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Implement SC0000 movie playback lifecycle

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gamer147
2026-07-11 12:27:51 -04:00
parent 0d3078de03
commit 36960d4118
15 changed files with 711 additions and 31 deletions
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27
engine/Age.Engine/Vm/VirtualMachine.cs
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@@ -301,12 +301,14 @@ public sealed class VirtualMachine
case "comment": case "display-furigana": case "dev_ukn":
return pc + 1;
case "create-texture": // 0x1f8 (slot)(w)(h) — allocate a blank surface at the slot
_host.ReleaseSurface((int)Read(a[0]));
Gfx.ClearSurface((int)Read(a[0]));
_host.CreateTexture((int)Read(a[0]), (int)Read(a[1]), (int)Read(a[2])); return pc + 1;
case "set-texture": // 0x1f9 (resId)(slot)(colorkey) — load a file into the slot's surface
if (_diagSetTexture) // AGE_DIAG_SETTEX: log the SLOT operand source (literal vs which global) — grey-BG slot dig
System.Console.Error.WriteLine($"[settex] resId=0x{Read(a[0]):x} slot={(int)Read(a[1])} " +
$"slotOp=(type={a[1].Type} val=0x{a[1].Value:x}){(a[1].Type == 3 ? $" G[0x{a[1].Value:x}]" : "")}");
_host.ReleaseSurface((int)Read(a[1]));
Gfx.SetSurface((int)Read(a[1]), Read(a[0]), a.Count > 2 ? Read(a[2]) : 0);
_host.SetTexture(Read(a[0]), (int)Read(a[1])); return pc + 1; // host still tracks dims for get-texture-size
case "draw-texture": // 0x1fb (handle)(slot)(srcX)(srcY)(w)(h)(dstX)(dstY) — bind object -> surface + rect + pos
@@ -332,6 +334,29 @@ public sealed class VirtualMachine
_host.FadeBgm((int)Read(a[0]), Read(a[1])); return pc + 1;
case "u00415880": // 0xd9 / semantics: clear-run-state-0x1000
return pc + 1;
case "u004221A0": // pre-reference compatibility
case "play-movie-to-surface": // 0x236 (resource)(surface)(movie flags)(sync mask)
{
long resourceId = Read(a[0]);
int surfaceSlot = (int)Read(a[1]);
// Native SC0000's warm-engine trace evaluates this existing site as surface 0. The bounded
// single-scene bootstrap assigns its logical layer slot 5, which the immediately following
// 0x34/0x35 static loads reuse and would therefore evict the movie before presentation.
// Reproduce the native site assignment without changing the general surface allocator.
if (ins.Offset == 0x13c8 && _cur.Script.Name.StartsWith("SC0000", StringComparison.OrdinalIgnoreCase)
&& surfaceSlot != 0)
{
int logicalLayer = (int)Globals.GetValueOrDefault(0x62450);
long movieHandle = Globals.GetValueOrDefault(0x62455 + logicalLayer);
Gfx.RemapObjectSurface(movieHandle, surfaceSlot, 0);
surfaceSlot = 0;
}
// The native CMovieToTexture renderer replaces the pixels of the already-created surface.
// Retain the same resource binding so the compositor resolves live movie frames for its objects.
Gfx.SetSurface(surfaceSlot, resourceId, 0);
_host.PlayMovieToSurface(resourceId, surfaceSlot, Read(a[2]), Read(a[3]));
return pc + 1; // native cmd size 9 resumes at the next instruction; playback is asynchronous
}
// ---- gfx command-buffer ops (VM-internal GfxState; docs/engine-re.md op-contract table) ----
case "query-gfx-object?": // 0x215 (out)(handle) -> slot | -1
if (_diagSetTexture) // reuse the flag: show what the slot query returns (grey-BG slot dig)
@@ -391,7 +416,7 @@ public sealed class VirtualMachine
case "gfx-elem-erase": // 0x1f7 (handle)(count) — erase retained-object range
Gfx.EraseRange(Read(a[0]), Read(a[1])); return pc + 1;
case "gfx-elem-release": // 0x1fa (surface slot)
Gfx.ClearSurface((int)Read(a[0])); return pc + 1;
_host.ReleaseSurface((int)Read(a[0])); Gfx.ClearSurface((int)Read(a[0])); return pc + 1;
case "clone-gfx-object": // 0x21d (source handle)(destination handle)
Gfx.CloneObject(Read(a[0]), Read(a[1])); return pc + 1;
case "gfx-blit-color": // 0x202 (handle)(delay)(duration)(alpha)(color) — one-shot color