Initial commit (Forge 1291).

src/main/java/org/bukkit/craftbukkit/map/CraftMapRenderer.java

@@ -0,0 +1,47 @@
+package org.bukkit.craftbukkit.map;
+
+
+import org.bukkit.Bukkit;
+import org.bukkit.entity.Player;
+import org.bukkit.map.MapCanvas;
+import org.bukkit.map.MapCursorCollection;
+import org.bukkit.map.MapRenderer;
+import org.bukkit.map.MapView;
+
+public class CraftMapRenderer extends MapRenderer {
+
+    private final net.minecraft.world.storage.MapData worldMap;
+
+    public CraftMapRenderer(CraftMapView mapView, net.minecraft.world.storage.MapData worldMap) {
+        super(false);
+        this.worldMap = worldMap;
+    }
+
+    @Override
+    public void render(MapView map, MapCanvas canvas, Player player) {
+        // Map
+        for (int x = 0; x < 128; ++x) {
+            for (int y = 0; y < 128; ++y) {
+                canvas.setPixel(x, y, worldMap.colors[y * 128 + x]);
+            }
+        }
+
+        // Cursors
+        MapCursorCollection cursors = canvas.getCursors();
+        while (cursors.size() > 0) {
+            cursors.removeCursor(cursors.getCursor(0));
+        }
+
+        for (Object key : worldMap.playersVisibleOnMap.keySet()) {
+            // If this cursor is for a player check visibility with vanish system
+            Player other = Bukkit.getPlayerExact((String) key);
+            if (other != null && !player.canSee(other)) {
+                continue;
+            }
+
+            net.minecraft.world.storage.MapData.MapCoord decoration = (net.minecraft.world.storage.MapData.MapCoord) worldMap.playersVisibleOnMap.get(key);
+            cursors.addCursor(decoration.centerX, decoration.centerZ, (byte) (decoration.iconRotation & 15), decoration.iconSize);
+        }
+    }
+
+}