134 lines
6.3 KiB
Lua
134 lines
6.3 KiB
Lua
--[[
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Ingots - allows the placemant of ingots in the world
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Copyright (C) 2018 Skamiz Kazzarch
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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]]--
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-- takes an item name and a texture name and a boolean whether the ingots are big
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function ingots.register_ingots(ingot_item, texture, is_big)
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--checks, whether the item name is a valid item (thanks 'puzzlecube')
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if not minetest.registered_items[ingot_item] then
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minetest.log("warning", ingot_item.." is not registered. Skipping ingot registration")
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return
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end
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-- de hardcoded modname, which allows the api to be properly used from within other mods (thanks 'argyle')
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local mod_name = minetest.get_current_modname()
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local mod_prefix = mod_name .. ":"
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local stack_size = 8
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local texture_prefix = "ingot_big_"
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--gets item name witout mod part, to be used in the deffinition of the new nodes
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local ingot_name = string.sub(ingot_item, string.find(ingot_item, ":", 1, true) +1, -1)
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--this way there is no need for a separate on_punch function for a stack of 1 ingot
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minetest.register_alias(mod_prefix .. ingot_name .."_0", "air")
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--gives the ingot_item the ability to be placed and increas already placed stacks of ingots
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minetest.override_item(ingot_item, {
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on_place = function (itemstack, placer, pointed_thing)
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local pos = minetest.get_pointed_thing_position(pointed_thing, true)
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if minetest.is_protected(pos, placer:get_player_name()) and not minetest.check_player_privs(placer, "protection_bypass") then
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return
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end
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if pointed_thing["type"] == "node" then
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local name = minetest.get_node(pointed_thing.under).name
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-- call on_rightclick function of pointed node if aplicable and not sneak
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-- might or might not break if item is placed by mod devices
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if minetest.registered_nodes[name].on_rightclick and
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not placer:get_player_control().sneak
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then
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minetest.registered_nodes[name].on_rightclick(pointed_thing.under,
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minetest.get_node(pointed_thing.under),
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placer,
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itemstack)
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elseif string.find(name, mod_prefix .. ingot_name) then
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local count = string.gsub(name, "%D*", "")
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if stack_size > minetest.registered_nodes[minetest.get_node(pointed_thing.under).name]._ingot_count then
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minetest.set_node(pointed_thing.under, {name = mod_prefix .. ingot_name .."_" .. count + 1, param2 = minetest.get_node(pointed_thing.under).param2})
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if not (creative and creative.is_enabled_for and creative.is_enabled_for(placer:get_player_name())) then
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itemstack:take_item()
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end
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elseif minetest.get_node(pointed_thing.above).name == "air" then
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minetest.set_node(pointed_thing.above, {name = mod_prefix .. ingot_name .."_1"})
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if not (creative and creative.is_enabled_for and creative.is_enabled_for(placer:get_player_name())) then
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itemstack:take_item()
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end
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end
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elseif minetest.get_node(pointed_thing.above).name == "air" then
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minetest.set_node(pointed_thing.above, {name = mod_prefix .. ingot_name .."_1"})
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if not (creative and creative.is_enabled_for and creative.is_enabled_for(placer:get_player_name())) then
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itemstack:take_item()
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end
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end
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return itemstack
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end
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end
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})
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--registers 'stack_size' number of nodes, each has one more ingot in it than the last
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for i = 1, stack_size do
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local box = {
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type = "fixed",
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fixed = {
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--rectangular box which encompases all placed ingots
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ingots.get_box(is_big, i),
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},
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}
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minetest.register_node(mod_prefix .. ingot_name .. "_" .. i,{
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_doc_items_create_entry = false,
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description = "ingots",
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drawtype = "mesh",
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tiles = {texture},
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mesh = texture_prefix .. i .. ".obj",
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selection_box = box,
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collision_box = box,
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paramtype = 'light',
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paramtype2 = "facedir",
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groups = {cracky = 3, level = 2, not_in_creative_inventory = 1},
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drop = ingot_item .. " " .. i,
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on_punch = function (pos, node, puncher, pointed_thing)
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if puncher then
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local wield = puncher:get_wielded_item()
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--checks, so that a stack can be taken appart only by hand or relevant ingot_item
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if wield:get_name() == ingot_item or
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wield:get_count() == 0 then
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if minetest.is_protected(pos, puncher:get_player_name()) and not minetest.check_player_privs(puncher, "protection_bypass") then
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return
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end
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minetest.set_node(pos, {name = mod_prefix .. ingot_name .."_" .. i - 1, param2 = node.param2})
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if not (creative and creative.is_enabled_for and creative.is_enabled_for(puncher:get_player_name())) then
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local stack = ItemStack(ingot_item)
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puncher:get_inventory():add_item("main", stack)
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end
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end
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end
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end,
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_ingot_name = ingot_name,
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_ingot_count = i,
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})
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end
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end
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--returns an apropriate nodebox for a given number of ingots
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function ingots.get_box(is_big, i)
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if is_big then return {-0.5, -0.5, -0.5, 0.5, (((i + 1 - ((i +1 )%2)) / 8) - 0.5), 0.5}
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else return {-0.5, -0.5, -0.5, 0.5, (((i - 1 - ((i-1)%8)) / 8) - 3) / 8, 0.5}
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end
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end
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