mirror of
https://gitlab.icynet.eu/evert/melterns.git
synced 2024-09-12 07:38:31 +02:00
285 lines
8.3 KiB
Lua
285 lines
8.3 KiB
Lua
-- Register tanks for each fluid
|
|
|
|
fluidity.bucket_cache = {}
|
|
fluidity.tanks = {}
|
|
|
|
-- Get fluid source block name for bucket item.
|
|
function fluidity.get_fluid_for_bucket(itemname)
|
|
for i,v in pairs(fluidity.bucket_cache) do
|
|
if v == itemname then
|
|
return i
|
|
end
|
|
end
|
|
end
|
|
|
|
-- Get bucket item name for fluid source block.
|
|
function fluidity.get_bucket_for_fluid(source)
|
|
return fluidity.bucket_cache[source]
|
|
end
|
|
|
|
-- Ensure that this fluid node exists.
|
|
function fluidity.get_fluid_node(name)
|
|
return minetest.registered_nodes[name]
|
|
end
|
|
|
|
-- Get a nodedef field.
|
|
local function get_nodedef_field(nodename, fieldname)
|
|
if not minetest.registered_nodes[nodename] then
|
|
return nil
|
|
end
|
|
return minetest.registered_nodes[nodename][fieldname]
|
|
end
|
|
|
|
-- Ensure that the node is a tank.
|
|
function fluidity.tanks.get_is_tank(node)
|
|
return minetest.get_item_group(node, "fluidity_tank") > 0
|
|
end
|
|
|
|
-- Ensure that the node is an empty tank.
|
|
function fluidity.tanks.get_is_empty_tank(node)
|
|
return minetest.get_item_group(node, "fluidity_tank_empty") > 0
|
|
end
|
|
|
|
-- Get tank data at position.
|
|
-- Returns fluid name, fluid level, capacity, base tank name and the mod it was added from.
|
|
-- Base tank name and mod name are used to construct different variants of this tank type.
|
|
function fluidity.tanks.get_tank_at(pos)
|
|
local meta = minetest.get_meta(pos)
|
|
local node = minetest.get_node(pos)
|
|
|
|
if not fluidity.tanks.get_is_tank(node.name) then return nil end
|
|
|
|
local ffluid = get_nodedef_field(node.name, "fluidity_fluid")
|
|
local fcapacity = get_nodedef_field(node.name, "_capacity")
|
|
local fbasetank = get_nodedef_field(node.name, "_dataname")
|
|
local fmod = get_nodedef_field(node.name, "_mod")
|
|
local fluidcount = meta:get_int("fluid")
|
|
|
|
return ffluid, fluidcount, fcapacity, fbasetank, fmod
|
|
end
|
|
|
|
-- Check to see if a fluid can go in the tank and pos.
|
|
function fluidity.tanks.can_fluid_go_in_tank(pos, fluid)
|
|
local fluid_name, count, capacity, base_tank, mod = fluidity.tanks.get_tank_at(pos)
|
|
if not fluid_name then return true end
|
|
if fluid_name ~= fluid then return false end
|
|
if count == capacity then return false end
|
|
|
|
local source_node = fluidity.get_fluid_node(fluid)
|
|
local fluid_desc = fluidity.fluid_name(source_node.description)
|
|
local shorthand_name = fluidity.fluid_short(fluid_desc)
|
|
|
|
if not minetest.registered_nodes[mod..":"..base_tank.."_"..shorthand_name] then return false end
|
|
|
|
return true
|
|
end
|
|
|
|
-- Fill the tank at pos with fluid.
|
|
-- Overfilling means it will return an integer as the second variable that shows the amount over the capacity.
|
|
function fluidity.tanks.fill_tank_at(pos, fluid, amount, overfill)
|
|
local fluid_name, count, capacity, base_tank, mod = fluidity.tanks.get_tank_at(pos)
|
|
if not fluid_name == fluid and fluid_name ~= nil then return nil end
|
|
local node = minetest.get_node(pos)
|
|
local meta = minetest.get_meta(pos)
|
|
local node_name = mod..":"..base_tank
|
|
|
|
local remainder = 0
|
|
if count + amount > capacity then
|
|
if overfill then
|
|
remainder = (count + amount) - capacity
|
|
count = capacity
|
|
else
|
|
return nil
|
|
end
|
|
else
|
|
count = count + amount
|
|
end
|
|
|
|
local source_node = fluidity.get_fluid_node(fluid)
|
|
local fluid_desc = fluidity.fluid_name(source_node.description)
|
|
local shorthand_name = fluidity.fluid_short(fluid_desc)
|
|
|
|
node_name = mod..":"..base_tank.."_"..shorthand_name
|
|
if not minetest.registered_nodes[node_name] then return nil end
|
|
|
|
meta:set_int("fluid", count)
|
|
meta:set_string("infotext", "Tank of "..fluid_desc.."("..count.."/"..capacity.." mB)")
|
|
|
|
local param2 = math.min((count/capacity)*63, 63)
|
|
|
|
minetest.swap_node(pos, {name=node_name,param1=node.param1,param2=param2})
|
|
|
|
return fluid, remainder
|
|
end
|
|
|
|
-- Take some fluid from the tank at pos.
|
|
-- Underfill returns an integer as the second variable indicating level below zero.
|
|
function fluidity.tanks.take_from_tank_at(pos, amount, underfill)
|
|
local fluid_name, count, capacity, base_tank, mod = fluidity.tanks.get_tank_at(pos)
|
|
if not fluid_name then return nil end
|
|
local node = minetest.get_node(pos)
|
|
local meta = minetest.get_meta(pos)
|
|
local node_name = mod..":"..base_tank
|
|
local fluid = fluid_name
|
|
|
|
local leftover = 0
|
|
if count - amount < 0 then
|
|
if underfill then
|
|
leftover = (count - amount) * -1
|
|
count = 0
|
|
else
|
|
return nil
|
|
end
|
|
else
|
|
count = count - amount
|
|
end
|
|
|
|
if count == 0 then
|
|
fluid = nil
|
|
end
|
|
|
|
meta:set_int("fluid", count)
|
|
|
|
if fluid then
|
|
local source_node = fluidity.get_fluid_node(fluid)
|
|
local fluid_desc = fluidity.fluid_name(source_node.description)
|
|
local shorthand_name = fluidity.fluid_short(fluid_desc)
|
|
|
|
node_name = mod..":"..base_tank.."_"..shorthand_name
|
|
|
|
meta:set_string("infotext", "Tank of "..fluid_desc.."("..count.."/"..capacity.." mB)")
|
|
else
|
|
meta:set_string("infotext", "Empty Tank")
|
|
end
|
|
|
|
local param2 = math.min((count/capacity)*63, 63)
|
|
|
|
minetest.swap_node(pos, {name=node_name,param1=node.param1,param2=param2})
|
|
|
|
return fluid_name, leftover
|
|
end
|
|
|
|
local function bucket_fill(pos, node, clicker, itemstack, pointed_thing)
|
|
local stackname = itemstack:get_name()
|
|
local stack = "bucket:bucket_empty"
|
|
|
|
if not stackname:find("bucket") then
|
|
return itemstack
|
|
end
|
|
|
|
if stackname == "bucket:bucket_empty" then
|
|
if fluidity.tanks.get_is_empty_tank(node.name) then
|
|
return itemstack
|
|
end
|
|
|
|
local fluid = fluidity.tanks.take_from_tank_at(pos, 1000)
|
|
if not fluid then
|
|
return itemstack
|
|
end
|
|
|
|
stack = fluidity.get_bucket_for_fluid(fluid)
|
|
else
|
|
local srcnode = fluidity.get_fluid_for_bucket(stackname)
|
|
|
|
if not fluidity.tanks.can_fluid_go_in_tank(pos, srcnode) then
|
|
return itemstack
|
|
end
|
|
|
|
local fluid = fluidity.tanks.fill_tank_at(pos, srcnode, 1000)
|
|
|
|
if fluid == nil then
|
|
return itemstack
|
|
end
|
|
end
|
|
|
|
return ItemStack(stack)
|
|
end
|
|
|
|
-- Register a tank for a specific fluid
|
|
local function register_tankfluid(data)
|
|
local source_node = fluidity.get_fluid_node(data.source_name)
|
|
local fluid = fluidity.fluid_name(source_node.description)
|
|
local internal = fluidity.fluid_short(fluid)
|
|
|
|
minetest.register_node(data.mod_name..":"..data.tank_name.."_"..internal, {
|
|
description = data.tank_description.." ("..fluid..")",
|
|
drawtype = "glasslike_framed",
|
|
paramtype = "light",
|
|
paramtype2 = "glasslikeliquidlevel",
|
|
drop = data.mod_name..":"..data.tank_name,
|
|
fluidity_fluid = data.source_name,
|
|
place_param2 = 0,
|
|
special_tiles = source_node.tiles,
|
|
is_ground_content = false,
|
|
sunlight_propagates = true,
|
|
on_rightclick = bucket_fill,
|
|
_mod = data.mod_name,
|
|
_dataname = data.tank_name,
|
|
_capacity = data.capacity,
|
|
groups = {cracky = 1, not_in_creative_inventory = 1, oddly_breakable_by_hand = 3, fluidity_tank = 1},
|
|
tiles = data.tiles
|
|
})
|
|
end
|
|
|
|
-- Register a new tank
|
|
function fluidity.tanks.register_fluid_tank(data)
|
|
local modname = data.mod_name or minetest.get_current_modname()
|
|
local tankname = data.tank_name or 'fluid_tank'
|
|
local tankdesc = data.tank_description or 'Fluid Tank'
|
|
local tiles = data.tiles or {"default_glass.png", "default_glass_detail.png"}
|
|
local capacity = data.capacity or 64000
|
|
|
|
minetest.register_node(modname..":"..tankname, {
|
|
description = tankdesc,
|
|
drawtype = "glasslike_framed",
|
|
paramtype = "light",
|
|
paramtype2 = "glasslikeliquidlevel",
|
|
is_ground_content = false,
|
|
sunlight_propagates = true,
|
|
fluidity_fluid = nil,
|
|
on_construct = function ( pos )
|
|
local meta = minetest.get_meta(pos)
|
|
meta:set_int("fluid", 0)
|
|
meta:set_string("infotext", "Empty "..tankdesc)
|
|
end,
|
|
on_rightclick = bucket_fill,
|
|
_mod = modname,
|
|
_dataname = tankname,
|
|
_capacity = capacity,
|
|
groups = {cracky = 1, oddly_breakable_by_hand = 3, fluidity_tank = 1, fluid_tank_empty = 1},
|
|
tiles = tiles
|
|
})
|
|
|
|
if data.fluids then
|
|
-- This tank only uses certain fluids
|
|
for _, v in pairs(data.fluids) do
|
|
register_tankfluid({
|
|
mod_name = modname,
|
|
tank_name = tankname,
|
|
tank_description = tankdesc,
|
|
tiles = tiles,
|
|
capacity = capacity,
|
|
source_name = v
|
|
})
|
|
end
|
|
else
|
|
-- Get all fluids and buckets and cache them
|
|
for i, v in pairs(bucket.liquids) do
|
|
if (i:find("source") ~= nil) then
|
|
-- Cache bucket
|
|
fluidity.bucket_cache[v["source"]] = v.itemname
|
|
|
|
-- Add tank
|
|
register_tankfluid({
|
|
mod_name = modname,
|
|
tank_name = tankname,
|
|
tank_description = tankdesc,
|
|
tiles = tiles,
|
|
capacity = capacity,
|
|
source_name = v["source"]
|
|
})
|
|
end
|
|
end
|
|
end
|
|
end
|