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/* Reduced from linuxdoom-1.10's p_floor.c (GPLv2). */
#define FRACBITS 16
#define FRACUNIT (1<<FRACBITS)
#define PU_LEVSPEC 51
#define FLOORSPEED FRACUNIT
typedef int fixed_t;
typedef struct line_s line_t;
typedef struct
{
fixed_t floorheight;
/* [...snip...] */
} sector_t;
typedef enum
{
build8,
turbo16
} stair_e;
typedef struct
{
/* [...snip...] */
fixed_t floordestheight;
fixed_t speed;
} floormove_t;
extern sector_t* sectors;
void* Z_Malloc (int size, int tag, void *ptr);
int
P_FindSectorFromLineTag
( line_t* line,
int start );
int
EV_BuildStairs
( line_t* line,
stair_e type )
{
int secnum;
int height;
/* [...snip...] */
int rtn;
sector_t* sec;
/* [...snip...] */
floormove_t* floor;
fixed_t stairsize;
fixed_t speed;
secnum = -1;
rtn = 0;
while ((secnum = P_FindSectorFromLineTag(line,secnum)) >= 0)
{
sec = §ors[secnum];
/* [...snip...] */
rtn = 1;
floor = Z_Malloc (sizeof(*floor), PU_LEVSPEC, 0);
/* [...snip...] */
switch(type)
{
case build8:
speed = FLOORSPEED/4;
stairsize = 8*FRACUNIT;
break;
case turbo16:
speed = FLOORSPEED*4;
stairsize = 16*FRACUNIT;
break;
}
floor->speed = speed; /* { dg-bogus "use of uninitialized value 'speed'" } */
height = sec->floorheight + stairsize; /* { dg-bogus "use of uninitialized value 'stairsize'" } */
floor->floordestheight = height;
/* [...snip...] */
}
return rtn;
}
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