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VoxeLibre/mods/HUD/mcl_offhand/init.lua

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Lua
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2022-03-15 15:58:27 +01:00
local minetest, math = minetest, math
mcl_offhand = {}
local max_offhand_px = 128
-- only supports up to 128px textures
function mcl_offhand.get_offhand(player)
return player:get_inventory():get_stack("offhand", 1)
end
local function offhand_get_wear(player)
return mcl_offhand.get_offhand(player):get_wear()
end
local function offhand_get_count(player)
return mcl_offhand.get_offhand(player):get_count()
end
minetest.register_on_joinplayer(function(player, last_login)
mcl_offhand[player] = {
hud = {},
last_wear = offhand_get_wear(player),
last_count = offhand_get_count(player),
}
end)
local function remove_hud(player, hud)
local offhand_hud = mcl_offhand[player].hud[hud]
if offhand_hud then
player:hud_remove(offhand_hud)
mcl_offhand[player].hud[hud] = nil
end
end
function rgb_to_hex(r, g, b)
return string.format("%02x%02x%02x", r, g, b)
end
local function update_wear_bar(player, itemstack)
local wear_bar_percent = (65535 - offhand_get_wear(player)) / 65535
local color = {255, 255, 255}
local wear = itemstack:get_wear() / 65535;
local wear_i = math.min(math.floor(wear * 600), 511);
wear_i = math.min(wear_i + 10, 511);
if wear_i <= 255 then
color = {wear_i, 255, 0}
else
color = {255, 511 - wear_i, 0}
end
local wear_bar = mcl_offhand[player].hud.wear_bar
player:hud_change(wear_bar, "text", "mcl_wear_bar.png^[colorize:#" .. rgb_to_hex(color[1], color[2], color[3]))
player:hud_change(wear_bar, "scale", {x = 40 * wear_bar_percent, y = 3})
player:hud_change(wear_bar, "offset", {x = -320 - (20 - player:hud_get(wear_bar).scale.x / 2), y = -13})
end
minetest.register_globalstep(function(dtime)
for _, player in pairs(minetest.get_connected_players()) do
local itemstack = mcl_offhand.get_offhand(player)
local offhand_item = itemstack:get_name()
local offhand_hud = mcl_offhand[player].hud
local item = minetest.registered_items[offhand_item]
if offhand_item ~= "" and item then
local item_texture = item.inventory_image .. "^[resize:" .. max_offhand_px .. "x" .. max_offhand_px
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local position = {x = 0.5, y = 1}
local offset = {x = -320, y = -32}
if not offhand_hud.slot then
offhand_hud.slot = player:hud_add({
hud_elem_type = "image",
position = position,
offset = offset,
scale = {x = 0.46875, y = 0.46875},
text = "mcl_offhand_slot.png" .. "^[resize:" .. max_offhand_px .. "x" .. max_offhand_px,
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z_index = 0,
})
end
if not offhand_hud.item then
offhand_hud.item = player:hud_add({
hud_elem_type = "image",
position = position,
offset = offset,
scale = {x = 0.375, y = 0.375},
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text = item_texture,
z_index = 1,
})
else
player:hud_change(offhand_hud.item, "text", item_texture)
end
if not offhand_hud.wear_bar_bg and minetest.registered_tools[offhand_item] then
if offhand_get_wear(player) > 0 then
local texture = "mcl_wear_bar.png^[colorize:#000000"
offhand_hud.wear_bar_bg = player:hud_add({
hud_elem_type = "image",
position = {x = 0.5, y = 1},
offset = {x = -320, y = -13},
scale = {x = 40, y = 3},
text = texture,
z_index = 2,
})
offhand_hud.wear_bar = player:hud_add({
hud_elem_type = "image",
position = {x = 0.5, y = 1},
offset = {x = -320, y = -13},
scale = {x = 10, y = 3},
text = texture,
z_index = 3,
})
update_wear_bar(player, itemstack)
end
end
if not offhand_hud.item_count and offhand_get_count(player) > 1 then
offhand_hud.item_count = player:hud_add({
hud_elem_type = "text",
position = {x = 0.5, y = 1},
offset = {x = -298, y = -18},
scale = {x = 1, y = 1},
alignment = {x = -1, y = 0},
text = offhand_get_count(player),
z_index = 4,
number = 0xFFFFFF,
})
end
if offhand_hud.wear_bar then
if offhand_hud.last_wear ~= offhand_get_wear(player) then
update_wear_bar(player, itemstack)
offhand_hud.last_wear = offhand_get_wear(player)
end
if offhand_get_wear(player) <= 0 or not minetest.registered_tools[offhand_item] then
remove_hud(player, "wear_bar_bg")
remove_hud(player, "wear_bar")
end
end
if offhand_hud.item_count then
if offhand_hud.last_count ~= offhand_get_count(player) then
player:hud_change(offhand_hud.item_count, "text", offhand_get_count(player))
offhand_hud.last_count = offhand_get_count(player)
end
if offhand_get_count(player) <= 1 then
remove_hud(player, "item_count")
end
end
elseif offhand_hud.slot then
for index, _ in pairs(mcl_offhand[player].hud) do
remove_hud(player, index)
end
end
end
end)
minetest.register_allow_player_inventory_action(function(player, action, inventory, inventory_info)
if action == "move" and inventory_info.to_list == "offhand" then
local itemstack = inventory:get_stack(inventory_info.from_list, inventory_info.from_index)
if not (minetest.get_item_group(itemstack:get_name(), "offhand_item") > 0) then
return 0
else
return itemstack:get_stack_max()
end
end
end)
minetest.register_on_player_inventory_action(function(player, action, inventory, inventory_info)
local from_offhand = inventory_info.from_list == "offhand"
local to_offhand = inventory_info.to_list == "offhand"
if action == "move" and from_offhand or to_offhand then
mcl_inventory.update_inventory_formspec(player)
end
end)