minetest-mods/unifieddyes/api.lua

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2021-05-16 19:11:28 +02:00
-- This file supplies the majority of Unified Dyes' API
local S = minetest.get_translator("unifieddyes")
unifieddyes.player_current_dye = {}
unifieddyes.player_selected_dye = {}
unifieddyes.player_last_right_clicked = {}
unifieddyes.palette_has_color = {}
unifieddyes.player_showall = {}
-- if a node with a palette is placed in the world,
-- but the itemstack used to place it has no palette_index (color byte),
-- create something appropriate to make it officially white.
minetest.register_on_placenode(
function(pos, newnode, placer, oldnode, itemstack, pointed_thing)
local def = minetest.registered_items[newnode.name]
if not def
or not def.palette
or def.after_place_node
or not placer then
return false
end
local param2
if not string.find(itemstack:to_string(), "palette_index") then
if def.palette == "unifieddyes_palette_extended.png"
and def.paramtype2 == "color" then
param2 = 240
elseif def.palette == "unifieddyes_palette_colorwallmounted.png"
and def.paramtype2 == "colorwallmounted" then
param2 = newnode.param2 % 8
elseif string.find(def.palette, "unifieddyes_palette_")
and def.paramtype2 == "colorfacedir" then -- it's a split palette
param2 = newnode.param2 % 32
end
if param2 then
minetest.swap_node(pos, {name = newnode.name, param2 = param2})
end
end
if def.palette ~= "" then
minetest.get_meta(pos):set_int("palette_index", param2 or 240)
end
end
)
-- The complementary function: strip-off the color if the node being dug is still white/neutral
local function move_item(item, pos, inv, digger, fix_color)
if not (digger and digger:is_player()) then return end
local creative = creative_mode or minetest.check_player_privs(digger, "creative")
item = unifieddyes.fix_bad_color_info(item, fix_color)
if inv:room_for_item("main", item)
and (not creative or not inv:contains_item("main", item, true)) then
inv:add_item("main", item)
elseif not creative then
minetest.item_drop(ItemStack(item), digger, pos)
end
minetest.remove_node(pos)
end
function unifieddyes.on_dig(pos, node, digger)
if not digger then return end
local playername = digger:get_player_name()
if minetest.is_protected(pos, playername) then
minetest.record_protection_violation(pos, playername)
return
end
local oldparam2 = minetest.get_node(pos).param2
local def = minetest.registered_items[node.name]
local fix_color
if def.paramtype2 == "color" and oldparam2 == 240 and def.palette == "unifieddyes_palette_extended.png" then
fix_color = 240
elseif def.paramtype2 == "color" and oldparam2 == 0 and def.palette == "unifieddyes_palette_extended.png" then
fix_color = 0
elseif def.paramtype2 == "colorwallmounted" and math.floor(oldparam2 / 8) == 0 and def.palette == "unifieddyes_palette_colorwallmounted.png" then
fix_color = 0
elseif def.paramtype2 == "colorfacedir" and math.floor(oldparam2 / 32) == 0 and string.find(def.palette, "unifieddyes_palette_") then
fix_color = 0
end
local inv = digger:get_inventory()
if fix_color then
move_item(node.name, pos, inv, digger, fix_color)
else
return minetest.node_dig(pos, node, digger)
end
end
-- just stubs to keep old mods from crashing when expecting auto-coloring
-- or getting back the dye on dig.
function unifieddyes.recolor_on_place(foo)
end
function unifieddyes.after_dig_node(foo)
end
-- This helper function creates multiple copies of the passed node,
-- for the split palette - one per hue, plus grey - and assigns
-- proper palettes and other attributes
function unifieddyes.generate_split_palette_nodes(name, def, drop)
for _, color in ipairs(unifieddyes.HUES_WITH_GREY) do
local def2 = table.copy(def)
local desc_color = string.gsub(string.upper(string.sub(color, 1, 1))..string.sub(color, 2), "_", " ")
if string.sub(def2.description, -1) == ")" then
def2.description = string.sub(def2.description, 1, -2)..", "..desc_color.." shades)"
else
def2.description = def2.description.."("..desc_color.." shades)"
end
def2.palette = "unifieddyes_palette_"..color.."s.png"
def2.paramtype2 = "colorfacedir"
def2.groups.ud_param2_colorable = 1
if drop then
def2.drop = {
items = {
{items = {drop.."_"..color}, inherit_color = true },
}
}
end
minetest.register_node(":"..name.."_"..color, def2)
end
end
-- This helper function creates a colored itemstack
function unifieddyes.fix_bad_color_info(item, paletteidx)
local stack=minetest.itemstring_with_color(item, paletteidx)
return string.gsub(stack, "u0001color", "u0001palette_index")
end
function unifieddyes.make_colored_itemstack(item, palette, color)
local paletteidx = unifieddyes.getpaletteidx(color, palette)
return unifieddyes.fix_bad_color_info(item, paletteidx), paletteidx
end
-- these helper functions register all of the recipes needed to create colored
-- nodes with any of the dyes supported by that node's palette.
local function register_c(craft, h, sat, val)
local hue = (type(h) == "table") and h[1] or h
local color = ""
if val then
if craft.palette == "wallmounted" then
color = val..hue..sat
else
color = val..hue..sat
end
else
color = hue -- if val is nil, then it's grey.
end
local dye = "dye:"..color
local recipe = minetest.serialize(craft.recipe)
recipe = string.gsub(recipe, "MAIN_DYE", dye)
recipe = string.gsub(recipe, "NEUTRAL_NODE", craft.neutral_node)
local newrecipe = minetest.deserialize(recipe)
local coutput = craft.output or ""
local output = coutput
if craft.output_prefix then
if craft.palette ~= "split" then
output = craft.output_prefix..color..craft.output_suffix..coutput
else
if hue == "white" or hue == "black" or string.find(hue, "grey") then
output = craft.output_prefix.."grey"..craft.output_suffix..coutput
elseif hue == "pink" then
dye = "dye:light_red"
output = craft.output_prefix.."red"..craft.output_suffix..coutput
else
output = craft.output_prefix..hue..craft.output_suffix..coutput
end
end
end
local colored_itemstack =
unifieddyes.make_colored_itemstack(output, craft.palette, dye)
minetest.register_craft({
output = colored_itemstack,
type = craft.type,
recipe = newrecipe
})
end
function unifieddyes.register_color_craft(craft)
local hues_table = unifieddyes.HUES_EXTENDED
local sats_table = unifieddyes.SATS
local vals_table = unifieddyes.VALS_SPLIT
local greys_table = unifieddyes.GREYS
if craft.palette == "wallmounted" then
register_c(craft, "green", "", "light_")
register_c(craft, "blue", "", "light_")
hues_table = unifieddyes.HUES_WALLMOUNTED
sats_table = {""}
vals_table = unifieddyes.VALS
elseif craft.palette == "extended" then
vals_table = unifieddyes.VALS_EXTENDED
greys_table = unifieddyes.GREYS_EXTENDED
end
for _, hue in ipairs(hues_table) do
for _, val in ipairs(vals_table) do
for _, sat in ipairs(sats_table) do
if sat == "_s50" and val ~= "" and val ~= "medium_" and val ~= "dark_" then break end
register_c(craft, hue, sat, val)
end
end
end
for _, grey in ipairs(greys_table) do
register_c(craft, grey)
end
register_c(craft, "pink")
end
-- code borrowed from homedecor
-- call this function to reset the rotation of a "wallmounted" object on place
function unifieddyes.fix_rotation(pos, placer, itemstack, pointed_thing)
local node = minetest.get_node(pos)
local colorbits = node.param2 - (node.param2 % 8)
local yaw = placer:get_look_horizontal()
local dir = minetest.yaw_to_dir(yaw) -- -1.5)
local pitch = placer:get_look_vertical()
local fdir = minetest.dir_to_wallmounted(dir)
if pitch < -(math.pi/8) then
fdir = 0
elseif pitch > math.pi/8 then
fdir = 1
end
minetest.swap_node(pos, { name = node.name, param2 = fdir+colorbits })
end
-- use this when you have a "wallmounted" node that should never be oriented
-- to floor or ceiling...
function unifieddyes.fix_rotation_nsew(pos, placer, itemstack, pointed_thing)
local node = minetest.get_node(pos)
local colorbits = node.param2 - (node.param2 % 8)
local yaw = placer:get_look_horizontal()
local dir = minetest.yaw_to_dir(yaw+1.5)
local fdir = minetest.dir_to_wallmounted(dir)
minetest.swap_node(pos, { name = node.name, param2 = fdir+colorbits })
end
-- ... and use this one to force that kind of node off of floor/ceiling
-- orientation after the screwdriver rotates it.
function unifieddyes.fix_after_screwdriver_nsew(pos, node, user, mode, new_param2)
local new_fdir = new_param2 % 8
local color = new_param2 - new_fdir
if new_fdir < 2 then
new_fdir = 2
minetest.swap_node(pos, { name = node.name, param2 = new_fdir + color })
return true
end
end
function unifieddyes.is_buildable_to(placer_name, ...)
for _, pos in ipairs({...}) do
local node = minetest.get_node_or_nil(pos)
local def = node and minetest.registered_nodes[node.name]
if not (def and def.buildable_to) or minetest.is_protected(pos, placer_name) then
return false
end
end
return true
end
function unifieddyes.get_hsv(name) -- expects a node/item name
local hue = ""
local a,b
for _, i in ipairs(unifieddyes.HUES_EXTENDED) do
a,b = string.find(name, "_"..i[1])
if a then
hue = i[1]
break
end
end
if string.find(name, "_light_grey") then hue = "light_grey"
elseif string.find(name, "_lightgrey") then hue = "light_grey"
elseif string.find(name, "_dark_grey") then hue = "dark_grey"
elseif string.find(name, "_darkgrey") then hue = "dark_grey"
elseif string.find(name, "_grey") then hue = "grey"
elseif string.find(name, "_white") then hue = "white"
elseif string.find(name, "_black") then hue = "black"
end
local sat = ""
if string.find(name, "_s50") then sat = "_s50" end
local val = ""
if string.find(name, "dark_") then val = "dark_" end
if string.find(name, "medium_") then val = "medium_" end
if string.find(name, "light_") then val = "light_" end
return hue, sat, val
end
-- code partially borrowed from cheapie's plasticbox mod
-- in the function below, color is just a color string, while
-- palette_type can be:
--
-- "extended" = 256 color palette
-- "split" = 200 color palette split into pieces for colorfacedir
-- "wallmounted" = 32-color abridged palette
function unifieddyes.getpaletteidx(color, palette_type)
local origcolor = color
if string.sub(color,1,4) == "dye:" then
color = string.sub(color,5,-1)
elseif string.sub(color,1,12) == "unifieddyes:" then
color = string.sub(color,13,-1)
else
return
end
if palette_type == "wallmounted" then
if unifieddyes.gpidx_grayscale_wallmounted[color] then
return (unifieddyes.gpidx_grayscale_wallmounted[color] * 8), 0
end
elseif palette_type == "split" then
if unifieddyes.gpidx_grayscale[color] then
return (unifieddyes.gpidx_grayscale[color] * 32), 0
end
elseif palette_type == "extended" then
if unifieddyes.gpidx_grayscale_extended[color] then
return unifieddyes.gpidx_grayscale_extended[color]+240, 0
end
end
local shade = "" -- assume full
if string.sub(color,1,6) == "faint_" then
shade = "faint"
color = string.sub(color,7,-1)
elseif string.sub(color,1,7) == "pastel_" then
shade = "pastel"
color = string.sub(color,8,-1)
elseif string.sub(color,1,6) == "light_" then
shade = "light"
color = string.sub(color,7,-1)
elseif string.sub(color,1,7) == "bright_" then
shade = "bright"
color = string.sub(color,8,-1)
elseif string.sub(color,1,7) == "medium_" then
shade = "medium"
color = string.sub(color,8,-1)
elseif string.sub(color,1,5) == "dark_" then
shade = "dark"
color = string.sub(color,6,-1)
end
if string.sub(color,-4,-1) == "_s50" then
shade = shade.."s50"
color = string.sub(color,1,-5)
end
if palette_type == "wallmounted" then
if color == "green" and shade == "light" then return 48,3
elseif color == "brown" then return 17,1
elseif color == "pink" then return 56,7
elseif color == "blue" and shade == "light" then return 40,5
elseif unifieddyes.gpidx_hues_wallmounted[color] and unifieddyes.gpidx_shades_wallmounted[shade] then
return (unifieddyes.gpidx_shades_wallmounted[shade] * 64 + unifieddyes.gpidx_hues_wallmounted[color] * 8), unifieddyes.gpidx_hues_wallmounted[color]
end
else
if color == "brown" then
color = "orange"
shade = "medium"
elseif color == "pink" then
color = "red"
shade = "light"
end
if palette_type == "split" then -- it's colorfacedir
if unifieddyes.gpidx_hues_extended[color] and unifieddyes.gpidx_shades_split[shade] then
return (unifieddyes.gpidx_shades_split[shade] * 32), unifieddyes.gpidx_hues_extended[color]+1
end
elseif palette_type == "extended" then
if unifieddyes.gpidx_hues_extended[color] and unifieddyes.gpidx_shades_extended[shade] then
return (unifieddyes.gpidx_hues_extended[color] + unifieddyes.gpidx_shades_extended[shade]*24), unifieddyes.gpidx_hues_extended[color]
end
end
end
end
function unifieddyes.get_color_from_dye_name(name)
if name == "dye:black" then
return "000000"
elseif name == "dye:white" then
return "ffffff"
end
local item = minetest.registered_items[name]
if not item then return end
local inv_image = item.inventory_image
if not inv_image then return end
return string.match(inv_image,"colorize:#(......):200")
end
-- get a node's dye color based on its palette and param2
function unifieddyes.color_to_name(param2, def)
if not param2 or not def or not def.palette then return end
if def.palette == "unifieddyes_palette_extended.png" then
local color = param2
local v = 0
local s = 1
if color < 24 then v = 1
elseif color > 23 and color < 48 then v = 2
elseif color > 47 and color < 72 then v = 3
elseif color > 71 and color < 96 then v = 4
elseif color > 95 and color < 120 then v = 5
elseif color > 119 and color < 144 then v = 5 s = 2
elseif color > 143 and color < 168 then v = 6
elseif color > 167 and color < 192 then v = 6 s = 2
elseif color > 191 and color < 216 then v = 7
elseif color > 215 and color < 240 then v = 7 s = 2
end
if color > 239 then
if color == 240 then return "white"
elseif color == 244 then return "light_grey"
elseif color == 247 then return "grey"
elseif color == 251 then return "dark_grey"
elseif color == 255 then return "black"
else return "grey_"..15-(color-240)
end
else
local h = color - math.floor(color/24)*24
return unifieddyes.VALS_EXTENDED[v]..unifieddyes.HUES_EXTENDED[h+1][1]..unifieddyes.SATS[s]
end
elseif def.palette == "unifieddyes_palette_colorwallmounted.png" then
local color = math.floor(param2 / 8)
if color == 0 then return "white"
elseif color == 1 then return "light_grey"
elseif color == 2 then return "grey"
elseif color == 3 then return "dark_grey"
elseif color == 4 then return "black"
elseif color == 5 then return "light_blue"
elseif color == 6 then return "light_green"
elseif color == 7 then return "pink"
end
local v = math.floor(color/8)
local h = color - v * 8
return unifieddyes.VALS[v]..unifieddyes.HUES_WALLMOUNTED[h+1]
elseif string.find(def.palette, "unifieddyes_palette") then -- it's the split palette
-- palette names in this mode are always "unifieddyes_palette_COLORs.png"
local s = string.sub(def.palette, 21)
local color = string.sub(s, 1, string.find(s, "s.png")-1)
local v = math.floor(param2/32)
if color ~= "grey" then
if v == 0 then return "faint_"..color
elseif v == 1 then return color
elseif v == 2 then return color.."_s50"
elseif v == 3 then return "light_"..color
elseif v == 4 then return "medium_"..color
elseif v == 5 then return "medium_"..color.."_s50"
elseif v == 6 then return "dark_"..color
elseif v == 7 then return "dark_"..color.."_s50"
end
else
if v > 0 and v < 6 then return unifieddyes.GREYS[v]
else return "white"
end
end
end
end