private static IEnumerable <CodeInstruction> TryPlayCustomTopicAdvTpl(IEnumerable <CodeInstruction> instructions)
{
var matcher = new CodeMatcher(instructions)
.MatchForward(true, new CodeMatch(OpCodes.Ldstr, "話題を振る"))
.MatchForward(true, new CodeMatch(OpCodes.Call, AccessTools.PropertyGetter(typeof(TalkScene), nameof(TalkScene.isNPC))))
.Advance(1)
.ThrowIfNotMatch("Brtrue not found", new CodeMatch(OpCodes.Brtrue));
var startPos = matcher.Pos;
// Figure out where the if else ends so we can jump there if we want to skip it
// First go to the start of else, then step back and get the label at the end of if that skips over the else
var elseLabel = ((Label)matcher.Operand);
matcher.MatchForward(false, new CodeMatch(instruction => instruction.labels.Contains(elseLabel)))
.Advance(-1)
.ThrowIfNotMatch("Br not found", new CodeMatch(OpCodes.Br));
var skipIfelseLabel = matcher.Operand;
// Go back to the start of the if
matcher.Advance(startPos - matcher.Pos).ThrowIfNotMatch("Brtrue not found 2", new CodeMatch(OpCodes.Brtrue));
// Go back to the first if, then insert our if before it
// Copy the `this` load instead of hardcoding it just in case (isNPC takes it)
matcher.Advance(-2);
var loadInstrCopy = new CodeInstruction(matcher.Opcode, matcher.Operand);
matcher.Advance(1).Insert(
new CodeInstruction(OpCodes.Call, AccessTools.Method(typeof(TopicHooks), nameof(TryPlayCustomTopicAdvHook))),
new CodeInstruction(OpCodes.Brtrue, skipIfelseLabel),
loadInstrCopy);
return(matcher.Instructions());
}
public static IEnumerable <CodeInstruction> ChaControl_SetShapeBodyValue_RemoveHeightLock(IEnumerable <CodeInstruction> instructions)
{
var cm = new CodeMatcher(instructions);
// find branch that overrides the male height
cm.MatchForward(false, new CodeMatch(OpCodes.Call, AccessTools.PropertyGetter(typeof(ChaInfo), nameof(ChaInfo.sex))))
.MatchForward(false, new CodeMatch(c => c.Branches(out _)));
// turn it into an unconditional jump
cm.InsertAndAdvance(new CodeInstruction(OpCodes.Pop))
.SetOpcodeAndAdvance(OpCodes.Br);
return(cm.Instructions());
}
public static IEnumerable <CodeInstruction> ChaControl_Initialize_RemoveHeightLock(IEnumerable <CodeInstruction> instructions)
{
var cm = new CodeMatcher(instructions);
// find branch that overrides the male height
cm.MatchForward(false, new CodeMatch(OpCodes.Ldc_R4, 0.6f))
.MatchBack(false, new CodeMatch(OpCodes.Call))
.MatchBack(false, new CodeMatch(c => c.Branches(out _)));
// turn it into an unconditional jump
cm.InsertAndAdvance(new CodeInstruction(OpCodes.Pop))
.SetOpcodeAndAdvance(OpCodes.Br);
return(cm.Instructions());
}
private static IEnumerable <CodeInstruction> PhPluginSceneInfoSaveTranspiler(IEnumerable <CodeInstruction> instructions)
{
var matcher = new CodeMatcher(instructions);
matcher.MatchForward(false, new CodeMatch(OpCodes.Ldstr, "【PHStudio】"));
var getWriterInstr = matcher.InstructionAt(-1);
matcher.Advance(2);
matcher.InsertAndAdvance(
new CodeInstruction(OpCodes.Ldarg_0),
getWriterInstr,
CodeInstruction.Call(typeof(Hooks), nameof(SceneInfoSaveHook)));
if (matcher.Instruction.opcode != OpCodes.Leave && matcher.Instruction.opcode != OpCodes.Leave_S)
{
throw new Exception("Failed to patch SceneInfo.Save");
}
return(matcher.Instructions());
}