working ItemFileRef instantiation and serialisation

assets/mods/basegame/items/itemid.csv

@@ -153,6 +153,8 @@ id;classname;tags
 # data storage (text signs; 256)
 33280;net.torvald.terrarum.modulebasegame.gameitems.ItemTextSignCopper;FIXTURE,BASEOBJECT
 
+# data storage (typewritten leaflets; 256)
+33536;net.torvald.terrarum.modulebasegame.gameitems.ItemFileRef;FIXTURE,BASEOBJECT
 
 
 # fluids on storage

src/net/torvald/terrarum/App.java

@@ -6,6 +6,7 @@ import com.badlogic.gdx.audio.Music;
 import com.badlogic.gdx.backends.lwjgl3.Lwjgl3ApplicationConfiguration;
 import com.badlogic.gdx.backends.lwjgl3.TerrarumLwjgl3Application;
 import com.badlogic.gdx.controllers.Controllers;
+import com.badlogic.gdx.files.FileHandle;
 import com.badlogic.gdx.graphics.*;
 import com.badlogic.gdx.graphics.Color;
 import com.badlogic.gdx.graphics.g2d.TextureRegion;
@@ -51,6 +52,7 @@ import net.torvald.unsafe.UnsafeHelper;
 import net.torvald.util.DebugTimers;
 import org.apache.commons.csv.CSVFormat;
 import org.apache.commons.csv.CSVParser;
+import org.jetbrains.annotations.Nullable;
 import org.lwjgl.PointerBuffer;
 import org.lwjgl.glfw.GLFW;
 

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

@@ -1,8 +1,16 @@
 package net.torvald.terrarum.modulebasegame.gameactors
 
 import net.torvald.spriteanimation.SheetSpriteAnimation
+import net.torvald.terrarum.App
+import net.torvald.terrarum.App.printdbg
+import net.torvald.terrarum.INGAME
+import net.torvald.terrarum.Terrarum
 import net.torvald.terrarum.gameactors.AVKey
 import net.torvald.terrarum.langpack.Lang
+import net.torvald.terrarum.modulebasegame.gameitems.FileRefItemPrimaryUseHandler
+import net.torvald.terrarum.modulebasegame.gameitems.ItemFileRef
+import net.torvald.terrarum.serialise.Common
+import java.util.*
 import kotlin.math.roundToInt
 
 /**
@@ -41,7 +49,7 @@ class FixtureTypewriter : FixtureBase {
     override fun updateImpl(delta: Float) {
         super.updateImpl(delta)
 
-        (sprite as SheetSpriteAnimation).currentRow = 1 + (carriagePosition.toFloat() / TYPEWRITER_COLUMNS * 10).roundToInt()
+        //(sprite as SheetSpriteAnimation).currentRow = 1 + (carriagePosition.toFloat() / TYPEWRITER_COLUMNS * 10).roundToInt()
     }
 
     companion object {
@@ -49,4 +57,42 @@ class FixtureTypewriter : FixtureBase {
         const val TYPEWRITER_ROWS = 30
     }
 
+    override fun onInteract(mx: Double, my: Double) {
+        printdbg(this, "Typewriter onInteract")
+        // test spit out ItemFileRef item
+
+        val textFileContents = """This is a test of creating ItemFileRef item in-game.
+            |Caller: ${this.javaClass.canonicalName}
+        """.trimMargin()
+
+        val newUUID = UUID.randomUUID()
+        Terrarum.getSharedSaveFiledesc(newUUID.toString()).let {
+            printdbg(this, "FilePath: ${it.path}")
+            it.writeText(textFileContents, Common.CHARSET)
+        }
+
+        // DON'T create an anonymous class here: they won't be serialised
+        INGAME.actorNowPlaying?.inventory?.let { inventory ->
+            val newItem = ItemFileRef("item@basegame:33536").makeDynamic(inventory).also { it0 ->
+                val it = it0 as ItemFileRef
+
+                it.refIsShared = true
+                it.uuid = newUUID
+                it.refPath = newUUID.toString()
+                it.mediumIdentifier = "text/typewriter"
+                it.useItemHandler = "net.torvald.terrarum.modulebasegame.gameactors.TestLeafletPrimaryUseHandler"
+                it.name = "Testification"
+                it.author = "Author Name Here"
+            }
+
+            inventory.add(newItem)
+        }
+    }
+}
+
+internal class TestLeafletPrimaryUseHandler : FileRefItemPrimaryUseHandler {
+    override fun use(item: ItemFileRef): Long {
+        println(item.getAsFile().readText(Common.CHARSET))
+        return 0L
+    }
 }

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

@@ -16,6 +16,10 @@ import java.util.UUID
  */
 open class ItemFileRef(originalID: ItemID) : GameItem(originalID) {
 
+    private constructor() : this("")
+
+    /*var name is defined in GameItem*/
+
     var author = ""
     var collection = ""
 
@@ -98,6 +102,8 @@ open class ItemFileRef(originalID: ItemID) : GameItem(originalID) {
     @Transient private var classCache: FileRefItemPrimaryUseHandler? = null
 
     override fun startPrimaryUse(actor: ActorWithBody, delta: Float): Long {
+//        println("Use item! handler=${useItemHandler}; cache=${classCache?.javaClass?.canonicalName}")
+
         return if (useItemHandler.isNotBlank()) {
             try {
                 if (classCache == null) {