New API for tanks
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@ -113,7 +113,7 @@ local function register_florbfluid(data)
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})
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end
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function fluidity.register_florb(data)
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function fluidity.florbs.register_florb(data)
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local mod_name = data.mod_name or minetest.get_current_modname()
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local florb_name = data.florb_name or 'florb'
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local florb_desc = data.florb_description or 'Florb'
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@ -8,15 +8,15 @@ for _,v in pairs(metals) do
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end
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-- Register tanks for all fluids
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fluidity.register_fluid_tank({
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fluidity.tanks.register_fluid_tank({
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tank_name = "fluid_tank",
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tank_description = "Fluid Tank",
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capacity = 64,
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capacity = 64000,
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tiles = {"default_glass.png", "default_glass_detail.png"}
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})
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-- Register florbs for all fluids
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fluidity.register_florb({
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fluidity.florbs.register_florb({
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florb_name = "florb",
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florb_description = "Florb",
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capacity = 1000,
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@ -1,8 +1,9 @@
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-- Register tanks for each fluid
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fluidity.bucket_cache = {}
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fluidity.tanks = {}
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-- Get fluid source block name for bucket item
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-- Get fluid source block name for bucket item.
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function fluidity.get_fluid_for_bucket(itemname)
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for i,v in pairs(fluidity.bucket_cache) do
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if v == itemname then
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@ -11,15 +12,17 @@ function fluidity.get_fluid_for_bucket(itemname)
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end
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end
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-- Get bucket item name for fluid source block
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-- Get bucket item name for fluid source block.
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function fluidity.get_bucket_for_fluid(source)
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return fluidity.bucket_cache[source]
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end
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-- Ensure that this fluid node exists.
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function fluidity.get_fluid_node(name)
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return minetest.registered_nodes[name]
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end
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-- Get a nodedef field.
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local function get_nodedef_field(nodename, fieldname)
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if not minetest.registered_nodes[nodename] then
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return nil
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@ -27,73 +30,168 @@ local function get_nodedef_field(nodename, fieldname)
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return minetest.registered_nodes[nodename][fieldname]
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end
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-- Ensure that the node is a tank.
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function fluidity.tanks.get_is_tank(node)
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return minetest.get_item_group(node, "fluidity_tank") > 0
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end
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-- Ensure that the node is an empty tank.
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function fluidity.tanks.get_is_empty_tank(node)
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return minetest.get_item_group(node, "fluidity_tank_empty") > 0
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end
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-- Get tank data at position.
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-- Returns fluid name, fluid level, capacity, base tank name and the mod it was added from.
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-- Base tank name and mod name are used to construct different variants of this tank type.
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function fluidity.tanks.get_tank_at(pos)
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local meta = minetest.get_meta(pos)
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local node = minetest.get_node(pos)
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if not fluidity.tanks.get_is_tank(node.name) then return nil end
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local ffluid = get_nodedef_field(node.name, "fluidity_fluid")
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local fcapacity = get_nodedef_field(node.name, "_capacity")
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local fbasetank = get_nodedef_field(node.name, "_dataname")
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local fmod = get_nodedef_field(node.name, "_mod")
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local fluidcount = meta:get_int("fluid")
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return ffluid, fluidcount, fcapacity, fbasetank, fmod
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end
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-- Check to see if a fluid can go in the tank and pos.
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function fluidity.tanks.can_fluid_go_in_tank(pos, fluid)
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local fluid_name, count, capacity, base_tank, mod = fluidity.tanks.get_tank_at(pos)
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if not fluid_name then return true end
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if fluid_name ~= fluid then return false end
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if count == capacity then return false end
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local source_node = fluidity.get_fluid_node(fluid)
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local fluid_desc = fluidity.fluid_name(source_node.description)
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local shorthand_name = fluidity.fluid_short(fluid_desc)
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if not minetest.registered_nodes[mod..":"..base_tank.."_"..shorthand_name] then return false end
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return true
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end
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-- Fill the tank at pos with fluid.
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-- Overfilling means it will return an integer as the second variable that shows the amount over the capacity.
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function fluidity.tanks.fill_tank_at(pos, fluid, amount, overfill)
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local fluid_name, count, capacity, base_tank, mod = fluidity.tanks.get_tank_at(pos)
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if not fluid_name == fluid and fluid_name ~= nil then return nil end
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local node = minetest.get_node(pos)
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local meta = minetest.get_meta(pos)
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local node_name = mod..":"..base_tank
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local remainder = 0
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if count + amount > capacity then
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if overfill then
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remainder = (count + amount) - capacity
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count = capacity
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else
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return nil
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end
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else
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count = count + amount
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end
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local source_node = fluidity.get_fluid_node(fluid)
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local fluid_desc = fluidity.fluid_name(source_node.description)
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local shorthand_name = fluidity.fluid_short(fluid_desc)
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node_name = mod..":"..base_tank.."_"..shorthand_name
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if not minetest.registered_nodes[node_name] then return nil end
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meta:set_int("fluid", count)
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meta:set_string("infotext", "Tank of "..fluid_desc.."("..count.."/"..capacity.." mB)")
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local param2 = math.min((count/capacity)*63, 63)
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minetest.swap_node(pos, {name=node_name,param1=node.param1,param2=param2})
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return fluid, remainder
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end
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-- Take some fluid from the tank at pos.
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-- Underfill returns an integer as the second variable indicating level below zero.
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function fluidity.tanks.take_from_tank_at(pos, amount, underfill)
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local fluid_name, count, capacity, base_tank, mod = fluidity.tanks.get_tank_at(pos)
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if not fluid_name then return nil end
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local node = minetest.get_node(pos)
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local meta = minetest.get_meta(pos)
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local node_name = mod..":"..base_tank
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local fluid = fluid_name
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local leftover = 0
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if count - amount < 0 then
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if underfill then
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leftover = (count - amount) * -1
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count = 0
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else
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return nil
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end
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else
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count = count - amount
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end
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if count == 0 then
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fluid = nil
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end
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meta:set_int("fluid", count)
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if fluid then
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local source_node = fluidity.get_fluid_node(fluid)
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local fluid_desc = fluidity.fluid_name(source_node.description)
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local shorthand_name = fluidity.fluid_short(fluid_desc)
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node_name = mod..":"..base_tank.."_"..shorthand_name
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meta:set_string("infotext", "Tank of "..fluid_desc.."("..count.."/"..capacity.." mB)")
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else
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meta:set_string("infotext", "Empty Tank")
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end
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local param2 = math.min((count/capacity)*63, 63)
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minetest.swap_node(pos, {name=node_name,param1=node.param1,param2=param2})
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return fluid_name, leftover
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end
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local function bucket_fill(pos, node, clicker, itemstack, pointed_thing)
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local stackname = itemstack:get_name()
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local nodename = node.name
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local stack = "bucket:bucket_empty"
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local meta = minetest.get_meta(pos)
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if not stackname:find("bucket") then
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return itemstack
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end
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local tankfluid = get_nodedef_field(node.name, "fluidity_fluid")
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local tankname = get_nodedef_field(node.name, "_dataname")
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local tankcap = get_nodedef_field(node.name, "_capacity")
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local tankmod = get_nodedef_field(node.name, "_mod")
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local fluidcount = meta:get_int("fluid")
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if stackname == "bucket:bucket_empty" then
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if tankfluid == nil then
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if fluidity.tanks.get_is_empty_tank(node.name) then
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return itemstack
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end
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fluidcount = fluidcount - 1
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stack = fluidity.get_bucket_for_fluid(tankfluid)
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if fluidcount == 0 then
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nodename = tankmod..":"..tankname
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tankfluid = nil
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local fluid = fluidity.tanks.take_from_tank_at(pos, 1000)
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if not fluid then
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return itemstack
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end
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stack = fluidity.get_bucket_for_fluid(fluid)
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else
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local srcnode = fluidity.get_fluid_for_bucket(stackname)
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if (tankfluid ~= srcnode and tankfluid ~= nil) or (fluidcount >= tankcap) then
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if not fluidity.tanks.can_fluid_go_in_tank(pos, srcnode) then
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return itemstack
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end
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if tankfluid == nil then
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local source_node = fluidity.get_fluid_node(srcnode)
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local fluid_name = fluidity.fluid_name(source_node.description)
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local shorthand_name = fluidity.fluid_short(fluid_name)
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local fluid = fluidity.tanks.fill_tank_at(pos, srcnode, 1000)
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nodename = tankmod..":"..tankname.."_"..shorthand_name
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if not minetest.registered_nodes[nodename] then
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if fluid == nil then
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return itemstack
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end
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tankfluid = srcnode
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end
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fluidcount = fluidcount + 1
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end
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meta:set_int("fluid", fluidcount)
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if tankfluid then
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local source_node = fluidity.get_fluid_node(tankfluid)
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local fluid_name = fluidity.fluid_name(source_node.description)
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meta:set_string("infotext", "Tank of "..fluid_name.."("..fluidcount.."/"..tankcap..")")
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else
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meta:set_string("infotext", "Empty Tank")
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end
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local param2 = (fluidcount/tankcap)*63
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minetest.swap_node(pos, {name=nodename,param1=node.param1,param2=param2})
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return ItemStack(stack)
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end
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@ -124,12 +222,12 @@ local function register_tankfluid(data)
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end
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-- Register a new tank
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function fluidity.register_fluid_tank(data)
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function fluidity.tanks.register_fluid_tank(data)
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local modname = data.mod_name or minetest.get_current_modname()
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local tankname = data.tank_name or 'fluid_tank'
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local tankdesc = data.tank_description or 'Fluid Tank'
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local tiles = data.tiles or {"default_glass.png", "default_glass_detail.png"}
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local capacity = data.capacity or 64
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local capacity = data.capacity or 64000
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minetest.register_node(modname..":"..tankname, {
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description = tankdesc,
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@ -148,7 +246,7 @@ function fluidity.register_fluid_tank(data)
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_mod = modname,
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_dataname = tankname,
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_capacity = capacity,
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groups = {cracky = 1, oddly_breakable_by_hand = 3, fluidity_tank = 1},
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groups = {cracky = 1, oddly_breakable_by_hand = 3, fluidity_tank = 1, fluid_tank_empty = 1},
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tiles = tiles
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})
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@ -66,11 +66,11 @@ minetest.register_node('metal_melter:casting_table', {
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})
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fluidity.register_fluid_tank({
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fluidity.tanks.register_fluid_tank({
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mod_name = "metal_melter",
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tank_name = "heated_tank",
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tank_description = "Heated Tank",
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capacity = 8,
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capacity = 8000,
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tiles = {"default_glass.png", "default_glass_detail.png"},
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fluids = {"default:lava_source"}
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})
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