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/*
Minetest
Copyright (C) 2013 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 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.
*/

#pragma once

#include "lua_api/l_base.h"

class AsyncEngine;

class ModApiUtil : public ModApiBase
{
private:
	/*
		NOTE:
		The functions in this module are available in the in-game API
		as well as in the mainmenu API.

		All functions that don't require either a Server or
		GUIEngine instance should be in here.
	*/

	// log([level,] text)
	// Writes a line to the logger.
	// The one-argument version logs to infostream.
	// The two-argument version accepts a log level.
	static int l_log(lua_State *L);

	// get us precision time
	static int l_get_us_time(lua_State *L);

	// parse_json(str[, nullvalue])
	static int l_parse_json(lua_State *L);

	// write_json(data[, styled])
	static int l_write_json(lua_State *L);

	// get_dig_params(groups, tool_capabilities[, time_from_last_punch])
	static int l_get_dig_params(lua_State *L);

	// get_hit_params(groups, tool_capabilities[, time_from_last_punch])
	static int l_get_hit_params(lua_State *L);

	// check_password_entry(name, entry, password)
	static int l_check_password_entry(lua_State *L);

	// get_password_hash(name, raw_password)
	static int l_get_password_hash(lua_State *L);

	// is_yes(arg)
	static int l_is_yes(lua_State *L);

	// get_builtin_path()
	static int l_get_builtin_path(lua_State *L);

	// compress(data, method, ...)
	static int l_compress(lua_State *L);

	// decompress(data, method, ...)
	static int l_decompress(lua_State *L);

	// mkdir(path)
	static int l_mkdir(lua_State *L);

	// get_dir_list(path, is_dir)
	static int l_get_dir_list(lua_State *L);

	// request_insecure_environment()
	static int l_request_insecure_environment(lua_State *L);

	// encode_base64(string)
	static int l_encode_base64(lua_State *L);

	// decode_base64(string)
	static int l_decode_base64(lua_State *L);

	// get_version()
	static int l_get_version(lua_State *L);

public:
	static void Initialize(lua_State *L, int top);
	static void InitializeAsync(lua_State *L, int top);
	static void InitializeClient(lua_State *L, int top);

	static void InitializeAsync(AsyncEngine &engine);
};
">return nil, nil end local conn2=0 while conn2<16 and not advtrains.is_track_and_drives_on(minetest.get_node(advtrains.dirCoordSet(pos, conn2)).name, advtrains.all_tracktypes) or conn2==conn1 do conn2=conn2+1 end if conn2>=16 then return conn1, nil end return conn1, conn2 end local modext={[0]="", "_30", "_45", "_60"} function advtrains.placetrack(pos, nnpref) local conn1, conn2=advtrains.find_adjacent_tracks(pos) if not conn1 and not conn2 then minetest.set_node(pos, {name=nnpref.."_st"}) elseif conn1 and not conn2 then local node1=minetest.get_node(advtrains.dirCoordSet(pos, conn1)) local node1_conn1, node1_conn2=advtrains.get_track_connections(node1.name, node1.param2) local node1_backconnects=(conn1+8)%16==node1_conn1 or (conn1+8)%16==node1_conn2 if not node1_backconnects and advtrains.trackplacer_modified_rails[node1.name] then --check if this rail has a dangling connection --TODO possible problems on |- situation if not advtrains.is_track_and_drives_on(minetest.get_node(advtrains.dirCoordSet(pos, node1_conn1)).name, advtrains.all_tracktypes) then if advtrains.trackplacer_dir_to_node_mapping[node1_conn1.."_"..((conn1+8)%16)] then minetest.set_node(advtrains.dirCoordSet(pos, conn1), advtrains.trackplacer_dir_to_node_mapping[node1_conn1.."_"..((conn1+8)%16)]) end elseif not advtrains.is_track_and_drives_on(minetest.get_node(advtrains.dirCoordSet(pos, node1_conn2)).name, advtrains.all_tracktypes) then if advtrains.trackplacer_dir_to_node_mapping[node1_conn2.."_"..((conn1+8)%16)] then minetest.set_node(advtrains.dirCoordSet(pos, conn1), advtrains.trackplacer_dir_to_node_mapping[node1_conn2.."_"..((conn1+8)%16)]) end end end --second end will be free. place standard rail local modulo=conn1%4 minetest.set_node(pos, {name=nnpref.."_st"..modext[modulo], param2=(conn1-modulo)/4}) elseif conn1 and conn2 then if not advtrains.trackplacer_dir_to_node_mapping[conn1.."_"..conn2] then minetest.set_node(pos, {name=nnpref.."_st"}) return end local node1=minetest.get_node(advtrains.dirCoordSet(pos, conn1)) local node1_conn1, node1_conn2=advtrains.get_track_connections(node1.name, node1.param2) local node1_backconnects=(conn1+8)%16==node1_conn1 or (conn1+8)%16==node1_conn2 if not node1_backconnects and advtrains.trackplacer_modified_rails[node1.name] then --check if this rail has a dangling connection --TODO possible problems on |- situation if not advtrains.is_track_and_drives_on(minetest.get_node(advtrains.dirCoordSet(pos, node1_conn1)).name, advtrains.all_tracktypes) then if advtrains.trackplacer_dir_to_node_mapping[node1_conn1.."_"..((conn1+8)%16)] then minetest.set_node(advtrains.dirCoordSet(pos, conn1), advtrains.trackplacer_dir_to_node_mapping[node1_conn1.."_"..((conn1+8)%16)]) end elseif not advtrains.is_track_and_drives_on(minetest.get_node(advtrains.dirCoordSet(pos, node1_conn2)).name, advtrains.all_tracktypes) then if advtrains.trackplacer_dir_to_node_mapping[node1_conn2.."_"..((conn1+8)%16)] then minetest.set_node(advtrains.dirCoordSet(pos, conn1), advtrains.trackplacer_dir_to_node_mapping[node1_conn2.."_"..((conn1+8)%16)]) end end end local node2=minetest.get_node(advtrains.dirCoordSet(pos, conn2)) local node2_conn1, node2_conn2=advtrains.get_track_connections(node2.name, node2.param2) local node2_backconnects=(conn2+8)%16==node2_conn1 or (conn2+8)%16==node2_conn2 if not node2_backconnects and advtrains.trackplacer_modified_rails[node2.name] then --check if this rail has a dangling connection --TODO possible problems on |- situation if not advtrains.is_track_and_drives_on(minetest.get_node(advtrains.dirCoordSet(pos, node2_conn1)).name, advtrains.all_tracktypes) then if advtrains.trackplacer_dir_to_node_mapping[node2_conn1.."_"..((conn2+8)%16)] then minetest.set_node(advtrains.dirCoordSet(pos, conn2), advtrains.trackplacer_dir_to_node_mapping[node2_conn1.."_"..((conn2+8)%16)]) end elseif not advtrains.is_track_and_drives_on(minetest.get_node(advtrains.dirCoordSet(pos, node2_conn2)).name, advtrains.all_tracktypes) then if advtrains.trackplacer_dir_to_node_mapping[node2_conn2.."_"..((conn1+8)%16)] then minetest.set_node(advtrains.dirCoordSet(pos, conn2), advtrains.trackplacer_dir_to_node_mapping[node2_conn2.."_"..((conn2+8)%16)]) end end end minetest.set_node(pos, advtrains.trackplacer_dir_to_node_mapping[conn1.."_"..conn2]) end end advtrains.trackworker_cycle_nodes={ ["swr_cr"]="st", ["swr_st"]="st", ["st"]="cr", ["cr"]="swl_st", ["swl_cr"]="swr_cr", ["swl_st"]="swr_st", } function advtrains.register_track_placer(nnprefix, imgprefix, dispname) minetest.register_craftitem(nnprefix.."_placer",{ description = dispname, inventory_image = imgprefix.."_placer.png", wield_image = imgprefix.."_placer.png", on_place = function(itemstack, placer, pointed_thing) if pointed_thing.type=="node" then local pos=pointed_thing.above if minetest.registered_nodes[minetest.get_node(pos).name] and minetest.registered_nodes[minetest.get_node(pos).name].buildable_to then advtrains.placetrack(pos, nnprefix) if not minetest.setting_getbool("creative_mode") then itemstack:take_item() end end end return itemstack end, }) end minetest.register_craftitem("advtrains:trackworker",{ description = "Track Worker Tool\n\nLeft-click: change rail type (straight/curve/switch)\nRight-click: rotate rail", groups = {cracky=1}, -- key=name, value=rating; rating=1..3. inventory_image = "advtrains_trackworker.png", wield_image = "advtrains_trackworker.png", stack_max = 1, on_place = function(itemstack, placer, pointed_thing) if pointed_thing.type=="node" then local pos=pointed_thing.under local node=minetest.get_node(pos) if not advtrains.is_track_and_drives_on(minetest.get_node(pos).name, advtrains.all_tracktypes) then return end if advtrains.is_train_at_pos(pos) then return end local nodeprefix, railtype, rotation=string.match(node.name, "^([^_]+)_([^_]+)(_?.*)$") --print(node.name.."\npattern recognizes:"..nodeprefix.." / "..railtype.." / "..rotation) if not advtrains.trackworker_cycle_nodes[railtype] then print("[advtrains]rail not workable by trackworker") return end if rotation==modext[#modext] then --increase param2 minetest.set_node(pos, {name=nodeprefix.."_"..railtype..modext[0], param2=(node.param2+1)%4}) return else local modpos for k,v in pairs(modext) do if v==rotation then modpos=k end end if not modpos then print("[advtrains]rail not workable by trackworker") return end minetest.set_node(pos, {name=nodeprefix.."_"..railtype..modext[modpos+1], param2=node.param2}) end advtrains.invalidate_all_paths() end end, on_use=function(itemstack, user, pointed_thing) if pointed_thing.type=="node" then local pos=pointed_thing.under local node=minetest.get_node(pos) if not advtrains.is_track_and_drives_on(minetest.get_node(pos).name, advtrains.all_tracktypes) then return end if advtrains.is_train_at_pos(pos) then return end local nodeprefix, railtype, rotation=string.match(node.name, "^([^_]+)_([^_]+)(_?.*)$") if not advtrains.trackworker_cycle_nodes[railtype] then print("[advtrains]trackworker does not know what to set here...") return end minetest.set_node(pos, {name=nodeprefix.."_"..advtrains.trackworker_cycle_nodes[railtype]..rotation, param2=node.param2}) --invalidate trains advtrains.invalidate_all_paths() end end, })