1.7.10 commit of I-still-can't-do-any-branches

1.7.10/api/java/thaumcraft/api/aspects/AspectSourceHelper.java

@@ -0,0 +1,36 @@
+package thaumcraft.api.aspects;
+
+import java.lang.reflect.Method;
+
+import net.minecraft.tileentity.TileEntity;
+import net.minecraftforge.common.util.ForgeDirection;
+import cpw.mods.fml.common.FMLLog;
+
+public class AspectSourceHelper {
+
+	static Method drainEssentia;
+	/**
+	 * This method is what is used to drain essentia from jars and other sources for things like 
+	 * infusion crafting or powering the arcane furnace. A record of possible sources are kept track of
+	 * and refreshed as needed around the calling tile entity. This also renders the essentia trail particles.
+	 * Only 1 essentia is drained at a time
+	 * @param tile the tile entity that is draining the essentia
+	 * @param aspect the aspect that you are looking for
+	 * @param direction the direction from which you wish to drain. Forgedirection.Unknown simply seeks in all directions. 
+	 * @param range how many blocks you wish to search for essentia sources. 
+	 * @return boolean returns true if essentia was found and removed from a source.
+	 */
+	public static boolean drainEssentia(TileEntity tile, Aspect aspect, ForgeDirection direction, int range) {
+	    try {
+	        if(drainEssentia == null) {
+	            Class fake = Class.forName("thaumcraft.common.lib.EssentiaHandler");
+	            drainEssentia = fake.getMethod("drainEssentia", TileEntity.class, Aspect.class, ForgeDirection.class, int.class);
+	        }
+	        return (Boolean) drainEssentia.invoke(null, tile, aspect, direction, range);
+	    } catch(Exception ex) { 
+	    	FMLLog.warning("[Thaumcraft API] Could not invoke thaumcraft.common.lib.EssentiaHandler method drainEssentia");
+	    }
+		return false;
+	}
+	
+}