include/util.h

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// util.h

#ifndef UTIL_H
#define UTIL_H

//{{{
struct coord
{
    uchar x;
    uchar y;
};
TYPEDEF(struct coord coord)
//}}}
//{{{
struct scoord
{
    short x;
    short y;
};
TYPEDEF(struct scoord scoord)
//}}}
//{{{
struct rect
{
    struct coord topleft; 
    struct coord extent;  
};
TYPEDEF(struct rect rect)
//}}}
//{{{
struct direction
{
    schar x;
    schar y;
};
TYPEDEF(struct direction direction)
//}}}
//{{{
struct range
{
    uchar max;
    uchar min;
};
TYPEDEF(struct range range)
//}}}
//{{{
struct lrange
{
    sint max;
    sint min;
};
TYPEDEF(struct lrange lrange)
//}}}
//{{{
// Cast constructors workaround
#ifdef CASTCONSTRUCT
#   define COORD(a,b) ((coord){(a),(b)})
#   define RECT(a,b,c,d) ((rect){{a,b},{c,d}})
#   define SRANGE(a,b) ((range){(a),(b)})
#   define DIRECTION(a,b) ((direction){(a),(b)})
#else
#   define COORD(a,b) construct_coord(a, b)
#   define RECT(a,b,c,d) construct_rect(a,b,c,d)
#   define SRANGE(a,b) construct_range((a),(b))
#   define DIRECTION(a,b) (construct_direction((a),(b)))
    struct coord construct_coord(uchar x, uchar y);
    struct rect construct_rect(uchar x, uchar y, uchar w, uchar h);
    struct direction construct_direction(schar x, schar y);
    struct range construct_range(uchar max, uchar min);
#endif
//}}}

#ifdef SUPPORT_COLOR
//{{{
struct colorinfo
{
    uchar dark;
    uchar lit;
};
TYPEDEF(struct colorinfo colorinfo)

#define COLOR_BOLD 0x10
#define BLACK    0
#define RED      1
#define GREEN    2
#define YELLOW   3
#define BLUE     4
#define MAGENTA  5
#define CYAN     6
#define WHITE    7
#define LBLACK   16
#define LRED     17
#define LGREEN   18
#define LYELLOW  19
#define LBLUE    20
#define LMAGENTA 21
#define LCYAN    22
#define LWHITE   23
//}}}
#else
TYPEDEF(void *colorinfo)
#endif

#include "filelink.h"

    // Better to pass as high and low bytes of one arg because most calls use
    // constant (precalculatable) values
#define RANGE(a,b) xrandom( ((a)<<8)+(b) )

#define distancesquare(x1, y1, x2, y2) ( (x1-x2)*(x1-x2) + (y1-y2)*(y1-y2) )

#ifndef IS_CALCULATOR
#   ifdef min // Some platforms provide broken versions of this
#       undef min
#   endif
    int min(int a, int b);
#   ifdef max
#       undef max
#   endif
    int max(int a, int b);
#endif

/* Helpers are provided by effect, but what really matters is calling
   convention. Thus, some aliases for equivalent calling conventions: */
#define call_aifunc call_usefunc
#define call_chatfunc call_throwhitfunc
#define call_killfunc call_throwhitfunc

/* drawstring.c */
struct draw_string_info
{
    int curX;
    int curRow;
};
TYPEDEF(struct draw_string_info draw_string_info)

#ifndef DATA_FILE
#ifdef DEBUG_ALLOCATOR
int debug_verify_mem(void);
int debug_verify_block(long *block);
void *debug_malloc(size_t S);
void debug_free(void *ptr);
void *debug_calloc(size_t N, size_t S);
void *debug_realloc(void *ptr, size_t S);
#else // DEBUG_ALLOCATOR
#   define debug_malloc  malloc_throw
#   define debug_free    free
#   define debug_calloc  calloc_throw
#   define debug_realloc realloc_throw
#endif // DEBUG_ALLOCATOR
#endif // DATA_FILE

#endif //UTIL_H

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