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-rw-r--r--CraftBukkit-Patches/0022-Limit-Custom-Map-Rendering.patch74
1 files changed, 74 insertions, 0 deletions
diff --git a/CraftBukkit-Patches/0022-Limit-Custom-Map-Rendering.patch b/CraftBukkit-Patches/0022-Limit-Custom-Map-Rendering.patch
new file mode 100644
index 0000000000..c73611932a
--- /dev/null
+++ b/CraftBukkit-Patches/0022-Limit-Custom-Map-Rendering.patch
@@ -0,0 +1,74 @@
+From 7dff87cc649bfb8e198f16015b7537b8af2c8944 Mon Sep 17 00:00:00 2001
+From: md_5 <[email protected]>
+Date: Sat, 23 Mar 2013 19:08:41 +1100
+Subject: [PATCH] Limit Custom Map Rendering
+
+The default CraftBukkit render sequence for maps is ridiculously slow. By only using it when a custom renderer has been added (rarely in most cases), we can fallback to the Vanilla renderer for general usage. This leads to a much higher effiency overall, especially if no plugins are rendering such maps.
+
+diff --git a/src/main/java/net/minecraft/server/WorldMapHumanTracker.java b/src/main/java/net/minecraft/server/WorldMapHumanTracker.java
+index ec708d1..d22b6c9 100644
+--- a/src/main/java/net/minecraft/server/WorldMapHumanTracker.java
++++ b/src/main/java/net/minecraft/server/WorldMapHumanTracker.java
+@@ -37,23 +37,29 @@ public class WorldMapHumanTracker {
+ int i;
+ int j;
+
+- org.bukkit.craftbukkit.map.RenderData render = this.worldMap.mapView.render((org.bukkit.craftbukkit.entity.CraftPlayer) trackee.getBukkitEntity()); // CraftBukkit
++ // Spigot start
++ boolean custom = this.worldMap.mapView.renderers.size() > 1 || !(this.worldMap.mapView.renderers.get(0) instanceof org.bukkit.craftbukkit.map.CraftMapRenderer);
++ org.bukkit.craftbukkit.map.RenderData render = (custom) ? this.worldMap.mapView.render((org.bukkit.craftbukkit.entity.CraftPlayer) trackee.getBukkitEntity()) : null; // CraftBukkit
+
+ if (--this.g < 0) {
+ this.g = 4;
+- abyte = new byte[render.cursors.size() * 3 + 1]; // CraftBukkit
++ abyte = new byte[((custom) ? render.cursors.size() : this.worldMap.decorations.size()) * 3 + 1]; // CraftBukkit
+ abyte[0] = 1;
+ i = 0;
+
+ // CraftBukkit start
+- for (i = 0; i < render.cursors.size(); ++i) {
+- org.bukkit.map.MapCursor cursor = render.cursors.get(i);
+- if (!cursor.isVisible()) continue;
+
+- abyte[i * 3 + 1] = (byte) (cursor.getRawType() << 4 | cursor.getDirection() & 15);
+- abyte[i * 3 + 2] = (byte) cursor.getX();
+- abyte[i * 3 + 3] = (byte) cursor.getY();
++ // Spigot start
++ for (Iterator iterator = ((custom) ? render.cursors.iterator() : this.worldMap.decorations.values().iterator()); iterator.hasNext(); ++i) {
++ org.bukkit.map.MapCursor cursor = (custom) ? (org.bukkit.map.MapCursor) iterator.next() : null;
++ if (cursor != null && !cursor.isVisible()) continue;
++ WorldMapDecoration deco = (custom) ? null : (WorldMapDecoration) iterator.next();
++
++ abyte[i * 3 + 1] = (byte) (((custom) ? cursor.getRawType() : deco.type) << 4 | ((custom) ? cursor.getDirection() : deco.rotation) & 15);
++ abyte[i * 3 + 2] = (byte) ((custom) ? cursor.getX() : deco.locX);
++ abyte[i * 3 + 3] = (byte) ((custom) ? cursor.getY() : deco.locY);
+ }
++ // Spigot end
+ // CraftBukkit end
+
+ boolean flag = !itemstack.A();
+@@ -88,7 +94,7 @@ public class WorldMapHumanTracker {
+ abyte1[2] = (byte) j;
+
+ for (int i1 = 0; i1 < abyte1.length - 3; ++i1) {
+- abyte1[i1 + 3] = render.buffer[(i1 + j) * 128 + i]; // CraftBukkit
++ abyte1[i1 + 3] = ((custom) ? render.buffer : this.worldMap.colors)[(i1 + j) * 128 + i];
+ }
+
+ this.c[i] = -1;
+diff --git a/src/main/java/org/bukkit/craftbukkit/map/CraftMapView.java b/src/main/java/org/bukkit/craftbukkit/map/CraftMapView.java
+index 1a150d9..c9f0027 100644
+--- a/src/main/java/org/bukkit/craftbukkit/map/CraftMapView.java
++++ b/src/main/java/org/bukkit/craftbukkit/map/CraftMapView.java
+@@ -18,7 +18,7 @@ import org.bukkit.map.MapView;
+ public final class CraftMapView implements MapView {
+
+ private final Map<CraftPlayer, RenderData> renderCache = new HashMap<CraftPlayer, RenderData>();
+- private final List<MapRenderer> renderers = new ArrayList<MapRenderer>();
++ public final List<MapRenderer> renderers = new ArrayList<MapRenderer>(); // Spigot
+ private final Map<MapRenderer, Map<CraftPlayer, CraftMapCanvas>> canvases = new HashMap<MapRenderer, Map<CraftPlayer, CraftMapCanvas>>();
+ protected final WorldMap worldMap;
+
+--
+1.9.1
+