183 lines
6.0 KiB
C#
183 lines
6.0 KiB
C#
using Dalamud.Game.Chat.SeStringHandling.Payloads;
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using Dalamud.Hooking;
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using Dalamud.Plugin;
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using Lumina.Excel.GeneratedSheets;
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using System;
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using System.Collections.Generic;
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using System.Runtime.InteropServices;
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namespace Globetrotter {
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internal sealed class TreasureMaps : IDisposable {
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private const uint TreasureMapsCode = 0x54;
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private static Dictionary<uint, uint> _mapToRow;
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private Dictionary<uint, uint> MapToRow {
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get {
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if (_mapToRow != null) {
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return _mapToRow;
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}
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var mapToRow = new Dictionary<uint, uint>();
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foreach (var rank in this.Interface.Data.GetExcelSheet<TreasureHuntRank>()) {
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var unopened = rank.ItemName.Value;
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if (unopened == null) {
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continue;
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}
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EventItem opened;
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// FIXME: remove this try/catch when lumina is fixed
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try {
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opened = rank.KeyItemName.Value;
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} catch (NullReferenceException) {
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opened = null;
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}
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if (opened == null) {
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continue;
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}
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mapToRow[opened.RowId] = unopened.AdditionalData;
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}
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_mapToRow = mapToRow;
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return _mapToRow;
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}
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}
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private DalamudPluginInterface Interface { get; }
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private Configuration Config { get; }
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private TreasureMapPacket _lastMap;
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private delegate char HandleActorControlSelfDelegate(long a1, long a2, IntPtr dataPtr);
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private readonly Hook<HandleActorControlSelfDelegate> _acsHook;
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public TreasureMaps(DalamudPluginInterface pi, Configuration config) {
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this.Interface = pi ?? throw new ArgumentNullException(nameof(pi), "DalamudPluginInterface cannot be null");
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this.Config = config ?? throw new ArgumentNullException(nameof(config), "Configuration cannot be null");
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var delegatePtr = this.Interface.TargetModuleScanner.ScanText("48 89 5C 24 ?? 48 89 74 24 ?? 57 48 83 EC 30 48 8B D9 49 8B F8 41 0F B7 08");
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if (delegatePtr == IntPtr.Zero) {
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PluginLog.Log("Unable to detect treasure maps because could not find ACS handler delegate");
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return;
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}
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this._acsHook = new Hook<HandleActorControlSelfDelegate>(delegatePtr, new HandleActorControlSelfDelegate(this.OnACS));
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this._acsHook.Enable();
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}
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public void OnHover(object sender, ulong id) {
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if (!this.Config.ShowOnHover || this._lastMap == null || this._lastMap.EventItemId != id) {
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return;
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}
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this.OpenMapLocation();
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}
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private char OnACS(long a1, long a2, IntPtr dataPtr) {
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var packet = ParsePacket(dataPtr);
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if (packet == null) {
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return this._acsHook.Original(a1, a2, dataPtr);
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}
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this._lastMap = packet;
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if (this.Config.ShowOnOpen && packet.JustOpened) {
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// this does not work because the offset in memory is not yet updated with the thing
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this.OpenMapLocation();
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}
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return this._acsHook.Original(a1, a2, dataPtr);
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}
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public void OpenMapLocation() {
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var packet = this._lastMap;
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if (packet == null) {
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return;
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}
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if (!this.MapToRow.TryGetValue(packet.EventItemId, out var rowId)) {
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return;
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}
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var spot = this.Interface.Data.GetExcelSheet<TreasureSpot>().GetRow(rowId, packet.SubRowId);
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var loc = spot?.Location?.Value;
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var map = loc?.Map?.Value;
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var terr = map?.TerritoryType?.Value;
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if (terr == null) {
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return;
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}
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var x = ToMapCoordinate(loc.X, map.SizeFactor);
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var y = ToMapCoordinate(loc.Z, map.SizeFactor);
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var mapLink = new MapLinkPayload(
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this.Interface.Data,
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terr.RowId,
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map.RowId,
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ConvertMapCoordinateToRawPosition(x, map.SizeFactor),
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ConvertMapCoordinateToRawPosition(y, map.SizeFactor)
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);
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this.Interface.Framework.Gui.OpenMapWithMapLink(mapLink);
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}
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private static TreasureMapPacket ParsePacket(IntPtr dataPtr) {
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uint category = Marshal.ReadByte(dataPtr);
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if (category != TreasureMapsCode) {
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return null;
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}
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dataPtr += 4; // skip padding
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var param1 = (uint) Marshal.ReadInt32(dataPtr);
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dataPtr += 4;
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var param2 = (uint) Marshal.ReadInt32(dataPtr);
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dataPtr += 4;
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var param3 = (uint) Marshal.ReadInt32(dataPtr);
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var eventItemId = param1;
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var subRowId = param2;
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var justOpened = param3 == 1;
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return new TreasureMapPacket(eventItemId, subRowId, justOpened);
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}
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private static int ConvertMapCoordinateToRawPosition(float pos, float scale) {
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var c = scale / 100.0f;
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var scaledPos = (((pos - 1.0f) * c / 41.0f * 2048.0f) - 1024.0f) / c;
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scaledPos *= 1000.0f;
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return (int) scaledPos;
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}
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private static float ToMapCoordinate(float val, float scale) {
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var c = scale / 100f;
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val *= c;
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return (41f / c * ((val + 1024f) / 2048f)) + 1;
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}
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public void Dispose() {
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this._acsHook?.Dispose();
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}
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}
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internal class TreasureMapPacket {
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public uint EventItemId { get; }
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public uint SubRowId { get; }
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public bool JustOpened { get; }
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public TreasureMapPacket(uint eventItemId, uint subRowId, bool justOpened) {
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this.EventItemId = eventItemId;
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this.SubRowId = subRowId;
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this.JustOpened = justOpened;
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}
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}
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}
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