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Name: Empires ruleset for Freeciv 2.5
Author: taka
Version: 20160619
Description: http://freeciv.blog.fc2.com/blog-entry-120.html
License: same as classic rulesets

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* Introduction

 Empires ruleset is an extension of the default ruleset.
The rules are almost the same as the default rules, but some extra elements have been added.

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* Differences with the default ruleset

- Statue of Liberty
-- There are a revolution period and obsolete by Guerrilla Warfare
- technology upkeep style = "Basic"
-- tech upkeep deducts some bulbs each turn


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* Government

** Feudalism

Based on Monarchy
Req. Tech: Feudalism

Always increase +1 trade point, There aren't shield bonus in capital.
 You can't grow your cities by means of celebrations. All your cities
 are free from paying 2 upkeep for your units.


** City-state

Based on Monarchy
Req. Tech: Labor Union

Unit upkeep will be based on gold upkeep rather than shield upkeep.
 Unhappy_Factor=3. Make_Happy=3. One unhappy citizen appears for every 8 cities. Celebration has no effect.


** High-Technology State

Based on Democracy
Req. Tech: Code of Laws

There are +100% trade output bonus in all cities, and serious city wastes by capital distance.
Capital city gets +100% trade and gold output bonus.
*All* units is built by one more veteran level (including NonMil and NoVeteran flag units).
In each cities, land class units gets +100% defence bonus against *all* type units.
Empire_Size_Base = 3
Empire_Size_Step = 2
Tech_Upkeep_Free += 100


** National Mobilization Law

Based on Democracy
Req. Tech:  Guerrilla Warfare

Final science output is multiplied by 0.5, and final gold output us multiplied by 1.2.
 Waste and Unit_Upkeep_Free and Martial_Law is the same as that of Communism.
 There are no Senates. Make_Content_Mil=2. The chance of civil war is
 higher. During celebration, each worked tile will get +1 trade point.
 One unhappy citizen appears for every 8 cities.




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* Nations

Each nation has its own characteristics.
Please read the following sections for more details.

-Americans   : The Air Force
-Aztecs      : Miracle
-British     : Financial
-Chinese     : Expansive
-Egyptians   : Working
-French      : Revolution
-Germans     : Industry
-Greeks      : Protective
-Incas       : Spiritual
-Indians     : Vision
-Japanese    : Industrious
-Mayas       : Faith
-Mongols     : Riding
-Ottomans    : Trade
-Persians    : Creative
-Romans      : Commerce
-Russians    : The Army
-Spanish     : The Navy



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** Americans

National Feature: The Air Force

National Building: Academy
National Wonder: League of Nations, The Pentagon
Unique Units: Great General of the Air Force


*** League of Nations
In 3 turns, the League of Nations collects donations from other countries, and you get those donations. The percentage of donations is 80% of the national treasury funds.

*** Academy
Increases the Science production in a city by 75%.

*** The Pentagon
Air/Helicopter/Missile class units gets +2 additional movement steps, and its Veteran_Combat = 50, and +4 HP recovery every turn.
Enables the player to build the Great General of the Air Force which is a more powerful version of Paratroopers.



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** Aztecs

National Feature: Miracle
You can transport one unit per turn between two cities. (add to Airport effect)

National Building: Garden
National Wonder: Sacrificial Altar, Aztec Sun Stone
Unique Units: Quetzalcoatl, Tezcatlipoca

Starts with the following additional unit: Explorer.


*** Garden
Make two unhappy citizens content.

*** Sacrificial Altar
Can build Quetzalcoatl and Tezcatlipoca which are Land class units with high attack points.
When you lost units, you get gold in accordance with the unit creation cost.

*** Aztec Sun Stone
Recover all units' hitpoints by +6 at every turn. And units that did not move recover 25% hitpoints per turn.



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** British

National Feature: Financial
Gold production +50% in capital

National Building: Guild
National Wonder: Stonehenge, East India Company
Unique Units: ---


*** Guild
Increases the Gold production in a city by 50%.

*** Stonehenge
Add +1 gold production to each worked tile in every city.

***  East India Company
Increases the Gold production in every city by 50%.



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** Chinese

National Feature: Expansive

National Building: Paper Maker, State Farm
National Wonder: The Forbidden Palace, Great Firewall
Unique Units: ---

Starts with the following additional unit: Settlers.
First city will get Granary for free in addition to the standard improvements.


*** Paper Maker
Increases the Science production in a city by 50%.

*** State Farm
Grassland/Plains tile gets +1 additional food.

*** The Forbidden Palace
Increase city vision radius and the squared city radius. (+10)
The city is considered Governmental center.
Get some gold that equal to total city size.
This wonder's effect will be enabled if you aren't only Chinese.

*** Great Firewall
Make 2 unhappy citizens content forcefully if you are Chinese.
Cannot use any diplomacy if you are not Chinese.



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** Egyptians

National Feature: Working

National Building: Obelisk, Trading Post
National Wonder: Suez Canal
National Units: Merchant Ship
Unique Units: ---

Starts with knowledge of Pottery.
Starts with the following additional units: Workers (2).


*** Obelisk
Make 1 citzen happy in a city.

*** Trading Post
City gets +4 additional golds.
You can build Merchant Ship (Req. Tech: Trade and Navigation), that can establish trade routes.

*** Suez Canal
Every city will be added +1 more trade route.
Your city needs adjacent River and Oceanic tile to build this Wonder.



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** French

National Feature: Revolution
There are no anarchy period.

National Building: Grocery
National Wonder: Notre Dame, The Louvre Museum, Arc de Triomphe
Unique Units: Great General

First city will get Barracks for free in addition to the standard improvements.


*** Grocery
Increases the Gold production in a city by 50%.

*** Notre Dame
Make two content citizen happy in every city. You need Cathedral to build the Wonder in a city.

*** The Louvre
The city gets +40 points science.
The city gets +60 points science with Copernicus' Observatory at same city.

*** Arc de Triomphe
Can build the Great General which is powerful Riflemen with large vision.
Make units upgrade cost half.
Unleash defender (30%) if French is occupied the city.



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** Germans

National Feature: Industry
Shield production +25% in capital

National Building: Workshop, Assembly Plant
National Wonder: Volklingen Ironworks
Unique Units: LZ 127 Graf Zeppelin


*** Workshop
City center tile gets +2 additional shields.

*** Assembly Plant
Increases the Shield production in a city by 50%. (need Factory)
Reduces the amount of pollution generated by production in a city by 50%. (without Recycling Center)

*** Volklingen Ironworks
Increases the Shield production in this city by 50%.
Increase the number of units with no population cost a city can build in a turn by one.
You get the LZ 127 Graf Zeppelin which is a transport airship.



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** Greeks

National Feature: Protective

National Building: Acropolis
National Wonder: Statue of Zeus, Olympia
Unique Units: ---

Starts with knowledge of Bronze Working.
First city will get City Walls for free in addition to the standard improvements.


*** Acropolis
City gets +50% defence bonus against all class units.

*** Statue of Zeus
All Greece units gets +50% defence bonus against all class units.
Upgrade 1 obsolete unit per turn. Auto upgrade will duplicate with Leonardo's Workshop, 2 units per turn.

*** Olympia
All Greece cities gets a river under its cities.



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** Incas

National Feature: Spiritual

National Building: Terrace
National Wonder: Machu Picchu, Nazca Lines
Unique Units: (Heaven's Blessing)

Starts with the following additional unit: Heaven's Blessing.
Heaven's Blessing is used to build your wonder and when used, it will add 200 shields to your wonder production.

*** Terrace
City gets +4 luxury points.
Add 1 food in Mountains and Hills tile.

*** Machu Picchu
Increases luxury in every city by 100%.
Add 1 shield in all Hills tile.
Get a special unit:Heaven's Blessing.

*** Nazca Lines
You get three immediate technology advances.
Get a special unit:Heaven's Blessing.



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** Indians

National Feature: Vision
Reveal_Map=on until you build the Palace.

National Building: Watchtower
National Wonder: Mughal Fort, Ajanta Caves, Taj Mahal
Unique Units: Great Workers


*** Watchtower
City_Vision_Radius += 3
City_Vision_Radius += 1 (City MinSize=9)
City_Vision_Radius += 1 (City MinSize=13)
Caution: There are bugs with increasing City_Vision_Radius, see Gna bug #20887.

*** Mughal Fort
City defence bonus +300% (against Land, Sea/Trireme, Air/Helicopter class units).

*** Ajanta Caves
You get one immediate technology advances.
You get the Great Workers which is Engineers.
Announce the number of terrain tiles.

*** Taj Mahal
Make 2 content citizens happy in all your cities.
The player always has up-to-date knowledge of all cities (but not units) despite fog-of-war.



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** Japanese

National Feature: Industrious
More specialist output. (elvis/scientist/taxman +2)

National Building: ---
National Wonder: Ise Grand Shrine, Himeji Castle, Kure Naval Arsenal
Unique Units: Master of Ninja, Yamato


*** Ise Grand Shrine
You get more specialist output. (elvis/scientist/taxman +3)

*** Himeji Castle
You can build Land/Sea/Trireme class units with one more veteran level.
You can build the Master of Ninja which is a Diplomat with SuperSpy flag.

***  Kure Naval Arsenal
Sea class units get +1 additional movement point.
Can build Battleship Yamato which is a very powerful battleship.



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** Mayas

National Feature: Faith
You gets tithe by religious building.

National Building: Ball Court, Maya Pyramids
National Wonder: Chichien Itza, Long Count Calendar
Unique Units: ---

Starts with the following additional unit: Diplomat.
First city will get Temple for free in addition to the standard improvements.


*** Ball Court
Make 3 unhappy citizens content in a city.

*** Chichien Itza
Make 2 unhappy citizens content in every city.
You get some money from a enemy player if you occupied the city.

*** Long Count Calendar
Make 2 unhappy citizens content in every city.
Civilwar will occurs in 5% of probability if not Mayan occupy the city.



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** Mongols

National Feature: Riding
Chance of promotion will increase +50% for Horse flag units.

National Building: Stable, Ger
National Wonder: Statue of Khan
Unique Units: Great Mongol Khan
National Units: Mongol Mangudai


*** Stable
All horse flag units is built by one more veteran level.

*** Yurt
Add 1 trade & 1 shield in Grassland tile.

*** Statue of Khan
All horse flag units is built by one more veteran level. (without Sun Tzu's War Academy)
All horse flag units recovers +5 HP per turn.
You'll get 25 Mangudai units when you finish building the Statue of Khan.
Can build the Great Mongol Khan, who isn a national unique unit.



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** Ottomans

National Feature: Trade
Trade production +25% in capital

National Building: Bazaar
National Wonder: Topkapi Palace, Sultan Ahmed Mosque
Unique Units: ---


*** Bazaar
Increases the Trade production in city by 10%.

*** Topkapi Palace
Trade_Revenue_Bonus is increased by +50%.

*** Sultan Ahmed Mosque
Add +50 points Trade production in city center tile.



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** Persians

National Feature: Creative

National Building: Mosque
National Wonder: Mausoleum of Halicarnassus, Great Mosque of Samarra
Unique Units: ---

First city will get Library for free in addition to the standard improvements.


*** Mosque
Increases the Science production in this city by 50%.

*** Mausoleum of Halicarnassus
Increases the Science production in every city by 100%. (without Isaac Newton's College)
Increases the Science production in every city by 50%. (with Isaac Newton's College)

*** Great Mosque of Samarra
In each city 2 units are free from shield upkeep.
Get gold each time when you finished researching.



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** Romans

National Feature: Commerce
Four trading rutes

National Building: Forum, Rathaus
National Wonder: Sistine Chapel
Unique Units: ---


*** Forum
Add 1 trade in Land tile which has some trade.

*** Rathaus
City center tile gets +4 points Trade production without Tech:Democracy.
City center tile gets +8 points Trade production with Tech:Democracy.

*** Sistine Chapel
All city center tile gets +8 points Trade production.



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** Russians

National Feature: The Army

National Building: Research Institute
National Wonder: Russian Orthodox Church, The Kremlin
Unique Units: KGB Agent, Great General of the Army


*** Research Institute
Add +100% reserch point with Research Lab.

*** Russian Orthodox Church
Land class units get +1 move bonus and +4 hitpoints recovery.
You can build the Great General of the Army which is a powerful Cavalry with IgTer, and a 6 Land unit carrier.

*** The Kremlin
All units gets +50% defence bouns against Land class units in any tile. 
You can build the KGB Agent which is Spy with SuperSpy and stelth flag.
Divulge the secret information of each country.



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** Spanish

National Feature: The Navy

National Building: Dock
National Wonder: Conquistador, Alhambra, Sagrada Familia
Unique Units: Great General of the Navy


*** Dock
Add +5 trades in city center tile. (Req.: Harbor)

*** Conquistador
Sea/Trireme class units gets +2 additional movement points.
Sea/Trireme class units gets veteran_combat=50 and +4 HP recover.
You'll get some money depending on city size if you conquest the city.
Can build the Great General of the Navy which is powerful Marines.

*** Alhambra
Each cities get +5 golds.

*** Sagrada Familia
AI players love you because you spend many costs. (AI_Love = 50)
Spanish will win the game if they don't lost their city at all in 5 turns.



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* TODO

- Implement DiplRel to share effects of National Wonder with allied power
-- http://forum.freeciv.org/f/viewtopic.php?f=11&t=134

