Initial commit

LICENSE

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+MIT License
+
+Copyright (c) 2017 Thomas S.
+
+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.

README.md

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+# ts_workshop
+
+This mod made by Thomas-S adds an API for workshops.
+
+For license information see the file `LICENSE`.
+
+```lua
+workshop.register_workshop("example", "workshop", {
+	enough_supply = function(pos, selection)
+	end,
+	remove_supply = function(pos, selection)
+	end,
+	update_formspec = function(pos)
+	end,
+	update_inventory = function(pos)
+	end,
+	on_receive_fields = function(pos)
+	end,
+	on_construct = function(pos)
+	end,
+	allow_metadata_inventory_move = function(pos, from_list, from_index, to_list, to_index, count, player)
+	end,
+	allow_metadata_inventory_put = function(pos, listname, index, stack, player)
+	end,
+	allow_metadata_inventory_take = function(pos, listname, index, stack, player)
+	end,
+	can_dig = function(pos, player)
+	end,
+	
+	-- everything else is simply passed to minetest.register_node()
+})
+```

description.txt

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+API for workshops

init.lua

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+workshop = {}
+
+function workshop.register_workshop(mod, name, def)
+	if not workshop[mod] then
+		workshop[mod] = {}
+	end
+	if not workshop[mod][name] then
+		workshop[mod][name] = {}
+	end
+
+	workshop[mod][name].enough_supply = def.enough_supply
+	workshop[mod][name].remove_supply = def.remove_supply
+	workshop[mod][name].update_formspec_raw = def.update_formspec
+	workshop[mod][name].update_inventory_raw = def.update_inventory
+
+
+	workshop[mod][name].start = function(pos)
+		local node = minetest.get_node(pos)
+		if not (mod and name) then
+			mod, name = minetest.get_node(pos).name:match("([^:]+):([^:]+)")
+		end
+		if node.name ~= mod .. ":" .. name or not workshop[mod][name] then
+			return
+		end
+
+		local meta = minetest.get_meta(pos)
+		if meta:get_string("working_on") ~= "" then
+			return
+		end
+
+		local selection = meta:get_string("selection")
+		if selection and selection ~= "" then
+			if not workshop[mod][name].enough_supply(pos, selection) then
+				return
+			end
+		else
+			return
+		end
+
+		local inv = meta:get_inventory()
+		if not inv:room_for_item("output", { name = selection, count = 1 }) then
+			return
+		end
+
+		meta:set_string("working_on", selection)
+		meta:set_int("progress", 0)
+
+		workshop[mod][name].remove_supply(pos, selection)
+
+		workshop[mod][name].step(pos)
+	end
+
+	workshop[mod][name].step = function(pos)
+		local node = minetest.get_node(pos)
+		if not (mod and name) then
+			mod, name = minetest.get_node(pos).name:match("([^:]+):([^:]+)")
+		end
+		if node.name ~= mod .. ":" .. name or not workshop[mod][name] then
+			return
+		end
+
+		local meta = minetest.get_meta(pos)
+		if meta:get_string("working_on") ~= "" then
+			return
+		end
+
+		local working_on = meta:get_string("working_on")
+
+		local progress = meta:get_int("progress")
+		progress = progress + 1
+
+		local duration = 10
+		if minetest.registered_items[working_on] and
+				minetest.registered_items[working_on].workshop_duration then
+			duration = minetest.registered_items[working_on].workshop_duration
+		end
+
+		if progress < duration then
+			meta:set_int("progress", progress)
+			minetest.after(0.2, workshop[mod][name].step, pos)
+		else
+			meta:set_int("progress", 0)
+			progress = 0
+			local inv = meta:get_inventory()
+			inv:add_item("output", working_on)
+			meta:set_string("working_on", "")
+			workshop[mod][name].start(pos)
+		end
+
+		workshop[mod][name].update_formspec(pos)
+	end
+
+	workshop[mod][name].update_formpec = function(pos)
+		if not (mod and name) then
+			mod, name = minetest.get_node(pos).name:match("([^:]+):([^:]+)")
+		end
+		local node = minetest.get_node(pos)
+		if node.name ~= mod .. ":" .. name or not workshop[mod][name] then
+			return
+		end
+		workshop[mod][name].update_formspec_raw(pos)
+	end
+
+	workshop[mod][name].update_inventory = function(pos)
+		if not (mod and name) then
+			mod, name = minetest.get_node(pos).name:match("([^:]+):([^:]+)")
+		end
+		local node = minetest.get_node(pos)
+		if node.name ~= mod .. ":" .. name or not workshop[mod][name] then
+			return
+		end
+		workshop[mod][name].update_inventory_raw(pos)
+		workshop[mod][name].update_formpec(pos)
+		workshop[mod][name].start(pos)
+	end
+
+	workshop[mod][name].on_receive_fields = function(pos, formname, fields, sender)
+		def.on_receive_fields(pos, formname, fields, sender)
+	end
+
+	workshop[mod][name].on_construct = function(pos)
+		def.on_construct(pos)
+		if not (mod and name) then
+			mod, name = minetest.get_node(pos).name:match("([^:]+):([^:]+)")
+		end
+		workshop[mod][name].update_formpec(pos)
+	end
+
+	workshop[mod][name].allow_metadata_inventory_move = function(pos, from_list, from_index, to_list, to_index, count, player)
+		return def.allow_metadata_inventory_move(pos, from_list, from_index, to_list, to_index, count, player)
+	end
+
+	workshop[mod][name].allow_metadata_inventory_put = function(pos, listname, index, stack, player)
+		return def.allow_metadata_inventory_put(pos, listname, index, stack, player)
+	end
+
+	workshop[mod][name].allow_metadata_inventory_take = function(pos, listname, index, stack, player)
+		return def.allow_metadata_inventory_take(pos, listname, index, stack, player)
+	end
+
+	workshop[mod][name].on_metadata_inventory_move = function(pos, from_list, from_index, to_list, to_index, count, player)
+		if not (mod and name) then
+			mod, name = minetest.get_node(pos).name:match("([^:]+):([^:]+)")
+		end
+		workshop[mod][name].update_inventory(pos)
+	end
+
+	workshop[mod][name].on_metadata_inventory_put = function(pos, listname, index, stack, player)
+		if not (mod and name) then
+			mod, name = minetest.get_node(pos).name:match("([^:]+):([^:]+)")
+		end
+		workshop[mod][name].update_inventory(pos)
+	end
+
+	workshop[mod][name].on_metadata_inventory_take = function(pos, listname, index, stack, player)
+		if not (mod and name) then
+			mod, name = minetest.get_node(pos).name:match("([^:]+):([^:]+)")
+		end
+		workshop[mod][name].update_inventory(pos)
+	end
+
+	workshop[mod][name].can_dig = function(pos, player)
+		def.can_dig(pos, player)
+	end
+
+	local ndef = table.copy(def)
+	ndef.on_receive_fields = workshop[mod][name].on_receive_fields
+	ndef.on_construct = workshop[mod][name].on_construct
+	ndef.allow_metadata_inventory_move = workshop[mod][name].allow_metadata_inventory_move
+	ndef.allow_metadata_inventory_put = workshop[mod][name].allow_metadata_inventory_put
+	ndef.allow_metadata_inventory_take = workshop[mod][name].allow_metadata_inventory_take
+	ndef.on_metadata_inventory_move = workshop[mod][name].on_metadata_inventory_move
+	ndef.on_metadata_inventory_put = workshop[mod][name].on_metadata_inventory_put
+	ndef.on_metadata_inventory_take = workshop[mod][name].on_metadata_inventory_take
+	ndef.can_dig = workshop[mod][name].can_dig
+
+	minetest.register_node(mod .. ":" .. name, ndef)
+end

mod.conf

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+name = ts_workshop