#include "EnderCrystalRenderer.h"

#include <cmath>
#include <memory>

#include "platform/renderer/renderer.h"
#include "minecraft/client/model/dragon/EnderCrystalModel.h"
#include "minecraft/client/model/geom/Model.h"
#include "minecraft/client/renderer/Textures.h"
#include "minecraft/client/resources/ResourceLocation.h"
#include "minecraft/world/entity/Entity.h"
#include "minecraft/world/entity/boss/enderdragon/EnderCrystal.h"

ResourceLocation EnderCrystalRenderer::ENDER_CRYSTAL_LOCATION =
    ResourceLocation(TN_MOB_ENDERDRAGON_ENDERCRYSTAL);

EnderCrystalRenderer::EnderCrystalRenderer() {
    currentModel = -1;
    this->shadowRadius = 0.5f;
}

void EnderCrystalRenderer::render(std::shared_ptr<Entity> _crystal, double x,
                                  double y, double z, float rot, float a) {
    // 4J - original version used generics and thus had an input parameter of
    // type EnderCrystal rather than shared_ptr<Entity>  we have here - do some
    // casting around instead
    std::shared_ptr<EnderCrystal> crystal =
        std::dynamic_pointer_cast<EnderCrystal>(_crystal);
    if (currentModel != EnderCrystalModel::MODEL_ID) {
        model = new EnderCrystalModel(0);
        currentModel = EnderCrystalModel::MODEL_ID;
    }

    float tt = crystal->time + a;
    glPushMatrix();
    glTranslatef((float)x, (float)y, (float)z);
    bindTexture(&ENDER_CRYSTAL_LOCATION);
    float hh = sin(tt * 0.2f) / 2 + 0.5f;
    hh = hh * hh + hh;
    model->render(crystal, 0, tt * 3, hh * 0.2f, 0, 0, 1 / 16.0f, true);

    glPopMatrix();
}

ResourceLocation* EnderCrystalRenderer::getTextureLocation(
    std::shared_ptr<Entity> mob) {
    return &ENDER_CRYSTAL_LOCATION;
}