Cancel improvement (#2359)

* Bring Incas into the main game
(also changes slinger withdraw ability to inheritable)

* Update Nations.json

* For @JoshDM - Improvement Picker offers "Cancel improvement order"

* Improvement Picker offers "Cancel improvement order" - cleanup

* Improvement Picker offers "Cancel improvement order" - cleanup 2

* Improvement Picker offers "Cancel improvement order" - cleanup 3

Co-authored-by: Yair Morgenstern <yairm210@hotmail.com>

android/assets/jsons/TileImprovements.json

@@ -136,6 +136,9 @@
 		"name": "Remove Railroad",
 		"turnsToBuild": 2
 	},
+	{
+		"name": "Cancel improvement order",
+	},
 	
 	// Great Person improvements
 	{

core/src/com/unciv/Constants.kt

@@ -46,12 +46,13 @@ object Constants {
     const val random = "Random"
     val greatImprovements = listOf("Academy", "Landmark", "Manufactory", "Customs house", "Citadel")
 
-    val unitActionSetUp = "Set Up"
-    val unitActionSleep = "Sleep"
-    val unitActionSleepUntilHealed = "Sleep until healed"
-    val unitActionAutomation = "Automate"
-    val unitActionExplore = "Explore"
-    val futureTech = "Future Tech"
+    const val unitActionSetUp = "Set Up"
+    const val unitActionSleep = "Sleep"
+    const val unitActionSleepUntilHealed = "Sleep until healed"
+    const val unitActionAutomation = "Automate"
+    const val unitActionExplore = "Explore"
+    const val futureTech = "Future Tech"
 
+    const val cancelImprovementOrder = "Cancel improvement order"
     const val tutorialPopupNamePrefix = "Tutorial: "
 }

core/src/com/unciv/logic/map/TileInfo.kt

@@ -280,6 +280,7 @@ open class TileInfo {
             improvement.name == "Railroad" && this.roadStatus != RoadStatus.Railroad -> true
             improvement.name == "Remove Road" && this.roadStatus == RoadStatus.Road -> true
             improvement.name == "Remove Railroad" && this.roadStatus == RoadStatus.Railroad -> true
+            improvement.name == Constants.cancelImprovementOrder && this.improvementInProgress != null -> true
             topTerrain.unbuildable && !(topTerrain.name == Constants.forest && improvement.name == "Camp") -> false
             "Can only be built on Coastal tiles" in improvement.uniques && isCoastalTile() -> true
             else -> hasViewableResource(civInfo) && getTileResource().improvement == improvement.name
@@ -387,6 +388,10 @@ open class TileInfo {
         improvementInProgress = improvement.name
         turnsToImprovement = improvement.getTurnsToBuild(civInfo)
     }
+    fun stopWorkingOnImprovement() {
+        improvementInProgress = null
+        turnsToImprovement = 0
+    }
 
     fun hasEnemySubmarine(viewingCiv:CivilizationInfo): Boolean {
         val unitsInTile = getUnits()

core/src/com/unciv/ui/pickerscreens/ImprovementPickerScreen.kt

@@ -7,6 +7,7 @@ import com.badlogic.gdx.scenes.scene2d.ui.Button
 import com.badlogic.gdx.scenes.scene2d.ui.Table
 import com.badlogic.gdx.scenes.scene2d.ui.VerticalGroup
 import com.badlogic.gdx.utils.Align
+import com.unciv.Constants
 import com.unciv.logic.map.RoadStatus
 import com.unciv.logic.map.TileInfo
 import com.unciv.models.ruleset.tile.TileImprovement
@@ -23,9 +24,14 @@ class ImprovementPickerScreen(tileInfo: TileInfo, onAccept: ()->Unit) : PickerSc
 
         fun accept(improvement: TileImprovement?) {
             if (improvement != null) {
-                tileInfo.startWorkingOnImprovement(improvement, currentPlayerCiv)
-                if (tileInfo.civilianUnit != null) tileInfo.civilianUnit!!.action = null // this is to "wake up" the worker if it's sleeping
-                onAccept()
+                if (improvement.name == Constants.cancelImprovementOrder ) {
+                    tileInfo.stopWorkingOnImprovement()
+                    // no onAccept() - Worker can stay selected
+                } else {
+                    tileInfo.startWorkingOnImprovement(improvement, currentPlayerCiv)
+                    if (tileInfo.civilianUnit != null) tileInfo.civilianUnit!!.action = null // this is to "wake up" the worker if it's sleeping
+                    onAccept()
+                }
                 game.setWorldScreen()
                 dispose()
             }
@@ -50,11 +56,13 @@ class ImprovementPickerScreen(tileInfo: TileInfo, onAccept: ()->Unit) : PickerSc
 
             group.add(image).size(30f).pad(10f)
 
-            var labelText = improvement.name.tr() + " - " + improvement.getTurnsToBuild(currentPlayerCiv) + " {turns}"
+            var labelText = improvement.name.tr()
+            val turnsToBuild = improvement.getTurnsToBuild(currentPlayerCiv)
+            if (turnsToBuild > 0) labelText += " - $turnsToBuild {turns}"
             val provideResource = tileInfo.hasViewableResource(currentPlayerCiv) && tileInfo.getTileResource().improvement == improvement.name
             if (provideResource) labelText += "\n"+"Provides [${tileInfo.resource}]".tr()
             val removeImprovement = (improvement.name!=RoadStatus.Road.name
-                    && improvement.name!=RoadStatus.Railroad.name && !improvement.name.startsWith("Remove"))
+                    && improvement.name!=RoadStatus.Railroad.name && !improvement.name.startsWith("Remove") && improvement.name != Constants.cancelImprovementOrder)
             if (tileInfo.improvement!=null && removeImprovement) labelText += "\n" + "Replaces [${tileInfo.improvement}]".tr()
 
             group.add(labelText.toLabel()).pad(10f)
@@ -124,6 +132,7 @@ class ImprovementPickerScreen(tileInfo: TileInfo, onAccept: ()->Unit) : PickerSc
             regularImprovements.add(pickNow).padLeft(10f)
             regularImprovements.row()
         }
+
         topTable.add(regularImprovements)
     }
 }

core/src/com/unciv/ui/utils/ImageGetter.kt

@@ -12,6 +12,7 @@ import com.badlogic.gdx.scenes.scene2d.ui.Table
 import com.badlogic.gdx.scenes.scene2d.utils.Drawable
 import com.badlogic.gdx.scenes.scene2d.utils.TextureRegionDrawable
 import com.badlogic.gdx.utils.Align
+import com.unciv.Constants
 import com.unciv.models.ruleset.Nation
 import com.unciv.models.ruleset.Ruleset
 import com.unciv.models.ruleset.tile.ResourceType
@@ -123,7 +124,7 @@ object ImageGetter {
     val productionCircleColor = Color.BROWN.cpy().lerp(Color.WHITE,0.5f)!!
     val goldCircleColor = Color.GOLD.cpy().lerp(Color.WHITE,0.5f)!!
     fun getImprovementIcon(improvementName:String, size:Float=20f):Actor{
-        if(improvementName.startsWith("Remove"))
+        if(improvementName.startsWith("Remove") || improvementName == Constants.cancelImprovementOrder)
             return getImage("OtherIcons/Stop")
         if(improvementName.startsWith("StartingLocation ")){
             val nationName = improvementName.removePrefix("StartingLocation ")