From 40a569e14efabfd30a88ddf02ddd06c087d663c4 Mon Sep 17 00:00:00 2001
From: Jesse Boyd <jessepaleg@gmail.com>
Date: Thu, 19 Apr 2018 23:55:03 +1000
Subject: [PATCH] Fixes #976

---
 .../object/io/NonCloseableInputStream.java    | 56 +++++++++++++++++++
 .../object/schematic/visualizer/SchemVis.java |  4 +-
 .../worldedit/command/PatternCommands.java    |  4 +-
 3 files changed, 61 insertions(+), 3 deletions(-)
 create mode 100644 core/src/main/java/com/boydti/fawe/object/io/NonCloseableInputStream.java

diff --git a/core/src/main/java/com/boydti/fawe/object/io/NonCloseableInputStream.java b/core/src/main/java/com/boydti/fawe/object/io/NonCloseableInputStream.java
new file mode 100644
index 00000000..15751c81
--- /dev/null
+++ b/core/src/main/java/com/boydti/fawe/object/io/NonCloseableInputStream.java
@@ -0,0 +1,56 @@
+package com.boydti.fawe.object.io;
+
+import java.io.IOException;
+import java.io.InputStream;
+
+public class NonCloseableInputStream extends InputStream {
+
+    private final InputStream parent;
+
+    public NonCloseableInputStream(InputStream parent) {
+        this.parent = parent;
+    }
+    @Override
+    public int read() throws IOException {
+        return parent.read();
+    }
+
+    @Override
+    public int read(byte[] b) throws IOException {
+        return parent.read(b);
+    }
+
+    @Override
+    public int read(byte[] b, int off, int len) throws IOException {
+        return parent.read(b, off, len);
+    }
+
+    @Override
+    public long skip(long n) throws IOException {
+        return parent.skip(n);
+    }
+
+    @Override
+    public int available() throws IOException {
+        return parent.available();
+    }
+
+    @Override
+    public void close() throws IOException {
+    }
+
+    @Override
+    public void mark(int readlimit) {
+        parent.mark(readlimit);
+    }
+
+    @Override
+    public void reset() throws IOException {
+        parent.reset();
+    }
+
+    @Override
+    public boolean markSupported() {
+        return parent.markSupported();
+    }
+}
diff --git a/core/src/main/java/com/boydti/fawe/object/schematic/visualizer/SchemVis.java b/core/src/main/java/com/boydti/fawe/object/schematic/visualizer/SchemVis.java
index af431614..2e6f97f5 100644
--- a/core/src/main/java/com/boydti/fawe/object/schematic/visualizer/SchemVis.java
+++ b/core/src/main/java/com/boydti/fawe/object/schematic/visualizer/SchemVis.java
@@ -9,6 +9,7 @@ import com.boydti.fawe.object.clipboard.LazyClipboardHolder;
 import com.boydti.fawe.object.clipboard.MultiClipboardHolder;
 import com.boydti.fawe.object.clipboard.URIClipboardHolder;
 import com.boydti.fawe.object.exception.FaweException;
+import com.boydti.fawe.object.io.NonCloseableInputStream;
 import com.boydti.fawe.object.queue.LazyFaweChunk;
 import com.boydti.fawe.object.schematic.Schematic;
 import com.boydti.fawe.util.*;
@@ -457,7 +458,8 @@ public class SchemVis extends ImmutableVirtualWorld {
                         try (FileInputStream fis = new FileInputStream(cached)) {
                             BlockVector2D dimensions = new BlockVector2D(IOUtil.readVarInt(fis), IOUtil.readVarInt(fis));
                             try (FaweInputStream in = MainUtil.getCompressedIS(fis)) {
-                                try (NBTInputStream nis = new NBTInputStream(in)) {
+                                NonCloseableInputStream nonCloseable = new NonCloseableInputStream(in);
+                                try (NBTInputStream nis = new NBTInputStream(nonCloseable)) {
 
                                     int numChunks = in.readInt();
                                     for (int i = 0; i < numChunks; i++) {
diff --git a/core/src/main/java/com/sk89q/worldedit/command/PatternCommands.java b/core/src/main/java/com/sk89q/worldedit/command/PatternCommands.java
index 0627c8df..e55cc523 100644
--- a/core/src/main/java/com/sk89q/worldedit/command/PatternCommands.java
+++ b/core/src/main/java/com/sk89q/worldedit/command/PatternCommands.java
@@ -96,7 +96,7 @@ public class PatternCommands extends MethodCommands {
 
     @Command(
             aliases = {"#simplex"},
-            desc = "Use simplex noise to randomize blocks",
+            desc = "Use simplex noise to randomize blocks. Tutorial: https://imgur.com/a/rwVAE",
             usage = "<scale=10> <pattern>",
             min = 2,
             max = 2
@@ -377,7 +377,7 @@ public class PatternCommands extends MethodCommands {
 
     @Command(
             aliases = {"#surfacespread"},
-            desc = "Applies to only blocks on a surface. Selects a block from provided pattern with a given ranomized offset [0, <distance>). e.g. Use `#existing` to randomly offset blocks in the world, or `#copy` to offset blocks in your clipboard",
+            desc = "Applies to only blocks on a surface. Selects a block from provided pattern with a given ranomized offset `[0, <distance>)`. e.g. Use `#existing` to randomly offset blocks in the world, or `#copy` to offset blocks in your clipboard",
             usage = "<distance> <pattern>",
             min = 2,
             max = 2