Added API for manipulating map items. Thanks SpaceManiac, codename_B, sk89q and dested!

By: EvilSeph <evilseph@gmail.com>

paper-api/src/main/java/org/bukkit/map/MapRenderer.java

@@ -0,0 +1,50 @@
+package org.bukkit.map;
+
+import org.bukkit.entity.Player;
+
+/**
+ * Represents a renderer for a map.
+ */
+public abstract class MapRenderer {
+    
+    private boolean contextual;
+    
+    /**
+     * Initialize the map renderer base to be non-contextual. See {@link isContextual}.
+     */
+    public MapRenderer() {
+        this(false);
+    }
+    
+    /**
+     * Initialize the map renderer base with the given contextual status.
+     * @param contextual Whether the renderer is contextual. See {@link isContextual}.
+     */
+    public MapRenderer(boolean contextual) {
+        this.contextual = contextual;
+    }
+    
+    /**
+     * Get whether the renderer is contextual, i.e. has different canvases for
+     * different players.
+     * @return True if contextual, false otherwise.
+     */
+    final public boolean isContextual() {
+        return contextual;
+    }
+    
+    /**
+     * Initialize this MapRenderer for the given map.
+     * @param map The MapView being initialized.
+     */
+    public void initialize(MapView map) { }
+    
+    /**
+     * Render to the given map.
+     * @param map The MapView being rendered to.
+     * @param canvas The canvas to use for rendering.
+     * @param player The player who triggered the rendering.
+     */
+    abstract public void render(MapView map, MapCanvas canvas, Player player);
+    
+}