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Streamlined docking code

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Server and client now have more consistent responsibilities.
Ferry shuttles will always be forced undocked when moved, even if moved
by admin magic.
This commit is contained in:
mwerezak
2014-06-14 15:51:26 -04:00
parent e30ffebe49
commit d837e5d246
2 changed files with 41 additions and 35 deletions
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code/game/machinery/embedded_controller/docking_program.dm
+38 -22
View File
@@ -28,15 +28,22 @@
Docking
Client sends request_dock
When server is ready, sends confirm_dock
Client sends confirm_dock back
Server sends confirm_dock to say that yes, we will serve your request
When client is ready, sends confirm_dock
Server sends confirm_dock back to indicate that docking is complete
Undocking
Client sends request_undock
When server is ready, sends confirm_dock
Client sends confirm_dock back
When client is ready, sends confirm_undock
Server sends confirm_undock back to indicate that docking is complete
Note that in both cases each side exchanges confirm_dock before the docking operation is considered done.
The client first sends a confirm message to indicate it is ready, and then finally the server will send it's
confirm message to indicate that the operation is complete.
Note also that when docking, the server sends an additional confirm message. This is because before docking,
the server and client do not have a defined relationship. Before undocking, the server and client are already
related to each other, thus the extra confirm message is not needed.
*** Override, what is it? ***
@@ -75,13 +82,14 @@
dock_state = STATE_DOCKING
if (!override_enabled)
prepare_for_docking()
else if (control_mode == MODE_SERVER && dock_state == STATE_DOCKING && receive_tag == tag_target) //client just sent us the confirmation back, we're done with the docking process
else if (control_mode == MODE_CLIENT && dock_state == STATE_DOCKING && receive_tag == tag_target)
dock_state = STATE_DOCKED
if (!override_enabled)
finish_docking() //server done docking!
finish_docking() //client done docking!
response_sent = 0
else
send_docking_command(tag_target, "abort_dock") //not expecting confirmation for anything - tell the other guy.
else if (control_mode == MODE_SERVER && dock_state == STATE_DOCKING && receive_tag == tag_target) //client just sent us the confirmation back, we're done with the docking process
received_confirm = 1
if ("request_dock")
if (control_mode == MODE_NONE && dock_state == STATE_UNDOCKED)
@@ -90,14 +98,15 @@
tag_target = receive_tag
if (!override_enabled)
prepare_for_docking()
send_docking_command(tag_target, "confirm_dock") //acknowledge the request
if ("confirm_undock")
if (control_mode == MODE_CLIENT && dock_state == STATE_UNDOCKING && receive_tag == tag_target)
received_confirm = 1
else if (control_mode == MODE_SERVER && dock_state == STATE_UNDOCKING && receive_tag == tag_target)
if (!override_enabled)
finish_undocking()
reset() //server is done undocking!
reset() //client is done undocking!
else if (control_mode == MODE_SERVER && dock_state == STATE_UNDOCKING && receive_tag == tag_target)
received_confirm = 1
if ("request_undock")
if (control_mode == MODE_SERVER && dock_state == STATE_DOCKED && receive_tag == tag_target)
@@ -113,24 +122,31 @@
switch(dock_state)
if (STATE_DOCKING) //waiting for our docking port to be ready for docking
if (ready_for_docking())
if (!response_sent)
send_docking_command(tag_target, "confirm_dock") //tell the other guy we're ready
response_sent = 1
if (control_mode == MODE_CLIENT)
if (!response_sent)
send_docking_command(tag_target, "confirm_dock") //tell the server we're ready
response_sent = 1
if (control_mode == MODE_CLIENT) //client doesn't need to do anything further
else if (control_mode == MODE_SERVER && received_confirm)
send_docking_command(tag_target, "confirm_dock") //tell the client we are done docking.
dock_state = STATE_DOCKED
if (!override_enabled)
finish_docking() //client done docking!
finish_docking() //server done docking!
response_sent = 0
received_confirm = 0
if (STATE_UNDOCKING)
if (ready_for_undocking())
if (control_mode == MODE_CLIENT && received_confirm)
send_docking_command(tag_target, "confirm_undock") //tell the server we are done undocking.
if (control_mode == MODE_CLIENT)
if (!response_sent)
send_docking_command(tag_target, "confirm_undock") //tell the server we are OK to undock.
response_sent = 1
else if (control_mode == MODE_SERVER && received_confirm)
send_docking_command(tag_target, "confirm_undock") //tell the client we are done undocking.
if (!override_enabled)
finish_undocking()
reset() //client is done undocking!
else if (control_mode == MODE_SERVER)
send_docking_command(tag_target, "confirm_undock") //tell the client we are OK to undock.
reset() //server is done undocking!
@@ -203,7 +219,7 @@
received_confirm = 0
/datum/computer/file/embedded_program/docking/proc/force_undock()
world << "[id_tag]: forcing undock"
//world << "[id_tag]: forcing undock"
if (tag_target)
send_docking_command(tag_target, "dock_error")
reset()