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Merge pull request #8 from MrRar/scroll 

Make painter form scrollbars draggable
master
Alexsandro Percy 2022-07-31 15:23:46 -03:00 committed by GitHub
parent 011a78a04a 3adee75efe
commit 6fe62c6659
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 32 additions and 27 deletions
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59
automobiles_lib/painter.lua
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@ -43,20 +43,6 @@ local function rgb_to_hex(r, g, b)
return string.format("#%02X%02X%02X", r, g, b)
end
-- Need to convert between 1000 units and 256
local function from_slider_rgb(value)
value = tonumber(value)
return math.floor((255/1000*value)+0.5)
end
-- ...and back
local function to_slider_rgb(value)
if value then
return 1000/255*value
end
return 1000/255*255
end
-- Painter formspec
local function painter_form(itemstack, player)
local meta = itemstack:get_meta()
@ -75,22 +61,30 @@ local function painter_form(itemstack, player)
"label[0,0;Preview:]"..
"image[1.2,0;2,2;automobiles_painting.png^[colorize:"..color..":255]"..
-- RGB sliders
"scrollbar[0,2;5,0.3;horizontal;r;"..tostring(to_slider_rgb(rgb.r)).."]"..
"label[5.1,1.9;R: "..tostring(rgb.r).."]"..
"scrollbar[0,2.6;5,0.3;horizontal;g;"..tostring(to_slider_rgb(rgb.g)).."]"..
"label[5.1,2.5;G: "..tostring(rgb.g).."]"..
"scrollbar[0,3.2;5,0.3;horizontal;b;"..tostring(to_slider_rgb(rgb.b)).."]"..
"label[5.1,3.1;B: "..tostring(rgb.b).."]"..
"scrollbaroptions[min=0;max=255]"..
"scrollbar[0,2;5,0.3;horizontal;r;"..rgb.r.."]"..
"label[5.1,1.9;R: "..rgb.r.."]"..
"scrollbar[0,2.6;5,0.3;horizontal;g;"..rgb.g.."]"..
"label[5.1,2.5;G: "..rgb.g.."]"..
"scrollbar[0,3.2;5,0.3;horizontal;b;"..rgb.b.."]"..
"label[5.1,3.1;B: "..rgb.b.."]"..
-- Hex field
"field[0.3,4.5;2,0.8;hex;Hex Color;"..color.."]"..
"button[4.05,4.1;2,1;set;Set color]"
)
end
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 itemstack = player:get_wielded_item()
if fields.set then
if fields.set or fields.quit then
if itemstack:get_name() == "automobiles_lib:painter" then
local meta = itemstack:get_meta()
local hex = fields.hex
@ -103,24 +97,35 @@ minetest.register_on_player_receive_fields(function(player, formname, fields)
meta:set_string("description", "Automobiles Painter ("..hex:upper()..")")
player:set_wielded_item(itemstack)
painter_form(itemstack, player)
return
end
end
end
if fields.r or fields.g or fields.b then
elseif fields.r or fields.g or fields.b then
if itemstack:get_name() == "automobiles_lib:painter" then
-- Save on slider adjustment (hex/alpha will adjust to match the rgba!)
local meta = itemstack:get_meta()
local function sval(value)
return from_slider_rgb(value:gsub(".*:", ""))
local num = math.floor(tonumber((value:gsub(".*:", ""))) or 0)
if num > 255 or num < 0 then num = 0 end
return num
end
meta:set_string("paint_color", rgb_to_hex(sval(fields.r),sval(fields.g),sval(fields.b)))
-- Keep track of what this painter is painting
meta:set_string("description", "Automobiles Painter ("..meta:get_string("paint_color"):upper()..")")
player:set_wielded_item(itemstack)
painter_form(itemstack, player)
formspec_timers[player] = minetest.after(0.2, function(itemstack, name)
local player = minetest.get_player_by_name(name)
if player then
local wield = player:get_wielded_item()
if wield:get_name() == itemstack:get_name() then
player:set_wielded_item(itemstack)
painter_form(itemstack, player)
end
end
formspec_timers[player] = nil
end, itemstack, player:get_player_name())
end
end
return true
end
end)
--[[end of adaptations]]--