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2 Single Line Tags
2.1 Text Tags
3 Multi Line Tags
This file contains the variables that define the abilites that can be given to Units by Promotions.
Single Line Tags
Type = This is the name with which the promotion is identified
Description = Refers to a tag in CIV4GameTextInfos_Objects.xml that stores the in-game name of the promotion.
Sound = The sound played on promotion of the unit
PromotionPrereqOr1 = If the promotion requires another promotion before it can be had, that is listed here.
PromotionPrereqOr2 = A second promotion pre-requisite (if needed)
TechPrereq = The Tech required for this promotion
Button = Has two entries separated with comma. Second entry defines the art used for the button (includes Civilopedia button) and the 'circle-above-map' arrow. The two numbers following the second entry are the position of the button in the DDS (think Unit32.pcx back in Civ-3). First number is the column, second is the line. I'm not sure what does exactly the fist entry: It links to the same button but doesn't seem to be enough by itself.
bBlitz = Allows the unit to Blitz
bAmphib = Makes the unit Amphibious
bRiver = Makes the unit ignore enemy defence bonuses for Rivers
bEnemyRoute = Allows the unit to use enemy Roads and Railroads
bAlwaysHeal = Allows the unit to heal when on the move
bHillsDoubleMove = Gives the unit double movement on Hills
bImmuneToFirstStrikes = Makes the unit immune to First Strikes
bAltDown = If set to '1', the 'Alt' key must be pressed with the Hotkey.
bShiftDown = If set to '1', the 'Shift' key must be pressed with the Hotkey.
bCtrlDown = If set to '1', the 'Ctrl' key must be pressed with the Hotkey.
iVisibilityChange = Allows the unit to see the set amount more squares.
iMovesChange = Increases the movement of the unit by the set amount
iMoveDiscountChange = Decreases the cost of moving by the set amount, to a minimum of 1??
iWithdrawalChange = Changes the unit's chance of withdrawing when losing in combat by the set percentage.
iCollateralDamageChange = Increases the Collateral Damage done by the unit by the set amount.
iBombardRateChange = Increases the Bombard damage of the unit by the set percentage
iFirstStrikesChange = Changes the amount of First Strikes the unit has by the set amount.
iChanceFirstStrikesChange = Changes the amount of possible First Strikes the unit has by the set amount.
iEnemyHealChange = Changes the damage healing capabilities of a unit in enemy territory by the set percentage.
iNeutralHealChange = Changes the damage healing capabilities of a unit in neutral territory by the set percentage.
iFriendlyHealChange = Changes the damage healing capabilities of a unit in friendly territory by the set percentage.
iSameTileHealChange = Changes the damage healing capabilities of a unit in the same square by the set percentage.
iAdjacentTileHealChange = Changes the damage healing capabilities of a unit in adjacent squares by the set percentage.
iCombatPercent = Changes the combat value of the unit by the set percentage.
iCityAttack = Changes the city attack combat modifier by the set percentage.
iCityDefense = Changes the city defence combat modifier by the set percentage.
iHillsDefense = Changes the hills defence combat modifier by the set percentage.
iHotKeyPriority = If several objects have the same Hotkey defined, this value is compared to determine their internal priority.
Multi Line Tags
TerrainDefenses = Changes the modifier for defending in the specified types of Terrain by the set percentages.
FeatureDefenses = Changes the modifier for defending in the specified types of Feature by the set percentages.
UnitCombatMods = Changes the bonus when fighting against specific Unit Combat Types by the set percentages.
DomainMods = Changes the bonus when fighting against specific Domain by the set percentages.
TerrainDoubleMoves = Halfs the movement cost in the set Terrains
FeatureDoubleMoves = Halfs the movement cost in the set Feature
UnitCombats = The Unit Combat Types of unit which can have this promotion
HotKey = Defines Hotkey for this Promotion. Not used in standard game.