103 lines
3.4 KiB
Lua
103 lines
3.4 KiB
Lua
--Basic protect by rnd, 2016
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local protector = {};
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protector.radius = 20; -- 20x20x20 area
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protector.cache = {};
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local old_is_protected = minetest.is_protected
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function minetest.is_protected(pos, digger)
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local r = protector.radius;
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local p = {x=math.floor((pos.x)/r)*r,y=math.floor((pos.y)/r)*r,z=math.floor((pos.z)/r)*r}
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if not protector.cache[digger] then -- cache current check for faster future lookups
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protector.cache[digger] = p;
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else
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local p0 = protector.cache[digger];
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if (p0.x==p.x and p0.y==p.y and p0.z==p.z) then -- already checked, just lookup
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return protector.cache[digger].is_protected
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else
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protector.cache[digger] = p; -- refresh cache
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end
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end
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if minetest.get_node(p).name == "basic_protect:protector" then
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local meta = minetest.get_meta(p);
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local owner = meta:get_string("owner");
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if digger~=owner then
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minetest.chat_send_player(digger, "area owned by " .. owner);
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protector.cache[digger].is_protected = true;
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return true
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end
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end
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protector.cache[digger].is_protected = old_is_protected(pos, digger);
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return protector.cache[digger].is_protected;
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end
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minetest.register_node("basic_protect:protector", {
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description = "Protects a rectangle area of size " .. protector.radius,
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tiles = {"basic_protector.png"},
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groups = {oddly_breakable_by_hand=2},
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sounds = default.node_sound_wood_defaults(),
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on_place = function(itemstack, placer, pointed_thing)
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--after_place_node = function(pos, placer)
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local pos = pointed_thing.under;
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local name = placer:get_player_name();
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local r = protector.radius;
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local p = {x=math.floor((pos.x)/r)*r,y=math.floor((pos.y)/r)*r,z=math.floor((pos.z)/r)*r}
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if minetest.get_node(p).name == "basic_protect:protector" then
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minetest.chat_send_player(name,"area already protected at " .. minetest.pos_to_string(p));
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return nil
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end
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minetest.set_node(p, {name = "basic_protect:protector"});
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local meta = minetest.get_meta(p);meta:set_string("owner",name);
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minetest.chat_send_player(name, "#protector: protected new area (" .. p.x .. "," .. p.y .. "," .. p.z .. ") + " .. protector.radius-1 .. " nodes");
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meta:set_string("infotext", "property of " .. name);
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protector.cache = {}; -- reset cache
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itemstack:take_item(); return itemstack
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end,
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on_punch = function(pos, node, puncher, pointed_thing)
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local meta = minetest.get_meta(pos);local owner = meta:get_string("owner");
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if owner == puncher:get_player_name() then
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minetest.add_entity({x=pos.x-0.5+protector.radius/2,y=pos.y-0.5+protector.radius/2,z=pos.z-0.5+protector.radius/2}, "basic_protect:display")
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end
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end
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});
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minetest.register_entity("basic_protect:display", {
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physical = false,
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collisionbox = {0, 0, 0, 0, 0, 0},
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visual = "wielditem",
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-- wielditem seems to be scaled to 1.5 times original node size
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visual_size = {x = 1.29*protector.radius/21, y = 1.29*protector.radius/21},
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textures = {"protector:display_node"},
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timer = 0,
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on_activate = function(self, staticdata)
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self.timer = 0;
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-- Xanadu server only
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if mobs and mobs.entity and mobs.entity == false then
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self.object:remove()
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end
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end,
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on_step = function(self, dtime)
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self.timer = self.timer + dtime
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if self.timer > 20 then
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self.object:remove()
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end
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end,
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})
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minetest.register_craft({
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output = "basic_protect:protector",
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recipe = {
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{"default:stone", "default:stone","default:stone"},
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{"default:stone", "default:steel_ingot","default:stone"},
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{"default:stone", "default:stone", "default:stone"}
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}
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}) |