Mirrorlandia_minetest/we_undo
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Add a setting to disable remembering benign changes

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Hybrid Dog
2017-11-25 20:40:20 +01:00
parent 91bb4912b7
commit 5fb93e6ca5
2 changed files with 65 additions and 59 deletions
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1
README.md
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@ -22,6 +22,7 @@ Ignored chatcommands:
TODO:
* simplify mem_usage
* Setting for disabling storing harmless things like pos changes
* Add parameters to undo and redo: undo the last n
* Allow undoing changes which happened before other changes (considered unsafe)

123
init.lua
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@ -5,6 +5,7 @@
local max_commands = 256
local min_commands = 3
local max_memory_usage = 2^25 -- 32 MiB
local remember_innocuous = true
----------------- Journal and chatcommands -------------------------------------
@ -221,70 +222,74 @@ minetest.register_chatcommand("/show_journal", {
----------------- The worldedit stuff ------------------------------------------
override_chatcommand("/pos1",
function()
add_to_history{
type = "marker",
mem_use = 9 * 7,
id = 1,
pos = worldedit.pos1[command_invoker]
}
end
)
if remember_innocuous then
override_chatcommand("/pos2",
function()
add_to_history{
type = "marker",
mem_use = 9 * 7,
id = 2,
pos = worldedit.pos2[command_invoker]
}
end
)
override_chatcommand("/pos1",
function()
add_to_history{
type = "marker",
mem_use = 9 * 7,
id = 1,
pos = worldedit.pos1[command_invoker]
}
end
)
-- Punch before the /p command's punch
table.insert(minetest.registered_on_punchnodes, 1, function(_,_, player)
local name = player:get_player_name()
local typ = worldedit.set_pos[name]
if typ == "pos1"
or typ == "pos1only" then
add_to_history({
type = "marker",
mem_use = 9 * 7,
id = 1,
pos = worldedit.pos1[name]
}, name)
elseif typ == "pos2" then
add_to_history({
type = "marker",
mem_use = 9 * 7,
id = 2,
pos = worldedit.pos2[name]
}, name)
end
end)
override_chatcommand("/pos2",
function()
add_to_history{
type = "marker",
mem_use = 9 * 7,
id = 2,
pos = worldedit.pos2[command_invoker]
}
end
)
undo_funcs.marker = function(name, data)
local pos = data.pos
local i = "pos" .. data.id
local current_pos = worldedit[i][name]
worldedit[i][name] = pos
worldedit["mark_pos" .. data.id](name)
if pos then
worldedit.player_notify(name, "position " .. data.id .. " set to " ..
minetest.pos_to_string(pos))
else
worldedit.player_notify(name, "position " .. data.id .. " reset")
-- Punch before the /p command's punch
table.insert(minetest.registered_on_punchnodes, 1, function(_,_, player)
local name = player:get_player_name()
local typ = worldedit.set_pos[name]
if typ == "pos1"
or typ == "pos1only" then
add_to_history({
type = "marker",
mem_use = 9 * 7,
id = 1,
pos = worldedit.pos1[name]
}, name)
elseif typ == "pos2" then
add_to_history({
type = "marker",
mem_use = 9 * 7,
id = 2,
pos = worldedit.pos2[name]
}, name)
end
end)
undo_funcs.marker = function(name, data)
local pos = data.pos
local i = "pos" .. data.id
local current_pos = worldedit[i][name]
worldedit[i][name] = pos
worldedit["mark_pos" .. data.id](name)
if pos then
worldedit.player_notify(name, "position " .. data.id ..
" set to " .. minetest.pos_to_string(pos))
else
worldedit.player_notify(name, "position " .. data.id .. " reset")
end
data.pos = current_pos
end
data.pos = current_pos
end
undo_info_funcs.marker = function(data)
if not data.pos then
return "Set pos" .. data.id
undo_info_funcs.marker = function(data)
if not data.pos then
return "Set pos" .. data.id
end
return "changed pos" .. data.id .. ", previous value: " ..
minetest.pos_to_string(data.pos)
end
return "changed pos" .. data.id .. ", previous value: " ..
minetest.pos_to_string(data.pos)
end