diff options
Diffstat (limited to 'worldedit_gui/init.lua')
| -rw-r--r-- | worldedit_gui/init.lua | 249 |
1 files changed, 249 insertions, 0 deletions
diff --git a/worldedit_gui/init.lua b/worldedit_gui/init.lua new file mode 100644 index 0000000..da54f7b --- /dev/null +++ b/worldedit_gui/init.lua @@ -0,0 +1,249 @@ +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) + local enabled = true + minetest.register_on_player_receive_fields(function(player, formname, fields) + if not enabled then return false end + enabled = false + minetest.after(0.2, function() enabled = true 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 rawget(_G, "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 + local player = minetest.get_player_by_name(name) + if player then + unified_inventory.set_inventory_formspec(player, "craft") + end + return true + end + return false + end) + + worldedit.show_page = function(name, page) + local player = minetest.get_player_by_name(name) + if player then + player:set_inventory_formspec(get_formspec(name, page)) + end + end +elseif rawget(_G, "inventory_plus") then --inventory++ installed + minetest.register_on_joinplayer(function(player) + local can_worldedit = minetest.check_player_privs(player:get_player_name(), {worldedit=true}) + if can_worldedit then + inventory_plus.register_button(player, "worldedit_gui", "WorldEdit") + end + 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) + local player = minetest.get_player_by_name(name) + if player then + inventory_plus.set_inventory_formspec(player, get_formspec(name, page)) + end + 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 not player then --this is in case the player signs off while the media is loading + return + end + if (minetest.check_player_privs(name, {creative=true}) or minetest.setting_getbool("creative_mode")) and creative_inventory then --creative_inventory is active, add button to modified formspec + formspec = player:get_inventory_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() + if minetest.get_player_by_name(name) then --ensure the player is still signed in + player_formspecs[name] = player:get_inventory_formspec() + minetest.after(0.01, function() + update_main_formspec(name) + end) + end + end) + end) + + minetest.register_on_leaveplayer(function(player) + player_formspecs[player:get_player_name()] = nil + end) + + 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 + player:set_inventory_formspec(gui_player_formspecs[name]) + end + 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) + if player then + player:set_inventory_formspec(get_formspec(name, page)) + end + 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") |