void Stage::perform(double dt, Unit* hero)
{
for(int i = 0; i < units.size(); i++)
{
if(!isOffScreen(units[i]))
{
units[i]->increment(dt); //if it's on screen draw it
}
else
{
if(units[i]->isBullet())
{
units[i]->setHealth(0); //if a bullet goes off screen don't draw it
}
}
if (units[i]->getHealth() <= 0)
{
removeUnit(units[i]);
i--;
}
//checkCollisions(units[i],dt);
checkCollisions(units[i]);
}
adjustUnits();
xoffset = -hero->getx() + SCREEN_WIDTH/2;
yoffset = -hero->gety() + SCREEN_HEIGHT/2;
}
/* monster can be removed if they are off-screen
* or if they are dead
*/
bool monster::canBeRemoved()
{
if (isOffScreen(SCREEN_WIDTH, SCREEN_HEIGHT)) //JG TODO fix this hack
{
return true;
}
if ((currentState == RS_DEAD) &&
(sprites[MAIN_SPRITE].getAnimationState() == AS_DEAD))
{
return true;
}
return false;
}
/* bullets can be removed if they are off screen or
* if they have been "killed"
*/
bool Bullet::canBeRemoved()
{
if (isOffScreen(SCREEN_WIDTH, SCREEN_HEIGHT)) //JG TODO fix this hack
{
return true;
}
if ((currentState == RS_DEAD) &&
(sprites[BULLET_RED_SPRITE_INDEX].getAnimationState() == AS_DEAD))
{
return true;
}
return false;
}
void Stage::adjustUnits()
{
bool topleft,topright,botleft,botright;
for(int i = 0; i<units.size(); i++)
{
// cout << "Needing to adjust unit" << endl;
if(units[i]->isBullet())
{
if(!isInBounds(units[i]->getx(), units[i]->gety()))
{
// cout << "subtracting from hero's current bullets" << endl;
units[i]->setHealth(0);
continue;
}
else if(isOffScreen(units[i]))
{
units[i]->setHealth(0);
continue;
}
}
else
{
topleft = topright = botleft = botright = 1;
//if topleft is in bounds
//if top right is in bounds
//if bottom left is in bounds
//if bottom right is in bounds
for(int j =0; j<sqrt(((units[i]->getx()*units[i]->getx())+(units[i]->gety()*units[i]->gety())));j++)
{
if(isInBounds(units[i]->getx(),units[i]->gety()))
topleft = 0;
if(isInBounds(units[i]->getx()+SPRWIDTH,units[i]->gety()))
topright = 0;
if(isInBounds(units[i]->getx(),units[i]->gety()+SPRLENGTH))
botleft = 0;
if(isInBounds(units[i]->getx()+SPRWIDTH,units[i]->gety()+SPRLENGTH))
botright = 0;
if(topright || botright || botleft || topleft)
{
if(topright)
{
if(botright)
{
units[i]->setx(units[i]->getx()-1);
}
if(topleft)
{
units[i]->sety(units[i]->gety()+1);
}
if(!botright && !topleft)
{
units[i]->setx(units[i]->getx()-1);
units[i]->sety(units[i]->gety()+1);
}
}
else if(topleft)
{
if(botleft)
{
units[i]->setx(units[i]->getx()+1);
}
else
{
units[i]->setx(units[i]->getx()+1);
units[i]->sety(units[i]->gety()+1);
}
}
else if(botright)
{
if(botleft)
{
units[i]->sety(units[i]->gety()-1);
}
else
{
units[i]->sety(units[i]->gety()-1);
units[i]->setx(units[i]->getx()-1);
}
}
else
{
units[i]->sety(units[i]->gety()-1);
units[i]->setx(units[i]->getx()+1);
}
}
else
break;
}
}
}
}