82 lines
3.3 KiB
C#
82 lines
3.3 KiB
C#
using System.Collections.Generic;
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using System.Threading;
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using Age.Engine.Hosting;
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using Age.Engine.Sys4;
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public sealed class GodotAdvHost : IHost
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{
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private readonly Main _main;
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private readonly ResourceMap _res;
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private readonly string _scene; // e.g. "SC0000" — for section_base
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private readonly Dictionary<int, string?> _slotBmp = new(); // slot -> pre-converted BMP path
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// slot -> dims. Slot 0 is the primary/screen surface (800x600), normally created at engine boot which
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// the single-scene harness skips; seed it so the first CG's anchor math stays correct (not 0x0).
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private readonly Dictionary<int, (int W, int H)> _slotDims = new() { { 0, (800, 600) } };
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private readonly SemaphoreSlim _gate = new(0, 1);
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public volatile bool IsWaiting;
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public readonly List<(int Offset, string Text)> Captured = new();
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public GodotAdvHost(Main main, ResourceMap res, string scene)
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{
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_main = main; _res = res; _scene = scene;
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}
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public void ShowText(int offset, string text)
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{
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Captured.Add((offset, text));
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_main.CallDeferred("AppendLine", text);
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}
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public volatile int Pages; // VM-thread page counter (incremented before IsWaiting so shot-gating can't race)
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public void WaitForInput()
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{
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Pages++;
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_main.CallDeferred("PageBreak");
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IsWaiting = true;
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_gate.Wait();
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IsWaiting = false;
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_main.CallDeferred("ClearPage");
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}
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// called from the main thread (click) or the selftest auto-clicker
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public void SignalInput() { if (_gate.CurrentCount == 0) _gate.Release(); }
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// ---- texture ops (run on the VM thread; marshal Godot node work to the main thread) ----
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public void CreateTexture(int slot, int width, int height) { _slotBmp[slot] = null; _slotDims[slot] = (width, height); }
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public void SetTexture(long resourceId, int slot)
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{
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var asset = _res.Resolve(_scene, resourceId);
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var bmp = asset != null ? ResourceMap.TexturePath(asset) : null;
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_slotBmp[slot] = bmp;
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_slotDims[slot] = BmpHeader.ReadDims(bmp); // synchronous: dims from the header, no Godot Image
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}
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// Dims are read from the BMP header on the VM thread so the bytecode's geometry math (which calls this
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// synchronously right after set-texture) sees the real size. Pixels are blitted later on the main thread.
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public (int Width, int Height) GetTextureSize(int slot)
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=> _slotDims.TryGetValue(slot, out var d) ? (d.W, d.H) : (0, 0);
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public void DrawTexture(int slot, int srcX, int srcY, int width, int height, int dstX, int dstY)
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{
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if (_slotBmp.TryGetValue(slot, out var bmp) && bmp != null)
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_main.CallDeferred("BlitSlot", bmp, srcX, srcY, width, height, dstX, dstY);
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}
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// ---- audio ops (OGG plays natively in Godot) ----
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// BGM: addressed by direct name (BGM{id:D3}.OGG), NOT the manifest. Voice: via the per-scene manifest.
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public void PlayBgm(long id)
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{
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var path = _res.BgmPathById(id);
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if (path != null) _main.CallDeferred("PlayBgm", path);
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}
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public void PlayVoice(long id)
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{
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var asset = _res.Resolve(_scene, id);
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var path = asset != null ? ResourceMap.AudioPath(asset) : null;
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if (path != null) _main.CallDeferred("PlayVoice", path);
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}
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}
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