Enemy.cpp

#include "Enemy.h"
#include "Sounds.h"
#include "GameLoop.h"

#define currentpos QPointF(getX(), getY())

double kirbyDistance(QPointF pos) {
	return abs(pitagoricDistance(GameLoop::getInstance().getKirbyPos(), pos));

}

void WaddleDee::tick(double delta)
{
	double dist = kirbyDistance(currentpos);
	if (dist <= 2 && dist >= 1.95 && isGrounded())
		jump(-5);
	
	accel.y = 9.8;

	if (this->hit && lastHitNormals.x != 0 && lastHitNormals.y == 0) 
		velocity.x = maxwalkspeed * (velocity.x > 0 ? 1 : -1);
	
	Enemy::tick(delta);
}

void HotHead::tick(double delta)
{	
	accel.y = 9.8;
	
	if (this->hit && lastHitNormals.x != 0 && lastHitNormals.y == 0) 
		accel.x = maxwalkspeed * (velocity.x > 0 ? 1 : -1);
	
	Enemy::tick(delta);
}

void PoppyBrosJr::tick(double delta)
{
	accel.y = 9.8;

	
	accel.x = 1.2*maxwalkspeed * (GameLoop::getInstance().getKirbyPos().x() > getX() ? 1 : -1);
	if (abs(GameLoop::getInstance().getKirbyPos().x() - getX()) < 4 && (GameLoop::getInstance().getKirbyPos().y() < getY()) && isGrounded())
		jump(-8);

	if (this->hit && lastHitNormals.x != 0 && lastHitNormals.y == 0)
		accel.x = maxwalkspeed * (velocity.x > 0 ? 1 : -1);
	

	if (!(rand() % 120)) {

		QPointF kirbyPos = GameLoop::getInstance().getKirbyPos();
		QPointF startPos = getCollider().center();
		// Invert y
		//startPos.setY(startPos.y() * -1);
		kirbyPos.setY(kirbyPos.y()-2);

		KA::Vec2Df anglebetweenkirbyandpoppy = getLineBetweenVerts(startPos, kirbyPos);

		double ang = (anglebetweenkirbyandpoppy.x);
		//while (ang > M_PI / 4.0) {
		//	ang -= (M_PI / 4.0);
		//}

		double dY = kirbyPos.y() - startPos.y(), dX = kirbyPos.x() - startPos.x();

		double hit_time = 0.4;
		double VxSq = pow(dX/hit_time,2);

		


		double finalangle = 0;
		double xVelFinal = 90;
		double yVelFinal = 90;
		double FModule = 999;

		double FA = atan((dY + (9.81 * (pow(kirbyPos.x(), 2) + pow(startPos.x(), 2) - (2 * startPos.x() * kirbyPos.x())) / (2 * VxSq))) / dX);

		
		 xVelFinal = sqrt(VxSq) * (dX < 0 ? -1 : 1);
		 FModule = (xVelFinal / cos(FA));
		 yVelFinal = FModule * sin(FA);


		if (abs(FModule) > 35)
			return;

		//std::cout << "Shooting with xVel: " << xVelFinal << " and yVel: " << yVelFinal << " and Module: " << FModule << "\n";

		objects::ObjectID targets[] = { objects::KIRBY };
		Projectile* p = new Projectile(getCollider().center(),
			KA::Vec2Df{ 0,0 },
			TextureManager::getInstance().getAnimatable(TexManager::SWORD), targets, 1,
			1500, 0.35);
		p->velocity = {xVelFinal, yVelFinal};
		GameLoop::getInstance().addElement(dynamic_cast<GameObject*>(p));
	}

	Enemy::tick(delta);
}


void BrontoBurt::tick(double delta) {

	time += delta;
	accel.x = -1;
	accel.y = Y_accel * (sin(2 * M_PI * 0.6 * time));

	if (this->hit && lastHitNormals.x != 0 && lastHitNormals.y == 0) {
		accel.x = maxwalkspeed * (velocity.x > 0 ? 1 : -1);
		//velocity.x = 0;
		//std::cout << "Hit: " << lastHitNormals.x << ":" << lastHitNormals.y << "\n";
	}
	Enemy::tick(delta);
}


void Sparky::tick(double delta) {
	accel.y = 9.8;
	//if (this->hit && lastHitNormals.x != 0 && lastHitNormals.y == 0) {
		//accel.x = maxwalkspeed * (velocity.x > 0 ? 1 : -1);
		//velocity.x = 0;
		//std::cout << "Hit: " << lastHitNormals.x << ":" << lastHitNormals.y << "\n";
	//}

	if (!(rand() % 200)) {
		animator->playOneShot(TextureManager::getInstance().getAnimatable(TexManager::SPARKY_JUMP));
		jump(-4);
		
		objects::ObjectID targets[] = { objects::KIRBY };

		int steps = 25;
		for (int i = 0; i < steps; i++) {
			Projectile* p = new Projectile(getCollider().center(),
				KA::Vec2Df{ 0,0 },
				TextureManager::getInstance().getAnimatable(TexManager::SPARKY_JUMP), targets, 1,1500, 0.15);
			

			p->velocity = {sin(M_PI * (i - (steps/2.0))/steps), -6 * cos(M_PI * (i - (steps / 2.0)) / steps) };
			GameLoop::getInstance().addElement(dynamic_cast<GameObject*>(p));
			
		}

	}

	Enemy::tick(delta);
}