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* Nodebox: Allow nodeboxes to "connect"Auke Kok2016-03-12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We introduce a new nodebox type "connected", and allow these nodes to have optional nodeboxes that connect it to other connecting nodeboxes. This is all done at scenedraw time in the client. The client will inspect the surrounding nodes and if they are to be connected to, it will draw the appropriate connecting nodeboxes to make those connections. In the node_box definition, we have to specify separate nodeboxes for each valid connection. This allows us to make nodes that connect only horizontally (the common case) by providing optional nodeboxes for +x, -x, +z, -z directions. Or this allows us to make wires that can connect up and down, by providing nodeboxes that connect it up and down (+y, -y) as well. The optional nodeboxes can be arrays. They are named "connect_top, "connect_bottom", "connect_front", "connect_left", "connect_back" and "connect_right". Here, "front" means the south facing side of the node that has facedir = 0. Additionally, a "fixed" nodebox list present will always be drawn, so one can make a central post, for instance. This "fixed" nodebox can be omitted, or it can be an array of nodeboxes. Collision boxes are also updated in exactly the same fashion, which allows you to walk over the upper extremities of the individual node boxes, or stand really close to them. You can also walk up node noxes that are small in height, all as expected, and unlike the NDT_FENCELIKE nodes. I've posted a screenshot demonstrating the flexibility at http://i.imgur.com/zaJq8jo.png In the screenshot, all connecting nodes are of this new subtype. Transparent textures render incorrectly, Which I don't think is related to this text, as other nodeboxes also have issues with this. A protocol bump is performed in order to be able to send older clients a nodeblock that is usable for them. In order to avoid abuse of users we send older clients a "full-size" node, so that it's impossible for them to try and walk through a fence or wall that's created in this fashion. This was tested with a pre-bump client connected against a server running the new protocol. These nodes connect to other nodes, and you can select which ones those are by specifying node names (or group names) in the connects_to string array: connects_to = { "group:fence", "default:wood" } By default, nodes do not connect to anything, allowing you to create nodes that always have to be paired in order to connect. lua_api.txt is updated to reflect the extension to the node_box API. Example lua code needed to generate these nodes can be found here: https://gist.github.com/sofar/b381c8c192c8e53e6062
* GOTBLOCKS & DELETEBLOCKS: test packet size only oncenerzhul2016-02-23
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* Backface culling: Ignore setting in tiledef from old servers.Auke Kok2016-01-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | Outdated servers are always sending tiledefs with culling enabled no matter what, as the value was previously entirely ignored. To compensate, we must (1) detect that we're running against an old server with a new client, and (2) disable culling for mesh, plantlike, firelike and liquid draw types no matter what the server is telling us. In order to achieve this, we need to bump the protocol version since we cannot rely on the tiledef version, and test for it being older. I've bumped the protocol version, although that should have likely happened in the actual change that introduced the new backface_culling PR #3578. Fortunately that's only 2 commits back at this point. We also explicitly test for the drawtype to assure we are not changing the culling value for other nodes, where it should remain enabled. This was tested against various pub servers, including 0.4.13 and 0.4.12. Fixes #3598
* Cache disable_anticheat and check it for "interacted_too_far"ASL972016-01-09
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* Fix for commit 87dcee6 It uses the wrong variable and only covers some use ↵gregorycu2016-01-04
| | | | cases. This change covers all use cases.
* Prevent technically unsafe access with empty vectorgregorycu2016-01-03
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* Add on_secondary_use when right clicking an item in the airAlex Ford2015-12-02
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* Only allow players with shout to chatest312015-11-13
| | | | | | | | | | Fix regression of commit 5e507c9829942c434a6f1ae7a4f3a488c7e50bef "Add server side ncurses terminal" which allowed all players, even those without a shout priv, to chat. Fixes #3362.
* Add server side ncurses terminalest312015-11-06
| | | | | | | | | | | | | | | | | | | | | | | | This adds a chat console the server owner can use for administration or to talk with players. It runs in its own thread, which makes the user interface immune to the server's lag, behaving just like a client, except timeout. As it uses the same console code as the f10 console, things like nick completion or a scroll buffer basically come for free. The terminal itself is written in a general way so that adding a client version later on is just about implementing an interface. Fatal errors are printed after the console exists and the ncurses terminal buffer gets cleaned up with endwin(), so that the error still remains visible. The server owner can chose their username their entered text will have in chat and where players can send PMs to. Once the username is secured with a password to prevent anybody to take over the server, the owner can execute admin tasks over the console. This change includes a contribution by @kahrl who has improved ncurses library detection.
* Always use errorstream for DEBUG_EXCEPTION_HANDLERShadowNinja2015-10-14
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* Use warningstream for log messages with WARNINGShadowNinja2015-10-14
| | | | Remove DTIME macro and its uses, too
* Fix how address is logged when a wrong password is suppliedKahrl2015-10-12
| | | | | | - SRP: print the address only once, not twice - Legacy: previously the address was not printed at all - Make both messages structurally the same, to facilitate log analyzers
* Remove redundant code in player interact handlerkwolekr2015-10-04
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* Serialisation: documentation fixes, clarifying renames and whitespace fixesest312015-09-14
| | | | | | | | | | | | | | | 1. Do two renames: * SER_FMT_CLIENT_VER_LOWEST -> SER_FMT_VER_LOWEST_WRITE * SER_FMT_VER_LOWEST -> SER_FMT_VER_LOWEST_READ Now the two define values are consistently named with the _WRITE defines SER_FMT_VER_{HIGHEST,LOWEST}_WRITE, and to better point out what the two serialisation versions actually are for. 2. wrap some lines in doc/worldformat.txt, and point out that the node timers are serialized at a later point, as this can cause confusion about what now happens (if one doesn't strictly read the if block's conditions). 3. some whitespace fixes in NodeTimerList::serialize, and one new comment.
* networkprotocol.h: remove "u16 command" from docest312015-09-10
| | | | | | | Its obvious that "u16 command" is inside every packet, therefore this commit removes all mentions of the command, if non-array like notation is used. We already didn't add "u16 command" to new packets or removed it at packet changes, so now we remove it from existing packets.
* Hide minimap if it has been disabled by serverest312015-09-01
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* Change i++ to ++iDavid Jones2015-08-25
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* Clean up threadingShadowNinja2015-08-23
| | | | | | | | | | | | | | | | | | | | * Rename everything. * Strip J prefix. * Change UpperCamelCase functions to lowerCamelCase. * Remove global (!) semaphore count mutex on OSX. * Remove semaphore count getter (unused, unsafe, depended on internal API functions on Windows, and used a hack on OSX). * Add `Atomic<type>`. * Make `Thread` handle thread names. * Add support for C++11 multi-threading. * Combine pthread and win32 sources. * Remove `ThreadStarted` (unused, unneeded). * Move some includes from the headers to the sources. * Move all of `Event` into its header (allows inlining with no new includes). * Make `Event` use `Semaphore` (except on Windows). * Move some porting functions into `Thread`. * Integrate logging with `Thread`. * Add threading test.
* Remove unused function from connection.{cpp,h}nerzhul2015-08-15
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* Make NetworkPacket respect serialized string size limitskwolekr2015-08-10
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* Fix BufferedPacket race condition (fixes #2983)kwolekr2015-08-06
| | | | | This was caused by the use the non-threadsafe SharedBuffer in a threaded context.
* Fix critical vulnerabilities and bugs with NetworkPacketkwolekr2015-08-06
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* connection: Make assertions non-fatal for received datakwolekr2015-08-05
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* src/network/connection.h: Fix race conditionBřetislav Štec2015-08-01
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* Fix srp.cpp:815 leakest312015-07-27
| | | | Thanks @Zeno-
* Bump protocol to 26est312015-07-24
| | | | | | | This was needed due to the TileDef serialisation changes. Originally it has been planned to also add utf-8 based chat to 26, but chat changes aren't final yet, so they are done in one change, after the release, and not two small ones, causing us having to be compliant to three versions of the packet.
* Optional reconnect functionalityest312015-07-23
| | | | | | Enable the server to request the client to reconnect. This can be done with the now extended minetest.request_shutdown([reason], [reconnect]) setting.
* Ask auth handler to create auth when a default password is setest312015-07-21
| | | | | -> Fix server crash with protocol >=25 if a default password is set. -> Remove some useless and possibly confusion causing code for the TOCLIENT_FIRST_SRP packet handler
* Fix relief mapping issuesRealBadAngel2015-07-16
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* connection.cpp: remove unused constructorLoic Blot2015-07-14
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* Remove raw message output on AOM deserialization failurekwolekr2015-07-13
| | | | Improve TOCLIENT_ACTIVE_OBJECT_MESSAGES robustness for handling invalid data
* Fix damage flash when damage disabledkwolekr2015-07-10
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* Use UTF-8 instead of narrowest312015-07-08
| | | | | Use wide_to_utf8 and utf8_to_wide instead of wide_to_narrow and narrow_to_wide at almost all places. Only exceptions: test functions for narrow conversion, and chat, which is done in a separate commit.
* Client: better m_proto_ver initialisationest312015-07-07
| | | | | | | | Previously, m_proto_ver was set to the serialisation version inside the legacy init packet. Now, if the server doesn't send a protocol version (protocols < 25), we set m_proto_ver to some value < 25 and > 0.
* Typo fix on previous @est31 commitLoic Blot2015-06-23
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* Small TOCLIENT_HELLO logging fixest312015-06-23
| | | | | Fix grammar error and missing number conversion for version. Also add deployed protocol to log line.
* Use actionstream instead of errorstream when failing to emerge playerCraig Davison2015-06-23
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* Generic CAO cleanups and renames for clarificationest312015-06-20
| | | | | | | | * Use enum for GENERIC_CMD_* * Rename m_attachements to attachement_parent_ids (public member and clearer name) * Rename GENERIC_CMD_SET_ATTACHMENT to GENERIC_CMD_ATTACH_TO * USHRT_MAX + 1 buffer sizes to prevent overflows as @kahrl suggested * Remove unneccessary m_id from GenericCAO (shadowing protected superclass member for no reason) as @kahrl suggested
* Deny empty username early in the protocolest312015-05-22
| | | | Thanks to @UltimateNate for pointing this out :)
* Replace instances of std::map<std::string, std::string> with StringMapkwolekr2015-05-19
| | | | | | Also, clean up surrounding code style Replace by-value parameter passing with const refs when possible Fix post-increment of iterators
* Lower log level for unexpected behaviourest312015-05-19
| | | | | Its a possible mistake to log in to a server with twice the same name. Before, it triggered a server wide error message, now it logs to actionstream.
* Fix build since last commitest312015-05-16
| | | | Also rename method to better match what it does.
* Finalize init packets and enable protocol v25est312015-05-16
| | | | This enables srp.
* Make early protocol auth mechanism generic, and add SRPest312015-05-11
| | | | | | | Adds everything needed for SRP (and everything works too), but still deactivated, as protocol v25 init packets aren't final yet. Can be activated by changing the LATEST_PROTOCOL_VERSION header to 25 inside networkprotocol.h.
* Stop NetworkPacket methods from producing bloated packetsJay Arndt2015-05-05
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* Protocol 25: wstring -> string for custom access denial reasonsest312015-04-22
| | | | Also fix std::logic_error when server::DenyAccess() is used with only two arguments.
* Refactor around translatePasswordest312015-04-17
| | | | | | | Change types for passed password from wstring to string, which removes converting back and forth in most cases. Move the narrow_to_wide conversion, where its neccessary, closer to irrlicht. Remove trailing spaces in guiPasswordChange.cpp. Make parameters for translatePassword passed as const reference.
* Make comments consistent with TOSERVER_INIT -> TOSERVER_INIT_LEGACY renameest312015-04-07
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* TOCLIENT_ACTIVE_OBJECT_REMOVE_ADD can be unreliable, catch PacketError ↵Loic Blot2015-04-05
| | | | | | exception. Also set the packet size at creation not when pushing rawString, no functional change
* Fix uninitialized variabled in ConnectionEventLoic Blot2015-04-05
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