added preprocessor definitions for BD engine start and end element

diff --git a/src/main.h b/src/main.h
index dce9139ec9b84487841d15884bb85f30dd5b1fb9..7f70cea7ca544c23d7157c1f32068f5a594e3ea5 100644 (file)
--- a/src/main.h
+++ b/src/main.h
@@ -2064,7 +2064,8 @@
 #define EL_DF_END_2                            EL_DF_SLOPE_END
 
 // BD style elements (normal)
-#define EL_BD_EMPTY_SPACE                      1253
+#define EL_BD_START                            1253
+#define EL_BD_EMPTY_SPACE                      EL_BD_START
 #define EL_BD_EMPTY                            EL_BD_EMPTY_SPACE
 #define EL_BD_SAND                             1254
 #define EL_BD_SAND_2                           1255
@@ -2301,6 +2302,7 @@
 #define EL_BD_NUT_BREAKING_2                   1484
 #define EL_BD_NUT_BREAKING_3                   1485
 #define EL_BD_NUT_BREAKING_4                   1486
+#define EL_BD_END                              EL_BD_NUT_BREAKING_4
 
 #define NUM_FILE_ELEMENTS                      1487