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document client side modchannels
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= Modchannels
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= Modchannels
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allows ssm(server side mods) comunication to csm(client side mods) and vice versa.
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allows server side mods(SSMs) comunication to client side mods(CSMs) and vice versa.
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== minetest.x api
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== Server Side API
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=== minetest.mod_channel_join(channel_name)
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=== Functions
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==== minetest.mod_channel_join(channel_name)
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* `channel_name`: string, modchannel name
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* `channel_name`: string, modchannel name
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* returns ref for use with <<methods>>
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* returns ref for use with <<Methods>>
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* creates channel if not existing and joins the server on that channel
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* creates channel if not existing and joins the server on that channel
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* listen for messages on this channel with `minetest.register_on_modchannel_message`
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* listen for messages on this channel with `minetest.register_on_modchannel_message`
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=== minetest.register_on_modchannel_message(function(channel_name, sender, message))
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==== minetest.register_on_modchannel_message(function(channel_name, sender, message))
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* `channel_name`: string, modchannel name (already joined)
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* `channel_name`: string, modchannel name (already joined)
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* `sender`: string, empty if from a ssm, player name if from a client
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* `sender`: string, empty if from a ssm, player name if from a client
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* `message`: string, message
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* `message`: string, message
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== methods
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=== Methods
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=== leave()
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==== leave()
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* server leaves the channel, no more messages from this channel on `minetest.register_on_modchannel_message`
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* server leaves the channel, no more messages from this channel on `minetest.register_on_modchannel_message`
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* set the ref to nil afterwords to free resources
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* set the ref to nil afterwords to free resources
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=== is_writeable()
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==== is_writeable()
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* returns boolean, true if the channel is writeable
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* returns boolean, true if the channel is writeable
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=== send_all(message)
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==== send_all(message)
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* `message`: string, limited to 65535 characters
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* sends to all ssm and csm on the channel
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* message will drop if channel is not writable or invalid
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== Client Side API
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=== Functions
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==== minetest.mod_channel_join(channel_name)
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* `channel_name`: string, modchannel name
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* returns ref for use with <<Methods>>
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* creates channel if not existing and joins the server on that channel
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* listen for messages on this channel with `minetest.register_on_modchannel_message`
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==== minetest.register_on_modchannel_message(function(channel_name, sender, message))
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* `channel_name`: string, modchannel name (already joined and recieved acknowledgement)
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* `sender`: string, empty if from a ssm, player name if from a client
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* `message`: string, message
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==== minetest.register_on_modchannel_signal(function(channel_name, signal))
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* `channel_name`: string, channel name that the signal has come in on
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* `signal`: integer, 0 - 5
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[start=0]
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. join_ok
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. join_failed
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. leave_ok
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. leave_failed
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. event_on_not_joined_channel
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. state_changed
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=== Methods
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==== leave()
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* server leaves the channel, no more messages from this channel on `minetest.register_on_modchannel_message`
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* set the ref to nil afterwords to free resources
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==== is_writeable()
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* returns boolean, true if the channel is writeable
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==== send_all(message)
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* `message`: string, limited to 65535 characters
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* `message`: string, limited to 65535 characters
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* sends to all ssm and csm on the channel
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* sends to all ssm and csm on the channel
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