version 0.21

mods/protector/README.md

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+minetest-protect
+================
+
+Protector mod for minetest
+based on glomie's mod, remade by Zeg9 and reworked by TenPlus1 to support minetest 0.4.9

mods/protector/depends.txt

@@ -0,0 +1 @@
+default

mods/protector/init.lua

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+minetest.register_privilege("delprotect","Delete other's protection")
+
+protector = {}
+
+protector.get_member_list = function(meta)
+	local s = meta:get_string("members")
+	local list = s:split(" ")
+	return list
+end
+
+protector.set_member_list = function(meta, list)
+	meta:set_string("members", table.concat(list, " "))
+end
+
+protector.is_member = function (meta, name)
+	local list = protector.get_member_list(meta)
+	for _, n in ipairs(list) do
+		if n == name then
+			return true
+		end
+	end
+	return false
+end
+
+protector.add_member = function(meta, name)
+	if protector.is_member(meta, name) then return end
+	local list = protector.get_member_list(meta)
+	table.insert(list,name)
+	protector.set_member_list(meta,list)
+end
+
+protector.del_member = function(meta,name)
+	local list = protector.get_member_list(meta)
+	for i, n in ipairs(list) do
+		if n == name then
+			table.remove(list, i)
+			break
+		end
+	end
+	protector.set_member_list(meta,list)
+end
+
+-- Protector Interface
+
+protector.generate_formspec = function(meta)
+	if meta:get_int("page") == nil then meta:set_int("page",0) end
+	local formspec = "size[8,7]"
+		.."label[0,0;-- Protector interface --]"
+		.."label[0,1;Punch node to show protected area]"
+		.."label[0,2;Members: (type nick, press Enter to add)]"
+	members = protector.get_member_list(meta)
+	
+	local npp = 12 -- was 15, names per page, for the moment is 4*4 (-1 for the + button)
+	local s = 0
+	local i = 0
+	for _, member in ipairs(members) do
+		if s < meta:get_int("page")*15 then s = s +1 else
+			if i < npp then
+				formspec = formspec .. "button["..(i%4*2)..","
+				..math.floor(i/4+3)..";1.5,.5;protector_member;"..member.."]"
+				formspec = formspec .. "button["..(i%4*2+1.25)..","
+				..math.floor(i/4+3)..";.75,.5;protector_del_member_"..member..";X]"
+			end
+			i = i +1
+		end
+	end
+	local add_i = i
+	if add_i < npp then
+		formspec = formspec
+		.."field["..(add_i%4*2+1/3)..","..(math.floor(add_i/4+3)+1/3)..";1.433,.5;protector_add_member;;]"
+	end
+	               		formspec = formspec.."button_exit[1,6.2;2,0.5;close_me;<< Back]"
+	return formspec
+end
+
+-- ACTUAL PROTECTION SECTION
+
+-- r: radius to check for protects
+-- Infolevel:
+-- * 0 for no info
+-- * 1 for "This area is owned by <owner> !" if you can't dig
+-- * 2 for "This area is owned by <owner>.
+--   Members are: <members>.", even if you can dig
+
+protector.can_dig = function(r,pos,digger,onlyowner,infolevel)
+
+	if not digger then
+		return false
+	end
+
+	local whois = digger
+
+	-- Delprotect privileged users can override protections
+
+	if minetest.check_player_privs(whois, {delprotect=true}) and infolevel < 3 then
+		return true
+	end
+
+	if infolevel == 3 then infolevel = 1 end
+
+	-- Find the protector nodes
+
+	local positions = minetest.find_nodes_in_area(
+		{x=pos.x-r, y=pos.y-r, z=pos.z-r},
+		{x=pos.x+r, y=pos.y+r, z=pos.z+r},
+		"protector:protect")
+
+	for _, pos in ipairs(positions) do
+		local meta = minetest.env:get_meta(pos)
+		local owner = meta:get_string("owner")
+
+		if owner ~= whois then 
+			if onlyowner or not protector.is_member(meta, whois) then
+				if infolevel == 1 then
+					minetest.chat_send_player(whois, "This area is owned by "..owner.." !")
+				elseif infolevel == 2 then
+					minetest.chat_send_player(whois,"This area is owned by "..meta:get_string("owner")..".")
+					if meta:get_string("members") ~= "" then
+						minetest.chat_send_player(whois,"Members: "..meta:get_string("members")..".")
+					end
+				end
+				return false
+			end
+		end
+	end
+
+	if infolevel == 2 then
+		if #positions < 1 then
+			minetest.chat_send_player(whois,"This area is not protected.")
+		else
+			local meta = minetest.env:get_meta(positions[1])
+			minetest.chat_send_player(whois,"This area is owned by "..meta:get_string("owner")..".")
+			if meta:get_string("members") ~= "" then
+				minetest.chat_send_player(whois,"Members: "..meta:get_string("members")..".")
+			end
+		end
+		minetest.chat_send_player(whois,"You can build here.")
+	end
+	return true
+end
+
+-- Can node be added or removed, if so return node else true (for protected)
+
+protector.old_is_protected = minetest.is_protected
+minetest.is_protected = function(pos, digger)
+
+	if protector.can_dig(5, pos, digger, false, 1) then
+		return protector.old_is_protected(pos, digger)
+	else
+		return true
+	end
+end
+
+-- Make sure protection block doesn't overlap another block's area
+
+protector.old_node_place = minetest.item_place
+function minetest.item_place(itemstack, placer, pointed_thing)
+
+	if itemstack:get_name() == "protector:protect" then
+		local pos = pointed_thing.above
+		local user = placer:get_player_name()
+		if protector.can_dig(10, pos, user, true, 3) then
+-- 
+		else
+			minetest.chat_send_player(placer:get_player_name(),"Overlaps into another protected area")
+			return protector.old_node_place(itemstack, placer, pos)
+		end
+	end
+
+	return protector.old_node_place(itemstack, placer, pointed_thing)
+end
+
+-- END
+
+minetest.register_node("protector:protect", {
+	description = "Protection",
+	tiles = {"protector_top.png","protector_top.png","protector_side.png"},
+	sounds = default.node_sound_stone_defaults(),
+	groups = {dig_immediate=2},
+	drawtype = "nodebox",
+	node_box = {
+		type="fixed",
+		fixed = { -0.5, -0.5, -0.5, 0.5, 0.5, 0.5 },
+	},
+	selection_box = { type="regular" },
+	paramtype = "light",
+
+	after_place_node = function(pos, placer)
+		local meta = minetest.env:get_meta(pos)
+		meta:set_string("owner", placer:get_player_name() or "")
+		meta:set_string("infotext", "Protection (owned by "..
+		meta:get_string("owner")..")")
+		meta:set_string("members", "")
+	end,
+
+	on_use = function(itemstack, user, pointed_thing)
+		if pointed_thing.type ~= "node" then
+			return
+		end
+
+		protector.can_dig(5,pointed_thing.under,user:get_player_name(),false,2)
+	end,
+
+	on_rightclick = function(pos, node, clicker, itemstack)
+		local meta = minetest.env:get_meta(pos)
+		if protector.can_dig(1,pos,clicker:get_player_name(),true,1) then
+			minetest.show_formspec(clicker:get_player_name(), 
+			"protector_"..minetest.pos_to_string(pos), protector.generate_formspec(meta)
+			)
+		end
+	end,
+
+	on_punch = function(pos, node, puncher)
+		if not protector.can_dig(1,pos,puncher:get_player_name(),true,1) then
+			return
+		end
+
+		local objs = minetest.env:get_objects_inside_radius(pos,.5)
+		minetest.env:add_entity(pos, "protector:display")
+		minetest.env:get_node_timer(pos):start(10)
+	end,
+
+	on_timer = function(pos)
+		local objs = minetest.env:get_objects_inside_radius(pos,.5)
+		for _, o in pairs(objs) do
+			if (not o:is_player()) and o:get_luaentity().name == "protector:display" then
+				o:remove()
+			end
+		end
+	end,
+})
+
+minetest.register_on_player_receive_fields(function(player,formname,fields)
+	if string.sub(formname,0,string.len("protector_")) == "protector_" then
+		local pos_s = string.sub(formname,string.len("protector_")+1)
+		local pos = minetest.string_to_pos(pos_s)
+		local meta = minetest.env:get_meta(pos)
+
+		if meta:get_int("page") == nil then meta:set_int("page",0) end
+
+		if not protector.can_dig(1,pos,player:get_player_name(),true,1) then
+			return
+		end
+
+		if fields.protector_add_member then
+			for _, i in ipairs(fields.protector_add_member:split(" ")) do
+				protector.add_member(meta,i)
+			end
+		end
+
+		for field, value in pairs(fields) do
+			if string.sub(field,0,string.len("protector_del_member_"))=="protector_del_member_" then
+				protector.del_member(meta, string.sub(field,string.len("protector_del_member_")+1))
+			end
+		end
+
+		if fields.protector_page_prev then
+			meta:set_int("page",meta:get_int("page")-1)
+		end
+
+		if fields.protector_page_next then
+			meta:set_int("page",meta:get_int("page")+1)
+		end
+
+		if fields.close_me then
+			meta:set_int("page",meta:get_int("page"))
+			else minetest.show_formspec(player:get_player_name(), formname,	protector.generate_formspec(meta))
+		end
+	end
+end)
+
+minetest.register_craft({
+	output = "protector:protect 4",
+	recipe = {
+		{"default:stone","default:stone","default:stone"},
+		{"default:stone","default:steel_ingot","default:stone"},
+		{"default:stone","default:stone","default:stone"},
+	}
+})
+
+minetest.register_entity("protector:display", {
+	physical = false,
+	collisionbox = {0,0,0,0,0,0},
+	visual = "wielditem",
+	visual_size = {x=1.0/1.5,y=1.0/1.5}, -- wielditem seems to be scaled to 1.5 times original node size
+	textures = {"protector:display_node"},
+	on_step = function(self, dtime)
+		if minetest.get_node(self.object:getpos()).name ~= "protector:protect" then
+			self.object:remove()
+			return
+		end
+	end,
+})
+
+-- Display-zone node.
+-- Do NOT place the display as a node
+-- it is made to be used as an entity (see above)
+
+minetest.register_node("protector:display_node", {
+	tiles = {"protector_display.png"},
+	use_texture_alpha = true,
+	walkable = false,
+	drawtype = "nodebox",
+	node_box = {
+		type = "fixed",
+		fixed = {
+			-- sides
+			{-5.55, -5.55, -5.55, -5.45, 5.55, 5.55},
+			{-5.55, -5.55, 5.45, 5.55, 5.55, 5.55},
+			{5.45, -5.55, -5.55, 5.55, 5.55, 5.55},
+			{-5.55, -5.55, -5.55, 5.55, 5.55, -5.45},
+			-- top
+			{-5.55, 5.45, -5.55, 5.55, 5.55, 5.55},
+			-- bottom
+			{-5.55, -5.55, -5.55, 5.55, -5.45, 5.55},
+			-- middle (surround protector)
+			{-.55,-.55,-.55, .55,.55,.55},
+		},
+	},
+	selection_box = {
+		type = "regular",
+	},
+	paramtype = "light",
+	groups = {dig_immediate=3,not_in_creative_inventory=1},
+	drop = "",
+})