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/*
Minetest-c55
Copyright (C) 2010 celeron55, Perttu Ahola <celeron55@gmail.com>

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/

#ifndef EXCEPTIONS_HEADER
#define EXCEPTIONS_HEADER

#include <exception>

class BaseException : public std::exception
{
public:
	BaseException(const char *s)
	{
		m_s = s;
	}
	virtual const char * what() const throw()
	{
		return m_s;
	}
	const char *m_s;
};

class AsyncQueuedException : public BaseException
{
public:
	AsyncQueuedException(const char *s):
		BaseException(s)
	{}
};

class NotImplementedException : public BaseException
{
public:
	NotImplementedException(const char *s):
		BaseException(s)
	{}
};

class AlreadyExistsException : public BaseException
{
public:
	AlreadyExistsException(const char *s):
		BaseException(s)
	{}
};

class VersionMismatchException : public BaseException
{
public:
	VersionMismatchException(const char *s):
		BaseException(s)
	{}
};

class FileNotGoodException : public BaseException
{
public:
	FileNotGoodException(const char *s):
		BaseException(s)
	{}
};

class SerializationError : public BaseException
{
public:
	SerializationError(const char *s):
		BaseException(s)
	{}
};

class LoadError : public BaseException
{
public:
	LoadError(const char *s):
		BaseException(s)
	{}
};

class ContainerFullException : public BaseException
{
public:
	ContainerFullException(const char *s):
		BaseException(s)
	{}
};

class SettingNotFoundException : public BaseException
{
public:
	SettingNotFoundException(const char *s):
		BaseException(s)
	{}
};

class InvalidFilenameException : public BaseException
{
public:
	InvalidFilenameException(const char *s):
		BaseException(s)
	{}
};

class ProcessingLimitException : public BaseException
{
public:
	ProcessingLimitException(const char *s):
		BaseException(s)
	{}
};

class CommandLineError : public BaseException
{
public:
	CommandLineError(const char *s):
		BaseException(s)
	{}
};

class ItemNotFoundException : public BaseException
{
public:
	ItemNotFoundException(const char *s):
		BaseException(s)
	{}
};

/*
	Some "old-style" interrupts:
*/

class InvalidPositionException : public BaseException
{
public:
	InvalidPositionException():
		BaseException("Somebody tried to get/set something in a nonexistent position.")
	{}
	InvalidPositionException(const char *s):
		BaseException(s)
	{}
};

class TargetInexistentException : public std::exception
{
	virtual const char * what() const throw()
	{
		return "Somebody tried to refer to something that doesn't exist.";
	}
};

class NullPointerException : public std::exception
{
	virtual const char * what() const throw()
	{
		return "NullPointerException";
	}
};

#endif

od.empty()) { lua_pop(L, 1); lua_pushstring(L, getScriptApiBase(L)->getOrigin().c_str()); } return 1; } // set_last_run_mod(modname) int ModApiClient::l_set_last_run_mod(lua_State *L) { if (!lua_isstring(L, 1)) return 0; const char *mod = lua_tostring(L, 1); getScriptApiBase(L)->setOriginDirect(mod); lua_pushboolean(L, true); return 1; } // print(text) int ModApiClient::l_print(lua_State *L) { NO_MAP_LOCK_REQUIRED; std::string text = luaL_checkstring(L, 1); rawstream << text << std::endl; return 0; } // display_chat_message(message) int ModApiClient::l_display_chat_message(lua_State *L) { if (!lua_isstring(L, 1)) return 0; std::string message = luaL_checkstring(L, 1); getClient(L)->pushToChatQueue(new ChatMessage(utf8_to_wide(message))); lua_pushboolean(L, true); return 1; } // send_chat_message(message) int ModApiClient::l_send_chat_message(lua_State *L) { if (!lua_isstring(L, 1)) return 0; // If server disabled this API, discard // clang-format off if (getClient(L)->checkCSMRestrictionFlag( CSMRestrictionFlags::CSM_RF_CHAT_MESSAGES)) return 0; // clang-format on std::string message = luaL_checkstring(L, 1); getClient(L)->sendChatMessage(utf8_to_wide(message)); return 0; } // clear_out_chat_queue() int ModApiClient::l_clear_out_chat_queue(lua_State *L) { getClient(L)->clearOutChatQueue(); return 0; } // get_player_names() int ModApiClient::l_get_player_names(lua_State *L) { // clang-format off if (getClient(L)->checkCSMRestrictionFlag( CSMRestrictionFlags::CSM_RF_READ_PLAYERINFO)) { return 0; } // clang-format on const std::list<std::string> &plist = getClient(L)->getConnectedPlayerNames(); lua_createtable(L, plist.size(), 0); int newTable = lua_gettop(L); int index = 1; std::list<std::string>::const_iterator iter; for (iter = plist.begin(); iter != plist.end(); ++iter) { lua_pushstring(L, (*iter).c_str()); lua_rawseti(L, newTable, index); index++; } return 1; } // show_formspec(formspec) int ModApiClient::l_show_formspec(lua_State *L) { if (!lua_isstring(L, 1) || !lua_isstring(L, 2)) return 0; ClientEvent *event = new ClientEvent(); event->type = CE_SHOW_LOCAL_FORMSPEC; event->show_formspec.formname = new std::string(luaL_checkstring(L, 1)); event->show_formspec.formspec = new std::string(luaL_checkstring(L, 2)); getClient(L)->pushToEventQueue(event); lua_pushboolean(L, true); return 1; } // send_respawn() int ModApiClient::l_send_respawn(lua_State *L) { getClient(L)->sendRespawn(); return 0; } // disconnect() int ModApiClient::l_disconnect(lua_State *L) { // Stops badly written Lua code form causing boot loops if (getClient(L)->isShutdown()) { lua_pushboolean(L, false); return 1; } g_gamecallback->disconnect(); lua_pushboolean(L, true); return 1; } // gettext(text) int ModApiClient::l_gettext(lua_State *L) { std::string text = strgettext(std::string(luaL_checkstring(L, 1))); lua_pushstring(L, text.c_str()); return 1; } // get_node(pos) // pos = {x=num, y=num, z=num} int ModApiClient::l_get_node_or_nil(lua_State *L) { // pos v3s16 pos = read_v3s16(L, 1); // Do it bool pos_ok; MapNode n = getClient(L)->getNode(pos, &pos_ok); if (pos_ok) { // Return node pushnode(L, n, getClient(L)->ndef()); } else { lua_pushnil(L); } return 1; } int ModApiClient::l_get_language(lua_State *L) { char *locale = setlocale(LC_ALL, ""); lua_pushstring(L, locale); return 1; } int ModApiClient::l_get_wielded_item(lua_State *L) { Client *client = getClient(L); LocalPlayer *player = client->getEnv().getLocalPlayer(); if (!player) return 0; ItemStack selected_item; player->getWieldedItem(&selected_item, nullptr); LuaItemStack::create(L, selected_item); return 1; } // get_meta(pos) int ModApiClient::l_get_meta(lua_State *L) { v3s16 p = read_v3s16(L, 1); NodeMetadata *meta = getClient(L)->getEnv().getMap().getNodeMetadata(p); NodeMetaRef::createClient(L, meta); return 1; } int ModApiClient::l_sound_play(lua_State *L) { ISoundManager *sound = getClient(L)->getSoundManager(); SimpleSoundSpec spec; read_soundspec(L, 1, spec); float gain = 1.0f; float pitch = 1.0f; bool looped = false; s32 handle; if (lua_istable(L, 2)) { getfloatfield(L, 2, "gain", gain); getfloatfield(L, 2, "pitch", pitch); getboolfield(L, 2, "loop", looped); lua_getfield(L, 2, "pos"); if (!lua_isnil(L, -1)) { v3f pos = read_v3f(L, -1) * BS; lua_pop(L, 1); handle = sound->playSoundAt( spec.name, looped, gain * spec.gain, pos, pitch); lua_pushinteger(L, handle); return 1; } } handle = sound->playSound(spec.name, looped, gain * spec.gain, 0.0f, pitch); lua_pushinteger(L, handle); return 1; } int ModApiClient::l_sound_stop(lua_State *L) { u32 handle = luaL_checkinteger(L, 1); getClient(L)->getSoundManager()->stopSound(handle); return 0; } // get_server_info() int ModApiClient::l_get_server_info(lua_State *L) { Client *client = getClient(L); Address serverAddress = client->getServerAddress(); lua_newtable(L); lua_pushstring(L, client->getAddressName().c_str()); lua_setfield(L, -2, "address"); lua_pushstring(L, serverAddress.serializeString().c_str()); lua_setfield(L, -2, "ip"); lua_pushinteger(L, serverAddress.getPort()); lua_setfield(L, -2, "port"); lua_pushinteger(L, client->getProtoVersion()); lua_setfield(L, -2, "protocol_version"); return 1; } // get_item_def(itemstring) int ModApiClient::l_get_item_def(lua_State *L) { IGameDef *gdef = getGameDef(L); assert(gdef); IItemDefManager *idef = gdef->idef(); assert(idef); // clang-format off if (getClient(L)->checkCSMRestrictionFlag( CSMRestrictionFlags::CSM_RF_READ_ITEMDEFS)) return 0; // clang-format on if (!lua_isstring(L, 1)) return 0; std::string name = readParam<std::string>(L, 1); if (!idef->isKnown(name)) return 0; const ItemDefinition &def = idef->get(name); push_item_definition_full(L, def); return 1; } // get_node_def(nodename) int ModApiClient::l_get_node_def(lua_State *L) { IGameDef *gdef = getGameDef(L); assert(gdef); const NodeDefManager *ndef = gdef->ndef(); assert(ndef); if (!lua_isstring(L, 1)) return 0; // clang-format off if (getClient(L)->checkCSMRestrictionFlag( CSMRestrictionFlags::CSM_RF_READ_NODEDEFS)) return 0; // clang-format on std::string name = readParam<std::string>(L, 1); const ContentFeatures &cf = ndef->get(ndef->getId(name)); if (cf.name != name) // Unknown node. | name = <whatever>, cf.name = ignore return 0; push_content_features(L, cf); return 1; } int ModApiClient::l_get_privilege_list(lua_State *L) { const Client *client = getClient(L); lua_newtable(L); for (const std::string &priv : client->getPrivilegeList()) { lua_pushboolean(L, true); lua_setfield(L, -2, priv.c_str()); } return 1; } // get_builtin_path() int ModApiClient::l_get_builtin_path(lua_State *L) { lua_pushstring(L, BUILTIN_MOD_NAME ":"); return 1; } void ModApiClient::Initialize(lua_State *L, int top) { API_FCT(get_current_modname); API_FCT(print); API_FCT(display_chat_message); API_FCT(send_chat_message); API_FCT(clear_out_chat_queue); API_FCT(get_player_names); API_FCT(set_last_run_mod); API_FCT(get_last_run_mod); API_FCT(show_formspec); API_FCT(send_respawn); API_FCT(gettext); API_FCT(get_node_or_nil); API_FCT(get_wielded_item); API_FCT(disconnect); API_FCT(get_meta); API_FCT(sound_play); API_FCT(sound_stop); API_FCT(get_server_info); API_FCT(get_item_def); API_FCT(get_node_def); API_FCT(get_privilege_list); API_FCT(get_builtin_path); API_FCT(get_language); }