#include "../../Platform/stdafx.h"
#include "EnderParticle.h"
#include "../../../Minecraft.World/Util/JavaMath.h"
#include "../../../Minecraft.World/Util/Random.h"

// 4J Stu - This class was originally "PortalParticle" but I have split the two
// uses of the particle End creatures/items (e.g. EnderMan, EyeOfEnder, etc) use
// this particle

EnderParticle::EnderParticle(Level* level, double x, double y, double z,
                             double xd, double yd, double zd)
    : Particle(level, x, y, z, xd, yd, zd) {
    this->xd = xd;
    this->yd = yd;
    this->zd = zd;
    this->xStart = this->x = x;
    this->yStart = this->y = y;
    this->zStart = this->z = z;

    // 4J-JEV: Set particle colour from colour-table.
    unsigned int col = Minecraft::GetInstance()->getColourTable()->getColor(
        eMinecraftColour_Particle_Ender);  // 0xE54CFF
    rCol = ((col >> 16) & 0xFF) / 255.0f, gCol = ((col >> 8) & 0xFF) / 255.0,
    bCol = (col & 0xFF) / 255.0;

    float br = random->nextFloat() * 0.6f + 0.4f;
    rCol *= br;
    gCol *= br;
    bCol *= br;

    // rCol = gCol = bCol = 1.0f*br;
    // gCol *= 0.3f;
    // rCol *= 0.9f;

    oSize = size = random->nextFloat() * 0.2f + 0.5f;

    lifetime = (int)(Math::random() * 10) + 40;
    noPhysics = true;
    setMiscTex((int)(Math::random() * 8));
}

void EnderParticle::render(Tesselator* t, float a, float xa, float ya, float za,
                           float xa2, float za2) {
    float s = (age + a) / (float)lifetime;
    s = 1 - s;
    s = s * s;
    s = 1 - s;
    size = oSize * (s);
    Particle::render(t, a, xa, ya, za, xa2, za2);
}

// 4J - brought forward from 1.8.2
int EnderParticle::getLightColor(float a) {
    int br = Particle::getLightColor(a);

    float pos = age / (float)lifetime;
    pos = pos * pos;
    pos = pos * pos;

    int br1 = (br) & 0xff;
    int br2 = (br >> 16) & 0xff;
    br2 += (int)(pos * 15 * 16);
    if (br2 > 15 * 16) br2 = 15 * 16;
    return br1 | br2 << 16;
}

float EnderParticle::getBrightness(float a) {
    float br = Particle::getBrightness(a);
    float pos = age / (float)lifetime;
    pos = pos * pos;
    pos = pos * pos;
    return br * (1 - pos) + pos;
}

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

    float pos = age / (float)lifetime;
    float a = pos;
    pos = -pos + pos * pos * 2;
    //        pos = pos*pos;
    //        pos = pos*pos;
    pos = 1 - pos;

    x = xStart + xd * pos;
    y = yStart + yd * pos + (1 - a);
    z = zStart + zd * pos;

    //        spd+=0.002/lifetime*age;

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

    //        move(xd*spd, yd*spd, zd*spd);
}