/**
* Place a trap near (x, y), with a given displacement.
* \param c the current chunk
* \param y co-ordinates to place the trap near
* \param x co-ordinates to place the trap near
* \param yd how far afield to look for a place
* \param xd how far afield to look for a place
*/
static void vault_trap_aux(struct chunk *c, int y, int x, int yd, int xd)
{
int tries, y1, x1;
/* Find a nearby empty grid and place a trap */
for (tries = 0; tries <= 5; tries++) {
find_nearby_grid(c, &y1, y, yd, &x1, x, xd);
if (!square_isempty(c, y1, x1)) continue;
square_add_trap(c, y1, x1);
break;
}
}
/* Make traps */
static void project_feature_handler_MAKE_TRAP(project_feature_handler_context_t *context)
{
const int x = context->x;
const int y = context->y;
/* Require an "empty", non-warded floor grid */
if (!square_isempty(cave, y, x)) return;
if (square_iswarded(cave, y, x)) return;
/* Create a trap */
square_add_trap(cave, y, x);
context->obvious = true;
}
