From 54450b727e169a02edb6785efe79fe6d452855a8 Mon Sep 17 00:00:00 2001
From: md_5 <git@md-5.net>
Date: Thu, 17 Nov 2016 17:24:20 +1100
Subject: [PATCH] SPIGOT-2768: Fully implement map color

---
 .../craftbukkit/inventory/CraftMetaMap.java   | 63 +++++++++++++++----
 1 file changed, 50 insertions(+), 13 deletions(-)

diff --git a/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaMap.java b/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaMap.java
index 83dfda52a0..eaa9ff88c6 100644
--- a/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaMap.java
+++ b/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaMap.java
@@ -3,27 +3,30 @@ package org.bukkit.craftbukkit.inventory;
 import java.util.Map;
 
 import net.minecraft.server.NBTTagCompound;
+import net.minecraft.server.NBTTagInt;
 import net.minecraft.server.NBTTagString;
 
+import org.bukkit.Color;
 import org.bukkit.Material;
 import org.bukkit.configuration.serialization.DelegateDeserialization;
 import org.bukkit.craftbukkit.inventory.CraftMetaItem.SerializableMeta;
 import org.bukkit.inventory.meta.MapMeta;
 
+import com.google.common.base.Preconditions;
 import com.google.common.collect.ImmutableMap;
 
 @DelegateDeserialization(SerializableMeta.class)
 class CraftMetaMap extends CraftMetaItem implements MapMeta {
     static final ItemMetaKey MAP_SCALING = new ItemMetaKey("map_is_scaling", "scaling");
     static final ItemMetaKey MAP_LOC_NAME = new ItemMetaKey("LocName", "display-loc-name");
-    static final ItemMetaKey MAP_COLOR = new ItemMetaKey("Mapcolor", "display-map-color");
+    static final ItemMetaKey MAP_COLOR = new ItemMetaKey("MapColor", "display-map-color");
     static final byte SCALING_EMPTY = (byte) 0;
     static final byte SCALING_TRUE = (byte) 1;
     static final byte SCALING_FALSE = (byte) 2;
 
     private byte scaling = SCALING_EMPTY;
     private String locName;
-    private String mapColor;
+    private Color color;
 
     CraftMetaMap(CraftMetaItem meta) {
         super(meta);
@@ -34,6 +37,8 @@ class CraftMetaMap extends CraftMetaItem implements MapMeta {
 
         CraftMetaMap map = (CraftMetaMap) meta;
         this.scaling = map.scaling;
+        this.locName = map.locName;
+        this.color = map.color;
     }
 
     CraftMetaMap(NBTTagCompound tag) {
@@ -42,7 +47,7 @@ class CraftMetaMap extends CraftMetaItem implements MapMeta {
         if (tag.hasKey(MAP_SCALING.NBT)) {
             this.scaling = tag.getBoolean(MAP_SCALING.NBT) ? SCALING_TRUE : SCALING_FALSE;
         }
-        
+
         if (tag.hasKey(DISPLAY.NBT)) {
             NBTTagCompound display = tag.getCompound(DISPLAY.NBT);
 
@@ -51,7 +56,7 @@ class CraftMetaMap extends CraftMetaItem implements MapMeta {
             }
 
             if (display.hasKey(MAP_COLOR.NBT)) {
-                mapColor = display.getString(MAP_COLOR.NBT);
+                color = Color.fromRGB(display.getInt(MAP_COLOR.NBT));
             }
         }
     }
@@ -63,6 +68,16 @@ class CraftMetaMap extends CraftMetaItem implements MapMeta {
         if (scaling != null) {
             setScaling(scaling);
         }
+
+        String locName = SerializableMeta.getString(map, MAP_LOC_NAME.BUKKIT, true);
+        if (locName != null) {
+            setLocationName(locName);
+        }
+
+        Color color = SerializableMeta.getObject(Color.class, map, MAP_COLOR.BUKKIT, true);
+        if (color != null) {
+            setColor(color);
+        }
     }
 
     @Override
@@ -77,8 +92,8 @@ class CraftMetaMap extends CraftMetaItem implements MapMeta {
             setDisplayTag(tag, MAP_LOC_NAME.NBT, new NBTTagString(getLocationName()));
         }
 
-        if (hasMapColor()) {
-            setDisplayTag(tag, MAP_COLOR.NBT, new NBTTagString(mapColor));
+        if (hasColor()) {
+            setDisplayTag(tag, MAP_COLOR.NBT, new NBTTagInt(color.asRGB()));
         }
     }
 
@@ -98,7 +113,7 @@ class CraftMetaMap extends CraftMetaItem implements MapMeta {
     }
 
     boolean isMapEmpty() {
-        return !hasScaling();
+        return !(hasScaling() | hasLocationName() || hasColor());
     }
 
     boolean hasScaling() {
@@ -125,11 +140,26 @@ class CraftMetaMap extends CraftMetaItem implements MapMeta {
 
     @Override
     public void setLocationName(String name) {
+        Preconditions.checkArgument(name != null, "name");
+
         this.locName = name;
     }
 
-    public boolean hasMapColor() {
-        return this.mapColor != null;
+    @Override
+    public boolean hasColor() {
+        return this.color != null;
+    }
+
+    @Override
+    public Color getColor() {
+        return this.color;
+    }
+
+    @Override
+    public void setColor(Color color) {
+        Preconditions.checkArgument(color != null, "color");
+
+        this.color = color;
     }
 
     @Override
@@ -141,8 +171,8 @@ class CraftMetaMap extends CraftMetaItem implements MapMeta {
             CraftMetaMap that = (CraftMetaMap) meta;
 
             return (this.scaling == that.scaling)
-                    && (hasLocationName() ? that.hasLocationName() && this.getLocationName().equals(that.getLocationName()) : !that.hasLocationName())
-                    && (hasMapColor() ? that.hasMapColor() && this.mapColor.equals(that.mapColor) : !that.hasMapColor());
+                    && (hasLocationName() ? that.hasLocationName() && this.locName.equals(that.locName) : !that.hasLocationName())
+                    && (hasColor() ? that.hasColor() && this.color.equals(that.color) : !that.hasColor());
         }
         return true;
     }
@@ -160,10 +190,17 @@ class CraftMetaMap extends CraftMetaItem implements MapMeta {
         if (hasScaling()) {
             hash ^= 0x22222222 << (isScaling() ? 1 : -1);
         }
+        if (hasLocationName()) {
+            hash = 61 * hash + locName.hashCode();
+        }
+        if (hasColor()) {
+            hash = 61 * hash + color.hashCode();
+        }
 
         return original != hash ? CraftMetaMap.class.hashCode() ^ hash : hash;
     }
 
+
     public CraftMetaMap clone() {
         return (CraftMetaMap) super.clone();
     }
@@ -180,8 +217,8 @@ class CraftMetaMap extends CraftMetaItem implements MapMeta {
             builder.put(MAP_LOC_NAME.BUKKIT, getLocationName());
         }
 
-        if (hasMapColor()) {
-            builder.put(MAP_COLOR.BUKKIT, mapColor);
+        if (hasColor()) {
+            builder.put(MAP_COLOR.BUKKIT, getColor());
         }
 
         return builder;