X-Git-Url: https://git.artsoft.org/?a=blobdiff_plain;f=src%2Fmain.h;h=1b877e7e31401e23a454b6a0b76bec2d27984ed7;hb=531605e2e684de4c30a4e9927f9c5107f468b163;hp=eb6b438688736b525534e15efd4dd11a5eecbcc4;hpb=e77c26313b1a1e3ddd884cdda005cb6758c1a100;p=rocksndiamonds.git

diff --git a/src/main.h b/src/main.h
index eb6b4386..1b877e7e 100644
--- a/src/main.h
+++ b/src/main.h
@@ -625,6 +625,18 @@
 #define IS_OBSOLETE(e)		HAS_PROPERTY(e, EP_OBSOLETE)
 
 /* special macros used in game engine */
+#define IS_FILE_ELEMENT(e)	((e) >= 0 &&				\
+	 			 (e) <= NUM_FILE_ELEMENTS)
+
+#define IS_DRAWABLE_ELEMENT(e)	((e) >= 0 &&				\
+	 			 (e) <= NUM_DRAWABLE_ELEMENTS)
+
+#define IS_RUNTIME_ELEMENT(e)	((e) >= 0 &&				\
+	 			 (e) <= NUM_RUNTIME_ELEMENTS)
+
+#define IS_VALID_ELEMENT(e)	((e) >= 0 &&				\
+	 			 (e) <= MAX_NUM_ELEMENTS)
+
 #define IS_CUSTOM_ELEMENT(e)	((e) >= EL_CUSTOM_START &&		\
 	 			 (e) <= EL_CUSTOM_END)
 
@@ -858,8 +870,6 @@
 
 #define MAX_NUM_AMOEBA		100
 
-#define NUM_BELTS		4
-#define NUM_BELT_PARTS		3
 #define NUM_ENVELOPES		4
 #define MIN_ENVELOPE_XSIZE	1
 #define MIN_ENVELOPE_YSIZE	1
@@ -1528,8 +1538,10 @@
 #define EL_EMC_DRIPPER_ACTIVE		(EL_FIRST_RUNTIME_REAL + 70)
 #define EL_EMC_SPRING_BUMPER_ACTIVE	(EL_FIRST_RUNTIME_REAL + 71)
 
+#define NUM_DRAWABLE_ELEMENTS		(EL_FIRST_RUNTIME_REAL + 72)
+
 /* "unreal" (and therefore not drawable) runtime elements */
-#define EL_FIRST_RUNTIME_UNREAL		(EL_FIRST_RUNTIME_REAL + 72)
+#define EL_FIRST_RUNTIME_UNREAL		(NUM_DRAWABLE_ELEMENTS)
 
 #define EL_BLOCKED			(EL_FIRST_RUNTIME_UNREAL + 0)
 #define EL_EXPLOSION			(EL_FIRST_RUNTIME_UNREAL + 1)