bool MapObjectIsTileOKStrict(
const MapObject *obj, const unsigned short tile, const bool isEmpty,
const unsigned short tileAbove, const unsigned short tileBelow,
const int numWallsAdjacent, const int numWallsAround)
{
if (!MapObjectIsTileOK(obj, tile, isEmpty, tileAbove))
{
return 0;
}
unsigned short tileAccess = tile & MAP_MASKACCESS;
if (tile & MAP_LEAVEFREE)
{
return 0;
}
if (obj->Flags & (1 << PLACEMENT_OUTSIDE) && tileAccess == MAP_ROOM)
{
return false;
}
if ((obj->Flags & (1 << PLACEMENT_INSIDE)) && tileAccess != MAP_ROOM)
{
return false;
}
if ((obj->Flags & (1 << PLACEMENT_NO_WALLS)) && numWallsAround != 0)
{
return false;
}
if ((obj->Flags & (1 << PLACEMENT_ONE_WALL)) && numWallsAdjacent != 1)
{
return false;
}
if ((obj->Flags & (1 << PLACEMENT_ONE_OR_MORE_WALLS)) && numWallsAdjacent < 1)
{
return false;
}
if ((obj->Flags & (1 << PLACEMENT_FREE_IN_FRONT)) &&
(tileBelow & MAP_MASKACCESS) != MAP_FLOOR &&
(tileBelow & MAP_MASKACCESS) != MAP_SQUARE &&
(tileBelow & MAP_MASKACCESS) != MAP_ROOM)
{
return false;
}
return true;
}
static bool TryAddMapObject(
Mission *m, const MapObject *mo, const Vec2i pos, CArray *objs)
{
CASSERT(m->Type == MAPTYPE_STATIC, "invalid map type");
const unsigned short tile = MissionGetTile(m, pos);
// Remove any items already there
TryRemoveMapObjectAt(pos, objs);
if (MapObjectIsTileOK(
mo, tile, 1, MissionGetTile(m, Vec2iNew(pos.x, pos.y - 1))))
{
// Check if the item already has an entry, and add to its list
// of positions
bool hasAdded = false;
for (int i = 0; i < (int)objs->size; i++)
{
MapObjectPositions *mop = CArrayGet(objs, i);
if (mop->M == mo)
{
CArrayPushBack(&mop->Positions, &pos);
hasAdded = true;
break;
}
}
// If not, create a new entry
if (!hasAdded)
{
MapObjectPositions mop;
mop.M = mo;
CArrayInit(&mop.Positions, sizeof(Vec2i));
CArrayPushBack(&mop.Positions, &pos);
CArrayPushBack(objs, &mop);
}
return true;
}
return false;
}
