public void Add(int details_table, int fn)
{
var lua = ModTheGungeon.ModLoader.LuaState;
lua.EnterArea();
Type criteria_type = null;
string criteria_methodname = null;
Type[] criteria_argtypes = null;
bool criteria_instance = true;
bool criteria_public = true;
bool hook_returns = false;
lua.PushLuaReference(details_table);
lua.GetField("type");
if (lua.Type() == LuaType.Nil)
{
lua.LeaveAreaCleanup();
throw new LuaException($"type: Expected Type, got null");
}
else if (!lua.IsCLRObject())
{
lua.LeaveAreaCleanup();
throw new LuaException($"type: Expected CLR Type object, got non-MicroLua userdata");
}
var obj = lua.ToCLR();
if (!(obj is Type))
{
lua.Pop();
throw new LuaException($"type: Expected CLR Type object, got CLR object of type {obj.GetType()}");
}
criteria_type = obj as Type;
lua.Pop();
string method = null;
lua.GetField("method");
if (lua.Type() == LuaType.String)
{
criteria_methodname = lua.ToString();
}
lua.Pop();
lua.GetField("instance");
if (lua.Type() == LuaType.Boolean)
{
criteria_instance = lua.ToBool();
}
lua.Pop();
lua.GetField("public");
if (lua.Type() == LuaType.Boolean)
{
criteria_public = lua.ToBool();
}
lua.Pop();
lua.GetField("returns");
if (lua.Type() == LuaType.Boolean)
{
hook_returns = lua.ToBool();
}
lua.Pop();
lua.GetField("args");
if (lua.Type() == LuaType.Table)
{
var count = 0;
while (true)
{
lua.PushInt(count + 1);
lua.GetField();
if (lua.Type() == LuaType.Nil)
{
lua.Pop();
break;
}
if (!lua.IsCLRObject())
{
lua.LeaveAreaCleanup();
throw new LuaException($"args: Expected entry at index {count + 1} to be a CLR Type object, got non-CLR userdata");
}
var argobj = lua.ToCLR();
if (!(argobj is Type))
{
lua.LeaveAreaCleanup();
throw new LuaException($"args: Expected entry at index {count + 1} to be a CLR Type object, got CLR object of type {argobj.GetType()}");
}
lua.Pop();
count += 1;
}
var argtypes = new Type[count];
for (int i = 1; i <= count; i++)
{
lua.PushInt(i);
lua.GetField();
argtypes[i - 1] = lua.ToCLR <Type>();
lua.Pop();
}
criteria_argtypes = argtypes;
}
lua.Pop();
lua.Pop();
var method_info = _TryFindMethod(
criteria_type,
criteria_methodname,
criteria_argtypes,
criteria_instance,
criteria_public
);
if (method_info == null)
{
throw new LuaException($"Method '{criteria_methodname}' in '{criteria_type.FullName}' not found.");
}
_CheckForbidden(method_info);
RuntimeHooks.InstallDispatchHandler(method_info);
var token = RuntimeHooks.MethodToken(method_info);
Hooks[token] = fn;
if (hook_returns)
{
HookReturns[token] = method_info.ReturnType;
}
_Logger.Debug($"Added Lua hook for method '{criteria_methodname}' ({token})");
lua.LeaveArea();
}
public void Add(LuaTable details, LuaFunction fn)
{
Type criteria_type;
string criteria_methodname;
Type[] criteria_argtypes = null;
bool criteria_instance;
bool criteria_public;
bool hook_returns;
using (var ftype = details["type"]) {
if (ftype == null)
{
throw new LuaException($"type: Expected Type, got null");
}
if (!(ftype is IClrObject))
{
throw new LuaException($"type: Expected CLR Type object, got non-CLR object of type {ftype.GetType()}");
}
else if (!(((IClrObject)ftype).ClrObject is Type))
{
throw new LuaException($"type: Expected CLR Type object, got CLR object of type {((IClrObject)ftype).ClrObject.GetType()}");
}
criteria_type = ((IClrObject)ftype).ClrObject as Type;
using (var method = details["method"] as LuaString)
using (var instance = details["instance"] as LuaBoolean)
using (var @public = details["public"] as LuaBoolean)
using (var returns = details["returns"] as LuaBoolean)
using (var args = details["args"] as LuaTable) {
if (method == null)
{
throw new LuaException("method: Expected string, got null");
}
if (args != null)
{
var count = 0;
while (true)
{
using (var value = args[count + 1]) {
if (value is LuaNil)
{
break;
}
if (!(value is IClrObject))
{
throw new LuaException($"args: Expected entry at index {count} to be a CLR Type object, got non-CLR object of type {value.GetType()}");
}
else if (!(((IClrObject)value).ClrObject is Type))
{
throw new LuaException($"args: Expected entry at index {count} to be a CLR Type object, got CLR object of type {((IClrObject)value).ClrObject.GetType()}");
}
}
count += 1;
}
var argtypes = new Type[args.Count];
for (int i = 1; i <= count; i++)
{
using (var value = args[i]) {
argtypes[i - 1] = (Type)args[i].CLRMappedObject;
}
}
criteria_argtypes = argtypes;
}
criteria_instance = instance?.ToBoolean() ?? true;
criteria_public = @public?.ToBoolean() ?? true;
criteria_methodname = method.ToString();
hook_returns = returns?.ToBoolean() ?? false;
}
}
var method_info = _TryFindMethod(
criteria_type,
criteria_methodname,
criteria_argtypes,
criteria_instance,
criteria_public
);
if (method_info == null)
{
throw new LuaException($"Method '{criteria_methodname}' in '{criteria_type.FullName}' not found.");
}
_CheckForbidden(method_info);
RuntimeHooks.InstallDispatchHandler(method_info);
var token = RuntimeHooks.MethodToken(method_info);
Hooks[token] = fn;
fn.DisposeAfterManagedCall = false;
if (hook_returns)
{
HookReturns[token] = method_info.ReturnType;
}
_Logger.Debug($"Added Lua hook for method '{criteria_methodname}' ({token})");
}