more world save and virtualdisk lib update

src/net/torvald/terrarum/gameworld/GameWorld.kt

@@ -682,62 +682,3 @@ inline class FluidType(val value: Int) {
     fun abs() = this.value.absoluteValue
 }
 
-
-/**
- * @param b a BlockLayer
- * @return Bytes in [b] which are GZip'd then Ascii85-encoded
- */
-fun blockLayerToStr(b: BlockLayer): String {
-    val sb = StringBuilder()
-    val bo = ByteArray64GrowableOutputStream()
-    val zo = GZIPOutputStream(bo)
-
-    b.bytesIterator().forEachRemaining {
-        zo.write(it.toInt())
-    }
-    zo.flush(); zo.close()
-
-    val ba = bo.toByteArray64()
-    var bai = 0
-    val buf = IntArray(4) { Ascii85.PAD_BYTE }
-    ba.forEach {
-        if (bai > 0 && bai % 4 == 0) {
-            sb.append(Ascii85.encode(buf[0], buf[1], buf[2], buf[3]))
-            buf.fill(Ascii85.PAD_BYTE)
-        }
-
-        buf[bai % 4] = it.toInt() and 255
-
-        bai += 1
-    }; sb.append(Ascii85.encode(buf[0], buf[1], buf[2], buf[3]))
-
-    return sb.toString()
-}
-
-/**
- * @param b a BlockLayer
- * @return Bytes in [b] which are LZMA'd then Ascii85-encoded
- */
-fun blockLayerToStr2(b: BlockLayer): String {
-    val sb = StringBuilder()
-    val bi = UnsafePtrInputStream(b.ptr)
-    val bo = ByteArray64GrowableOutputStream()
-
-    Lzma.compress(bi, bo); bo.flush(); bo.close()
-
-    val ba = bo.toByteArray64()
-    var bai = 0
-    val buf = IntArray(4) { Ascii85.PAD_BYTE }
-    ba.forEach {
-        if (bai > 0 && bai % 4 == 0) {
-            sb.append(Ascii85.encode(buf[0], buf[1], buf[2], buf[3]))
-            buf.fill(Ascii85.PAD_BYTE)
-        }
-
-        buf[bai % 4] = it.toInt() and 255
-
-        bai += 1
-    }; sb.append(Ascii85.encode(buf[0], buf[1], buf[2], buf[3]))
-
-    return sb.toString()
-}