Groundwar: attack every building behavior problems

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In a recent issue (Issue #514) it was requested that AI should attack not just 
vehicles and defenses, but to "spend" time on regular buildings so the defender 
can reach them.

Since the player would probably not target all buildings in his path if he/she 
aims for capturing a mostly intact planet, this new behavior seems to be 
problematic: usually, the player needs to wait until a few remaining units make 
through the city to the last defensive building where they get destroyed. 
Demolishing remaining defenses is an option which yields a battle over 
situation, but only in clearly lost battles.

If the power dependent defenses is introduced, this may lead to further 
complication: a single power plant destroyed can cripple the defenses but if 
the AI destroys regular energy-drain sources, it just makes things harder for 
themselves.

The resolution could be the following behavior:

- Damage power plants up to 51% to make them disabled if no active fire brigade 
is present, otherwise, destroy power plants until a significant power shortage 
is caused.
- Damage fire brigade (51%) if present
- Attack vehicles
- Attack defenses

Original issue reported on code.google.com by akarn...@gmail.com on 21 Jun 2012 at 12:00

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in the original if you damage fire brigade 51% or more, they can´t operate

and the same with the nuclear, solar and fusion plant (althought if the fire 
brigade is operative, it could be reparated to only 49% of damage and produce a 
% of energy).

in the original game also had a disaster: sometimes in human planet, you are 
called cause of nuclear disaster: one nuclear plant "explode" and get a damage 
of 20-80%, with lossing of population and decrease of people paid taxes.

For these reason, in the original, when you have enought credits and developed 
solar plant, you´re going changed the nuclear plant for fusion or solar.

The rules for AI to ground attack are (in my personal experience with the 
original game): 

- if the task force of the enemy (the AI) is superior or equal (in number and 
quality) to your force, they deploy their force in one hard-group, and first 
going to destroy tanks and vehicles that not are protected near fortress, 
barracks or stronhold. If you situated your force near fortress, after the AI 
destroy it, it become to destroy the fortress. Then, they go to destroy fire 
brigade, energy plant and fortress. They tried always to fire from a site where 
they don´t be shooting by your fortrees, or instead, to destroy a fortress 
first to allowed to find this site

- if the task force of the enemy (the AI) is inferior (in number and quality) 
to your force, they deploy their tanks and vehicles in various small group, and 
tried to do the more damage they could: fire at all building or tank or vehicle 
near to them. If they are firing to a structure (a police station for example), 
and you begin to shoot them with a tank, they stop to fire to the police 
station and began to counterfire to your tank.

Original comment by juanluis...@gmail.com on 21 Jun 2012 at 4:37

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about fire brigade: it could repair other building... but not autorepair itself

Original comment by juanluis...@gmail.com on 21 Jun 2012 at 5:41