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authorparamat <mat.gregory@virginmedia.com>2016-12-13 04:08:23 +0000
committerparamat <mat.gregory@virginmedia.com>2016-12-14 06:28:45 +0000
commitf8408398f56b19ea277cb5921f0843ba06002574 (patch)
tree72dbc1ab83985b001d49df4fb512ef1722d4733f /src/network/networkprotocol.h
parentc67f2b29651eb98aaaf14649560d91ce5963223d (diff)
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Cavegen: Wider tunnels in mgflat, mgfractal, mgvalleys
As mgv7 is now the default mapgen i re-checked its tunnel width on request, discovered they needed to be wider, and have made this change. This commit widens the identical 3D noise tunnels in the other mapgens in exactly the same way.
Diffstat (limited to 'src/network/networkprotocol.h')
0 files changed, 0 insertions, 0 deletions
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/*
Minetest
Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
Copyright (C) 2017 nerzhul, Loic Blot <loic.blot@unix-experience.fr>

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.

You should have received a copy of the GNU Lesser 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.
*/

#include "l_client.h"
#include "chatmessage.h"
#include "client/client.h"
#include "client/clientevent.h"
#include "client/sound.h"
#include "client/clientenvironment.h"
#include "common/c_content.h"
#include "common/c_converter.h"
#include "cpp_api/s_base.h"
#include "gettext.h"
#include "l_internal.h"
#include "lua_api/l_nodemeta.h"
#include "gui/mainmenumanager.h"
#include "map.h"
#include "util/string.h"
#include "nodedef.h"

#define checkCSMRestrictionFlag(flag) \
	( getClient(L)->checkCSMRestrictionFlag(CSMRestrictionFlags::flag) )

// Not the same as FlagDesc, which contains an `u32 flag`
struct CSMFlagDesc {
	const char *name;
	u64 flag;
};

/*
	FIXME: This should eventually be moved somewhere else
	It also needs to be kept in sync with the definition of CSMRestrictionFlags
	in network/networkprotocol.h
*/
const static CSMFlagDesc flagdesc_csm_restriction[] = {
	{"load_client_mods",  CSM_RF_LOAD_CLIENT_MODS},
	{"chat_messages",     CSM_RF_CHAT_MESSAGES},
	{"read_itemdefs",     CSM_RF_READ_ITEMDEFS},
	{"read_nodedefs",     CSM_RF_READ_NODEDEFS},
	{"lookup_nodes",      CSM_RF_LOOKUP_NODES},
	{"read_playerinfo",   CSM_RF_READ_PLAYERINFO},
	{NULL,      0}
};

// get_current_modname()
int ModApiClient::l_get_current_modname(lua_State *L)
{
	lua_rawgeti(L, LUA_REGISTRYINDEX, CUSTOM_RIDX_CURRENT_MOD_NAME);
	return 1;
}

// get_modpath(modname)
int ModApiClient::l_get_modpath(lua_State *L)
{
	std::string modname = readParam<std::string>(L, 1);
	// Client mods use a virtual filesystem, see Client::scanModSubfolder()
	std::string path = modname + ":";
	lua_pushstring(L, path.c_str());
	return 1;
}

// get_last_run_mod()
int ModApiClient::l_get_last_run_mod(lua_State *L)
{
	lua_rawgeti(L, LUA_REGISTRYINDEX, CUSTOM_RIDX_CURRENT_MOD_NAME);
	std::string current_mod = readParam<std::string>(L, -1, "");
	if (current_mod.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

	if (checkCSMRestrictionFlag(CSM_RF_CHAT_MESSAGES))
		return 0;

	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)
{
	if (checkCSMRestrictionFlag(CSM_RF_READ_PLAYERINFO))
		return 0;

	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_or_nil(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)->CSMGetNode(pos, &pos_ok);
	if (pos_ok) {
		// Return node
		pushnode(L, n, getClient(L)->ndef());
	} else {
		lua_pushnil(L);
	}
	return 1;
}

// get_langauge()
int ModApiClient::l_get_language(lua_State *L)
{
#ifdef _WIN32
	char *locale = setlocale(LC_ALL, NULL);
#else
	char *locale = setlocale(LC_MESSAGES, NULL);
#endif
	std::string lang = gettext("LANG_CODE");
	if (lang == "LANG_CODE")
		lang = "";

	lua_pushstring(L, locale);
	lua_pushstring(L, lang.c_str());
	return 2;
}

// get_meta(pos)
int ModApiClient::l_get_meta(lua_State *L)
{
	v3s16 p = read_v3s16(L, 1);

	// check restrictions first
	bool pos_ok;
	getClient(L)->CSMGetNode(p, &pos_ok);
	if (!pos_ok)
		return 0;

	NodeMetadata *meta = getEnv(L)->getMap().getNodeMetadata(p);
	NodeMetaRef::createClient(L, meta);
	return 1;
}

// sound_play(spec, parameters)
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, spec.fade, pitch);
	lua_pushinteger(L, handle);

	return 1;
}

// sound_stop(handle)
int ModApiClient::l_sound_stop(lua_State *L)
{
	s32 handle = luaL_checkinteger(L, 1);

	getClient(L)->getSoundManager()->stopSound(handle);

	return 0;
}

// sound_fade(handle, step, gain)
int ModApiClient::l_sound_fade(lua_State *L)
{
	s32 handle = luaL_checkinteger(L, 1);
	float step = readParam<float>(L, 2);
	float gain = readParam<float>(L, 3);
	getClient(L)->getSoundManager()->fadeSound(handle, step, gain);
	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);

	if (checkCSMRestrictionFlag(CSM_RF_READ_ITEMDEFS))
		return 0;

	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;

	if (checkCSMRestrictionFlag(CSM_RF_READ_NODEDEFS))
		return 0;

	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;
}

// get_privilege_list()
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;
}

// get_csm_restrictions()
int ModApiClient::l_get_csm_restrictions(lua_State *L)
{
	u64 flags = getClient(L)->getCSMRestrictionFlags();
	const CSMFlagDesc *flagdesc = flagdesc_csm_restriction;

	lua_newtable(L);
	for (int i = 0; flagdesc[i].name; i++) {
		setboolfield(L, -1, flagdesc[i].name, !!(flags & flagdesc[i].flag));
	}
	return 1;
}

void ModApiClient::Initialize(lua_State *L, int top)
{
	API_FCT(get_current_modname);
	API_FCT(get_modpath);
	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(disconnect);
	API_FCT(get_meta);
	API_FCT(sound_play);
	API_FCT(sound_stop);
	API_FCT(sound_fade);
	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);
	API_FCT(get_csm_restrictions);
}