Minetest-WorldEditAdditions/worldeditadditions/utils/player.lua
2021-08-05 20:38:59 -07:00

72 lines
3.4 KiB
Lua

local wea = worldeditadditions
local v3 = worldeditadditions.Vector3
--- Returns the player's position (at leg level).
-- @param name string The name of the player to return facing direction of.
-- @return vector Returns position.
function worldeditadditions.player_vector(name)
return minetest.get_player_by_name(name):get_pos()
end
--- Returns the player's facing info including relative DIRs.
-- @param name string The name of the player to return facing direction of.
-- @return table (vector3+) xyz raw values and {axis,sign} tables for facing direction and
-- relative direction keys (front, back, left, right, up, down).
function worldeditadditions.player_dir(name)
local dir = v3.clone(minetest.get_player_by_name(name):get_look_dir())
local abs = dir:abs()
-- Facing info
if abs.x > abs.z then dir.facing = {axis="x",sign=wea.getsign(dir.x)}
else dir.facing = {axis="z",sign=wea.getsign(dir.z)} end
-- Set front and back
dir.front = dir.facing
dir.back = {axis=dir.facing.axis,sign=dir.facing.sign*-1}
-- Set left and right
if dir.facing.axis == "x" then dir.left = {axis="z", sign=dir.facing.sign}
else dir.left = {axis="x", sign=dir.facing.sign*-1} end
dir.right = {axis=dir.left.axis,sign=dir.left.sign*-1}
-- Set up and down
dir.up = {axis="y",sign=1}
dir.down = {axis="y",sign=-1}
return dir
end
-- /lua print(worldeditadditions.vector.tostring(minetest.get_player_by_name(myname):get_look_dir()))
--- DEPRICATED =================================================================
-- TODO: Refactor commands that use the following functions to use player_dir then delete these functions
--- Returns the player's facing direction on the horizontal axes only.
-- @param name string The name of the player to return facing direction of.
-- @return string,int Returns axis name and sign multiplier.
function worldeditadditions.player_axis2d(name)
-- minetest.get_player_by_name("singleplayer"):
local dir = minetest.get_player_by_name(name):get_look_dir()
local x, z= math.abs(dir.x), math.abs(dir.z)
if x > z then return "x", dir.x > 0 and 1 or -1
else return "z", dir.z > 0 and 1 or -1 end
end
--- Returns the axis and sign of the axis to the left of the input axis.
-- @param axis string x or z.
-- @param sign int Sign multiplier.
-- @return string,int Returns axis name and sign multiplier.
function worldeditadditions.axis_left(axis,sign)
if not axis:match("[xz]") then return false, "Error: Not a horizontal axis!"
elseif axis == "x" then return true, "z", sign
else return true, "x", -sign end
end
--- Dehumanize Direction: translates up, down, left, right, front, into xyz based on player orientation.
-- @param name string The name of the player to return facing direction of.
-- @param dir string Relative direction to translate.
-- @return string Returns axis name and sign multiplier.
function worldeditadditions.dir_to_xyz(name, dir)
local axfac, drfac = worldeditadditions.player_axis2d(name)
local _, axlft, drlft = worldeditadditions.axis_left(axfac,drfac)
if dir:match("front") or dir:match("back") then
return axfac, dir:match("front") and drfac or -drfac
elseif dir:match("left") or dir:match("right") then
return axlft, dir:match("left") and drlft or -drlft
elseif dir:match("up") or dir:match("down") then
return "y", dir == "down" and -1 or 1
else return false, "\"" .. dir .. "\" not a recognized direction! Try: (up | down | left | right | front | back)" end
end