#include "../../Platform/stdafx.h"
#include "../../../Minecraft.World/Headers/net.minecraft.world.level.h"
#include "../../../Minecraft.World/Headers/net.minecraft.world.level.material.h"
#include "../../../Minecraft.World/Headers/net.minecraft.world.level.tile.h"
#include "../../../Minecraft.World/Util/JavaMath.h"
#include "../../../Minecraft.World/Util/Mth.h"
#include "DripParticle.h"

DripParticle::DripParticle(Level* level, double x, double y, double z,
                           Material* material)
    : Particle(level, x, y, z, 0, 0, 0) {
    xd = yd = zd = 0;

    unsigned int clr;
    if (material == Material::water) {
        clr = Minecraft::GetInstance()->getColourTable()->getColor(
            eMinecraftColour_Particle_DripWater);
    } else {
        clr = Minecraft::GetInstance()->getColourTable()->getColor(
            eMinecraftColour_Particle_DripLavaStart);
    }

    rCol = ((clr >> 16) & 0xFF) / 255.0f;
    gCol = ((clr >> 8) & 0xFF) / 255.0;
    bCol = (clr & 0xFF) / 255.0;

    setMiscTex(16 * 7 + 1);
    this->setSize(0.01f, 0.01f);
    gravity = 0.06f;
    this->material = material;
    stuckTime = 40;

    lifetime = (int)(64 / (Math::random() * 0.8 + 0.2));
    xd = yd = zd = 0;
}

int DripParticle::getLightColor(float a) {
    if (material == Material::water) return Particle::getLightColor(a);

    // 4J-JEV: Looks like this value was never used on the java version,
    // but it is on ours, so I've changed this to be bright manualy.
    int s = 0x0f;
    int b = 0x0f;
    return s << 20 | b << 4;  // MGH changed this to a proper value as PS3
                              // wasn't clamping the values.
}

float DripParticle::getBrightness(float a) {
    if (material == Material::water)
        return Particle::getBrightness(a);
    else
        return 1.0f;
}

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

    if (material == Material::water) {
        // rCol = 0.2f;
        // gCol = 0.3f;
        // bCol = 1.0f;

        unsigned int clr = Minecraft::GetInstance()->getColourTable()->getColor(
            eMinecraftColour_Particle_DripWater);
        rCol = ((clr >> 16) & 0xFF) / 255.0f;
        gCol = ((clr >> 8) & 0xFF) / 255.0;
        bCol = (clr & 0xFF) / 255.0;
    } else {
        // rCol = 1.0f;
        // gCol = 16.0f / (40 - stuckTime + 16);
        // bCol = 4.0f / (40 - stuckTime + 8);

        unsigned int cStart =
            Minecraft::GetInstance()->getColourTable()->getColor(
                eMinecraftColour_Particle_DripLavaStart);
        unsigned int cEnd =
            Minecraft::GetInstance()->getColourTable()->getColor(
                eMinecraftColour_Particle_DripLavaEnd);
        double rStart = ((cStart >> 16) & 0xFF) / 255.0f,
               gStart = ((cStart >> 8) & 0xFF) / 255.0,
               bStart = (cStart & 0xFF) / 255.0;
        double rEnd = ((cEnd >> 16) & 0xFF) / 255.0f,
               gEnd = ((cEnd >> 8) & 0xFF) / 255.0,
               bEnd = (cEnd & 0xFF) / 255.0;

        float variance = (40 - stuckTime);
        rCol = rStart - ((rStart - rEnd) / 40) * variance;
        gCol = gStart - ((gStart - gEnd) / 40) * variance;
        bCol = bStart - ((bStart - bEnd) / 40) * variance;
    }

    yd -= gravity;
    if (stuckTime-- > 0) {
        xd *= 0.02;
        yd *= 0.02;
        zd *= 0.02;
        setMiscTex(16 * 7 + 1);
    } else {
        setMiscTex(16 * 7 + 0);
    }
    move(xd, yd, zd);
    xd *= 0.98f;
    yd *= 0.98f;
    zd *= 0.98f;

    if (lifetime-- <= 0) remove();

    if (onGround) {
        if (material == Material::water) {
            remove();
            level->addParticle(eParticleType_splash, x, y, z, 0, 0, 0);
        } else {
            setMiscTex(16 * 7 + 2);
        }
        xd *= 0.7f;
        zd *= 0.7f;
    }

    Material* m =
        level->getMaterial(Mth::floor(x), Mth::floor(y), Mth::floor(z));
    if (m->isLiquid() || m->isSolid()) {
        double y0 = Mth::floor(y) + 1 -
                    LiquidTile::getHeight(level->getData(
                        Mth::floor(x), Mth::floor(y), Mth::floor(z)));
        if (y < y0) {
            remove();
        }
    }
}