minetest_hudbars/init.lua
2015-02-04 04:32:11 +01:00

195 lines
5.0 KiB
Lua

hud = {}
-- HUD statbar values
hud.health = {}
hud.air = {}
-- HUD item ids
local health_hud = {}
local health_hud_text = {}
local health_hud_icon = {}
local air_hud = {}
local air_hud_text = {}
local air_hud_icon = {}
-- default settings
HUD_SCALEABLE = false
HUD_BARLENGTH = 160
-- statbar positions
HUD_HEALTH_POS = {x=0.5,y=0.9}
HUD_HEALTH_OFFSET = {x=-175, y=2}
HUD_AIR_POS = {x=0.5,y=0.9}
HUD_AIR_OFFSET = {x=15,y=2}
-- dirty way to check for new statbars
if dump(minetest.hud_replace_builtin) ~= "nil" then
HUD_SCALEABLE = true
HUD_HEALTH_POS = {x=0.5,y=1}
HUD_HEALTH_OFFSET = {x=-175, y=-70}
HUD_AIR_POS = {x=0.5,y=1}
HUD_AIR_OFFSET = {x=15,y=-70}
end
HUD_TICK = 0.1
function hud.value_to_barlength(value, max)
return math.ceil((value/max) * HUD_BARLENGTH)
end
--load custom settings
local set = io.open(minetest.get_modpath("hudbars").."/hud.conf", "r")
if set then
dofile(minetest.get_modpath("hudbars").."/hud.conf")
set:close()
end
local function hide_builtin(player)
player:hud_set_flags({crosshair = true, hotbar = true, healthbar = false, wielditem = true, breathbar = false})
end
local function custom_hud(player)
local name = player:get_player_name()
if minetest.setting_getbool("enable_damage") then
--health
health_hud_icon[name] = player:hud_add({
hud_elem_type = "image",
position = HUD_HEALTH_POS,
scale = { x = 1, y = 1 },
text = "hudbars_icon_health.png",
alignment = {x=-1,y=1},
offset = { x = HUD_HEALTH_OFFSET.x - 3, y = HUD_HEALTH_OFFSET.y },
})
player:hud_add({
hud_elem_type = "image",
position = HUD_HEALTH_POS,
scale = { x = 1, y = 1 },
text = "hudbars_bar_background.png",
alignment = {x=1,y=1},
offset = { x = HUD_HEALTH_OFFSET.x - 1, y = HUD_HEALTH_OFFSET.y - 1 },
})
health_hud[name] = player:hud_add({
hud_elem_type = "statbar",
position = HUD_HEALTH_POS,
text = "hudbars_bar_health.png",
number = hud.value_to_barlength(player:get_hp(), 20),
alignment = {x=-1,y=-1},
offset = HUD_HEALTH_OFFSET,
})
health_hud_text[name] = player:hud_add({
hud_elem_type = "text",
position = HUD_HEALTH_POS,
text = tostring(string.format("Health: %d/%d", player:get_hp(), 20)),
alignment = {x=1,y=1},
number = 0xFFFFFF,
direction = 0,
offset = { x = HUD_HEALTH_OFFSET.x + 2, y = HUD_HEALTH_OFFSET.y },
})
--air
air_hud_icon[name] = player:hud_add({
hud_elem_type = "image",
position = HUD_AIR_POS,
scale = { x = 1, y = 1 },
text = "hudbars_icon_breath.png",
alignment = {x=-1,y=1},
offset = { x = HUD_AIR_OFFSET.x - 3, y = HUD_AIR_OFFSET.y },
})
player:hud_add({
hud_elem_type = "image",
position = HUD_AIR_POS,
scale = { x = 1, y = 1 },
text = "hudbars_bar_background.png",
alignment = {x=1,y=1},
offset = { x = HUD_AIR_OFFSET.x - 1, y = HUD_AIR_OFFSET.y - 1 },
})
air_hud[name] = player:hud_add({
hud_elem_type = "statbar",
position = HUD_AIR_POS,
text = "hudbars_bar_breath.png",
number = hud.value_to_barlength(math.min(player:get_breath(), 10), 10),
alignment = {x=-1,y=-1},
offset = HUD_AIR_OFFSET,
})
air_hud_text[name] = player:hud_add({
hud_elem_type = "text",
position = HUD_AIR_POS,
text = tostring(string.format("Breath: %d/%d", math.min(player:get_breath(), 10), 10)),
alignment = {x=1,y=1},
number = 0x000000,
direction = 0,
offset = { x = HUD_AIR_OFFSET.x + 2, y = HUD_AIR_OFFSET.y },
})
end
end
-- update hud elemtens if value has changed
local function update_hud(player)
local name = player:get_player_name()
--air
local air = tonumber(hud.air[name])
if player:get_breath() ~= air then
air = player:get_breath()
hud.air[name] = air
player:hud_change(air_hud[name], "number", hud.value_to_barlength(math.min(air, 10), 10))
player:hud_change(air_hud_text[name], "text",
tostring(string.format("Breath: %d/%d", math.min(player:get_breath(), 10), 10))
)
end
--health
local hp = tonumber(hud.health[name])
if player:get_hp() ~= hp then
hp = player:get_hp()
hud.health[name] = hp
player:hud_change(health_hud[name], "number", hud.value_to_barlength(hp, 20))
player:hud_change(health_hud_text[name], "text",
tostring(string.format("Health: %d/%d", hp, 20))
)
end
end
minetest.register_on_joinplayer(function(player)
local name = player:get_player_name()
local inv = player:get_inventory()
hud.health[name] = player:get_hp()
local air = player:get_breath()
hud.air[name] = air
minetest.after(0.5, function()
hide_builtin(player)
custom_hud(player)
end)
end)
local main_timer = 0
local timer = 0
local timer2 = 0
minetest.after(2.5, function()
minetest.register_globalstep(function(dtime)
main_timer = main_timer + dtime
timer = timer + dtime
timer2 = timer2 + dtime
if main_timer > HUD_TICK or timer > 4 then
if main_timer > HUD_TICK then main_timer = 0 end
for _,player in ipairs(minetest.get_connected_players()) do
local name = player:get_player_name()
-- only proceed if damage is enabled
if minetest.setting_getbool("enable_damage") then
local hp = player:get_hp()
-- update all hud elements
update_hud(player)
end
end
end
if timer > 4 then timer = 0 end
end)
end)