#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)
{
	qFatal("don't use this function addSplash(int srcId, QPointF pos)");
	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(srcSplashType src, int index, TowerType tw)
{
	SplashType spl;
	spl.id = nextId;
	spl.TowerId = tw.pos;
	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: pos not in center or left-angle of tower
	spl.imgType = src.imgType;
	spl.life = 0;
	spl.src = index;
	TriggerType trig;
	for(int i=0; i<src.triggerIndexes.size(); i++)
	{
		trig.timer = gameData->players.at(tw.PlayerId)->srcTowers.at(tw.src).triggers.at(src.triggerIndexes.at(i)).timer;
		trig.src = src.triggerIndexes.at(i);
		spl.triggers.push_back(trig);
	}
	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);
			curDead = spl.id;
		}
		//isTowerSplash = true;
		//if (!isTowerSplash)
		//	src = gameData->srcSplashes.at(spl.src);


		if (distance2(spl.pos, spl.destination) < src.speed*src.speed)
		{
			deadIndexes.push_back(spl.id);
			curDead = spl.id;
		}
		if (curDead < 0)
		{
			if (src.autoControl)
			{
				if (gameData->curAliens.contains(spl.AlienId))
					spl.destination = gameData->curAliens.value(spl.AlienId).pos;
			}
			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));
		}


		// TODO: smooth splash rotate
		// TODO: activate trigger and more...
		gameData->curSplashes.insert(spl.id,spl);
	}
	for (int j=0; j<deadIndexes.size(); j++)
		//delAlien(missIndex.at(j));
		delSplash(deadIndexes.at(j));
}


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