EFFECT_ADJUST_UNIT_VALID_TERRAIN: where the game uses it

5 modifiers in the game's own data use this effect. Modifier ids, argument values, owners and requirement sets come from the installed game's data files (the base game and every DLC; mods are not included). Text keys are shown as keys: load your own game text to read the in-game wording here.

Arguments: TerrainType (String), Valid (Boolean).

Used by	Modifier	Arguments	Applies to	Conditions	In-game text	From
Technology `TECH_CARTOGRAPHY` `LOC_TECH_CARTOGRAPHY_NAME`	`CARTOGRAPHY_GRANT_OCEAN_NAVIGATION` `MODIFIER_PLAYER_UNITS_ADJUST_VALID_TERRAIN`	`TerrainType` = `TERRAIN_OCEAN` `Valid` = `true`	`PLAYER_UNITS`	—	`LOC_TECH_CARTOGRAPHY_DESCRIPTION`	Base
GreatPersonIndividualAction `GREAT_PERSON_INDIVIDUAL_LEIF_ERIKSON` `LOC_GREAT_PERSON_INDIVIDUAL_LEIF_ERIKSON_NAME`	`GREATPERSON_LEIF_ERIKSON_ACTIVE` `MODIFIER_PLAYER_UNITS_ADJUST_VALID_TERRAIN`	`TerrainType` = `TERRAIN_OCEAN` `Valid` = `true`	`PLAYER_UNITS`	applies to: 1 requirement `UNIT_DOMAIN_MATCHES` (UnitDomain=DOMAIN_SEA)	`LOC_GREATPERSON_LEIF_ERIKSON_ACTIVE`	Base
Technology `TECH_KNARRS` `LOC_TECH_SCENARIO_KNARRS_NAME`	`KNARRS_GRANT_OCEAN_NAVIGATION` `MODIFIER_PLAYER_UNITS_ADJUST_VALID_TERRAIN`	`TerrainType` = `TERRAIN_OCEAN` `Valid` = `true`	`PLAYER_UNITS`	—	`LOC_TECH_SCENARIO_KNARRS_DESCRIPTION`	VikingsScenario
Trait `TRAIT_CIVILIZATION_EARLY_OCEAN_NAVIGATION` `LOC_TRAIT_CIVILIZATION_EARLY_OCEAN_NAVIGATION_NAME`	`TRAIT_EARLY_OCEAN_NAVIGATION` `MODIFIER_PLAYER_UNITS_ADJUST_VALID_TERRAIN`	`TerrainType` = `TERRAIN_OCEAN` `Valid` = `true`	`PLAYER_UNITS`	applies to: 1 requirement `PLAYER_HAS_TECHNOLOGY` (TechnologyType=TECH_SHIPBUILDING)	`LOC_TRAIT_CIVILIZATION_EARLY_OCEAN_NAVIGATION_DESCRIPTION`	Base
Trait `TRAIT_CIVILIZATION_MAORI_MANA` `LOC_TRAIT_CIVILIZATION_MAORI_MANA_NAME`	`TRAIT_MAORI_MANA_OCEAN` `MODIFIER_PLAYER_UNITS_ADJUST_VALID_TERRAIN`	`TerrainType` = `TERRAIN_OCEAN` `Valid` = `True`	`PLAYER_UNITS`	—	`LOC_TRAIT_CIVILIZATION_MAORI_MANA_DESCRIPTION`	Expansion2