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feat(gfx): surface+object render model (replaces flat layers)

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GfxState: SurfaceStore (slot->{resId,colorkey} from create/set-texture) + object
SourceSlot/SrcRect/Visible (from draw-texture bind); SnapshotVisibleObjects returns
visible objects in ascending-handle order (=z-order) with their live surface resolved.
VM set/create/draw-texture wired to it. Oracle dumps visible objects. Erase removes the
object from the registry (faithful). Engine 44 green.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
gamer147
2026-07-07 20:28:47 -04:00
parent 6b00a9b93a
commit 34ea2f30f9
5 changed files with 101 additions and 55 deletions
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16
engine/Age.Engine/Vm/VirtualMachine.cs
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@@ -211,15 +211,17 @@ public sealed class VirtualMachine
case "end-text-line": case "set-font":
case "comment": case "display-furigana": case "dev_ukn":
return pc + 1;
case "create-texture":
case "create-texture": // 0x1f8 (slot)(w)(h) — allocate a blank surface at the slot
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":
_host.SetTexture(Read(a[0]), (int)Read(a[1])); return pc + 1;
case "draw-texture": // (handle, slot, srcX, srcY, w, h, dstX, dstY)
Gfx.AddOrUpdateLayer(new DrawLayer(Read(a[0]), (int)Read(a[1]), (int)Read(a[2]), (int)Read(a[3]),
(int)Read(a[4]), (int)Read(a[5]), (int)Read(a[6]), (int)Read(a[7])));
case "set-texture": // 0x1f9 (resId)(slot)(colorkey) — load a file into the slot's surface
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
Gfx.BindDraw(Read(a[0]), (int)Read(a[1]), (int)Read(a[2]), (int)Read(a[3]),
(int)Read(a[4]), (int)Read(a[5]), (int)Read(a[6]), (int)Read(a[7]));
_host.DrawTexture((int)Read(a[1]), (int)Read(a[2]), (int)Read(a[3]), (int)Read(a[4]),
(int)Read(a[5]), (int)Read(a[6]), (int)Read(a[7])); return pc + 1;
(int)Read(a[5]), (int)Read(a[6]), (int)Read(a[7])); return pc + 1; // IHost seam (oracle log; Godot no-ops)
case "get-texture-size": // 0x208 (slot) (out_w) (out_h)
{
var (gw, gh) = _host.GetTextureSize((int)Read(a[0]));