minetest-mm/mods/unified_inventory/waypoints.lua

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local S = minetest.get_translator("unified_inventory")
local F = minetest.formspec_escape
local ui = unified_inventory
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local COUNT = 5
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local hud_colors = {
{"#FFFFFF", 0xFFFFFF, S("White")},
{"#DBBB00", 0xf1d32c, S("Yellow")},
{"#DD0000", 0xDD0000, S("Red")},
{"#2cf136", 0x2cf136, S("Green")},
{"#2c4df1", 0x2c4df1, S("Blue")},
}
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-- Storage compatibility code
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--[[
Stores temporary player data (persists until player leaves)
[player_name] = {
[<waypoint index>] = {
edit = <edit current waypoint?>,
hud = <hud ID>,
},
[<waypoint index>] = { ... },
...
}
]]
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local waypoints_temp = {}
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--[[
Datastorage format (per-player):
{
selected = <waypoint index>,
[<waypoint index>] = {
name = <name or nil>
world_pos = <coordinates vector>,
color = <"hud_colors" index>,
active = <hud show waypoint?>,
display_pos = <hud display coorinates?>,
},
[<waypoint index>] = { ... },
...
}
Player metadata format:
{
selected = <selected number>,
-- Cannot mix integer/string keys in JSON
data = {
[<waypoint index>] = { same as above },
...
}
}
]]
local function set_waypoint_data(player, waypoints)
local meta = player:get_meta()
if not next(waypoints.data or {}) then
-- Empty data. Do not save anything, or delete
meta:set_string("ui_waypoints", "")
else
meta:set_string("ui_waypoints", minetest.write_json(waypoints))
end
end
local function migrate_datastorage(player, waypoints)
-- Copy values from old table
local new_data = {
selected = waypoints.selected,
data = {}
}
for i = 1, COUNT do
new_data.data[i] = waypoints[i]
end
set_waypoint_data(player, new_data)
-- Delete values, but keep one entry so that it's saved by datastorage
for k, _ in pairs(waypoints) do
waypoints[k] = nil
end
waypoints[1] = 1
end
local have_datastorage = minetest.get_modpath("datastorage") ~= nil
local function get_waypoint_data(player)
local player_name = player:get_player_name()
-- Migration step
if have_datastorage then
local waypoints = datastorage.get(player_name, "waypoints")
if waypoints.selected then
migrate_datastorage(player, waypoints)
minetest.log("action", "[unified_inventory] " ..
"Migrated waypoints of player: " .. player_name)
end
end
-- Get directly from metadata
local waypoints = player:get_meta():get("ui_waypoints")
waypoints = waypoints and minetest.parse_json(waypoints) or {}
waypoints.data = waypoints.data or {}
return waypoints
end
ui.register_page("waypoints", {
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get_formspec = function(player)
local player_name = player:get_player_name()
local wp_info_x = ui.style_full.form_header_x + 1.25
local wp_info_y = ui.style_full.form_header_y + 0.5
local wp_bottom_row = ui.style_full.std_inv_y - 1
local wp_buttons_rj = ui.style_full.std_inv_x + 10.1 - ui.style_full.btn_spc
local wp_edit_w = ui.style_full.btn_spc * 4 - 0.1
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local waypoints = get_waypoint_data(player)
local sel = waypoints.selected or 1
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local formspec = {
ui.style_full.standard_inv_bg,
string.format("label[%f,%f;%s]",
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ui.style_full.form_header_x, ui.style_full.form_header_y, F(S("Waypoints"))),
"image["..wp_info_x..","..wp_info_y..";1,1;ui_waypoints_icon.png]"
}
local n=4
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-- Tabs buttons:
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for i = 1, COUNT do
local sw="select_waypoint"..i
formspec[n] = string.format("image_button[%f,%f;%f,%f;%sui_%i_icon.png;%s;]",
ui.style_full.main_button_x, wp_bottom_row - (5-i) * ui.style_full.btn_spc,
ui.style_full.btn_size, ui.style_full.btn_size,
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(i == sel) and "ui_blue_icon_background.png^" or "",
i, sw)
formspec[n+1] = "tooltip["..sw..";"..S("Select Waypoint #@1", i).."]"
n = n + 2
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end
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local waypoint = waypoints.data[sel] or {}
local temp = waypoints_temp[player_name][sel] or {}
local default_name = S("Waypoint @1", sel)
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-- Main buttons:
local btnlist = {
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set_waypoint = {
"ui_waypoint_set_icon.png",
S("Set waypoint to current location")
},
toggle_waypoint = {
waypoint.active and "ui_on_icon.png" or "ui_off_icon.png",
waypoint.active and S("Hide waypoint") or S("Show waypoint")
},
toggle_display_pos = {
waypoint.display_pos and "ui_green_icon_background.png^ui_xyz_icon.png" or "ui_red_icon_background.png^ui_xyz_icon.png^(ui_no.png^[transformR90)",
waypoint.display_pos and S("Hide coordinates") or S("Show coordinates")
},
toggle_color = {
"ui_circular_arrows_icon.png",
S("Change color of waypoint display")
},
rename_waypoint = {
"ui_pencil_icon.png",
S("Edit waypoint name")
}
}
local x = 4
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for name, def in pairs(btnlist) do
formspec[n] = string.format("image_button[%f,%f;%f,%f;%s;%s%i;]",
wp_buttons_rj - ui.style_full.btn_spc * x, wp_bottom_row,
ui.style_full.btn_size, ui.style_full.btn_size,
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def[1], name, sel)
formspec[n+1] = "tooltip["..name..sel..";"..F(def[2]).."]"
x = x - 1
n = n + 2
end
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-- Waypoint's info:
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formspec[n] = ("label[%f,%f;%s]"):format(
wp_info_x, wp_info_y + 1.1,
F(waypoint.active and S("Waypoint active") or S("Waypoint inactive"))
)
n = n + 1
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if temp.edit then
formspec[n] = string.format("field[%f,%f;%f,%f;rename_box%i;;%s]",
wp_buttons_rj - wp_edit_w - 0.1, wp_bottom_row - ui.style_full.btn_spc,
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wp_edit_w, ui.style_full.btn_size, sel, (waypoint.name or default_name))
formspec[n+1] = string.format("image_button[%f,%f;%f,%f;ui_ok_icon.png;confirm_rename%i;]",
wp_buttons_rj, wp_bottom_row - ui.style_full.btn_spc,
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ui.style_full.btn_size, ui.style_full.btn_size, sel)
formspec[n+2] = "tooltip[confirm_rename"..sel..";"..F(S("Finish editing")).."]"
n = n + 3
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end
formspec[n] = string.format("label[%f,%f;%s: %s]",
wp_info_x, wp_info_y+1.6, F(S("World position")),
minetest.pos_to_string(waypoint.world_pos or vector.new()))
formspec[n+1] = string.format("label[%f,%f;%s: %s]",
wp_info_x, wp_info_y+2.10, F(S("Name")), (waypoint.name or default_name))
formspec[n+2] = string.format("label[%f,%f;%s: %s]",
wp_info_x, wp_info_y+2.60, F(S("HUD text color")), hud_colors[waypoint.color or 1][3])
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return {formspec=table.concat(formspec)}
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end,
})
ui.register_button("waypoints", {
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type = "image",
image = "ui_waypoints_icon.png",
tooltip = S("Waypoints"),
hide_lite=true
})
local function update_hud(player, waypoints, temp, i)
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local waypoint = waypoints.data[i]
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if not waypoint then return end
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temp[i] = temp[i] or {}
temp = temp[i]
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local pos = waypoint.world_pos or vector.new()
local name
if waypoint.display_pos then
name = minetest.pos_to_string(pos)
if waypoint.name then
name = name..", "..waypoint.name
end
else
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name = waypoint.name or S("Waypoint @1", i)
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end
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-- Perform HUD updates
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if temp.hud then
player:hud_remove(temp.hud)
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temp.hud = nil
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end
if waypoint.active then
temp.hud = player:hud_add({
hud_elem_type = "waypoint",
number = hud_colors[waypoint.color or 1][2] ,
name = name,
text = "m",
world_pos = pos
})
end
end
minetest.register_on_player_receive_fields(function(player, formname, fields)
if formname ~= "" then return end
local player_name = player:get_player_name()
local update_formspec = false
local need_update_hud = false
local hit = false
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local waypoints = get_waypoint_data(player)
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local temp = waypoints_temp[player_name]
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for i = 1, COUNT do
local waypoint = waypoints.data[i] or {}
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if fields["select_waypoint"..i] then
hit = true
waypoints.selected = i
update_formspec = true
end
if fields["toggle_waypoint"..i] then
hit = true
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waypoint.active = not (waypoint.active)
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need_update_hud = true
update_formspec = true
end
if fields["set_waypoint"..i] then
hit = true
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local pos = vector.round(player:get_pos())
waypoint.world_pos = pos
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need_update_hud = true
update_formspec = true
end
if fields["rename_waypoint"..i] then
hit = true
temp[i] = temp[i] or {}
temp[i].edit = true
update_formspec = true
end
if fields["toggle_display_pos"..i] then
hit = true
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waypoint.display_pos = not waypoint.display_pos
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need_update_hud = true
update_formspec = true
end
if fields["toggle_color"..i] then
hit = true
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local color = waypoint.color or 0
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color = color + 1
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if color > #hud_colors then
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color = 1
end
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waypoint.color = color
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need_update_hud = true
update_formspec = true
end
if fields["confirm_rename"..i] then
hit = true
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temp[i] = temp[i] or {}
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temp[i].edit = false
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waypoint.name = fields["rename_box"..i]
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need_update_hud = true
update_formspec = true
end
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if hit then
-- Save first
waypoints.data[i] = waypoint
set_waypoint_data(player, waypoints)
end
-- Update after
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if need_update_hud then
update_hud(player, waypoints, temp, i)
end
if update_formspec then
ui.set_inventory_formspec(player, "waypoints")
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end
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if hit then return end
end
end)
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-- waypoints_temp must be initialized before the general unified_inventory
-- joinplayer callback is run for updating the inventory
table.insert(minetest.registered_on_joinplayers, 1, function(player)
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local player_name = player:get_player_name()
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local waypoints = get_waypoint_data(player)
waypoints_temp[player_name] = {}
for i = 1, COUNT do
update_hud(player, waypoints, waypoints_temp[player_name], i)
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end
end)
minetest.register_on_leaveplayer(function(player)
waypoints_temp[player:get_player_name()] = nil
end)