City Screen improvements (#8598)

* City Screen improvements

* Buy icon reverted to Gold icon

---------

Co-authored-by: tunerzinc@gmail.com <vfylfhby>

core/src/com/unciv/logic/city/managers/CityExpansionManager.kt

@@ -55,6 +55,15 @@ class CityExpansionManager : IsPartOfGameInfoSerialization {
         return cultureToNextTile.roundToInt()
     }
 
+    fun canBuyTile(tile: Tile): Boolean {
+        return when {
+            city.isPuppet -> false
+            tile.getOwner() != null -> false
+            tile !in city.tilesInRange -> false
+            else -> tile.neighbors.any { it.getCity() == city }
+        }
+    }
+
     fun buyTile(tile: Tile) {
         val goldCost = getGoldCostOfTile(tile)
 

core/src/com/unciv/logic/civilization/Civilization.kt

@@ -697,6 +697,14 @@ class Civilization : IsPartOfGameInfoSerialization {
         }
     }
 
+    fun hasGoldToBuy(price: Int): Boolean {
+        return when {
+            gameInfo.gameParameters.godMode -> true
+            price == 0 -> true
+            else -> gold >= price
+        }
+    }
+
     fun addStats(stats: Stats){
         for ((stat, amount) in stats) addStat(stat, amount.toInt())
     }

core/src/com/unciv/ui/cityscreen/CityMapHolder.kt

@@ -0,0 +1,29 @@
+package com.unciv.ui.cityscreen
+
+import com.unciv.ui.UncivStage
+import com.unciv.ui.tilegroups.TileGroupMap
+import com.unciv.ui.utils.ZoomableScrollPane
+
+class CityMapHolder : ZoomableScrollPane(20f, 20f) {
+
+    init {
+        setupZoomPanListeners()
+    }
+
+    private fun setupZoomPanListeners() {
+
+        fun setActHit() {
+            val isEnabled = !isZooming() && !isPanning
+            (stage as UncivStage).performPointerEnterExitEvents = isEnabled
+            val tileGroupMap = actor as TileGroupMap<*>
+            tileGroupMap.shouldAct = isEnabled
+            tileGroupMap.shouldHit = isEnabled
+        }
+
+        onPanStartListener = { setActHit() }
+        onPanStopListener = { setActHit() }
+        onZoomStartListener = { setActHit() }
+        onZoomStopListener = { setActHit() }
+    }
+
+}

core/src/com/unciv/ui/cityscreen/CityScreen.kt

@@ -16,9 +16,11 @@ import com.unciv.models.ruleset.tile.TileImprovement
 import com.unciv.models.ruleset.unique.LocalUniqueCache
 import com.unciv.models.ruleset.unique.UniqueType
 import com.unciv.models.stats.Stat
+import com.unciv.models.translations.tr
 import com.unciv.ui.audio.CityAmbiencePlayer
 import com.unciv.ui.audio.SoundPlayer
 import com.unciv.ui.images.ImageGetter
+import com.unciv.ui.popup.ConfirmPopup
 import com.unciv.ui.tilegroups.TileGroupMap
 import com.unciv.ui.popup.ToastPopup
 import com.unciv.ui.tilegroups.CityTileGroup
@@ -26,7 +28,6 @@ import com.unciv.ui.tilegroups.TileSetStrings
 import com.unciv.ui.utils.BaseScreen
 import com.unciv.ui.utils.KeyCharAndCode
 import com.unciv.ui.utils.RecreateOnResize
-import com.unciv.ui.utils.ZoomableScrollPane
 import com.unciv.ui.utils.extensions.disable
 import com.unciv.ui.utils.extensions.keyShortcuts
 import com.unciv.ui.utils.extensions.onActivation
@@ -88,7 +89,7 @@ class CityScreen(
     private var tileGroups = ArrayList<CityTileGroup>()
 
     /** The ScrollPane for the background map view of the city surroundings */
-    private val mapScrollPane = ZoomableScrollPane()
+    private val mapScrollPane = CityMapHolder()
 
     /** Support for [UniqueType.CreatesOneImprovement] - need user to pick a tile */
     class PickTileForImprovementData (
@@ -302,9 +303,8 @@ class CityScreen(
                 .map { CityTileGroup(cityInfo, it, tileSetStrings) }
 
         for (tileGroup in cityTileGroups) {
-            tileGroup.onClick {
-                tileGroupOnClick(tileGroup, cityInfo)
-            }
+            tileGroup.onClick { tileGroupOnClick(tileGroup, cityInfo) }
+            tileGroup.layerMisc.onClick { tileWorkedIconOnClick(tileGroup, cityInfo) }
             tileGroups.add(tileGroup)
         }
 
@@ -330,6 +330,45 @@ class CityScreen(
         mapScrollPane.updateVisualScroll()
     }
 
+    private fun tileWorkedIconOnClick(tileGroup: CityTileGroup, city: City) {
+
+        if (!canChangeState || city.isPuppet) return
+        val tile = tileGroup.tile
+
+        // Cycling as: Not-worked -> Worked -> Locked -> Not-worked
+        if (tileGroup.isWorkable) {
+            if (!tile.providesYield() && city.population.getFreePopulation() > 0) {
+                city.workedTiles.add(tile.position)
+                game.settings.addCompletedTutorialTask("Reassign worked tiles")
+            } else if (tile.isWorked() && !tile.isLocked()) {
+                city.lockedTiles.add(tile.position)
+            } else if (tile.isLocked()) {
+                city.workedTiles.remove(tile.position)
+                city.lockedTiles.remove(tile.position)
+            }
+            city.cityStats.update()
+            update()
+
+        } else if (tileGroup.isPurchasable) {
+
+            val price = city.expansion.getGoldCostOfTile(tile)
+            val purchasePrompt = "Currently you have [${city.civ.gold}] [Gold].".tr() + "\n\n" +
+                    "Would you like to purchase [Tile] for [$price] [${Stat.Gold.character}]?".tr()
+            ConfirmPopup(
+                this,
+                purchasePrompt,
+                "Purchase",
+                true,
+                restoreDefault = { update() }
+            ) {
+                SoundPlayer.play(UncivSound.Coin)
+                city.expansion.buyTile(tile)
+                // preselect the next tile on city screen rebuild so bulk buying can go faster
+                UncivGame.Current.replaceCurrentScreen(CityScreen(city, initSelectedTile = city.expansion.chooseNewTileToOwn()))
+            }.open()
+        }
+    }
+
     private fun tileGroupOnClick(tileGroup: CityTileGroup, city: City) {
         if (city.isPuppet) return
         val tileInfo = tileGroup.tile
@@ -356,17 +395,6 @@ class CityScreen(
         }
 
         selectTile(tileInfo)
-        if (tileGroup.isWorkable && canChangeState) {
-            if (!tileInfo.providesYield() && city.population.getFreePopulation() > 0) {
-                city.workedTiles.add(tileInfo.position)
-                city.lockedTiles.add(tileInfo.position)
-                game.settings.addCompletedTutorialTask("Reassign worked tiles")
-            } else if (tileInfo.isWorked()) {
-                city.workedTiles.remove(tileInfo.position)
-                city.lockedTiles.remove(tileInfo.position)
-            }
-            city.cityStats.update()
-        }
         update()
     }
 

core/src/com/unciv/ui/cityscreen/CityScreenTileTable.kt

@@ -59,7 +59,7 @@ class CityScreenTileTable(private val cityScreen: CityScreen): Table() {
         innerTable.row()
         innerTable.add(getTileStatsTable(stats)).row()
 
-        if (isTilePurchaseShown(selectedTile)) {
+        if (city.expansion.canBuyTile(selectedTile)) {
             val goldCostOfTile = city.expansion.getGoldCostOfTile(selectedTile)
             val buyTileButton = "Buy for [$goldCostOfTile] gold".toTextButton()
             buyTileButton.onActivation {
@@ -67,7 +67,7 @@ class CityScreenTileTable(private val cityScreen: CityScreen): Table() {
                 askToBuyTile(selectedTile)
             }
             buyTileButton.keyShortcuts.add('T')
-            buyTileButton.isEnabled = isTilePurchaseAllowed(goldCostOfTile)
+            buyTileButton.isEnabled =  cityScreen.canChangeState && city.civ.hasGoldToBuy(goldCostOfTile)
             buyTileButton.addTooltip('T')  // The key binding is done in CityScreen constructor
             innerTable.add(buyTileButton).padTop(5f).row()
         }
@@ -113,9 +113,9 @@ class CityScreenTileTable(private val cityScreen: CityScreen): Table() {
      */
     private fun askToBuyTile(selectedTile: Tile) {
         // These checks are redundant for the onClick action, but not for the keyboard binding
-        if (!isTilePurchaseShown(selectedTile)) return
+        if (!city.expansion.canBuyTile(selectedTile)) return
         val goldCostOfTile = city.expansion.getGoldCostOfTile(selectedTile)
-        if (!isTilePurchaseAllowed(goldCostOfTile)) return
+        if (!city.civ.hasGoldToBuy(goldCostOfTile)) return
 
         cityScreen.closeAllPopups()
 
@@ -135,21 +135,6 @@ class CityScreenTileTable(private val cityScreen: CityScreen): Table() {
         }.open()
     }
 
-    /** This tests whether the buy button should be _shown_ */
-    private fun isTilePurchaseShown(selectedTile: Tile) = when {
-        selectedTile.getOwner() != null -> false
-        selectedTile !in city.tilesInRange -> false
-        else -> selectedTile.neighbors.any { it.getCity() == city }
-    }
-    /** This tests whether the buy button should be _enabled_ */
-    private fun isTilePurchaseAllowed(goldCostOfTile: Int) = when {
-        city.isPuppet -> false
-        !cityScreen.canChangeState -> false
-        city.civ.gameInfo.gameParameters.godMode -> true
-        goldCostOfTile == 0 -> true
-        else -> city.civ.gold >= goldCostOfTile
-    }
-
     private fun getTileStatsTable(stats: Stats): Table {
         val statsTable = Table()
         statsTable.defaults().pad(2f)

core/src/com/unciv/ui/tilegroups/CityTileGroup.kt

@@ -1,23 +1,38 @@
 package com.unciv.ui.tilegroups
 
+import com.badlogic.gdx.graphics.Color
+import com.badlogic.gdx.scenes.scene2d.Actor
+import com.badlogic.gdx.scenes.scene2d.Touchable
+import com.badlogic.gdx.utils.Align
 import com.unciv.UncivGame
 import com.unciv.logic.city.City
 import com.unciv.logic.civilization.Civilization
 import com.unciv.logic.map.tile.Tile
 import com.unciv.ui.images.ImageGetter
+import com.unciv.ui.utils.extensions.addToCenter
+import com.unciv.ui.utils.extensions.darken
+import com.unciv.ui.utils.extensions.setFontColor
+import com.unciv.ui.utils.extensions.toGroup
+import com.unciv.ui.utils.extensions.toLabel
 
 class CityTileGroup(private val city: City, tile: Tile, tileSetStrings: TileSetStrings) : TileGroup(tile,tileSetStrings) {
 
     var isWorkable = false
+    var isPurchasable = false
 
     init {
-        if (city.location == tile.position)
-            layerMisc.setNewPopulationIcon(ImageGetter.getImage("OtherIcons/Star"))
+        layerMisc.touchable = Touchable.childrenOnly
     }
 
     override fun update(viewingCiv: Civilization?) {
         super.update(city.civ)
 
+        isWorkable = false
+        isPurchasable = false
+
+        layerMisc.removeWorkedIcon()
+        var icon: Actor? = null
+
         when {
 
             // Does not belong to us
@@ -25,6 +40,25 @@ class CityTileGroup(private val city: City, tile: Tile, tileSetStrings: TileSetS
                 layerTerrain.dim(0.3f)
                 layerMisc.setYieldVisible(UncivGame.Current.settings.showTileYields)
                 layerMisc.dimYields(true)
+
+                // Can be purchased in principle? Add icon.
+                if (city.expansion.canBuyTile(tile)) {
+
+                    val price = city.expansion.getGoldCostOfTile(tile)
+                    val label = price.toString().toLabel(fontSize = 9, alignment = Align.center)
+                    val image = ImageGetter.getImage("TileIcons/Buy")
+                    icon = image.toGroup(26f).apply { isTransform = false }
+                    icon.addToCenter(label)
+                    label.y -= 15f
+
+                    // Can be purchased now?
+                    if (!city.civ.hasGoldToBuy(price)) {
+                        image.color = Color.WHITE.darken(0.5f)
+                        label.setFontColor(Color.RED)
+                    } else {
+                        isPurchasable = true
+                    }
+                }
             }
 
             // Out of city range
@@ -40,34 +74,56 @@ class CityTileGroup(private val city: City, tile: Tile, tileSetStrings: TileSetS
                 layerMisc.dimYields(true)
             }
 
-            // Locked
-            tile.isLocked() -> {
-                layerMisc.setNewPopulationIcon(ImageGetter.getImage("OtherIcons/Lock"))
-                isWorkable = true
+            // City Center
+            tile.isCityCenter() -> {
+                icon = ImageGetter.getImage("TileIcons/CityCenter")
+                layerMisc.dimYields(false)
             }
 
-            // Workable
-            tile.isWorked() || !tile.providesYield() -> {
-                layerMisc.setNewPopulationIcon()
+            // Does not provide yields
+            tile.stats.getTileStats(viewingCiv).isEmpty() -> {
+                // Do nothing
+            }
+
+            // Locked
+            tile.isLocked() -> {
+                icon = ImageGetter.getImage("TileIcons/Locked")
                 isWorkable = true
+                layerMisc.dimYields(false)
+            }
+
+            // Worked
+            tile.isWorked() -> {
+                icon = ImageGetter.getImage("TileIcons/Worked")
+                isWorkable = true
+                layerMisc.dimYields(false)
+            }
+
+            // Not-worked
+            else -> {
+                icon = ImageGetter.getImage("TileIcons/NotWorked")
+                isWorkable = true
+                layerMisc.dimYields(true)
             }
         }
 
-        // No unit flags inside CityScreen
-        layerUnitFlag.isVisible = false
+        if (icon != null) {
+            icon.setSize(26f, 26f)
+            icon.setPosition(width/2 - icon.width/2,
+                height*0.85f - icon.height/2)
+            layerMisc.addWorkedIcon(icon)
+        }
 
-        // Pixel art, road, improvements are dimmed inside CityScreen
+        // No unit flags and city-buttons inside CityScreen
+        layerUnitFlag.isVisible = false
+        layerCityButton.isVisible = false
+
+        // Pixel art, roads, improvements are dimmed inside CityScreen
         layerUnitArt.dim()
         layerFeatures.dim()
         layerMisc.dimImprovement(true)
 
-        // Dim yield icons if tile is not worked
-        if (!tile.providesYield())
-            layerMisc.dimYields(true)
-
-        // Update citizen icon and put whole layer (yield, pop, improvement, res) to front
-        layerMisc.updatePopulationIcon()
+        // Put whole layer (yield, pop, improvement, res) to front
         layerMisc.toFront()
     }
-
 }

core/src/com/unciv/ui/tilegroups/WorldTileGroup.kt

@@ -1,30 +1,54 @@
 package com.unciv.ui.tilegroups
 
+import com.badlogic.gdx.graphics.Color
+import com.badlogic.gdx.scenes.scene2d.Touchable
 import com.unciv.UncivGame
 import com.unciv.logic.civilization.Civilization
 import com.unciv.logic.map.tile.Tile
+import com.unciv.ui.images.ImageGetter
+import com.unciv.ui.utils.extensions.center
+import com.unciv.ui.utils.extensions.darken
 import com.unciv.ui.worldscreen.WorldScreen
 
 
 class WorldTileGroup(internal val worldScreen: WorldScreen, tile: Tile, tileSetStrings: TileSetStrings)
     : TileGroup(tile,tileSetStrings) {
 
-    override fun update(viewingCiv: Civilization?) {
-
-        layerMisc.removePopulationIcon()
-
-        val city = tile.getCity()
-        val tileIsViewable = isViewable(viewingCiv!!)
-
-        // Show population icon overlay (if option is enabled)
-        if (tileIsViewable && tile.isWorked() && UncivGame.Current.settings.showWorkedTiles
-                && city!!.civ == viewingCiv) {
-            layerMisc.setNewPopulationIcon()
-        }
-
-        super.update(viewingCiv)
+    init {
+        layerMisc.touchable = Touchable.disabled
     }
 
+    override fun update(viewingCiv: Civilization?) {
+        super.update(viewingCiv)
+
+        updateWorkedIcon(viewingCiv!!)
+    }
+
+    private fun updateWorkedIcon(viewingCiv: Civilization) {
+
+        layerMisc.removeWorkedIcon()
+
+        val shouldShowWorkedIcon = UncivGame.Current.settings.showWorkedTiles   // Overlay enabled;
+                && isViewable(viewingCiv)                                       // We see tile;
+                && tile.getCity()?.civ == viewingCiv                            // Tile belongs to us;
+                && tile.isWorked()                                              // Tile is worked;
+
+        if (!shouldShowWorkedIcon)
+            return
+
+        val icon = when {
+            tile.isLocked() -> ImageGetter.getImage("TileIcons/Locked").apply { color = Color.WHITE.darken(0.5f) }
+            tile.isWorked() && tile.providesYield() -> ImageGetter.getImage("TileIcons/Worked").apply { color = Color.WHITE.darken(0.5f) }
+            else -> null
+        }
+
+        if (icon != null) {
+            icon.setSize(20f, 20f)
+            icon.center(this)
+            icon.x += 20f
+            layerMisc.addWorkedIcon(icon)
+        }
+    }
 
     override fun clone(): WorldTileGroup = WorldTileGroup(worldScreen, tile , tileSetStrings)
 }

core/src/com/unciv/ui/tilegroups/layers/TileLayer.kt

@@ -1,6 +1,7 @@
 package com.unciv.ui.tilegroups.layers
 
 import com.badlogic.gdx.scenes.scene2d.Group
+import com.badlogic.gdx.scenes.scene2d.Touchable
 import com.badlogic.gdx.scenes.scene2d.ui.Image
 import com.unciv.logic.civilization.Civilization
 import com.unciv.logic.map.tile.Tile
@@ -11,6 +12,7 @@ import com.unciv.ui.tilegroups.TileSetStrings
 abstract class TileLayer(val tileGroup: TileGroup, size: Float) : Group() {
 
     init {
+        touchable = Touchable.disabled
         isTransform = false
         @Suppress("LeakingThis")
         setSize(size, size)

core/src/com/unciv/ui/tilegroups/layers/TileLayerMisc.kt

@@ -13,14 +13,13 @@ import com.unciv.models.helpers.MapArrowType
 import com.unciv.models.helpers.MiscArrowTypes
 import com.unciv.models.helpers.TintedMapArrow
 import com.unciv.models.helpers.UnitMovementMemoryType
-import com.unciv.ui.tilegroups.YieldGroup
 import com.unciv.ui.images.ImageGetter
 import com.unciv.ui.tilegroups.TileGroup
 import com.unciv.ui.tilegroups.TileSetStrings
 import com.unciv.ui.tilegroups.WorldTileGroup
+import com.unciv.ui.tilegroups.YieldGroup
 import com.unciv.ui.utils.extensions.center
 import com.unciv.ui.utils.extensions.centerX
-import com.unciv.ui.utils.extensions.darken
 import com.unciv.ui.utils.extensions.toLabel
 import kotlin.math.atan2
 import kotlin.math.min
@@ -44,7 +43,15 @@ private class MapArrow(val targetTile: Tile, val arrowType: MapArrowType, val st
 class TileLayerMisc(tileGroup: TileGroup, size: Float) : TileLayer(tileGroup, size) {
 
     override fun act(delta: Float) {}
-    override fun hit(x: Float, y: Float, touchable: Boolean): Actor? = null
+    override fun hit(x: Float, y: Float, touchable: Boolean): Actor? {
+        return if (workedIcon == null) {
+            null
+        } else {
+            val coords = Vector2(x, y)
+            workedIcon!!.parentToLocalCoordinates(coords)
+            workedIcon!!.hit(coords.x, coords.y, touchable)
+        }
+    }
 
     private var yieldsInitialized = false
     private var yields = YieldGroup().apply { isVisible = false }
@@ -53,10 +60,10 @@ class TileLayerMisc(tileGroup: TileGroup, size: Float) : TileLayer(tileGroup, si
     private val arrowsToDraw = ArrayList<MapArrow>()
     private val arrows = HashMap<Tile, ArrayList<Actor>>()
 
+    private var resourceName: String? = null
+    private var resourceIcon: Actor? = null
+    private var workedIcon: Actor? = null
     var improvementIcon: Actor? = null
-    var populationIcon: Image? = null
-    var resourceIcon: Actor? = null
-    var resourceName: String? = null
 
     private val startingLocationIcons = mutableListOf<Actor>()
 
@@ -233,36 +240,16 @@ class TileLayerMisc(tileGroup: TileGroup, size: Float) : TileLayer(tileGroup, si
         }
     }
 
-    fun updatePopulationIcon() {
-        val icon = populationIcon
-        if (icon != null) {
-            icon.setSize(25f, 25f)
-            icon.setPosition(width / 2 - icon.width / 2,
-                height * 0.85f - icon.height / 2)
-            icon.color = when {
-                tile().isCityCenter() -> Color.GOLD.cpy()
-                tile().providesYield() -> Color.WHITE.cpy()
-                else -> Color.GRAY.cpy()
-            }
-            icon.toFront()
-        }
+    fun removeWorkedIcon() {
+        workedIcon?.remove()
+        workedIcon = null
+        determineVisibility()
     }
 
-    fun setNewPopulationIcon(icon: Image = ImageGetter.getStatIcon("Population")
-        .apply { color = Color.GREEN.darken(0.5f) }) {
-        populationIcon?.remove()
-        populationIcon = icon
-        populationIcon!!.run {
-            setSize(20f, 20f)
-            center(tileGroup)
-            x += 20 // right
-        }
-        addActor(populationIcon)
-    }
-
-    fun removePopulationIcon() {
-        populationIcon?.remove()
-        populationIcon = null
+    fun addWorkedIcon(icon: Actor) {
+        workedIcon = icon
+        addActor(workedIcon)
+        determineVisibility()
     }
 
 
@@ -278,7 +265,7 @@ class TileLayerMisc(tileGroup: TileGroup, size: Float) : TileLayer(tileGroup, si
     fun dimImprovement(dim: Boolean) { improvementIcon?.color?.a = if (dim) 0.5f else 1f }
     fun dimResource(dim: Boolean) { resourceIcon?.color?.a = if (dim) 0.5f else 1f }
     fun dimYields(dim: Boolean) { yields.color.a = if (dim) 0.5f else 1f }
-    fun dimPopulation(dim: Boolean) { populationIcon?.color?.a = if (dim) 0.4f else 1f }
+    fun dimPopulation(dim: Boolean) { workedIcon?.color?.a = if (dim) 0.4f else 1f }
 
     fun setYieldVisible(isVisible: Boolean) {
         yields.isVisible = isVisible
@@ -305,7 +292,7 @@ class TileLayerMisc(tileGroup: TileGroup, size: Float) : TileLayer(tileGroup, si
         isVisible = yields.isVisible
                 || resourceIcon?.isVisible == true
                 || improvementIcon != null
-                || populationIcon != null
+                || workedIcon != null
                 || arrows.isNotEmpty()
                 || startingLocationIcons.isNotEmpty()
     }

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

@@ -294,6 +294,8 @@ open class ZoomableScrollPane(
         }
 
         override fun panStop(event: InputEvent?, x: Float, y: Float, pointer: Int, button: Int) {
+            if (zoomListener.isZooming)
+                zoomListener.isZooming = false
             isPanning = false
             onPanStopListener?.invoke()
         }