void
RouteLink::CalcSpeedups(const TaskProjection& proj)
{
const fixed scale = proj.GetApproximateScale();
const fixed dx = fixed(first.longitude - second.longitude);
const fixed dy = fixed(first.latitude - second.latitude);
if (!positive(fabs(dx)) && !positive(fabs(dy))) {
d = fixed(0);
inv_d = fixed(0);
polar_index = 0;
return;
}
mag_rmag(dx, dy, d, inv_d);
polar_index = XYToIndex(dx, dy);
d *= scale;
inv_d /= scale;
}
std::pair<bool, DirectionFlags> canChangeMap(const Ndk::EntityHandle& p)
{
TealAssert(isMapUtilityInitialized(), "Map Utility hasn't been initialized !");
TealAssert(hasComponentsToChangeMap(p), "Entity doesn't have the required components to change map !");
Nz::Vector2i mapPos = m_currentMap->getCurrentMap()->getPosition();
auto& pos = p->GetComponent<PositionComponent>();
TealAssert(isPositionValid(pos.xy), "Position isn't valid");
// Where is the entity in the map ? At the right, left, top, or bottom ?
DirectionFlags entExt = 0; // Entity Extremity
if (pos.xy.x == 0u && isLineEven(pos.xy.y) && MapDataLibrary::Has(mapXYToString(mapPos.x - 1, mapPos.y))) // Left
entExt = Dir::Left;
else if (pos.xy.x == Def::MapX && MapDataLibrary::Has(mapXYToString(mapPos.x + 1, mapPos.y))) // Right
entExt = Dir::Right;
else if (pos.xy.y == 0u && MapDataLibrary::Has(mapXYToString(mapPos.x, mapPos.y - 1))) // Top
entExt = Dir::Up;
else if (pos.xy.y == Def::ArrayMapY && MapDataLibrary::Has(mapXYToString(mapPos.x, mapPos.y + 1))) // Bottom
entExt = Dir::Down;
if (!entExt)
return std::make_pair(false, entExt); // Entity isn't even at an extremity
// Okay, now, let's check if the position where the entity
// will move to is valid (no obstacle)
MapDataRef map; // Map the entity will move to
unsigned x {}, y {}; // New position of the entity after changing map
if (entExt & Dir::Left)
{
map = MapDataLibrary::Get(mapXYToString(mapPos.x - 1, mapPos.y));
x = Def::MapX;
y = pos.xy.y;
}
else if (entExt & Dir::Right)
{
map = MapDataLibrary::Get(mapXYToString(mapPos.x + 1, mapPos.y));
x = 0u;
y = pos.xy.y;
}
else if (entExt & Dir::Up)
{
map = MapDataLibrary::Get(mapXYToString(mapPos.x, mapPos.y - 1));
x = pos.xy.x;
y = Def::MapY;
}
else if (entExt & Dir::Down)
{
map = MapDataLibrary::Get(mapXYToString(mapPos.x, mapPos.y + 1));
x = pos.xy.x;
y = 1u;
}
else
{
NazaraError("Bad direction value");
return std::make_pair(false, entExt);
}
TealAssert(map, "new map null !");
if (!map->getTile(XYToIndex(x, y)).isWalkable())
return std::make_pair(false, entExt); // It's an obstacle.
return std::make_pair(true, entExt);
}