From f8411ea1e5865e6d512e4673f4d59255a078e169 Mon Sep 17 00:00:00 2001
From: Senmori <thesenmori@gmail.com>
Date: Mon, 12 Feb 2018 10:29:51 +1100
Subject: [PATCH] Expand Structure Block API

---
 nms-patches/TileEntityStructure.patch         |  36 ++++
 .../block/CraftStructureBlock.java            | 172 +++++++++++++++++-
 2 files changed, 207 insertions(+), 1 deletion(-)
 create mode 100644 nms-patches/TileEntityStructure.patch

diff --git a/nms-patches/TileEntityStructure.patch b/nms-patches/TileEntityStructure.patch
new file mode 100644
index 0000000000..f7f05e4cfe
--- /dev/null
+++ b/nms-patches/TileEntityStructure.patch
@@ -0,0 +1,36 @@
+--- a/net/minecraft/server/TileEntityStructure.java
++++ b/net/minecraft/server/TileEntityStructure.java
+@@ -10,20 +10,20 @@
+ 
+ public class TileEntityStructure extends TileEntity {
+ 
+-    private String a = "";
+-    private String f = "";
+-    private String g = "";
+-    private BlockPosition h = new BlockPosition(0, 1, 0);
+-    private BlockPosition i;
+-    private EnumBlockMirror j;
+-    private EnumBlockRotation k;
+-    private TileEntityStructure.UsageMode l;
+-    private boolean m;
++    private String a = ""; // PAIL: rename name
++    public String f = ""; // PAIL: private -> public
++    public String g = ""; // PAIL: private -> public
++    public BlockPosition h = new BlockPosition(0, 1, 0); // PAIL: private -> public
++    public BlockPosition i; // PAIL: private -> public
++    public EnumBlockMirror j; // PAIL: private -> public
++    public EnumBlockRotation k; // PAIL: private -> public
++    private TileEntityStructure.UsageMode l; // PAIL: rename
++    public boolean m; // PAIL: private -> public
+     private boolean n;
+-    private boolean o;
+-    private boolean p;
+-    private float q;
+-    private long r;
++    public boolean o; // PAIL: private -> public
++    public boolean p; // PAIL: private -> public
++    public float q; // PAIL: private -> public
++    public long r; // PAIL: private -> public
+ 
+     public TileEntityStructure() {
+         this.i = BlockPosition.ZERO;
diff --git a/src/main/java/org/bukkit/craftbukkit/block/CraftStructureBlock.java b/src/main/java/org/bukkit/craftbukkit/block/CraftStructureBlock.java
index ecf12ee380..536c81318d 100644
--- a/src/main/java/org/bukkit/craftbukkit/block/CraftStructureBlock.java
+++ b/src/main/java/org/bukkit/craftbukkit/block/CraftStructureBlock.java
@@ -1,10 +1,24 @@
 package org.bukkit.craftbukkit.block;
 
+import com.google.common.base.Preconditions;
+import net.minecraft.server.BlockPosition;
+import net.minecraft.server.EnumBlockMirror;
+import net.minecraft.server.EnumBlockRotation;
 import net.minecraft.server.TileEntityStructure;
+import org.apache.commons.lang3.Validate;
 import org.bukkit.Material;
 import org.bukkit.block.Block;
+import org.bukkit.block.Structure;
+import org.bukkit.block.structure.Mirror;
+import org.bukkit.block.structure.StructureRotation;
+import org.bukkit.block.structure.UsageMode;
+import org.bukkit.craftbukkit.entity.CraftLivingEntity;
+import org.bukkit.entity.LivingEntity;
+import org.bukkit.util.BlockVector;
 
-public class CraftStructureBlock extends CraftBlockEntityState<TileEntityStructure> {
+public class CraftStructureBlock extends CraftBlockEntityState<TileEntityStructure> implements Structure {
+
+    private static final int MAX_SIZE = 32;
 
     public CraftStructureBlock(Block block) {
         super(block, TileEntityStructure.class);
@@ -13,4 +27,160 @@ public class CraftStructureBlock extends CraftBlockEntityState<TileEntityStructu
     public CraftStructureBlock(Material material, TileEntityStructure structure) {
         super(material, structure);
     }
+
+    @Override
+    public String getStructureName() {
+        return getSnapshot().a(); // PAIL: rename getStructureName
+    }
+
+    @Override
+    public void setStructureName(String name) {
+        Preconditions.checkArgument(name != null, "Structure Name cannot be null");
+        getSnapshot().a(name); // PAIL: rename setStructureName
+    }
+
+    @Override
+    public String getAuthor() {
+        return getSnapshot().f;
+    }
+
+    @Override
+    public void setAuthor(String author) {
+        Preconditions.checkArgument(author != null && !author.isEmpty(), "Author name cannot be null nor empty");
+        getSnapshot().f = author; // PAIL: rename author
+    }
+
+    @Override
+    public void setAuthor(LivingEntity entity) {
+        Preconditions.checkArgument(entity != null, "Structure Block author entity cannot be null");
+        getSnapshot().a(((CraftLivingEntity) entity).getHandle()); // PAIL: rename setAuthor
+    }
+
+    @Override
+    public BlockVector getRelativePosition() {
+        return new BlockVector(getSnapshot().h.getX(), getSnapshot().h.getY(), getSnapshot().h.getZ()); // PAIL: rename relativePosition
+    }
+
+    @Override
+    public void setRelativePosition(BlockVector vector) {
+        Validate.isTrue(isBetween(vector.getBlockX(), -MAX_SIZE, MAX_SIZE), "Structure Size (X) must be between -" + MAX_SIZE + " and " + MAX_SIZE);
+        Validate.isTrue(isBetween(vector.getBlockY(), -MAX_SIZE, MAX_SIZE), "Structure Size (Y) must be between -" + MAX_SIZE + " and " + MAX_SIZE);
+        Validate.isTrue(isBetween(vector.getBlockZ(), -MAX_SIZE, MAX_SIZE), "Structure Size (Z) must be between -" + MAX_SIZE + " and " + MAX_SIZE);
+        getSnapshot().h = new BlockPosition(vector.getBlockX(), vector.getBlockY(), vector.getBlockZ()); // PAIL: rename relativePosition
+    }
+
+    @Override
+    public BlockVector getStructureSize() {
+        return new BlockVector(getSnapshot().i.getX(), getSnapshot().i.getY(), getSnapshot().i.getZ()); // PAIL: rename size
+    }
+
+    @Override
+    public void setStructureSize(BlockVector vector) {
+        Validate.isTrue(isBetween(vector.getBlockX(), 0, MAX_SIZE), "Structure Size (X) must be between 0 and " + MAX_SIZE);
+        Validate.isTrue(isBetween(vector.getBlockY(), 0, MAX_SIZE), "Structure Size (Y) must be between 0 and " + MAX_SIZE);
+        Validate.isTrue(isBetween(vector.getBlockZ(), 0, MAX_SIZE), "Structure Size (Z) must be between 0 and " + MAX_SIZE);
+        getSnapshot().c(new BlockPosition(vector.getBlockX(), vector.getBlockY(), vector.getBlockZ())); // PAIL: setStructureSize
+    }
+
+    @Override
+    public void setMirror(Mirror mirror) {
+        getSnapshot().j = EnumBlockMirror.valueOf(mirror.name()); // PAIL: rename mirror
+    }
+
+    @Override
+    public Mirror getMirror() {
+        return Mirror.valueOf(getSnapshot().j.name()); // PAIL: rename mirror
+    }
+
+    @Override
+    public void setRotation(StructureRotation rotation) {
+        getSnapshot().k = EnumBlockRotation.valueOf(rotation.name()); // PAIL: rename rotation
+    }
+
+    @Override
+    public StructureRotation getRotation() {
+        return StructureRotation.valueOf(getSnapshot().k.name()); // PAIL: rename rotation
+    }
+
+    @Override
+    public void setUsageMode(UsageMode mode) {
+        getSnapshot().a(TileEntityStructure.UsageMode.valueOf(mode.name())); // PAIL: rename setUsageMode
+    }
+
+    @Override
+    public UsageMode getUsageMode() {
+        return UsageMode.valueOf(getSnapshot().k().name()); // PAIL rename getUsageMode
+    }
+
+    @Override
+    public void setIgnoreEntities(boolean flag) {
+        getSnapshot().m = flag; // PAIL: rename ignoreEntities
+    }
+
+    @Override
+    public boolean isIgnoreEntities() {
+        return getSnapshot().m; // PAIL: rename ignoreEntities
+    }
+
+    @Override
+    public void setShowAir(boolean showAir) {
+        getSnapshot().o = showAir; // PAIL rename showAir
+    }
+
+    @Override
+    public boolean isShowAir() {
+        return getSnapshot().o; // PAIL: rename showAir
+    }
+
+    @Override
+    public void setBoundingBoxVisible(boolean showBoundingBox) {
+        getSnapshot().p = showBoundingBox; // PAIL: rename boundingBoxVisible
+    }
+
+    @Override
+    public boolean isBoundingBoxVisible() {
+        return getSnapshot().p; // PAIL: rename boundingBoxVisible
+    }
+
+    @Override
+    public void setIntegrity(float integrity) {
+        Validate.isTrue(isBetween(integrity, 0.0f, 1.0f), "Integrity must be between 0.0f and 1.0f");
+        getSnapshot().q = integrity; // PAIL: rename integrity
+    }
+
+    @Override
+    public float getIntegrity() {
+        return getSnapshot().q; // PAIL: rename integrity
+    }
+
+    @Override
+    public void setSeed(long seed) {
+        getSnapshot().r = seed; // PAIL: rename seed
+    }
+
+    @Override
+    public long getSeed() {
+        return getSnapshot().r; // PAIL: rename seed
+    }
+
+    @Override
+    public void setMetadata(String metadata) {
+        Validate.notNull(metadata, "Structure metadata cannot be null");
+        if (getUsageMode() == UsageMode.DATA) {
+            getSnapshot().g = metadata; // PAIL: rename metadata
+        }
+    }
+
+    @Override
+    public String getMetadata() {
+        return getSnapshot().g; // PAIL: rename metadata
+    }
+
+    private static boolean isBetween(int num, int min, int max) {
+        return num >= min && num <= max;
+    }
+
+    private static boolean isBetween(float num, float min, float max) {
+        return num >= min && num <= max;
+    }
 }