#include "ExplodeParticle.h"

#include "minecraft/GameEnums.h"
#include "app/common/Colours/ColourTable.h"
#include "java/JavaMath.h"
#include "java/Random.h"
#include "minecraft/client/Minecraft.h"
#include "minecraft/client/particle/Particle.h"

class Level;

ExplodeParticle::ExplodeParticle(Level* level, double x, double y, double z,
                                 double xa, double ya, double za)
    : Particle(level, x, y, z, xa, ya, za) {
    xd = xa + (float)(Math::random() * 2 - 1) * 0.05f;
    yd = ya + (float)(Math::random() * 2 - 1) * 0.05f;
    zd = za + (float)(Math::random() * 2 - 1) * 0.05f;

    // rCol = gCol = bCol = random->nextFloat()*.3f+.7;

    unsigned int clr = Minecraft::GetInstance()->getColourTable()->getColor(
        eMinecraftColour_Particle_Explode);  // 0xFFFFFF
    double r = ((clr >> 16) & 0xFF) / 255.0f, g = ((clr >> 8) & 0xFF) / 255.0,
           b = (clr & 0xFF) / 255.0;

    float br = random->nextFloat() * 0.3f + 0.7f;
    rCol = r * br;
    gCol = g * br;
    bCol = b * br;

    size = random->nextFloat() * random->nextFloat() * 6 + 1;

    lifetime = (int)(16 / (random->nextFloat() * 0.8 + 0.2)) + 2;
    //        noPhysics = true;
}

void ExplodeParticle::render(Tesselator* t, float a, float xa, float ya,
                             float za, float xa2, float za2) {
    // 4J - don't render explosion particles that are less than 3 metres away,
    // to try and avoid large particles that are causing us problems with
    // photosensitivity testing
    float x = (float)(xo + (this->x - xo) * a - xOff);
    float y = (float)(yo + (this->y - yo) * a - yOff);
    float z = (float)(zo + (this->z - zo) * a - zOff);

    float distSq = (x * x + y * y + z * z);
    if (distSq < (3.0f * 3.0f)) return;

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

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

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

    setMiscTex(7 - age * 8 / lifetime);

    yd += 0.004;
    move(xd, yd, zd);
    xd *= 0.90f;
    yd *= 0.90f;
    zd *= 0.90f;

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