Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Scp330 sound fix #55

Merged
merged 7 commits into from
Aug 12, 2024
Merged
Show file tree
Hide file tree
Changes from 5 commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
Original file line number Diff line number Diff line change
Expand Up @@ -35,6 +35,7 @@ public InteractingScp330EventArgs(Player player, int usage)
Candy = Scp330Candies.GetRandom();
UsageCount = usage;
ShouldSever = usage >= 2;
ShouldPlaySound = true;
IsAllowed = Player.IsHuman;
}

Expand All @@ -53,10 +54,16 @@ public InteractingScp330EventArgs(Player player, int usage)
/// </summary>
public bool ShouldSever { get; set; }

/// <summary>
/// Gets or sets a value indicating whether the sound should be played.
/// </summary>
/// <remarks>It won't work if <see cref="IsAllowed"/> = <see langword="false"/>.</remarks>
public bool ShouldPlaySound { get; set; }

/// <summary>
/// Gets or sets a value indicating whether the player is allowed to interact with SCP-330.
/// </summary>
public bool IsAllowed { get; set; } = true;
public bool IsAllowed { get; set; }

/// <summary>
/// Gets the <see cref="API.Features.Player" /> triggering the event.
Expand Down
67 changes: 46 additions & 21 deletions EXILED/Exiled.Events/Patches/Events/Scp330/InteractingScp330.cs
Original file line number Diff line number Diff line change
Expand Up @@ -10,13 +10,15 @@ namespace Exiled.Events.Patches.Events.Scp330
using System.Collections.Generic;
using System.Reflection.Emit;

using Exiled.API.Features;
using Exiled.API.Features.Pools;
using Exiled.Events.Attributes;
using Exiled.Events.EventArgs.Scp330;
using Exiled.Events.Handlers;
using HarmonyLib;
using Interactables.Interobjects;
using InventorySystem.Items.Usables.Scp330;
using PluginAPI.Events;

using static HarmonyLib.AccessTools;

Expand All @@ -34,9 +36,7 @@ private static IEnumerable<CodeInstruction> Transpiler(IEnumerable<CodeInstructi
{
List<CodeInstruction> newInstructions = ListPool<CodeInstruction>.Pool.Get(instructions);

Label shouldNotSever = generator.DefineLabel();
Label returnLabel = generator.DefineLabel();
Label enableEffectLabel = generator.DefineLabel();

LocalBuilder ev = generator.DeclareLocal(typeof(InteractingScp330EventArgs));

Expand Down Expand Up @@ -74,35 +74,60 @@ private static IEnumerable<CodeInstruction> Transpiler(IEnumerable<CodeInstructi
new(OpCodes.Brfalse, returnLabel),
});

// This is to find the location of RpcMakeSound to remove the original code and add a new sever logic structure (Start point)
int addShouldSeverOffset = -1;
int addShouldSeverIndex = newInstructions.FindLastIndex(
instruction => instruction.Calls(Method(typeof(Scp330Interobject), nameof(Scp330Interobject.RpcMakeSound)))) + addShouldSeverOffset;
/* next code will used to override sound rpc check by EXILED
* old:
* if (args.PlaySound)
* new:
* if (args.PlaySound && ev.PlaySound)
*/

int serverEffectLocationStart = -1;
int enableEffect = newInstructions.FindLastIndex(
instruction => instruction.LoadsField(Field(typeof(ReferenceHub), nameof(ReferenceHub.playerEffectsController)))) + serverEffectLocationStart;
offset = 1;
index = newInstructions.FindLastIndex(
instruction => instruction.Calls(PropertyGetter(typeof(PlayerInteractScp330Event), nameof(PlayerInteractScp330Event.PlaySound)))) + offset;

newInstructions[enableEffect].WithLabels(enableEffectLabel);
newInstructions.InsertRange(
addShouldSeverIndex,
index,
new[]
{
// load ev.ShouldPlaySound and or operation with nw property.
new CodeInstruction(OpCodes.Ldloc_S, ev.LocalIndex),
new(OpCodes.Callvirt, PropertyGetter(typeof(InteractingScp330EventArgs), nameof(InteractingScp330EventArgs.ShouldPlaySound))),
new(OpCodes.Add),
IRacle1 marked this conversation as resolved.
Show resolved Hide resolved
});

/* next code will used to override Sever check by EXILED
* old:
* if (args.AllowPunishment && uses >= 2)
* new:
* if (args.AllowPunishment && ev.ShouldSever)
*/

// set `notSeverLabel`
offset = -1;
index = newInstructions.FindLastIndex(
instruction => instruction.LoadsField(Field(typeof(Scp330Interobject), nameof(Scp330Interobject._takenCandies)))) + offset;

Label notSeverLabel = newInstructions[index].labels[0];

offset = 2;
index = newInstructions.FindLastIndex(
instruction => instruction.Calls(PropertyGetter(typeof(PlayerInteractScp330Event), nameof(PlayerInteractScp330Event.AllowPunishment)))) + offset;

// remove `uses >= 2` check, to override that by ev.ShouldSever
newInstructions.RemoveRange(index, 3);

newInstructions.InsertRange(
index,
new[]
{
// if (!ev.ShouldSever)
// goto shouldNotSever;
new CodeInstruction(OpCodes.Ldloc, ev.LocalIndex),
new CodeInstruction(OpCodes.Ldloc_S, ev.LocalIndex),
new(OpCodes.Callvirt, PropertyGetter(typeof(InteractingScp330EventArgs), nameof(InteractingScp330EventArgs.ShouldSever))),
new(OpCodes.Brfalse, shouldNotSever),
new(OpCodes.Br, enableEffectLabel),
new(OpCodes.Brfalse_S, notSeverLabel),
});

// This will let us jump to the taken candies code and lock until ldarg_0, meaning we allow base game logic handle candy adding.
int addTakenCandiesOffset = -1;
int addTakenCandiesIndex = newInstructions.FindLastIndex(
instruction => instruction.LoadsField(Field(typeof(Scp330Interobject), nameof(Scp330Interobject._takenCandies)))) + addTakenCandiesOffset;

newInstructions[addTakenCandiesIndex].WithLabels(shouldNotSever);
newInstructions[newInstructions.Count - 1].WithLabels(returnLabel);
newInstructions[newInstructions.Count - 1].labels.Add(returnLabel);

for (int z = 0; z < newInstructions.Count; z++)
yield return newInstructions[z];
Expand Down
Loading