much simpler way of composing savegame.json

src/net/torvald/terrarum/console/CommandDict.kt

@@ -59,7 +59,7 @@ object CommandDict {
             "spawnlunarlander" to SpawnPhysTestLunarLander,
             "savetest" to SavegameWriterTest,
 
-            /* !! */"exportlayer" to ExportLayerData,
+            /* !! */"exportmeta" to ExportMeta,
             /* !! */"importlayer" to ImportLayerData,
             /* !! */"exportfborgb" to ExportRendererFboRGB
     )

src/net/torvald/terrarum/gameactors/ActorWithBody.kt

@@ -295,7 +295,6 @@ open class ActorWithBody(renderOrder: RenderOrder, val physProp: PhysProperties,
 
     @Transient private var assertPrinted = false
 
-    // debug only
     internal var walledLeft = false
     internal var walledRight = false
     internal var walledTop = false    // UNUSED; only for BasicDebugInfoWindow

src/net/torvald/terrarum/modulebasegame/console/ExportMeta.kt

@@ -13,22 +13,22 @@ import java.io.IOException
 /**
  * Created by minjaesong on 2017-07-18.
  */
-object ExportLayerData : ConsoleCommand {
+object ExportMeta : ConsoleCommand {
     override fun execute(args: Array<String>) {
         try {
             val str = WriteMeta(Terrarum.ingame!! as TerrarumIngame).invoke()
             val writer = java.io.FileWriter(AppLoader.defaultDir + "/Exports/savegame.json", false)
             writer.write(str)
             writer.close()
-            Echo("Exportlayer: exported to savegame.json")
+            Echo("Exportmeta: exported to savegame.json")
         }
         catch (e: IOException) {
-            Echo("Exportlayer: IOException raised.")
+            Echo("Exportmeta: IOException raised.")
             e.printStackTrace()
         }
     }
 
     override fun printUsage() {
-        Echo("Usage: exportlayer")
+        Echo("Usage: Exportmeta")
     }
 }

src/net/torvald/terrarum/modulebasegame/gameactors/ActorHumanoid.kt

@@ -127,8 +127,8 @@ open class ActorHumanoid(
     internal var walkCounterY = 0
     @Transient private val MAX_JUMP_LENGTH = 25 // manages "heaviness" of the jump control. Higher = heavier
 
-    private var readonly_totalX = 0.0
-    private var readonly_totalY = 0.0
+    @Transient private var readonly_totalX = 0.0
+    @Transient private var readonly_totalY = 0.0
 
     internal var jumping = false
 
@@ -531,11 +531,11 @@ open class ActorHumanoid(
         return pwr * timedJumpCharge * JUMP_ACCELERATION_MOD * Math.sqrt(scale) // positive value
     }
 
-    private var oldMAX_JUMP_LENGTH = -1 // init
-    private var oldJUMPPOWER = -1.0 // init
-    private var oldJUMPPOWERBUFF = -1.0 // init
-    private var oldScale = -1.0
-    private var oldDragCoefficient = -1.0
+    @Transient private var oldMAX_JUMP_LENGTH = -1 // init
+    @Transient private var oldJUMPPOWER = -1.0 // init
+    @Transient private var oldJUMPPOWERBUFF = -1.0 // init
+    @Transient private var oldScale = -1.0
+    @Transient private var oldDragCoefficient = -1.0
     // used by some AIs
     var jumpAirTime: Double = -1.0
         get() {

src/net/torvald/terrarum/serialise/WriteMeta.kt

@@ -1,6 +1,7 @@
 package net.torvald.terrarum.serialise
 
 import com.badlogic.gdx.utils.Json
+import com.badlogic.gdx.utils.JsonValue
 import com.badlogic.gdx.utils.JsonWriter
 import net.torvald.terrarum.ModMgr
 import net.torvald.terrarum.gameworld.BlockLayer
@@ -18,58 +19,51 @@ open class WriteMeta(val ingame: TerrarumIngame) {
     open fun invoke(): String {
         val world = ingame.world
         
-        val props = hashMapOf<String, Any>(
-            "genver" to 4,
-            "savename" to world.worldName,
-            "terrseed" to world.generatorSeed,
-            "randseed0" to RoguelikeRandomiser.RNG.state0,
-            "randseed1" to RoguelikeRandomiser.RNG.state1,
-            "weatseed0" to WeatherMixer.RNG.state0,
-            "weatseed1" to WeatherMixer.RNG.state1,
-            "playerid" to ingame.theRealGamer.referenceID,
-            "creation_t" to world.creationTime,
-            "lastplay_t" to world.lastPlayTime,
-            "playtime_t" to world.totalPlayTime,
-
-            // CSVs
-            "blocks" to StringBuilder().let {
-                ModMgr.getFilesFromEveryMod("blocks/blocks.csv").forEach { (modname, file) ->
-                    it.append("\n\n## module: $modname ##\n\n")
-                    it.append(file.readText())
-                }
-                bytesToZipdStr(it.toString().toByteArray())
-            },
-
-            "items" to StringBuilder().let {
-                ModMgr.getFilesFromEveryMod("items/itemid.csv").forEach { (modname, file) ->
-                    it.append("\n\n## module: $modname ##\n\n")
-                    it.append(file.readText())
-                }
-                bytesToZipdStr(it.toString().toByteArray())
-            },
-
-            "wires" to StringBuilder().let {
-                ModMgr.getFilesFromEveryMod("wires/wires.csv").forEach { (modname, file) ->
-                    it.append("\n\n## module: $modname ##\n\n")
-                    it.append(file.readText())
-                }
-                bytesToZipdStr(it.toString().toByteArray())
-            },
-
-            // TODO fluids
-            "materials" to StringBuilder().let {
-                ModMgr.getFilesFromEveryMod("materials/materials.csv").forEach { (modname, file) ->
-                    it.append("\n\n## module: $modname ##\n\n")
-                    it.append(file.readText())
-                }
-                bytesToZipdStr(it.toString().toByteArray())
-            },
-
-            "loadorder" to ModMgr.loadOrder,
-            "worlds" to ingame.gameworldIndices
-        )
+        val json = """{
+"genver": 4,
+"savename": "${world.worldName}",
+"terrseed": ${world.generatorSeed},
+"randseed0": ${RoguelikeRandomiser.RNG.state0},
+"randseed1": ${RoguelikeRandomiser.RNG.state1},
+"weatseed0": ${WeatherMixer.RNG.state0},
+"weatseed1": ${WeatherMixer.RNG.state1},
+"playerid": ${ingame.theRealGamer.referenceID},
+"creation_t": ${world.creationTime},
+"lastplay_t": ${world.lastPlayTime},
+"playtime_t": ${world.totalPlayTime},
+"blocks": "${StringBuilder().let {
+    ModMgr.getFilesFromEveryMod("blocks/blocks.csv").forEach { (modname, file) ->
+        it.append("\n\n## module: $modname ##\n\n")
+        it.append(file.readText())
+    }
+    bytesToZipdStr(it.toString().toByteArray())
+}}",
+"items": "${StringBuilder().let {
+    ModMgr.getFilesFromEveryMod("items/itemid.csv").forEach { (modname, file) ->
+        it.append("\n\n## module: $modname ##\n\n")
+        it.append(file.readText())
+    }
+    bytesToZipdStr(it.toString().toByteArray())
+}}",
+"wires": "${StringBuilder().let {
+    ModMgr.getFilesFromEveryMod("wires/wires.csv").forEach { (modname, file) ->
+        it.append("\n\n## module: $modname ##\n\n")
+        it.append(file.readText())
+    }
+    bytesToZipdStr(it.toString().toByteArray())
+}}",
+"materials": "${StringBuilder().let {
+    ModMgr.getFilesFromEveryMod("materials/materials.csv").forEach { (modname, file) ->
+        it.append("\n\n## module: $modname ##\n\n")
+        it.append(file.readText())
+    }
+    bytesToZipdStr(it.toString().toByteArray())
+}}",
+"loadorder": [${ModMgr.loadOrder.map { "\"${it}\"" }.joinToString()}],
+"worlds": [${ingame.gameworldIndices.joinToString()}]
+}"""
         
-        return Json(JsonWriter.OutputType.json).toJson(props)
+        return json
     }
 
     /**