SGbool SG_EXPORT sgMaskCheckCollision(SGMask* m1, SGint x1, SGint y1, SGMask* m2, SGint x2, SGint y2)
{
x1 -= m1->xoffset;
y1 -= m1->yoffset;
x2 -= m2->xoffset;
y2 -= m2->yoffset;
if(x2 > x1)
{
x2 -= x1;
x1 = 0;
}
else
{
x1 -= x2;
x2 = 0;
}
if(y2 > y1)
{
y2 -= y1;
y1 = 0;
}
else
{
y1 -= y2;
y2 = 0;
}
ptrdiff_t i, j;
for(i = 0; i < SG_MAX(m1->width, m2->width); i++)
if((0 <= i - x1) && (i - x1 < m1->width)
&& (0 <= i - x2) && (i - x2 < m2->width))
for(j = 0; j < SG_MAX(m1->height, m2->height); j++)
if((0 <= j - y1) && (j - y1 < m1->height)
&& (0 <= j - y2) && (j - y2 < m2->height))
if((!m1->precise || m1->field[i - x1][j - y1])
&& (!m2->precise || m2->field[i - x2][j - y2]))
return SG_TRUE;
return SG_FALSE;
}
static void my_dump_id(SG_context * pCtx,
const char* psz_hid,
SG_uint32 nrDigits,
SG_uint32 indent,
SG_string * pStringOutput)
{
char buf[4000];
// we can abbreviate the full IDs.
nrDigits = SG_MIN(nrDigits, SG_HID_MAX_BUFFER_LENGTH);
nrDigits = SG_MAX(nrDigits, 4);
// create:
// Dagnode[addr]: <child_id> <gen> [<parent_id>...]
SG_ERR_CHECK_RETURN( SG_sprintf(pCtx,buf,SG_NrElements(buf),"%*c ",indent,' ') );
SG_ERR_CHECK_RETURN( SG_string__append__sz(pCtx,pStringOutput,buf) );
SG_ERR_CHECK_RETURN( SG_string__append__buf_len(pCtx,pStringOutput,(SG_byte *)(psz_hid),nrDigits) );
SG_ERR_CHECK_RETURN( SG_string__append__sz(pCtx,pStringOutput,"\n") );
}
*/
size_t sg_maxnum_stacks, sg_maxnum_stack, sg_maxnum_link, sg_maxnum_links;
size_t sg_num_stacks, sg_num_stack, sg_num_links, sg_num_link;
void SG_ZeroAllocStats(void)
{
sg_maxnum_stacks = sg_maxnum_stack = sg_maxnum_link = sg_maxnum_links =
sg_num_stacks = sg_num_stack = sg_num_link = sg_num_links = 0;
}
void SG_MaxAllocStats(void)
{
IF_STATISTICS(
sg_maxnum_stacks = SG_MAX(sg_num_stacks, sg_maxnum_stacks);
sg_maxnum_stack = SG_MAX(sg_num_stack, sg_maxnum_stack);
sg_maxnum_links = SG_MAX(sg_num_links, sg_maxnum_links);
sg_maxnum_link = SG_MAX(sg_num_link, sg_maxnum_link);
);
}
void SG_PrintCurAllocStats(void)
{
size_t total = 0, this;
IF_STATISTICS(
fprintf(SG_log(), "Current memory items used:\n\t"
"datatype number sizeof() subtotal\n");
this = sg_num_stacks * sizeof(stacks); total += this;