capturetheflag/mods/mtg/default/functions.lua

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--
-- Sounds
--
function default.node_sound_defaults(table)
table = table or {}
table.footstep = table.footstep or
{name = "", gain = 1.0}
table.dug = table.dug or
{name = "default_dug_node", gain = 0.25}
table.place = table.place or
{name = "default_place_node_hard", gain = 1.0}
return table
end
function default.node_sound_stone_defaults(table)
table = table or {}
table.footstep = table.footstep or
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{name = "default_hard_footstep", gain = 0.3}
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table.dug = table.dug or
{name = "default_hard_footstep", gain = 1.0}
default.node_sound_defaults(table)
return table
end
function default.node_sound_dirt_defaults(table)
table = table or {}
table.footstep = table.footstep or
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{name = "default_dirt_footstep", gain = 0.4}
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table.dug = table.dug or
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{name = "default_dirt_footstep", gain = 1.0}
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table.place = table.place or
{name = "default_place_node", gain = 1.0}
default.node_sound_defaults(table)
return table
end
function default.node_sound_sand_defaults(table)
table = table or {}
table.footstep = table.footstep or
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{name = "default_sand_footstep", gain = 0.12}
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table.dug = table.dug or
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{name = "default_sand_footstep", gain = 0.24}
table.place = table.place or
{name = "default_place_node", gain = 1.0}
default.node_sound_defaults(table)
return table
end
function default.node_sound_gravel_defaults(table)
table = table or {}
table.footstep = table.footstep or
{name = "default_gravel_footstep", gain = 0.4}
table.dug = table.dug or
{name = "default_gravel_footstep", gain = 1.0}
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table.place = table.place or
{name = "default_place_node", gain = 1.0}
default.node_sound_defaults(table)
return table
end
function default.node_sound_wood_defaults(table)
table = table or {}
table.footstep = table.footstep or
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{name = "default_wood_footstep", gain = 0.3}
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table.dug = table.dug or
{name = "default_wood_footstep", gain = 1.0}
default.node_sound_defaults(table)
return table
end
function default.node_sound_leaves_defaults(table)
table = table or {}
table.footstep = table.footstep or
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{name = "default_grass_footstep", gain = 0.45}
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table.dug = table.dug or
{name = "default_grass_footstep", gain = 0.7}
table.place = table.place or
{name = "default_place_node", gain = 1.0}
default.node_sound_defaults(table)
return table
end
function default.node_sound_glass_defaults(table)
table = table or {}
table.footstep = table.footstep or
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{name = "default_glass_footstep", gain = 0.3}
table.dig = table.dig or
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{name = "default_glass_footstep", gain = 0.5}
table.dug = table.dug or
{name = "default_break_glass", gain = 1.0}
default.node_sound_defaults(table)
return table
end
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function default.node_sound_metal_defaults(table)
table = table or {}
table.footstep = table.footstep or
{name = "default_metal_footstep", gain = 0.4}
table.dig = table.dig or
{name = "default_dig_metal", gain = 0.5}
table.dug = table.dug or
{name = "default_dug_metal", gain = 0.5}
table.place = table.place or
{name = "default_place_node_metal", gain = 0.5}
default.node_sound_defaults(table)
return table
end
function default.node_sound_water_defaults(table)
table = table or {}
table.footstep = table.footstep or
{name = "default_water_footstep", gain = 0.2}
default.node_sound_defaults(table)
return table
end
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function default.node_sound_snow_defaults(table)
table = table or {}
table.footstep = table.footstep or
{name = "default_snow_footstep", gain = 0.2}
table.dig = table.dig or
{name = "default_snow_footstep", gain = 0.3}
table.dug = table.dug or
{name = "default_snow_footstep", gain = 0.3}
table.place = table.place or
{name = "default_place_node", gain = 1.0}
default.node_sound_defaults(table)
return table
end
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--
-- Lavacooling
--
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default.cool_lava = function(pos, node)
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if node.name == "default:lava_source" then
minetest.set_node(pos, {name = "default:obsidian"})
else -- Lava flowing
minetest.set_node(pos, {name = "default:stone"})
end
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minetest.sound_play("default_cool_lava",
{pos = pos, max_hear_distance = 16, gain = 0.25})
end
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--
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-- Optimized helper to put all items in an inventory into a drops list
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--
function default.get_inventory_drops(pos, inventory, drops)
local inv = minetest.get_meta(pos):get_inventory()
local n = #drops
for i = 1, inv:get_size(inventory) do
local stack = inv:get_stack(inventory, i)
if stack:get_count() > 0 then
drops[n+1] = stack:to_table()
n = n + 1
end
end
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end
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--
-- Papyrus and cactus growing
--
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-- Wrapping the functions in ABM action is necessary to make overriding them possible
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function default.grow_cactus(pos, node)
if node.param2 >= 4 then
return
end
pos.y = pos.y - 1
if minetest.get_item_group(minetest.get_node(pos).name, "sand") == 0 then
return
end
pos.y = pos.y + 1
local height = 0
while node.name == "default:cactus" and height < 4 do
height = height + 1
pos.y = pos.y + 1
node = minetest.get_node(pos)
end
if height == 4 or node.name ~= "air" then
return
end
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if minetest.get_node_light(pos) < 13 then
return
end
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minetest.set_node(pos, {name = "default:cactus"})
return true
end
function default.grow_papyrus(pos, node)
pos.y = pos.y - 1
local name = minetest.get_node(pos).name
if name ~= "default:dirt_with_grass" and name ~= "default:dirt" then
return
end
if not minetest.find_node_near(pos, 3, {"group:water"}) then
return
end
pos.y = pos.y + 1
local height = 0
while node.name == "default:papyrus" and height < 4 do
height = height + 1
pos.y = pos.y + 1
node = minetest.get_node(pos)
end
if height == 4 or node.name ~= "air" then
return
end
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if minetest.get_node_light(pos) < 13 then
return
end
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minetest.set_node(pos, {name = "default:papyrus"})
return true
end
--
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-- Dig upwards
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--
function default.dig_up(pos, node, digger)
if digger == nil then return end
local np = {x = pos.x, y = pos.y + 1, z = pos.z}
local nn = minetest.get_node(np)
if nn.name == node.name then
minetest.node_dig(np, nn, digger)
end
end
--
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-- Fence registration helper
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--
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function default.register_fence(name, def)
minetest.register_craft({
output = name .. " 4",
recipe = {
{ def.material, 'group:stick', def.material },
{ def.material, 'group:stick', def.material },
}
})
local fence_texture = "default_fence_overlay.png^" .. def.texture ..
"^default_fence_overlay.png^[makealpha:255,126,126"
-- Allow almost everything to be overridden
local default_fields = {
paramtype = "light",
drawtype = "nodebox",
node_box = {
type = "connected",
fixed = {{-1/8, -1/2, -1/8, 1/8, 1/2, 1/8}},
-- connect_top =
-- connect_bottom =
connect_front = {{-1/16,3/16,-1/2,1/16,5/16,-1/8},
{-1/16,-5/16,-1/2,1/16,-3/16,-1/8}},
connect_left = {{-1/2,3/16,-1/16,-1/8,5/16,1/16},
{-1/2,-5/16,-1/16,-1/8,-3/16,1/16}},
connect_back = {{-1/16,3/16,1/8,1/16,5/16,1/2},
{-1/16,-5/16,1/8,1/16,-3/16,1/2}},
connect_right = {{1/8,3/16,-1/16,1/2,5/16,1/16},
{1/8,-5/16,-1/16,1/2,-3/16,1/16}},
},
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connects_to = {"group:fence", "group:wood", "group:tree", "group:wall"},
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inventory_image = fence_texture,
wield_image = fence_texture,
tiles = {def.texture},
sunlight_propagates = true,
is_ground_content = false,
groups = {},
}
for k, v in pairs(default_fields) do
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if def[k] == nil then
def[k] = v
end
end
-- Always add to the fence group, even if no group provided
def.groups.fence = 1
def.texture = nil
def.material = nil
minetest.register_node(name, def)
end
--
-- Fence rail registration helper
--
function default.register_fence_rail(name, def)
minetest.register_craft({
output = name .. " 16",
recipe = {
{ def.material, def.material },
{ "", ""},
{ def.material, def.material },
}
})
local fence_rail_texture = "default_fence_rail_overlay.png^" .. def.texture ..
"^default_fence_rail_overlay.png^[makealpha:255,126,126"
-- Allow almost everything to be overridden
local default_fields = {
paramtype = "light",
drawtype = "nodebox",
node_box = {
type = "connected",
fixed = {
{-1/16, 3/16, -1/16, 1/16, 5/16, 1/16},
{-1/16, -3/16, -1/16, 1/16, -5/16, 1/16}
},
-- connect_top =
-- connect_bottom =
connect_front = {
{-1/16, 3/16, -1/2, 1/16, 5/16, -1/16},
{-1/16, -5/16, -1/2, 1/16, -3/16, -1/16}},
connect_left = {
{-1/2, 3/16, -1/16, -1/16, 5/16, 1/16},
{-1/2, -5/16, -1/16, -1/16, -3/16, 1/16}},
connect_back = {
{-1/16, 3/16, 1/16, 1/16, 5/16, 1/2},
{-1/16, -5/16, 1/16, 1/16, -3/16, 1/2}},
connect_right = {
{1/16, 3/16, -1/16, 1/2, 5/16, 1/16},
{1/16, -5/16, -1/16, 1/2, -3/16, 1/16}},
},
connects_to = {"group:fence", "group:wall"},
inventory_image = fence_rail_texture,
wield_image = fence_rail_texture,
tiles = {def.texture},
sunlight_propagates = true,
is_ground_content = false,
groups = {},
}
for k, v in pairs(default_fields) do
if def[k] == nil then
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def[k] = v
end
end
-- Always add to the fence group, even if no group provided
def.groups.fence = 1
def.texture = nil
def.material = nil
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minetest.register_node(name, def)
end
--
-- Leafdecay
--
-- Prevent decay of placed leaves
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default.after_place_leaves = function(pos, placer, itemstack, pointed_thing)
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if placer and placer:is_player() and not placer:get_player_control().sneak then
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local node = minetest.get_node(pos)
node.param2 = 1
minetest.set_node(pos, node)
end
end
-- Leafdecay
local function leafdecay_after_destruct(pos, oldnode, def)
for _, v in pairs(minetest.find_nodes_in_area(vector.subtract(pos, def.radius),
vector.add(pos, def.radius), def.leaves)) do
local node = minetest.get_node(v)
local timer = minetest.get_node_timer(v)
if node.param2 == 0 and not timer:is_started() then
timer:start(math.random(20, 120) / 10)
end
end
end
local function leafdecay_on_timer(pos, def)
if minetest.find_node_near(pos, def.radius, def.trunks) then
return false
end
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local node = minetest.get_node(pos)
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local drops = minetest.get_node_drops(node.name)
for _, item in ipairs(drops) do
local is_leaf
for _, v in pairs(def.leaves) do
if v == item then
is_leaf = true
end
end
if minetest.get_item_group(item, "leafdecay_drop") ~= 0 or
not is_leaf then
minetest.add_item({
x = pos.x - 0.5 + math.random(),
y = pos.y - 0.5 + math.random(),
z = pos.z - 0.5 + math.random(),
}, item)
end
end
minetest.remove_node(pos)
minetest.check_for_falling(pos)
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end
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function default.register_leafdecay(def)
assert(def.leaves)
assert(def.trunks)
assert(def.radius)
for _, v in pairs(def.trunks) do
minetest.override_item(v, {
after_destruct = function(pos, oldnode)
leafdecay_after_destruct(pos, oldnode, def)
end,
})
end
for _, v in pairs(def.leaves) do
minetest.override_item(v, {
on_timer = function(pos)
leafdecay_on_timer(pos, def)
end,
})
end
end
--
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-- NOTICE: This method is not an official part of the API yet.
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-- This method may change in future.
--
function default.can_interact_with_node(player, pos)
if player then
if minetest.check_player_privs(player, "protection_bypass") then
return true
end
else
return false
end
local meta = minetest.get_meta(pos)
local owner = meta:get_string("owner")
if not owner or owner == "" or owner == player:get_player_name() then
return true
end
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-- Is player wielding the right key?
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local item = player:get_wielded_item()
if item:get_name() == "default:key" then
local key_meta = item:get_meta()
if key_meta:get_string("secret") == "" then
local key_oldmeta = item:get_metadata()
if key_oldmeta == "" or not minetest.parse_json(key_oldmeta) then
return false
end
key_meta:set_string("secret", minetest.parse_json(key_oldmeta).secret)
item:set_metadata("")
end
return meta:get_string("key_lock_secret") == key_meta:get_string("secret")
end
return false
end