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handle C++ vs enum arithmatic differently

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The cast to (int) was much simpler but this seems better overall.
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PatR
2023-10-31 15:04:14 -07:00
parent 8d98b920f4
commit c8a84acfa5
3 changed files with 20 additions and 13 deletions
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18
include/display.h
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@@ -181,14 +181,10 @@
*
* Respectively return a random monster or object.
* random_object() won't return STRANGE_OBJECT or the generic objects.
* -/+ MAXOCLASSES is used to skip it and them.
* NUM_OBJECTS and MAXOCLASSES are from different enum lists and recent C++
* (for the Qt interface) complains about mixing them in arithmatic so cast
* them to int here. Doesn't impact compiling random_object() with C.
* -/+ FIRST_OBJECT is used to skip it and them.
*/
#define random_monster(rng) ((*rng)(NUMMONS))
#define random_object(rng) \
((*rng)((int) NUM_OBJECTS - (int) MAXOCLASSES) + (int) MAXOCLASSES)
#define random_object(rng) ((*rng)(NUM_OBJECTS - FIRST_OBJECT) + FIRST_OBJECT)
/*
* what_obj()
@@ -861,22 +857,22 @@ enum glyph_offsets {
#define glyph_is_statue(glyph) \
(glyph_is_male_statue(glyph) || glyph_is_fem_statue(glyph))
/* generic objects are after strange object (GLYPH_OBJ_OFF) and before
other objects (GLYPH_OBJ_OFF + MAXOCLASSES) */
other objects (GLYPH_OBJ_OFF + FIRST_OBJECT) */
#define glyph_is_normal_generic_obj(glyph) \
((glyph) > GLYPH_OBJ_OFF && (glyph) < GLYPH_OBJ_OFF + MAXOCLASSES)
((glyph) > GLYPH_OBJ_OFF && (glyph) < GLYPH_OBJ_OFF + FIRST_OBJECT)
#define glyph_is_piletop_generic_obj(glyph) \
((glyph) > GLYPH_OBJ_PILETOP_OFF \
&& (glyph) < GLYPH_OBJ_PILETOP_OFF + MAXOCLASSES)
&& (glyph) < GLYPH_OBJ_PILETOP_OFF + FIRST_OBJECT)
#define glyph_is_generic_object(glyph) \
(glyph_is_normal_generic_obj(glyph) \
|| glyph_is_piletop_generic_obj(glyph))
#define glyph_is_normal_piletop_obj(glyph) \
((glyph) == GLYPH_OBJ_PILETOP_OFF \
|| ((glyph) > GLYPH_OBJ_PILETOP_OFF + MAXOCLASSES \
|| ((glyph) > GLYPH_OBJ_PILETOP_OFF + FIRST_OBJECT \
&& (glyph) < (GLYPH_OBJ_PILETOP_OFF + NUM_OBJECTS)))
#define glyph_is_normal_object(glyph) \
((glyph) == GLYPH_OBJ_OFF \
|| ((glyph) >= GLYPH_OBJ_OFF + MAXOCLASSES \
|| ((glyph) >= GLYPH_OBJ_OFF + FIRST_OBJECT \
&& (glyph) < (GLYPH_OBJ_OFF + NUM_OBJECTS)) \
|| glyph_is_normal_piletop_obj(glyph))