static rcSpan allocSpan(rcHeightfield hf)
{
// If running out of memory, allocate new page and update the freelist.
if (hf.freelist == null || hf.freelist.next == null)
{
// Create new page.
// Allocate memory for the new pool.
rcSpanPool pool = new rcSpanPool();
pool.next = null;
// Add the pool into the list of pools.
pool.next = hf.pools;
hf.pools = pool;
// Add new items to the free list.
rcSpan?freelist = hf.freelist;
//rcSpan head = pool.items[0];
//rcSpan it = pool.items[RC_SPANS_PER_POOL];
int itIndex = RC_SPANS_PER_POOL;
do
{
--itIndex;
pool.items[itIndex].next = freelist;
freelist = pool.items[itIndex];
}while (itIndex != 0);
hf.freelist = pool.items[itIndex];
}
// Pop item from in front of the free list.
rcSpan it = hf.freelist;
hf.freelist = hf.freelist.next;
return(it);
}
static rcSpan allocSpan(rcHeightfield hf)
{
// If running out of memory, allocate new page and update the freelist.
if (hf.freelist == null || hf.freelist.next == null)
{
// Create new page.
// Allocate memory for the new pool.
//rcSpanPool* pool = (rcSpanPool*)rcAlloc(sizeof(rcSpanPool), RC_ALLOC_PERM);
rcSpanPool pool = new rcSpanPool();
if (pool == null)
return null;
pool.next = null;
// Add the pool into the list of pools.
pool.next = hf.pools;
hf.pools = pool;
// Add new items to the free list.
rcSpan freelist = hf.freelist;
//rcSpan head = pool.items[0];
//rcSpan it = pool.items[RC_SPANS_PER_POOL];
int itIndex = RC_SPANS_PER_POOL;
do
{
--itIndex;
pool.items[itIndex].next = freelist;
freelist = pool.items[itIndex];
}
while (itIndex != 0);
hf.freelist = pool.items[itIndex];
}
// Pop item from in front of the free list.
rcSpan it = hf.freelist;
hf.freelist = hf.freelist.next;
return it;
}
