This page is a part of the Lua and UI Reference (Civ5).
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The YieldType pseudo-type is actually a regular integer. Pseudo-types do not exist in Lua, they only serve a documentation purpose on the wiki!
 Integers labeled as YieldType corresponds to the ID column of the Yields XML table. The standard (unmodded) values in the ID and Type columns are also stored in the YieldTypes Lua enumeration.
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Lua: the YieldTypes enumeration
Firaxis provides a Lua enumeration named YieldTypes. This is just a regular global table. Its keys are the constants' names and the pairs the corresponding values.
- This specific enumeration contains data from the Yields data table.
- They are stored as key/value pairs: the keys are the strings from the Type column and the values are the integers from the ID column.
Be careful: this enumeration do not reflect the changes, additions and deletions made by mods. As a result it is advised to rely on GameInfo instead.
Below are the values found in this enumeration.
| Key
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Value
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| "NO_YIELD"
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-1
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| "YIELD_FOOD"
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0
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| "YIELD_PRODUCTION"
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1
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| "YIELD_GOLD"
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2
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| "YIELD_SCIENCE"
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3
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| "YIELD_CULTURE"
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4
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| "NUM_YIELD_TYPES"
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4
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| "YIELD_FAITH"
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5
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XML: the Yields table
Here are the ID and Type columns found in this table.
| ID
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Type
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| 0
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YIELD_FOOD
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| 1
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YIELD_PRODUCTION
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| 2
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YIELD_GOLD
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| 3
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YIELD_SCIENCE
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| 4
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YIELD_CULTURE
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| 5
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YIELD_FAITH
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Examples
Here is how to use the LUA enumeration to retrieve the ID from the type. Those examples will return and assign the integer value 0.
local id = YieldTypes.YIELD_FOOD
local id = YieldTypes["YIELD_FOOD"]
Used by
string
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GetYieldTooltip(City city, YieldType yieldType, int base, int total, string iconString, string modifiersString)
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string
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GetYieldTooltipHelper(City city, YieldType yieldType, string icon)
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int
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Area:GetYieldRateModifier(PlayerID index1, YieldType index2)
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int
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City:FindBaseYieldRateRank(YieldType yield)
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int
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City:FindYieldRateRank(YieldType yield)
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int
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City:GetBaseYieldRate(YieldType index)
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int
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City:GetBaseYieldRateFromBuildings(YieldType yieldType)
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int
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City:GetBaseYieldRateFromMisc(YieldType yieldType)
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int
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City:GetBaseYieldRateFromReligion(YieldType yieldType)
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int
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City:GetBaseYieldRateFromSpecialists(YieldType yieldType)
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int
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City:GetBaseYieldRateFromTerrain(YieldType yieldType)
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int
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City:GetBaseYieldRateModifier(YieldType index, int extra = 0)
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int
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City:GetBuildingYieldChange(BuildingClassType buildingClass, YieldType yield)
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int
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City:GetExtraSpecialistYield(YieldType index)
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int
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City:GetExtraSpecialistYieldOfType(YieldType index, SpecialistType specialist)
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int
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City:GetLakePlotYield(YieldType index)
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int
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City:GetReligionBuildingClassYieldChange(BuildingClassType buildingClass, YieldType arg1)
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int
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City:GetResourceYieldRateModifier(YieldType index, ResourceType resource)
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int
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City:GetRiverPlotYield(YieldType index)
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int
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City:GetSeaPlotYield(YieldType index)
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int
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City:GetSpecialistYield(SpecialistType specialist, YieldType yield)
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string
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City:GetYieldModifierTooltip(YieldType yieldType)
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int
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City:GetYieldPerPopTimes100(YieldType yieldType)
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int
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City:GetYieldRate(YieldType index)
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int
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City:GetYieldRateModifier(YieldType index)
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int
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City:GetYieldRateTimes100(YieldType index)
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bool
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City:IsCanPurchase(UnitType unitType, int buildingType, int projectType, int projectID, int projectID = nil, YieldType yield = nil)
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City:SetBuildingYieldChange(BuildingClassType buildingClass, YieldType yield, int change)
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int
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Game.GetBuildingYieldChange(BuildingType building, YieldType arg1)
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int
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Game.GetBuildingYieldModifier(BuildingType building, YieldType arg1)
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Game.SetPlotExtraYield(int x, int y, YieldType yield, int extraYield)
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int
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Player:CalculateTotalYield(YieldType yield)
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int
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Player:GetCapitalYieldRateModifier(YieldType index)
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int
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Player:GetExtraYieldThreshold(YieldType index)
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int
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Player:GetPlayerBuildingClassYieldChange(BuildingClassType buildingClass, YieldType arg1)
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int
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Player:GetPolicyBuildingClassYieldChange(BuildingClassType buildingClass, YieldType arg1)
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int
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Player:GetPolicyBuildingClassYieldModifier(BuildingClassType buildingClass, YieldType arg1)
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int
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Player:GetSeaPlotYield(YieldType index)
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int
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Player:GetSpecialistExtraYield(SpecialistType index1, YieldType index2)
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int
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Player:GetYieldRateModifier(YieldType index)
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int
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Player:IsCanPurchaseAnyCity(bool arg0, bool arg1, UnitType arg2, BuildingType arg3, YieldType arg4)
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int
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Player:SpecialistYield(SpecialistType specialist, YieldType yield)
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int
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Plot:CalculateBestNatureYield(YieldType index, TeamID team)
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int
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Plot:CalculateImprovementYieldChange(ImprovementType improvement, YieldType yield, PlayerID player, bool optimal, RouteType assumeThisRoute)
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int
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Plot:CalculateNatureYield(YieldType index, TeamID team, bool ignoreFeature = false)
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int
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Plot:CalculateYield(YieldType index, bool display)
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int
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Plot:GetYield(YieldType index)
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int
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Plot:GetYieldWithBuild(BuildActionType build, YieldType yield, bool arg2, PlayerID activePlayer)
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bool
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Plot:HasYield(YieldType yield)
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Team:ChangeImprovementYieldChange(ImprovementType index1, YieldType index2, int change)
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int
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Team:GetImprovementYieldChange(ImprovementType index, YieldType index2)
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The initial version of this page was created by the Civ5 API Bot, see the Civ5 API Reference FAQ. Some of the texts come from the 2kgames' wiki and most of code samples are copyrighted to Firaxis.
Functions' signatures were either copied from the 2kgames' wiki, or infered from the Lua source files and the binaries. Errors are possible.
Contributors may find help in the Contributors guide to the Civ5 API.
