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feat(ui): AcDream.UI.Abstractions layer — IPanel / IPanelRenderer / VitalsVM

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Adds the backend-agnostic UI contract layer called for by the 2026-04-24
staged UI strategy (docs/plans/2026-04-24-ui-framework.md). This is the
stable layer both the Phase D.2a Hexa.NET.ImGui backend and the later
D.2b custom retail-look backend implement.

New module `src/AcDream.UI.Abstractions/`:

  * IPanel        — a drawable panel (id/title/visible/Render)
  * IPanelHost    — owns the panel list, drives per-frame dispatch
  * IPanelRenderer — drawing primitives (Begin/End/Text/SameLine/
                    Separator/ProgressBar). Kept small + retail-friendly
                    on purpose — if a widget can't be expressed with
                    dat-sourced sprites+fonts later, don't add it here.
  * ICommandBus   — user-intent publisher; NullCommandBus is D.2a default
  * PanelContext  — per-frame record struct (DeltaSeconds + Commands)
  * Panels/Vitals/
      VitalsVM   — reads CombatState.GetHealthPercent for the local
                   player. Stamina/Mana return null in D.2a; they await
                   a LocalPlayerState cache of PlayerDescription (0x0013)
                   which is filed as a follow-up issue.
      VitalsPanel — first real panel. HP bar always drawn; Stam/Mana
                    appear automatically when the VM returns non-null.

Invariant documented in IPanel's XML doc: no `using Hexa.NET.ImGui` in
panel files, ever. If a widget needs something IPanelRenderer can't
express, the interface grows; panels never reach through.

References AcDream.Core for CombatState. Zero runtime/UI dependencies
— this project compiles headless, perfect for unit testing the
ViewModels.

No visible change yet. Next commits: (2) tests, (3) ImGui backend,
(4) GameWindow hookup + visible panel behind ACDREAM_DEVTOOLS=1.
This commit is contained in:
Erik 2026-04-25 00:24:11 +02:00
parent b9455259f0
commit 8c64ad2eeb
10 changed files with 333 additions and 0 deletions
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AcDream.slnx
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@ -6,6 +6,7 @@
<Project Path="src/AcDream.Core.Net/AcDream.Core.Net.csproj" />
<Project Path="src/AcDream.Plugin.Abstractions/AcDream.Plugin.Abstractions.csproj" />
<Project Path="src/AcDream.Plugins.Smoke/AcDream.Plugins.Smoke.csproj" />
<Project Path="src/AcDream.UI.Abstractions/AcDream.UI.Abstractions.csproj" />
</Folder>
<Folder Name="/tools/">
<Project Path="tools/RetailTimeProbe/RetailTimeProbe.csproj" />