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clarification

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Jeena Paradies 2011-05-06 13:35:00 +02:00
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report.lyx
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@ -4018,7 +4018,7 @@ The
\emph on \emph on
gen_fsm gen_fsm
\emph default \emph default
behaviour is used in one module in the GGS, the protocol parser. behaviour is used in the protocol parser module in the GGS.
Using the gen_fsm behaviour, finite state machines are easily developed. Using the gen_fsm behaviour, finite state machines are easily developed.
Protocol parsers are an ideal example of where to use finite state machines, Protocol parsers are an ideal example of where to use finite state machines,
which are widely used for parsing strings of text. which are widely used for parsing strings of text.
@ -4085,12 +4085,10 @@ A game launched on the GGS is run within a virtual machine.
\end_layout \end_layout
\begin_layout Standard \begin_layout Standard
The reason for the GGS requiring a communication channel between the game Callbacks written in Erlang are registered to the VM for the interface to
VM and Erlang is in part because the GGS makes heavy use of callbacks. work.
Callbacks written in Erlang are registered to the VM for the interface
to work.
It is only with the help of the interface that the game developer can access It is only with the help of the interface that the game developer can access
the game state and send messages between players. the game state and send messages to the clients.
The interface provides access to three objects called The interface provides access to three objects called
\emph on \emph on
world, players world, players
@ -4102,8 +4100,15 @@ localStorage
. .
The game state is safely stored in a database and retrieved for manipulation The game state is safely stored in a database and retrieved for manipulation
by a call for the world object. by a call for the world object.
Interaction with the players is done the same way using the player object Interaction with the players is done by using the
instead. \emph on
GGS.sendCommand(player_id, command, args)
\emph default
and
\emph on
GGS.
\emph default
sendCommandToAll(command, args).
The localStorage is a convenient way to store globals and other variables The localStorage is a convenient way to store globals and other variables
seperated from the game state. seperated from the game state.
Unique id:s called gametokens are generated for hosted games so that they Unique id:s called gametokens are generated for hosted games so that they