URL:
<http://gna.org/bugs/?23254>
Summary: civ2civ3 city vision increase from Electricity
doesn't affect existing cities
Project: Freeciv
Submitted by: jtn
Submitted on: Sun 08 Feb 2015 11:56:21 UTC
Category: None
Severity: 3 - Normal
Priority: 5 - Normal
Status: None
Assigned to: None
Originator Email:
Open/Closed: Open
Release:
Discussion Lock: Any
Operating System: Any
Planned Release: 2.5.0, 2.6.0, 3.0.0
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Details:
civ2civ3 has tech increasing city vision radius (Electricity). In quick
testing, only cities founded after discovering the tech benefit from the new
tech; old cities continue with old vision range, even after a turn change.
However, after a save/reload, all cities have the increased vision range.
Looks like city_refresh_vision() is the thing to call. It's claimed to be low
overhead.
Currently it's called when things happen to individual cities. I guess we
should also call it for all cities when a new tech is discovered, plus other
likely ruleset effects (new government?), plus a backup where we call it on
every city once a turn to catch other effects.
(Haven't thought about if this should go to S2_4. If it's a easy low-risk
backport, don't see why not.)
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