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Remove this useless file
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-- Fluid buffer support functions.
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local function node_data(pos)
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local node = minetest.get_node(pos)
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local nodedef = minetest.registered_nodes[node.name]
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return node, nodedef
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end
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function elefluid.get_node_buffers(pos)
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local node, nodedef = node_data(pos)
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if not nodedef['fluid_buffers'] then
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return nil
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end
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return nodedef['fluid_buffers']
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end
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function elefluid.get_buffer_data(pos, buffer)
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local node, nodedef = node_data(pos)
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local buffers = elefluid.get_node_buffers(pos)
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if not buffers[buffer] then
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return nil
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end
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local meta = minetest.get_meta(pos)
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local fluid = meta:get_string(buffer .. "_fluid")
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local amount = meta:get_int(buffer .. "_fluid_storage")
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local capacity = buffers[buffer].capacity
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local accepts = buffers[buffer].accepts
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local drainable = buffers[buffer].drainable
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if drainable == nil then
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drainable = true
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end
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return {
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fluid = fluid,
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amount = amount,
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accepts = accepts,
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capacity = capacity,
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drainable = drainable,
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}
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end
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function elefluid.buffer_accepts_fluid(pos, buffer, fluid)
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local bfdata = elefluid.get_buffer_data(pos, buffer)
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if not bfdata then return false end
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if bfdata.fluid ~= "" and bfdata.fluid ~= fluid then
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return false
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end
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if bfdata.accepts == true or bfdata.accepts == fluid then
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return true
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end
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if type(bfdata.accepts) ~= "table" then
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bfdata.accepts = { bfdata.accepts }
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end
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for _,pf in pairs(bfdata.accepts) do
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if pf == fluid then
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return true
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elseif pf:match("^group") and ele.helpers.get_item_group(fluid, pf:gsub("group:", "")) then
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return true
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end
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end
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return false
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end
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function elefluid.can_insert_into_buffer(pos, buffer, fluid, count)
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local bfdata = elefluid.get_buffer_data(pos, buffer)
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if not bfdata then return 0 end
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if not elefluid.buffer_accepts_fluid(pos, buffer, fluid) then return 0 end
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local can_put = 0
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if bfdata.amount + count > bfdata.capacity then
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can_put = bfdata.capacity - bfdata.amount
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else
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can_put = count
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end
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return can_put
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end
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function elefluid.insert_into_buffer(pos, buffer, fluid, count)
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local bfdata = elefluid.get_buffer_data(pos, buffer)
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if not bfdata then return nil end
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if bfdata.fluid ~= fluid and bfdata.fluid ~= "" then return nil end
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local can_put = elefluid.can_insert_into_buffer(pos, buffer, fluid, count)
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if can_put == 0 then return count end
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local meta = minetest.get_meta(pos)
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meta:set_int(buffer .. "_fluid_storage", bfdata.amount + can_put)
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meta:set_string(buffer .. "_fluid", fluid)
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return 0
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end
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function elefluid.can_take_from_buffer(pos, buffer, count)
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local bfdata = elefluid.get_buffer_data(pos, buffer)
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if not bfdata or not bfdata.drainable then return 0 end
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local amount = bfdata.amount
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local take_count = 0
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if amount < count then
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take_count = amount
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else
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take_count = count
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end
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return take_count
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end
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function elefluid.take_from_buffer(pos, buffer, count)
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local bfdata = elefluid.get_buffer_data(pos, buffer)
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if not bfdata then return nil end
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local fluid = bfdata.fluid
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local amount = bfdata.amount
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local take_count = elefluid.can_take_from_buffer(pos, buffer, count)
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local new_storage = amount - take_count
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if new_storage == 0 then
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fluid = ""
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end
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local meta = minetest.get_meta(pos)
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meta:set_int(buffer .. "_fluid_storage", new_storage)
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meta:set_string(buffer .. "_fluid", fluid)
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return bfdata.fluid, take_count
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end
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function elefluid.buffer_to_string(buffer)
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if not buffer then return "" end
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local amount = elefluid.comma_value(buffer.amount)
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local capacity = elefluid.comma_value(buffer.capacity)
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local description = "Empty"
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if buffer.fluid ~= "" then
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description = elefluid.cleanse_node_description(buffer.fluid)
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end
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return ("%s (%s / %s %s)"):format(description, amount, capacity, elefluid.unit)
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end
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