forked from MineClone5/MineClone5
589 lines
19 KiB
Lua
589 lines
19 KiB
Lua
local modname = minetest.get_current_modname()
|
||
local modpath = minetest.get_modpath(modname)
|
||
|
||
local S = minetest.get_translator(modname)
|
||
local N = function(s) return s end
|
||
|
||
local math = math
|
||
local table = table
|
||
|
||
hb = {
|
||
hudtables = {},
|
||
-- number of registered HUD bars
|
||
hudbars_count = 0,
|
||
-- table which records which HUD bar slots have been “registered” so far; used for automatic positioning
|
||
registered_slots = {},
|
||
settings = {},
|
||
-- Table which contains all players with active default HUD bars (only for internal use)
|
||
players = {},
|
||
}
|
||
|
||
function hb.load_setting(sname, stype, defaultval, valid_values)
|
||
local sval
|
||
if stype == "string" then
|
||
sval = minetest.settings:get(sname)
|
||
elseif stype == "bool" then
|
||
sval = minetest.settings:get_bool(sname)
|
||
elseif stype == "number" then
|
||
sval = tonumber(minetest.settings:get(sname))
|
||
end
|
||
if sval ~= nil then
|
||
if valid_values ~= nil then
|
||
local valid = false
|
||
for i=1,#valid_values do
|
||
if sval == valid_values[i] then
|
||
valid = true
|
||
end
|
||
end
|
||
if not valid then
|
||
minetest.log("error", "[hudbars] Invalid value for "..sname.."! Using default value ("..tostring(defaultval)..").")
|
||
return defaultval
|
||
else
|
||
return sval
|
||
end
|
||
else
|
||
return sval
|
||
end
|
||
else
|
||
return defaultval
|
||
end
|
||
end
|
||
|
||
-- Load default settings
|
||
dofile(modpath.."/default_settings.lua")
|
||
|
||
if minetest.get_modpath("mcl_experience") and not minetest.is_creative_enabled("") then
|
||
-- reserve some space for experience bar:
|
||
hb.settings.start_offset_left.y = hb.settings.start_offset_left.y - 20
|
||
hb.settings.start_offset_right.y = hb.settings.start_offset_right.y - 20
|
||
end
|
||
|
||
local function player_exists(player)
|
||
return player ~= nil and player:is_player()
|
||
end
|
||
|
||
local function make_label(format_string, format_string_config, label, start_value, max_value)
|
||
local params = {}
|
||
local order = format_string_config.order
|
||
for o=1, #order do
|
||
if order[o] == "label" then
|
||
table.insert(params, label)
|
||
elseif order[o] == "value" then
|
||
if format_string_config.format_value then
|
||
table.insert(params, string.format(format_string_config.format_value, start_value))
|
||
else
|
||
table.insert(params, start_value)
|
||
end
|
||
elseif order[o] == "max_value" then
|
||
if format_string_config.format_max_value then
|
||
table.insert(params, string.format(format_string_config.format_max_value, max_value))
|
||
else
|
||
table.insert(params, max_value)
|
||
end
|
||
end
|
||
end
|
||
local ret
|
||
if format_string_config.textdomain then
|
||
ret = minetest.translate(format_string_config.textdomain, format_string, unpack(params))
|
||
else
|
||
ret = S(format_string, unpack(params))
|
||
end
|
||
return ret
|
||
end
|
||
|
||
function hb.value_to_barlength(value, max)
|
||
if max == 0 then
|
||
return 0
|
||
else
|
||
if hb.settings.bar_type == "progress_bar" then
|
||
local x
|
||
if value < 0 then x=-0.5 else x = 0.5 end
|
||
local ret = math.modf((value/max) * hb.settings.max_bar_length + x)
|
||
return ret
|
||
else
|
||
local x
|
||
if value < 0 then x=-0.5 else x = 0.5 end
|
||
local ret = math.modf((value/max) * hb.settings.statbar_length + x)
|
||
return ret
|
||
end
|
||
end
|
||
end
|
||
|
||
function hb.get_hudtable(identifier)
|
||
return hb.hudtables[identifier]
|
||
end
|
||
|
||
function hb.get_hudbar_position_index(identifier)
|
||
if hb.settings.sorting[identifier] ~= nil then
|
||
return hb.settings.sorting[identifier]
|
||
else
|
||
local i = 0
|
||
while true do
|
||
if hb.registered_slots[i] ~= true and hb.settings.sorting_reverse[i] == nil then
|
||
return i
|
||
end
|
||
i = i + 1
|
||
end
|
||
end
|
||
end
|
||
|
||
function hb.register_hudbar(identifier, text_color, label, textures, direction, default_start_value, default_start_max, default_start_hidden, format_string, format_string_config)
|
||
minetest.log("action", "hb.register_hudbar: "..tostring(identifier))
|
||
local hudtable = {}
|
||
local pos, offset
|
||
local index = math.floor(hb.get_hudbar_position_index(identifier))
|
||
hb.registered_slots[index] = true
|
||
if hb.settings.alignment_pattern == "stack_up" then
|
||
pos = hb.settings.pos_left
|
||
offset = {
|
||
x = direction == 0 and hb.settings.start_offset_left.x or -hb.settings.start_offset_right.x,
|
||
y = hb.settings.start_offset_left.y - hb.settings.vmargin * index
|
||
}
|
||
elseif hb.settings.alignment_pattern == "stack_down" then
|
||
pos = hb.settings.pos_left
|
||
offset = {
|
||
x = direction == 0 and hb.settings.start_offset_right.x or -hb.settings.start_offset_left.x,
|
||
y = hb.settings.start_offset_left.y + hb.settings.vmargin * index
|
||
}
|
||
else -- zigzag
|
||
if index % 2 == 0 then
|
||
pos = hb.settings.pos_left
|
||
offset = {
|
||
-- -(24+18) = -42. using linear eq, -42 = -258m - 24.
|
||
x = direction == 0 and hb.settings.start_offset_left.x or (-42+24)/(-258.0) * hb.settings.start_offset_left.x - 24,
|
||
y = hb.settings.start_offset_left.y - hb.settings.vmargin * (index/2)
|
||
}
|
||
else
|
||
pos = hb.settings.pos_right
|
||
offset = {
|
||
-- 24*10+30 - 24 = 234. using linear eq, 234 = 16m - 24.
|
||
x = direction == 0 and hb.settings.start_offset_right.x or (234+24)/(16) * hb.settings.start_offset_right.x - 24,
|
||
y = hb.settings.start_offset_right.y - hb.settings.vmargin * ((index-1)/2)
|
||
}
|
||
end
|
||
end
|
||
|
||
if format_string == nil then
|
||
format_string = N("@1: @2/@3")
|
||
end
|
||
if format_string_config == nil then
|
||
format_string_config = {}
|
||
end
|
||
if format_string_config.order == nil then
|
||
format_string_config.order = { "label", "value", "max_value" }
|
||
end
|
||
if format_string_config.format_value == nil then
|
||
format_string_config.format_value = "%d"
|
||
end
|
||
if format_string_config.format_max_value == nil then
|
||
format_string_config.format_max_value = "%d"
|
||
end
|
||
|
||
hudtable.add_all = function(player, hudtable, start_value, start_max, start_hidden)
|
||
if start_value == nil then start_value = hudtable.default_start_value end
|
||
if start_max == nil then start_max = hudtable.default_start_max end
|
||
if start_hidden == nil then start_hidden = hudtable.default_start_hidden end
|
||
local ids = {}
|
||
local state = {}
|
||
local name = player:get_player_name()
|
||
local bgscale, iconscale, text, barnumber, bgiconnumber
|
||
|
||
if start_max == 0 or start_hidden then
|
||
bgscale = { x=0, y=0 }
|
||
else
|
||
bgscale = { x=1, y=1 }
|
||
end
|
||
if start_hidden then
|
||
iconscale = { x=0, y=0 }
|
||
barnumber = 0
|
||
bgiconnumber = 0
|
||
text = ""
|
||
else
|
||
iconscale = { x=1, y=1 }
|
||
barnumber = hb.value_to_barlength(start_value, start_max)
|
||
bgiconnumber = hb.settings.statbar_length
|
||
text = make_label(format_string, format_string_config, label, start_value, start_max)
|
||
end
|
||
|
||
if hb.settings.bar_type == "progress_bar" then
|
||
ids.bg = player:hud_add({
|
||
hud_elem_type = "image",
|
||
position = pos,
|
||
scale = bgscale,
|
||
text = "hudbars_bar_background.png",
|
||
alignment = {x=1,y=1},
|
||
offset = { x = offset.x - 1, y = offset.y - 1 },
|
||
z_index = 0,
|
||
})
|
||
if textures.icon ~= nil then
|
||
ids.icon = player:hud_add({
|
||
hud_elem_type = "image",
|
||
position = pos,
|
||
scale = iconscale,
|
||
text = textures.icon,
|
||
alignment = {x=-1,y=1},
|
||
offset = { x = offset.x - 3, y = offset.y },
|
||
z_index = 1,
|
||
})
|
||
end
|
||
end
|
||
|
||
local bar_image, bgicon, bar_size
|
||
if hb.settings.bar_type == "progress_bar" then
|
||
bar_image = textures.bar
|
||
-- NOTE: Intentionally set to nil. For some reason, on some systems,
|
||
-- the progress bar is displaced when the bar_size is set explicitly here.
|
||
-- On the other hand, setting this to nil is deprecated in MT 5.0.0 due to
|
||
-- a debug log warning, but nothing is explained in lua_api.txt.
|
||
-- This section is a potential bug magnet, please watch with care!
|
||
-- The size of the bar image is expected to be exactly 2×16 pixels.
|
||
bar_size = nil
|
||
elseif hb.settings.bar_type == "statbar_classic" or hb.settings.bar_type == "statbar_modern" then
|
||
bar_image = textures.icon
|
||
bgicon = textures.bgicon
|
||
bar_size = {x=24, y=24}
|
||
end
|
||
|
||
local text2
|
||
if hb.settings.bar_type == "statbar_modern" then
|
||
text2 = bgicon
|
||
end
|
||
|
||
ids.bar = player:hud_add({
|
||
hud_elem_type = "statbar",
|
||
position = pos,
|
||
text = bar_image,
|
||
text2 = text2,
|
||
number = barnumber,
|
||
item = bgiconnumber,
|
||
alignment = {x=-1,y=-1},
|
||
offset = offset,
|
||
direction = direction,
|
||
size = bar_size,
|
||
z_index = 1,
|
||
})
|
||
if hb.settings.bar_type == "progress_bar" then
|
||
ids.text = player:hud_add({
|
||
hud_elem_type = "text",
|
||
position = pos,
|
||
text = text,
|
||
alignment = {x=1,y=1},
|
||
number = text_color,
|
||
direction = direction,
|
||
offset = { x = offset.x + 2, y = offset.y - 1},
|
||
z_index = 2,
|
||
})
|
||
end
|
||
-- Do not forget to update hb.get_hudbar_state if you add new fields to the state table
|
||
state.hidden = start_hidden
|
||
state.value = start_value
|
||
state.max = start_max
|
||
state.text = text
|
||
state.barlength = hb.value_to_barlength(start_value, start_max)
|
||
|
||
local main_error_text =
|
||
"[hudbars] Bad initial values of HUD bar identifier “"..tostring(identifier).."” for player "..name..". "
|
||
|
||
if start_max < start_value then
|
||
minetest.log("error", main_error_text.."start_max ("..start_max..") is smaller than start_value ("..start_value..")!")
|
||
end
|
||
if start_max < 0 then
|
||
minetest.log("error", main_error_text.."start_max ("..start_max..") is smaller than 0!")
|
||
end
|
||
if start_value < 0 then
|
||
minetest.log("error", main_error_text.."start_value ("..start_value..") is smaller than 0!")
|
||
end
|
||
|
||
hb.hudtables[identifier].hudids[name] = ids
|
||
hb.hudtables[identifier].hudstate[name] = state
|
||
end
|
||
|
||
hudtable.identifier = identifier
|
||
hudtable.format_string = format_string
|
||
hudtable.format_string_config = format_string_config
|
||
hudtable.label = label
|
||
hudtable.hudids = {}
|
||
hudtable.hudstate = {}
|
||
hudtable.default_start_hidden = default_start_hidden
|
||
hudtable.default_start_value = default_start_value
|
||
hudtable.default_start_max = default_start_max
|
||
|
||
hb.hudbars_count= hb.hudbars_count + 1
|
||
|
||
hb.hudtables[identifier] = hudtable
|
||
end
|
||
|
||
function hb.init_hudbar(player, identifier, start_value, start_max, start_hidden)
|
||
if not player_exists(player) then return false end
|
||
local hudtable = hb.get_hudtable(identifier)
|
||
hb.hudtables[identifier].add_all(player, hudtable, start_value, start_max, start_hidden)
|
||
return true
|
||
end
|
||
|
||
function hb.change_hudbar(player, identifier, new_value, new_max_value, new_icon, new_bgicon, new_bar, new_label, new_text_color)
|
||
if new_value == nil and new_max_value == nil and new_icon == nil and new_bgicon == nil and new_bar == nil and new_label == nil and new_text_color == nil then
|
||
return true
|
||
end
|
||
if not player_exists(player) then
|
||
return false
|
||
end
|
||
|
||
local name = player:get_player_name()
|
||
local hudtable = hb.get_hudtable(identifier)
|
||
if not hudtable.hudstate[name] then
|
||
return false
|
||
end
|
||
local value_changed, max_changed = false, false
|
||
|
||
if new_value ~= nil then
|
||
if new_value ~= hudtable.hudstate[name].value then
|
||
hudtable.hudstate[name].value = new_value
|
||
value_changed = true
|
||
end
|
||
else
|
||
new_value = hudtable.hudstate[name].value
|
||
end
|
||
if new_max_value ~= nil then
|
||
if new_max_value ~= hudtable.hudstate[name].max then
|
||
hudtable.hudstate[name].max = new_max_value
|
||
max_changed = true
|
||
end
|
||
else
|
||
new_max_value = hudtable.hudstate[name].max
|
||
end
|
||
|
||
if hb.settings.bar_type == "progress_bar" then
|
||
if new_icon ~= nil and hudtable.hudids[name].icon ~= nil then
|
||
player:hud_change(hudtable.hudids[name].icon, "text", new_icon)
|
||
end
|
||
if new_bgicon ~= nil and hudtable.hudids[name].bgicon ~= nil then
|
||
player:hud_change(hudtable.hudids[name].bgicon, "text", new_bgicon)
|
||
end
|
||
if new_bar ~= nil then
|
||
player:hud_change(hudtable.hudids[name].bar , "text", new_bar)
|
||
end
|
||
if new_label ~= nil then
|
||
hudtable.label = new_label
|
||
local new_text = make_label(hudtable.format_string, hudtable.format_string_config, new_label, hudtable.hudstate[name].value, hudtable.hudstate[name].max)
|
||
player:hud_change(hudtable.hudids[name].text, "text", new_text)
|
||
end
|
||
if new_text_color ~= nil then
|
||
player:hud_change(hudtable.hudids[name].text, "number", new_text_color)
|
||
end
|
||
|
||
else
|
||
if new_icon ~= nil and hudtable.hudids[name].bar ~= nil then
|
||
player:hud_change(hudtable.hudids[name].bar, "text", new_icon)
|
||
end
|
||
if new_bgicon ~= nil and hudtable.hudids[name].bg ~= nil then
|
||
player:hud_change(hudtable.hudids[name].bg, "text", new_bgicon)
|
||
end
|
||
end
|
||
|
||
local main_error_text =
|
||
"[hudbars] Bad call to hb.change_hudbar, identifier: “"..tostring(identifier).."”, player name: “"..name.."”. "
|
||
if new_max_value < new_value then
|
||
minetest.log("error", main_error_text.."new_max_value ("..new_max_value..") is smaller than new_value ("..new_value..")!")
|
||
end
|
||
if new_max_value < 0 then
|
||
minetest.log("error", main_error_text.."new_max_value ("..new_max_value..") is smaller than 0!")
|
||
end
|
||
if new_value < 0 then
|
||
minetest.log("error", main_error_text.."new_value ("..new_value..") is smaller than 0!")
|
||
end
|
||
|
||
if hudtable.hudstate[name].hidden == false then
|
||
if max_changed and hb.settings.bar_type == "progress_bar" then
|
||
if hudtable.hudstate[name].max == 0 then
|
||
player:hud_change(hudtable.hudids[name].bg, "scale", {x=0,y=0})
|
||
else
|
||
player:hud_change(hudtable.hudids[name].bg, "scale", {x=1,y=1})
|
||
end
|
||
end
|
||
|
||
if value_changed or max_changed then
|
||
local new_barlength = hb.value_to_barlength(new_value, new_max_value)
|
||
if new_barlength ~= hudtable.hudstate[name].barlength then
|
||
player:hud_change(hudtable.hudids[name].bar, "number", hb.value_to_barlength(new_value, new_max_value))
|
||
hudtable.hudstate[name].barlength = new_barlength
|
||
end
|
||
|
||
if hb.settings.bar_type == "progress_bar" then
|
||
local new_text = make_label(hudtable.format_string, hudtable.format_string_config, hudtable.label, new_value, new_max_value)
|
||
if new_text ~= hudtable.hudstate[name].text then
|
||
player:hud_change(hudtable.hudids[name].text, "text", new_text)
|
||
hudtable.hudstate[name].text = new_text
|
||
end
|
||
end
|
||
end
|
||
end
|
||
return true
|
||
end
|
||
|
||
function hb.hide_hudbar(player, identifier)
|
||
if not player_exists(player) then return false end
|
||
local name = player:get_player_name()
|
||
local hudtable = hb.get_hudtable(identifier)
|
||
if hudtable == nil then return false end
|
||
if hb.settings.bar_type == "progress_bar" then
|
||
if hudtable.hudids[name].icon ~= nil then
|
||
player:hud_change(hudtable.hudids[name].icon, "scale", {x=0,y=0})
|
||
end
|
||
player:hud_change(hudtable.hudids[name].bg, "scale", {x=0,y=0})
|
||
player:hud_change(hudtable.hudids[name].text, "text", "")
|
||
end
|
||
player:hud_change(hudtable.hudids[name].bar, "number", 0)
|
||
player:hud_change(hudtable.hudids[name].bar, "item", 0)
|
||
hudtable.hudstate[name].hidden = true
|
||
return true
|
||
end
|
||
|
||
function hb.unhide_hudbar(player, identifier)
|
||
if not player_exists(player) then return false end
|
||
local name = player:get_player_name()
|
||
local hudtable = hb.get_hudtable(identifier)
|
||
if hudtable == nil then return false end
|
||
local value = hudtable.hudstate[name].value
|
||
local max = hudtable.hudstate[name].max
|
||
if hb.settings.bar_type == "progress_bar" then
|
||
if hudtable.hudids[name].icon ~= nil then
|
||
player:hud_change(hudtable.hudids[name].icon, "scale", {x=1,y=1})
|
||
end
|
||
if hudtable.hudstate[name].max ~= 0 then
|
||
player:hud_change(hudtable.hudids[name].bg, "scale", {x=1,y=1})
|
||
end
|
||
player:hud_change(hudtable.hudids[name].text, "text", make_label(hudtable.format_string, hudtable.format_string_config, hudtable.label, value, max))
|
||
elseif hb.settings.bar_type == "statbar_modern" then
|
||
player:hud_change(hudtable.hudids[name].bar, "scale", {x=1,y=1})
|
||
end
|
||
player:hud_change(hudtable.hudids[name].bar, "number", hb.value_to_barlength(value, max))
|
||
player:hud_change(hudtable.hudids[name].bar, "item", hb.value_to_barlength(max, max))
|
||
hudtable.hudstate[name].hidden = false
|
||
return true
|
||
end
|
||
|
||
function hb.get_hudbar_state(player, identifier)
|
||
if not player_exists(player) then return nil end
|
||
local ref = hb.get_hudtable(identifier).hudstate[player:get_player_name()]
|
||
-- Do not forget to update this chunk of code in case the state changes
|
||
local copy = {
|
||
hidden = ref.hidden,
|
||
value = ref.value,
|
||
max = ref.max,
|
||
text = ref.text,
|
||
barlength = ref.barlength,
|
||
}
|
||
return copy
|
||
end
|
||
|
||
function hb.get_hudbar_identifiers()
|
||
local ids = {}
|
||
for id, _ in pairs(hb.hudtables) do
|
||
table.insert(ids, id)
|
||
end
|
||
return ids
|
||
end
|
||
|
||
--register built-in HUD bars
|
||
if minetest.settings:get_bool("enable_damage") or hb.settings.forceload_default_hudbars then
|
||
hb.register_hudbar("health", 0xFFFFFF, S("Health"), { bar = "hudbars_bar_health.png", icon = "hudbars_icon_health.png", bgicon = "hudbars_bgicon_health.png" }, 0, 20, 20, false)
|
||
hb.register_hudbar("breath", 0xFFFFFF, S("Breath"), { bar = "hudbars_bar_breath.png", icon = "hudbars_icon_breath.png", bgicon = "hudbars_bgicon_breath.png" }, 1, 10, 10, true)
|
||
end
|
||
|
||
local function hide_builtin(player)
|
||
local flags = player:hud_get_flags()
|
||
flags.healthbar = false
|
||
flags.breathbar = false
|
||
player:hud_set_flags(flags)
|
||
end
|
||
|
||
|
||
local function custom_hud(player)
|
||
if minetest.settings:get_bool("enable_damage") or hb.settings.forceload_default_hudbars then
|
||
local hide
|
||
if minetest.settings:get_bool("enable_damage") then
|
||
hide = false
|
||
else
|
||
hide = true
|
||
end
|
||
local hp = player:get_hp()
|
||
local hp_max = player:get_properties().hp_max
|
||
hb.init_hudbar(player, "health", math.min(hp, hp_max), hp_max, hide)
|
||
local breath = player:get_breath()
|
||
local breath_max = player:get_properties().breath_max
|
||
local hide_breath
|
||
if breath >= breath_max and hb.settings.autohide_breath == true then hide_breath = true else hide_breath = false end
|
||
hb.init_hudbar(player, "breath", math.min(breath, breath_max), breath_max, hide_breath or hide)
|
||
end
|
||
end
|
||
|
||
local function update_health(player)
|
||
local hp_max = player:get_properties().hp_max
|
||
hb.change_hudbar(player, "health", player:get_hp(), hp_max)
|
||
end
|
||
|
||
-- update built-in HUD bars
|
||
local function update_hud(player, has_damage)
|
||
if not player_exists(player) then return end
|
||
if has_damage then
|
||
if hb.settings.forceload_default_hudbars then
|
||
hb.unhide_hudbar(player, "health")
|
||
end
|
||
--air
|
||
local breath_max = player:get_properties().breath_max
|
||
local breath = player:get_breath()
|
||
|
||
if breath >= breath_max and hb.settings.autohide_breath == true then
|
||
hb.hide_hudbar(player, "breath")
|
||
else
|
||
hb.unhide_hudbar(player, "breath")
|
||
hb.change_hudbar(player, "breath", math.min(breath, breath_max), breath_max)
|
||
end
|
||
--health
|
||
update_health(player)
|
||
elseif hb.settings.forceload_default_hudbars then
|
||
hb.hide_hudbar(player, "health")
|
||
hb.hide_hudbar(player, "breath")
|
||
end
|
||
end
|
||
|
||
minetest.register_on_player_hpchange(function(player)
|
||
if hb.players[player:get_player_name()] ~= nil then
|
||
update_health(player)
|
||
end
|
||
end)
|
||
|
||
minetest.register_on_respawnplayer(function(player)
|
||
update_health(player)
|
||
hb.hide_hudbar(player, "breath")
|
||
end)
|
||
|
||
minetest.register_on_joinplayer(function(player)
|
||
hide_builtin(player)
|
||
custom_hud(player)
|
||
hb.players[player:get_player_name()] = player
|
||
end)
|
||
|
||
minetest.register_on_leaveplayer(function(player)
|
||
hb.players[player:get_player_name()] = nil
|
||
end)
|
||
|
||
local main_timer = 0
|
||
local timer = 0
|
||
minetest.register_globalstep(function(dtime)
|
||
main_timer = main_timer + dtime
|
||
timer = timer + dtime
|
||
if main_timer > hb.settings.tick or timer > 4 then
|
||
if main_timer > hb.settings.tick then main_timer = 0 end
|
||
-- only proceed if damage is enabled
|
||
local has_dmg = minetest.settings:get_bool("enable_damage")
|
||
if has_dmg or hb.settings.forceload_default_hudbars then
|
||
for _, player in pairs(hb.players) do
|
||
-- update all hud elements
|
||
update_hud(player, has_dmg)
|
||
end
|
||
end
|
||
end
|
||
if timer > 4 then timer = 0 end
|
||
end)
|