melterns/fluidity/tanks.lua

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2018-04-02 12:39:41 +02:00
-- Register tanks for each fluid
fluidity.bucket_cache = {}
-- 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
function fluidity.get_fluid_node(name)
return minetest.registered_nodes[name]
end
local function get_nodedef_field(nodename, fieldname)
if not minetest.registered_nodes[nodename] then
return nil
end
return minetest.registered_nodes[nodename][fieldname]
end
local function bucket_fill(pos, node, clicker, itemstack, pointed_thing)
local stackname = itemstack:get_name()
local nodename = node.name
local stack = "bucket:bucket_empty"
local meta = minetest.get_meta(pos)
if not stackname:find("bucket") then
return itemstack
end
local tankfluid = get_nodedef_field(node.name, "fluidity_fluid")
local tankname = get_nodedef_field(node.name, "_dataname")
local tankcap = get_nodedef_field(node.name, "_capacity")
local tankmod = get_nodedef_field(node.name, "_mod")
local fluidcount = meta:get_int("fluid")
if stackname == "bucket:bucket_empty" then
if tankfluid == nil then
return itemstack
end
fluidcount = fluidcount - 1
stack = fluidity.get_bucket_for_fluid(tankfluid)
if fluidcount == 0 then
nodename = tankmod..":"..tankname
tankfluid = nil
end
else
local srcnode = fluidity.get_fluid_for_bucket(stackname)
if (tankfluid ~= srcnode and tankfluid ~= nil) or (fluidcount >= tankcap) then
return itemstack
end
if tankfluid == nil then
local source_node = fluidity.get_fluid_node(srcnode)
local fluid_name = fluidity.fluid_name(source_node.description)
local shorthand_name = fluidity.fluid_short(fluid_name)
nodename = tankmod..":"..tankname.."_"..shorthand_name
if not minetest.registered_nodes[nodename] then
return itemstack
end
tankfluid = srcnode
end
fluidcount = fluidcount + 1
end
meta:set_int("fluid", fluidcount)
if tankfluid then
local source_node = fluidity.get_fluid_node(tankfluid)
local fluid_name = fluidity.fluid_name(source_node.description)
meta:set_string("infotext", "Tank of "..fluid_name.."("..fluidcount.."/"..tankcap..")")
else
meta:set_string("infotext", "Empty Tank")
end
local param2 = (fluidcount/tankcap)*63
minetest.swap_node(pos, {name=nodename,param1=node.param1,param2=param2})
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.register_fluid_tank(data)
local modname = data.mod_name or minetest.get_current_modname()
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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 64
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},
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