mirror of
https://github.com/sys4-fr/server-nalc.git
synced 2024-09-08 13:50:25 +02:00
- Homedecor now using an inventory texture for lamps - Reoganized pipeworks' code - Added secure fix in pipeworks - Added meshnodes, sounds and fixes in mesecons - Removed "mesecons_compatibility"
158 lines
3.6 KiB
Lua
Executable File
158 lines
3.6 KiB
Lua
Executable File
----------------------
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-- Vector functions --
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----------------------
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function vector.cross(a, b)
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return {
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x = a.y * b.z - a.z * b.y,
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y = a.z * b.x - a.x * b.z,
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z = a.x * b.y - a.y * b.x
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}
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end
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function vector.dot(a, b)
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return a.x * b.x + a.y * b.y + a.z * b.z
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end
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-----------------------
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-- Facedir functions --
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-----------------------
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function minetest.facedir_to_top_dir(facedir)
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return ({[0] = {x = 0, y = 1, z = 0},
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{x = 0, y = 0, z = 1},
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{x = 0, y = 0, z = -1},
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{x = 1, y = 0, z = 0},
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{x = -1, y = 0, z = 0},
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{x = 0, y = -1, z = 0}})
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[math.floor(facedir / 4)]
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end
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function minetest.facedir_to_right_dir(facedir)
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return vector.cross(
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minetest.facedir_to_top_dir(facedir),
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minetest.facedir_to_dir(facedir)
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)
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end
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directions = {}
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function directions.side_to_dir(side)
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return ({[0] = vector.new(),
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vector.new( 0, 1, 0),
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vector.new( 0, -1, 0),
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vector.new( 1, 0, 0),
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vector.new(-1, 0, 0),
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vector.new( 0, 0, 1),
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vector.new( 0, 0, -1)
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})[side]
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end
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function directions.dir_to_side(dir)
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local c = vector.dot(dir, vector.new(1, 2, 3)) + 4
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return ({6, 2, 4, 0, 3, 1, 5})[c]
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end
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----------------------
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-- String functions --
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----------------------
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--[[function string.split(str, sep)
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local fields = {}
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local index = 1
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local expr = "([^"..sep.."])+"
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string.gsub(str, expr, function(substring)
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fields[index] = substring
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index = index + 1
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end)
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return fields
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end]]
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function string.startswith(str, substr)
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return str:sub(1, substr:len()) == substr
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end
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---------------------
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-- Table functions --
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---------------------
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function table.contains(tbl, element)
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for _, elt in pairs(tbl) do
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if elt == element then
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return true
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end
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end
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return false
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end
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function table.extend(tbl, tbl2)
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local index = #tbl + 1
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for _, elt in ipairs(tbl2) do
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tbl[index] = elt
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index = index + 1
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end
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end
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function table.recursive_replace(tbl, pattern, replace_with)
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if type(tbl) == "table" then
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local tbl2 = {}
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for key, value in pairs(tbl) do
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tbl2[key] = table.recursive_replace(value, pattern, replace_with)
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end
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return tbl2
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elseif type(tbl) == "string" then
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return tbl:gsub(pattern, replace_with)
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else
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return tbl
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end
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end
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------------------------
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-- Formspec functions --
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------------------------
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fs_helpers = {}
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function fs_helpers.on_receive_fields(pos, fields)
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local meta = minetest.get_meta(pos)
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for field, value in pairs(fields) do
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if field:startswith("fs_helpers_cycling:") then
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local l = field:split(":")
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local new_value = tonumber(l[2])
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local meta_name = l[3]
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meta:set_int(meta_name, new_value)
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end
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end
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end
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function fs_helpers.cycling_button(meta, base, meta_name, values)
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local current_value = meta:get_int(meta_name)
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local new_value = (current_value + 1) % (#values)
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local val = values[current_value + 1]
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local text
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local texture_name = nil
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local addopts = nil
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--when we get a table, we know the caller wants an image_button
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if type(val) == "table" then
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text = val["text"]
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texture_name = val["texture"]
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addopts = val["addopts"]
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else
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text = val
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end
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local field = "fs_helpers_cycling:"..new_value..":"..meta_name
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return base..";"..(texture_name and texture_name..";" or "")..field..";"..minetest.formspec_escape(text)..(addopts and ";"..addopts or "").."]"
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end
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---------
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-- Env --
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---------
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function minetest.load_position(pos)
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if pos.x < -30912 or pos.y < -30912 or pos.z < -30912 or
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pos.x > 30927 or pos.y > 30927 or pos.z > 30927 then return end
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if minetest.get_node_or_nil(pos) then
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return
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end
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local vm = minetest.get_voxel_manip()
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vm:read_from_map(pos, pos)
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end
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