i3/src/hud.lua

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2021-11-26 03:32:04 +01:00
local get_player_by_name = i3.get("get_player_by_name")
local function init_hud(player)
local name = player:get_player_name()
local data = i3.data[name]
data.hud = {
bg = player:hud_add {
hud_elem_type = "image",
position = {x = 0.78, y = 1},
alignment = {x = 1, y = 1},
scale = {x = 370, y = 112},
text = "i3_bg.png",
z_index = 0xDEAD,
},
img = player:hud_add {
hud_elem_type = "image",
position = {x = 0.79, y = 1.02},
alignment = {x = 1, y = 1},
scale = {x = 4, y = 4},
text = "",
z_index = 0xDEAD,
},
text = player:hud_add {
hud_elem_type = "text",
position = {x = 0.84, y = 1.04},
alignment = {x = 1, y = 1},
number = 0xffffff,
text = "",
z_index = 0xDEAD,
style = 1,
},
}
core.after(0, function()
player:hud_set_hotbar_itemcount(i3.HOTBAR_LEN)
player:hud_set_hotbar_image"i3_hotbar.png"
end)
end
local function show_hud(player, data)
-- It would better to have an engine function `hud_move` to only need
-- 2 calls for the notification's back and forth.
local hud_info_bg = player:hud_get(data.hud.bg)
local dt = 0.016
if hud_info_bg.position.y <= 0.9 then
data.show_hud = false
data.hud_timer = (data.hud_timer or 0) + dt
end
player:hud_change(data.hud.text, "text", data.hud_msg)
if data.hud_img then
player:hud_change(data.hud.img, "text", data.hud_img)
end
if data.show_hud then
for _, def in pairs(data.hud) do
local hud_info = player:hud_get(def)
player:hud_change(def, "position", {
x = hud_info.position.x,
y = hud_info.position.y - ((dt / 5) * i3.HUD_SPEED)
})
end
elseif data.show_hud == false then
if data.hud_timer >= i3.HUD_TIMER_MAX then
for _, def in pairs(data.hud) do
local hud_info = player:hud_get(def)
player:hud_change(def, "position", {
x = hud_info.position.x,
y = hud_info.position.y + ((dt / 5) * i3.HUD_SPEED)
})
end
if hud_info_bg.position.y >= 1 then
data.show_hud = nil
data.hud_timer = nil
data.hud_msg = nil
data.hud_img = nil
end
end
end
end
core.register_globalstep(function()
for name, data in pairs(i3.data) do
if data.show_hud ~= nil then
local player = get_player_by_name(name)
show_hud(player, data)
end
end
end)
return init_hud