2021-08-01 12:00:22 +03:00
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# Networks [networks]
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A library to build and manage networks based on tubelib2 tubes, pipes, or cables.
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### Power Networks
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Power networks consists of following node types:
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- Generators, nodes providing power
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- Consumers, nodes consuming power
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- Storage nodes, nodes storing power
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- Cables, to build power connections
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- Junctions, to connect point to point connection to networks
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- Switches, to turn on/off network segments
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All storage nodes in a network form a storage system. Storage systems are
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required as buffers. Generators "charge" the storage system, consumers
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"discharge" the storage system.
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Charging the storage system follows a degressive/adaptive charging curve.
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When the storage system e.g. is 80% full, the charging load is continuously reduced.
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This ensures that all generators are loaded in a balanced manner.
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Cables, junctions, and switches can be hidden under blocks (plastering)
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and opened again with a tool.
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This makes power installations in buildings more realistic.
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The mod uses a whitelist for filling material. The function
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`networks.register_filling_items` is used to register node names.
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### Liquid Networks
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Liquid networks consists of following node types:
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- Pumps, nodes pumping liquids from/to tanks
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- Tanks, storuing liquids
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- Junctions, to connect pipes to networks
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- Valves, to turn on/off pipe segments
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### Control
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In addition to any network the 'control' API can be used to send commands
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or request data from nodes, specified via 'node_type'.
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### Test Nodes
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The file `./test/test_power.lua` contains test nodes of each kind of power nodes.
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It can be used to play with the features and to study the use of `networks`.
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- [G] a generator, which provides 20 units of power every 2 s
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- [C] a consumer, which need 5 units of power every 2 s
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- [S] a storage with 500 units capacity
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All three nodes can be turned on/off by right-clicking.
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- cable node for power transportation
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- junction node for power distribution
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- a power switch to turn on/off consumers
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- a tool to hide/open cables and junctions
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The file `./test/test_liquid.lua` contains test nodes of each kind of liquid nodes.
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- [P] a pump which pumps 2 items every 2 s
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- [T] tree types of tanks (empty, milk, water)
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- junction node
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- a value to connect/disconnect pipes
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The file `./test/test_control.lua` contains server [S] and client [C] nodes
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to demonstrate simple on/off commands.
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All this testing nodes can be enabled via mod settings `networks_test_enabled = true` in `minetest.conf`
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### License
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Copyright (C) 2021 Joachim Stolberg
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Code: Licensed under the GNU AGPL version 3 or later. See LICENSE.txt
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Textures: CC BY-SA 3.0
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### Dependencies
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Required: tubelib2
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### History
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**2021-05-23 V0.01**
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- First shot
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**2021-05-24 V0.02**
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- Add switch
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- Add tool and hide/open feature
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- bug fixes and improvements
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**2021-05-25 V0.03**
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- Add function `networks.get_power_data`
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- bug fixes and improvements
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**2021-05-29 V0.04**
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- bug fixes and improvements
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**2021-05-30 V0.05**
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- Change power API
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**2021-06-03 V0.06**
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- Add 'liquid'
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- bug fixes and improvements
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**2021-06-04 V0.07**
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- Add 'control' API
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**2021-07-06 V0.08**
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- Add 'transfer' functions to the 'power' API
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**2021-07-23 V0.09**
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- bug fixes and improvements
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2021-09-18 14:12:27 +03:00
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**2021-09-18 V0.10**
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- Add support for colored cables (PR #1 by Thomas--S)
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2022-01-28 20:22:52 +03:00
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**2022-01-06 V0.11**
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- Support for junction rotation added
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