Added a new hook: HOOK_ADJUSTRADS

Fixed a crash bug in ScriptExtender.cpp from commit c736e39.
Some adjustments to the hook injection mechanism.

artifacts/scripting/headers/define_lite.h

@@ -806,7 +806,10 @@
 #define bit_32                      (0x80000000)
 #define bit_ALL                     (0xFFFFFFFF)
 
-
+#define ROLL_CRITICAL_FAILURE       0
+#define ROLL_FAILURE                1
+#define ROLL_SUCCESS                2
+#define ROLL_CRITICAL_SUCCESS       3
 
 //Misc commands
 #define obj_get_rot(obj)  (has_trait(TRAIT_OBJECT, obj, OBJECT_CUR_ROT))

artifacts/scripting/headers/sfall.h

@@ -70,6 +70,7 @@
 #define HOOK_TARGETOBJECT     (42)
 #define HOOK_ENCOUNTER        (43)
 #define HOOK_ADJUSTPOISON     (44)
+#define HOOK_ADJUSTRADS       (45)
 
 //Valid arguments to list_begin
 #define LIST_CRITTERS    (0)

artifacts/scripting/hookscripts.txt

@@ -707,3 +707,14 @@ int     arg2 - the damage value at the time of applying the poison effect
 
 int     ret0 - the new amount of poison being added/removed
 int     ret1 - the new damage value, only negative values are allowed (will only be valid at the time of taking damage from the poison)
+
+-------------------------------------------
+
+HOOK_ADJUSTRADS (hs_adjustrads.int)
+
+Runs when a critter's radiation level is changed.
+
+Critter arg0 - the critter (usually dude_obj)
+int     arg1 - the amount of radiation being added/removed
+
+int     ret0 - the new amount of radiation being added/removed