchor(Read(a[0]), (Read(a[1]), Read(a[2]), Read(a[3]))); return pc + 1;
case "set-gfx-geom3-b": // 0x219 (handle)(a)(b)(c) -> V24
Gfx.SetObjectPosition(Read(a[0]), (Read(a[1]), Read(a[2]), Read(a[3]))); return pc + 1;
case "u0041AF00": // 0x80: default object slot substituted by native op 0x1d9
case "set-default-gfx-object-slot":
Gfx.SetDefaultObjectSlot((int)Read(a[0])); return pc + 1;
// ---- SC0000 anim/transform/spritesheet cluster (docs/engine-re.md §"SC0000 anim ... cluster") ----
case "u00421DD0": // 0x22f set-position: (handle)(op2)(x)(y)(z) -> base position (direct set)
Gfx.SetObjectPosition(Read(a[0]), (Read(a[2]), Read(a[3]), Read(a[4]))); return pc + 1;
case "u004219E0": // pre-reference compatibility
case "set-gfx-range-transform": // 0x229 (first)(count)(anchor x/y/z)
Gfx.SetRangeTransform(Read(a[0]), Read(a[1]), (Read(a[2]), Read(a[3]), Read(a[4])));
return pc + 1;
case "u00421A90": // pre-reference compatibility
case "set-gfx-range-scale-current": // 0x22a (sx%)(sy%)(sz%)
Gfx.SetRangeScaleCurrent((Read(a[0]), Read(a[1]), Read(a[2]))); return pc + 1;
case "u00421BD0": // pre-reference compatibility
case "set-gfx-range-translation-current": // 0x22c (tx)(ty)(tz)
Gfx.SetRangeTranslationCurrent((Read(a[0]), Read(a[1]), Read(a[2]))); return pc + 1;
case "u00421C60": // pre-reference compatibility
case "set-gfx-range-scale-target": // 0x22d (delay)(duration)(sx%)(sy%)(sz%)
Gfx.SetRangeScaleChannel(Read(a[0]), Read(a[1]), (Read(a[2]), Read(a[3]), Read(a[4])));
return pc + 1;
case "u00421940": // 0x228: (succ)(handle)(outX)(outY)(outZ) <- target translation matrix
{
if (Gfx.TryQueryTranslationTarget(Read(a[1]), out var v))
{
Write(a[2], (long)v.X); Write(a[3], (long)v.Y); Write(a[4], (long)v.Z);
Write(a[0], 0);
}
else Write(a[0], 1); // native missing-object path leaves output operands untouched
return pc + 1;
}
case "set-gfx-geom3-c": // 0x1ff: set current translation matrix
Gfx.SetCurrentTranslation(Read(a[0]), (Read(a[1]), Read(a[2]), Read(a[3]))); return pc + 1;
case "u00420620": // upstream ABI label
case "gfx-set-scale-current": // 0x1fd (handle)(sx%)(sy%)(sz%) -> current scale matrix
Gfx.SetCurrentScale(Read(a[0]), (Read(a[1]), Read(a[2]), Read(a[3]))); return pc + 1;
case "set-current-rotation-axis-angle": // 0x1fe (handle)(axis x/y/z)(angle degrees)
Gfx.SetCurrentRotation(Read(a[0]), (Read(a[1]), Read(a[2]), Read(a[3])), Read(a[4]));
return pc + 1;
case "gfx-elem-erase": // 0x1f7 (handle)(count) — erase retained-object range
{
long first = Read(a[0]), count = Read(a[1]);
Gfx.EraseRange(first, count);
foreach (int layoutSlot in TextHistory.LayoutsCoveredByTextObjectErase(first, count))
_host.ClearRenderedAdvTextLayout(layoutSlot);
return pc + 1;
}
case "clone-gfx-object": // 0x21d (source handle)(destination handle)
Gfx.CloneObject(Read(a[0]), Read(a[1])); return pc + 1;
default:
throw new InvalidOperationException($"Non-retained-object opcode routed to retained-object handler: {label}");
}
}
}