Added game saves - you can now save and load the game!

core/src/com/unciv/UnCivGame.kt

@@ -20,24 +20,23 @@ class UnCivGame : Game() {
     var settings = GameSettings()
 
     var worldScreen: WorldScreen? = null
+
     override fun create() {
         setupGameBasics()
 
         Current = this
         if (GameSaver.getSave("Autosave").exists()) {
             try {
-                GameSaver.loadGame(this, "Autosave")
-                gameInfo.getPlayerCivilization().civName="Babylon"
-                gameInfo.tileMap.values.forEach {
-                    //if (it.getOwner() == "Player") it.getOwner() = "Babylon"
-                    if (it.unit != null && it.unit!!.owner == "Player") it.unit!!.owner = "Babylon"
-                }
+                loadGame("Autosave")
             } catch (ex: Exception) { // silent fail if we can't read the autosave
                 startNewGame()
             }
         }
         else startNewGame()
+    }
 
+    fun loadGame(gameName:String){
+        gameInfo = GameSaver.loadGame( gameName)
         worldScreen = WorldScreen()
         setWorldScreen()
     }

core/src/com/unciv/ui/LoadScreen.kt

@@ -0,0 +1,57 @@
+package com.unciv.ui
+
+import com.badlogic.gdx.graphics.Color
+import com.badlogic.gdx.scenes.scene2d.ui.Table
+import com.badlogic.gdx.scenes.scene2d.ui.TextButton
+import com.unciv.UnCivGame
+import com.unciv.ui.cityscreen.addClickListener
+import com.unciv.ui.pickerscreens.PickerScreen
+import com.unciv.ui.utils.CameraStageBaseScreen
+import com.unciv.ui.utils.GameSaver
+import com.unciv.ui.utils.disable
+import com.unciv.ui.utils.enable
+
+class LoadScreen : PickerScreen() {
+    lateinit var selectedSave:String
+
+    init {
+        val saveTable = Table()
+
+
+        val deleteSaveButton = TextButton("Delete save", CameraStageBaseScreen.skin)
+        deleteSaveButton .addClickListener {
+            GameSaver.deleteSave(selectedSave)
+            UnCivGame.Current.screen = LoadScreen()
+        }
+        deleteSaveButton.disable()
+        rightSideGroup.addActor(deleteSaveButton)
+
+        topTable.add(saveTable)
+        val saves = GameSaver.getSaves()
+        rightSideButton.setText("Load game")
+        saves.forEach {
+            val textButton = TextButton(it,skin)
+            textButton.addClickListener {
+                selectedSave=it
+
+                descriptionLabel.setText(it)
+                rightSideButton.setText("Load\r\n$it")
+                rightSideButton.enable()
+                deleteSaveButton.enable()
+                deleteSaveButton.color= Color.RED
+            }
+            saveTable.add(textButton).pad(5f).row()
+        }
+
+        rightSideButton.addClickListener {
+            UnCivGame.Current.loadGame(selectedSave)
+        }
+
+
+
+    }
+
+
+}
+
+

core/src/com/unciv/ui/SaveScreen.kt

@@ -0,0 +1,53 @@
+package com.unciv.ui
+
+import com.badlogic.gdx.scenes.scene2d.ui.Label
+import com.badlogic.gdx.scenes.scene2d.ui.Table
+import com.badlogic.gdx.scenes.scene2d.ui.TextButton
+import com.badlogic.gdx.scenes.scene2d.ui.TextField
+import com.unciv.UnCivGame
+import com.unciv.ui.cityscreen.addClickListener
+import com.unciv.ui.pickerscreens.PickerScreen
+import com.unciv.ui.utils.GameSaver
+import com.unciv.ui.utils.enable
+import java.text.SimpleDateFormat
+import java.util.*
+
+class SaveScreen : PickerScreen() {
+    val textField = TextField("", skin)
+
+    init {
+        val currentSaves = Table()
+
+        currentSaves.add(Label("Current saves:",skin)).row()
+        val saves = GameSaver.getSaves()
+        saves.forEach {
+            val textButton = TextButton(it, skin)
+            textButton.addClickListener {
+                textField.text = it
+            }
+            currentSaves.add(textButton).pad(5f).row()
+
+        }
+        topTable.add(currentSaves)
+
+
+        val newSave = Table()
+        val defaultSaveName = SimpleDateFormat("dd-MM-yy HH.mm").format(Date())+
+                "   Turn "+ UnCivGame.Current.gameInfo.turns
+        textField.text = defaultSaveName
+
+        newSave.add(Label("Saved game name:",skin)).row()
+        newSave.add(textField).width(300f)
+
+        topTable.add(newSave)
+        topTable.pack()
+
+        rightSideButton.setText("Save game")
+        rightSideButton.addClickListener {
+            GameSaver.saveGame(UnCivGame.Current.gameInfo, textField.text)
+            UnCivGame.Current.setWorldScreen()
+        }
+        rightSideButton.enable()
+    }
+
+}

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

@@ -10,33 +10,34 @@ import com.unciv.ui.utils.disable
 
 open class PickerScreen : CameraStageBaseScreen() {
 
-    internal var closeButton: TextButton
+    internal var closeButton: TextButton = TextButton("Close", CameraStageBaseScreen.skin)
     protected var descriptionLabel: Label
+    protected var rightSideGroup = VerticalGroup()
     protected var rightSideButton: TextButton
-    internal var screenSplit = 0.85f
+    private var screenSplit = 0.85f
     protected var topTable: Table
+    var bottomTable:Table = Table()
     internal var splitPane: SplitPane
 
     init {
-        val buttonTable = Table()
 
-        closeButton = TextButton("Close", CameraStageBaseScreen.skin)
         closeButton.addClickListener {
                 game.setWorldScreen()
                 dispose()
             }
-        buttonTable.add(closeButton).width(stage.width / 4)
+        bottomTable.add(closeButton).width(stage.width / 4)
 
         descriptionLabel = Label("", CameraStageBaseScreen.skin)
         descriptionLabel.setWrap(true)
         descriptionLabel.setFontScale(game.settings.labelScale)
         descriptionLabel.width = stage.width / 2
-        buttonTable.add(descriptionLabel).pad(5f).width(stage.width / 2)
+        bottomTable.add(descriptionLabel).pad(5f).width(stage.width / 2)
 
         rightSideButton = TextButton("", CameraStageBaseScreen.skin)
-        buttonTable.add(rightSideButton).width(stage.width / 4)
-        buttonTable.height = stage.height * (1 - screenSplit)
-        buttonTable.align(Align.center)
+        rightSideGroup.addActor(rightSideButton)
+        bottomTable.add(rightSideGroup).width(stage.width / 4)
+        bottomTable.height = stage.height * (1 - screenSplit)
+        bottomTable.align(Align.center)
         rightSideButton.disable()
 
         topTable = Table()
@@ -44,7 +45,7 @@ open class PickerScreen : CameraStageBaseScreen() {
 
         scrollPane.setSize(stage.width, stage.height * screenSplit)
 
-        splitPane = SplitPane(scrollPane, buttonTable, true, CameraStageBaseScreen.skin)
+        splitPane = SplitPane(scrollPane, bottomTable, true, CameraStageBaseScreen.skin)
         splitPane.setSplitAmount(screenSplit)
         splitPane.setFillParent(true)
         stage.addActor(splitPane)

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

@@ -4,7 +4,6 @@ import com.badlogic.gdx.Gdx
 import com.badlogic.gdx.files.FileHandle
 import com.badlogic.gdx.utils.Json
 import com.unciv.logic.GameInfo
-import com.unciv.UnCivGame
 
 object GameSaver {
     private const val saveFilesFolder = "SaveFiles"
@@ -13,12 +12,21 @@ object GameSaver {
         return Gdx.files.local("$saveFilesFolder/$GameName")
     }
 
-    fun saveGame(game: UnCivGame, GameName: String) {
-        getSave(GameName).writeString(Json().toJson(game.gameInfo), false)
+    fun getSaves(): List<String> {
+        return Gdx.files.local(saveFilesFolder).list().map { it.name() }
     }
 
-    fun loadGame(game: UnCivGame, GameName: String) {
-        game.gameInfo = Json().fromJson(GameInfo::class.java, getSave(GameName).readString())
-        game.gameInfo.setTransients()
+    fun saveGame(game: GameInfo, GameName: String) {
+        getSave(GameName).writeString(Json().toJson(game), false)
+    }
+
+    fun loadGame(GameName: String) : GameInfo {
+        val game = Json().fromJson(GameInfo::class.java, getSave(GameName).readString())
+        game.setTransients()
+        return game
+    }
+
+    fun deleteSave(GameName: String){
+        getSave(GameName).delete()
     }
 }

core/src/com/unciv/ui/worldscreen/BattleTable.kt

@@ -1,5 +1,6 @@
 package com.unciv.ui.worldscreen
 
+import com.badlogic.gdx.graphics.Color
 import com.badlogic.gdx.scenes.scene2d.ui.Label
 import com.badlogic.gdx.scenes.scene2d.ui.Table
 import com.badlogic.gdx.scenes.scene2d.ui.TextButton
@@ -8,6 +9,7 @@ import com.unciv.logic.map.TileInfo
 import com.unciv.logic.map.UnitType
 import com.unciv.ui.cityscreen.addClickListener
 import com.unciv.ui.utils.CameraStageBaseScreen
+import com.unciv.ui.utils.ImageGetter
 import com.unciv.ui.utils.disable
 import kotlin.math.max
 
@@ -18,10 +20,15 @@ class BattleTable(val worldScreen: WorldScreen): Table() {
         skin = CameraStageBaseScreen.skin
     }
 
+    fun hide(){
+        clear()
+        background=null
+    }
+
     fun update() {
         if (worldScreen.unitTable.selectedUnit == null
                 || worldScreen.unitTable.selectedUnit!!.getBaseUnit().unitType == UnitType.Civilian){
-            clear()
+            hide()
             return
         } // no attacker
 
@@ -38,16 +45,14 @@ class BattleTable(val worldScreen: WorldScreen): Table() {
                 && worldScreen.civInfo.getViewableTiles().contains(selectedTile))
             defender = MapUnitCombatant(selectedTile.unit!!)
         else {
-            clear()
+            hide()
             return
         }
         simulateBattle(attacker, defender)
-
     }
 
     fun simulateBattle(attacker: MapUnitCombatant, defender: ICombatant){
         clear()
-
         row().pad(5f)
         val attackerLabel = Label(attacker.getName(), skin)
         attackerLabel.style= Label.LabelStyle(attackerLabel.style)
@@ -81,10 +86,10 @@ class BattleTable(val worldScreen: WorldScreen): Table() {
         var damageToAttacker = battle.calculateDamageToAttacker(attacker,defender)
 
 
-        if (damageToAttacker>attacker.getHealth() && damageToDefender>defender.getHealth() // when damage exceeds health, we don't want to show negative health numbers
+        if (damageToAttacker>attacker.getHealth() && damageToDefender>defender.getHealth()) // when damage exceeds health, we don't want to show negative health numbers
         // Also if both parties are supposed to die it's not indicative of who is more likely to win
         // So we "normalize" the damages until one dies
-        ) {
+        {
             if(damageToDefender/defender.getHealth().toFloat() > damageToAttacker/attacker.getHealth().toFloat()) // defender dies quicker ie first
             {
                 // Both damages *= (defender.health/damageToDefender)
@@ -150,6 +155,13 @@ class BattleTable(val worldScreen: WorldScreen): Table() {
         add(attackButton).colspan(2)
 
         pack()
+
+        val tileTableBackground = ImageGetter.getDrawable("skin/tileTableBackground.png")
+                .tint(Color(0x004085bf))
+        tileTableBackground.minHeight = 0f
+        tileTableBackground.minWidth = 0f
+        background = tileTableBackground
+
         setPosition(worldScreen.stage.width/2-width/2, 5f)
     }
 

core/src/com/unciv/ui/worldscreen/WorldScreen.kt

@@ -120,7 +120,7 @@ class WorldScreen : CameraStageBaseScreen() {
 
             game.gameInfo.nextTurn()
             unitTable.currentlyExecutingAction = null
-            GameSaver.saveGame(game, "Autosave")
+            GameSaver.saveGame(game.gameInfo, "Autosave")
             update()
             displayTutorials("NextTurn")
         }

core/src/com/unciv/ui/worldscreen/WorldScreenOptionsTable.kt

@@ -5,6 +5,8 @@ import com.badlogic.gdx.scenes.scene2d.ui.Table
 import com.badlogic.gdx.scenes.scene2d.ui.TextButton
 import com.unciv.logic.civilization.CivilizationInfo
 import com.unciv.ui.CivilopediaScreen
+import com.unciv.ui.LoadScreen
+import com.unciv.ui.SaveScreen
 import com.unciv.ui.ScienceVictoryScreen
 import com.unciv.ui.cityscreen.addClickListener
 import com.unciv.ui.pickerscreens.PolicyPickerScreen
@@ -17,7 +19,6 @@ class WorldScreenOptionsTable internal constructor(worldScreen: WorldScreen, pri
         val tileTableBackground = ImageGetter.getDrawable("skin/tileTableBackground.png")
                 .tint(Color(0x004085bf))
         background = tileTableBackground
-
         isVisible = false
 
         val openCivilopediaButton = TextButton("Civilopedia", CameraStageBaseScreen.skin)
@@ -25,32 +26,42 @@ class WorldScreenOptionsTable internal constructor(worldScreen: WorldScreen, pri
             worldScreen.game.screen = CivilopediaScreen()
             isVisible = false
         }
-        add(openCivilopediaButton).pad(10f)
-        row()
+        add(openCivilopediaButton).pad(10f).row()
 
+        val LoadGameButton = TextButton("Load game", CameraStageBaseScreen.skin)
+        LoadGameButton .addClickListener {
+            worldScreen.game.screen = LoadScreen()
+            isVisible=false
+        }
+        add(LoadGameButton ).pad(10f).row()
+
+
+        val SaveGameButton = TextButton("Save game", CameraStageBaseScreen.skin)
+        SaveGameButton .addClickListener {
+            worldScreen.game.screen = SaveScreen()
+            isVisible=false
+        }
+        add(SaveGameButton ).pad(10f).row()
         val StartNewGameButton = TextButton("Start new game", CameraStageBaseScreen.skin)
         StartNewGameButton.addClickListener { worldScreen.game.startNewGame(true) }
-
-        add(StartNewGameButton).pad(10f)
-        row()
+        add(StartNewGameButton).pad(10f).row()
 
         val OpenScienceVictoryScreen = TextButton("Science victory status", CameraStageBaseScreen.skin)
         OpenScienceVictoryScreen.addClickListener {
             worldScreen.game.screen = ScienceVictoryScreen(this@WorldScreenOptionsTable.civInfo)
         }
-        add(OpenScienceVictoryScreen).pad(10f)
-        row()
+        add(OpenScienceVictoryScreen).pad(10f).row()
 
         val OpenPolicyPickerScreen = TextButton("Social Policies", CameraStageBaseScreen.skin)
         OpenPolicyPickerScreen.addClickListener {
             worldScreen.game.screen = PolicyPickerScreen(this@WorldScreenOptionsTable.civInfo)
         }
-        add(OpenPolicyPickerScreen).pad(10f)
-        row()
+        add(OpenPolicyPickerScreen).pad(10f).row()
 
         val closeButton = TextButton("Close", CameraStageBaseScreen.skin)
         closeButton.addClickListener { isVisible = false }
         add(closeButton).pad(10f)
+
         pack() // Needed to show the background.
         setPosition(worldScreen.stage.width / 2 - width / 2,
                 worldScreen.stage.height / 2 - height / 2)