void effect::drawaura(rpgent *d, float size, int type, int elapse)
{
if(size <= 0) return;
size *= this->size;
int fade, gravity, num;
setvars(this, type, fade, gravity, num);
num *= .2 * PI * d->radius / (1 + size) * partmul * (elapse ? logf(elapse) / 3 : 1);
if(elapse && !num && rnd(int(10 / partmul))) return; //sometimes particles should not be drawn
num = max<int>(1, num);
loopi(num)
{
vec pos = vec(rnd(360) * RAD, 0).mul(d->radius + size).add(d->feetpos());
switch(particle)
{
case PART_EXPLOSION:
case PART_EXPLOSION_BLUE:
particle_fireball(pos, size, particle, fade, colour, size);
break;
case PART_STREAK:
case PART_LIGHTNING:
if(!curtime) return;
particle_flare(pos, vec(0, 0, d->eyeheight + d->aboveeye).add(pos), fade, particle, colour, size);
break;
default:
if(gravity >= 0)
pos.add(vec(0, 0, d->eyeheight + d->aboveeye));
particle_splash(particle, 2, fade, pos, colour, size, max<int>(1, size * 2), gravity);
break;
}
}
}
void effect::drawcone(vec &o, vec dir, vec &axis, int angle, float radius, float size, int type, int elapse)
{
if(size <= 0) return;
size *= this->size;
int fade, gravity, num;
setvars(this, type, fade, gravity, num);
num *= angle * (particle == PART_STREAK || particle == PART_LIGHTNING ? 1 : partmul) /
size / 30 * (elapse ? logf(elapse) / 3 : 1);
num = max<int>(1, num);
loopi(num)
{
vec ray = vec(dir).rotate(rnd(angle + 1) * RAD, axis).rotate(rnd(360), dir).mul(radius);
switch(particle)
{
case PART_EXPLOSION:
case PART_EXPLOSION_BLUE:
ray.mul(rnd(101)/100.f).add(o);
particle_fireball(ray, size, particle, fade, colour, size);
break;
case PART_STREAK:
case PART_LIGHTNING:
if(!curtime) return;
particle_flare(o, ray.add(o), fade, particle, colour, size);
break;
default:
ray.mul(rnd(101)/100.f).add(o);
particle_splash(particle, 2, fade, ray, colour, size, max<int>(1, size * 2), gravity);
break;
}
}
}
void rpgent::tryattack(vec &lookatpos, rpgobj &weapon)
{
if(lastmillis-lastaction<weapon.s_attackrate) return;
lastaction = lastmillis;
switch(weapon.s_usetype)
{
case 1:
if(!weapon.s_damage) return;
weapon.usesound(this);
loopallrpgobjsexcept(ro) tryattackobj(*eo, weapon);
break;
case 2:
{
if(!weapon.s_damage) return;
weapon.usesound(this);
particle_splash(PART_SPARK, 200, 250, lookatpos, 0xB49B4B, 0.24f);
vec flarestart = o;
flarestart.z -= 2;
particle_flare(flarestart, lookatpos, 600, PART_STREAK, 0xFFC864, 0.28f); // FIXME hudgunorigin(), and shorten to maxrange
float bestdist = 1e16f;
rpgobj *best = NULL;
loopallrpgobjsexcept(ro)
{
if(eo->ent->state!=CS_ALIVE) continue;
if(!intersect(eo->ent, o, lookatpos)) continue;
float dist = o.dist(eo->ent->o);
if(dist<weapon.s_maxrange && dist<bestdist)
{
best = eo;
bestdist = dist;
}
}
if(best) weapon.useaction(*best, *this, true);
break;
}
case 3:
if(weapon.s_maxrange) // projectile, cast on target
{
if(magicprojectile) return; // only one in the air at once
if(!ro->usemana(weapon)) return;
magicprojectile = true;
mpweapon = &weapon;
mppos = o;
//mpdir = vec(yaw*RAD, pitch*RAD);
float worlddist = lookatpos.dist(o, mpdir);
mpdir.normalize();
mpdist = min(float(weapon.s_maxrange), worlddist);
}
else
{
weapon.useaction(*ro, *this, true); // cast on self
}
break;
}
}
void effect::drawsplash(vec &o, vec dir, float radius, float size, int type, int elapse)
{
if(size <= 0) return;
size *= this->size;
int fade, gravity, num;
setvars(this, type, fade, gravity, num);
num *= .1 * radius / (1 + size) * partmul * (elapse ? logf(elapse) / 3 : 1);
if(elapse && !num && rnd(int(10 / partmul))) return; //sometimes particles should not be drawn
num = max(1, num);
switch(particle)
{
case PART_EXPLOSION:
case PART_EXPLOSION_BLUE:
particle_fireball(o, radius ? radius : size, particle, fade, colour, size);
break;
case PART_STREAK:
case PART_LIGHTNING:
if(!curtime) break;
if(!radius) //assume num == 1
{
vec offset = vec(dir).mul(-2 * size).add(o);
particle_flare(offset, o, fade, particle, colour, size);
}
else
{
num = (num / 2 + num % 2);
loopi(num)
{
vec offset = vec(rnd(360) * RAD, (90 - rnd(180)) * RAD).mul(radius);
vec offset2 = vec(rnd(360) * RAD, rnd(360) * RAD).mul(radius);
particle_flare(vec(o).sub(offset), vec(o).add(offset2), fade, particle, colour, size);
}
}
break;
default:
particle_splash(particle, num, fade, o, colour, size, max<int>(1, radius), gravity);
break;
}
}
bool effect::drawline(vec &from, vec &to, float size, int type, int elapse)
{
if(size <= 0) return false;
size *= this->size;
int fade, gravity, num;
setvars(this, type, fade, gravity, num);
num *= from.dist(to) / (10 * size) * partmul * (elapse ? logf(elapse) / 3 : 1);
if(particle == PART_STREAK || particle == PART_LIGHTNING)
num /= 2;
num = min<int>(min(num, linemaxsteps), from.dist(to) / linemininterval);
if(!num) return false;
vec delta = vec(to).sub(from).div(num);
loopi(num)
{
switch(particle)
{
case PART_EXPLOSION:
case PART_EXPLOSION_BLUE:
particle_fireball(from, size * 2, particle, fade, colour, size * 2);
break;
case PART_STREAK:
case PART_LIGHTNING:
{
if(!curtime) return false;
vec start = vec(rnd(360) * RAD, rnd(360) * RAD).mul(4 * size).add(from);
vec end = vec(delta).mul(1.5).add(start);
particle_flare(start, end, fade, particle, colour, size);
break;
}
default:
particle_splash(particle, 2, fade, from, colour, size, max<int>(1, size * 5), gravity);
break;
}
from.add(delta);
}
return true;
}