URL:
<http://gna.org/bugs/?23600>
Summary: sighted events still unsafe (can cause OOS)
Project: Battle for Wesnoth
Submitted by: None
Submitted on: Di 19 Mai 2015 00:16:57 UTC
Category: Bug
Severity: 3 - Normal
Priority: 5 - Normal
Item Group: WML
Status: None
Privacy: Public
Assigned to: None
Originator Email:
Open/Closed: Open
Discussion Lock: Any
Release: 1.13.0, 1.12.x
Operating System: all
_______________________________________________________
Details:
assume this situation:
Player1 has 2 units U1 (on 10,1) and U2 on (2,2), Player2 has a unit U3 (on
10,10). It is Player1s turn. Player1 has DSU (= Delayed Shroud Updates)
activated. Player1 can not see unit U3. There is an event like this:
[event]
name = "sighted"
[filter_condition]
[not]
[have_unit]
x,y = 1,1
[/have_unit]
[/not]
[/filter_condition]
[filter]
side = 2
[/filter]
[message]
speaker = "narrator"
message = "message1"
[/message]
[/event]
Now Player1 does the following:
1) He moves U1 to (10,6) so that U1 would see U3 if DSU were not activated.
2) He moves U2 to (1,1) which would not reveal any shroud/fog event if DSU
were not activated.
3) He presses update shroud. U3 becomes visible and the event does not fire
because there is a unit on (1,1) so no message is displayed.
4) He undoes the move of U2 which is possible because this move did not
discover anything and did not fire any events.
But in the replay the move from U2 did not happen (it was undone) so the event
fires and message is displayed. In this case were it is just a message it
surely isn’t important but you can easily replace the [message] with
something different which would then cause a real OOS.
Here a test scenario to cause this OOS, in order to test this bug you must
activate DSU before doing any moves:
[scenario]
id= "01_DSU_OOS_TEST"
next_scenario = 01_DSU_OOS_TEST
name= _ "SP DSU OOS Test"
description= _ "This secnario is for testing oos errors"
map_data = "
Gg, Gg, Gg, Gg, Gg, Gg, Gg, Gg, Gg, Gg, Gg, Gg
Gg, Gg, Gg, Gg, Gg, Gg, Gg, Gg, Gg, Gg, Gg, Gg
Gg, Gg, Gg, Gg, Gg, Gg, Gg, Gg, Gg, Gg, Gg, Gg
Gg, Gg, Gg, Gg, Gg, Gg, Gg, Gg, Gg, Gg, Gg, Gg
Gg, Gg, Gg, Gg, Gg, Gg, Gg, Gg, Gg, Gg, Gg, Gg
Gg, Gg, Gg, Gg, Gg, Gg, Gg, Gg, Gg, Gg, Gg, Gg
Gg, Gg, Gg, Gg, Gg, Gg, Gg, Gg, Gg, Gg, Gg, Gg
Gg, Gg, Gg, Gg, Gg, Gg, Gg, Gg, Gg, Gg, Gg, Gg
Gg, Gg, Gg, Gg, Gg, Gg, Gg, Gg, Gg, Gg, Gg, Gg
Gg, Gg, Gg, Gg, Gg, Gg, Gg, Gg, Gg, Gg, Gg, Gg
Gg, Gg, Gg, Gg, Gg, Gg, Gg, Gg, Gg, Gg, Gg, Gg
Gg, Gg, Gg, Gg, Gg, Gg, Gg, Gg, Gg, Gg, Gg, Gg
"
{DEFAULT_SCHEDULE}
[side]
defeat_condition = "never"
side = 1
controller = "human"
no_leader = yes
shroud = yes
fog = yes
[unit]
type = "Elvish Archer"
x,y = 10,1
[/unit]
[unit]
type = "Elvish Archer"
x,y = 2,2
[/unit]
[/side]
[side]
no_leader = yes
defeat_condition = "never"
side = 2
controller = "human"
shroud = yes
fog = yes
[unit]
type = "Elvish Archer"
x,y = 10,10
[/unit]
[/side]
[event]
name = "sighted"
[filter]
side = 2
[/filter]
[filter_condition]
[not]
[have_unit]
x,y = 1,1
[/have_unit]
[/not]
[/filter_condition]
[message]
speaker = "narrator"
message = "message1"
[/message]
[/event]
[/scenario]
_______________________________________________________
Reply to this item at:
<http://gna.org/bugs/?23600>
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