Get full existing shader function working on HDMap

src/main/java/org/dynmap/hdmap/HDShader.java

@@ -0,0 +1,34 @@
+package org.dynmap.hdmap;
+
+import java.io.File;
+
+import org.dynmap.utils.MapChunkCache;
+import org.dynmap.utils.MapIterator;
+
+import org.json.simple.JSONObject;
+
+public interface HDShader {
+    /* Get renderer name */
+    String getName();
+    /**
+     *  Get renderer state object for use rendering a tile
+     * @param map - map being rendered
+     * @param cache - chunk cache containing data for tile to be rendered
+     * @param mapiter - iterator used when traversing rays in tile
+     * @return state object to use for all rays in tile
+     */
+    HDShaderState getStateInstance(HDMap map, MapChunkCache cache, MapIterator mapiter);
+    /* Build client configuration for this render instance */
+    void buildClientConfiguration(JSONObject worldObject);
+    /* Test if Biome Data is needed for this renderer */
+    boolean isBiomeDataNeeded();
+    /* Test if raw biome temperature/rainfall data is needed */
+    boolean isRawBiomeDataNeeded();
+    /* Test if night/day is enabled for this renderer */
+    boolean isNightAndDayEnabled();
+    /* Test if sky light level needed */
+    boolean isSkyLightLevelNeeded();
+    /* Test if emitted light level needed */
+    boolean isEmittedLightLevelNeeded();
+    
+}