--[[ Copyright (C) 2022 Alexsandro Percy Copyright (C) 2018 Hume2 Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. ]]-- local S = automobiles_lib.S local function is_hex(color) if not color or color:len() ~= 7 then return end return color:match("#%x%x%x%x%x%x") end -- hex translation local function hex_to_rgb(hex_value) hex_value = hex_value:gsub("#","") local rgb = { r = tonumber("0x"..hex_value:sub(1,2)), g = tonumber("0x"..hex_value:sub(3,4)), b = tonumber("0x"..hex_value:sub(5,6)), } return rgb end local function rgb_to_hex(rgb) return string.format("#%02X%02X%02X", rgb.r, rgb.g, rgb.b) end -- Painter formspec local function painter_form(player, rgb) local color = rgb_to_hex(rgb) minetest.show_formspec(player:get_player_name(), "automobiles_lib:painter", -- Init formspec "formspec_version[3]" .. -- Minetest 5.2+ "size[5.6,5.2;true]" .. "position[0.5,0.45]" .. -- Color preview "image[0.2,0.2;2,2;automobiles_painting.png^[colorize:" .. color .. ":255]" .. "label[0.3,1.2;" .. S("Preview") .. "]" .. -- Hex field "field_close_on_enter[hex;false]" .. "field[2.4,0.2;3,0.8;hex;;" .. color .. "]" .. "button[2.4,1;3,0.8;set_hex;" .. S("Set Hex") .. "]" .. -- RGB sliders "container[0,2.4]" .. "scrollbaroptions[min=0;max=255;smallstep=20]" .. "box[0.4,0;4.77,0.38;red]" .. "label[0.2,0.2;-]" .. "scrollbar[0.4,0;4.8,0.4;horizontal;r;" .. rgb.r .."]" .. "label[5.2,0.2;+]" .. "box[0.4,0.6;4.77,0.38;green]" .. "label[0.2,0.8;-]" .. "scrollbar[0.4,0.6;4.8,0.4;horizontal;g;" .. rgb.g .."]" .. "label[5.2,0.8;+]" .. "box[0.4,1.2;4.77,0.38;blue]" .. "label[0.2,1.4;-]" .. "scrollbar[0.4,1.2;4.8,0.4;horizontal;b;" .. rgb.b .. "]" .. "label[5.2,1.4;+]" .. "container_end[]" .. -- Bottom buttons "button_exit[0.2,4.2;2.8,0.8;set_color;" .. S("Set Color") .. "]" .. "button_exit[3.2,4.2;2.2,0.8;quit;" .. S("Cancel") .. "]" ) end local automobiles_being_painted = {} local formspec_timers = {} minetest.register_on_player_receive_fields(function(player, formname, fields) if formname == "automobiles_lib:painter" then if formspec_timers[player] then formspec_timers[player]:cancel() formspec_timers[player] = nil end local function parse_scrollbar_field(value) value = value or "" local num = math.floor(tonumber((value:gsub(".*:", ""))) or 0) if num > 255 or num < 0 then num = 0 end return num end local rgb = { r = parse_scrollbar_field(fields.r), g = parse_scrollbar_field(fields.g), b = parse_scrollbar_field(fields.b), } if fields.set_hex or fields.key_enter then if is_hex(fields.hex) then painter_form(player, hex_to_rgb(fields.hex)) else painter_form(player, rgb) end elseif fields.set_color then local object_ref = automobiles_being_painted[player] if object_ref and object_ref:get_pos() then local luaentity = object_ref:get_luaentity() luaentity:_change_color(rgb_to_hex(rgb)) end automobiles_being_painted[player] = nil elseif fields.r and fields.r:find("^CHG") or fields.g and fields.g:find("^CHG") or fields.b and fields.b:find("^CHG") then -- Has a scrollbar changed? formspec_timers[player] = minetest.after(0.2, function(itemstack, name) local player = minetest.get_player_by_name(name) if player then painter_form(player, rgb) end formspec_timers[player] = nil end, itemstack, player:get_player_name()) end if fields.quit then automobiles_being_painted[player] = nil end return true end end) -- Make the actual thingy minetest.register_tool("automobiles_lib:painter", { description = S("Automobiles Painter"), inventory_image = "automobiles_painter.png", wield_scale = {x = 2, y = 2, z = 1}, on_use = function(itemstack, user, pointed_thing) if pointed_thing.type == "object" and not pointed_thing.ref:is_player() then local luaentity = pointed_thing.ref:get_luaentity() if luaentity and type(luaentity._change_color) == "function" then local player_name = user:get_player_name() if not luaentity.owner or luaentity.owner == player_name then automobiles_being_painted[user] = pointed_thing.ref local color = luaentity._color local rgb = is_hex(color) and hex_to_rgb(color) or {r = 0, g = 0, b = 0} painter_form(user, rgb) else minetest.chat_send_player(player_name, S("Only the owner can paint this entity.")) end end end end }) minetest.register_on_leaveplayer(function(player, timed_out) automobiles_being_painted[player] = nil end) minetest.register_craft({ output = "automobiles_lib:painter", recipe = { {"", "default:steel_ingot", ""}, {"dye:red", "dye:green", "dye:blue"}, {"", "default:steel_ingot", ""}, }, })