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Implemented new method of defining valid faces through the secondary node registration

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This commit is contained in:
Cam B 2021-01-20 20:48:18 +00:00
parent 132d7568d8
commit 5232d1a3af
2 changed files with 38 additions and 7 deletions
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10
internal2.lua
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@ -121,12 +121,12 @@ function Tube:get_secondary_node(pos, dir)
local npos = vector.add(pos, Dir6dToVector[dir or 0])
local node = self:get_node_lvm(npos)
if self.secondary_node_names[node.name] then
local valid_dir_string = minetest.get_meta(npos):get_string('valid_dirs')
local valid_dirs = self.valid_dirs
if valid_dir_string and valid_dir_string ~= "" then
valid_dirs = minetest.deserialize(valid_dir_string)
local is_valid_dir = nil
if dir ~= nil then
local side = tubelib2.dir_to_side(Turn180Deg[dir], node.param2)
is_valid_dir = self.secondary_node_names[node.name][side] or false
end
return node, npos, valid_dirs[Turn180Deg[dir]] or false
return node, npos, is_valid_dir
end
end

35
tube_api.lua
View File

@ -23,12 +23,34 @@ local M = minetest.get_meta
local MP = minetest.get_modpath("tubelib2")
local I,_ = dofile(MP.."/intllib.lua")
-- Cardinal directions, regardless of orientation
local Dir2Str = {"north", "east", "south", "west", "down", "up"}
function tubelib2.dir_to_string(dir)
return Dir2Str[dir]
end
-- Relative directions, dependant on orientation (param2)
local DirToSide = {"B", "R", "F", "L", "D", "U"}
function tubelib2.dir_to_side(dir, param2)
if dir < 5 then
dir = (((dir - 1) - (param2 % 4)) % 4) + 1
end
return DirToSide[dir]
end
local SideToDir = {B=1, R=2, F=3, L=4, D=5, U=6}
function tubelib2.side_to_dir(side, param2)
local dir = SideToDir[side]
if dir < 5 then
dir = (((dir - 1) + (param2 % 4)) % 4) + 1
end
return dir
end
local function Tbl(list)
local tbl = {}
for _,item in ipairs(list) do
@ -193,10 +215,19 @@ function Tube:new(attr)
return o
end
-- Register (foreign) tubelib compatible nodes.
function Tube:add_secondary_node_names(names)
local valid_sides_default = {B=true, R=true, F=true, L=true, D=true, U=true}
function Tube:add_secondary_node_names(names, valid_sides)
local valid_sides_complete = valid_sides or {}
for side, defaultValue in pairs(valid_sides_default) do
if valid_sides_complete[side] == nil then
valid_sides_complete[side] = defaultValue
end
end
for _,name in ipairs(names) do
self.secondary_node_names[name] = true
self.secondary_node_names[name] = valid_sides_complete
end
end