capturetheflag/mods/playertag/api.lua
2018-01-21 20:43:00 +00:00

136 lines
3.4 KiB
Lua

local nametags = {}
local tag_settings = {}
local ATTACH_POSITION = minetest.rgba and {x=0,y=20,z=0} or {x=0,y=10,z=0}
local TYPE_BUILTIN = 0
local TYPE_ENTITY = 1
playertag = {
TYPE_BUILTIN = TYPE_BUILTIN,
TYPE_ENTITY = TYPE_ENTITY,
}
local function add_entity_tag(player)
local ent = minetest.add_entity(player:get_pos(), "playertag:tag")
-- Build name from font texture
local color = "W"
local texture = "npcf_tag_bg.png"
local x = math.floor(134 - ((player:get_player_name():len() * 11) / 2))
local i = 0
player:get_player_name():gsub(".", function(char)
if char:byte() > 64 and char:byte() < 91 then
char = "U"..char
end
texture = texture.."^[combine:84x14:"..(x+i)..",0="..color.."_"..char..".png"
i = i + 11
end)
ent:set_properties({ textures={texture} })
-- Attach to player
ent:set_attach(player, "", ATTACH_POSITION, {x=0,y=0,z=0})
ent:get_luaentity().wielder = player:get_player_name()
-- Store
nametags[player:get_player_name()] = ent
-- Hide fixed nametag
player:set_nametag_attributes({
color = {a = 0, r = 0, g = 0, b = 0}
})
end
local function remove_entity_tag(player)
tag_settings[player:get_player_name()] = nil
local tag = nametags[player:get_player_name()]
if tag then
tag:remove()
tag = nil
end
end
local function update(player, settings)
tag_settings[player:get_player_name()] = settings
if settings.type == TYPE_BUILTIN then
remove_entity_tag(player)
print(dump(settings.color))
player:set_nametag_attributes({
color = settings.color
})
elseif settings.type == TYPE_ENTITY then
add_entity_tag(player)
end
end
function playertag.set(player, type, color)
local oldset = tag_settings[player:get_player_name()]
color = color or { a=255, r=255, g=255, b=255 }
if not oldset or oldset.type ~= type or oldset.color ~= color then
update(player, { type = type, color = color })
end
end
local nametag = {
npcf_id = "nametag",
physical = false,
collisionbox = {x=0, y=0, z=0},
visual = "sprite",
textures = {"default_dirt.png"},--{"npcf_tag_bg.png"},
visual_size = {x=2.16, y=0.18, z=2.16},--{x=1.44, y=0.12, z=1.44},
}
function nametag:on_activate(staticdata, dtime_s)
if staticdata == "expired" then
local name = self.wielder and self.wielder:get_player_name()
if name and nametags[name] == self.object then
nametags[name] = nil
end
self.object:remove()
end
end
function nametag:get_staticdata()
return "expired"
end
function nametag:on_step(dtime)
local name = self.wielder
local wielder = name and minetest.get_player_by_name(name)
if not wielder then
self.object:remove()
elseif not tag_settings[name] or tag_settings[name].type ~= TYPE_ENTITY then
if name and nametags[name] == self.object then
nametags[name] = nil
end
self.object:remove()
end
end
minetest.register_entity("playertag:tag", nametag)
local function step()
for _, player in pairs(minetest.get_connected_players()) do
local settings = tag_settings[player:get_player_name()]
if settings and settings.type == TYPE_ENTITY then
local ent = nametags[player:get_player_name()]
if not ent or ent:get_luaentity() == nil then
add_entity_tag(player)
else
ent:set_attach(player, "", ATTACH_POSITION, {x=0,y=0,z=0})
end
end
end
minetest.after(10, step)
end
minetest.after(10, step)
minetest.register_on_joinplayer(function(player)
playertag.set(player, TYPE_ENTITY)
end)
minetest.register_on_leaveplayer(function (player)
remove_entity_tag(player)
end)