TbBool can_place_trap_on(PlayerNumber plyr_idx, MapSubtlCoord stl_x, MapSubtlCoord stl_y)
{
MapSlabCoord slb_x, slb_y;
slb_x = subtile_slab_fast(stl_x);
slb_y = subtile_slab_fast(stl_y);
struct SlabMap *slb;
slb = get_slabmap_block(slb_x, slb_y);
struct SlabAttr *slbattr;
slbattr = get_slab_attrs(slb);
if (!subtile_revealed(stl_x, stl_y, plyr_idx)) {
return false;
}
if (((slbattr->block_flags & (SlbAtFlg_Filled|SlbAtFlg_Digable|SlbAtFlg_Valuable)) != 0)) {
return false;
}
if (slab_kind_is_liquid(slb->kind)) {
return false;
}
if ((slabmap_owner(slb) == plyr_idx) && (slb->kind == SlbT_CLAIMED))
{
if (!slab_has_trap_on(slb_x, slb_y) && !subtile_has_door_thing_on(stl_x, stl_y))
{
return true;
}
}
return false;
}
TbBool find_place_to_put_door_around_room(const struct Room *room, struct Coord3d *pos)
{
long m,n;
m = ACTION_RANDOM(SMALL_AROUND_SLAB_LENGTH);
for (n = 0; n < SMALL_AROUND_SLAB_LENGTH; n++)
{
// Get position containing room center
MapSlabCoord slb_x,slb_y;
slb_x = subtile_slab_fast(room->central_stl_x);
slb_y = subtile_slab_fast(room->central_stl_y);
// Move the position to edge of the room
struct Room *sibroom;
sibroom = slab_room_get(slb_x, slb_y);
while (!room_is_invalid(sibroom) && (sibroom->index == room->index))
{
slb_x += small_around[m].delta_x;
slb_y += small_around[m].delta_y;
sibroom = slab_room_get(slb_x, slb_y);
}
// Move the position a few tiles further in that direction searching for a place to put door
//TODO COMPUTER_PLAYER Why we can only have doors if corridor is at center of the room? This should be fixed to allow doors everywhere around room.
int i;
for (i = 4; i > 0; i--)
{
struct SlabMap *slb;
slb = get_slabmap_block(slb_x, slb_y);
if ((slabmap_owner(slb) != room->owner) || (slb->kind != SlbT_CLAIMED)) {
i = 0;
break;
}
if (tag_cursor_blocks_place_door(room->owner, slab_subtile_center(slb_x), slab_subtile_center(slb_y))) {
break;
}
if (!subtile_has_door_thing_on(slab_subtile_center(slb_x), slab_subtile_center(slb_y))) {
// No door - the position looks ok
break;
}
slb_x += small_around[m].delta_x;
slb_y += small_around[m].delta_y;
}
// Now if we were able to move, then the position seem ok. One last check - make sure the corridor is not dead end and doesn't already have a door
if (i > 0)
{
MapSlabCoord nxslb_x,nxslb_y;
nxslb_x = slb_x + small_around[m].delta_x;
nxslb_y = slb_y + small_around[m].delta_y;
struct SlabMap *nxslb;
nxslb = get_slabmap_block(nxslb_x, nxslb_y);
if ((slabmap_owner(nxslb) == room->owner) && (nxslb->kind == SlbT_CLAIMED))
{
if (!subtile_has_door_thing_on(slab_subtile_center(nxslb_x), slab_subtile_center(nxslb_y))) {
pos->x.val = subtile_coord_center(slab_subtile_center(slb_x));
pos->y.val = subtile_coord_center(slab_subtile_center(slb_y));
pos->z.val = subtile_coord(1,0);
return true;
}
}
}
m = (m + 1) % SMALL_AROUND_SLAB_LENGTH;
}
return false;
}
