#include "splashes.h"
#include <cmath>

Splashes::Splashes(Game_Data *gd, QObject *parent) :
		QObject(parent)
{
	gameData = gd;
	nextId = 1;
}


bool Splashes::addSplash(int srcId, QPointF pos)
{
	qDebug("don't use this function addSplash(int srcId, QPointF pos)");
	return false;
	// FIXME: говнокод
	// TODO: find and correct errors here
	/*	if (srcId < 0 || srcId >= gameData->srcSplashes.size())
	{
		qCritical("ERROR out of splashes range");
		return false;
	}
	srcSplashType src = gameData->srcSplashes.at(srcId);
	SplashType spl;// = gameData->srcAliens.at(srcId);
	spl.id = nextId;
	spl.src = srcId;
	spl.TowerId = QPoint(-1,-1);
	spl.life = 0;
	spl.imgType = src.imgType;
	if (!gameData->map->rect().contains(pos.toPoint()))
	{
		qCritical("ERROR splash out of map size");
		return false;
	}
	spl.pos = pos;
	spl.AlienId = -1;
	spl.angle = 0;
	spl.destination = pos;
	TriggerType trig;
	for(int i=0; i<src.triggerIndexes.size(); i++)
	{
		trig.timer = gameData->srTriggers.at(src.triggerIndexes.at(i)).timer;
		trig.src = src.triggerIndexes.at(i);
		spl.triggers.push_back(trig);
	}
	gameData->curSplashes.insert(spl.id,spl);
	nextId++;
	return true;*/
}


void Splashes::addSplash(QPoint curTowerId)
{
	if (gameData->curTowers.contains(curTowerId))
	{
		TowerType tw = gameData->curTowers.value(curTowerId);
		srcSplashType src = gameData->players.at(tw.PlayerId)->srcTowers.at(tw.src).splashes.at(0);
		SplashType spl;
		spl.id = nextId;
		spl.TowerId = curTowerId;
		spl.srcTower = tw.src;
		spl.PlayerId = tw.PlayerId;
		if (!gameData->curAliens.contains(tw.aim))
			qFatal("Error finding splash aim! Tower has nvalid aim!");
		spl.destination = gameData->curAliens.value(tw.aim).pos;
		if (src.autoControl)
			spl.AlienId = tw.aim;
		else
			spl.AlienId = -1;
		spl.angle = tw.angle;
		spl.pos = tw.pos; // FIXME: splash do not create in center or left-angle of tower, it must be in tower's side
		spl.imgType = src.imgType;
		spl.life = 0;
		spl.src = 0;
		//TriggerType trig;
		for(int i=0; i<src.triggerIndexes.size(); i++)
		{
			srcTriggerType trig;
			TriggerOnDest tod;
			TriggerOnAlien toa;
			TriggerOnTimer tot;
			trig = gameData->players.at(tw.PlayerId)->srcTowers.at(tw.src).triggers.at(src.triggerIndexes.at(i));
			switch (trig.type)
			{
			case srcTriggerType::onDestination :
				tod.src = src.triggerIndexes.at(i);
				spl.trigsOnDest.append(tod);
				break;
			case srcTriggerType::onAlienInRadius :
				toa.src = src.triggerIndexes.at(i);
				spl.trigsOnAlien.append(toa);
				break;
			case srcTriggerType::onTimer :
				tot.src = src.triggerIndexes.at(i);
				tot.timer = trig.timer;
				spl.trigsOnTimer.append(tot);
				break;
			}
		}
		gameData->curSplashes.insert(spl.id,spl);
		nextId++;
	}
}


void Splashes::update()
{
	QList <int> deadIndexes;
	for (int i=0; i<gameData->curSplashes.size(); i++)
	{
		//int curDead = -1;
		float arctg,angl;
		SplashType spl = gameData->curSplashes.values().at(i);
		//bool isTowerSplash = false;
		srcSplashType src;
		TowerType tw;
		tw = gameData->curTowers.value(spl.TowerId);
		src = gameData->players.at(tw.PlayerId)->srcTowers.at(tw.src).splashes.at(spl.src);
		spl.life++;
		if (spl.life > src.lifetime)
			deadIndexes.append(spl.id);
		//isTowerSplash = true;
		//if (!isTowerSplash)
		//	src = gameData->srcSplashes.at(spl.src);
		if (src.autoControl)
		{
			bool badAl = false;
			if (gameData->curAliens.contains(spl.AlienId))
				spl.destination = gameData->curAliens.value(spl.AlienId).pos;
			else
				badAl = true;
			if (distance2(spl.pos, spl.destination) < src.speed*src.speed)
			{
				if (badAl)
					deadIndexes.push_back(spl.id);
				spl.pos = spl.destination;
				for (int k=0; k<spl.trigsOnDest.size(); k++)
				{
					// TODO: activate trigger
				}
			}
			arctg = std::atan2(spl.pos.x() - spl.destination.x(),spl.pos.y() - spl.destination.y());
			//if (tmpdy < 0) arctg=arctg+M_PI;
			angl = 180.0f*(-arctg)/M_PI;
			spl.angle = angl;
			spl.pos.setX(spl.pos.x()
						 -src.speed*std::sin(arctg));
			spl.pos.setY(spl.pos.y()
						 -src.speed*std::cos(arctg));
		} else {
			if (!gameData->map->rect().contains(spl.pos.toPoint()))
				deadIndexes.push_back(spl.id);
			spl.pos.setX(spl.pos.x()
						 -src.speed*std::sin(-spl.angle*M_PI/180.f));
			spl.pos.setY(spl.pos.y()
						 -src.speed*std::cos(-spl.angle*M_PI/180.f));
		}
		// TODO: smooth splash rotate
		// TODO: activate trigger and more...
		gameData->curSplashes.insert(spl.id,spl);
	}
	for (int j=0; j<deadIndexes.size(); j++)
		delSplash(deadIndexes.at(j));
}


void Splashes::delSplash(int Id)
{
	gameData->curSplashes.remove(Id);
}