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pipeworks/common.lua

340 lines
9.1 KiB

----------------------
-- Vector functions --
----------------------
function pipeworks.vector_cross(a, b)
return {
x = a.y * b.z - a.z * b.y,
y = a.z * b.x - a.x * b.z,
z = a.x * b.y - a.y * b.x
}
end
function pipeworks.vector_dot(a, b)
return a.x * b.x + a.y * b.y + a.z * b.z
end
-----------------------
-- Facedir functions --
-----------------------
function pipeworks.facedir_to_top_dir(facedir)
return ({[0] = {x = 0, y = 1, z = 0},
{x = 0, y = 0, z = 1},
{x = 0, y = 0, z = -1},
{x = 1, y = 0, z = 0},
{x = -1, y = 0, z = 0},
{x = 0, y = -1, z = 0}})
[math.floor(facedir / 4)]
end
function pipeworks.facedir_to_right_dir(facedir)
return pipeworks.vector_cross(
pipeworks.facedir_to_top_dir(facedir),
minetest.facedir_to_dir(facedir)
)
end
local directions = {}
pipeworks.directions = directions
function directions.side_to_dir(side)
return ({[0] = vector.new(),
vector.new( 0, 1, 0),
vector.new( 0, -1, 0),
vector.new( 1, 0, 0),
vector.new(-1, 0, 0),
vector.new( 0, 0, 1),
vector.new( 0, 0, -1)
})[side]
end
function directions.dir_to_side(dir)
local c = pipeworks.vector_dot(dir, vector.new(1, 2, 3)) + 4
return ({6, 2, 4, 0, 3, 1, 5})[c]
end
----------------------
-- String functions --
----------------------
--[[function pipeworks.string_split(str, sep)
local fields = {}
local index = 1
local expr = "([^"..sep.."])+"
string.gsub(str, expr, function(substring)
fields[index] = substring
index = index + 1
end)
return fields
end]]
function pipeworks.string_startswith(str, substr)
return str:sub(1, substr:len()) == substr
end
---------------------
-- Table functions --
---------------------
function pipeworks.table_contains(tbl, element)
for _, elt in pairs(tbl) do
if elt == element then
return true
end
end
return false
end
function pipeworks.table_extend(tbl, tbl2)
local oldlength = #tbl
for i = 1,#tbl2 do
tbl[oldlength + i] = tbl2[i]
end
end
function pipeworks.table_recursive_replace(tbl, pattern, replace_with)
if type(tbl) == "table" then
local tbl2 = {}
for key, value in pairs(tbl) do
tbl2[key] = pipeworks.table_recursive_replace(value, pattern, replace_with)
end
return tbl2
elseif type(tbl) == "string" then
return tbl:gsub(pattern, replace_with)
else
return tbl
end
end
------------------------
-- Formspec functions --
------------------------
local fs_helpers = {}
pipeworks.fs_helpers = fs_helpers
function fs_helpers.on_receive_fields(pos, fields)
local meta = minetest.get_meta(pos)
for field in pairs(fields) do
if pipeworks.string_startswith(field, "fs_helpers_cycling:") then
local l = field:split(":")
local new_value = tonumber(l[2])
local meta_name = l[3]
meta:set_int(meta_name, new_value)
end
end
end
function fs_helpers.cycling_button(meta, base, meta_name, values)
local current_value = meta:get_int(meta_name)
local new_value = (current_value + 1) % (#values)
local val = values[current_value + 1]
local text
local texture_name = nil
local addopts = nil
--when we get a table, we know the caller wants an image_button
if type(val) == "table" then
text = val["text"]
texture_name = val["texture"]
addopts = val["addopts"]
else
text = val
end
local field = "fs_helpers_cycling:"..new_value..":"..meta_name
return base..";"..(texture_name and texture_name..";" or "")..field..";"..minetest.formspec_escape(text)..(addopts and ";"..addopts or "").."]"
end
function fs_helpers.get_inv(y)
local fs = {}
if minetest.get_modpath("i3") then
local inv_x = i3.settings.legacy_inventory and 0.75 or 0.22
local inv_y = (y + 0.4) or 6.9
local size, spacing = 1, 0.1
local hotbar_len = i3.settings.hotbar_len or (i3.settings.legacy_inventory and 8 or 9)
local inv_size = i3.settings.inv_size or (hotbar_len * 4)
table.insert(fs, "style_type[box;colors=#77777710,#77777710,#777,#777]")
for i = 0, hotbar_len - 1 do
table.insert(fs, "box["..(i * size + inv_x + (i * spacing))..","..inv_y..";"..size..","..size..";]")
end
table.insert(fs, "style_type[list;size="..size..";spacing="..spacing.."]")
table.insert(fs, "list[current_player;main;"..inv_x..","..inv_y..";"..hotbar_len..",1;]")
table.insert(fs, "style_type[box;colors=#666]")
for i=0, 2 do
for j=0, hotbar_len - 1 do
table.insert(fs, "box["..0.2+(j*0.1)+(j*size)..","..(inv_y+size+spacing+0.05)+(i*0.1)+(i*size)..";"..size..","..size..";]")
end
end
table.insert(fs, "style_type[list;size="..size..";spacing="..spacing.."]")
table.insert(fs, "list[current_player;main;"..inv_x..","..(inv_y + 1.15)..";"..hotbar_len..","..(inv_size / hotbar_len)..";"..hotbar_len.."]")
else
table.insert(fs, "list[current_player;main;0.22,"..y..";8,4;]")
end
return table.concat(fs, "")
end
function fs_helpers.get_prepends(size)
local prepend = {}
if minetest.get_modpath("i3") then
prepend = {
"no_prepend[]",
"bgcolor[black;neither]",
"background9[0,0;"..size..";i3_bg_full.png;false;10]",
"style_type[button;border=false;bgimg=[combine:16x16^[noalpha^[colorize:#6b6b6b]",
"listcolors[#0000;#ffffff20]"
}
end
return table.concat(prepend, "")
end
---------
-- Env --
---------
function pipeworks.load_position(pos)
if pos.x < -30912 or pos.y < -30912 or pos.z < -30912 or
pos.x > 30927 or pos.y > 30927 or pos.z > 30927 then return end
if minetest.get_node_or_nil(pos) then
return
end
local vm = minetest.get_voxel_manip()
vm:read_from_map(pos, pos)
end
local function delay(...)
local args = {...}
return (function() return unpack(args) end)
end
local function get_set_wrap(name, is_dynamic)
return (function(self)
return self["_" .. name]
end), (function(self, value)
if is_dynamic then
self["_" .. name] = type(value) == "table"
and table.copy(value) or value
end
end)
end
function pipeworks.create_fake_player(def, is_dynamic)
local wielded_item = ItemStack("")
if def.inventory and def.wield_list then
wielded_item = def.inventory:get_stack(def.wield_list, def.wield_index or 1)
end
local p = {
get_player_name = delay(def.name),
is_player = delay(true),
is_fake_player = true,
_formspec = def.formspec or "",
_hp = def.hp or 20,
_breath = 11,
_pos = def.position and table.copy(def.position) or vector.new(),
_properties = def.properties or { eye_height = def.eye_height or 1.47 },
_inventory = def.inventory,
_wield_index = def.wield_index or 1,
_wielded_item = wielded_item,
-- Model and view
_eye_offset1 = vector.new(),
_eye_offset3 = vector.new(),
set_eye_offset = function(self, first, third)
self._eye_offset1 = table.copy(first)
self._eye_offset3 = table.copy(third)
end,
get_eye_offset = function(self)
return self._eye_offset1, self._eye_offset3
end,
get_look_dir = delay(def.look_dir or {x=0, y=0, z=1}),
get_look_pitch = delay(def.look_pitch or 0),
get_look_yaw = delay(def.look_yaw or 0),
get_look_horizontal = delay(def.look_yaw or 0),
get_look_vertical = delay(-(def.look_pitch or 0)),
set_animation = delay(),
-- Controls
get_player_control = delay({
jump=false, right=false, left=false, LMB=false, RMB=false,
sneak=def.sneak, aux1=false, down=false, up=false
}),
get_player_control_bits = delay(def.sneak and 64 or 0),
-- Inventory and ItemStacks
get_inventory = delay(def.inventory),
set_wielded_item = function(self, item)
if self._inventory and def.wield_list then
return self._inventory:set_stack(def.wield_list,
self._wield_index, item)
end
self._wielded_item = ItemStack(item)
end,
get_wielded_item = function(self, item)
if self._inventory and def.wield_list then
return self._inventory:get_stack(def.wield_list,
self._wield_index)
end
return ItemStack(self._wielded_item)
end,
get_wield_list = delay(def.wield_list),
punch = delay(),
remove = delay(),
right_click = delay(),
set_attach = delay(),
set_detach = delay(),
set_bone_position = delay(),
hud_change = delay(),
}
-- Getter & setter functions
p.get_inventory_formspec, p.set_inventory_formspec
= get_set_wrap("formspec", is_dynamic)
p.get_breath, p.set_breath = get_set_wrap("breath", is_dynamic)
p.get_hp, p.set_hp = get_set_wrap("hp", is_dynamic)
p.get_pos, p.set_pos = get_set_wrap("pos", is_dynamic)
p.get_wield_index, p.set_wield_index = get_set_wrap("wield_index", true)
p.get_properties, p.set_properties = get_set_wrap("properties", false)
-- For players, move_to and get_pos do the same
p.move_to = p.get_pos
-- Backwards compatibilty
p.getpos = p.get_pos
p.setpos = p.set_pos
p.moveto = p.move_to
-- TODO "implement" all these
-- set_armor_groups
-- get_armor_groups
-- get_animation
-- get_bone_position
-- get_player_velocity
-- set_look_pitch
-- set_look_yaw
-- set_physics_override
-- get_physics_override
-- hud_add
-- hud_remove
-- hud_get
-- hud_set_flags
-- hud_get_flags
-- hud_set_hotbar_itemcount
-- hud_get_hotbar_itemcount
-- hud_set_hotbar_image
-- hud_get_hotbar_image
-- hud_set_hotbar_selected_image
-- hud_get_hotbar_selected_image
-- hud_replace_builtin
-- set_sky
-- get_sky
-- override_day_night_ratio
-- get_day_night_ratio
-- set_local_animation
return p
end