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MineClone2/mods/HUD/mcl_title/init.lua

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Lua
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--Based on:
--https://www.digminecraft.com/game_commands/title_command.php
--https://youtu.be/oVrtQRO2hpY
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--TODO: use SSCSM to reduce lag and network trafic (just send modchannel messages)
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--TODO: fadeIn and fadeOut animation (needs engine change: SSCSM or native support)
--TODO: allow obfuscating text (needs engine change: SSCSM or native support)
--TODO: allow colorizing and styling of part of the text (NEEDS ENGINE CHANGE!!!)
--TODO: exactly mc like layout
--Note that the table storing timeouts use playername as index insteed of player objects (faster)
--This is intended in order to speedup the process of removing HUD elements the the timeout is up
local huds_idx = {}
local hud_hide_timeouts = {}
hud_hide_timeouts.title = {}
hud_hide_timeouts.subtitle = {}
hud_hide_timeouts.actionbar = {}
huds_idx.title = {}
huds_idx.subtitle = {}
huds_idx.actionbar = {}
mcl_title = {}
mcl_title.defaults = {fadein = 10, stay = 70, fadeout = 20}
mcl_title.layout = {}
mcl_title.layout.title = {position = {x = 0.5, y = 0.5}, alignment = {x = 0, y = -1.3}, size = 7}
mcl_title.layout.subtitle = {position = {x = 0.5, y = 0.5}, alignment = {x = 0, y = 1.7}, size = 4}
mcl_title.layout.actionbar = {position = {x = 0.5, y = 1}, alignment = {x = 0, y = 0}, size = 1}
local get_color = mcl_util.get_color
local string = string
local pairs = pairs
local function gametick_to_secondes(gametick)
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if gametick then
return gametick / 20
else
return nil
end
end
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--https://github.com/minetest/minetest/blob/b3b075ea02034306256b486dd45410aa765f035a/doc/lua_api.txt#L8477
local function style_to_bits(bold, italic)
if bold then
if italic then
return 3
else
return 1
end
else
if italic then
return 2
else
return 0
end
end
end
--PARAMS SYSTEM
local player_params = {}
minetest.register_on_joinplayer(function(player)
local playername = player:get_player_name()
player_params[player] = {
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stay = mcl_title.defaults.stay,
--fadeIn = mcl_title.defaults.fadein,
--fadeOut = mcl_title.defaults.fadeout,
}
local _, hex_color = get_color("white")
huds_idx.title[player] = player:hud_add({
hud_elem_type = "text",
position = mcl_title.layout.title.position,
alignment = mcl_title.layout.title.alignment,
text = "",
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style = 0,
size = {x = mcl_title.layout.title.size},
number = hex_color,
z_index = 100,
})
huds_idx.subtitle[player] = player:hud_add({
hud_elem_type = "text",
position = mcl_title.layout.subtitle.position,
alignment = mcl_title.layout.subtitle.alignment,
text = "",
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style = 0,
size = {x = mcl_title.layout.subtitle.size},
number = hex_color,
z_index = 100,
})
huds_idx.actionbar[player] = player:hud_add({
hud_elem_type = "text",
position = mcl_title.layout.actionbar.position,
offset = {x = 0, y = -210},
alignment = mcl_title.layout.actionbar.alignment,
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style = 0,
text = "",
size = {x = mcl_title.layout.actionbar.size},
number = hex_color,
z_index = 100,
})
end)
minetest.register_on_leaveplayer(function(player)
local playername = player:get_player_name()
--remove player params from the list
player_params[player] = nil
--remove HUD idx from the list (HUD elements are removed by the engine)
huds_idx.title[player] = nil
huds_idx.subtitle[player] = nil
huds_idx.actionbar[player] = nil
--remove timers form list
hud_hide_timeouts.title[playername] = nil
hud_hide_timeouts.subtitle[playername] = nil
hud_hide_timeouts.actionbar[playername] = nil
end)
function mcl_title.params_set(player, data)
player_params[player] = {
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stay = data.stay or mcl_title.defaults.stay,
--fadeIn = data.fadeIn or mcl_title.defaults.fadein,
--fadeOut = data.fadeOut or mcl_title.defaults.fadeout,
}
end
function mcl_title.params_get(player)
return player_params[player]
end
--API FUNCTIONS
function mcl_title.set(player, type, data)
if not data.color then
data.color = "white"
end
local _, hex_color = get_color(data.color)
if not hex_color then
return false
end
player:hud_change(huds_idx[type][player], "text", data.text)
player:hud_change(huds_idx[type][player], "number", hex_color)
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--apply bold and italic
player:hud_change(huds_idx[type][player], "style", style_to_bits(data.bold, data.italic))
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hud_hide_timeouts[type][player:get_player_name()] = gametick_to_secondes(data.stay) or gametick_to_secondes(mcl_title.params_get(player).stay)
return true
end
function mcl_title.remove(player, type)
if player then
player:hud_change(huds_idx[type][player], "text", "")
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player:hud_change(huds_idx[type][player], "style", 0) --no styling
end
end
function mcl_title.clear(player)
mcl_title.remove(player, "title")
mcl_title.remove(player, "subtitle")
mcl_title.remove(player, "actionbar")
end
minetest.register_on_dieplayer(function(player)
mcl_title.clear(player)
end)
minetest.register_globalstep(function(dtime)
local new_timeouts = {
title = {},
subtitle = {},
actionbar = {},
}
for element, content in pairs(hud_hide_timeouts) do
for name, timeout in pairs(content) do
timeout = timeout - dtime
if timeout <= 0 then
local player = minetest.get_player_by_name(name)
mcl_title.remove(player, element)
else
new_timeouts[element][name] = timeout
end
end
end
hud_hide_timeouts = new_timeouts
end)
--TEMP STUFF!!
--TODO: remove then testing/tweaking done
minetest.register_chatcommand("title", {
func = function(name, param)
local player = minetest.get_player_by_name(name)
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mcl_title.set(player, "title", {text=param, color="gold", bold=true, italic=true})
end,
})
minetest.register_chatcommand("subtitle", {
func = function(name, param)
local player = minetest.get_player_by_name(name)
mcl_title.set(player, "subtitle", {text=param, color="gold"})
end,
})
minetest.register_chatcommand("actionbar", {
func = function(name, param)
local player = minetest.get_player_by_name(name)
mcl_title.set(player, "actionbar", {text=param, color="gold"})
end,
})
minetest.register_chatcommand("timeout", {
func = function(name, param)
local player = minetest.get_player_by_name(name)
mcl_title.params_set(player, {stay = 600})
end,
})
minetest.register_chatcommand("all", {
func = function(name, param)
local player = minetest.get_player_by_name(name)
mcl_title.params_set(player, {stay = 600})
mcl_title.set(player, "title", {text=param, color="gold"})
mcl_title.set(player, "subtitle", {text=param, color="gold"})
mcl_title.set(player, "actionbar", {text=param, color="gold"})
end,
})