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Experimental support for custom pbd files
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,109 @@ | ||
| using System.Runtime.InteropServices; | ||
| using Dalamud.Game; | ||
| using Dalamud.Hooking; | ||
| using Dalamud.Plugin.Services; | ||
| using FFXIVClientStructs.FFXIV.Client.System.Resource.Handle; | ||
| using Microsoft.Extensions.Logging; | ||
|
|
||
| namespace Meddle.Plugin.Utils; | ||
|
|
||
| public class PbdHooks : IDisposable | ||
| { | ||
| private readonly ISigScanner sigScanner; | ||
| private readonly IGameInteropProvider gameInterop; | ||
| private readonly ILogger<PbdHooks> logger; | ||
| public const string Human_CreateDeformerSig = "40 53 48 83 EC 20 4C 8B C1 83 FA 0D"; | ||
| private delegate nint Human_CreateDeformerDelegate(nint humanPtr, uint slot); | ||
| private Hook<Human_CreateDeformerDelegate>? humanCreateDeformerHook; | ||
| private readonly Dictionary<nint, Dictionary<uint, DeformerCachedStruct>> deformerCache = new(); | ||
|
|
||
| public PbdHooks(ISigScanner sigScanner, IGameInteropProvider gameInterop, ILogger<PbdHooks> logger) | ||
| { | ||
| this.sigScanner = sigScanner; | ||
| this.gameInterop = gameInterop; | ||
| this.logger = logger; | ||
| } | ||
|
|
||
| public void Setup() | ||
| { | ||
| if (sigScanner.TryScanText(Human_CreateDeformerSig, out var humanCreateDeformerPtr)) | ||
| { | ||
| logger.LogInformation($"Found Human::CreateDeformer at {humanCreateDeformerPtr:X}"); | ||
| humanCreateDeformerHook = gameInterop.HookFromAddress<Human_CreateDeformerDelegate>(humanCreateDeformerPtr, Human_CreateDeformerDetour); | ||
| humanCreateDeformerHook.Enable(); | ||
| } | ||
| else | ||
| { | ||
| throw new Exception("Failed to hook into Human::CreateDeformer"); | ||
| } | ||
| } | ||
|
|
||
| public DeformerCachedStruct? TryGetDeformer(nint humanPtr, uint slot) | ||
| { | ||
| if (!deformerCache.TryGetValue(humanPtr, out var slotCache)) | ||
| return null; | ||
| if (!slotCache.TryGetValue(slot, out var deformer)) | ||
| return null; | ||
| return deformer; | ||
| } | ||
|
|
||
| private unsafe nint Human_CreateDeformerDetour(nint humanPtr, uint slot) | ||
| { | ||
| var result = humanCreateDeformerHook!.Original(humanPtr, slot); | ||
|
|
||
| var deformer = (DeformerStruct*)result; | ||
| if (deformer != null && deformer->PbdPointer != null) | ||
| { | ||
| if (!deformerCache.TryGetValue(humanPtr, out var slotCache)) | ||
| { | ||
| slotCache = new Dictionary<uint, DeformerCachedStruct>(); | ||
| deformerCache[humanPtr] = slotCache; | ||
| } | ||
|
|
||
| slotCache[slot] = new DeformerCachedStruct | ||
| { | ||
| DeformerId = deformer->DeformerId, | ||
| RaceSexId = deformer->RaceSexId, | ||
| PbdPath = deformer->PbdPointer->FileName.ToString() | ||
| }; | ||
| } | ||
| else | ||
| { | ||
| if (deformerCache.TryGetValue(humanPtr, out var slotCache)) | ||
| { | ||
| slotCache.Remove(slot); | ||
| if (slotCache.Count == 0) | ||
| deformerCache.Remove(humanPtr); | ||
| } | ||
| } | ||
|
|
||
| return result; | ||
| } | ||
|
|
||
| public struct DeformerCachedStruct | ||
| { | ||
| public ushort RaceSexId; | ||
| public ushort DeformerId; | ||
| public string PbdPath; | ||
| } | ||
|
|
||
| [StructLayout(LayoutKind.Explicit, Size = 0x20)] | ||
| public struct DeformerStruct | ||
| { | ||
| [FieldOffset(0x10)] | ||
| public unsafe ResourceHandle* PbdPointer; | ||
|
|
||
| [FieldOffset(0x18)] | ||
| public ushort RaceSexId; | ||
|
|
||
| [FieldOffset(0x1A)] | ||
| public ushort DeformerId; | ||
| } | ||
|
|
||
| public void Dispose() | ||
| { | ||
| logger.LogInformation("Disposing PbdHooks"); | ||
| humanCreateDeformerHook?.Dispose(); | ||
| deformerCache.Clear(); | ||
| } | ||
| } |
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