VoxeLibre/mods/HUD/mcl_title/init.lua
2022-10-09 21:31:23 +02:00

308 lines
8.6 KiB
Lua

--Based on:
--https://www.digminecraft.com/game_commands/title_command.php
--https://youtu.be/oVrtQRO2hpY
--TODO: use SSCSM to reduce lag and network trafic (just send modchannel messages)
--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
---@type table<string, table<ObjectRef, any>>
local huds_idx = {}
---@type table<string, table<string, number>>
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
---@param gametick integer
---@return number?
local function gametick_to_secondes(gametick)
if gametick then
return gametick / 20
else
return nil
end
end
--https://github.com/minetest/minetest/blob/b3b075ea02034306256b486dd45410aa765f035a/doc/lua_api.txt#L8477
---@param bold? boolean
---@param italic? boolean
---@return integer
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
local no_style = style_to_bits(false, false)
---PARAMS SYSTEM
---@type table<ObjectRef, {stay: integer}>
local player_params = {}
minetest.register_on_joinplayer(function(player)
--local playername = player:get_player_name()
player_params[player] = {
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 = "",
style = no_style,
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 = "",
style = no_style,
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,
style = no_style,
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 from list
hud_hide_timeouts.title[playername] = nil
hud_hide_timeouts.subtitle[playername] = nil
hud_hide_timeouts.actionbar[playername] = nil
end)
---@param player ObjectRef
---@param data {stay: integer}
function mcl_title.params_set(player, data)
player_params[player] = {
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
---@param player ObjectRef
---@return {stay: integer}
function mcl_title.params_get(player)
return player_params[player]
end
--API FUNCTIONS
---@param player ObjectRef
---@param type '"title"'|'"subtitle"'|'"actionbar"'
---@param data {text: string, color: string, stay: integer, bold: boolean, italic: boolean}
---@return boolean
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)
-- Apply bold and italic
player:hud_change(huds_idx[type][player], "style", style_to_bits(data.bold, data.italic))
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
---@param player ObjectRef?
---@param type '"title"'|'"subtitle"'|'"actionbar"'
function mcl_title.remove(player, type)
if player then
player:hud_change(huds_idx[type][player], "text", "")
player:hud_change(huds_idx[type][player], "style", no_style)
end
end
---@param player ObjectRef
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)
--DEBUG STUFF!!
--TODO:Proper /title command that can send the title to other players.
--These commands are just for debugging right now.
local dbg_msg = "Note that these are just debug commands right now. e.g. the title is only sent to he player issuing the command. Proper /title commands will be added in the future."
minetest.register_chatcommand("title", {
privs = { debug = true },
func = function(name, param)
local player = minetest.get_player_by_name(name)
if player then
mcl_title.set(player, "title", { text = param, color = "gold", bold = true, italic = true })
return true, dbg_msg
else
return false, dbg_msg
end
end,
})
minetest.register_chatcommand("subtitle", {
privs = { debug = true },
func = function(name, param)
local player = minetest.get_player_by_name(name)
if player then
mcl_title.set(player, "subtitle", { text = param, color = "gold" })
return true, dbg_msg
else
return false, dbg_msg
end
end,
})
minetest.register_chatcommand("actionbar", {
privs = { debug = true },
func = function(name, param)
local player = minetest.get_player_by_name(name)
if player then
mcl_title.set(player, "actionbar", { text = param, color = "gold", bold = true, italic = true })
return true, dbg_msg
else
return false, dbg_msg
end
end,
})
minetest.register_chatcommand("title_timeout", {
privs = { debug = true },
func = function(name, param)
local player = minetest.get_player_by_name(name)
if player then
mcl_title.params_set(player, { stay = 600 })
return true, dbg_msg
else
return false, dbg_msg
end
end,
})
minetest.register_chatcommand("title_all", {
privs = { debug = true },
func = function(name, param)
local player = minetest.get_player_by_name(name)
if player then
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" })
return true, dbg_msg
else
return false, dbg_msg
end
end,
})
minetest.register_chatcommand("title_all_styles", {
privs = { debug = true },
func = function(name, param)
local player = minetest.get_player_by_name(name)
if player then
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", bold = true })
mcl_title.set(player, "actionbar", { text = param, color = "gold", italic = true })
return true, dbg_msg
else
return false, dbg_msg
end
end,
})