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52b78f92cd
References are now written using normal links: You now use [`print`] or
[print a string][`print`]) instead of @{print} or @{print|print a
string}.
35 lines
1.2 KiB
Markdown
35 lines
1.2 KiB
Markdown
---
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module: [kind=event] modem_message
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---
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<!--
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SPDX-FileCopyrightText: 2021 The CC: Tweaked Developers
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SPDX-License-Identifier: MPL-2.0
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-->
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The [`modem_message`] event is fired when a message is received on an open channel on any [`modem`].
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## Return Values
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1. [`string`]: The event name.
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2. [`string`]: The side of the modem that received the message.
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3. [`number`]: The channel that the message was sent on.
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4. [`number`]: The reply channel set by the sender.
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5. [`any`]: The message as sent by the sender.
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6. <span class="type">[`number`]|[`nil`]</span>: The distance between the sender and the receiver in blocks, or [`nil`] if the message was sent between dimensions.
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## Example
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Wraps a [`modem`] peripheral, opens channel 0 for listening, and prints all received messages.
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```lua
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local modem = peripheral.find("modem") or error("No modem attached", 0)
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modem.open(0)
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while true do
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local event, side, channel, replyChannel, message, distance = os.pullEvent("modem_message")
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print(("Message received on side %s on channel %d (reply to %d) from %f blocks away with message %s"):format(
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side, channel, replyChannel, distance, tostring(message)
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))
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end
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```
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