buildToolBlock = new BlockBuildTool ();
buildToolBlock.setBlockName("buildToolBlock");
CoreProxy.proxy.registerBlock(buildToolBlock);
markerBlock = new BlockMarker();
CoreProxy.proxy.registerBlock(markerBlock.setBlockName("markerBlock"));
pathMarkerBlock = new BlockPathMarker();
CoreProxy.proxy.registerBlock(pathMarkerBlock.setBlockName("pathMarkerBlock"));