void GameSessionInput::selectUnit()
{
if(!leftShiftPressed)
unselectAll();
vec3 clickPos = Root::shared().getDepthResult();
vec2 clickPos2(clickPos.x, clickPos.z);
Faction* lf = session->getLocalFaction();
if(!lf) return;
Unit* best_unit = 0;
float best_distance = 100.0;
float dist;
for(list<Unit*>::iterator it = lf->getUnits().begin();
it != lf->getUnits().end(); ++it)
{
dist = glm::distance((*it)->getPosition2(), clickPos2);
if(dist < 2.0 * (*it)->getInfo()->radius
&& dist < best_distance) {
best_distance = dist;
best_unit = (*it);
}
}
if(best_unit)
{
SoundManager::shared().play(best_unit->getInfo()->selectionSound);
best_unit->setSelected(true);
if(leftControlPressed) best_unit->getDebugText();
}
}
void GameSessionInput::selectUnits(float x_min, float x_max, float y_min, float y_max)
{
if(!leftShiftPressed)
unselectAll();
Faction* lf = session->getLocalFaction();
bool firstUnitSelected = false;
if(!lf) return;
for(list<Unit*>::iterator it = lf->getUnits().begin();
it != lf->getUnits().end(); ++it)
{
vec2 onScreen = (*it)->getScreenPosition();
if((onScreen.x > x_min && onScreen.x < x_max) && (onScreen.y > y_min && onScreen.y < y_max))
{
(*it)->setSelected(true);
if(!firstUnitSelected)
{
SoundManager::shared().play((*it)->getInfo()->selectionSound);
}
firstUnitSelected = true;
if(leftControlPressed) (*it)->getDebugText();
}
}
}
void GameSessionClient::updateGameLogic(int elapsedTime)
{
if(!localFaction) return;
gameTimer += elapsedTime;
//First purge units that have to be deleted
for(auto fIter : getFactionMap())
{
Faction* faction = fIter.second;
for(auto it = faction->getUnits().begin(); it != faction->getUnits().end(); )
{
if ((*it)->readyToDelete()) {
delete *it;
it = faction->getUnits().erase(it);
} else {
++it;
}
}
}
//Update all units
//mat4 vpMatrix = Arya::Locator::getRoot().getGraphics()->getCamera()->getVPMatrix();
for(auto unitIter : getUnitMap())
{
Unit* unit = unitIter.second;
//vec4 onScreen(unit->getEntity()->getPosition(), 1.0);
//onScreen = vpMatrix * onScreen;
//onScreen.x /= onScreen.w;
//onScreen.y /= onScreen.w;
//unit->setScreenPosition(vec2(onScreen.x, onScreen.y));
unit->update(gameTimer);
}
for(auto unit : localFaction->getUnits())
unit->checkForEnemies();
}
void GameSessionInput::selectAll()
{
Faction* lf = session->getLocalFaction();
if(!lf) return;
for(list<Unit*>::iterator it = lf->getUnits().begin();
it != lf->getUnits().end(); ++it)
(*it)->setSelected(true);
}
void GameSessionInput::moveSelectedUnits()
{
vec3 clickPos = Root::shared().getDepthResult();
vec2 clickPos2(clickPos.x, clickPos.z);
Faction* lf = session->getLocalFaction();
if(!lf) return;
// did we click on an enemy unit
Unit* best_unit = 0;
float best_distance = 100.0;
//Faction* from_faction = 0;
float dist;
for(unsigned int j = 0; j < session->getFactions().size(); ++j) {
if(session->getFactions()[j] == lf) continue;
for(list<Unit*>::iterator it = session->getFactions()[j]->getUnits().begin();
it != session->getFactions()[j]->getUnits().end(); ++it)
{
dist = glm::distance((*it)->getPosition2(), clickPos2);
if(dist < (*it)->getInfo()->radius && dist < best_distance)
{
best_distance = dist;
best_unit = (*it);
}
}
}
vec2 centerPos(0,0); //average position of selected units
vector<int> unitIds;
vector<vec2> unitPositions;
for(list<Unit*>::iterator it = lf->getUnits().begin(); it != lf->getUnits().end(); ++it)
if((*it)->isSelected())
{
centerPos += (*it)->getPosition2();
unitPositions.push_back((*it)->getPosition2());
unitIds.push_back((*it)->getId());
}
int numSelected = unitIds.size();
if(!numSelected) return;
centerPos /= (float)numSelected;
//FOR NOW: we only use pathfinding for normal walking, not for attacking
if(best_unit)
{
Event& ev = Game::shared().getEventManager()->createEvent(EVENT_ATTACK_MOVE_UNIT_REQUEST);
ev << numSelected;
for(unsigned int i = 0; i < unitIds.size(); ++i)
ev << unitIds[i] << best_unit->getId();
ev.send();
}
else
{
//Movement from centerPos to clickPos
vec2 target(clickPos.x, clickPos.z);
//Find a path
std::vector<vec2> pathNodes;
//session->findPath(centerPos,target,pathNodes);
if(pathNodes.empty()) pathNodes.push_back(target);
//Now calculate the position of each unit relative to each other
vector<vec2> relativePositions(unitIds.size());
vec2 direction = glm::normalize(target - centerPos);
vec2 perpendicular(-direction.y, direction.x); //right hand rule
float spread = 20.0f;
int perRow = (int)(glm::sqrt((float)numSelected) + 0.99);
direction *= spread;
perpendicular *= spread;
vector<bool> unitTaken(unitIds.size(),false);
for(int i = 0; i < numSelected; ++i)
{
//This loops over the target spots in such a way that it first loops the points that are furthest away.
//When the units are coming from the BOTTOM the order is like this:
//1 2 3
//4 5 6
//7 8 9
vec2 targetSpot = target + float(perRow/2 - i/perRow)*direction + float(i%perRow - perRow/2)*perpendicular;
//Select closest unit
int bestIndex = -1;
float bestDistance = 0;
for(int j = 0; j < numSelected; ++j)
{
if(unitTaken[j]) continue;
float dist = glm::distance(unitPositions[j],targetSpot);
if(bestIndex == -1 || dist < bestDistance)
{
bestIndex = j;
bestDistance = dist;
}
}
relativePositions[bestIndex] = targetSpot - target;
unitTaken[bestIndex] = true;
}
//Relative positions to center have been calculated. Now send the packet
Event& ev = Game::shared().getEventManager()->createEvent(EVENT_MOVE_UNIT_REQUEST);
ev << numSelected;
for(int i = 0; i < numSelected; ++i)
{
ev << unitIds[i];
ev << (int)pathNodes.size();
for(unsigned int j = 0; j < pathNodes.size(); ++j)
{
ev << pathNodes[j] + relativePositions[i];
}
}
ev.send();
}
}
void Server::handlePacket(ServerClientHandler* clienthandler, Packet& packet)
{
clientIterator iter = clientList.find(clienthandler);
if(iter == clientList.end())
{
LOG_WARNING("Received packet from unkown client!");
return;
}
ServerClient* client = iter->second;
switch(packet.getId()){
case EVENT_JOIN_GAME:
{
client->setClientId(clientIdFactory++); Packet* pak = createPacket(EVENT_CLIENT_ID); *pak << client->getClientId(); clienthandler->sendPacket(pak);
//Create faction
client->createFaction();
client->createStartUnits();
int joinedCount = 0;
for(clientIterator iter = clientList.begin(); iter != clientList.end(); ++iter)
{
if( iter->second->getClientId() != -1 ) ++joinedCount;
}
LOG_INFO("Clients joined: " << joinedCount);
if(joinedCount >= 1)
{
pak = createPacket(EVENT_GAME_READY);
//Send to all clients
sendToAllClients(pak);
pak = createPacket(EVENT_GAME_FULLSTATE);
//------------------------------------
// Package structure:
// + joinedCount
// - clientID
// - Serialized faction
// + UnitCount
// - Serialized unit
//------------------------------------
*pak << joinedCount; //player count
//for each player:
for(clientIterator iter = clientList.begin(); iter != clientList.end(); ++iter)
{
if(iter->second->getClientId() == -1) continue;
*pak << iter->second->getClientId();
Faction* faction = iter->second->getFaction();
faction->serialize(*pak);
int unitCount = (int)faction->getUnits().size();
*pak << unitCount;
for(std::list<Unit*>::iterator iter = faction->getUnits().begin(); iter != faction->getUnits().end(); ++iter)
(*iter)->serialize(*pak);
}
sendToAllClients(pak);
}
break;
}
default:
LOG_INFO("Unknown package received..");
break;
}
return;
}