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server-nalc/mods/WorldEdit/worldedit_commands/safe.lua
LeMagnesium 50802588f0 Merge of 'solarmana_add'
Conflicts:
	mods/WorldEdit/worldedit/init.lua
	mods/WorldEdit/worldedit/manipulations.lua
	mods/WorldEdit/worldedit_commands/init.lua
	mods/WorldEdit/worldedit_commands/safe.lua
	mods/compassgps/README.md
	mods/mobs/api.lua
	mods/mobs/chicken.lua
	mods/mobs/cow.lua

This branch was completly f*cked up, we couldn't find a way to update it without throwing piles of merge conflicts, even with patches.
Runes are defaultly disabled. The README.md file will be updated, as well as many files in the repository
2015-05-22 20:09:39 +02:00

68 lines
2.1 KiB
Lua
Executable File

local safe_region_callback = {}
local safe_region_param = {}
local function check_region(name, param)
local pos1, pos2 = worldedit.pos1[name], worldedit.pos2[name] --obtain positions
if pos1 == nil or pos2 == nil then
worldedit.player_notify(name, "no region selected")
return nil
end
return worldedit.volume(pos1, pos2)
end
--`callback` is a callback to run when the user confirms
--`nodes_needed` is a function accepting `param`, `pos1`, and `pos2` to calculate the number of nodes needed
local function safe_region(callback, nodes_needed)
--default node volume calculation
nodes_needed = nodes_needed or check_region
return function(name, param)
--check if the operation applies to a safe number of nodes
local count = nodes_needed(name, param)
if count == nil then return end --invalid command
if count < 10000 then
return callback(name, param)
end
--save callback to call later
safe_region_callback[name], safe_region_param[name] = callback, param
worldedit.player_notify(name, "WARNING: this operation could affect up to " .. count .. " nodes; type //y to continue or //n to cancel")
end
end
minetest.register_chatcommand("/y", {
params = "",
description = "Confirm a pending operation",
func = function(name)
local callback, param = safe_region_callback[name], safe_region_param[name]
if not callback then
worldedit.player_notify(name, "no operation pending")
return
end
--obtain positions
local pos1, pos2 = worldedit.pos1[name], worldedit.pos2[name]
if pos1 == nil or pos2 == nil then
worldedit.player_notify(name, "no region selected")
return
end
safe_region_callback[name], safe_region_param[name] = nil, nil --reset pending operation
callback(name, param, pos1, pos2)
end,
})
minetest.register_chatcommand("/n", {
params = "",
description = "Confirm a pending operation",
func = function(name)
if not safe_region_callback[name] then
worldedit.player_notify(name, "no operation pending")
return
end
safe_region_callback[name], safe_region_param[name] = nil, nil
end,
})
return safe_region, check_region