added a typewriter (no gui)

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

@@ -0,0 +1,42 @@
+package net.torvald.terrarum.modulebasegame.gameactors
+
+import net.torvald.terrarum.gameactors.AVKey
+import net.torvald.terrarum.langpack.Lang
+
+/**
+ * Created by minjaesong on 2022-08-26.
+ */
+class FixtureTypewriter : FixtureBase {
+
+    var typewriterKeymapName = "us_qwerty" // used to control the keyboard input behaviour
+        private set
+
+    private var carriagePosition = 0
+
+    // constructor used when new typewriter is created
+    constructor(keymapName: String) : this() {
+        typewriterKeymapName = keymapName
+    }
+
+    // constructor used when the game loads from the savefile
+    constructor() : super(
+            BlockBox(BlockBox.NO_COLLISION, 1, 1),
+            nameFun = { Lang["ITEM_TYPEWRITER"] }
+    ) {
+
+        density = 2000.0
+
+        setHitboxDimension(16, 16, 8, 0)
+
+        makeNewSprite(FixtureBase.getSpritesheet("basegame", "sprites/fixtures/typewriter.tga", 32, 16)).let {
+            it.setRowsAndFrames(1,1)
+        }
+
+        actorValue[AVKey.BASEMASS] = 3.6
+    }
+
+    companion object {
+        const val TYPEWRITER_COLUMNS = 64
+    }
+
+}

src/net/torvald/terrarum/modulebasegame/gameitems/ItemTypewriter.kt

@@ -0,0 +1,30 @@
+package net.torvald.terrarum.modulebasegame.gameitems
+
+import com.badlogic.gdx.graphics.g2d.TextureRegion
+import net.torvald.terrarum.gameitems.ItemID
+import net.torvald.terrarum.itemproperties.Material
+import net.torvald.terrarum.modulebasegame.gameactors.FixtureTikiTorch
+
+/**
+ * Created by minjaesong on 2022-08-26.
+ */
+class ItemTypewriter(originalID: ItemID) : FixtureItemBase(originalID, "net.torvald.terrarum.modulebasegame.gameactors.FixtureTypewriter") {
+
+    override var dynamicID: ItemID = originalID
+    override val originalName = "ITEM_TYPEWRITER"
+    override var baseMass = FixtureTikiTorch.MASS
+    override var stackable = true
+    override var inventoryCategory = Category.MISC
+    override val isUnique = false
+    override val isDynamic = false
+    override val material = Material()
+    override val itemImage: TextureRegion
+        get() = getItemImageFromSheet("basegame", "sprites/fixtures/typewriter.tga", 32, 16)
+
+    override var baseToolSize: Double? = baseMass
+
+    init {
+        equipPosition = EquipPosition.HAND_GRIP
+    }
+
+}

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

@@ -56,8 +56,8 @@ object Common {
                 json.writeValue(obj?.toString())
             }
 
-            override fun read(json: Json, jsonData: JsonValue, type: Class<*>?): BigInteger {
-                return BigInteger(jsonData.asString())
+            override fun read(json: Json, jsonData: JsonValue, type: Class<*>?): BigInteger? {
+                return if (jsonData.isNull) null else BigInteger(jsonData.asString())
             }
         })
         // ZipCodedStr
@@ -186,8 +186,8 @@ object Common {
                 json.writeValue(obj.toString())
             }
 
-            override fun read(json: Json, jsonData: JsonValue, type: Class<*>?): UUID {
-                return UUID.fromString(jsonData.asString())
+            override fun read(json: Json, jsonData: JsonValue, type: Class<*>?): UUID? {
+                return if (jsonData.isNull) null else UUID.fromString(jsonData.asString())
             }
         })
         // HQRNG
@@ -209,8 +209,8 @@ object Common {
                 json.writeValue(bytesToZipdStr(obj.iterator()))
             }
 
-            override fun read(json: Json, jsonData: JsonValue, type: Class<*>?): ByteArray {
-                return strToBytes(StringReader(jsonData.asString())).toByteArray()
+            override fun read(json: Json, jsonData: JsonValue, type: Class<*>?): ByteArray? {
+                return if (jsonData.isNull) return null else strToBytes(StringReader(jsonData.asString())).toByteArray()
             }
         })
     }