4jcraft/targets/minecraft/client/particle/SpellParticle.cpp

#include "SpellParticle.h"

#include "java/JavaMath.h"
#include "minecraft/client/particle/Particle.h"

class Level;

SpellParticle::SpellParticle(Level* level, double x, double y, double z,
                             double xa, double ya, double za)
    : Particle(level, x, y, z, xa, ya, za) {
    yd *= 0.2f;
    if (xa == 0 && za == 0) {
        xd *= 0.1f;
        zd *= 0.1f;
    }

    size *= 0.75f;

    lifetime = (int)(8 / (Math::random() * 0.8 + 0.2));
    noPhysics = false;

    baseTex = 8 * 16;
}

void SpellParticle::render(Tesselator* t, float a, float xa, float ya, float za,
                           float xa2, float za2) {
    float l = ((age + a) / lifetime) * 32;
    if (l < 0) l = 0;
    if (l > 1) l = 1;

    Particle::render(t, a, xa, ya, za, xa2, za2);
}

void SpellParticle::tick() {
    xo = x;
    yo = y;
    zo = z;

    if (age++ >= lifetime) remove();

    setMiscTex(baseTex + (7 - age * 8 / lifetime));

    yd += 0.004;
    move(xd, yd, zd);
    if (y == yo) {
        xd *= 1.1;
        zd *= 1.1;
    }
    xd *= 0.96f;
    yd *= 0.96f;
    zd *= 0.96f;

    if (onGround) {
        xd *= 0.7f;
        zd *= 0.7f;
    }
}

void SpellParticle::setBaseTex(int baseTex) { this->baseTex = baseTex; }