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Make sponge area spherical, and add config options

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Benjie 2023-02-21 21:04:52 +00:00
parent 42d644b69d
commit 4ef64420ca
3 changed files with 128 additions and 81 deletions
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18
README.md
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@ -1,7 +1,7 @@
# Minetest Sponge mod
## Water-removing sponges for Minetest.
Created by Benjie/fiftysix/56 2018-08-27 - Last updated 2023-02-20
Created by Benjie/fiftysix/56 2018-08-27 - Last updated 2023-02-21
Copyright Benjie 2018-2023
[Forum topic](https://forum.minetest.net/viewtopic.php?f=9&t=20729)
@ -13,12 +13,14 @@ They will hold the water away until they are removed.
This will cause them to become soggy, so to use them again they have to be cooked.
### How it works:
* Sponges create a 9x9x9 cube of air-like nodes that water can't flow through (checks for protection).
* Sponges create a diameter 9 sphere of air-like nodes that water can't flow through (checks for protection).
* If sponges have cleared more than 3 nodes of liquid, they become soggy sponges.
* Removing a sponge or soggy sponge will turn a 9x9x9 cube of air-like nodes back into air, as long as they are not in the area of another sponge.
* Removing a sponge or soggy sponge will turn a diameter 9 sphere of air-like nodes back into air, as long as they are not in the area of another sponge.
*(Air-like nodes can be removed in protection by removing a sponge outside the protection, they are not meant to be permanent)*
### Options:
The mod should be most enjoyable by leaving all options at their default values.
**Replace air nodes** (sponge_replace_air_nodes): boolean, default true
Causes sponges not to replace air with water blocking airlike nodes. Disabling this may cause unusual behaviour with flowing water.
@ -29,3 +31,13 @@ See "Group list type" (sponge_group_list_type) for the behaviour of this list.
**Group list type** (sponge_group_list_type): multi-choice, default whitelist_source
If the groups in the group list should be treated as a whitelist or blacklist for removing liquids.
The *_source variants will remove all flowing liquids regardless of the list.
**Radius** (sponge_radius): number, default 4.5
Radius of the sphere or cube of liquid that gets removed.
**Sphere shape** (sponge_shape_sphere): boolean, default true
Whether to use a sphere shape to remove liquids.
**Replace with air** (sponge_replace_with_air): boolean, default false
Replace liquids with air instead of liquid blocking nodes.
This causes water to flow back immediately after placing the sponge.

181
init.lua
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@ -1,30 +1,31 @@
--[[
- Minetest Sponge mod
- Water removing sponges for Minetest
- Created by Benjie/fiftysix/56 2018-08-27 - Last updated 2023-02-20
- Created by Benjie/fiftysix/56 2018-08-27 - Last updated 2023-02-21
- Copyright Benjie 2018-2023
Soggy sponges can rarely be found deep in the sea where the darkness begins.
These can be cooked into dry sponges, and then placed near a liquid to remove the surrounding cube of it
These can be cooked into dry sponges, and then placed near a liquid to remove the surrounding sphere of it
They will hold the water away until they are removed.
This will cause them to become soggy, so to use them again they have to be cooked.
Sponges create a 9x9x9 cube of air-like nodes that water can't flow through (checks for protection)
Sponges create a diameter 9 sphere of air-like nodes that water can't flow through (checks for protection)
If sponges have cleared more than 3 nodes of liquid, they become soggy sponges
removing a sponge or soggy sponge will turn a 9x9x9 cube of air-like nodes back into air
removing a sponge or soggy sponge will turn a diameter 9 sphere of air-like nodes back into air
(air-like nodes can be removed in protection by removing a sponge outside the protection, they are not meant to be permanent)
]]--
local modname = minetest.get_current_modname()
local area = 4 -- The "radius" (of the cube) to clear water
local keep_dry = 3 -- The maximum amount of water cleared where the sponge doesn't turn soggy
-- Load configurable options
local replace_air_nodes = minetest.settings:get_bool("sponge_replace_air_nodes", true)
local group_list = minetest.settings:get("sponge_group_list", false) or "water"
local group_list_type = minetest.settings:get("sponge_group_list_type") or "whitelist_source"
local radius = tonumber(minetest.settings:get("sponge_radius") or 4.5)
local shape_sphere = minetest.settings:get_bool("sponge_shape_sphere", true)
local replace_with_air = minetest.settings:get_bool("sponge_replace_with_air", false)
-- returns true if groups contains anything in list
local compare_groups = function(list, groups)
@ -39,10 +40,15 @@ end
-- called by after_destruct()
local destruct = function(pos) -- removing the air-like nodes
-- if air was used, there is nothing to remove
if replace_with_air then return end
local edge_distance = math.floor(radius)
-- find all sponges that intersect with this sponge's area
-- find all sponges that intersect with this sponge's radius
local sponge_info = minetest.find_nodes_in_area(
{x=pos.x-area*2, y=pos.y-area*2, z=pos.z-area*2}, {x=pos.x+area*2, y=pos.y+area*2, z=pos.z+area*2},
vector.new(pos.x-edge_distance*2, pos.y-edge_distance*2, pos.z-edge_distance*2),
vector.new(pos.x+edge_distance*2, pos.y+edge_distance*2, pos.z+edge_distance*2),
{modname..":soggy_sponge", modname..":sponge"}, true
)
local sponges = {}
@ -53,23 +59,31 @@ local destruct = function(pos) -- removing the air-like nodes
end
end
for x = pos.x-area, pos.x+area do
for y = pos.y-area, pos.y+area do
for z = pos.z-area, pos.z+area do
local n = minetest.get_node({x=x, y=y, z=z}).name
if n == modname..":liquid_stop" then
-- check if position intersects with another sponge
local intersect = false
for _, s_pos in pairs(sponges) do
if math.abs(s_pos.x-x) <= area and math.abs(s_pos.y-y) <= area and math.abs(s_pos.z-z) <= area then
intersect = true
break
for x = pos.x-edge_distance, pos.x+edge_distance do
for y = pos.y-edge_distance, pos.y+edge_distance do
for z = pos.z-edge_distance, pos.z+edge_distance do
local p = vector.new(x, y, z)
if (not shape_sphere or p:distance(pos) <= radius) then
local n = minetest.get_node(p).name
if n == modname..":liquid_stop" then
-- check if position intersects with another sponge
local intersect = false
for _, s_pos in pairs(sponges) do
if (
(shape_sphere and p:distance(s_pos) <= radius) or
(not shape_sphere and
math.abs(s_pos.x-x) <= radius and math.abs(s_pos.y-y) <= radius and math.abs(s_pos.z-z) <= radius)
) then
intersect = true
break
end
end
if not intersect then
minetest.remove_node(p)
end
end
if not intersect then
minetest.remove_node({x=x, y=y, z=z})
end
end
end
@ -84,49 +98,57 @@ local construct = function(pos, placer, itemstack, pointed_thing)
if not minetest.is_protected(pos, playername) then
local count = 0
for x = pos.x-area, pos.x+area do
for y = pos.y-area, pos.y+area do
for z = pos.z-area, pos.z+area do
local p = {x=x, y=y, z=z}
local n = minetest.get_node(p).name
local def = minetest.registered_nodes[n]
local replace = false
if def == nil or minetest.is_protected(p, playername) then
-- replace = false
elseif replace_air_nodes and n == "air" then
replace = true
elseif def["drawtype"] == "flowingliquid" then
if group_list_type == "whitelist" then
if compare_groups(group_list, def.groups or {}) then
replace = true
end
elseif group_list_type == "blacklist" then
if not compare_groups(group_list, def.groups or {}) then
replace = true
end
else
replace = true
end
elseif def["drawtype"] == "liquid" then
if group_list_type == "whitelist" or group_list_type == "whitelist_source" then
if compare_groups(group_list, def.groups or {}) then
replace = true
end
elseif group_list_type == "blacklist" or group_list_type == "blacklist_source" then
if not compare_groups(group_list, def.groups or {}) then
replace = true
end
else
replace = true
end
end
local edge_distance = math.floor(radius)
for x = pos.x-edge_distance, pos.x+edge_distance do
for y = pos.y-edge_distance, pos.y+edge_distance do
for z = pos.z-edge_distance, pos.z+edge_distance do
local p = vector.new(x, y, z)
if replace then
if n ~= "air" then
count = count + 1 -- counting liquids
if (not shape_sphere or p:distance(pos) <= radius) then
local n = minetest.get_node(p).name
local def = minetest.registered_nodes[n]
local replace = false
if def == nil or minetest.is_protected(p, playername) then
-- replace = false
elseif replace_air_nodes and n == "air" then
replace = true
elseif def["drawtype"] == "flowingliquid" then
if group_list_type == "whitelist" then
if compare_groups(group_list, def.groups or {}) then
replace = true
end
elseif group_list_type == "blacklist" then
if not compare_groups(group_list, def.groups or {}) then
replace = true
end
else
replace = true
end
elseif def["drawtype"] == "liquid" then
if group_list_type == "whitelist" or group_list_type == "whitelist_source" then
if compare_groups(group_list, def.groups or {}) then
replace = true
end
elseif group_list_type == "blacklist" or group_list_type == "blacklist_source" then
if not compare_groups(group_list, def.groups or {}) then
replace = true
end
else
replace = true
end
end
if replace then
if n ~= "air" then
count = count + 1 -- counting liquids
end
if replace_with_air then
minetest.remove_node(p)
else
minetest.set_node(p, {name=modname..":liquid_stop"})
end
end
minetest.set_node(p, {name=modname..":liquid_stop"})
end
end
end
@ -138,19 +160,22 @@ local construct = function(pos, placer, itemstack, pointed_thing)
end
end
minetest.register_node(modname..":liquid_stop", { -- air-like node
description = "liquid blocker for sponges",
drawtype = "airlike",
drop = {max_items=0, items={}},
groups = {not_in_creative_inventory=1},
pointable = false,
walkable = false,
floodable = false,
sunlight_propagates = true,
paramtype = "light",
buildable_to = true,
})
if replace_with_air then
minetest.register_alias(modname..":liquid_stop", "air")
else
minetest.register_node(modname..":liquid_stop", { -- air-like node
description = "liquid blocker for sponges",
drawtype = "airlike",
drop = {max_items=0, items={}},
groups = {not_in_creative_inventory=1},
pointable = false,
walkable = false,
floodable = false,
sunlight_propagates = true,
paramtype = "light",
buildable_to = true,
})
end
minetest.register_node(modname..":sponge", { -- dry sponge

10
settingtypes.txt
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@ -8,3 +8,13 @@ sponge_group_list (Group list) string water
# If the groups in the group list should be treated as a whitelist or blacklist for removing liquids.
# The *_source variants will remove all flowing liquids regardless of the list.
sponge_group_list_type (Group list type) enum whitelist_source whitelist,whitelist_source,blacklist,blacklist_source,ignored
# Radius of sphere or cube of liquid that gets removed
sponge_radius (Radius) float 4.5 1 39.9
# Whether to use a sphere shape to remove liquids
sponge_shape_sphere (Sphere shape) bool true
# Replace liquids with air instead of liquid blocking nodes.
# This causes water to flow back immediately after placing the sponge
sponge_replace_with_air (Replace with air) bool false