Bullet.cpp

#include "include.h"

Bullet::Bullet(int x, int y, int speed, int atk, int color, BULLET id) :
	pos_x(x), pos_y(y), speed(speed), atk(atk), color(color), id(id), valid(1),status_count(0) {}

bool Bullet::move()
{
	if (status_count >= speed)
	{
		int x = pos_x - 1;
		int y = pos_y - ROW_HIGH / 2;
		int i = 0;
		pos_x++;
		Zombie* zombie = zlist.getZombie(x - 5, y);
		while (zombie == NULL && i < 6)
			zombie = zlist.getZombie(x + (i++) - 5, y);
		if (zombie == NULL)
		{
			status_count = 0;
			if (pos_x >= WINDOWS_WIDTH - 1)
				valid = 0;
		}
		else
		{
			zombie->beHit(atk);
			valid = 0;
		}
	}
	else
		status_count++;
	return valid;
}

BULLET Bullet::getID() const
{
	return id;
}

void BulletList::reinit()
{
	for (auto i = bullet_list.begin(); i != bullet_list.end();)
	{
		delete (*i);
		i = bullet_list.erase(i);
	}
}

BulletList::BulletList() {}

BulletList::~BulletList()
{
	reinit();
}

void BulletList::addBullet(Bullet* blt)
{
	bullet_list.push_back(blt);
}

void BulletList::bulletOperate()
{
	for (std::vector<Bullet*>::iterator i = bullet_list.begin();
		i != bullet_list.end();)
	{
		if (!(*i)->move())
		{
			fixBullet(**i);
			delete (*i);
			i = bullet_list.erase(i);
		}
		else
		{
			showBullet(**i);
			i++;
		}
	}
}

IceBullet::IceBullet(int x, int y, int speed, int atk, int color, BULLET id, int ice_time) :
	Bullet(x, y, speed, atk, color, id), ice_time(ice_time)
{}

bool IceBullet::move()
{
	if (status_count >= speed)
	{
		int x = pos_x - 1;
		int y = pos_y - 3;
		int i = 0;
		pos_x++;
		Zombie* zombie = zlist.getZombie(x - 5, y);
		while (zombie == NULL && i < 6)
			zombie = zlist.getZombie(x + (i++) - 5, y);
		if (zombie == NULL)
		{
			status_count = 0;
			if (pos_x >= WINDOWS_WIDTH - 1)
				valid = 0;
		}
		else
		{
			zombie->beHit(atk);
			zombie->beSlowed(ice_time);
			valid = 0;
		}
	}
	else
		status_count++;
	return valid;
}

Basketball::Basketball(int x, int y, int speed, int atk, int color, BULLET id, int target_col) :
	Bullet(x, y, speed, atk, color, id), target_col(target_col)
{}

bool Basketball::move()
{
	if (status_count >= speed)
	{
		status_count = 0;
		pos_x--;
		if (pos_x <= 0)
			valid = 0;
		int r = (pos_y - 1- TOP_HIGH) / (ROW_HIGH + 1);
		int c = (pos_x + COL_WIDTH / 2) / (COL_WIDTH + 1);
		if (c == target_col)
		{
			Plant* p = plist.getPlant(r, c);
			if (p)
				p->beEaten(atk);
			valid = 0;
		}
	}
	else
		status_count++;
	return valid;
}