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# sumo
Knock other players off the platform to win
![](screenshot.png)
Contributors: Zughy, MisterE
Schematics for arenas can be found here:
https://notabug.org/MisterE123/sumo_arenas

306
chatcmdbuilder.lua Normal file
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ChatCmdBuilder = {}
function ChatCmdBuilder.new(name, func, def)
def = def or {}
local cmd = ChatCmdBuilder.build(func)
cmd.def = def
def.func = cmd.run
minetest.register_chatcommand(name, def)
return cmd
end
local STATE_READY = 1
local STATE_PARAM = 2
local STATE_PARAM_TYPE = 3
local bad_chars = {}
bad_chars["("] = true
bad_chars[")"] = true
bad_chars["."] = true
bad_chars["%"] = true
bad_chars["+"] = true
bad_chars["-"] = true
bad_chars["*"] = true
bad_chars["?"] = true
bad_chars["["] = true
bad_chars["^"] = true
bad_chars["$"] = true
local function escape(char)
if bad_chars[char] then
return "%" .. char
else
return char
end
end
local dprint = function() end
ChatCmdBuilder.types = {
pos = "%(? *(%-?[%d.]+) *, *(%-?[%d.]+) *, *(%-?[%d.]+) *%)?",
text = "(.+)",
number = "(%-?[%d.]+)",
int = "(%-?[%d]+)",
word = "([^ ]+)",
alpha = "([A-Za-z]+)",
modname = "([a-z0-9_]+)",
alphascore = "([A-Za-z_]+)",
alphanumeric = "([A-Za-z0-9]+)",
username = "([A-Za-z0-9-_]+)",
}
function ChatCmdBuilder.build(func)
local cmd = {
_subs = {}
}
function cmd:sub(route, func, def)
dprint("Parsing " .. route)
def = def or {}
if string.trim then
route = string.trim(route)
end
local sub = {
pattern = "^",
params = {},
func = func
}
-- End of param reached: add it to the pattern
local param = ""
local param_type = ""
local should_be_eos = false
local function finishParam()
if param ~= "" and param_type ~= "" then
dprint(" - Found param " .. param .. " type " .. param_type)
local pattern = ChatCmdBuilder.types[param_type]
if not pattern then
error("Unrecognised param_type=" .. param_type)
end
sub.pattern = sub.pattern .. pattern
table.insert(sub.params, param_type)
param = ""
param_type = ""
end
end
-- Iterate through the route to find params
local state = STATE_READY
local catching_space = false
local match_space = " " -- change to "%s" to also catch tabs and newlines
local catch_space = match_space.."+"
for i = 1, #route do
local c = route:sub(i, i)
if should_be_eos then
error("Should be end of string. Nothing is allowed after a param of type text.")
end
if state == STATE_READY then
if c == ":" then
dprint(" - Found :, entering param")
state = STATE_PARAM
param_type = "word"
catching_space = false
elseif c:match(match_space) then
print(" - Found space")
if not catching_space then
catching_space = true
sub.pattern = sub.pattern .. catch_space
end
else
catching_space = false
sub.pattern = sub.pattern .. escape(c)
end
elseif state == STATE_PARAM then
if c == ":" then
dprint(" - Found :, entering param type")
state = STATE_PARAM_TYPE
param_type = ""
elseif c:match(match_space) then
print(" - Found whitespace, leaving param")
state = STATE_READY
finishParam()
catching_space = true
sub.pattern = sub.pattern .. catch_space
elseif c:match("%W") then
dprint(" - Found nonalphanum, leaving param")
state = STATE_READY
finishParam()
sub.pattern = sub.pattern .. escape(c)
else
param = param .. c
end
elseif state == STATE_PARAM_TYPE then
if c:match(match_space) then
print(" - Found space, leaving param type")
state = STATE_READY
finishParam()
catching_space = true
sub.pattern = sub.pattern .. catch_space
elseif c:match("%W") then
dprint(" - Found nonalphanum, leaving param type")
state = STATE_READY
finishParam()
sub.pattern = sub.pattern .. escape(c)
else
param_type = param_type .. c
end
end
end
dprint(" - End of route")
finishParam()
sub.pattern = sub.pattern .. "$"
dprint("Pattern: " .. sub.pattern)
table.insert(self._subs, sub)
end
if func then
func(cmd)
end
cmd.run = function(name, param)
for i = 1, #cmd._subs do
local sub = cmd._subs[i]
local res = { string.match(param, sub.pattern) }
if #res > 0 then
local pointer = 1
local params = { name }
for j = 1, #sub.params do
local param = sub.params[j]
if param == "pos" then
local pos = {
x = tonumber(res[pointer]),
y = tonumber(res[pointer + 1]),
z = tonumber(res[pointer + 2])
}
table.insert(params, pos)
pointer = pointer + 3
elseif param == "number" or param == "int" then
table.insert(params, tonumber(res[pointer]))
pointer = pointer + 1
else
table.insert(params, res[pointer])
pointer = pointer + 1
end
end
if table.unpack then
-- lua 5.2 or later
return sub.func(table.unpack(params))
else
-- lua 5.1 or earlier
return sub.func(unpack(params))
end
end
end
return false, "Invalid command"
end
return cmd
end
local function run_tests()
if not (ChatCmdBuilder.build(function(cmd)
cmd:sub("bar :one and :two:word", function(name, one, two)
if name == "singleplayer" and one == "abc" and two == "def" then
return true
end
end)
end)).run("singleplayer", "bar abc and def") then
error("Test 1 failed")
end
local move = ChatCmdBuilder.build(function(cmd)
cmd:sub("move :target to :pos:pos", function(name, target, pos)
if name == "singleplayer" and target == "player1" and
pos.x == 0 and pos.y == 1 and pos.z == 2 then
return true
end
end)
end).run
if not move("singleplayer", "move player1 to 0,1,2") then
error("Test 2 failed")
end
if not move("singleplayer", "move player1 to (0,1,2)") then
error("Test 3 failed")
end
if not move("singleplayer", "move player1 to 0, 1,2") then
error("Test 4 failed")
end
if not move("singleplayer", "move player1 to 0 ,1, 2") then
error("Test 5 failed")
end
if not move("singleplayer", "move player1 to 0, 1, 2") then
error("Test 6 failed")
end
if not move("singleplayer", "move player1 to 0 ,1 ,2") then
error("Test 7 failed")
end
if not move("singleplayer", "move player1 to ( 0 ,1 ,2)") then
error("Test 8 failed")
end
if move("singleplayer", "move player1 to abc,def,sdosd") then
error("Test 9 failed")
end
if move("singleplayer", "move player1 to abc def sdosd") then
error("Test 10 failed")
end
if not (ChatCmdBuilder.build(function(cmd)
cmd:sub("does :one:int plus :two:int equal :three:int", function(name, one, two, three)
if name == "singleplayer" and one + two == three then
return true
end
end)
end)).run("singleplayer", "does 1 plus 2 equal 3") then
error("Test 11 failed")
end
local checknegint = ChatCmdBuilder.build(function(cmd)
cmd:sub("checknegint :x:int", function(name, x)
return x
end)
end).run
if checknegint("checker","checknegint -2") ~= -2 then
error("Test 12 failed")
end
local checknegnumber = ChatCmdBuilder.build(function(cmd)
cmd:sub("checknegnumber :x:number", function(name, x)
return x
end)
end).run
if checknegnumber("checker","checknegnumber -3.3") ~= -3.3 then
error("Test 13 failed")
end
local checknegpos = ChatCmdBuilder.build(function(cmd)
cmd:sub("checknegpos :pos:pos", function(name, pos)
return pos
end)
end).run
local negpos = checknegpos("checker","checknegpos (-13.3,-4.6,-1234.5)")
if negpos.x ~= -13.3 or negpos.y ~= -4.6 or negpos.z ~= -1234.5 then
error("Test 14 failed")
end
local checktypes = ChatCmdBuilder.build(function(cmd)
cmd:sub("checktypes :int:int :number:number :pos:pos :word:word :text:text", function(name, int, number, pos, word, text)
return int, number, pos.x, pos.y, pos.z, word, text
end)
end).run
local int, number, posx, posy, posz, word, text
int, number, posx, posy, posz, word, text = checktypes("checker","checktypes -1 -2.4 (-3,-5.3,6.12) some text to finish off with")
--dprint(int, number, posx, posy, posz, word, text)
if int ~= -1 or number ~= -2.4 or posx ~= -3 or posy ~= -5.3 or posz ~= 6.12 or word ~= "some" or text ~= "text to finish off with" then
error("Test 15 failed")
end
dprint("All tests passed")
end
if not minetest then
run_tests()
end

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commands.lua Normal file
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ChatCmdBuilder.new("wormball", function(cmd)
-- create arena
cmd:sub("create :arena", function(name, arena_name)
arena_lib.create_arena(name, "wormball", arena_name)
end)
cmd:sub("create :arena :minplayers:int :maxplayers:int", function(name, arena_name, min_players, max_players)
arena_lib.create_arena(name, "wormball", arena_name, min_players, max_players)
end)
-- remove arena
cmd:sub("remove :arena", function(name, arena_name)
arena_lib.remove_arena(name, "wormball", arena_name)
end)
-- list of the arenas
cmd:sub("list", function(name)
arena_lib.print_arenas(name, "wormball")
end)
-- enter editor mode
cmd:sub("edit :arena", function(sender, arena)
arena_lib.enter_editor(sender, "wormball", arena)
end)
-- enable and disable arenas
cmd:sub("enable :arena", function(name, arena)
arena_lib.enable_arena(name, "wormball", arena)
end)
cmd:sub("disable :arena", function(name, arena)
arena_lib.disable_arena(name, "wormball", arena)
end)
end, {
description = [[
(/help wormball)
Use this to configure your arena:
- create <arena name> [min players] [max players]
- edit <arena name>
- enable <arena name>
Other commands:
- remove <arena name>
- disable <arena>
]],
privs = { wormball_admin = true }
})

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description.txt Normal file
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A multiplayer nibbles clone for arena_lib

60
init.lua Normal file
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wormball = {}
wormball.colors = {yellow = "fcba03",
orangered = "fc2803",
darkred = "a10000",
lightgreen = "80ff00",
aqua = "00ff84",
lightblue = "0084ff",
darkblue = "0d00ff",
purple = "8000ff",
lightpurple = "ee00ff",
pink = "ff006f"}
arena_lib.register_minigame("wormball", {
prefix = "[Wormball] ",
--hub_spawn_point = { x = 0, y = 20, z = 0 },
show_minimap = false,
time_mode = 1,
load_time = 5,
min_players = 1,
max_players = 10,
join_while_in_progress = false,
keep_inventory = false,
in_game_physics = {
speed = 0,
jump = 0,
sneak = false,
gravity = 0,
},
show_nametags = true,
hotbar = {
slots = 0,
},
disabled_damage_types = {"punch","fall"},
properties = {
area_to_clear_after_game_pos_1 = {x = 0, y = 0, z = 0},
area_to_clear_after_game_pos_2 = {x = 0, y = 0, z = 0},
},
player_properties = {
alive = true,
direction = {x=0,y=1,z=0},
nodes = {},
score = 1,
color = "",
apple = false,
},
})
if not minetest.get_modpath("lib_chatcmdbuilder") then
dofile(minetest.get_modpath("wormball") .. "/chatcmdbuilder.lua")
end
dofile(minetest.get_modpath("wormball") .. "/commands.lua")
dofile(minetest.get_modpath("wormball") .. "/minigame_manager.lua")
dofile(minetest.get_modpath("wormball") .. "/nodes.lua")
dofile(minetest.get_modpath("wormball") .. "/privs.lua")

676
license.txt Normal file
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sounds CC0, various authors
GNU GENERAL PUBLIC LICENSE
Version 3, 29 June 2007
Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
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Minetest Quake
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Also add information on how to contact you by electronic and paper mail.
If the program does terminal interaction, make it output a short
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Minetest Quake Copyright (C) 2020 Marco
This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it
under certain conditions; type `show c' for details.
The hypothetical commands `show w' and `show c' should show the appropriate
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into proprietary programs. If your program is a subroutine library, you
may consider it more useful to permit linking proprietary applications with
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Public License instead of this License. But first, please read
<http://www.gnu.org/philosophy/why-not-lgpl.html>.

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minigame_manager.lua Normal file
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arena_lib.on_load("wormball", function(arena)
--clear the board of gamepieces
local pos1 = arena.area_to_clear_after_game_pos_1
local pos2 = arena.area_to_clear_after_game_pos_2
local x1 = pos1.x
local x2 = pos2.x
local y1 = pos1.y
local y2 = pos2.y
local z1 = pos1.z
local z2 = pos2.z
if x1 > x2 then
local temp = x2
x2 = x1
x1 = temp
end
if y1 > y2 then
local temp = y2
y2 = y1
y1 = temp
end
if z1 > z2 then
local temp = z2
z2 = z1
z1 = temp
end
for x = x1,x2 do
for y = y1,y2 do
for z = z1,z2 do
--local node = minetest.get_node({x=x,y=y,z=z}).name
minetest.set_node({x=x,y=y,z=z}, {name="air"})
end
end
end
local color_assign = {} -- a table of color names idxed by number
local idx = 1
for name,color in pairs(wormball.colors) do
color_assign[idx] = name
idx = idx + 1
end
idx = 1
for pl_name, stats in pairs(arena.players) do
local message = 'Controls: Use look direction to steer, or press up or down. Dont bump anything! Eat apples to grow and get points!'
minetest.chat_send_player(pl_name,message)
local player = minetest.get_player_by_name(pl_name)
player:set_velocity({x=0,y=0,z=0})
local pos = player:get_pos()
local color = color_assign[idx]
arena.players[pl_name].color = color
arena.players[pl_name].nodes = {pos}
minetest.set_node(pos, {name="wormball:node_"..color})
idx = idx + 1
end
end)
arena_lib.on_time_tick('wormball', function(arena)
local remove_tail = true
for pl_name, stats in pairs(arena.players) do
if stats.alive == true then
local player = minetest.get_player_by_name(pl_name)
local color = stats.color
--+x is forward, +z is left
local control = player:get_player_control() --{jump=bool, right=bool, left=bool, LMB=bool, RMB=bool, sneak=bool, aux1=bool, down=bool, up=bool}
local yaw = player:get_look_horizontal()
if control.jump == true then
arena.players[pl_name].direction = {x=0,y=1,z=0}
elseif control.sneak == true then
arena.players[pl_name].direction = {x=0,y=-1,z=0}
elseif yaw < (3.14*.25) or yaw > (3.14 *(7/4)) then -- if we are looking in the +z direction,
arena.players[pl_name].direction = {x=0,y=0,z=1}
elseif yaw > (3.14*(1/4)) and yaw < (3.14 *(3/4)) then -- if we are looking in the -x direction
arena.players[pl_name].direction = {x=-1,y=0,z=0}
elseif yaw > (3.14*(3/4)) and yaw < (3.14 *(5/4)) then -- if we are looking in the -z direction
arena.players[pl_name].direction = {x=0,y=0,z=-1}
elseif yaw > (3.14*(5/4)) and yaw < (3.14 *(7/4)) then -- if we are looking in the +x direction
arena.players[pl_name].direction = {x=1,y=0,z=0}
end
local new_move = stats.direction
local head_pos = stats.nodes[1]
local new_pos = {x = head_pos.x + new_move.x, y = head_pos.y + new_move.y, z = head_pos.z + new_move.z}
local new_node = minetest.get_node(new_pos).name
if new_node == 'air' then
table.insert(arena.players[pl_name].nodes,1,new_pos)
minetest.set_node(new_pos, {name="wormball:node_"..color})
player:move_to(new_pos, true)
elseif new_node == 'default:apple' then
remove_tail = false
table.insert(arena.players[pl_name].nodes,1,new_pos)
minetest.set_node(new_pos, {name="wormball:node_"..color})
arena.players[pl_name].score = arena.players[pl_name].score + 1
minetest.chat_send_player(pl_name,'You are now '..arena.players[pl_name].score..' long.')
player:move_to(new_pos, true)
else
arena.players[pl_name].alive = false
minetest.sound_play('sumo_lose', {
to_player = pl_name,
gain = 2.0,
})
local n = 0
for name, stat in pairs(arena.players) do
n = n+1
end
if n == 1 then
minetest.chat_send_player(pl_name,'your score is '..arena.players[pl_name].score)
arena_lib.remove_player_from_arena(pl_name, 1)
return
end
end
--place an apple
if math.random(1,3) == 1 then
local apple_pos = {x = head_pos.x + math.random(-1,1)*math.random(1,4), y = head_pos.y + math.random(-1,1)*math.random(1,4), z = head_pos.z + math.random(-1,1)*math.random(1,4)}
if minetest.get_node(apple_pos).name == 'air' then
minetest.set_node(apple_pos, {name='default:apple'})
end
end
end
if remove_tail == true then
local len = #arena.players[pl_name].nodes
local tail_pos = arena.players[pl_name].nodes[len]
minetest.set_node(tail_pos, {name="air"})
table.remove(arena.players[pl_name].nodes,len)
end
if #arena.players[pl_name].nodes == 0 then
minetest.chat_send_player(pl_name, 'Your score is '..arena.players[pl_name].score)
arena_lib.remove_player_from_arena(pl_name, 1)
end
end
end)
arena_lib.on_eliminate('wormball', function(arena, p_name)
--minetest.chat_send_all(dump(arena))
local count = 0
local sound = 'sumo_elim'
for p_name,data in pairs(arena.players) do
count = count + 1
end
if count == 1 then
sound = 'sumo_win'
end
for p_name, stats in pairs(arena.players) do
minetest.sound_play(sound, {
to_player = p_name,
gain = 2.0,
})
end
end)

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mod.conf Normal file
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name = wormball
description = Wormball subgame
depends = default, arena_lib
depends_optional = lib_chatcmdbuilder

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nodes.lua Normal file
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for name,color in pairs(wormball.colors) do
minetest.register_node("wormball:node_"..name, {
description = "wormball node "..name,
drawtype = "glasslike_framed",
tiles = {"default_stone.png^[colorize:#"..color, "default_stone.png^[colorize:#"..color},
inventory_image = minetest.inventorycube("default_stone.png^[colorize:#"..color),
paramtype = "light",
sunlight_propagates = true, -- Sunlight can shine through block
groups = {cracky = 3, oddly_breakable_by_hand = 3},
sounds = default.node_sound_glass_defaults()
})
end

3
privs.lua Normal file
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minetest.register_privilege("wormball_admin", {
description = "With this you can use /wormball create, edit"
})

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readme.txt Normal file
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Sumo mod by MisterE for use with arena_lib (minigame_lib) You should be familiar with how to set up arena_lib arenas.
Code snippets from https://gitlab.com/zughy-friends-minetest/arena_lib/-/blob/master/DOCS.md and from Zughy's minigames
to set up an arena, create a confined space that floats in the air, with lava or other damage blocks beneath. Set the spawners on the platform. You can use mesecons to make the board more interesting.
In this game, each player gets a tool that pushes other players... the goal is to knowck all other players off and be the last one standing. Each player gets 3 lives
Basic setup:
1) type /sumo create <arena_name>
2) type /sumo edit <arena_name>
3) use the editor to place a minigame sign, assign it to your minigame.
4) while in the editor, move to where your arena will be.
5) Make your arena. There should be some type of platform, with a lava pool underneath to kill players that fall off.
6) using the editor tools, mark player spawner locations. Protect the arena.
7) exit the editor mode
8) type /minigamesettings sumo
9) change the hub spawnpoint to be next to the signs.

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