mirror of
https://github.com/sys4-fr/server-nalc.git
synced 2024-08-30 09:10:35 +02:00
177 lines
4.8 KiB
Lua
Executable File
177 lines
4.8 KiB
Lua
Executable File
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function spawn_falling_node(p, node, owners)
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local obj = minetest.add_entity(p, "__builtin:falling_node")
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obj:get_luaentity():set_node(node)
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obj:get_luaentity():set_owner(owners)
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end
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function drop_attached_node(p)
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local nn = minetest.get_node(p).name
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minetest.remove_node(p)
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for _,item in ipairs(minetest.get_node_drops(nn, "")) do
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local pos = {
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x = p.x + math.random()/2 - 0.25,
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y = p.y + math.random()/2 - 0.25,
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z = p.z + math.random()/2 - 0.25,
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}
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minetest.add_item(pos, item)
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end
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end
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function check_attached_node(p, n)
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local def = minetest.registered_nodes[n.name]
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local d = {x=0, y=0, z=0}
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if def.paramtype2 == "wallmounted" then
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if n.param2 == 0 then
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d.y = 1
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elseif n.param2 == 1 then
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d.y = -1
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elseif n.param2 == 2 then
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d.x = 1
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elseif n.param2 == 3 then
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d.x = -1
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elseif n.param2 == 4 then
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d.z = 1
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elseif n.param2 == 5 then
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d.z = -1
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end
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else
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d.y = -1
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end
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local p2 = {x=p.x+d.x, y=p.y+d.y, z=p.z+d.z}
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local nn = minetest.get_node(p2).name
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local def2 = minetest.registered_nodes[nn]
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if def2 and not def2.walkable then
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return false
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end
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return true
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end
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--
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-- Some common functions
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--
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function nodeupdate_single(p, delay)
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local n = minetest.get_node(p)
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if minetest.get_item_group(n.name, "falling_node") ~= 0 then
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local p_bottom = {x=p.x, y=p.y-1, z=p.z}
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local n_bottom = minetest.get_node(p_bottom)
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-- Note: walkable is in the node definition, not in item groups
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if minetest.registered_nodes[n_bottom.name] and
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(minetest.get_item_group(n.name, "float") == 0 or
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minetest.registered_nodes[n_bottom.name].liquidtype == "none") and
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(n.name ~= n_bottom.name or (minetest.registered_nodes[n_bottom.name].leveled and
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minetest.get_node_level(p_bottom) < minetest.get_node_max_level(p_bottom))) and
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(not minetest.registered_nodes[n_bottom.name].walkable or
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minetest.registered_nodes[n_bottom.name].buildable_to) then
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if delay then
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minetest.after(0.1, nodeupdate_single, {x=p.x, y=p.y, z=p.z}, false)
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else
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n.level = minetest.get_node_level(p)
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local meta = minetest.get_meta(p)
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--print('get owner '.. meta:get_string("owner"))
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spawn_falling_node(p, n, meta:get_string("owner"))
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minetest.remove_node(p)
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nodeupdate(p)
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end
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end
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end
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if minetest.get_item_group(n.name, "attached_node") ~= 0 then
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if not check_attached_node(p, n) then
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drop_attached_node(p)
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nodeupdate(p)
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end
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end
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end
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function nodeupdate(p, delay)
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-- Round p to prevent falling entities to get stuck
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p.x = math.floor(p.x+0.5)
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p.y = math.floor(p.y+0.5)
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p.z = math.floor(p.z+0.5)
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for x = -1,1 do
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for y = -1,1 do
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for z = -1,1 do
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nodeupdate_single({x=p.x+x, y=p.y+y, z=p.z+z}, delay or not (x==0 and y==0 and z==0))
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end
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end
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end
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end
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--
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-- Global callbacks
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--
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function on_placenode(p, node)
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nodeupdate(p)
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end
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minetest.register_on_placenode(on_placenode)
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function on_dignode(p, node)
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nodeupdate(p)
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end
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minetest.register_on_dignode(on_dignode)
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--
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-- Protected Area
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--
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function is_protected_area(p, zone, name)
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for x= -zone, zone do
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for y= -zone, zone do
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for z= -zone, zone do
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local pos = {x=p.x+x,y=p.y+y,z=p.z+z}
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if minetest.is_protected(pos,name) then
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return true
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end
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end
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end
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end
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return false
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end
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--
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-- rewrite of bucket
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--
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function add_protected_bukket_liquid(nameofbukket,liquidsourcename)
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minetest.override_item(nameofbukket, {
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on_place = function(itemstack, user, pointed_thing)
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-- Must be pointing to node
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if pointed_thing.type ~= "node" then
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return
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end
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-- Check if pointing to a buildable node
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local n = minetest.get_node(pointed_thing.under)
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if is_protected_area(pointed_thing.under, 4 ,user:get_player_name()) then
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minetest.chat_send_player(user:get_player_name(),"You can't place here - Too short of a protected area. (less than or equal to 4 blocks)")
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if minetest.is_protected(pointed_thing.under,user:get_player_name()) then
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minetest.log("action", user:get_player_name().. " try use "..nameofbukket.." at protected pos ".. minetest.pos_to_string(pointed_thing.under))
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end
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return itemstack
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end
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if minetest.registered_nodes[n.name].buildable_to then
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-- buildable; replace the node
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minetest.log("action", user:get_player_name().. " use "..nameofbukket.." at ".. minetest.pos_to_string(pointed_thing.under))
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minetest.add_node(pointed_thing.under, {name=liquidsourcename})
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else
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-- not buildable to; place the liquid above
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-- check if the node above can be replaced
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n = minetest.get_node(pointed_thing.above)
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if minetest.registered_nodes[n.name].buildable_to then
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minetest.log("action", user:get_player_name().. " use "..nameofbukket.." at ".. minetest.pos_to_string(pointed_thing.above))
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minetest.add_node(pointed_thing.above, {name=liquidsourcename})
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else
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-- do not remove the bucket with the liquid
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return
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end
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end
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return {name="bucket:bucket_empty"}
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end
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})
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end
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