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40 lines
1.1 KiB
Go
40 lines
1.1 KiB
Go
6 years ago
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package main
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type ConnectionState interface {
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// commands available while in this state
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CommandSuite
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// human-readable description of the state
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String() string
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// fills a status struct to be printed by the status command. The
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// ConnectionState only needs to fill in things that are unique to the
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// state itself, the common things on the connection are filled in
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// automatically
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FillStatus(*Connection, *status)
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// Triggered once when the state is entered
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Enter(c *Connection)
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// Triggered every frame in which the state is the connection's current
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// state. Returning a different ConnectionState transitions between states.
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Tick(c *Connection, frame int64) ConnectionState
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// Triggered once when this state has finished for that connection
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Exit(c *Connection)
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}
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// No-op enter struct, for composing connection states that have no interesitng
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// Enter mechanic.
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type NopEnter struct{}
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func (n NopEnter) Enter(c *Connection) {}
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// No-op exit struct, for composing connection states that have no interesting
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// Exit mechanic.
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type NopExit struct{}
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func (n NopExit) Exit(c *Connection) {}
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