Add Amphibious penalty to Land attacking into Water and vice versa (#6127)

* Add Amphibious penalty to Land attacking into Water and vice versa

* Replace Landing with Amphibious in all translation files

* Fix trailing whitespace

* Revert translation files

* Change working of Amphibious
Set penalty to Landing and Boarding

* Type-ify Unique and add Depreciated
Add Promotion to Melee Naval
Add exception that Landing penalty is NOT against cities

* Fix Vanilla

* Rename to Landing Party
Icon doesn't work

* Properly regenerated game.atlas/game.png

Co-authored-by: itanasi <spellman23@gmail.com>

android/assets/jsons/Civ V - Gods & Kings/UnitPromotions.json

@@ -138,7 +138,7 @@
 	{
 		"name": "Amphibious",
 		"prerequisites": ["Shock I", "Drill I"],
-		"uniques": ["Eliminates combat penalty for attacking over a river", "Eliminates combat penalty for attacking from the sea"],
+		"uniques": ["Eliminates combat penalty for attacking over a river", "Eliminates combat penalty for attacking across a coast"],
 		"unitTypes": ["Sword","Gunpowder"]
 	},
 	{
@@ -227,6 +227,11 @@
 		"uniques": ["[+20]% Strength <vs cities>", "Earn [33]% of the damage done to [City] units as [Gold]"],
 		"unitTypes": ["Melee Water"]
 	},
+	{
+		"name": "Landing Party",
+		"uniques": ["Eliminates combat penalty for attacking across a coast"],
+		"unitTypes": ["Melee Water"]
+	},
 
 	// Water Ranged
 	{

android/assets/jsons/Civ V - Vanilla/UnitPromotions.json

@@ -138,7 +138,7 @@
 	{
 		"name": "Amphibious",
 		"prerequisites": ["Shock I", "Drill I"],
-		"uniques": ["Eliminates combat penalty for attacking over a river", "Eliminates combat penalty for attacking from the sea"],
+		"uniques": ["Eliminates combat penalty for attacking over a river", "Eliminates combat penalty for attacking across a coast"],
 		"unitTypes": ["Sword","Gunpowder"]
 	},
 	{
@@ -227,6 +227,11 @@
 		"uniques": ["[+20]% Strength <vs cities>", "Earn [33]% of the damage done to [City] units as [Gold]"],
 		"unitTypes": ["Melee Water"]
 	},
+	{
+		"name": "Landing Party",
+		"uniques": ["Eliminates combat penalty for attacking across a coast"],
+		"unitTypes": ["Melee Water"]
+	},
 
 	// Water Ranged
 	{

android/assets/jsons/translations/template.properties

@@ -883,6 +883,7 @@ defence vs ranged =
 Attacker Bonus = 
 Defender Bonus = 
 Landing = 
+Boarding = 
 Flanking = 
 vs [unitType] = 
 Terrain = 

core/src/com/unciv/logic/battle/BattleDamage.kt

@@ -129,10 +129,20 @@ object BattleDamage {
         if (attacker is MapUnitCombatant) {
             modifiers.add(getTileSpecificModifiers(attacker, defender.getTile()))
 
-
-            if (attacker.unit.isEmbarked() && !attacker.unit.hasUnique("Eliminates combat penalty for attacking from the sea"))
+            // Depreciated Version
+            if (attacker.unit.isEmbarked() && !attacker.unit.hasUnique(UniqueType.AttackFromSea))
+                modifiers["Landing"] = -50
+            if (attacker.unit.isEmbarked() && !attacker.unit.hasUnique(UniqueType.AttackAcrossCoast))
                 modifiers["Landing"] = -50
 
+            // Land Melee Unit attacking to Water
+            if (!attacker.unit.isEmbarked() && attacker.isMelee() && defender.getTile().isWater
+                    && !attacker.unit.hasUnique(UniqueType.AttackAcrossCoast))
+                modifiers["Boarding"] = -50
+            // Naval Unit Melee attacking to Land (not City) unit
+            if (attacker.unit.type.isWaterUnit() && attacker.isMelee() && !defender.getTile().isWater
+                    && !attacker.unit.hasUnique(UniqueType.AttackAcrossCoast) && !defender.isCity())
+                modifiers["Landing"] = -50
 
             if (attacker.isMelee()) {
                 val numberOfAttackersSurroundingDefender = defender.getTile().neighbors.count {

core/src/com/unciv/models/ruleset/unique/UniqueType.kt

@@ -415,6 +415,9 @@ enum class UniqueType(val text: String, vararg targets: UniqueTarget, val flags:
     NormalVisionWhenEmbarked("Normal vision when embarked", UniqueTarget.Unit, UniqueTarget.Global),
     DefenceBonusWhenEmbarked("Defense bonus when embarked", UniqueTarget.Unit, UniqueTarget.Global),
     DefenceBonusWhenEmbarkedCivwide("Embarked units can defend themselves", UniqueTarget.Global),
+    @Deprecated("as of 3.19.8", ReplaceWith("Eliminates combat penalty for attacking across a coast"))
+    AttackFromSea("Eliminates combat penalty for attacking from the sea", UniqueTarget.Unit),
+    AttackAcrossCoast("Eliminates combat penalty for attacking across a coast", UniqueTarget.Unit),
 
     SixTilesAlwaysVisible("6 tiles in every direction always visible", UniqueTarget.Unit),
     

docs/uniques.md

@@ -883,6 +883,9 @@ Example: "All adjacent units heal [20] HP when healing"
 
 Applicable to: Unit
 
+#### Eliminates combat penalty for attacking across a coast
+Applicable to: Unit
+
 #### 6 tiles in every direction always visible
 Applicable to: Unit
 
@@ -1567,6 +1570,7 @@ Applicable to: Conditional
  - "[stats] with [resource]" - Deprecated as of 3.19.7, replace with "[stats] <with [resource]>"
  - "Not displayed as an available construction unless [buildingName] is built" - Deprecated as of 3.16.11, replace with "Not displayed as an available construction without [buildingName]"
  - "[stats] once [tech] is discovered" - Deprecated as of 3.17.10 - removed 3.18.19, replace with "[stats] <after discovering [tech]>"
+ - "Eliminates combat penalty for attacking from the sea" - Deprecated as of 3.19.8, replace with "Eliminates combat penalty for attacking across a coast"
  - "[amount]% Bonus XP gain" - Deprecated as of 3.18.12, replace with "[amount]% XP gained from combat"
  - "Cannot enter ocean tiles until Astronomy" - Deprecated as of 3.18.6, replace with "Cannot enter ocean tiles <before discovering [Astronomy]>"
  - "+[amount]% Strength when attacking" - Deprecated as of 3.17.5 - removed 3.18.5, replace with "[+amount]% Strength <when attacking>"