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;
}
bool MissionStaticTryRemoveItemAt(Mission *m, const Vec2i pos)
{
return TryRemoveMapObjectAt(pos, &m->u.Static.Items);
}
bool MissionStaticTryRemoveWreckAt(Mission *m, const Vec2i pos)
{
return TryRemoveMapObjectAt(pos, &m->u.Static.Wrecks);
}