#include "towers.h"

#include <cmath>

Towers::Towers(Game_Data *gd, QObject *parent) :
		QObject(parent)
{
	gameData = gd;
}

bool Towers::addTower(int playerId, int srcId, QPoint pos)
{
	//QByteArray ar;
	//ar << pos;
	if (playerId < 0 || playerId >= gameData->players.size())
	{
		qCritical("ERROR out of players range");
		return false;
	}
	if (srcId < 0 || srcId >= gameData->players.at(playerId)->srcTowers.size())
	{
		qCritical("ERROR out of towers range");
		return false;
	}
	TowerType tw;
	tw.src = srcId;
	tw.imgType = gameData->players.at(playerId)->srcTowers.at(srcId).imgType;
	tw.PlayerId = playerId;
	tw.angle = 0;
	tw.build = 0;
	tw.reload = 0;
	tw.aim = -1;
	//tw .oldAim = -1;
	if (gameData->map->addTowerOnMap(playerId,pos))
	{
		tw.pos = pos;
		gameData->map->printMap();
		gameData->curTowers.insert(tw.pos,tw);
		return true;
	}
	return false;
}


void Towers::delTower(QPoint pos)
{
	gameData->curTowers.remove(pos);
}


void Towers::update()
{
	for (QHash<QPoint, TowerType>::iterator i = gameData->curTowers.begin(); i != gameData->curTowers.end(); ++i)
	{
		srcTowerType stw = gameData->players.at((*i).PlayerId)->srcTowers.at((*i).src);
		if ((*i).build < stw.buildTime)
		{
			(*i).build++;
		} else {
			if (gameData->players.at((*i).PlayerId)->selectAlienId > 0)
			{
				AlienType al = gameData->curAliens.value(gameData->players.at((*i).PlayerId)->selectAlienId);
				float dist = (al.pos.x() - (*i).pos.x())*(al.pos.x() - (*i).pos.x()) + (al.pos.y() - (*i).pos.y())*(al.pos.y() - (*i).pos.y());
				if (dist < stw.radius) (*i).aim = al.id;
			}
			if ((*i).aim < 0)
			{
				for (QHash<int, AlienType>::iterator j = gameData->curAliens.begin(); j != gameData->curAliens.end(); ++j)
				{
					float dist = ((*j).pos.x() - (*i).pos.x())*((*j).pos.x() - (*i).pos.x()) + ((*j).pos.y() - (*i).pos.y())*((*j).pos.y() - (*i).pos.y());
					if (dist < stw.radius) (*i).aim = (*j).id;
					else (*i).aim = -1;
				}
			}
			// TODO: rotate tower to aim
			if ((*i).reload < stw.reload)
				(*i).reload++;
			else
			{
				if ((*i).aim > 0)
					emit shot(stw.splashes.at(0), 0, (*i));
			}
		}
	}
}