Minetest-WorldEdit/worldedit_gui/init.lua

227 lines
7.7 KiB
Lua

worldedit = worldedit or {}
--[[
Example:
worldedit.register_gui_function("worldedit_gui_hollow_cylinder", {
name = "Make Hollow Cylinder",
privs = {worldedit=true},
get_formspec = function(name) return "some formspec here" end,
on_select = function(name) print(name .. " clicked the button!") end,
})
Use `nil` for the `options` parameter to unregister the function associated with the given identifier.
Use `nil` for the `get_formspec` field to denote that the function does not have its own screen.
Use `nil` for the `privs` field to denote that no special privileges are required to use the function.
If the identifier is already registered to another function, it will be replaced by the new one.
The `on_select` function must not call `worldedit.show_page`
]]
worldedit.pages = {} --mapping of identifiers to options
local identifiers = {} --ordered list of identifiers
worldedit.register_gui_function = function(identifier, options)
worldedit.pages[identifier] = options
table.insert(identifiers, identifier)
end
--[[
Example:
worldedit.register_gui_handler("worldedit_gui_hollow_cylinder", function(name, fields)
print(minetest.serialize(fields))
end)
]]
worldedit.register_gui_handler = function(identifier, handler)
minetest.register_on_player_receive_fields(function(player, formname, fields)
--ensure the form is not being exited since this is a duplicate message
if fields.quit then
return false
end
local name = player:get_player_name()
--ensure the player has permission to perform the action
local entry = worldedit.pages[identifier]
if entry and minetest.check_player_privs(name, entry.privs or {}) then
return handler(name, fields)
end
return false
end)
end
worldedit.get_formspec_header = function(identifier)
local entry = worldedit.pages[identifier] or {}
return "button[0,0;2,0.5;worldedit_gui;Back]" ..
string.format("label[2,0;WorldEdit GUI > %s]", entry.name or "")
end
local get_formspec = function(name, identifier)
if worldedit.pages[identifier] then
return worldedit.pages[identifier].get_formspec(name)
end
return worldedit.pages["worldedit_gui"].get_formspec(name) --default to showing main page if an unknown page is given
end
--implement worldedit.show_page(name, page) in different ways depending on the available APIs
if unified_inventory then --unified inventory installed
local old_func = worldedit.register_gui_function
worldedit.register_gui_function = function(identifier, options)
old_func(identifier, options)
unified_inventory.register_page(identifier, {get_formspec=function(player) return {formspec=options.get_formspec(player:get_player_name())} end})
end
unified_inventory.register_button("worldedit_gui", {
type = "image",
image = "inventory_plus_worldedit_gui.png",
})
minetest.register_on_player_receive_fields(function(player, formname, fields)
local name = player:get_player_name()
if fields.worldedit_gui then --main page
worldedit.show_page(name, "worldedit_gui")
return true
elseif fields.worldedit_gui_exit then --return to original page
unified_inventory.set_inventory_formspec(minetest.get_player_by_name(name), "craft")
return true
end
return false
end)
worldedit.show_page = function(name, page)
minetest.get_player_by_name(name):set_inventory_formspec(get_formspec(name, page))
end
elseif inventory_plus then --inventory++ installed
minetest.register_on_joinplayer(function(player)
inventory_plus.register_button(player, "worldedit_gui", "WorldEdit")
end)
--show the form when the button is pressed and hide it when done
local gui_player_formspecs = {}
minetest.register_on_player_receive_fields(function(player, formname, fields)
local name = player:get_player_name()
if fields.worldedit_gui then --main page
gui_player_formspecs[name] = player:get_inventory_formspec()
worldedit.show_page(name, "worldedit_gui")
return true
elseif fields.worldedit_gui_exit then --return to original page
if gui_player_formspecs[name] then
inventory_plus.set_inventory_formspec(player, gui_player_formspecs[name])
end
return true
end
return false
end)
worldedit.show_page = function(name, page)
inventory_plus.set_inventory_formspec(minetest.get_player_by_name(name), get_formspec(name, page))
end
else --fallback button
local player_formspecs = {}
local update_main_formspec = function(name)
local formspec = player_formspecs[name]
if not formspec then
return
end
local player = minetest.get_player_by_name(name)
if minetest.setting_getbool("creative_mode") and creative_inventory then --creative_inventory is active
formspec = formspec .. "image_button[6,0;1,1;inventory_plus_worldedit_gui.png;worldedit_gui;]"
else
formspec = formspec .. "image_button[0,0;1,1;inventory_plus_worldedit_gui.png;worldedit_gui;]"
end
player:set_inventory_formspec(formspec)
end
minetest.register_on_joinplayer(function(player)
local name = player:get_player_name()
minetest.after(1, function()
player_formspecs[name] = player:get_inventory_formspec()
minetest.after(0.01, function()
update_main_formspec(name)
end)
end)
end)
minetest.register_on_leaveplayer(function(player)
player_formspecs[player:get_player_name()] = nil
end)
minetest.register_on_player_receive_fields(function(player, formname, fields)
local name = player:get_player_name()
if fields.worldedit_gui then --main page
worldedit.show_page(name, "worldedit_gui")
return true
elseif fields.worldedit_gui_exit then --return to original page
update_main_formspec(name)
return true
else --deal with creative_inventory setting the formspec on every single message
minetest.after(0.01,function()
update_main_formspec(name)
end)
return false --continue processing in creative inventory
end
end)
worldedit.show_page = function(name, page)
local player = minetest.get_player_by_name(name)
player:set_inventory_formspec(get_formspec(name, page))
end
end
worldedit.register_gui_function("worldedit_gui", {
name = "WorldEdit GUI",
get_formspec = function(name)
--create a form with all the buttons arranged in a grid
local buttons, x, y, index = {}, 0, 1, 0
local width, height = 3, 0.8
local columns = 5
for i, identifier in pairs(identifiers) do
if identifier ~= "worldedit_gui" then
local entry = worldedit.pages[identifier]
table.insert(buttons, string.format((entry.get_formspec and "button" or "button_exit") ..
"[%g,%g;%g,%g;%s;%s]", x, y, width, height, identifier, minetest.formspec_escape(entry.name)))
index, x = index + 1, x + width
if index == columns then --row is full
x, y = 0, y + height
index = 0
end
end
end
if index == 0 then --empty row
y = y - height
end
return string.format("size[%g,%g]", math.max(columns * width, 5), math.max(y + 0.5, 3)) ..
"button[0,0;2,0.5;worldedit_gui_exit;Back]" ..
"label[2,0;WorldEdit GUI]" ..
table.concat(buttons)
end,
})
worldedit.register_gui_handler("worldedit_gui", function(name, fields)
for identifier, entry in pairs(worldedit.pages) do --check for WorldEdit GUI main formspec button selection
if fields[identifier] and identifier ~= "worldedit_gui" then
--ensure player has permission to perform action
local has_privs, missing_privs = minetest.check_player_privs(name, entry.privs or {})
if not has_privs then
worldedit.player_notify(name, "you are not allowed to use this function (missing privileges: " .. table.concat(missing_privs, ", ") .. ")")
return false
end
if entry.on_select then
entry.on_select(name)
end
if entry.get_formspec then
worldedit.show_page(name, identifier)
end
return true
end
end
return false
end)
dofile(minetest.get_modpath(minetest.get_current_modname()) .. "/functionality.lua")