void TriggerTerrainBlock::startTerrainChange() {
// Get the grid zone component on this object.
GridZone* zone = this->GetObject()->GetComponent<GridZone>();
ASSERT(zone != nullptr, "Object %d with TriggerElevationChange component also has GridZone component", this->GetObject()->GetId());
if (zone != nullptr) {
int west, east, south, north;
zone->GetZoneBounds(west, east, south, north);
GameGrid* grid = SINGLETONS->GetGridManager()->GetGrid();
int elevation = grid->GetElevationFromWorldY(this->GetObject()->GetComponent<Transform>()->GetPositionWorld().y);
for (int x = west; x <= east; ++x) {
for (int z = south; z <= north; ++z) {
if (this->changeWalkability) {
grid->SetCellPassableAtElevation(x, z, elevation, this->isPassable);
}
if (this->changeVisibility) {
grid->SetCellVisibleAtElevation(x, z, elevation, this->isPassable);
}
}
}
}
// Navigators need to update their pathfinding
MessageChunk gridNavMessage = ENGINE->GetMessageHub()->GetOneFreeMessage();
gridNavMessage->SetMessageType(MESSAGE_TYPE_GRID_NAVIGATION_REFRESH);
ENGINE->GetMessageHub()->SendMulticastMessage(gridNavMessage, SINGLETONS->GetGridManagerObject()->GetId());
}
void MessageHub::SendMulticastMessage(MessageType messageType, ObjectIdType senderId) {
MessageChunk messageChunk = this->GetOneFreeMessage();
messageChunk->SetMessageType(messageType);
this->SendMulticastMessage(messageChunk, senderId);
}
void MessageHub::SendPointcastMessage(MessageType messageType, ObjectIdType receiverId, ObjectIdType senderId) {
MessageChunk messageChunk = this->GetOneFreeMessage();
messageChunk->SetMessageType(messageType);
this->SendPointcastMessage(messageChunk, receiverId, senderId);
}