From 93abfe05a618eb0baa720f659db9833ab74f2c1e Mon Sep 17 00:00:00 2001
From: minjaesong <alswo9628@gmail.com>
Date: Mon, 23 Aug 2021 17:52:53 +0900
Subject: [PATCH] writeworld wip

---
 .../torvald/terrarum/serialise/WriteMeta.kt   |  7 ++-
 .../torvald/terrarum/serialise/WriteWorld.kt  | 48 +++++++++++++++++++
 2 files changed, 51 insertions(+), 4 deletions(-)
 create mode 100644 src/net/torvald/terrarum/serialise/WriteWorld.kt

diff --git a/src/net/torvald/terrarum/serialise/WriteMeta.kt b/src/net/torvald/terrarum/serialise/WriteMeta.kt
index 7dedfb506..e6f483e0c 100644
--- a/src/net/torvald/terrarum/serialise/WriteMeta.kt
+++ b/src/net/torvald/terrarum/serialise/WriteMeta.kt
@@ -3,14 +3,13 @@ package net.torvald.terrarum.serialise
 import com.badlogic.gdx.utils.Json
 import com.badlogic.gdx.utils.JsonWriter
 import net.torvald.terrarum.ModMgr
-import net.torvald.terrarum.blockproperties.BlockCodex
-import net.torvald.terrarum.blockproperties.WireCodex
-import net.torvald.terrarum.itemproperties.ItemCodex
-import net.torvald.terrarum.itemproperties.MaterialCodex
 import net.torvald.terrarum.modulebasegame.TerrarumIngame
 import net.torvald.terrarum.modulebasegame.worldgenerator.RoguelikeRandomiser
 import net.torvald.terrarum.weather.WeatherMixer
 
+/**
+ * Created by minjaesong on 2021-08-23.
+ */
 open class WriteMeta(val ingame: TerrarumIngame) {
 
     open fun invoke(): String {
diff --git a/src/net/torvald/terrarum/serialise/WriteWorld.kt b/src/net/torvald/terrarum/serialise/WriteWorld.kt
new file mode 100644
index 000000000..0f2626386
--- /dev/null
+++ b/src/net/torvald/terrarum/serialise/WriteWorld.kt
@@ -0,0 +1,48 @@
+package net.torvald.terrarum.serialise
+
+import net.torvald.terrarum.gameworld.BlockLayer
+import net.torvald.terrarum.modulecomputers.virtualcomputer.tvd.ByteArray64GrowableOutputStream
+import java.util.zip.GZIPOutputStream
+
+/**
+ * Created by minjaesong on 2021-08-23.
+ */
+class WriteWorld {
+
+    open fun invoke(): String {
+
+        
+        return ""
+    }
+
+    /**
+     * @param b a BlockLayer
+     * @return Bytes in BlockLayer, GZip'd then Ascii85-encoded
+     */
+    private 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[bai % 4] = it.toInt() and 255
+
+            bai += 1
+        }; sb.append(Ascii85.encode(buf[0], buf[1], buf[2], buf[3]))
+
+        return sb.toString()
+    }
+
+}
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