48 lines
1.7 KiB
C#
48 lines
1.7 KiB
C#
using MagicStorageVoidBag.Items;
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using Mono.Cecil.Cil;
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using MonoMod.Cil;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using Terraria;
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using Terraria.ModLoader;
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namespace MagicStorageVoidBag.ILPatches {
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internal class PlayerUpdatePatch : ILPatch {
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private static readonly log4net.ILog Logger = MagicStorageVoidBag.Instance.Logger;
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public void Patch(ILContext il) {
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try {
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if (il == null) {
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Logger.Error("ILContext null!");
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return;
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}
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Logger.Debug("Patching Terraria.Player.Update IL...");
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var c = new ILCursor(il);
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var setterMethod = typeof(Player).GetProperty(nameof(Player.IsVoidVaultEnabled)).GetSetMethod();
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if (!c.TryGotoNext(i => i.MatchCallOrCallvirt(setterMethod))) {
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Logger.Error("Failed to go to next call or callvirt! :(");
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return;
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}
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c.Emit(OpCodes.Ldarg_0);
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c.Emit(OpCodes.Ldc_I4, ModContent.ItemType<MSVoidBag>());
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var hasItemMethod = typeof(Player).GetMethod(nameof(Player.HasItem), new[] { typeof(int) });
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if (hasItemMethod == null) {
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Logger.Error("Failed to reflect Player.HasItem(int)! :(");
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return;
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}
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c.Emit(OpCodes.Call, hasItemMethod);
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c.Emit(OpCodes.Or);
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Logger.Debug("...Complete!");
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} catch (Exception e) {
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throw new ILPatchFailureException(MagicStorageVoidBag.Instance, il, e);
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}
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}
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}
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}
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