Yatopia/patches/api/0012-fixup-Optimise-Bukkit-s-MapPalette.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Ivan Pekov <ivan@mrivanplays.com>
Date: Sat, 26 Dec 2020 12:14:12 +0200
Subject: [PATCH] fixup! Optimise Bukkit's MapPalette


diff --git a/src/main/java/org/bukkit/Bukkit.java b/src/main/java/org/bukkit/Bukkit.java
index 7b704b5841aa2f212b70719cf9bd79b4fb21fcf0..2e4795be4eadd20c24e058850b6d35b6a6de1f3c 100644
--- a/src/main/java/org/bukkit/Bukkit.java
+++ b/src/main/java/org/bukkit/Bukkit.java
@@ -1837,5 +1837,6 @@ public final class Bukkit {
     public static java.time.Duration getLastTickTime() {
         return server.getLastTickTime();
     }
+    public static java.awt.Color[] getVanillaMapColors() { return server.getVanillaMapColors(); }
     // Yatopia end
 }
diff --git a/src/main/java/org/bukkit/Server.java b/src/main/java/org/bukkit/Server.java
index 2f86ada4a487a6d59fa8b173c8339dcdda65cb30..0b5db06d26e69f7bff36ec12c5155634e2c56c37 100644
--- a/src/main/java/org/bukkit/Server.java
+++ b/src/main/java/org/bukkit/Server.java
@@ -1669,5 +1669,12 @@ public interface Server extends PluginMessageRecipient {
      * @return duration
      */
     java.time.Duration getLastTickTime();
+
+    /**
+     * Returns the vanilla declared map colors.
+     *
+     * @return vanilla map colors
+     */
+    java.awt.Color[] getVanillaMapColors();
     // Yatopia end
 }
diff --git a/src/main/java/org/bukkit/map/MapPalette.java b/src/main/java/org/bukkit/map/MapPalette.java
index 84daffdda568039423d0f6d18981bb9d9a392e1f..0bff82448b8c677027bd95d67d46c7526d720dcb 100644
--- a/src/main/java/org/bukkit/map/MapPalette.java
+++ b/src/main/java/org/bukkit/map/MapPalette.java
@@ -127,8 +127,8 @@ public final class MapPalette {
         // getting an array of rgb values of each color
         rgbColors = java.util.Arrays.stream(colors).mapToInt(Color::getRGB).toArray();
 
+        /*
         try {
-            // load net.minecraft.server.MaterialMapColor class. using reflection because build fails. maven thinks nms isn't accessible from Yatopia-API
             Class<?> materialMapColorClass = MapPalette.class.getClassLoader().loadClass("net.minecraft.server.MaterialMapColor");
             // get vanilla colors
             Object[] vanillaColorObjects = (Object[]) java.util.Arrays.stream(materialMapColorClass.getFields()).filter(f -> f.getType().isArray() && f.getType().getComponentType().equals(materialMapColorClass)).findAny().get().get(null);
@@ -157,6 +157,19 @@ public final class MapPalette {
         } catch (Exception ex) {
             throw new RuntimeException(ex);
         }
+         */
+        vanillaColors = org.bukkit.Bukkit.getVanillaMapColors();
+        doubleColors = new Color[vanillaColors.length][modifiers.length];
+        for (int i = 0; i < vanillaColors.length; i++) {
+            Color vanillaColor = vanillaColors[i];
+            for (int j = 0; j < modifiers.length; j++) {
+                int modifier = modifiers[j];
+                int mr = vanillaColor.getRed() * modifier / 255;
+                int mg = vanillaColor.getGreen() * modifier / 255;
+                int mb = vanillaColor.getBlue() * modifier / 255;
+                doubleColors[i][j] = c(mr, mg, mb);
+            }
+        }
     }
     // Yatopia end
 
@@ -299,9 +312,9 @@ public final class MapPalette {
     public static byte matchColor(@NotNull Color color) {
         if (color.getAlpha() < 128) return 0;
 
+        int index = 0;
         // Yatopia start - foreach a maximum of 62 colors instead of 236 per pixel
         /*
-        int index = 0;
         double best = -1;
 
         for (int i = 4; i < colors.length; i++) {
@@ -313,7 +326,6 @@ public final class MapPalette {
         }
          */
 
-        int index = 0;
         int best = -1;
 
         for (int i = 0; i < vanillaColors.length; i++) {
@@ -342,10 +354,12 @@ public final class MapPalette {
         }
 
         index = com.google.common.primitives.Ints.indexOf(rgbColors, modColors[index].getRGB());
+        /*
         // we have already checked if color is transparent so now there aren't any transparent colors
         // and if (index < 4) then nearest color was black (hex #000000), so we need to return the most black color
         if (index < 4)
             index = 119;
+         */
         // Yatopia end
 
         // Minecraft has 143 colors, some of which have negative byte representations