Unified Dyes expands the standard dye set from 15 to up to 256 colors (depending on the object to be colored) https://content.minetest.net/packages/VanessaE/unifieddyes/
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-- This file supplies all the code related to the airbrush
local S = minetest.get_translator("unifieddyes")
function unifieddyes.on_airbrush(itemstack, player, pointed_thing)
local player_name = player:get_player_name()
local painting_with = nil
if unifieddyes.player_current_dye[player_name] then
painting_with = unifieddyes.player_current_dye[player_name]
end
if not painting_with then
minetest.chat_send_player(player_name, "*** You need to set a color first.")
minetest.chat_send_player(player_name, "*** Right-click any random node to open the color selector,")
minetest.chat_send_player(player_name, "*** or shift+right-click a colorized node to use its color.")
minetest.chat_send_player(player_name, "*** Be sure to click \"Accept\", or the color you select will be ignored.")
return
end
local pos = minetest.get_pointed_thing_position(pointed_thing)
if not pos then
local look_angle = player:get_look_vertical()
if look_angle > -1.55 then
minetest.chat_send_player(player_name, "*** No node selected")
else
local hexcolor = unifieddyes.get_color_from_dye_name(painting_with)
if hexcolor then
local r = tonumber(string.sub(hexcolor,1,2),16)
local g = tonumber(string.sub(hexcolor,3,4),16)
local b = tonumber(string.sub(hexcolor,5,6),16)
player:set_sky({r=r,g=g,b=b,a=255},"plain")
end
end
return
end
local node = minetest.get_node(pos)
local def = minetest.registered_items[node.name]
if not def then return end
if minetest.is_protected(pos, player_name) then
minetest.chat_send_player(player_name, "*** Sorry, someone else owns that node.")
return
end
if not (def.groups and def.groups.ud_param2_colorable and def.groups.ud_param2_colorable > 0) then
minetest.chat_send_player(player_name, "*** That node can't be colored.")
return
end
local palette = nil
local fdir = 0
if not def or not def.palette then
minetest.chat_send_player(player_name, "*** That node can't be colored -- it's either undefined or has no palette.")
return
elseif def.palette == "unifieddyes_palette_extended.png" then
palette = "extended"
elseif def.palette == "unifieddyes_palette_colorwallmounted.png" then
palette = "wallmounted"
fdir = node.param2 % 8
elseif def.palette ~= "unifieddyes_palette_extended.png"
and def.palette ~= "unifieddyes_palette_colorwallmounted.png"
and string.find(def.palette, "unifieddyes_palette_") then
palette = "split"
fdir = node.param2 % 32
else
minetest.chat_send_player(player_name, "*** That node can't be colored -- it has an invalid color mode.")
return
end
local idx, hue = unifieddyes.getpaletteidx(painting_with, palette)
local inv = player:get_inventory()
if (not creative or not creative.is_enabled_for(player_name)) and not inv:contains_item("main", painting_with) then
local suff = ""
if not idx then
suff = " Besides, "..string.sub(painting_with, 5).." can't be applied to that node."
end
minetest.chat_send_player(player_name, "*** You're in survival mode, and you're out of "..string.sub(painting_with, 5).."."..suff)
return
end
if not idx then
minetest.chat_send_player(player_name, "*** "..string.sub(painting_with, 5).." can't be applied to that node.")
return
end
local oldidx = node.param2 - fdir
local name = def.airbrush_replacement_node or node.name
if palette == "split" then
local modname = string.sub(name, 1, string.find(name, ":")-1)
local nodename2 = string.sub(name, string.find(name, ":")+1)
local oldcolor = "snozzberry"
local newcolor = "razzberry" -- intentionally misspelled ;-)
if def.ud_color_start and def.ud_color_end then
oldcolor = string.sub(node.name, def.ud_color_start, def.ud_color_end)
newcolor = string.sub(painting_with, 5)
else
if hue ~= 0 then
newcolor = unifieddyes.HUES_EXTENDED[hue][1]
else
newcolor = "grey"
end
if def.airbrush_replacement_node then
oldcolor = "grey"
else
local s = string.sub(def.palette, 21)
oldcolor = string.sub(s, 1, string.find(s, "s.png")-1)
end
end
name = modname..":"..string.gsub(nodename2, oldcolor, newcolor)
if not minetest.registered_items[name] then
minetest.chat_send_player(player_name, "*** "..string.sub(painting_with, 5).." can't be applied to that node.")
return
end
elseif idx == oldidx then
return
end
minetest.swap_node(pos, {name = name, param2 = fdir + idx})
if not creative or not creative.is_enabled_for(player_name) then
inv:remove_item("main", painting_with)
return
end
end
local hps = 0.6 -- horizontal position scale
local vps = 1.3 -- vertical position scale
local vs = 0.1 -- vertical shift/offset
local color_button_size = ";0.75,0.75;"
local color_square_size = ";0.69,0.69;"
function unifieddyes.make_readable_color(color)
-- is this a low saturation color?
local has_low_saturtation = string.find(color, "s50");
-- remove _s50 tag, we care about that later again
local s = string.gsub(color, "_s50", "")
-- replace underscores with spaces to make it look nicer
local s = string.gsub(s, "_", " ")
-- capitalize words, you know, looks nicer ;)
s = string.gsub(s, "(%l)(%w*)", function(a,b) return string.upper(a)..b end)
-- add the word dye, this is what the translations expect
s = s.." Dye"
-- if it is a low sat color, append an appropriate string
if has_low_saturtation then
s = s.." (low saturation)"
end
return s
end
function unifieddyes.make_colored_square(hexcolor, colorname, showall, creative, painting_with, nodepalette, hp, v2, selindic, inv, explist)
local dye = "dye:"..colorname
local overlay = ""
local colorize = minetest.formspec_escape("^[colorize:#"..hexcolor..":255")
if not creative and inv:contains_item("main", dye) then
overlay = "^unifieddyes_onhand_overlay.png"
end
local unavail_overlay = ""
if not showall and not unifieddyes.palette_has_color[nodepalette.."_"..colorname]
or (explist and not explist[colorname]) then
if overlay == "" then
unavail_overlay = "^unifieddyes_unavailable_overlay.png"
else
unavail_overlay = "^unifieddyes_onhand_unavailable_overlay.png"
end
end
local tooltip = "tooltip["..colorname..";"..
S(unifieddyes.make_readable_color(colorname))..
"\n(dye:"..colorname..")]"
if dye == painting_with then
overlay = "^unifieddyes_select_overlay.png"
selindic = "unifieddyes_white_square.png"..colorize..overlay..unavail_overlay.."]"..tooltip
end
local form
if unavail_overlay == "" then
form = "image_button["..
(hp*hps)..","..(v2*vps+vs)..
color_button_size..
"unifieddyes_white_square.png"..colorize..overlay..unavail_overlay..";"..
colorname..";]"..
tooltip
else
form = "image["..
(hp*hps)..","..(v2*vps+vs)..
color_square_size..
"unifieddyes_white_square.png"..colorize..overlay..unavail_overlay.."]"..
tooltip
end
return form, selindic
end
function unifieddyes.show_airbrush_form(player)
if not player then return end
local t = {}
local player_name = player:get_player_name()
local painting_with = unifieddyes.player_selected_dye[player_name] or unifieddyes.player_current_dye[player_name]
local creative = creative and creative.is_enabled_for(player_name)
local inv = player:get_inventory()
local nodepalette = "extended"
local showall = unifieddyes.player_showall[player_name]
t[1] = "size[14.5,8.5]label[7,-0.3;"..S("Select a color:").."]"
local selindic = "unifieddyes_select_overlay.png^unifieddyes_question.png]"
local last_right_click = unifieddyes.player_last_right_clicked[player_name]
if last_right_click then
if not last_right_click.def then
last_right_click.def = {}
last_right_click.undef = true
elseif last_right_click.def.palette then
if last_right_click.def.palette == "unifieddyes_palette_colorwallmounted.png" then
nodepalette = "wallmounted"
elseif last_right_click.def.palette == "unifieddyes_palette_extended.png" then
t[#t+1] = "label[0.5,8.25;"..S("(Right-clicked a node that supports all 256 colors, showing them all)").."]"
showall = true
elseif last_right_click.def.palette ~= "unifieddyes_palette_extended.png"
and last_right_click.def.palette ~= "unifieddyes_palette_colorwallmounted.png"
and string.find(last_right_click.def.palette, "unifieddyes_palette_") then
nodepalette = "split"
end
end
end
if last_right_click.undef then
t[#t+1] = "label[0.5,8.25;"..S("(Right-clicked an undefined node, showing all colors)").."]"
elseif not last_right_click.def.groups
or not last_right_click.def.groups.ud_param2_colorable
or not last_right_click.def.palette
or not string.find(last_right_click.def.palette, "unifieddyes_palette_") then
t[#t+1] = "label[0.5,8.25;"..S("(Right-clicked a node not supported by the Airbrush, showing all colors)").."]"
end
local explist = last_right_click.def.explist
for v = 0, 6 do
local val = unifieddyes.VALS_EXTENDED[v+1]
local sat = ""
local v2=(v/2)
for hi, h in ipairs(unifieddyes.HUES_EXTENDED) do
local hue = h[1]
local hp=hi-1
local r = h[2]
local g = h[3]
local b = h[4]
local factor = 40
if v > 3 then
factor = 75
v2 = (v-2)
end
local r2 = math.max(math.min(r + (4-v)*factor, 255), 0)
local g2 = math.max(math.min(g + (4-v)*factor, 255), 0)
local b2 = math.max(math.min(b + (4-v)*factor, 255), 0)
local hexcolor = string.format("%02x", r2)..string.format("%02x", g2)..string.format("%02x", b2)
local f
f, selindic = unifieddyes.make_colored_square(hexcolor, val..hue..sat, showall, creative, painting_with, nodepalette, hp, v2, selindic, inv, explist)
t[#t+1] = f
end
if v > 3 then
sat = "_s50"
v2 = (v-1.5)
for hi, h in ipairs(unifieddyes.HUES_EXTENDED) do
local hue = h[1]
local hp=hi-1
local r = h[2]
local g = h[3]
local b = h[4]
local factor = 75
local pr = 0.299
local pg = 0.587
local pb = 0.114
local r2 = math.max(math.min(r + (4-v)*factor, 255), 0)
local g2 = math.max(math.min(g + (4-v)*factor, 255), 0)
local b2 = math.max(math.min(b + (4-v)*factor, 255), 0)
local p = math.sqrt(r2*r2*pr + g2*g2*pg + b2*b2*pb)
local r3 = math.floor(p+(r2-p)*0.5)
local g3 = math.floor(p+(g2-p)*0.5)
local b3 = math.floor(p+(b2-p)*0.5)
local hexcolor = string.format("%02x", r3)..string.format("%02x", g3)..string.format("%02x", b3)
local f
f, selindic = unifieddyes.make_colored_square(hexcolor, val..hue..sat, showall, creative, painting_with, nodepalette, hp, v2, selindic, inv, explist)
t[#t+1] = f
end
end
end
local v2=5
for y = 0, 15 do
local hp=15-y
local hexgrey = string.format("%02x", y*17)..string.format("%02x", y*17)..string.format("%02x", y*17)
local grey = "grey_"..y
if y == 0 then grey = "black"
elseif y == 4 then grey = "dark_grey"
elseif y == 8 then grey = "grey"
elseif y == 11 then grey = "light_grey"
elseif y == 15 then grey = "white"
end
local f
f, selindic = unifieddyes.make_colored_square(hexgrey, grey, showall, creative, painting_with, nodepalette, hp, v2, selindic, inv, explist)
t[#t+1] = f
end
if not creative then
t[#t+1] = "image[10,"
t[#t+1] = (vps*5.55+vs)
t[#t+1] = color_button_size
t[#t+1] = "unifieddyes_onhand_overlay.png]label[10.7,"
t[#t+1] = (vps*5.51+vs)
t[#t+1] = ";"..S("Dyes").."]"
t[#t+1] = "label[10.7,"
t[#t+1] = (vps*5.67+vs)
t[#t+1] = ";on hand]"
end
t[#t+1] = "image[10,"
t[#t+1] = (vps*5+vs)
t[#t+1] = color_button_size
t[#t+1] = selindic
if painting_with then
t[#t+1] = "label[10.7,"
t[#t+1] = (vps*4.90+vs)
t[#t+1] = ";"..S("Your selection:").."]"
t[#t+1] = "label[10.7,"
t[#t+1] = (vps*5.07+vs)
t[#t+1] = ";"
t[#t+1] = S(unifieddyes.make_readable_color(string.sub(painting_with, 5)))
t[#t+1] = "]label[10.7,"
t[#t+1] = (vps*5.24+vs)
t[#t+1] = ";("
t[#t+1] = painting_with
t[#t+1] = ")]"
else
t[#t+1] = "label[10.7,"
t[#t+1] = (vps*5.07+vs)
t[#t+1] = ";"..S("Your selection").."]"
end
t[#t+1] = "button_exit[10.5,8;2,1;cancel;"..S("Cancel").."]button_exit[12.5,8;2,1;accept;"..S("Accept").."]"
if last_right_click and last_right_click.def and nodepalette ~= "extended" then
if showall then
t[#t+1] = "button[0,8;2,1;show_avail;"..S("Show Available").."]"
t[#t+1] = "label[2,8.25;"..S("(Currently showing all 256 colors)").."]"
else
t[#t+1] = "button[0,8;2,1;show_all;"..S("Show All Colors").."]"
t[#t+1] = "label[2,8.25;"..S("(Currently only showing what the right-clicked node can use)").."]"
end
end
minetest.show_formspec(player_name, "unifieddyes:dye_select_form", table.concat(t))
end
minetest.register_on_player_receive_fields(function(player, formname, fields)
if formname == "unifieddyes:dye_select_form" then
local player_name = player:get_player_name()
local nodepalette = "extended"
local showall = unifieddyes.player_showall[player_name]
local last_right_click = unifieddyes.player_last_right_clicked[player_name]
if last_right_click and last_right_click.def then
if last_right_click.def.palette then
if last_right_click.def.palette == "unifieddyes_palette_colorwallmounted.png" then
nodepalette = "wallmounted"
elseif last_right_click.def.palette ~= "unifieddyes_palette_extended.png" then
nodepalette = "split"
end
end
end
if fields.show_all then
unifieddyes.player_showall[player_name] = true
unifieddyes.show_airbrush_form(player)
return
elseif fields.show_avail then
unifieddyes.player_showall[player_name] = false
unifieddyes.show_airbrush_form(player)
return
elseif fields.quit then
if fields.accept then
local dye = unifieddyes.player_selected_dye[player_name]
if not dye then
minetest.chat_send_player(player_name, "*** Clicked \"Accept\", but no color was selected!")
return
elseif not showall
and not unifieddyes.palette_has_color[nodepalette.."_"..string.sub(dye, 5)] then
minetest.chat_send_player(player_name, "*** Clicked \"Accept\", but the selected color can't be used on the")
minetest.chat_send_player(player_name, "*** node that was right-clicked (and \"Show All\" wasn't in effect).")
if unifieddyes.player_current_dye[player_name] then
minetest.chat_send_player(player_name, "*** Ignoring it and sticking with "..string.sub(unifieddyes.player_current_dye[player_name], 5)..".")
else
minetest.chat_send_player(player_name, "*** Ignoring it.")
end
return
else
unifieddyes.player_current_dye[player_name] = dye
unifieddyes.player_selected_dye[player_name] = nil
minetest.chat_send_player(player_name, "*** Selected "..string.sub(dye, 5).." for the airbrush.")
return
end
else -- assume "Cancel" or Esc.
unifieddyes.player_selected_dye[player_name] = nil
return
end
else
local s1 = string.sub(minetest.serialize(fields), 11)
local s3 = string.sub(s1,1, string.find(s1, '"')-1)
local inv = player:get_inventory()
local creative = creative and creative.is_enabled_for(player_name)
local dye = "dye:"..s3
if (showall or unifieddyes.palette_has_color[nodepalette.."_"..s3]) and
(minetest.registered_items[dye] and (creative or inv:contains_item("main", dye))) then
unifieddyes.player_selected_dye[player_name] = dye
unifieddyes.show_airbrush_form(player)
end
end
end
end)
minetest.register_tool("unifieddyes:airbrush", {
description = S("Dye Airbrush"),
inventory_image = "unifieddyes_airbrush.png",
use_texture_alpha = true,
tool_capabilities = {
full_punch_interval=0.1,
},
range = 12,
on_use = unifieddyes.on_airbrush,
on_place = function(itemstack, placer, pointed_thing)
local keys = placer:get_player_control()
local player_name = placer:get_player_name()
local pos = minetest.get_pointed_thing_position(pointed_thing)
local node
local def
if pos then node = minetest.get_node(pos) end
if node then def = minetest.registered_items[node.name] end
unifieddyes.player_last_right_clicked[player_name] = {pos = pos, node = node, def = def}
if not keys.aux1 then
unifieddyes.show_airbrush_form(placer)
elseif keys.aux1 then
if not pos or not def then return end
local newcolor = unifieddyes.color_to_name(node.param2, def)
if newcolor and string.find(def.paramtype2, "color") then
minetest.chat_send_player(player_name, "*** Switching to "..newcolor.." for the airbrush, to match that node.")
unifieddyes.player_current_dye[player_name] = "dye:"..newcolor
else
minetest.chat_send_player(player_name, "*** That node is uncolored.")
end
elseif def.on_rightclick then
return def.on_rightclick(pos, node, placer, itemstack, pointed_thing)
end
end
})