Mineclonia/mods/ITEMS/gemalde/init.lua

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-- Count the number of pictures.
local function get_picture(number)
local filename = minetest.get_modpath("gemalde").."/textures/gemalde_"..number..".png"
local file = io.open(filename, "r")
if file ~= nil then io.close(file) return true else return false end
end
local N = 1
while get_picture(N) == true do
N = N + 1
end
N = N - 1
-- register for each picture
for n=1, N do
local groups = {dig_immediate=3, picture=1, not_in_creative_inventory=1, dig_by_piston=1}
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if n == 1 then
groups = {dig_immediate=3, picture=1, deco_block=1, dig_by_piston=1}
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end
local desc, doc, longdesc, usagehelp
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if n == 1 then
desc = "Painting"
doc = true
longdesc = "Paintings are decorations which can be placed on walls and cover a space of 3×3 blocks."
usagehelp = "Rightclick the painting to change it."
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else
desc = "Painting ("..n..")"
doc = false
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end
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-- inivisible node
minetest.register_node("gemalde:node_"..n.."", {
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description = desc,
_doc_items_create_entry = doc,
_doc_items_longdesc = longdesc,
_doc_items_usagehelp = usagehelp,
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drawtype = "signlike",
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tiles = {"gemalde_"..n..".png","gemalde_bg.png"},
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visual_scale = 3.0,
inventory_image = "gemalde_node.png",
is_ground_content = false,
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wield_image = "gemalde_node.png",
paramtype = "light",
paramtype2 = "wallmounted",
sunlight_propagates = true,
walkable = false,
selection_box = {
type = "wallmounted",
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wall_side = { -0.5, -1.5, -1.5, -0.4, 1.5, 1.5 },
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},
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drop = "gemalde:node_1",
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groups = groups,
on_rightclick = function(pos, node, clicker)
local length = string.len (node.name)
local number = string.sub (node.name, 14, length)
-- TODO. Reducing currently not working, because sneaking prevents right click.
local keys=clicker:get_player_control()
if keys["sneak"]==false then
if number == tostring(N) then
number = 1
else
number = number + 1
end
else
if number == 1 then
number = N - 1
else
number = number - 1
end
end
node.name = "gemalde:node_"..number..""
minetest.set_node(pos, node)
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end,
-- TODO.
-- on_place = minetest.rotate_node
})
end
-- initial craft
minetest.register_craft({
output = 'gemalde:node_1',
recipe = {
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{'mcl_core:stick', 'mcl_core:stick', 'mcl_core:stick'},
{'mcl_core:stick', 'group:wool', 'mcl_core:stick'},
{'mcl_core:stick', 'mcl_core:stick', 'mcl_core:stick'},
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}
})