Difference between revisions of "Changelog"
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ShadowNinja (talk | contribs) (→0.4.8 → ?: Update) |
ShadowNinja (talk | contribs) (MirceaKitsune -> Taoki) |
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* Shaders rework ''(RealBadAngel)'' | * Shaders rework ''(RealBadAngel)'' | ||
* Add configurable font shadow ''(Xyz)'' | * Add configurable font shadow ''(Xyz)'' | ||
− | * Directional fog + horizon colors ''( | + | * Directional fog + horizon colors ''(Taoki)'' |
'''Other things''' | '''Other things''' |
Revision as of 17:32, 17 December 2013
0.4.8 → ?
New Features
Logistic changes
- SQLite rollback (Mario Barrera & ShadowNinja)
- Implement HTTPFetch (kahrl)
- Replace SimpleThread with JThread (sapier)
Visual changes
- Shaders rework (RealBadAngel)
- Add configurable font shadow (Xyz)
- Directional fog + horizon colors (Taoki)
Other things
- Implement modstore search tab and version picker (sapier)
Bug Fixes
- Fix line_of_sight() (sapier)
- Fix modstore/favourites hang by adding asynchronous Lua (sapier)
- Fix LevelDB maps (sfan5)
- Fix Lua maphen override param handling (kwolekr)
- Fix leak and possible segfault in minetest.set_mapgen_params (kwolekr)
- Fix segfault in indev cave generation due to uninitialized variable (kwolekr)
- Check if width, height or start index of a list[] is negative (PilzAdam)
- Fix socket.h include order for MSVC (BlockMen)
- Fix single character formspec field labels (BlockMen)
- Handle Lua errors in on_generate callbacks instead of throwing SIGABRT (kwolekr)
- Update mapgen params in ServerMap after Mapgen init (kwolekr)
- Add area parameters back to calc_lighting() and set_lighting() (kwolekr)
- Add get_light_data() and set_light_data() to LuaVoxelManip (kwolekr)
- Add minetest.swap_node (Novatux)
- Assume a selection box for fences (0gb.us)
- Decoration: Add schematic Y-slice probability support (kwolekr)
- Add sneak and sneak_glitch in set_physics_override() (PilzAdam)
- Use a table in set_physics_override() (PilzAdam)
- Add 'on_prejoinplayer' callback (kaeza)
- Make line_of_sight return blocking node position (stujones11)
- Remove support for optdepends.txt (ShadowNinja)
- Add map feature generation notify Lua API (kwolekr)
0.4.7 → 0.4.8
New Features
Big gameplay changes:
- Added drowning (PilzAdam, RealBadAngel, BlockMen)
- Added weather support (proller)
Smaller gameplay tweaks:
- Added new sounds (someone who can't decide if he wants to be called mitori or mito551)
- Don't predict placing and removing nodes if interact privilege is missing (PilzAdam)
Logistic changes:
- Clean up rendering code a bit (increases FPS by 5 to 10) (Exio)
- Added support for IPv6 (matttpt)
- Don't write player files all the time if they are not modified (PilzAdam)
- Made the main menu Lua based (sapier, kahrl)
- Change static ContentFeatures array into a vector (rathgit, kahrl)
- Allow multiple singleplayer games at the same time (PilzAdam)
- Added texture pack selection to main menu (Novatux)
- Don't write files directly but rather write to a temporary file that gets renamed after succesfully written; fixes many causes of corrupted files (PilzAdam)
- Adjust the Lua API structure and improve header inclusion to decrease compile time (kahrl)
- Database abstraction, LevelDB support (sfan5, wieszak, xyz)
Visual changes:
- Added support for bumpmapping (RealBadAngel)
- Added diagonal liquid animation (kahrl)
- Damage updates and effects are now sent to other players (PilzAdam)
Other things
- Play
player_damage.ogg
when recieving damage andplayer_falling_damage.ogg
on falling damage (PilzAdam) - Added basic unicode support to the console in Linux (Exio)
- Added a setting for max loop count per step in liquid update (PilzAdam)
- Added math mapgen with fractal based worlds (proller)
- Disallow the name 'singleplayer' in a multiplayer server (PilzAdam)
- Added
max_objects_per_block
to minetest.conf to control the maximum number of static objects per block (Novatux) - Removed broken farmesh (kahrl)
- Added
language
setting tominetest.conf
which forces Minetest to use specified translation (xyz)
Bug Fixes
- Fixed
print(nil)
crashing the server (kahrl) - Fixed output of profiler (F6) when using freetype (kahrl)
- Fixed bug where wrong item is selected when dropping something in the inventory on another stack (kahrl)
- Fixed lighting bug caused by disappearing lava (PilzAdam)
- Fixed /unban command crashing the server (kahrl)
- Fixed lighting bug with 6d facedir (RealBadAngel)
- Fixed and improved view range tuner (celeron55)
- Fixed and improved anticheat (celeron55)
- Fixed server getting completely choked up on even a little of DoS (celeron55)
- Fixed crack overlay for animated textures (kahrl)
- Added fallback font for Chinese, Japanese and Korean languages, the translations in those languages can now be displayed (xyz)
- Fixed most object duplication bugs (celeron55)
- Added ingame modstore to download mods from mmdb (sapier)
- Added
minetest.register_decoration()
(kwolekr) - Added schematic support; new functions
minetest.place_schematic()
andminetest.create_schematic()
(kwolekr) - Seperated formspecs of furnace and chests to provide override by mods (BlockMen)
- Added Lua VoxelManip (kwolekr) http://forum.minetest.net/viewtopic.php?id=6396
- Added vector helpers (ShadowNinja)
- Added
range
to item definition (PilzAdam) - Added
after_use
to item definition (Novatux) - Added
liquid_range
to node definition (PilzAdam) - Added
collide_with_objects
to entitiy definition, to disable object <-> object collision (PilzAdam) - Added
minetest.facedir_to_dir()
and 6d facedir support forminetest.dir_to_facedir()
(hdastwb) - Added gettext for
image_button
(BlockMen) - Added
stepheight
to entity definition (sapier) - Added support for multiple
wherein nodes in
minetest.register_ore()
(PilzAdam) - Added
minetest.register_on_cheat()
(celeron55) - Added
automatic_face_movement_dir
to entity definition (sapier) - Added
player:hud_set_hotbar_image()
andplayer:hud_set_hotbar_selected_image()
(PilzAdam, BlockMen) - Added percent scaling for HUD images (BlockMen, kahrl)
- Added
minetest.get_gametime()
(Novatux) - Moved tree growing and grass growing ABMs to Lua (Novatux)
- Added
minetest.register_on_craft()
andminetest.register_craft_predict()
(Novatux)
Formspec Additions/Changes:
pwdfield
, vertlabel
, tabheader
, dropdown
and checkbox
(sapier)
<noclip>;<drawborder>;<pressed texture name>
options for image_button (sapier, BlockMen)
textlist
and box
with color support (sapier, sfan5)
listcolors
and bgcolor
(BlockMen, kahrl)
<auto_clip>
option for background images (BlockMen)
- Added support for a callbeck on formspec close (Novatux)
0.4.6 → 0.4.7
0.4.7 was released on June 6, 2013.
New Features
Big gameplay changes:
- Added snow, snow block, ice and dirt with snow (PilzAdam)
- Added sandstone bricks and desert stone bricks (PilzAdam & VanessaE)
- Added coal block, crafted out of 9 coal lumps (Zeg9)
- Added flowers to craft dyes; flowers and grass grow now on dirt_with_grass (0gb.us, PilzAdam, VanessaE, ironzorg)
- Added farming mod; wheat can be used to bake bread and cotton can be used to craft wool (PilzAdam) http://forum.minetest.net/viewtopic.php?id=6067
Smaller gameplay tweaks:
- Added a little delay for falling nodes to update so that the objects don't spawn all at once (PilzAdam)
- Added private messaging with
/msg
(ShadowNinja)
- Added copper block (RealBadAngel)
- Swing the camera down when the player lands on the ground; disabled by default;
fall_bobbing_amount
in minetest.conf (Taoki)
- Node placement prediction now accounts for "wallmounted", "facedir" and "attached_node" nodes and only replaces "buildable_to" nodes (kahrl, ShadowNinja & PilzAdam)
- Added
disable_fire
setting to disable fire burning (ShadowNinja)
- Added damage to the hand in creative mode (PilzAdam)
- Added a little animation when changing the wielded item (PilzAdam & blue42u)
- Apples now fall when the tree decays (PilzAdam & BlockMen)
Logistic changes:
- Added mapgen v7; not usable currently (kwolekr)
- Added support for LuaJIT, makes mod execution much faster (RealBadAngel)
- Move cave generation to cavegen.cpp and restructure it into a class (kwolekr)
- Added icons to select games in menu;
menu/menu_<background/overlay/header/footer>.png
of selected game is used in the main menu (TP can use <gameid>_menu_<background/overlay/header/footer>.png
) (celeron55)
- Added
--videomodes
option to show available video modes (kahrl)
- Added ability to play
main_menu.ogg
(main_menu.<1-9>.ogg
are supported too; they are choosen randomly if present) in main menu (RealBadAngel)
- Drop common mods system, Survival and Build game; minetest_game includes all common mods and the bones mod from Survival now (PilzAdam) http://forum.minetest.net/viewtopic.php?id=6034
- Changed mod system a bit: All user mods are installed in
$path_user/mods/
now; they can be enabled per world in the configure world window or in world.mt
with load_mod_<modname>
(PilzAdam) http://forum.minetest.net/viewtopic.php?id=6066
- Split
init.lua
of the default mod into several files (PilzAdam)
- Moved scriptapi to a subfolder (sapier, celeron55 & kahrl)
Visual changes:
- Changed "unknown block" texture to "unknown node" (khonkhortisan)
- Changed textures of sand, desert sand and desert stone (VanessaE)
crosshair.png
is used instead of the normal crosshair if present (dannydark & Exio4)
- Added progress bar and clouds to loading screen (Zeg9)
- Added new textures for all metal and diamond blocks (Zeg9)
- Added new Minetest header (BlockMen)
Other things
- Added
mouse_sensitivity
option (Exio4)
Bug Fixes
- Check if the address field is empty when hitting enter on the multiplayer tab (ShadowNinja)
- Limit speed in collisionMoveResult for avoiding hangs (Exio4)
- Fixed camera "jumping" when attached and the parent goes too fast (Zeg9)
- Fixed nick completion in chat console with the tab key (PilzAdam)
- Do not always move fast in water and ladders when aux1_descend it true (Taoki)
- Fixed a lot memory leaks (sapier, PilzAdam, kahrl, kwolekr)
- Fixed import of older maps (kwolekr)
- Fixed black trees (kwolekr)
- Fixed small objects colliding with themselves (sapier)
- Fixed
get_craft_recipe()
and get_all_craft_recipes()
(RealBadAngel)
- Fixed spawning too high above ground (kwolekr)
- Fixed object -> player collision (sapier)
- Fixed favorite server list in globally installed versions of Minetest (RUN_IN_PLACE=0) (Zeg9)
- Fixed favorite server list on windows (sfan5)
- Fixed handling of mods in games in the configure world GUI (kahrl)
- Fixed static data of objects not beeing stored correctly on deactivation (sapier)
- Removed Meshbuffer ran out of indices limitation (kahrl)
- Fixed
isBlockInSight()
for higher FOV (Warr1024)
- Don't teleport back when a player is detached or turns free move off and holds shift (PilzAdam)
- Fixed bug where you need to move the mouse after closing a menu (kahrl)
- Reduced
/clearobjects
memory consumption; max_clearobjects_extra_loaded_blocks
in minetest.conf (kahrl)
- Corrected segfault when registering new biomes (sweetbomber)
- Reduced video memory consumption by not generating unnecessary
[forcesingle
textures (kahrl)
- Close console when it loses focus but it is still on screen (Exio4)
- Added
player:set_physics_override()
to set per-player physics (Taoki & PilzAdam)
- Use
node_box
for selection_box
if drawtype = "nodebox"
and selection_box = nil
(kaeza)
- Added
minetest.env:line_of_sight()
and minetest.env:find_path()
(sapier)
- Added API functions to add elements to the HUD of players (blue42u, kwolekr & kaeza)
- Added option to not prepend "Server -!- " to messages sent with
minetest.chat_send_player()
(ShadowNinja)
- Added
minetest.get_player_ip()
(ShadowNinja)
- Added
use_texture_alpha
in node definition to use alpha channel of node texture (kwolekr)
- Added
glasslike_framed
node drawtype (RealBadAngel)
- Added optional dependencies and different mod name conflict handling (kahrl)
- Use group
soil
for nodes where saplings can grow on (ShadowNinja)
- Nodes with drawtype
raillike
connect to all other nodes with the same drawtype if they are in the connect_to_raillike
group (Jeija)
- Env functions are now in the global minetest table; that means they are called via
minetest.<function>
instead of minetest.env:<function>
(sapier, celeron55 & kahrl)
- Added
obj:set_hotbar_itemcount()
(kahrl)
0.4.5 → 0.4.6
0.4.6 was released on April 3, 2013.
New Features
Big gameplay changes:
- Added lavacooling near water; lava source turns into obsidian, flowing lava turns into stone (PilzAdam)
- Added junglewood (with stairs and slabs), jungleleaves and junglesaplings (PilzAdam)
- Added obsidian, obsidian shards and obsidian glass (PilzAdam & jojoa1997)
- Added grass (5 different heights) (PilzAdam)
- Added growing for papyrus (on dirt and grass near water) and cactus (on sand) (PilzAdam)
- Added stonebricks crafted from 4 stones (PilzAdam)
- Added gold (PilzAdam)
- Added diamonds and diamond tools, wich are slightly faster and wear out slower than mese tools (PilzAdam)
- Added mese axe, shovel and sword; mese pick is not the ultimate tool anymore (PilzAdam)
- Added copper, bronze and bronze tools; bronze can be crafted with copper ingot and steel ingot; bronze tools have same digging times but more uses than steel tools (PilzAdam)
Smaller gameplay tweaks:
- 3 nodes now give 6 slabs instead of 3 (PilzAdam)
- Wooden stairs and slabs are now flammable (PilzAdam)
- Lava is not renewable anymore (PilzAdam)
- It is not possible anymore to place non-fuel items in the fuel slot or any item in the output slots of the furnace (PilzAdam)
- Falling nodes now destroy solid buildable_to nodes (Splizard)
- Added ability for buckets to pick up flowing water when liquid_finite is enabled (ShadowNinja)
- Use right click to place liquids with buckets; added description for buckets (PilzAdam & ShadowNinja)
- Fixed furnace infotext saying "Furnace out of fuel" when placing a fuel but no item to cook into it (PilzAdam)
- Made Mese ores a bit more rare; made Mese blocks very rare (PilzAdam)
- Added object <-> object collision (sapier)
Map generation changes:
- Readded dungeons (disabled by default, enable with "dungeons" flag in "mg_flags" setting) (kwolekr)
- Speed up lighting a lot (kwolekr)
- Readded jungles (disabled by default, enable with "jungles" flag in "mg_flags" setting) (kwolekr)
- Generate apple trees (kwolekr)
- Moved ore generation back to core; improved ore generation speed (kwolekr)
- Added
singlenode
mapgen (celeron55)
- Added a new map generator called
indev
(float islands at 500+, rare HUGE caves, near edges: higher mountains, larger biomes) (proller)
Visual changes:
- Changed textures of cobblestone and mossy cobblestone (PilzAdam)
Logistic changes:
- Split scriptapi.cpp into more files (sapier)
- Migrate to STL containers/algorithms (xyz)
- Added the pseudo game common with bucket, default, stairs, doors and fire mods included; deleted those mods from minetest_game (celeron55 & PilzAdam)
- Added a checkbox for finite liquids to settings menu (proller)
Other things
- Use moving clouds as background for the main menu (Krisi & ShadowNinja)
- minetest.env:find_nodes_near() optimized to be 11.65x faster, ServerEnvironment step CPU consumption cut in half (kwolekr)
Bug Fixes
- Fixed build with ogles2 driver (proller)
- Fixed new_style_water (shaders are not used for this anymore) (PilzAdam)
- Fixed backface_culling in tiledef; both sides of flowing liquids are now visible (doserj)
- Hopefully fix node replacement bug (where the node that is pointed at is replaced) (0gb.us)
- Added
minetest.get_all_craft_recipes(output)
(RealBadAngel)
- Allow any character in formspec strings with escape characters (kwolekr)
- Added ability to pass multiple parameters to
minetest.after()
(Jeija)
- Added
player:set_look_yaw()
and player:set_look_pitch()
(RealBadAngel)
- Added ability to load mods from the pseudo game common via
common_mods
in game.conf (celeron55)
- Added support for a minetest.conf file in games, wich override the default values (celeron55)
- Added 6d facedir to rotate nodes with facedir drawtype (RealBadAngel)
- Added function and wrapper to predict and assign 6d rotation via
minetest.rotate_and_place()
(VanessaE and EvergreenTree)
- Added
minetest.add_particle()
, minetest.add_particlespawner()
and minetest.delete_particlespawner()
(Jeija)
- Added
minetest.register_ore()
to let the engine generate the ores; default.generate_ore()
is now deprecated (kwolekr)
- New damage system added as described here: Damage_system (PilzAdam & celeron55)
- Added
place
field to sound table of tools (PilzAdam)
0.4.4 → 0.4.5
0.4.5 was released on March 4, 2013.
New Features
Big gameplay changes:
- Added Mese crystals and Mese crystal fragments (crafted from 1 Mese crystal); Mese blocks can be crafted with 9 Mese crystals; Mese pickaxes are now crafted using Mese crystals; old Mese equals the new Mese block and is still generated at altitudes -1024 and below (VanessaE & PilzAdam)
- Doors must now be right clicked to be opened (PilzAdam)
- Flying through walls now requires the "noclip" privilege and noclip mode must be enabled by pressing H (PilzAdam)
- Added a list of servers to the "Multiplayer" tab of the main menu (Jeija)
- Added a mod selection menu (doserj)
- Jungle grass now spawns naturally again (PilzAdam)
- Added finite liquid support, experimental and disabled by default (proller)
Smaller gameplay tweaks:
- Locked chest contents are now only shown to their owner (PilzAdam)
- Added ability to write several lines on a sign (PilzAdam)
- When sneaking, the current node/item will always be used when right clicking even if pointing a chest or a furnace (Jeija)
- In creative mode, hand now breaks everything nearly instantly and nodes/items are infinite (PilzAdam)
- Player physics are now tweakable by server admin (Taoki)
- Fast mode can now be used in liquids and in climbable nodes (kwolekr)
- Fire is now "buildable to" (Casimir)
- To fly at "fast" speed, the "use" key must now be held if using shift to descend (PilzAdam)
- Added upside down stairs and slabs (PilzAdam)
- Added ability to switch to fly_mode when double-tapping space bar, disabled by default; can be enabled in the key change menu (PilzAdam)
- Tweaked damage and punch times of weapons, tools and hand (Calinou)
- Added repeated right clicking when holding the right mouse button, see "repeat_rightclick_time" setting in minetest.conf (Jeija)
Map generation changes:
- Added L-system tree generation (RealBadAngel & dannydark)
- Map generation is now slightly faster and can be tweaked in minetest.conf (kwolekr)
- Added optional flat map generation, with and without trees (kwolekr)
Visual changes:
- Mese pickaxe now has a new texture, which is more yellow (Jordach)
- Tweaked dirt texture so that it tiles better; improved lump and ingot textures; added fake shading to the default player texture (Iqualfragile & GloopMaster & Jordach)
- Added particles when digging blocks (Jeija & PilzAdam)
- The selection box of stairs now fits the stairs (PilzAdam)
- If damage is disabled, damage screen is disabled and health is not shown on the HUD (PilzAdam)
- Damage screen is now red fade instead of constant red; camera now tilts when receiving damage (Jeija & PilzAdam)
- Added "selectionbox_color", "crosshair_color" and "crosshair_alpha" minetest.conf settings for changing selection outline color, crosshair color and crosshair opacity respectively (Exio4)
Logistic changes:
- Minetest-c55 is now named Minetest
- Less stuff is now put in debug.txt by default, change with debug_log_level, default is 2
- Texture atlas is now disabled by default (kwolekr)
- Added and updated language translations; French, German, Portuguese, Polish and Spanish translations are 100% complete (Calinou, kaeza, PilzAdam, sfan5, xyz, kotolegokot, pandaro, Mito551, Shen Zheyu, sub reptice, elagin, KikaRz and socramazibi)
- Added support for downloading media from a server using cURL which is faster, disabled by default (Ilya Zhuravlev)
Bug Fixes
- Walking on stairs, slabs and glass now makes sounds (PilzAdam & dannydark)
- Fixed and cleaned EmergeThread around a bit (kwolekr)
- Punching entities and players with shovels and pickaxes now deals damage (Calinou)
- Fixed some caves having too many dead ends (unknown)
- Fixed the looks of some plantlike nodes by using two long planes instead of four shorter planes (doserj)
- Grass no longer turns into dirt below unloaded blocks (PilzAdam)
- Fixed a crash when clicking "Configure" when no world is selected in Singleplayer menu (doserj)
- Fixed dropped item collision with nodeboxes (jordan4ibanez)
- Fixed a glitch where the player gets liquids in his inventory when a server lags (PilzAdam)
- Added ability to change the itemstack in placenode callbacks (PilzAdam)
- Added ability to create multi-line textfields in formspecs (Jeija)
- Add on_rightclick(pos, node, clicker) callback for nodes (PilzAdam)
- Added minetest.show_fromspec(playername, formspec) to show formspecs via Lua (sapier)
0.4.3 → 0.4.4
0.4.4 was released on December 6, 2012. 0.4.4-d1 (an interim release made due to a protocol change) was released on Jan 2, 2013.
New Features
- Added animated 3D player and a new default skin, the default model also supports Minecraft skins (Taoki, skin by Jordach)
- Added shaders support (can be disabled in Settings menu), makes water a bit smaller than a full block, makes lighting look prettier (kahrl and celeron55)
- New default doors mod: doors have a 3D look, ability to create "double doors" added, added locked steel doors (only the owner of the door can open/close it) (PilzAdam)
- Improve map generation speed a lot (hmmmm)
- Day-night transitions are now smoother (celeron55)
- Water textures are now animated (RealBadAngel (textures) and PilzAdam)
- Added on-demand item previews (reduces load time/RAM usage), disabled by default (celeron55)
- Added 3D anaglyph support (red-cyan glasses) (xyz)
- Fire is now animated and causes damage to players (PilzAdam, Muadtralk (textures))
- Tweaked some textures: apple, nyan cat, bricks, papyrus, steel sword (Calinou, VanessaE)
- Tweaked digging animation (no more mining with the tip of your pickaxe!) (jordan4ibanez)
- Changed apple, sapling and papyrus selection box size to be smaller (VanessaE)
- Players who do not move no longer send their positions to save bandwidth (Taoki)
- Make steel block and brick drop themselves when dug and make them craftable back into their materials (PilzAdam)
- Glass now makes a sound when broken (PilzAdam)
- Dead players are now visible (Taoki)
- Changed default server tick to 0.1 second, decreasing server CPU usage (celeron55)
- Clients now send their position every 0.1 second too, making other player movement look smoother (celeron55)
- Use of /grant and /revoke commands is now logged (dannydark)
- Added ability for server to tweak amount of bandwidth used to upload mods to clients (celeron55)
Bug Fixes
- Fixed falling sand and gravel sometimes incorrectly landing (PilzAdam)
- Fixed empty bucket being named "emtpy bucket" (khonkhortisan and PilzAdam)
- Fixed slab to full block transformation (PilzAdam)
- Fixed smooth lighting between MapBlocks (celeron55)
- Prevent some blocks (leaves, falling sand and gravel) from giving air when dug when they disappear as you mine them (PilzAdam)
- Fixed papyruses and cacti growing inside trees (PilzAdam)
- Fixed flowing liquid animation direction calculation (celeron55)
- Fixed wielditem entity drawtype brightness control (celeron55)
- Fixed ObjectRef:punch() (celeron55)
- Fixed a rare bug in leaf decay (PilzAdam)
- Fixed trees growing into any type of node (xyz)
- Fixed server crashing when "/clearpassword" is typed without an argument (Uberi)
- Head no longer shifts downwards when you are inside transparent blocks such as glass or nodeboxes (Calinou)
- Directories beginning with a "." are now ignored when searching for mods on Windows (matttpt)
- Fixed the automagic render distance tuner (celeron55)
- Added 3D model support for entities (Taoki)
- Added attachment support (so that entities can "ride" other entities) (Taoki)
- Backgrounds and images can now be used in formspecs (RealBadAngel)
- Liquids can now be made non-renewable (xyz)
- Added nodedef.on_blast() to lua_api.txt in order to support chained explosions of any explosives (celeron55)
- Allow transparent image buttons (khonkhortisan)
- Added shutdown hook interface to Lua API (matttpt)
- Added "attached_node" group to make nodes which are not attached to any other walkable node drop (PilzAdam)