135 lines
3.6 KiB
C#
135 lines
3.6 KiB
C#
using System.Numerics;
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using System.Runtime.InteropServices;
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using System.Text;
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using Dalamud.Memory;
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using Dalamud.Plugin.Services;
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using Dalamud.Utility.Signatures;
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namespace OrangeGuidanceTomestone;
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internal unsafe class Vfx : IDisposable {
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private static readonly byte[] Pool = "Client.System.Scheduler.Instance.VfxObject\0"u8.ToArray();
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[Signature("E8 ?? ?? ?? ?? F3 0F 10 35 ?? ?? ?? ?? 48 89 43 08")]
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private delegate* unmanaged<byte*, byte*, VfxStruct*> _staticVfxCreate;
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[Signature("E8 ?? ?? ?? ?? 8B 4B 7C 85 C9")]
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private delegate* unmanaged<VfxStruct*, float, int, ulong> _staticVfxRun;
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[Signature("40 53 48 83 EC 20 48 8B D9 48 8B 89 ?? ?? ?? ?? 48 85 C9 74 28 33 D2 E8 ?? ?? ?? ?? 48 8B 8B ?? ?? ?? ?? 48 85 C9")]
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private delegate* unmanaged<VfxStruct*, nint> _staticVfxRemove;
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private Plugin Plugin { get; }
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private Dictionary<Guid, nint> Spawned { get; } = [];
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private Queue<nint> RemoveQueue { get; } = [];
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private bool _disposed;
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internal Vfx(Plugin plugin) {
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this.Plugin = plugin;
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this.Plugin.GameInteropProvider.InitializeFromAttributes(this);
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this.Plugin.Framework.Update += this.OnFrameworkUpdate;
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}
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public void Dispose() {
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if (this._disposed) {
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return;
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}
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this._disposed = true;
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this.RemoveAll();
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}
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private void OnFrameworkUpdate(IFramework framework) {
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if (this._disposed && this.RemoveQueue.Count == 0) {
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this.Plugin.Framework.Update -= this.OnFrameworkUpdate;
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}
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if (!this.RemoveQueue.TryDequeue(out var vfx)) {
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return;
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}
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if (!this.RemoveStatic((VfxStruct*) vfx)) {
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this.RemoveQueue.Enqueue(vfx);
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}
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}
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internal void RemoveAll() {
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foreach (var spawned in this.Spawned.Keys.ToArray()) {
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this.RemoveStatic(spawned);
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}
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}
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internal VfxStruct* SpawnStatic(Guid id, string path, Vector3 pos, Quaternion rotation) {
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VfxStruct* vfx;
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fixed (byte* p = Encoding.UTF8.GetBytes(path).NullTerminate()) {
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fixed (byte* pool = Pool) {
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vfx = this._staticVfxCreate(p, pool);
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}
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}
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if (vfx == null) {
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return null;
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}
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// update position
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vfx->Position = new Vector3(pos.X, pos.Y, pos.Z);
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// update rotation
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vfx->Rotation = new Quaternion(rotation.X, rotation.Y, rotation.Z, rotation.W);
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// update
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vfx->Flags |= 2;
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this._staticVfxRun(vfx, 0.0f, -1);
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this.Spawned[id] = (nint) vfx;
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return vfx;
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}
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internal bool RemoveStatic(VfxStruct* vfx) {
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var result = this._staticVfxRemove(vfx);
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var success = result != 0;
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if (!success) {
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this.RemoveQueue.Enqueue((nint) vfx);
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}
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return success;
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}
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internal void RemoveStatic(Guid id) {
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if (!this.Spawned.Remove(id, out var vfx)) {
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return;
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}
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this.RemoveStatic((VfxStruct*) vfx);
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}
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[StructLayout(LayoutKind.Explicit)]
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internal struct VfxStruct {
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[FieldOffset(0x38)]
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public byte Flags;
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[FieldOffset(0x50)]
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public Vector3 Position;
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[FieldOffset(0x60)]
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public Quaternion Rotation;
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[FieldOffset(0x70)]
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public Vector3 Scale;
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[FieldOffset(0x128)]
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public int ActorCaster;
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[FieldOffset(0x130)]
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public int ActorTarget;
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[FieldOffset(0x1B8)]
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public int StaticCaster;
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[FieldOffset(0x1C0)]
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public int StaticTarget;
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}
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}
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