mtcontrib/signs_lib
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add chat command to sweep-away

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and regenerate all sign entities in loaded map
(uses LBM to log all loaded blocks,
but only those with nodes in "group:sign").
This commit is contained in:
Vanessa Dannenberg 2019-09-13 16:51:51 -04:00
parent d262f95744
commit e2d522373d
1 changed files with 70 additions and 2 deletions
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72
api.lua
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@ -18,8 +18,8 @@ signs_lib.standard_xoffs = 4
signs_lib.standard_yoffs = 2
signs_lib.standard_cpl = 35
signs_lib.standard_wood_groups = {choppy = 2, flammable = 2, oddly_breakable_by_hand = 3}
signs_lib.standard_steel_groups = {cracky = 2, oddly_breakable_by_hand = 3}
signs_lib.standard_wood_groups = {sign = 1, choppy = 2, flammable = 2, oddly_breakable_by_hand = 3}
signs_lib.standard_steel_groups = {sign = 1, cracky = 2, oddly_breakable_by_hand = 3}
signs_lib.standard_yaw = {
0,
@ -694,3 +694,71 @@ minetest.register_lbm({
end
end
})
signs_lib.block_list = {}
signs_lib.totalblocks = 0
-- Maintain a list of currently-loaded blocks
minetest.register_lbm({
nodenames = {"group:sign"},
name = "signs_lib:update_block_list",
label = "Update list of loaded blocks, log only those with signs",
run_at_every_load = true,
action = function(pos, node)
-- yeah, yeah... I know I'm hashing a block pos, but it's still just a set of coords
local hash = minetest.hash_node_position(vector.floor(vector.divide(pos, core.MAP_BLOCKSIZE)))
if not signs_lib.block_list[hash] then
signs_lib.block_list[hash] = true
signs_lib.totalblocks = signs_lib.totalblocks + 1
end
end
})
minetest.register_chatcommand("regen_signs", {
params = "",
privs = {sign_editor = true},
description = "Skims through all currently-loaded sign-bearing mapblocks, clears away any entities within each sign's node space, and regenerates their text entities, if any.",
func = function(player_name, params)
local allsigns = {}
local totalsigns = 0
for b in pairs(signs_lib.block_list) do
local blockpos = minetest.get_position_from_hash(b)
local pos1 = vector.multiply(blockpos, core.MAP_BLOCKSIZE)
local pos2 = vector.add(pos1, core.MAP_BLOCKSIZE - 1)
if minetest.get_node_or_nil(vector.add(pos1, core.MAP_BLOCKSIZE/2)) then
local signs_in_block = minetest.find_nodes_in_area(pos1, pos2, {"group:sign"})
allsigns[#allsigns + 1] = signs_in_block
totalsigns = totalsigns + #signs_in_block
else
signs_lib.block_list[b] = nil -- if the block is no longer loaded, remove it from the table
signs_lib.totalblocks = signs_lib.totalblocks - 1
end
end
if signs_lib.totalblocks < 0 then signs_lib.totalblocks = 0 end
if totalsigns == 0 then
minetest.chat_send_player(player_name, "There are no signs in the currently-loaded terrain.")
signs_lib.block_list = {}
return
end
minetest.chat_send_player(player_name, "Found a total of "..totalsigns.." sign nodes across "..signs_lib.totalblocks.." blocks.")
minetest.chat_send_player(player_name, "Regenerating sign entities...")
for _, b in pairs(allsigns) do
for _, pos in ipairs(b) do
local objects = minetest.get_objects_inside_radius(pos, 0.5)
if #objects > 0 then
for _, v in ipairs(objects) do
v:remove()
end
end
local node = minetest.get_node(pos)
local def = minetest.registered_items[node.name]
if def and def.entity_info then
signs_lib.update_sign(pos)
end
end
end
minetest.chat_send_player(player_name, "Finished.")
end
})